5XCN

Crystal structure of M120A mutant of O-acetyl-L-serine sulfahydrylase from Haemophilus influenzae

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	X	Cysteine synthase	polymer	350	37144.3	1	UniProt (P45040) Pfam (PF00291) In PDB	Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd)	CSase,O-acetylserine (thiol)-lyase,OAS-TL,O-acetylserine sulfhydrylase
2		water	water		18.0	235	Chemie (HOH)

Sequence modifications

X: 1 - 316 (UniProt: P45040)

PDB	External Database	Details
Met -33	-	expression tag
Gly -32	-	expression tag
Ser -31	-	expression tag
Ser -30	-	expression tag
His -29	-	expression tag
His -28	-	expression tag
His -27	-	expression tag
His -26	-	expression tag
His -25	-	expression tag
His -24	-	expression tag
Ser -23	-	expression tag
Ser -22	-	expression tag
Gly -21	-	expression tag
Leu -20	-	expression tag
Val -19	-	expression tag
Pro -18	-	expression tag
Arg -17	-	expression tag
Gly -16	-	expression tag
Ser -15	-	expression tag
His -14	-	expression tag
Met -13	-	expression tag
Ala -12	-	expression tag
Ser -11	-	expression tag
Met -10	-	expression tag
Thr -9	-	expression tag
Gly -8	-	expression tag
Gly -7	-	expression tag
Gln -6	-	expression tag
Gln -5	-	expression tag
Met -4	-	expression tag
Gly -3	-	expression tag
Arg -2	-	expression tag
Gly -1	-	expression tag
Ser 0	-	expression tag
Ala 120	Met 120	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	37144.3
All*	Total formula weight	37144.3

*Water molecules are not included.