1VWL

STREPTAVIDIN-CYCLO-[5-S-VALERAMIDE-HPQGPPC]K-NH2, PH 3.5, I222 COMPLEX

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, D)	STREPTAVIDIN	polymer	123	12965.0	2	UniProt (P22629) Pfam (PF01382)	Streptomyces avidinii
2	C, D (M, P)	PEPTIDE LIGAND CONTAINING HPQ	polymer	9	863.0	2		Bothrops insularis (island jararaca)
3	E, F (M, P)	PENTANOIC ACID	non-polymer		102.1	2	Chemie (LEA)
4	G, H, I, J (B, D, M, P)	water	water		18.0	185	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	27656.1
Non-Polymers*	Number of molecules	2
	Total formula weight	204.3
All*	Total formula weight	27860.3

*Water molecules are not included.