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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：A0R0B3 New Search
19PDB entries
19Biological assembly
46chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion Different experimental method Different experimental conditions Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
7BVC Cryo-EM structure of Mycobacterium smegmatis arabinosyltransferase EmbA-EmbB-AcpM2 in complex with ethambutol Deposited 2020-04-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain P 1–99（99 aa）
Not recorded CDL CARDIOLIPIN × 2 F8L [(2Z,6E,10E,14Z,18E,22Z,26Z)-3,7,11,15,19,23,27,31,35,39-decamethyltetraconta-2,6,10,14,18,22,26,30,34,38-decaenyl] [(2S,3S,4S,5R)-5-(hydroxymethyl)-3,4-bis(oxidanyl)oxolan-2-yl] hydrogen phosphate × 1 CA CALCIUM ION × 2 PNS 4'-PHOSPHOPANTETHEINE × 1 PO4 PHOSPHATE ION × 1 95E Ethambutol × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.90 Å
7BVE Cryo-EM structure of Mycobacterium smegmatis arabinosyltransferase EmbC2-AcpM2 in complex with ethambutol Deposited 2020-04-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–99（99 aa）
Chain D 1–99（99 aa）
Not recorded CA CALCIUM ION × 2 PO4 PHOSPHATE ION × 2 95E Ethambutol × 2 PN7 N~3~-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-N-(2-sulfanylethyl)-beta-alaninamide × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.81 Å
7BVF Cryo-EM structure of Mycobacterium tuberculosis arabinosyltransferase EmbA-EmbB-AcpM2 in complex with ethambutol Deposited 2020-04-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain P 1–99（99 aa）
Not recorded CA CALCIUM ION × 1 95E Ethambutol × 1 DSL MONO-TRANS, OCTA-CIS DECAPRENYL-PHOSPHATE × 1 CDL CARDIOLIPIN × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.97 Å
7BVG Cryo-EM structure of Mycobacterium smegmatis arabinosyltransferase EmbA-EmbB-AcpM2 in complex with di-arabinose. Deposited 2020-04-10 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain P 1–99（99 aa）
Not recorded F8L [(2Z,6E,10E,14Z,18E,22Z,26Z)-3,7,11,15,19,23,27,31,35,39-decamethyltetraconta-2,6,10,14,18,22,26,30,34,38-decaenyl] [(2S,3S,4S,5R)-5-(hydroxymethyl)-3,4-bis(oxidanyl)oxolan-2-yl] hydrogen phosphate × 1 CDL CARDIOLIPIN × 2 CA CALCIUM ION × 2 PO4 PHOSPHATE ION × 1 PNS 4'-PHOSPHOPANTETHEINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
7BVH Crystal structure of arabinosyltransferase EmbC2-AcpM2 complex from Mycobacterium smegmatis complexed with di-arabinose Deposited 2020-04-10 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–99（99 aa）
Chain D 1–99（99 aa）
Not recorded CA CALCIUM ION × 2 PO4 PHOSPHATE ION × 2 BXY alpha-D-arabinofuranose × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；289 K；50mM HEPES (pH 6.8~7.5), 100mM NaCl, 5-10% (v/v) polyethylene glycol 4000, 20-30% (v/v) polyethylene glycol 200
Resolution 3.30 Å R-free 0.265
7BWR Mycobacterium smegmatis arabinosyltransferase complex EmbB2-AcpM2 in substrate DPA bound asymmetric "active state" Deposited 2020-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–99（99 aa）
Chain D 1–99（99 aa）
Not recorded CA CALCIUM ION × 1 F8L [(2Z,6E,10E,14Z,18E,22Z,26Z)-3,7,11,15,19,23,27,31,35,39-decamethyltetraconta-2,6,10,14,18,22,26,30,34,38-decaenyl] [(2S,3S,4S,5R)-5-(hydroxymethyl)-3,4-bis(oxidanyl)oxolan-2-yl] hydrogen phosphate × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.50 Å
7BX8 Mycobacterium smegmatis arabinosyltransferase complex EmbB2-AcpM2 in symmetric "resting state" Deposited 2020-04-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain C 1–99（99 aa）
Chain D 1–99（99 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.60 Å
8ZKP Cryo-EM structure of the efflux transporter MmpL5/MmpS5 from Mycobacterium tuberculosis, C3 symmetry Deposited 2024-05-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain D 1–99（99 aa）
Chain H 1–99（99 aa）
Chain I 1–99（99 aa）
Not recorded CDL CARDIOLIPIN × 6 PEV (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE × 6 PN7 N~3~-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-N-(2-sulfanylethyl)-beta-alaninamide × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.64 Å
8ZKQ Cryo-EM structure of the efflux transporter MmpL5/MmpS5 from Mycobacterium tuberculosis, C1 symmetry Deposited 2024-05-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain D 1–99（99 aa）
Chain H 1–99（99 aa）
Chain I 1–99（99 aa）
Not recorded CDL CARDIOLIPIN × 6 PEV (1S)-2-{[(2-AMINOETHOXY)(HYDROXY)PHOSPHORYL]OXY}-1-[(PALMITOYLOXY)METHYL]ETHYL STEARATE × 6 PN7 N~3~-[(2S)-2-hydroxy-3,3-dimethyl-4-(phosphonooxy)butanoyl]-N-(2-sulfanylethyl)-beta-alaninamide × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.84 Å
9DP6 Mycolicibacterium smegmatis MmpL5-AcpM structure Deposited 2024-09-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–99（99 aa）
Not recorded PNS 4'-PHOSPHOPANTETHEINE × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.81 Å
9MVZ Tripartite complex of MmpL5-S5-AcpM from Mycolicibacterium smegmatis Deposited 2025-01-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain G 1–99（99 aa）
Chain H 1–99（99 aa）
Chain I 1–99（99 aa）
Not recorded PNS 4'-PHOSPHOPANTETHEINE × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.81 Å
9MW0 Bipartite complex of MmpL5-AcpM from Mycolicibacterium smegmatis Deposited 2025-01-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain G 1–99（99 aa）
Chain H 1–99（99 aa）
Chain I 1–99（99 aa）
Not recorded PNS 4'-PHOSPHOPANTETHEINE × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.37 Å
9MX0 Cluster of bipartite complex of MmpL5-AcpM from Mycolicibacterium smegmatis Deposited 2025-01-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain B 1–99（99 aa）
Chain C 1–99（99 aa）
Chain E 1–99（99 aa）
Chain G 1–99（99 aa）
Chain I 1–99（99 aa）
Chain K 1–99（99 aa）
Chain M 1–99（99 aa）
Chain N 1–99（99 aa）
Chain O 1–99（99 aa）
Chain S 1–99（99 aa）
Chain T 1–99（99 aa）
Chain U 1–99（99 aa）
Not recorded PNS 4'-PHOSPHOPANTETHEINE × 8 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.35 Å
9RFU M.tuberculosis MmpS5L5-acpM complex Deposited 2025-06-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain G 3–80（78 aa）
Chain H 3–80（78 aa）
Chain I 3–80（78 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) L9Q (1S)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(octadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；50 mM HEPES pH 8.0, 150 mM NaCl, 0.004% LMNG
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9RGB M.tuberculosis MmpS5L5-acpM complex Deposited 2025-06-06 Assembly 1 Insufficient information Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain G 1–99（99 aa）
Chain H 1–99（99 aa）
Chain I 1–99（99 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) L9Q (1S)-2-{[(S)-(2-aminoethoxy)(hydroxy)phosphoryl]oxy}-1-[(octadecanoyloxy)methyl]ethyl (9Z)-octadec-9-enoate × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；50 mM HEPES pH 8.0, 150 mM NaCl, 0.004% LMNG
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9S2U 1:1 complex of M.tuberculosis MmpL5 and M.smegmatis AcpM Deposited 2025-07-22 Assembly 1 Insufficient information Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain I 3–80（78 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8；50 mM HEPES pH8.0, 150 mM NaCl, 0.004% LMNG, 50 uM Bedaquiline
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.20 Å
9U4T Cryo-EM map of MSMEG_3496 in complex with AcpM, size exclusion chromatography peak1 Deposited 2025-03-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–99（99 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.11 Å
9U4V Cryo-EM map of MSMEG_3496 in complex with AcpM, size exclusion chromatography peak2 Deposited 2025-03-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–99（99 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 8
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.09 Å
9U51 Cryo-EM structure of Mycobacterium tuberculosis MmpL5 in complex with AcpM Deposited 2025-03-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 1–99（99 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.05 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.