1WKV

Crystal structure of O-phosphoserine sulfhydrylase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	cysteine synthase	polymer	389	42025.9	2	UniProt (Q9YBL2) Pfam (PF00291)	Aeropyrum pernix	O-phosphoserine sulfhydrylase
2	C, E (A, B)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT)
3	D, F (A, B)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
4	G, H (A, B)	water	water		18.0	634	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	84051.7
Non-Polymers*	Number of molecules	4
	Total formula weight	612.4
All*	Total formula weight	84664.1

*Water molecules are not included.