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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：Q99LC4 New Search
8PDB entries
12Biological assembly
14chain/assembly records
Main Difference Dimensions in This Set
Different construct Different mutation/modification Different assembly state Different ligand/ion 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
1AFV HIV-1 CAPSID PROTEIN (P24) COMPLEX WITH FAB25.3 Deposited 1997-03-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain H 20–238（219 aa） Fragment：LIGHT CHAIN RESIDUES 1 - 217, HEAVY CHAIN RESIDUES 1 - 220
Chain K 20–238（219 aa） Fragment：LIGHT CHAIN RESIDUES 1 - 217, HEAVY CHAIN RESIDUES 1 - 220
Not recorded PB LEAD (II) ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 7；16% PEG 3350, 50 MM BISTRIS-HCL, PH 7.0, 0.1% BETA-OCTYLGLUCOSIDE, 1 MM NAN3
Resolution 3.70 Å R-free 0.324
2NTF Crystal Structure of a Quorum-Quenching Antibody in Complex with an N-Acyl-L-Homoserine Lactone Analog Deposited 2006-11-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 20–239（220 aa）
Not recorded OHM 3-OXO-N-[(3S)-2-OXOPYRROLIDIN-3-YL]DODECANAMIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；298 K；1.0M Na/K Tartrate, 0.2M NaCl, 0.1 Imidazole, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K, pH 8.00
Resolution 3.18 Å R-free 0.265
2NTF Crystal Structure of a Quorum-Quenching Antibody in Complex with an N-Acyl-L-Homoserine Lactone Analog Deposited 2006-11-07 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain B 20–239（220 aa）
Not recorded OHM 3-OXO-N-[(3S)-2-OXOPYRROLIDIN-3-YL]DODECANAMIDE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；298 K；1.0M Na/K Tartrate, 0.2M NaCl, 0.1 Imidazole, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K, pH 8.00
Resolution 3.18 Å R-free 0.265
2NTF Crystal Structure of a Quorum-Quenching Antibody in Complex with an N-Acyl-L-Homoserine Lactone Analog Deposited 2006-11-07 Assembly 3 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain B 20–239（220 aa）
Chain H 20–239（220 aa）
Not recorded OHM 3-OXO-N-[(3S)-2-OXOPYRROLIDIN-3-YL]DODECANAMIDE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions pH 8；298 K；1.0M Na/K Tartrate, 0.2M NaCl, 0.1 Imidazole, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 298K, pH 8.00
Resolution 3.18 Å R-free 0.265
3HKF Murine unglycosylated IgG Fc fragment Deposited 2009-05-23 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 252–463（212 aa） Fragment：UNP residues 252-463
Not recorded MG MAGNESIUM ION × 2 CL CHLORIDE ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；2-ethoxyethanol, pH8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Resolution 2.50 Å R-free 0.305
5MP3 Crystal structure of DC8E8 Fab in the complex with a 30-mer tau peptide at pH 6.5 Deposited 2016-12-15 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain H 21–239（219 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, HANGING DROP；pH 6.5；295 K；20% PEG 8000, 0.1 M Na-cacodylate, 0.2 M Mg-acetate
Resolution 2.75 Å R-free 0.249
5MP3 Crystal structure of DC8E8 Fab in the complex with a 30-mer tau peptide at pH 6.5 Deposited 2016-12-15 Assembly 2 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 21–239（219 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, HANGING DROP；pH 6.5；295 K；20% PEG 8000, 0.1 M Na-cacodylate, 0.2 M Mg-acetate
Resolution 2.75 Å R-free 0.249
6C5H S25-5 Fab in complex with Chlamydiaceae-specific LPS antigen Deposited 2018-01-16 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 126–239（114 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) PG4 TETRAETHYLENE GLYCOL × 1 PEG DI(HYDROXYETHYL)ETHER × 2 TAM TRIS(HYDROXYETHYL)AMINOMETHANE × 1 CL CHLORIDE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；289.15 K；0.1 M BIS-Tris HCl 25% [w/v] polyethylene glycol [PEG] 3350
Resolution 1.99 Å R-free 0.226
6C5I Unliganded S25-5 Fab Deposited 2018-01-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 126–239（114 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 CL CHLORIDE ION × 1 NI NICKEL (II) ION × 2 PG0 2-(2-METHOXYETHOXY)ETHANOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8.5；289.15 K；0.01 M NiCl2, 0.1 M Tris-HCl, 20% [w/v] PEG 2000 MME
Resolution 1.89 Å R-free 0.231
6C5J S25-23 Fab in complex with Chlamydiaceae LPS (Crystal form 1) Deposited 2018-01-16 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 126–239（114 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.5；289.15 K；0.1 M MES, 20% [w/v] polyethylene glycol [PEG] 10000
Resolution 2.29 Å R-free 0.239
6C5K S25-23 Fab in complex with Chlamydiaceae LPS (Crystal form 2) Deposited 2018-01-16 Assembly 1 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain H 126–239（114 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；289.15 K；0.2 M Potassium nitrate, 20% [w/v] polyethylene glycol 3350
Resolution 1.75 Å R-free 0.218
6C5K S25-23 Fab in complex with Chlamydiaceae LPS (Crystal form 2) Deposited 2018-01-16 Assembly 2 Other combination Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 126–239（114 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) NO3 NITRATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；289.15 K；0.2 M Potassium nitrate, 20% [w/v] polyethylene glycol 3350
Resolution 1.75 Å R-free 0.218

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.