2YOO

Cholest-4-en-3-one bound structure of CYP142 from Mycobacterium smegmatis

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)	P450 HEME-THIOLATE PROTEIN	polymer	407	45780.0	4	UniProt (A0R4Q6) Pfam (PF00067)	Mycobacterium smegmatis str. MC2 155	CYP142
2	E, G, J, L (A, B, C, D)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
3	F, H, K, M (A, B, C, D)	(8ALPHA,9BETA)-CHOLEST-4-EN-3-ONE	non-polymer		384.6	4	Chemie (K2B)
4	I (B)	MAGNESIUM ION	non-polymer		24.3	1	Chemie (MG)
5	N, O, P, Q (A, B, C, D)	water	water		18.0	1793	Chemie (HOH)

Sequence modifications

A, B, C, D: 4 - 401 (UniProt: A0R4Q6)

PDB	External Database	Details
Met 1	-	expression tag
Thr 2	-	expression tag
Gln 3	-	expression tag
His 402	-	expression tag
His 403	-	expression tag
His 404	-	expression tag
His 405	-	expression tag
His 406	-	expression tag
His 407	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	183120.0
Non-Polymers*	Number of molecules	9
	Total formula weight	4028.8
All*	Total formula weight	187148.9

*Water molecules are not included.