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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：Q19KF7 New Search
3PDB entries
4Biological assembly
4chain/assembly records
Main Difference Dimensions in This Set
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
4AYI Structure of a complex between CCPs 6 and 7 of Human Complement Factor H and Neisseria meningitidis FHbp Variant 3 Wild type Deposited 2012-06-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 32–281（250 aa） Fragment：RESIDUES 32-281
Not recorded EDO 1,2-ETHANEDIOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；0.2 M IMIDAZOLE PH 6 20% PEG 4000
Resolution 2.31 Å R-free 0.252
4AYM Structure of a complex between CCPs 6 and 7 of Human Complement Factor H and Neisseria meningitidis FHbp Variant 3 P106A mutant Deposited 2012-06-21 Assembly 1 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain C 32–281（250 aa） Fragment：RESIDUES 32-281
Mutation：YES No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；0.2 M IMIDAZOLE PH 6, 20% PEG 4000
Resolution 3.00 Å R-free 0.257
4AYM Structure of a complex between CCPs 6 and 7 of Human Complement Factor H and Neisseria meningitidis FHbp Variant 3 P106A mutant Deposited 2012-06-21 Assembly 2 Protein heterocomplex Heteromer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain D 32–281（250 aa） Fragment：RESIDUES 32-281
Mutation：YES No recorded non-water small molecule X-RAY DIFFRACTION
X-ray crystallization conditions pH 6；0.2 M IMIDAZOLE PH 6, 20% PEG 4000
Resolution 3.00 Å R-free 0.257
6H2Y human Fab 1E6 bound to fHbp variant 3 from Neisseria meningitidis serogroup B Deposited 2018-07-17 Assembly 1 Protein heterocomplex Heteromer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 32–281（250 aa）
Not recorded EDO 1,2-ETHANEDIOL × 12 PEG DI(HYDROXYETHYL)ETHER × 1 P33 3,6,9,12,15,18-HEXAOXAICOSANE-1,20-DIOL × 1 PG4 TETRAETHYLENE GLYCOL × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.5；293.15 K；Molecular Dimensions Morpheus HT-96 screen, well D9
Resolution 2.65 Å R-free 0.275

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.