Entry
Symbol
CYP17A
Name
Pathway
map04927 Cortisol synthesis and secretion
Module
M00109 C21-Steroid hormone biosynthesis, progesterone => cortisol/cortisone
M00110 C19/C18-Steroid hormone biosynthesis, pregnenolone => androstenedione => estrone
M00976 C19-Steroid hormone biosynthesis, pregnenolone => testosterone => dihydrotestosterone
M00977 C19-Steroid hormone biosynthesis (androgen backdoor pathway), pregnenolone => androsterone => dihydrotestosterone
Reaction
R02211 progesterone,NADPH-hemoprotein reductase:oxygen oxidoreductase (17alpha-hydroxylating)
R03783 pregnenolone,NADPH-hemoprotein reductase:oxygen oxidoreductase (17alpha-hydroxylating)
R04852 11beta-hydroxyprogesterone,NADPH-hemoprotein reductase:oxygen oxidoreductase (17alpha-hydroxylating)
R04853 20alpha-hydroxycholesterol,NADPH-hemoprotein reductase:oxygen oxidoreductase (17alpha-hydroxylating)
R08517 17alpha-hydroxypregnenolone,NADPH---hemoprotein reductase:oxygen oxidoreductase (17alpha-hydroxylating, acetate-releasing)
R08518 17alpha-hydroxyprogesterone,NADPH---hemoprotein reductase:oxygen oxidoreductase (17alpha-hydroxylating, acetate-releasing)
R13212 5alpha-pregnane-3,20-dione,NADPH---hemoprotein reductase:oxygen oxidoreductase (17alpha-hydroxylating)
R13213 allopregnanolone,NADPH---hemoprotein reductase:oxygen oxidoreductase (17alpha-hydroxylating)
R13218 5alpha-pregnane-3alpha,17alpha-diol-20-one,NADPH---hemoprotein reductase:oxygen oxidoreductase (17alpha-hydroxylating, acetate-releasing)
Disease
H00216 Congenital adrenal hyperplasia
Brite
KEGG Orthology (KO) [BR:ko00001 ]
09100 Metabolism
09103 Lipid metabolism
00140 Steroid hormone biosynthesis
K00512 CYP17A; steroid 17alpha-monooxygenase / 17alpha-hydroxyprogesterone deacetylase
09150 Organismal Systems
09152 Endocrine system
04913 Ovarian steroidogenesis
K00512 CYP17A; steroid 17alpha-monooxygenase / 17alpha-hydroxyprogesterone deacetylase
04917 Prolactin signaling pathway
K00512 CYP17A; steroid 17alpha-monooxygenase / 17alpha-hydroxyprogesterone deacetylase
04927 Cortisol synthesis and secretion
K00512 CYP17A; steroid 17alpha-monooxygenase / 17alpha-hydroxyprogesterone deacetylase
09160 Human Diseases
09167 Endocrine and metabolic disease
04934 Cushing syndrome
K00512 CYP17A; steroid 17alpha-monooxygenase / 17alpha-hydroxyprogesterone deacetylase
09180 Brite Hierarchies
09181 Protein families: metabolism
00199 Cytochrome P450
K00512 CYP17A; steroid 17alpha-monooxygenase / 17alpha-hydroxyprogesterone deacetylase
Enzymes [BR:ko01000 ]
1. Oxidoreductases
1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
1.14.14 With reduced flavin or flavoprotein as one donor, and incorporation of one atom of oxygen into the other donor
1.14.14.19 steroid 17alpha-monooxygenase
K00512 CYP17A; steroid 17alpha-monooxygenase / 17alpha-hydroxyprogesterone deacetylase
1.14.14.32 17alpha-hydroxyprogesterone deacetylase
K00512 CYP17A; steroid 17alpha-monooxygenase / 17alpha-hydroxyprogesterone deacetylase
Cytochrome P450 [BR:ko00199 ]
Cytochrome P450, animal type
CYP17 family
K00512 CYP17A; steroid 17alpha-monooxygenase / 17alpha-hydroxyprogesterone deacetylase
BRITE hierarchy
Other DBs
Genes
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Taxonomy UniProt
Reference
Authors
Chung BC, Picado-Leonard J, Haniu M, Bienkowski M, Hall PF, Shively JE, Miller WL
Title
Cytochrome P450c17 (steroid 17 alpha-hydroxylase/17,20 lyase): cloning of human adrenal and testis cDNAs indicates the same gene is expressed in both tissues.
Journal
Sequence
Reference
Authors
Zhou LY, Wang DS, Kobayashi T, Yano A, Paul-Prasanth B, Suzuki A, Sakai F, Nagahama Y
Title
A novel type of P450c17 lacking the lyase activity is responsible for C21-steroid biosynthesis in the fish ovary and head kidney.
Journal
Sequence
LinkDB
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