1P3W

X-ray crystal structure of E. coli IscS

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (B, A)	Cysteine desulfurase	polymer	404	45149.5	2	UniProt (P0A6B7) Pfam (PF00266)	Escherichia coli	ThiI transpersulfidase, NifS protein homolog
2	C, D (B, A)	PYRIDOXAL-5'-PHOSPHATE	non-polymer		247.1	2	Chemie (PLP)
3	E, F (B, A)	water	water		18.0	625	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	90299.0
Non-Polymers*	Number of molecules	2
	Total formula weight	494.3
All*	Total formula weight	90793.2

*Water molecules are not included.