KEGG   ORTHOLOGY: K09836
Entry
K09836                      KO                                     
Symbol
crtW, BKT
Name
beta-carotene/zeaxanthin 4-ketolase [EC:1.14.99.63 1.14.99.64]
Pathway
map00906  Carotenoid biosynthesis
map01110  Biosynthesis of secondary metabolites
Reaction
R05345  beta-carotene,donor:oxygen oxidoreductase (echinenone-forming)
R07549  
R07557  (3R,2'S)-myxol 2'-alpha-L-fucoside,donor:oxygen oxidoreductase
R07563  echinenone,donor:oxygen oxidoreductase (canthaxanthin-forming)
R07564  beta-cryptoxanthin,donor:oxygen oxidoreductase (3'-hydroxyechinenone-forming)
R07565  beta-cryptoxanthin,donor:oxygen oxidoreductase (3-hydroxyechinenone-forming)
R07566  3'-hydroxyechinenone,donor:oxygen oxidoreductase (phoenicoxanthin-forming)
R07567  3-hydroxyechinenone,donor:oxygen oxidoreductase (phoenicoxanthin-forming)
R07571  zeaxanthin,donor:oxygen oxidoreductase (adonixanthin-forming)
R07573  adonixanthin,donor:oxygen oxidoreductase (astaxanthin-forming)
Brite
KEGG Orthology (KO) [BR:ko00001]
 09100 Metabolism
  09109 Metabolism of terpenoids and polyketides
   00906 Carotenoid biosynthesis
    K09836  crtW, BKT; beta-carotene/zeaxanthin 4-ketolase
Enzymes [BR:ko01000]
 1. Oxidoreductases
  1.14  Acting on paired donors, with incorporation or reduction of molecular oxygen
   1.14.99  Miscellaneous
    1.14.99.63  beta-carotene 4-ketolase
     K09836  crtW, BKT; beta-carotene/zeaxanthin 4-ketolase
    1.14.99.64  zeaxanthin 4-ketolase
     K09836  crtW, BKT; beta-carotene/zeaxanthin 4-ketolase
Other DBs
COG: COG3239
Genes
CRE: CHLRE_04g215000v5
VCN: VOLCADRAFT_127303(cbk1)
MNG: MNEG_0808
RTA: Rta_07690
PECT: BN1012_Phect1197
NEO: CYG48_21980
BRA: BRADO6505(crtW)
DRH: JI748_12795
JAV: OXU80_11185
ACUT: MRB58_16345
STAX: MC45_05465
ELI: ELI_03320
MXA: MXAN_6049
CCX: COCOR_06583(crtW)
SYG: sync_1804
SYNR: KR49_01350
SYW: SYNW1368
CYL: AA637_00845(crtW)
SYP: SYNPCC7002_A2809(crtW)
SYNN: NIES970_00110(crtW)
GVI: gll1728(crtO)
GLJ: GKIL_3296
ANA: alr3189
NSH: GXM_04354
NSP: BMF81_04508(crtW)
CTHE: Chro_2833
ANF: AQPE_1619
FAE: FAES_3517(crtO)
HSW: Hsw_1159
IAL: IALB_0392
AG: ABB88952(crtW) ACT35387(BKT) AEM45620(BKT)
 » show all
Reference
PMID:15811329 (G.violaceus)
  Authors
Tsuchiya T, Takaichi S, Misawa N, Maoka T, Miyashita H, Mimuro M.
  Title
The cyanobacterium Gloeobacter violaceus PCC 7421 uses bacterial-type phytoene desaturase in carotenoid biosynthesis.
  Journal
FEBS Lett 579:2125-9 (2005)
DOI:10.1016/j.febslet.2005.02.066
Reference
  Authors
Tao L, Yao H, Kasai H, Misawa N, Cheng Q
  Title
A carotenoid synthesis gene cluster from Algoriphagus sp. KK10202C with a novel fusion-type lycopene beta-cyclase gene.
  Journal
Mol Genet Genomics 276:79-86 (2006)
DOI:10.1007/s00438-006-0121-0
  Sequence
Reference
  Authors
Kathiresan S, Chandrashekar A, Ravishankar GA, Sarada R
  Title
Regulation of astaxanthin and its intermediates through cloning and genetic transformation of beta-carotene ketolase in Haematococcus pluvialis.
  Journal
J Biotechnol 196-197:33-41 (2015)
DOI:10.1016/j.jbiotec.2015.01.006
  Sequence
Reference
  Authors
Huang J, Zhong Y, Sandmann G, Liu J, Chen F
  Title
Cloning and selection of carotenoid ketolase genes for the engineering of high-yield astaxanthin in plants.
  Journal
Planta 236:691-9 (2012)
DOI:10.1007/s00425-012-1654-6
  Sequence
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