4D97

Salmonella typhimurium D-Cysteine desulfhydrase with D-ser bound at active site

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	D-cysteine desulfhydrase	polymer	346	37269.3	4	UniProt (Q8ZNT7) Pfam (PF00291)	Salmonella typhimurium
2	E, H, J (A, C, D)	BENZAMIDINE	non-polymer		120.2	3	Chemie (BEN)
3	F, G, I, K (A, B, C, D)	D-SERINE	non-polymer		105.1	4	Chemie (DSN)
4	L, M, N, O (A, B, C, D)	water	water		18.0	690	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 328 (UniProt: Q8ZNT7)

PDB	External Database	Details
Met -13	-	expression tag
Arg -12	-	expression tag
Gly -11	-	expression tag
Ser -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
Gly -3	-	expression tag
Met -2	-	expression tag
Ala -1	-	expression tag
Ser 0	-	expression tag
Thr 329	-	expression tag
Tyr 330	-	expression tag
Pro 331	-	expression tag
Glu 332	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	149077.4
Non-Polymers*	Number of molecules	7
	Total formula weight	780.8
All*	Total formula weight	149858.2

*Water molecules are not included.