4ORE

Cyrstal structure of O-acetylserine sulfhydrylase ternary complex from Haemophilus influenzae at 2.2 A

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (X)	Cysteine synthase	polymer	333	35598.6	1	UniProt (P45040) Pfam (PF00291)	Haemophilus influenzae	CSase, O-acetylserine (thiol)-lyase, OAS-TL, O-acetylserine sulfhydrylase
2	B (A)	Peptide inhibitor	polymer	8	900.9	1
3	C (A)	O-ACETYLSERINE	non-polymer		147.1	1	Chemie (OAS)
4	D, E (X, A)	water	water		18.0	115	Chemie (HOH)

Sequence modifications

X: 1 - 316 (UniProt: P45040)

PDB	External Database	Details
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	36499.5
Non-Polymers*	Number of molecules	1
	Total formula weight	147.1
All*	Total formula weight	36646.6

*Water molecules are not included.