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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：Q7Z3Y4 New Search
16PDB entries
18Biological assembly
24chain/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
1L7I Crystal Structure of the anti-ErbB2 Fab2C4 Deposited 2002-03-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain L 23–236（214 aa） Fragment：light chain (residues 1-214)
Not recorded SO4 SULFATE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；292 K；35%-45% saturated (NH4)2SO4, 0.1 M Tris-HCl, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 292K
Resolution 1.80 Å R-free 0.230
5VL7 PCSK9 complex with Fab33 Deposited 2017-04-25 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain L 127–236（110 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 7；292 K；potassium sodium phosphate
Resolution 3.50 Å R-free 0.245
5VR9 CH1/Ckappa Fab based on Matuzumab Deposited 2017-05-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 130–235（106 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；294 K；see publication for details
Resolution 2.15 Å R-free 0.244
5VR9 CH1/Ckappa Fab based on Matuzumab Deposited 2017-05-10 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain L 130–235（106 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；294 K；see publication for details
Resolution 2.15 Å R-free 0.244
5VSI CH1/Ckappa Fab mutant 15.1 Deposited 2017-05-11 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain L 130–235（106 aa）
Not recorded SO4 SULFATE ION × 5 EDO 1,2-ETHANEDIOL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；294 K；see publication
Resolution 1.51 Å R-free 0.227
6BGT Structure of Trastuzumab Fab mutant in complex with Her2 extracellular domain Deposited 2017-10-29 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 127–236（110 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION；pH 6.5；293 K；100 mM MES, pH 6.5, 18% PEG3350, 10% glycerol
Resolution 2.70 Å R-free 0.247
6MH2 Structure of Herceptin Fab without antigen Deposited 2018-09-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 127–236（110 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；200 mM ammonium acetate, 100 mM Bis-Tris, pH 5.5, 25% v/v PEG3350
Resolution 2.80 Å R-free 0.306
6MH2 Structure of Herceptin Fab without antigen Deposited 2018-09-17 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 127–236（110 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.5；293 K；200 mM ammonium acetate, 100 mM Bis-Tris, pH 5.5, 25% v/v PEG3350
Resolution 2.80 Å R-free 0.306
6MXR Crystal structure of the dimeric bH1-Fab variant [HC-Y33W,HC-D98M,HC-G99M] Deposited 2018-10-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 127–236（110 aa）
Chain L 127–236（110 aa）
Not recorded CL CHLORIDE ION × 2 NA SODIUM ION × 1 EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions MICROBATCH；pH 5.6；295 K；0.1 M tris-sodium citrate, pH 5.6, 11% PEG4000, 8% isopropanol
Resolution 2.04 Å R-free 0.200
6MXS Crystal structure of the dimeric bH1-Fab variant [HC-Y33W,HC-D98F,HC-G99M] Deposited 2018-10-31 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 127–236（110 aa）
Chain L 127–236（110 aa）
Not recorded CL CHLORIDE ION × 2 NA SODIUM ION × 1 EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions MICROBATCH；pH 5.6；295 K；0.1 M tri-sodium citrate, pH 5.6, 12% PEG4000, 10% isopropanol
Resolution 1.95 Å R-free 0.229
6MY4 Crystal structure of the dimeric bH1-Fab variant [HC-Y33W,HC-D98M,HC-G99M,LC-S30bR] Deposited 2018-11-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 127–236（110 aa）
Chain L 127–236（110 aa）
Mutation：S30bR,S30bR Mutation：S30bR,S30bR EDO 1,2-ETHANEDIOL × 6 X-RAY DIFFRACTION
X-ray crystallization conditions MICROBATCH；pH 8；295 K；0.05 M imidazole, pH 8.0, 18% PEG6000
Resolution 1.69 Å R-free 0.230
6MY5 Crystal structure of the dimeric bH1-Fab variant [HC-Y33W,HC-D98F,HC-G99M,LC-S30bR] Deposited 2018-11-01 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 127–236（110 aa）
Chain L 127–236（110 aa）
Mutation：S30bR,S30bR Mutation：S30bR,S30bR EDO 1,2-ETHANEDIOL × 4 X-RAY DIFFRACTION
X-ray crystallization conditions MICROBATCH；pH 8；295 K；0.04 M imidazole, pH 8.0, 21% PEG6000
Resolution 1.73 Å R-free 0.229
6U1N GPCR-Beta arrestin structure in lipid bilayer Deposited 2019-08-16 Assembly 1 Insufficient information Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain L 127–236（110 aa）
Not recorded 2CU 3-amino-5-chloro-N-cyclopropyl-4-methyl-6-[2-(4-methylpiperazin-1-yl)-2-oxoethoxy]thieno[2,3-b]pyridine-2-carboxamide × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
7ZLG Cryo-EM structure of C-mannosyltransferase CeDPY19, in complex with acceptor peptide and bound to CMT2-Fab and anti-Fab nanobody Deposited 2022-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain L 23–236（214 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.72 Å
7ZLI Cryo-EM structure of C-mannosyltransferase CeDPY19, in complex with Dol25-P-Man and bound to CMT2-Fab and anti-Fab nanobody Deposited 2022-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain L 23–236（214 aa）
Not recorded IZY Dolichol monophosphate beta-D-Mannose × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 2.99 Å
7ZLJ Cryo-EM structure of C-mannosyltransferase CeDPY19, in ternary complex with Dol25-P-C-Man and acceptor peptide, bound to CMT2-Fab and anti-Fab nanobody Deposited 2022-04-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain L 23–236（214 aa）
Not recorded IZU [(2~{R},3~{S},4~{S},5~{S},6~{R})-6-(hydroxymethyl)-3,4,5-tris(oxidanyl)oxan-2-yl]methyl-[(3~{S},6~{E},10~{Z},14~{E})-3,7,11,15,19-pentamethylicosa-6,10,14,18-tetraenoxy]phosphinic acid × 1 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE-PROPANE
Resolution 3.63 Å
9BDG Influenza A virus Hemagglutinin H3/Darwin/6/2021 in complex with Fab ADI-85647 Deposited 2024-04-11 Assembly 1 Other combination Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain G 23–236（214 aa）
Chain H 23–236（214 aa）
Chain I 23–236（214 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.01 Å
9MY8 D7 Herpes Virus Simplex Neutralizing Nanobody Bound to HSV Glycoprotein gD Deposited 2025-01-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain L 23–236（214 aa）
Not recorded No recorded non-water small molecule ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.30 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.