BAM-hinge (LVPR)

Outer membrane protein assembly factor BamA

Escherichia coli

UniProt P0A940

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain A； UniProt 92–810	Not recorded	Outer membrane protein assembly factor BamB × 1 （P77774） Outer membrane protein assembly factor BamC × 1 （P0A903） Outer membrane protein assembly factor BamD × 1 （P0AC04） Outer membrane protein assembly factor BamE × 1 （P0A938）	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 4.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 9H84	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
2QCZ Structure of N-terminal domain of E. Coli YaeT Deposited 2007-06-20	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–351（331 aa） Fragment：residues 21-351	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.8；295 K；10% PEG 10K, 100mM sodium acetate, 100 mM magnesium formate, 10%glycerol, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.70 Å R-free 0.329
2QCZ Structure of N-terminal domain of E. Coli YaeT Deposited 2007-06-20	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 21–351（331 aa） Fragment：residues 21-351	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.8；295 K；10% PEG 10K, 100mM sodium acetate, 100 mM magnesium formate, 10%glycerol, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.70 Å R-free 0.329
2QDF Structure of N-terminal domain of E. Coli YaeT Deposited 2007-06-20	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–351（331 aa） Fragment：residues 21-351	Not recorded	MG MAGNESIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 4.8；295 K；10% PEG 10K, 100mM sodium acetate, 100 mM magnesium formate, 10%glycerol, pH 4.8, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 2.20 Å R-free 0.286
2V9H Solution Structure of an Escherichia coli YaeT tandem POTRA domain Deposited 2007-08-23	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–174（154 aa） Fragment：POTRA DOMAINS 1 AND 2, RESIDUES 21-174	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.5；303 K；Ionic strength (raw mmCIF value) 86；Pressure 1.0 NMR sample composition 50 MM MES, 50 MM NACL	Resolution not provided
3EFC Crystal Structure of YaeT periplasmic domain Deposited 2008-09-08	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–410（390 aa） Fragment：periplasmic domain (UNP residues 21-410)	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；289.15 K；1.3-1.6M (NH4)2SO4, 3-6% polyethylene glycol 400, 10% Dioxane, 0.1M MES pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 289.15K	Resolution 3.30 Å R-free 0.295
4C4V Structure of the outer membrane protein insertase BamA with one POTRA domain. Deposited 2013-09-09	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 347–810（464 aa） Fragment：BAMA TRUNCATED BY 4 POTRA DOMAINS, RESIDUES 347-808	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.5	Resolution 3.00 Å R-free 0.292
4C4V Structure of the outer membrane protein insertase BamA with one POTRA domain. Deposited 2013-09-09	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 344–810（467 aa） Fragment：BAMA TRUNCATED BY 4 POTRA DOMAINS, RESIDUES 344-808	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；pH 7.5	Resolution 3.00 Å R-free 0.292
4N75 Structural Basis of BamA-mediate Outer Membrane Protein Biogenesis Deposited 2013-10-14	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 427–810（384 aa） Fragment：barrel domain, UNP residues 427-810	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；289 K；0.1M MES PH 6.0, 6% Tacsimate, 25% PEG 4000, 0.6% C8E4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.60 Å R-free 0.253
4N75 Structural Basis of BamA-mediate Outer Membrane Protein Biogenesis Deposited 2013-10-14	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain B 427–810（384 aa） Fragment：barrel domain, UNP residues 427-810	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6；289 K；0.1M MES PH 6.0, 6% Tacsimate, 25% PEG 4000, 0.6% C8E4, VAPOR DIFFUSION, HANGING DROP, temperature 289K	Resolution 2.60 Å R-free 0.253
4PK1 Structure of BamB fused to a BamA POTRA domain fragment Deposited 2014-05-13	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 175–424（250 aa） Fragment：UNP P0A940 residues 175-424,UNP P77774 residues 21-392	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；The BamA-BamB chimera protein was crystallized at 16 degC by sitting drop vapor diffusion method. Initial crystallizing conditions were refined in a hanging drop in the following solution: 1.4M Ammonium sulfate, 9% 2-propanol, and 0.1M Sodium acetate pH 5.5. We used 1.5 uL of the 20mg/ml protein mixed with 1.5 uL mother liquor in a reservoir filled with 500 uL precipitant solution	Resolution 3.10 Å R-free 0.281
4XGA Crystal structure of BamB and BamA P3-5 complex from E.coli Deposited 2014-12-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 175–420（246 aa） Fragment：UNP RESIDUES 175-420	Not recorded	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；1% w/v Tryptone, 20% w/v Polyethylene glycol 3350, 0.05M HEPES sodium pH 7.0	Resolution 2.15 Å R-free 0.231
5AYW Structure of a membrane complex Deposited 2015-09-14	Different construct Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 22–810（789 aa） Fragment：UNP residues 22-810	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；289 K；Tris-HCl, NaCl, PEG 400	Resolution 3.56 Å R-free 0.314
5D0O BamABCDE complex, outer membrane beta barrel assembly machinery entire complex Deposited 2015-08-03	Different construct Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M HEPES, pH7.5, 30% PEG600, CYMAL-4	Resolution 2.90 Å R-free 0.304
5D0Q BamACDE complex, outer membrane beta-barrel assembly machinery (BAM) complex Deposited 2015-08-03	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 2–810（809 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；297 K；0.1 M Tris, pH8.0, 0.1 M MgCl2, 24% PEG500 MME.	Resolution 3.50 Å R-free 0.340
5D0Q BamACDE complex, outer membrane beta-barrel assembly machinery (BAM) complex Deposited 2015-08-03	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain F 2–810（809 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；297 K；0.1 M Tris, pH8.0, 0.1 M MgCl2, 24% PEG500 MME.	Resolution 3.50 Å R-free 0.340
5EKQ The structure of the BamACDE subcomplex from E. coli Deposited 2015-11-04	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain A 21–810（790 aa） Fragment：UNP residues 21-810	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；294 K；100 mM Tris-HCl, pH 8.5, 200 mM MgCl2, 10 mM MnCl2, and 8% PEG 4000	Resolution 3.39 Å R-free 0.281
6LYQ Structure of the BAM complex Deposited 2020-02-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；27-30% PEG 400, 100mM NaCl	Resolution 3.19 Å R-free 0.293
6LYR Structure of the BAM complex Deposited 2020-02-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；27-30% PEG 400, 100mM NaCl	Resolution 3.28 Å R-free 0.280
6LYS Structure of the BAM complex Deposited 2020-02-15	Different construct Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；27-30% PEG 400, 100mM NaCl	Resolution 3.05 Å R-free 0.284
6LYU Structure of the BAM complex Deposited 2020-02-15	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
6T1W Structure of E. coli BamA in complex with lipoprotein RcsF Deposited 2019-10-07	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.03 M sodium nitrate, 0.03 M sodium phosphate dibasic, 0.03 M ammonium sulfate, 0.10 M Tris-base [pH 8.5]; BICINE, 20 % (v/v) ethylene glycol; 10 % w/v PEG 8000	Resolution 3.79 Å R-free 0.317
6T1W Structure of E. coli BamA in complex with lipoprotein RcsF Deposited 2019-10-07	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain B 1–810（810 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293 K；0.03 M sodium nitrate, 0.03 M sodium phosphate dibasic, 0.03 M ammonium sulfate, 0.10 M Tris-base [pH 8.5]; BICINE, 20 % (v/v) ethylene glycol; 10 % w/v PEG 8000	Resolution 3.79 Å R-free 0.317
6V05 Cryo-EM structure of a substrate-engaged Bam complex Deposited 2019-11-18	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa） Chain F 1–21（21 aa） Chain F 22–171（150 aa） Chain F 422–429（8 aa） Chain F 440–810（371 aa）	Mutation：C690S, C700S, F804C Mutation：T467C,C690S,C700S,deletion of residues 172-421,deletion of residues 430-439 Mutation：T467C,C690S,C700S,deletion of residues 172-421,deletion of residues 430-439 Mutation：T467C,C690S,C700S,deletion of residues 172-421,deletion of residues 430-439 Mutation：T467C,C690S,C700S,deletion of residues 172-421,deletion of residues 430-439	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
7BNQ Lateral-closed conformation of the lid-locked BAM complex (BamA E435C S665C, BamBDCE) by cryoEM Deposited 2021-01-22	Different construct Different mutation/modification Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Mutation：E435C S665C C690S C700S	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
7NBX Lateral-open conformation of the lid-locked BAM complex (BamA E435C S665C, BamBDCE) by cryoEM Deposited 2021-01-28	Different construct Different mutation/modification Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Mutation：E435C S665C C690S C700S	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.80 Å
7NCS Lateral-open conformation of the lid-locked BAM complex (BamA E435C S665C, BamBDCE) bound by a bactericidal Fab fragment Deposited 2021-01-29	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 1–810（810 aa）	Mutation：E435C S665C C690S C700S	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.10 Å
7ND0 lateral-open conformation of the wild-type BAM complex (BamABCDE) bound to a bactericidal Fab fragment Deposited 2021-01-29	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.20 Å
7NRI Structure of the darobactin-bound E. coli BAM complex (BamABCDE) Deposited 2021-03-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 21–808（788 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；4microL of sample applied	Resolution 3.03 Å
7R1W E. coli BAM complex (BamABCDE) bound to dynobactin A Deposited 2022-02-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–809（809 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH 8.0, 150 mM NaCl, 0.05% (w/v) n-dodecyl Beta-D-maltopyranoside (DDM) cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
7RI4 Structure of a BAM/EspP(beta9-12) hybrid-barrel intermediate Deposited 2021-07-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
7RI5 Structure of a BAM in MSP1E3D1 nanodiscs at 4 Angstrom resolution Deposited 2021-07-19	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
7RI6 Structure of BAM in MSP1E3D1 nanodiscs prepared from E. coli outer membranes Deposited 2021-07-19	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.90 Å
7RI7 The structure of BAM in MSP1D1 nanodiscs Deposited 2021-07-19	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.00 Å
7RI8 The structure of BAM in MSP2N2 nanodiscs Deposited 2021-07-19	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.50 Å
7RI9 The structure of BAM in MSP1E3D1 at 6.9 Angstrom resolution Deposited 2021-07-19	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.90 Å
7RJ5 The structure of BAM in complex with EspP at 7 Angstrom resolution Deposited 2021-07-20	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.00 Å
7YE4 BAM-EspP complex structure with BamA-G431C and G781C/EspP-N1293C and A1043C mutations in nanodisc Deposited 2022-07-05	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Mutation：G431C,G781C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8；20 mM Tris-HCl, pH 7.8, 150 mM NaCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
7YE6 BAM-EspP complex structure with BamA-N427C/EspP-R1297C mutations in nanodisc Deposited 2022-07-05	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Mutation：N427C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8；20 mM Tris-HCl, pH 7.8, 150 mM NaCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8ADG Cryo-EM structure of Darobactin 22 bound BAM complex Deposited 2022-07-08	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.00 Å
8ADI Cryo-EM structure of Darobactin 9 bound BAM complex Deposited 2022-07-08	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.40 Å
8BNZ BAM-EspP complex structure with BamA-G431C/EspP-N1293C mutations in nanodisc Deposited 2022-11-14	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Mutation：G431C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
8BVQ E. coli BAM complex (BamABCDE) bound to darobactin B Deposited 2022-12-05	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 21–810（790 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
8PZ1 Wait Complex: Lateral open BAM bound Compact SurA Deposited 2023-07-26	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 21–810（790 aa）	Mutation：R76C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
8PZ2 Wait Complex: Lateral open BAM bound Extended SurA Deposited 2023-07-26	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 21–810（790 aa）	Mutation：R76C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
8PZU Wait Complex: BAM bound Darobactin-B and Compact SurA Deposited 2023-07-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 21–810（790 aa）	Mutation：R76C	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
8Q0G Release Complex: BAM bound EspP and Compact SurA Deposited 2023-07-28	Different construct Different mutation/modification Different oligomeric state	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 21–810（790 aa）	Mutation：S425C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.30 Å
8QN4 Structure of the BAM-EspP complex in an open EspP intermediate state Deposited 2023-09-25	Different construct Different mutation/modification Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Mutation：G431C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.36 Å
8QP5 Release Complex: BAM bound EspP (SurA released) Deposited 2023-09-29	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 21–810（790 aa）	Mutation：S425C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
8QPU Release Complex: BAM bound EspP and Extended SurA Deposited 2023-10-03	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 21–810（790 aa）	Mutation：S425C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.20 Å
8QPV Handover Complex: BAM bound OmpX and extended SurA Deposited 2023-10-03	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: heptameric	Chain A 21–810（790 aa）	Mutation：S425C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
8QPW Arrival Complex: Lateral open BAM bound extended SurA plus OmpX Deposited 2023-10-03	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 21–810（790 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.30 Å
9CNW CryoEM structure of the APO-BAM complex in DDM detergent Deposited 2024-07-15	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
9CNX CryoEM structure of BAM in complex with the PTB1 closed-state inhibitor (in DDM detergent) Deposited 2024-07-15	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Not recorded	ZN ZINC ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.55 Å
9CNY CryoEM structure of the APO-BAM complex in SMA nanodisc Deposited 2024-07-15	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
9CNZ Structure of BAM complexed with PTB2 ligand in detergent Deposited 2024-07-15	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
9CO0 CryoEM structure of BAM in complex with the PTB2 open-state inhibitor (in SMA nanodisc) Deposited 2024-07-15	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
9H85 BAM-hinge (GSGS) Deposited 2024-10-28	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 21–810（790 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
9H89 BAM-hinge (LVPR) suppressor (T434A) Deposited 2024-10-28	Different construct Different mutation/modification Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain A 21–810（790 aa）	Mutation：T434A	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
9HE1 Structure of the Xenorceptide A2-bound E. coli BAM complex (BamABCDE) Deposited 2024-11-13	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7；25 mM NaPi, 100 mM NaCl, pH 7.0 cryo-EM vitrification conditions Cryogen ETHANE；3.5uL sample, blot time 3sec, Blotforce 1, Blot total 1,	Resolution 3.00 Å
9HG5 BAM-SurA complex in the swing-in state with full length BamC resolved Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 21–810（790 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.82 Å
9HG6 BAM-SurA complex in the swing-in state Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 21–810（790 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.73 Å
9HG7 BAM-SurA complex in the swing-out state Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 21–810（790 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.83 Å
9HG8 BAM-SurA complex in the swing-out state with BamC resolved Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 21–810（790 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
9HG9 BAM-SurA-darobactin complex in the swing-in state Deposited 2024-11-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 21–810（790 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.88 Å
9HGA BAM-SurA-darobactin complex in the swing-out state Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 21–810（790 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.62 Å
9MGE beta-barrel assembly machine from Escherichia coli in an early state of substrate assembly Deposited 2024-12-10	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 24–810（787 aa） Chain F 22–171（150 aa） Chain F 422–810（389 aa）	Mutation：D512C Mutation：Y637C Mutation：Y637C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
9MGF beta-barrel assembly machine from Escherichia coli in a middle state of substrate assembly Deposited 2024-12-10	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: heptameric	Chain A 21–810（790 aa） Chain F 22–171（150 aa） Chain F 422–810（389 aa）	Mutation：D512C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
9MGG beta-barrel assembly machine from Escherichia coli in a late state of substrate assembly Deposited 2024-12-10	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain A 24–810（787 aa） Chain F 22–171（150 aa） Chain F 422–810（389 aa）	Mutation：D512C Mutation：I458C Mutation：I458C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
9P1U beta-barrel assembly machine from Escherichia coli in an late state of LptD assembly Deposited 2025-06-10	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain A 1–810（810 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å

64 other PDB entries and 69 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	BAMA_ECOLI
Isoform	—
PDB entities	1
Chains and sequence ranges	Author chain A； PDBConstruct 1–723； UniProt 92–810

Outer membrane protein assembly factor BamB

Escherichia coli

UniProt P77774

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain B； UniProt 22–392	Not recorded	Outer membrane protein assembly factor BamA × 1 （P0A940） Outer membrane protein assembly factor BamC × 1 （P0A903） Outer membrane protein assembly factor BamD × 1 （P0AC04） Outer membrane protein assembly factor BamE × 1 （P0A938）	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 4.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 9H84	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
2YH3 The structure of BamB from E. coli Deposited 2011-04-27	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 22–392（371 aa） Fragment：RESIDUES 22-392	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 4.6；3.5M NH4CL, 0.1M NA-ACETATE PH 4.6	Resolution 2.60 Å R-free 0.270
2YMS Structure and assembly of a b-propeller with nine blades and a new conserved repetitive sequence motif Deposited 2012-10-10	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 4 PDB declaration: tetrameric	Chain A 62–191（130 aa） Fragment：FRAGMENTS OF BAMB FROM E. COLI, RESIDUES 62-191 Chain B 113–186（74 aa） Fragment：FRAGMENTS OF BAMB FROM E. COLI, RESIDUES 113-186 Chain C 248–322（75 aa） Fragment：FRAGMENTS OF BAMB FROM E. COLI, RESIDUES 248-322 Chain D 247–320（74 aa） Fragment：FRAGMENTS OF BAMB FROM E. COLI, RESIDUES 249-320	Not recorded	NA SODIUM ION × 1	X-RAY DIFFRACTION mmCIF provides none of the parsed conditions	Resolution 2.10 Å R-free 0.239
3P1L Crystal structure of Escherichia coli BamB, a lipoprotein component of the beta-barrel assembly machinery complex, native crystals. Deposited 2010-09-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–392（372 aa）	Not recorded	NA SODIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 4；295 K；0.1M Citric acid, 2M NaCl, pH 4.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 2.60 Å R-free 0.233
3PRW Crystal structure of the lipoprotein BamB Deposited 2010-11-30	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–392（372 aa） Fragment：UNP Residues 21-392	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.9；292 K；100 mM Tris, pH 6.9, 20% PEG 3350, 200 mM ammonium citrate, VAPOR DIFFUSION, SITTING DROP, temperature 292K	Resolution 1.80 Å R-free 0.204
3Q7M The crystal structure of BamB from the BAM complex in spacegroup I222 Deposited 2011-01-05	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–392（372 aa） Fragment：UNP residues 21-392	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；0.18 M triammonium citrate, 20% PEG3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 1.65 Å R-free 0.193
3Q7N The crystal structure of BamB from the BAM complex in spacegroup P212121 Deposited 2011-01-05	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–392（372 aa） Fragment：UNP residues 21-392	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；298 K；0.18 M triammonium citrate, 20% PEG3350, pH 7.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K	Resolution 1.77 Å R-free 0.232
3Q7O The crystal structure of BamB from the BAM complex in spacegroup P213 Deposited 2011-01-05	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–392（372 aa） Fragment：UNP residues 21-392	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions pH 7.5；298 K；1.0 M lithium sulfate, 2% PEG8000, pH 7.5, temperature 298K	Resolution 2.09 Å R-free 0.263
4PK1 Structure of BamB fused to a BamA POTRA domain fragment Deposited 2014-05-13	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Monomer；Protein × 1 PDB declaration: monomeric	Chain A 21–392（372 aa） Fragment：UNP P0A940 residues 175-424,UNP P77774 residues 21-392	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；The BamA-BamB chimera protein was crystallized at 16 degC by sitting drop vapor diffusion method. Initial crystallizing conditions were refined in a hanging drop in the following solution: 1.4M Ammonium sulfate, 9% 2-propanol, and 0.1M Sodium acetate pH 5.5. We used 1.5 uL of the 20mg/ml protein mixed with 1.5 uL mother liquor in a reservoir filled with 500 uL precipitant solution	Resolution 3.10 Å R-free 0.281
4XGA Crystal structure of BamB and BamA P3-5 complex from E.coli Deposited 2014-12-30	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain A 20–392（373 aa）	Not recorded	CA CALCIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7；293 K；1% w/v Tryptone, 20% w/v Polyethylene glycol 3350, 0.05M HEPES sodium pH 7.0	Resolution 2.15 Å R-free 0.231
5AYW Structure of a membrane complex Deposited 2015-09-14	Different construct Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 20–392（373 aa） Fragment：UNP residues 20-392	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；289 K；Tris-HCl, NaCl, PEG 400	Resolution 3.56 Å R-free 0.314
5D0O BamABCDE complex, outer membrane beta barrel assembly machinery entire complex Deposited 2015-08-03	Different construct Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M HEPES, pH7.5, 30% PEG600, CYMAL-4	Resolution 2.90 Å R-free 0.304
5LJO E. coli BAM complex (BamABCDE) by cryoEM Deposited 2016-07-19	Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 22–392（371 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；Double blot. 3 ul sampel applied and blotted by hand, then additional 3 ul sample applied, blotted, and plunge frozen	Resolution 4.90 Å
6LYQ Structure of the BAM complex Deposited 2020-02-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；27-30% PEG 400, 100mM NaCl	Resolution 3.19 Å R-free 0.293
6LYR Structure of the BAM complex Deposited 2020-02-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；27-30% PEG 400, 100mM NaCl	Resolution 3.28 Å R-free 0.280
6LYS Structure of the BAM complex Deposited 2020-02-15	Different construct Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；27-30% PEG 400, 100mM NaCl	Resolution 3.05 Å R-free 0.284
6LYU Structure of the BAM complex Deposited 2020-02-15	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
6V05 Cryo-EM structure of a substrate-engaged Bam complex Deposited 2019-11-18	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
7BNQ Lateral-closed conformation of the lid-locked BAM complex (BamA E435C S665C, BamBDCE) by cryoEM Deposited 2021-01-22	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
7NBX Lateral-open conformation of the lid-locked BAM complex (BamA E435C S665C, BamBDCE) by cryoEM Deposited 2021-01-28	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.80 Å
7NCS Lateral-open conformation of the lid-locked BAM complex (BamA E435C S665C, BamBDCE) bound by a bactericidal Fab fragment Deposited 2021-01-29	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.10 Å
7ND0 lateral-open conformation of the wild-type BAM complex (BamABCDE) bound to a bactericidal Fab fragment Deposited 2021-01-29	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.20 Å
7NRI Structure of the darobactin-bound E. coli BAM complex (BamABCDE) Deposited 2021-03-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；4microL of sample applied	Resolution 3.03 Å
7R1W E. coli BAM complex (BamABCDE) bound to dynobactin A Deposited 2022-02-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH 8.0, 150 mM NaCl, 0.05% (w/v) n-dodecyl Beta-D-maltopyranoside (DDM) cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
7TTC BamABCDE bound to substrate EspP Deposited 2022-02-01	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Not recorded	K33 2,3-dideoxy-6-O-[2-deoxy-4-O-phosphono-2-(tetradecanoylamino)-alpha-L-gulopyranosyl]-1-O-phosphono-beta-D-threo-hexopyranose × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
7YE4 BAM-EspP complex structure with BamA-G431C and G781C/EspP-N1293C and A1043C mutations in nanodisc Deposited 2022-07-05	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8；20 mM Tris-HCl, pH 7.8, 150 mM NaCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
7YE6 BAM-EspP complex structure with BamA-N427C/EspP-R1297C mutations in nanodisc Deposited 2022-07-05	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8；20 mM Tris-HCl, pH 7.8, 150 mM NaCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8ADG Cryo-EM structure of Darobactin 22 bound BAM complex Deposited 2022-07-08	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.00 Å
8ADI Cryo-EM structure of Darobactin 9 bound BAM complex Deposited 2022-07-08	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.40 Å
8BNZ BAM-EspP complex structure with BamA-G431C/EspP-N1293C mutations in nanodisc Deposited 2022-11-14	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
8BO2 BAM-EspP complex structure with BamA-S425C/EspP-S1299C mutations in nanodisc Deposited 2022-11-14	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
8BVQ E. coli BAM complex (BamABCDE) bound to darobactin B Deposited 2022-12-05	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
8BWC E. coli BAM complex (BamABCDE) wild-type Deposited 2022-12-06	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
8PZ1 Wait Complex: Lateral open BAM bound Compact SurA Deposited 2023-07-26	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
8PZ2 Wait Complex: Lateral open BAM bound Extended SurA Deposited 2023-07-26	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
8PZU Wait Complex: BAM bound Darobactin-B and Compact SurA Deposited 2023-07-27	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 20–392（373 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
8PZV Wait Complex: BAM bound Darobactin-B and Extended SurA Deposited 2023-07-27	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 20–392（373 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
8Q0G Release Complex: BAM bound EspP and Compact SurA Deposited 2023-07-28	Different construct Different oligomeric state	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.30 Å
8QN4 Structure of the BAM-EspP complex in an open EspP intermediate state Deposited 2023-09-25	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.36 Å
8QP5 Release Complex: BAM bound EspP (SurA released) Deposited 2023-09-29	Different construct Different mutation/modification Different oligomeric state Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Mutation：S425C	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
8QPU Release Complex: BAM bound EspP and Extended SurA Deposited 2023-10-03	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.20 Å
8QPV Handover Complex: BAM bound OmpX and extended SurA Deposited 2023-10-03	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: heptameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
8QPW Arrival Complex: Lateral open BAM bound extended SurA plus OmpX Deposited 2023-10-03	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.30 Å
8SPR The cryo-EM structure of the EcBAM/EspP(beta1-12) complex Deposited 2023-05-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 21–392（372 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
8SQA The cryo-EM structure of the EcBAM/EspP(beta8-12) complex Deposited 2023-05-04	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 21–392（372 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
8SQB The cryo-EM structure of the EcBAM/EspP(beta7-12) complex Deposited 2023-05-04	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 21–392（372 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.80 Å
9CNW CryoEM structure of the APO-BAM complex in DDM detergent Deposited 2024-07-15	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.60 Å
9CNX CryoEM structure of BAM in complex with the PTB1 closed-state inhibitor (in DDM detergent) Deposited 2024-07-15	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	ZN ZINC ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.55 Å
9CNY CryoEM structure of the APO-BAM complex in SMA nanodisc Deposited 2024-07-15	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
9CNZ Structure of BAM complexed with PTB2 ligand in detergent Deposited 2024-07-15	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
9CO0 CryoEM structure of BAM in complex with the PTB2 open-state inhibitor (in SMA nanodisc) Deposited 2024-07-15	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
9H85 BAM-hinge (GSGS) Deposited 2024-10-28	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
9H89 BAM-hinge (LVPR) suppressor (T434A) Deposited 2024-10-28	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
9HE1 Structure of the Xenorceptide A2-bound E. coli BAM complex (BamABCDE) Deposited 2024-11-13	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7；25 mM NaPi, 100 mM NaCl, pH 7.0 cryo-EM vitrification conditions Cryogen ETHANE；3.5uL sample, blot time 3sec, Blotforce 1, Blot total 1,	Resolution 3.00 Å
9HG5 BAM-SurA complex in the swing-in state with full length BamC resolved Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.82 Å
9HG6 BAM-SurA complex in the swing-in state Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.73 Å
9HG7 BAM-SurA complex in the swing-out state Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.83 Å
9HG8 BAM-SurA complex in the swing-out state with BamC resolved Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
9HG9 BAM-SurA-darobactin complex in the swing-in state Deposited 2024-11-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 20–392（373 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.88 Å
9HGA BAM-SurA-darobactin complex in the swing-out state Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.62 Å
9MGE beta-barrel assembly machine from Escherichia coli in an early state of substrate assembly Deposited 2024-12-10	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
9MGF beta-barrel assembly machine from Escherichia coli in a middle state of substrate assembly Deposited 2024-12-10	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: heptameric	Chain B 20–392（373 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
9MGG beta-barrel assembly machine from Escherichia coli in a late state of substrate assembly Deposited 2024-12-10	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
9P1U beta-barrel assembly machine from Escherichia coli in an late state of LptD assembly Deposited 2025-06-10	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain B 1–392（392 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å

63 other PDB entries and 63 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	BAMB_ECOLI
Isoform	—
PDB entities	2
Chains and sequence ranges	Author chain B； PDBConstruct 1–371； UniProt 22–392

Outer membrane protein assembly factor BamC

Escherichia coli

UniProt P0A903

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain C； UniProt 25–91	Not recorded	Outer membrane protein assembly factor BamA × 1 （P0A940） Outer membrane protein assembly factor BamB × 1 （P77774） Outer membrane protein assembly factor BamD × 1 （P0AC04） Outer membrane protein assembly factor BamE × 1 （P0A938）	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 4.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 9H84	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
2LAE NMR solution structure of the C-terminal domain of the E. coli lipoprotein BamC Deposited 2011-03-11	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 101–344（244 aa） Fragment：sequence database residues 229-344	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.6；303 K；Ionic strength (raw mmCIF value) 0.2；Pressure ambient NMR sample composition 50 mM sodium phosphate, 50 mM sodium chloride, 0.1 mM EDTA, 0.02 % sodium azide, 1 X HALT, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition 50 mM sodium phosphate, 50 mM sodium chloride, 0.1 mM EDTA, 0.02 % sodium azide, 1 X HALT, 100% D2O | 100% D2O NMR sample composition 50 mM sodium phosphate, 50 mM sodium chloride, 0.1 mM EDTA, 0.02 % sodium azide, 1 X HALT, 21 mg/ml Pf1 phage, 90% H2O/10% D2O | 90% H2O/10% D2O	Resolution not provided
2LAF NMR solution structure of the N-terminal domain of the E. coli lipoprotein BamC Deposited 2011-03-11	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 101–344（244 aa） Fragment：sequence database residues 101-212	Not recorded	No recorded non-water small molecule	SOLUTION NMR NMR measurement conditions pH 6.6；303 K；Ionic strength (raw mmCIF value) 0.2；Pressure ambient NMR sample composition 50 mM sodium phosphate, 50 mM sodium chloride, 0.1 mM EDTA, 0.02 % sodium azide, 1 X HALT, 90% H2O/10% D2O | 90% H2O/10% D2O NMR sample composition 50 mM sodium phosphate, 50 mM sodium chloride, 0.1 mM EDTA, 0.02 % sodium azide, 1 X HALT, 100% D2O | 100% D2O NMR sample composition 50 mM sodium phosphate, 50 mM sodium chloride, 0.1 mM EDTA, 0.02 % sodium azide, 1 X HALT, 21 mg/ml Pf1 phage, 90% H2O/10% D2O | 90% H2O/10% D2O	Resolution not provided
2YH6 Structure of the N-terminal domain of BamC from E. coli Deposited 2011-04-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain C 101–212（112 aa） Fragment：N-TERMINAL DOMAIN, RESIDUES 101-212 Chain D 101–212（112 aa） Fragment：N-TERMINAL DOMAIN, RESIDUES 101-212	Not recorded	SO4 SULFATE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 3.5；2 M (NH4)2SO4, 0.1 M CITRIC ACID PH 3.5	Resolution 1.55 Å R-free 0.234
2YH6 Structure of the N-terminal domain of BamC from E. coli Deposited 2011-04-27	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric	Chain A 101–212（112 aa） Fragment：N-TERMINAL DOMAIN, RESIDUES 101-212 Chain B 101–212（112 aa） Fragment：N-TERMINAL DOMAIN, RESIDUES 101-212	Not recorded	SO4 SULFATE ION × 4	X-RAY DIFFRACTION X-ray crystallization conditions pH 3.5；2 M (NH4)2SO4, 0.1 M CITRIC ACID PH 3.5	Resolution 1.55 Å R-free 0.234
3SNS Crystal structure of the C-terminal domain of Escherichia coli lipoprotein BamC Deposited 2011-06-29	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric	Chain A 224–343（120 aa） Fragment：C-terminal domain (UNP residues 224-343)	Not recorded	CL CHLORIDE ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 6.5；295 K；0.1 M sodium chloride, 0.1 M HEPES, pH 6.5, 1.6 M ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 295K	Resolution 1.50 Å R-free 0.183
3TGO Crystal structure of the E. coli BamCD complex Deposited 2011-08-17	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain C 26–344（319 aa） Fragment：UNP residues 26-344	Not recorded	K POTASSIUM ION × 1 GOL GLYCEROL × 1 PO4 PHOSPHATE ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 9.2；295 K；0.2 M K2HPO4 and 20% PEG3350, pH 9.2, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 2.90 Å R-free 0.243
3TGO Crystal structure of the E. coli BamCD complex Deposited 2011-08-17	Different construct Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric	Chain D 26–344（319 aa） Fragment：UNP residues 26-344	Not recorded	GOL GLYCEROL × 3 CL CHLORIDE ION × 1 NA SODIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 9.2；295 K；0.2 M K2HPO4 and 20% PEG3350, pH 9.2, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 2.90 Å R-free 0.243
3TGO Crystal structure of the E. coli BamCD complex Deposited 2011-08-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 26–344（319 aa） Fragment：UNP residues 26-344 Chain D 26–344（319 aa） Fragment：UNP residues 26-344	Not recorded	K POTASSIUM ION × 1 GOL GLYCEROL × 4 CL CHLORIDE ION × 1 PO4 PHOSPHATE ION × 1 NA SODIUM ION × 1	X-RAY DIFFRACTION X-ray crystallization conditions pH 9.2；295 K；0.2 M K2HPO4 and 20% PEG3350, pH 9.2, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 2.90 Å R-free 0.243
3TGO Crystal structure of the E. coli BamCD complex Deposited 2011-08-17	Different construct Different mutation/modification Different oligomeric state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 4 Protein heterocomplex Heteromer；Protein × 8 PDB declaration: octameric	Chain C 26–344（319 aa） Fragment：UNP residues 26-344 Chain D 26–344（319 aa） Fragment：UNP residues 26-344	Not recorded	K POTASSIUM ION × 2 GOL GLYCEROL × 8 CL CHLORIDE ION × 2 PO4 PHOSPHATE ION × 2 NA SODIUM ION × 2	X-RAY DIFFRACTION X-ray crystallization conditions pH 9.2；295 K；0.2 M K2HPO4 and 20% PEG3350, pH 9.2, VAPOR DIFFUSION, SITTING DROP, temperature 295K	Resolution 2.90 Å R-free 0.243
5AYW Structure of a membrane complex Deposited 2015-09-14	Different construct Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 33–88（56 aa） Fragment：UNP residues 33-88	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION；289 K；Tris-HCl, NaCl, PEG 400	Resolution 3.56 Å R-free 0.314
5D0O BamABCDE complex, outer membrane beta barrel assembly machinery entire complex Deposited 2015-08-03	Different construct Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 7.5；293 K；0.1 M HEPES, pH7.5, 30% PEG600, CYMAL-4	Resolution 2.90 Å R-free 0.304
5D0Q BamACDE complex, outer membrane beta-barrel assembly machinery (BAM) complex Deposited 2015-08-03	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 2–344（343 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；297 K；0.1 M Tris, pH8.0, 0.1 M MgCl2, 24% PEG500 MME.	Resolution 3.50 Å R-free 0.340
5D0Q BamACDE complex, outer membrane beta-barrel assembly machinery (BAM) complex Deposited 2015-08-03	Different construct Different mutation/modification Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain G 2–344（343 aa）	Non-standard monomer：Yes (specific site not provided by mmCIF)	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；297 K；0.1 M Tris, pH8.0, 0.1 M MgCl2, 24% PEG500 MME.	Resolution 3.50 Å R-free 0.340
5EKQ The structure of the BamACDE subcomplex from E. coli Deposited 2015-11-04	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric	Chain C 25–344（320 aa） Fragment：UNP residues 25-344	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；294 K；100 mM Tris-HCl, pH 8.5, 200 mM MgCl2, 10 mM MnCl2, and 8% PEG 4000	Resolution 3.39 Å R-free 0.281
5LJO E. coli BAM complex (BamABCDE) by cryoEM Deposited 2016-07-19	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 25–189（165 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；Double blot. 3 ul sampel applied and blotted by hand, then additional 3 ul sample applied, blotted, and plunge frozen	Resolution 4.90 Å
6LYQ Structure of the BAM complex Deposited 2020-02-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；27-30% PEG 400, 100mM NaCl	Resolution 3.19 Å R-free 0.293
6LYR Structure of the BAM complex Deposited 2020-02-15	Different construct Different oligomeric state Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；27-30% PEG 400, 100mM NaCl	Resolution 3.28 Å R-free 0.280
6LYS Structure of the BAM complex Deposited 2020-02-15	Different construct Different experimental method Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	X-RAY DIFFRACTION X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；27-30% PEG 400, 100mM NaCl	Resolution 3.05 Å R-free 0.284
6LYU Structure of the BAM complex Deposited 2020-02-15	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
7BNQ Lateral-closed conformation of the lid-locked BAM complex (BamA E435C S665C, BamBDCE) by cryoEM Deposited 2021-01-22	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
7NBX Lateral-open conformation of the lid-locked BAM complex (BamA E435C S665C, BamBDCE) by cryoEM Deposited 2021-01-28	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.80 Å
7NCS Lateral-open conformation of the lid-locked BAM complex (BamA E435C S665C, BamBDCE) bound by a bactericidal Fab fragment Deposited 2021-01-29	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 7.10 Å
7ND0 lateral-open conformation of the wild-type BAM complex (BamABCDE) bound to a bactericidal Fab fragment Deposited 2021-01-29	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.20 Å
7NRI Structure of the darobactin-bound E. coli BAM complex (BamABCDE) Deposited 2021-03-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；4microL of sample applied	Resolution 3.03 Å
7R1W E. coli BAM complex (BamABCDE) bound to dynobactin A Deposited 2022-02-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20 mM Tris pH 8.0, 150 mM NaCl, 0.05% (w/v) n-dodecyl Beta-D-maltopyranoside (DDM) cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
7YE4 BAM-EspP complex structure with BamA-G431C and G781C/EspP-N1293C and A1043C mutations in nanodisc Deposited 2022-07-05	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8；20 mM Tris-HCl, pH 7.8, 150 mM NaCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
7YE6 BAM-EspP complex structure with BamA-N427C/EspP-R1297C mutations in nanodisc Deposited 2022-07-05	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8；20 mM Tris-HCl, pH 7.8, 150 mM NaCl cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.40 Å
8ADG Cryo-EM structure of Darobactin 22 bound BAM complex Deposited 2022-07-08	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.00 Å
8ADI Cryo-EM structure of Darobactin 9 bound BAM complex Deposited 2022-07-08	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.5 cryo-EM vitrification conditions Cryogen ETHANE-PROPANE	Resolution 3.40 Å
8BNZ BAM-EspP complex structure with BamA-G431C/EspP-N1293C mutations in nanodisc Deposited 2022-11-14	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
8BO2 BAM-EspP complex structure with BamA-S425C/EspP-S1299C mutations in nanodisc Deposited 2022-11-14	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.10 Å
8BVQ E. coli BAM complex (BamABCDE) bound to darobactin B Deposited 2022-12-05	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
8PZ1 Wait Complex: Lateral open BAM bound Compact SurA Deposited 2023-07-26	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å
8PZ2 Wait Complex: Lateral open BAM bound Extended SurA Deposited 2023-07-26	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
8PZU Wait Complex: BAM bound Darobactin-B and Compact SurA Deposited 2023-07-27	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.50 Å
8PZV Wait Complex: BAM bound Darobactin-B and Extended SurA Deposited 2023-07-27	Different construct Different oligomeric state Different ligand/ion Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
8Q0G Release Complex: BAM bound EspP and Compact SurA Deposited 2023-07-28	Different construct Different oligomeric state	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.30 Å
8QN4 Structure of the BAM-EspP complex in an open EspP intermediate state Deposited 2023-09-25	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.36 Å
8QP5 Release Complex: BAM bound EspP (SurA released) Deposited 2023-09-29	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.40 Å
8QPU Release Complex: BAM bound EspP and Extended SurA Deposited 2023-10-03	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.20 Å
8QPV Handover Complex: BAM bound OmpX and extended SurA Deposited 2023-10-03	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Insufficient information Heteromer；Protein × 6 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
8QPW Arrival Complex: Lateral open BAM bound extended SurA plus OmpX Deposited 2023-10-03	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 5.30 Å
8SPR The cryo-EM structure of the EcBAM/EspP(beta1-12) complex Deposited 2023-05-03	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 26–344（319 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7.4 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
9H85 BAM-hinge (GSGS) Deposited 2024-10-28	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.20 Å
9H89 BAM-hinge (LVPR) suppressor (T434A) Deposited 2024-10-28	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.00 Å
9HE1 Structure of the Xenorceptide A2-bound E. coli BAM complex (BamABCDE) Deposited 2024-11-13	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 7；25 mM NaPi, 100 mM NaCl, pH 7.0 cryo-EM vitrification conditions Cryogen ETHANE；3.5uL sample, blot time 3sec, Blotforce 1, Blot total 1,	Resolution 3.00 Å
9HG5 BAM-SurA complex in the swing-in state with full length BamC resolved Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.82 Å
9HG6 BAM-SurA complex in the swing-in state Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.73 Å
9HG7 BAM-SurA complex in the swing-out state Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.83 Å
9HG8 BAM-SurA complex in the swing-out state with BamC resolved Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.90 Å
9HG9 BAM-SurA-darobactin complex in the swing-in state Deposited 2024-11-19	Different construct Different oligomeric state Different ligand/ion Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	MG MAGNESIUM ION × 1	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 2.88 Å
9HGA BAM-SurA-darobactin complex in the swing-out state Deposited 2024-11-19	Different construct Different oligomeric state Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8；20mM Tris-HCl, 150mM NaCl, 0.05% DDM cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.62 Å
9MGE beta-barrel assembly machine from Escherichia coli in an early state of substrate assembly Deposited 2024-12-10	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.60 Å
9MGF beta-barrel assembly machine from Escherichia coli in a middle state of substrate assembly Deposited 2024-12-10	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein–RNA Heteromer；Protein × 6 PDB declaration: heptameric	Chain C 25–344（320 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.30 Å
9MGG beta-barrel assembly machine from Escherichia coli in a late state of substrate assembly Deposited 2024-12-10	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 3.90 Å
9P1U beta-barrel assembly machine from Escherichia coli in an late state of LptD assembly Deposited 2025-06-10	Different construct Different oligomeric state Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric	Chain C 1–344（344 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 4.10 Å

51 other PDB entries and 56 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	BAMC_ECOLI
Isoform	—
PDB entities	3
Chains and sequence ranges	Author chain C； PDBConstruct 1–67； UniProt 25–91

Outer membrane protein assembly factor BamD

Escherichia coli

UniProt P0AC04

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain D； UniProt 26–243	Not recorded	Outer membrane protein assembly factor BamA × 1 （P0A940） Outer membrane protein assembly factor BamB × 1 （P77774） Outer membrane protein assembly factor BamC × 1 （P0A903） Outer membrane protein assembly factor BamE × 1 （P0A938）	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 4.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 9H84	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
5LJO E. coli BAM complex (BamABCDE) by cryoEM Deposited 2016-07-19	Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；Double blot. 3 ul sampel applied and blotted by hand, then additional 3 ul sample applied, blotted, and plunge frozen	Resolution 4.90 Å
6SMX BamABCDE in MSP1D1 nanodisc Deposited 2019-08-23	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.65 Å
6SN0 BamABCDE in MSP1D1 nanodisc ensemble 0-1 Deposited 2019-08-23	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 10.80 Å
6SN2 BamABCDE in MSP1D1 nanodisc ensemble 0-2 Deposited 2019-08-23	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.50 Å
6SN3 BamABCDE in MSP1D1 nanodisc ensemble 0-3 Deposited 2019-08-23	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.40 Å
6SN4 BamABCDE in MSP1D1 nanodisc ensemble 0-4 Deposited 2019-08-23	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.50 Å
6SN5 BamABCDE in MSP1D1 nanodisc ensemble 0-5 Deposited 2019-08-23	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.80 Å
6SN7 BamABCDE in MSP1D1 nanodisc ensemble 0-6 Deposited 2019-08-23	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.90 Å
6SN8 BamABCDE in MSP1D1 nanodisc ensemble 0-7 Deposited 2019-08-23	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.40 Å
6SN9 BamABCDE in MSP1D1 nanodisc ensemble 0-8 Deposited 2019-08-23	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.80 Å
6SO7 BamABCDE in MSP1D1 nanodisc ensemble 1-2 Deposited 2019-08-29	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 10.50 Å
6SO8 BamABCDE in MSP1D1 nanodisc ensemble 1-3 Deposited 2019-08-29	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.80 Å
6SOA BamABCDE in MSP1D1 nanodisc ensemble 0-9 Deposited 2019-08-29	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 10.80 Å
6SOB BamABCDE in MSP1D1 nanodisc ensemble 1-4 Deposited 2019-08-29	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.50 Å
6SOC BamABCDE in MSP1D1 nanodisc ensemble 1-5 Deposited 2019-08-29	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.00 Å
6SOG BamABCDE in MSP1D1 nanodisc ensemble 1-6 Deposited 2019-08-29	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.30 Å
6SOH BamABCDE in MSP1D1 nanodisc ensemble 1-7 Deposited 2019-08-29	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.50 Å
6SOJ BamABCDE in MSP1D1 nanodisc ensemble 1-8 Deposited 2019-08-29	Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain D 26–243（218 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 10.40 Å

18 other PDB entries and 18 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	BAMD_ECO57
Isoform	—
PDB entities	4
Chains and sequence ranges	Author chain D； PDBConstruct 1–218； UniProt 26–243

Outer membrane protein assembly factor BamE

Escherichia coli

UniProt P0A938

State in the Current Structure

Assembly	Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Associated Components	Method and Experimental Conditions	Structure Quality
1	Protein heterocomplex Heteromer Protein × 5 PDB declaration: pentameric（5） Consistent with protein copy count	Chain E； UniProt 23–113	Not recorded	Outer membrane protein assembly factor BamA × 1 （P0A940） Outer membrane protein assembly factor BamB × 1 （P77774） Outer membrane protein assembly factor BamC × 1 （P0A903） Outer membrane protein assembly factor BamD × 1 （P0AC04）	ELECTRON MICROSCOPY cryo-EM buffer：pH 8 cryo-EM vitrification conditions：Cryogen ETHANE	Resolution 4.30 Å

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

Other PDB	Difference from Current Entry 9H84	Assembly / Oligomeric State	Construct	Mutations and Modifications	Ligands, Ions and Non-polymers	Method and Experimental Conditions	Structure Quality
5LJO E. coli BAM complex (BamABCDE) by cryoEM Deposited 2016-07-19	Different construct Different experimental conditions Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE；Double blot. 3 ul sampel applied and blotted by hand, then additional 3 ul sample applied, blotted, and plunge frozen	Resolution 4.90 Å
6SMX BamABCDE in MSP1D1 nanodisc Deposited 2019-08-23	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 6.65 Å
6SN0 BamABCDE in MSP1D1 nanodisc ensemble 0-1 Deposited 2019-08-23	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 10.80 Å
6SN2 BamABCDE in MSP1D1 nanodisc ensemble 0-2 Deposited 2019-08-23	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.50 Å
6SN3 BamABCDE in MSP1D1 nanodisc ensemble 0-3 Deposited 2019-08-23	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.40 Å
6SN4 BamABCDE in MSP1D1 nanodisc ensemble 0-4 Deposited 2019-08-23	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.50 Å
6SN5 BamABCDE in MSP1D1 nanodisc ensemble 0-5 Deposited 2019-08-23	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.80 Å
6SN7 BamABCDE in MSP1D1 nanodisc ensemble 0-6 Deposited 2019-08-23	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.90 Å
6SN8 BamABCDE in MSP1D1 nanodisc ensemble 0-7 Deposited 2019-08-23	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.40 Å
6SN9 BamABCDE in MSP1D1 nanodisc ensemble 0-8 Deposited 2019-08-23	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.80 Å
6SO7 BamABCDE in MSP1D1 nanodisc ensemble 1-2 Deposited 2019-08-29	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 10.50 Å
6SO8 BamABCDE in MSP1D1 nanodisc ensemble 1-3 Deposited 2019-08-29	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.80 Å
6SOA BamABCDE in MSP1D1 nanodisc ensemble 0-9 Deposited 2019-08-29	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 10.80 Å
6SOB BamABCDE in MSP1D1 nanodisc ensemble 1-4 Deposited 2019-08-29	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.50 Å
6SOC BamABCDE in MSP1D1 nanodisc ensemble 1-5 Deposited 2019-08-29	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.00 Å
6SOG BamABCDE in MSP1D1 nanodisc ensemble 1-6 Deposited 2019-08-29	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 8.30 Å
6SOH BamABCDE in MSP1D1 nanodisc ensemble 1-7 Deposited 2019-08-29	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 9.50 Å
6SOJ BamABCDE in MSP1D1 nanodisc ensemble 1-8 Deposited 2019-08-29	Different construct Different structure-quality metrics	Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric	Chain E 24–110（87 aa）	Not recorded	No recorded non-water small molecule	ELECTRON MICROSCOPY cryo-EM buffer pH 8 cryo-EM vitrification conditions Cryogen ETHANE	Resolution 10.40 Å

18 other PDB entries and 18 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence

UniProt name	BAME_ECOL6
Isoform	—
PDB entities	5
Chains and sequence ranges	Author chain E； PDBConstruct 1–91； UniProt 23–113

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.