4ISY

Crystal structure of IscS from Mycobacterium tuberculosis

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)	Cysteine desulfurase	polymer	404	42496.8	4	UniProt (O53272) Pfam (PF00266) UniProt (by SIFTS) (P9WQ71)	Mycobacterium tuberculosis
2	E, F, G, H, I... (A, B, C)	GLYCEROL	non-polymer		92.1	8	Chemie (GOL)
3	J (C)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	N, O, P, Q (A, B, C, D)	water	water		18.0	271	Chemie (HOH)

Sequence modifications

A, B, C, D: 2 - 393 (UniProt: O53272)

PDB	External Database	Details
Met -10	-	expression tag
Arg -9	-	expression tag
Gly -8	-	expression tag
Ser -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
Gly 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	169987.1
Non-Polymers*	Number of molecules	9
	Total formula weight	832.8
All*	Total formula weight	170819.9

*Water molecules are not included.