ID A0A1Q3CTX6_CEPFO Unreviewed; 251 AA.
AC A0A1Q3CTX6;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 27-MAR-2024, entry version 18.
DE RecName: Full=carotenoid 9,10-dioxygenase {ECO:0000256|ARBA:ARBA00039084};
DE EC=1.14.99.n4 {ECO:0000256|ARBA:ARBA00039084};
DE Flags: Fragment;
GN ORFNames=CFOL_v3_26970 {ECO:0000313|EMBL:GAV83523.1};
OS Cephalotus follicularis (Albany pitcher plant).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC rosids; fabids; Oxalidales; Cephalotaceae; Cephalotus.
OX NCBI_TaxID=3775 {ECO:0000313|EMBL:GAV83523.1, ECO:0000313|Proteomes:UP000187406};
RN [1] {ECO:0000313|Proteomes:UP000187406}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=cv. St1 {ECO:0000313|Proteomes:UP000187406};
RA Fukushima K., Hasebe M., Fang X.;
RT "Cephalotus genome sequencing.";
RL Submitted (APR-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=all-trans-zeaxanthin + 2 O2 = 2 (3R)-hydroxy-beta-ionone +
CC 4,9-dimethyldodeca-2,4,6,8,10-pentaenedial; Xref=Rhea:RHEA:26393,
CC ChEBI:CHEBI:15379, ChEBI:CHEBI:27547, ChEBI:CHEBI:53171,
CC ChEBI:CHEBI:53173; EC=1.14.99.n4;
CC Evidence={ECO:0000256|ARBA:ARBA00036367};
CC -!- COFACTOR:
CC Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC Evidence={ECO:0000256|PIRSR:PIRSR604294-1};
CC Note=Binds 1 Fe(2+) ion per subunit. {ECO:0000256|PIRSR:PIRSR604294-1};
CC -!- SIMILARITY: Belongs to the carotenoid oxygenase family.
CC {ECO:0000256|ARBA:ARBA00006787}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:GAV83523.1}.
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DR EMBL; BDDD01002917; GAV83523.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1Q3CTX6; -.
DR STRING; 3775.A0A1Q3CTX6; -.
DR InParanoid; A0A1Q3CTX6; -.
DR OrthoDB; 684464at2759; -.
DR Proteomes; UP000187406; Unassembled WGS sequence.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0016702; F:oxidoreductase activity, acting on single donors with incorporation of molecular oxygen, incorporation of two atoms of oxygen; IEA:InterPro.
DR InterPro; IPR004294; Carotenoid_Oase.
DR PANTHER; PTHR10543; BETA-CAROTENE DIOXYGENASE; 1.
DR PANTHER; PTHR10543:SF89; CAROTENOID 9,10(9',10')-CLEAVAGE DIOXYGENASE 1; 1.
DR Pfam; PF03055; RPE65; 1.
PE 3: Inferred from homology;
KW Dioxygenase {ECO:0000256|ARBA:ARBA00022964};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|PIRSR:PIRSR604294-1};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723,
KW ECO:0000256|PIRSR:PIRSR604294-1};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002};
KW Reference proteome {ECO:0000313|Proteomes:UP000187406}.
FT BINDING 48
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR604294-1"
FT BINDING 237
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR604294-1"
FT NON_TER 1
FT /evidence="ECO:0000313|EMBL:GAV83523.1"
SQ SEQUENCE 251 AA; 28260 MW; A63DA7EEB89C083A CRC64;
FNFQEMVKEN KLAFTFDESK NARFGVLPRC AKNEVQIRFE LPNCFIFHNA NAWEGGEIVL
ITCRINKPDS DMVNGVVKEK LENFSNELYE MRFNMKTGLA SQKKLSEYAV DFHRVNECYT
GRKKRYVYGT ILDSIAKVKG IAKFDLHAEP EAGKTKIEVG GNVKGIFDLG PGRFGSKAIF
VPREAGTNSE EDDGYLIHFL HDECSGKYSG NVIDAKTMSA DPVVVVELPT RVPYGFHAFF
VTEVSIIKFT A
//
