4D8T

Crystal structure of D-Cysteine desulfhydrase from Salmonella typhimurium at 2.2 A resolution

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	342	36778.8	4	UniProt (Q8ZNT7) Pfam (PF00291)	Salmonella typhimurium
2	E, H, K, M (A, B, C, D)	SULFATE ION	non-polymer		96.1	4	Chemie (SO4)
3	F (A)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
4	G, I, J, L, N (A, B, C, D)	BENZAMIDINE	non-polymer		120.2	5	Chemie (BEN)
5	O, P, Q, R (A, B, C, D)	water	water		18.0	450	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

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	147115.4
Non-Polymers*	Number of molecules	10
	Total formula weight	1020.5
All*	Total formula weight	148135.8

*Water molecules are not included.