1VWG

STREPTAVIDIN COMPLEXED WITH THE HEAD-TO-TAIL DISULFIDE-BONDED PEPTIDE DIMER OF CYCLO-AC-[CHPQGPPC]-NH2, PH 2.5

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B	STREPTAVIDIN	polymer	123	12965.0	1	UniProt (P22629) Pfam (PF01382) In PDB	Streptomyces avidinii
2	P	PEPTIDE LIGAND CONTAINING HPQ	polymer	10	863.0	1
3		water	water		18.0	56	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	13828.0
All*	Total formula weight	13828.0

*Water molecules are not included.