6U1Z

Crystal Structure of Ketosteroid Isomerase from Pseudomonas Putida (pKSI) at 280 K

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	B, A	Steroid Delta-isomerase	polymer	131	14548.5	2	UniProt (P07445) Pfam (PF12680) In PDB	Pseudomonas putida	Delta(5)-3-ketosteroid isomerase
2	B	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
3	B, A	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4		water	water		18.0	148	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	29097.0
Non-Polymers*	Number of molecules	3
	Total formula weight	95.2
All*	Total formula weight	29192.2

*Water molecules are not included.