1UNS

IDENTIFICATION OF A SECONDARY ZINC-BINDING SITE IN STAPHYLOCOCCAL ENTEROTOXIN C2: IMPLICATIONS FOR SUPERANTIGEN RECOGNITION

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	ENTEROTOXIN TYPE C-2	polymer	239	27623.0	1	UniProt (P34071) Pfam (PF01123) Pfam (PF02876) In PDB	STAPHYLOCOCCUS AUREUS	STAPHYLOCOCCAL ENTEROTOXIN C2, SEC2
2	A	ZINC ION	non-polymer		65.4	2	Chemie (ZN)
3		water	water		18.0	77	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	27623.0
Non-Polymers*	Number of molecules	2
	Total formula weight	130.8
All*	Total formula weight	27753.8

*Water molecules are not included.