1VWI

STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2, PH 1.5, I222 COMPLEX

Summary for 1VWI

Entry DOI	10.2210/pdb1vwi/pdb
Descriptor	STREPTAVIDIN, PEPTIDE LIGAND CONTAINING HPQ, PENTANOIC ACID, ... (4 entities in total)
Functional Keywords	complex (biotin-binding protein-peptide), linear thioether-containing peptide engineered, complex (biotin-binding protein-peptide) complex, complex (biotin-binding protein/peptide)
Biological source	Streptomyces avidinii
Cellular location	Secreted: P22629
Total number of polymer chains	4
Total formula weight	27860.35
Authors	Katz, B.A.,Cass, R.T. (deposition date: 1997-03-03, release date: 1998-03-18, Last modification date: 2011-07-27)
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: 9148939 DOI: 10.1074/jbc.272.20.13220 PDB entries with the same primary citation
Experimental method	X-RAY DIFFRACTION (1.5 Å)

Structure validation