4TRI

X-ray crystal structure of CYP142A2 from Mycobacterium smegmatis, complexed with cholesterol sulfate.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	P450 heme-thiolate protein	polymer	407	45780.0	2	UniProt (A0R4Q6) Pfam (PF00067)	Mycobacterium smegmatis
2	C, G (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	D, F (A, B)	CHOLEST-5-EN-3-YL HYDROGEN SULFATE	non-polymer		466.7	2	Chemie (C3S)
4	E, H (A, B)	GLYCEROL	non-polymer		92.1	2	Chemie (GOL)
5	I, J (A, B)	water	water		18.0	718	Chemie (HOH)

Sequence modifications

A, B: 1 - 401 (UniProt: A0R4Q6)

PDB	External Database	Details
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	2
	Total formula weight	91560.0
Non-Polymers*	Number of molecules	6
	Total formula weight	2350.6
All*	Total formula weight	93910.6

*Water molecules are not included.