1SLE

STREPTAVIDIN, PH 5.0, BOUND TO CYCLIC PEPTIDE AC-CHPQGPPC-NH2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, D	STREPTAVIDIN	polymer	135	14181.3	2	UniProt (P22629) Pfam (PF01382) In PDB	Streptomyces avidinii
2	M, P	AC-CHPQGPPC-NH2	polymer	10	863.0	2
3		water	water		18.0	130	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	30088.7
All*	Total formula weight	30088.7

*Water molecules are not included.