← Back to search

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：Q9Y279 New Search
12PDB entries
16Biological assembly
16chain/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
2ICC Extracellular Domain of CRIg Deposited 2006-09-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 19–137（119 aa） Fragment：extracellular domain of CRIG
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 6.4；298 K；pH 6.4, EVAPORATION, temperature 298K
Resolution 1.20 Å R-free 0.172
2ICE CRIg bound to C3c Deposited 2006-09-12 Assembly 1 Other combination Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain S 19–137（119 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.10 Å R-free 0.295
2ICE CRIg bound to C3c Deposited 2006-09-12 Assembly 2 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain T 19–137（119 aa）
Not recorded CA CALCIUM ION × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 3.10 Å R-free 0.295
2ICF CRIg bound to C3b Deposited 2006-09-12 Assembly 1 Other combination Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain S 19–137（119 aa）
Not recorded CA CALCIUM ION × 1 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 1 X-RAY DIFFRACTION
X-ray crystallization conditions EVAPORATION；pH 6.5；293 K；pH 6.5, EVAPORATION, temperature 293K
Resolution 4.10 Å R-free 0.330
5IMK Nanobody targeting human Vsig4 in Spacegroup C2 Deposited 2016-03-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 19–232（214 aa） Fragment：UNP residues 19-232
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；0.1M Sodium citrate tribasic dehydrate pH5.6, 20% 2-Propanol, 20% PEG 4000
Resolution 1.23 Å R-free 0.185
5IML Nanobody targeting human Vsig4 in Spacegroup P212121 Deposited 2016-03-06 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 19–232（214 aa） Fragment：UNP residues 19-232
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；293 K；(1) 1.2M sodium citrate tribasic dehydrate, 0.1M BIS-TRIS propane pH7.0 and (2) 0.17M Ammonium sulfate, 15% Glycerol, 25.5% PEG 4000
Resolution 1.80 Å R-free 0.226
8TE5 Crystal structure of a multiple lysine-to-arginine substitution mutant of the human CRIg C3b-binding domain Deposited 2023-07-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 20–137（118 aa）
Mutation：K15R,K36R,K62R,K72R,K110R No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium aaetate (pH 6.5) 0.2 M ammonium acetate 30% (w/v) peg-4000
Resolution 1.50 Å R-free 0.223
8TE6 Crystal structure of a multiple lysine-to-arginine substitution mutant of the human CRIg C3b-binding domain Deposited 2023-07-05 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 20–137（118 aa）
Mutation：K15R,K36R,K62R,K72R,K110R No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0.1 M sodium acetate (pH 6.5) 0.2 M ammonium acetate 30% (w/v) PEG-4000
Resolution 1.25 Å R-free 0.196
9EZH Structure of single-domain antibody VHH_h4 in complex with human Vsig4 Deposited 2024-04-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–137（118 aa）
Not recorded GOL GLYCEROL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0,1M Bis-Tris pH 6.0 and 24% PEG3350
Resolution 1.94 Å R-free 0.239
9EZI Structure of single-domain antibody VHH_h5 in complex with human Vsig4 Deposited 2024-04-12 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–137（118 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；293 K；0,1M Bis-Tris pH 6.5 and 30% PEG3350
Resolution 1.97 Å R-free 0.243
9EZU Structure of the single-domain antibody VHH_h1 in complex with human Vsig4 Deposited 2024-04-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–137（118 aa）
Not recorded SO4 SULFATE ION × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；287 K；0,17M ammonium sulfate 15% glycerol 25,5% PEG 4000
Resolution 1.05 Å R-free 0.176
9EZV Structure of the single-domain antibody VHH_h2 in complex with human Vsig4 Deposited 2024-04-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–137（118 aa）
Not recorded EDO 1,2-ETHANEDIOL × 8 IPA ISOPROPYL ALCOHOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；287 K；0,1M Na-citrate pH 5,6 20% 2-propanol 21% PEG 4000
Resolution 1.45 Å R-free 0.215
9EZW Structure of the single-domain antibody VHH_h3 in complex with human Vsig4 Deposited 2024-04-14 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 20–137（118 aa）
Not recorded EDO 1,2-ETHANEDIOL × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；294 K；0,1M Na-citrate pH 5,6 20% 2-propanol 21% PEG 4000
Resolution 1.90 Å R-free 0.228
9EZW Structure of the single-domain antibody VHH_h3 in complex with human Vsig4 Deposited 2024-04-14 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 20–137（118 aa）
Not recorded EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；294 K；0,1M Na-citrate pH 5,6 20% 2-propanol 21% PEG 4000
Resolution 1.90 Å R-free 0.228
9EZW Structure of the single-domain antibody VHH_h3 in complex with human Vsig4 Deposited 2024-04-14 Assembly 3 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain E 20–137（118 aa）
Not recorded EDO 1,2-ETHANEDIOL × 3 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；294 K；0,1M Na-citrate pH 5,6 20% 2-propanol 21% PEG 4000
Resolution 1.90 Å R-free 0.228
9EZW Structure of the single-domain antibody VHH_h3 in complex with human Vsig4 Deposited 2024-04-14 Assembly 4 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain G 20–137（118 aa）
Not recorded EDO 1,2-ETHANEDIOL × 4 PEG DI(HYDROXYETHYL)ETHER × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.6；294 K；0,1M Na-citrate pH 5,6 20% 2-propanol 21% PEG 4000
Resolution 1.90 Å R-free 0.228

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.