1VWG
STREPTAVIDIN COMPLEXED WITH THE HEAD-TO-TAIL DISULFIDE-BONDED PEPTIDE DIMER OF CYCLO-AC-[CHPQGPPC]-NH2, PH 2.5
Summary for 1VWG
Entry DOI | 10.2210/pdb1vwg/pdb |
Descriptor | STREPTAVIDIN, PEPTIDE LIGAND CONTAINING HPQ (3 entities in total) |
Functional Keywords | complex (biotin-binding protein-peptide), cyclic peptide discovered by phage display, complex (biotin-binding protein-peptide) complex, complex (biotin-binding protein/peptide) |
Biological source | Streptomyces avidinii |
Cellular location | Secreted: P22629 |
Total number of polymer chains | 2 |
Total formula weight | 13828.04 |
Authors | Katz, B.A.,Cass, R.T. (deposition date: 1997-03-03, release date: 1998-03-18, Last modification date: 2024-06-05) |
Primary citation | Katz, B.A.,Cass, R.T. In crystals of complexes of streptavidin with peptide ligands containing the HPQ sequence the pKa of the peptide histidine is less than 3.0. J.Biol.Chem., 272:13220-13228, 1997 Cited by PubMed: 9148939DOI: 10.1074/jbc.272.20.13220 PDB entries with the same primary citation |
Experimental method | X-RAY DIFFRACTION (1.46 Å) |
Structure validation
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