7MK8

Crystal structure of a surface mutant of human fetal-specific CYP3A7 bound to dithiothreitol

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)	Isoform 2 of Cytochrome P450 3A7	polymer	519	59614.3	2	UniProt (P24462-2) Pfam (PF00067) UniProt (by SIFTS) (P24462)	Homo sapiens (Human)	CYPIIIA7,Cytochrome P450-HFLA,P450HLp2
2	C, G (A, B)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	2	Chemie (HEM)
3	D, F, H (A, B)	SULFATE ION	non-polymer		96.1	3	Chemie (SO4)
4	E, I (A, B)	(2S,3S)-1,4-DIMERCAPTOBUTANE-2,3-DIOL	non-polymer		154.3	2	Chemie (DTV)
5	J, K (A, B)	water	water		18.0	229	Chemie (HOH)

Sequence modifications

A, B: 21 - 535 (UniProt: P24462-2)

PDB	External Database	Details
-	Leu 3	deletion
-	Ile 4	deletion
-	Pro 5	deletion
-	Asn 6	deletion
-	Leu 7	deletion
-	Ala 8	deletion
-	Val 9	deletion
-	Glu 10	deletion
-	Thr 11	deletion
-	Trp 12	deletion
-	Leu 13	deletion
-	Leu 14	deletion
-	Leu 15	deletion
-	Ala 16	deletion
-	Val 17	deletion
-	Ser 18	deletion
-	Leu 19	deletion
-	Ile 20	deletion
-	Leu 21	deletion
-	Leu 22	deletion
Gly 69	Arg 69	engineered mutation
Gly 77	Cys 77	engineered mutation
Glu 244	Lys 244	engineered mutation
Ala 421	Lys 421	engineered mutation
Ala 422	Lys 422	engineered mutation
Ala 424	Lys 424	engineered mutation
His 536	-	expression tag
His 537	-	expression tag
His 538	-	expression tag
His 539	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	119228.6
Non-Polymers*	Number of molecules	7
	Total formula weight	1829.7
All*	Total formula weight	121058.3

*Water molecules are not included.