Any feedback?
Please rate this page
(all_enzymes.php)
(0/150)

BRENDA support

1.14.15.24: beta-carotene 3-hydroxylase

This is an abbreviated version!
For detailed information about beta-carotene 3-hydroxylase, go to the full flat file.

Word Map on EC 1.14.15.24

Reaction

beta-carotene
+ 2 reduced ferredoxin [iron-sulfur] cluster +
H+
 +
O2
=
beta-cryptoxanthin
 + 2 oxidized ferredoxin [iron-sulfur] cluster +
H2O

Synonyms

AtB1, AtB2, BCH, BCH-type carotene hydroxylase, BCH1, BCH2, beta-carotene (beta,beta-carotene) 3-hydrocylase, beta-carotene 3,3'-hydroxylase, beta-carotene 3-hydroxylase, beta-carotene hydroxylase, beta-carotene hydroxylase 2, beta-carotene oxygenase, beta-hydroxylase, beta-hydroxylase (b1,b2), beta-hydroxylases 1, beta-hydroxylases 2, beta-ring 3(3')-hydroxylase, betaOHase, Bhy, carotene beta hydroxylase 2, carotene ring hydroxylase, carotenoid (beta-ionone ring) 3,3'-hydroxylase, carotenoid 3,(3')-beta-ionone ring hydroxylase, carotenoid 3,3'-hydroxylase, carotenoid beta-ring hydroxylase, carotenoid hydroxylase, carotenoid hydroxylase 2, Chx, CHX1, CHX2, Chy, CHY-beta, CHY1, CHY1/2, CHY2, Chyb, CrtH1, CrtR-B, CrtR-b2, crtRB1, crtS, CrtZ, CrtZ-2, CYP175A1, CYP97A, CYP97a3, CYP97A4, CYP97C1, DSM2, EC 1.14.13.129, HYD, L-carotene hydroxylase, LUT1, LUT5

ECTree

     1 Oxidoreductases
         1.14 Acting on paired donors, with incorporation or reduction of molecular oxygen
             1.14.15 With reduced iron-sulfur protein as one donor, and incorporation of one atom of oxygen into the other donor
                1.14.15.24 beta-carotene 3-hydroxylase

Substrates Products

Substrates Products on EC 1.14.15.24 - beta-carotene 3-hydroxylase

Please wait a moment until all data is loaded. This message will disappear when all data is loaded.
SUBSTRATE
PRODUCT                       
REACTION DIAGRAM
ORGANISM
UNIPROT
COMMENTARY
(Substrate) hide
LITERATURE
(Substrate)
COMMENTARY
(Product) hide
LITERATURE
(Product)
Reversibility
r=reversible
ir=irreversible
?=not specified
3'-hydroxyechinenone + reduced ferredoxin [iron-sulfur] cluster + H+ + O2
4-ketozeaxanthin + oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
-
-
4-ketozeaxanthin is adonixanthin
-
?
3'-hydroxyechinenone + reduced ferredoxin [iron-sulfur] cluster + H+ + O2
adonixanthin + oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
3-hydroxyechinenone + reduced ferredoxin [iron-sulfur] cluster + H+ + O2
4-ketozeaxanthin + oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
adonirubin + reduced acceptor + H+ + O2
astaxanthin + acceptor + H2O
show the reaction diagram
alpha-carotene + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2
zeinoxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
show the reaction diagram
-
-
-
?
alpha-carotene + reduced acceptor + H+ + O2
lutein + acceptor + H2O
show the reaction diagram
-
-
-
-
?
alpha-carotene + reduced acceptor + H+ + O2
zeinoxanthin + acceptor + H2O
show the reaction diagram
beta-carotene + 2 NADH + H+ + O2
zeaxanthin + 2 NAD+ + 2 H2O
show the reaction diagram
-
overall reaction
-
-
?
beta-carotene + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
beta-cryptoxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
beta-carotene + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
cryptoxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
beta-carotene + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
zeinoxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
-
the enzyme prefers alpha-carotene over beta-carotene as a substrate
-
-
?
beta-carotene + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2
zeaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
show the reaction diagram
beta-carotene + 4 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
zeaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
beta-carotene + NADPH + H+ + O2
zeaxanthin + NADP+ + H2O
show the reaction diagram
-
overall reaction, the enzymes possess smaller ability to convert beta-carotene to zeaxanthin than canthaxanthin to astaxanthin
-
-
?
beta-carotene + reduced acceptor + o2
astaxanthin + acceptor + H2O
show the reaction diagram
beta-carotene + reduced ferredoxin [iron-sulfur] cluster + H+ + O2
?
show the reaction diagram
beta-carotene + reduced ferredoxin [iron-sulfur] cluster + H+ + O2
beta-cryptoxanthin + oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
beta-carotene + reduced ferredoxin [iron-sulfur] cluster + H+ + O2
zeaxanthin + oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
beta-cryptoxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
zeaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
beta-cryptoxanthin + reduced ferredoxin [iron-sulfur] cluster + H+ + O2
zeaxanthin + oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
beta-zeacarotene + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
hydroxy-beta-zeacarotene + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
beta-zeacarotene is 7',8'-dihydro-beta,psi-carotene
hydroxy-beta-zeacarotene is 7',8'-dihydro-beta,psi-carotene-3-ol
-
?
canthaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
adonirubin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
canthaxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
phoenicoxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
canthaxanthin + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2
astaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
show the reaction diagram
cryptoxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
zeaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
echinenone + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
3'-hydroxyechinenone + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
echinenone + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
3-hydroxyechinenone + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
-
echinenone is beta,beta-carotene-4-one
-
-
?
echinenone + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2
3'-hydroxyechinenone + 3-hydroxyechinenone + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
show the reaction diagram
echinenone + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2
4-ketozeaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
show the reaction diagram
-
conversion occurs via 3- and 3'-hydroxyechinenone
-
-
?
phoenicoxanthin + 2 reduced ferredoxin [iron-sulfur] cluster + H+ + O2
astaxanthin + 2 oxidized ferredoxin [iron-sulfur] cluster + H2O
show the reaction diagram
-
-
-
?
phoenicoxanthin + 4 reduced ferredoxin [iron-sulfur] cluster + 2 H+ + 2 O2
astaxanthin + 4 oxidized ferredoxin [iron-sulfur] cluster + 2 H2O
show the reaction diagram
additional information
?
-