4L36

Crystal structure of the cytochrome P450 enzyme TxtE

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)	Putative P450-like protein	polymer	426	47004.3	2	UniProt (C9ZDC6) Pfam (PF00067)	Streptomyces scabiei	TxtE
2	C, F (A, B)	HEME B/C	non-polymer		618.5	2	Chemie (HEB)
3	D, E, G (A, B)	IMIDAZOLE	non-polymer		69.1	3	Chemie (IMD)
4	H, I (A, B)	water	water		18.0	339	Chemie (HOH)

Sequence modifications

A, B: 1 - 406 (UniProt: C9ZDC6)

PDB	External Database	Details
Met -19	-	expression tag
Gly -18	-	expression tag
Ser -17	-	expression tag
Ser -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
Ser -9	-	expression tag
Ser -8	-	expression tag
Gly -7	-	expression tag
Leu -6	-	expression tag
Val -5	-	expression tag
Pro -4	-	expression tag
Arg -3	-	expression tag
Gly -2	-	expression tag
Ser -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	94008.6
Non-Polymers*	Number of molecules	5
	Total formula weight	1444.3
All*	Total formula weight	95452.8

*Water molecules are not included.