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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：P06709 New Search
5PDB entries
6Biological assembly
7chain/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
1BIA THE E. COLI BIOTIN HOLOENZYME SYNTHETASE(SLASH)BIO REPRESSOR CRYSTAL STRUCTURE DELINEATES THE BIOTIN AND DNA-BINDING DOMAINS Deposited 1992-07-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–321（321 aa）
Not recorded No recorded non-water small molecule X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.30 Å
1BIB THE E. COLI BIOTIN HOLOENZYME SYNTHETASE(SLASH)BIO REPRESSOR CRYSTAL STRUCTURE DELINEATES THE BIOTIN AND DNA-BINDING DOMAINS Deposited 1992-07-06 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–321（321 aa）
Not recorded BTN BIOTIN × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.80 Å
1HXD CRYSTAL STRUCTURE OF E. COLI BIOTIN REPRESSOR WITH BOUND BIOTIN Deposited 2001-01-12 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–321（321 aa）
Not recorded BTN BIOTIN × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.40 Å
1HXD CRYSTAL STRUCTURE OF E. COLI BIOTIN REPRESSOR WITH BOUND BIOTIN Deposited 2001-01-12 Assembly 2 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain B 1–321（321 aa）
Not recorded BTN BIOTIN × 1 X-RAY DIFFRACTION mmCIF provides none of the parsed conditions Resolution 2.40 Å
2EWN Ecoli Biotin Repressor with co-repressor analog Deposited 2005-11-04 Assembly 1 Protein homooligomer Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–321（321 aa）
Chain B 1–321（321 aa）
Not recorded BTX ((2R,3S,4R,5R)-5-(6-AMINO-9H-PURIN-9-YL)-3,4-DIHYDROXY-TETRAHYDROFURAN-2-YL)METHYL 5-((3AS,4S,6AR)-2-OXO-HEXAHYDRO-1H-THIENO[3,4-D]IMIDAZOL-4-YL)PENTYL HYDROGEN PHOSPHATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；298 K；20% PEG 4K, 100mM Tris-HCL, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Resolution 2.80 Å R-free 0.264
4WF2 Structure of E. coli BirA G142A bound to biotinol-5'-AMP Deposited 2014-09-11 Assembly 1 Protein monomer Monomer；Protein × 1 PDB declaration: monomeric（1） Consistent with protein count
Chain A 1–321（321 aa）
Mutation：G142A BTX ((2R,3S,4R,5R)-5-(6-AMINO-9H-PURIN-9-YL)-3,4-DIHYDROXY-TETRAHYDROFURAN-2-YL)METHYL 5-((3AS,4S,6AR)-2-OXO-HEXAHYDRO-1H-THIENO[3,4-D]IMIDAZOL-4-YL)PENTYL HYDROGEN PHOSPHATE × 1 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, HANGING DROP；pH 8；293 K；0.1 M TrisHCl, pH 8.0 and 12.5% (w/v) PEG 8K (Hampton) at 20 deg C
Resolution 2.31 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.