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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：P06996 New Search
7PDB entries
12Biological assembly
22chain/assembly records
Main Difference Dimensions in This Set
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
2J1N osmoporin OmpC Deposited 2006-08-15 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 22–367（346 aa）
Chain B 22–367（346 aa）
Chain C 22–367（346 aa）
Not recorded MG MAGNESIUM ION × 3 CL CHLORIDE ION × 2 D12 DODECANE × 11 X-RAY DIFFRACTION
X-ray crystallization conditions 25 MG/ML OMPC IN 25 MM TRIS-HCL (PH 8.0), 0.5 M NACL, 1.8 % (W/W) N-OCTYL-2- HYDROXYETHYLSULFOXIDE (C8HESO), 0.3 % (V/V) OCTYL-POLYOXYETHYLENE (OCTYL-POE) WERE EQUILIBRATED AGAINST A RESERVOIR SOLUTION CONTAINING 25 MM TRIS-HCL (PH 8.0), 0.5 M NACL AND 28% PEG2000.
Resolution 2.00 Å R-free 0.214
2J4U E.coli OmpC - camel Lactoferrin complex Deposited 2006-09-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain P 22–367（346 aa） Fragment：RESIDUES 22-367
Chain Q 22–367（346 aa） Fragment：RESIDUES 22-367
Chain R 22–367（346 aa） Fragment：RESIDUES 22-367
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.99 Å R-free 0.282
2J4U E.coli OmpC - camel Lactoferrin complex Deposited 2006-09-06 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain U 22–367（346 aa） Fragment：RESIDUES 22-367
Chain V 22–367（346 aa） Fragment：RESIDUES 22-367
Chain W 22–367（346 aa） Fragment：RESIDUES 22-367
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.99 Å R-free 0.282
2ZLE Cryo-EM structure of DegP12/OMP Deposited 2008-04-09 Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric（13） Consistent with protein count
Chain D 22–367（346 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM vitrification conditions Cryogen ETHANE；Embedded in vitreous ice using C-flat holey carbon grids (CF-2/2-4C-100, Protochip) and a Vitrobot (FEI) at 20 temperature and 100% relative humidity
Resolution 28.00 Å
3NB3 The host outer membrane proteins OmpA and OmpC are packed at specific sites in the Shigella phage Sf6 virion as structural components Deposited 2010-06-02 Assembly 1 Protein heterocomplex Heteromer；Protein × 240 PDB declaration: 240-MERIC（240） Consistent with protein count
Chain D 22–367（346 aa） Fragment：outer membrane protein C
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris-HCl, pH 7.4, 10 mM MgCl2；pH 7.4；10 mM Tris-HCl, pH 7.4, 10 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE；Vitrification was carried out with a standard cryoEM method. The sample of 4 microlitres was applied to a holey EM grid, blotted for 3-4 seconds with a Whatman #2 filter paper, and plunged into ethane slush incubated in liquid nitrogen. The grid was stored in liquid nitrogen.
Resolution 19.00 Å
3NB3 The host outer membrane proteins OmpA and OmpC are packed at specific sites in the Shigella phage Sf6 virion as structural components Deposited 2010-06-02 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 22–367（346 aa） Fragment：outer membrane protein C
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris-HCl, pH 7.4, 10 mM MgCl2；pH 7.4；10 mM Tris-HCl, pH 7.4, 10 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE；Vitrification was carried out with a standard cryoEM method. The sample of 4 microlitres was applied to a holey EM grid, blotted for 3-4 seconds with a Whatman #2 filter paper, and plunged into ethane slush incubated in liquid nitrogen. The grid was stored in liquid nitrogen.
Resolution 19.00 Å
3NB3 The host outer membrane proteins OmpA and OmpC are packed at specific sites in the Shigella phage Sf6 virion as structural components Deposited 2010-06-02 Assembly 3 Protein heterocomplex Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain D 22–367（346 aa） Fragment：outer membrane protein C
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris-HCl, pH 7.4, 10 mM MgCl2；pH 7.4；10 mM Tris-HCl, pH 7.4, 10 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE；Vitrification was carried out with a standard cryoEM method. The sample of 4 microlitres was applied to a holey EM grid, blotted for 3-4 seconds with a Whatman #2 filter paper, and plunged into ethane slush incubated in liquid nitrogen. The grid was stored in liquid nitrogen.
Resolution 19.00 Å
3NB3 The host outer membrane proteins OmpA and OmpC are packed at specific sites in the Shigella phage Sf6 virion as structural components Deposited 2010-06-02 Assembly 4 Protein heterocomplex Heteromer；Protein × 24 PDB declaration: 24-meric（24） Consistent with protein count
Chain D 22–367（346 aa） Fragment：outer membrane protein C
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris-HCl, pH 7.4, 10 mM MgCl2；pH 7.4；10 mM Tris-HCl, pH 7.4, 10 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE；Vitrification was carried out with a standard cryoEM method. The sample of 4 microlitres was applied to a holey EM grid, blotted for 3-4 seconds with a Whatman #2 filter paper, and plunged into ethane slush incubated in liquid nitrogen. The grid was stored in liquid nitrogen.
Resolution 19.00 Å
3NB3 The host outer membrane proteins OmpA and OmpC are packed at specific sites in the Shigella phage Sf6 virion as structural components Deposited 2010-06-02 Assembly 5 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 22–367（346 aa） Fragment：outer membrane protein C
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 10 mM Tris-HCl, pH 7.4, 10 mM MgCl2；pH 7.4；10 mM Tris-HCl, pH 7.4, 10 mM MgCl2
cryo-EM vitrification conditions Cryogen ETHANE；Vitrification was carried out with a standard cryoEM method. The sample of 4 microlitres was applied to a holey EM grid, blotted for 3-4 seconds with a Whatman #2 filter paper, and plunged into ethane slush incubated in liquid nitrogen. The grid was stored in liquid nitrogen.
Resolution 19.00 Å
4A8D DegP dodecamer with bound OMP Deposited 2011-11-20 Assembly 1 Protein heterocomplex Heteromer；Protein × 13 PDB declaration: tridecameric（13） Consistent with protein count
Chain M 22–367（346 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer 300MM NACL, 50MM HEPES- NAOH；pH 8；300MM NACL, 50MM HEPES- NAOH
cryo-EM vitrification conditions Cryogen ETHANE；EMBEDDED IN VITREOUS ICE USING C-FLAT HOLEY CARBON GRIDS AND A VITROBOT AT 20C.
Resolution 28.00 Å
8I8R Cryo-EM Structure of OmpC3-MlaA Complex in MSP2N2 Nanodiscs Deposited 2023-02-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 22–367（346 aa）
Chain B 22–367（346 aa）
Chain C 22–367（346 aa）
Not recorded KDL (2~{R},4~{R},5~{R},6~{R})-6-[(1~{R})-1,2-bis(oxidanyl)ethyl]-2-[(2~{R},4~{R},5~{R},6~{R})-6-[(1~{R})-1,2-bis(oxidanyl)ethyl]-2-carboxy-2-[[(2~{R},3~{S},4~{R},5~{R},6~{R})-5-[[(3~{R})-3-dodecanoyloxytetradecanoyl]amino]-6-[[(2~{R},3~{S},4~{R},5~{R},6~{R})-3-oxidanyl-5-[[(3~{R})-3-oxidanyltetradecanoyl]amino]-4-[(3~{R})-3-oxidanyltetradecanoyl]oxy-6-phosphonooxy-oxan-2-yl]methoxy]-3-phosphonooxy-4-[(3~{R})-3-tetradecanoyloxytetradecanoyl]oxy-oxan-2-yl]methoxy]-5-oxidanyl-oxan-4-yl]oxy-4,5-bis(oxidanyl)oxane-2-carboxylic acid × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；Tris-buffered saline (TBS) buffer (20 mM Tris HCl pH 8.0, 150 mM NaCl)
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.93 Å
8I8X Cryo-EM Structure of OmpC3-MlaA-MlaC Complex in MSP2N2 Nanodiscs Deposited 2023-02-05 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 22–367（346 aa）
Chain B 22–367（346 aa）
Chain C 22–367（346 aa）
Not recorded KDL (2~{R},4~{R},5~{R},6~{R})-6-[(1~{R})-1,2-bis(oxidanyl)ethyl]-2-[(2~{R},4~{R},5~{R},6~{R})-6-[(1~{R})-1,2-bis(oxidanyl)ethyl]-2-carboxy-2-[[(2~{R},3~{S},4~{R},5~{R},6~{R})-5-[[(3~{R})-3-dodecanoyloxytetradecanoyl]amino]-6-[[(2~{R},3~{S},4~{R},5~{R},6~{R})-3-oxidanyl-5-[[(3~{R})-3-oxidanyltetradecanoyl]amino]-4-[(3~{R})-3-oxidanyltetradecanoyl]oxy-6-phosphonooxy-oxan-2-yl]methoxy]-3-phosphonooxy-4-[(3~{R})-3-tetradecanoyloxytetradecanoyl]oxy-oxan-2-yl]methoxy]-5-oxidanyl-oxan-4-yl]oxy-4,5-bis(oxidanyl)oxane-2-carboxylic acid × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 8；Tris-buffered saline (TBS) buffer (20 mM Tris HCl pH 8.0, 150 mM NaCl)
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.25 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.