← 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：P06609 New Search
5PDB entries
6Biological assembly
12chain/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
1L7V Bacterial ABC Transporter Involved in B12 Uptake Deposited 2002-03-18 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–326（326 aa）
Chain B 1–326（326 aa）
Non-standard monomer：Yes (specific site not provided by mmCIF) Non-standard monomer：Yes (specific site not provided by mmCIF) V4O CYCLO-TETRAMETAVANADATE × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8；278 K；PEG 2000, LDAO, Tris, magnesium nitrate, MPD, D2O, pH 8.0, VAPOR DIFFUSION, SITTING DROP, temperature 278K
Resolution 3.20 Å R-free 0.286
2QI9 ABC-transporter BtuCD in complex with its periplasmic binding protein BtuF Deposited 2007-07-03 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–326（326 aa）
Chain B 1–326（326 aa）
Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S Non-standard monomer：Yes (specific site not provided by mmCIF) Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S Non-standard monomer：Yes (specific site not provided by mmCIF) PO4 PHOSPHATE ION × 2 SO4 SULFATE ION × 6 1PE PENTAETHYLENE GLYCOL × 2 PEG DI(HYDROXYETHYL)ETHER × 4 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 8.4；293 K；30-38% (w/v) polyethylene glycol 400, 50mM either of Tris‑HCl pH 8.4 or Glycine-NaOH pH 9.4 and 400mM (NH4)2SO4., VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 2.60 Å R-free 0.280
4DBL Crystal structure of E159Q mutant of BtuCDF Deposited 2012-01-16 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–326（326 aa）
Chain B 1–326（326 aa）
Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S PO4 PHOSPHATE ION × 2 SO4 SULFATE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.4；293 K；0.1M sodium citrate, pH 5.4, 0.3-0.4M ammonium sulphate, 30-35% PEG-400, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.49 Å R-free 0.251
4DBL Crystal structure of E159Q mutant of BtuCDF Deposited 2012-01-16 Assembly 2 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain F 1–326（326 aa）
Chain G 1–326（326 aa）
Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S PO4 PHOSPHATE ION × 2 SO4 SULFATE ION × 6 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 5.4；293 K；0.1M sodium citrate, pH 5.4, 0.3-0.4M ammonium sulphate, 30-35% PEG-400, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.49 Å R-free 0.251
4FI3 Structure of vitamin B12 transporter BtuCD-F in a nucleotide-bound state Deposited 2012-06-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain A 1–326（326 aa）
Chain B 1–326（326 aa）
Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.8；293 K；20-30% PEG400, 100 mM ADA pH6.8, 100 mM Na/K-citrate, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Resolution 3.47 Å R-free 0.274
4R9U Structure of vitamin B12 transporter BtuCD in a nucleotide-bound outward facing state Deposited 2014-09-08 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain A 1–326（326 aa）
Chain B 1–326（326 aa）
Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S Mutation：C18S, C32S, C120S, C156S, C205S, C206S, C267S LDA LAURYL DIMETHYLAMINE-N-OXIDE × 4 ANP PHOSPHOAMINOPHOSPHONIC ACID-ADENYLATE ESTER × 2 MG MAGNESIUM ION × 2 X-RAY DIFFRACTION
X-ray crystallization conditions VAPOR DIFFUSION, SITTING DROP；pH 6.9；283 K；PEG2000MME (14-18%), NaCl (1.2 M), ADA (100 mM, pH 6.9), VAPOR DIFFUSION, SITTING DROP, temperature 283K
Resolution 2.79 Å R-free 0.246

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.