ID A0A2J6LDI7_LACSA Unreviewed; 583 AA.
AC A0A2J6LDI7;
DT 28-MAR-2018, integrated into UniProtKB/TrEMBL.
DT 28-MAR-2018, sequence version 1.
DT 24-JAN-2024, entry version 22.
DE RecName: Full=9-cis-epoxycarotenoid dioxygenase {ECO:0000256|ARBA:ARBA00039007};
DE EC=1.13.11.51 {ECO:0000256|ARBA:ARBA00039007};
GN ORFNames=LSAT_5X120740 {ECO:0000313|EMBL:PLY85380.1};
OS Lactuca sativa (Garden lettuce).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; campanulids; Asterales; Asteraceae; Cichorioideae; Cichorieae;
OC Lactucinae; Lactuca.
OX NCBI_TaxID=4236 {ECO:0000313|EMBL:PLY85380.1};
RN [1] {ECO:0000313|EMBL:PLY85380.1}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=28401891; DOI=10.1038/ncomms14953;
RA Reyes-Chin-Wo S., Wang Z., Yang X., Kozik A., Arikit S., Song C., Xia L.,
RA Froenicke L., Lavelle D.O., Truco M.J., Xia R., Zhu S., Xu C., Xu H.,
RA Xu X., Cox K., Korf I., Meyers B.C., Michelmore R.W.;
RT "Genome assembly with in vitro proximity ligation data and whole-genome
RT triplication in lettuce.";
RL Nat. Commun. 8:14953-14953(2017).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=9'-cis-neoxanthin + O2 = (3S,5R,6R)-3,5-dihydroxy-6,7-
CC didehydro-5,6-dihydro-12'-apo-beta-caroten-12'-al + 2-cis,4-trans-
CC xanthoxin; Xref=Rhea:RHEA:19677, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:32304, ChEBI:CHEBI:34596, ChEBI:CHEBI:35306;
CC EC=1.13.11.51; Evidence={ECO:0000256|ARBA:ARBA00036784};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=9-cis-violaxanthin + O2 = (3S,5R,6S)-5,6-epoxy-3-hydroxy-5,6-
CC dihydro-12'-apo-beta-caroten-12'-al + 2-cis,4-trans-xanthoxin;
CC Xref=Rhea:RHEA:16541, ChEBI:CHEBI:15379, ChEBI:CHEBI:32304,
CC ChEBI:CHEBI:34597, ChEBI:CHEBI:35305; EC=1.13.11.51;
CC Evidence={ECO:0000256|ARBA:ARBA00035929};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 9-cis-epoxycarotenoid + O2 = 2-cis,4-trans-xanthoxin + a
CC 12'-apo-carotenal; Xref=Rhea:RHEA:23328, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:32304, ChEBI:CHEBI:51972, ChEBI:CHEBI:51973;
CC EC=1.13.11.51; Evidence={ECO:0000256|ARBA:ARBA00036011};
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:PLY85380.1}.
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DR EMBL; NBSK01004285; PLY85380.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2J6LDI7; -.
DR STRING; 4236.A0A2J6LDI7; -.
DR EnsemblPlants; rna-gnl|WGS:NBSK|LSAT_5X120740_mrna; cds-PLY85380.1; gene-LSAT_5X120740.
DR Gramene; rna-gnl|WGS:NBSK|LSAT_5X120740_mrna; cds-PLY85380.1; gene-LSAT_5X120740.
DR OrthoDB; 318119at2759; -.
DR GO; GO:0009570; C:chloroplast stroma; IBA:GO_Central.
DR GO; GO:0010436; F:carotenoid dioxygenase activity; IBA:GO_Central.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0016121; P:carotene catabolic process; IBA:GO_Central.
DR InterPro; IPR004294; Carotenoid_Oase.
DR PANTHER; PTHR10543:SF26; 9-CIS-EPOXYCAROTENOID DIOXYGENASE NCED3, CHLOROPLASTIC; 1.
DR PANTHER; PTHR10543; BETA-CAROTENE DIOXYGENASE; 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}.
FT REGION 1..33
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT BINDING 281
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR604294-1"
FT BINDING 330
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR604294-1"
FT BINDING 395
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR604294-1"
FT BINDING 570
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_note="catalytic"
FT /evidence="ECO:0000256|PIRSR:PIRSR604294-1"
SQ SEQUENCE 583 AA; 64493 MW; D43287765917624A CRC64;
MATASTSSST IWANPNPRTT FSSSPKLPSS FSVSSRKKLK KISCALQSPS ILQFPKQSPF
QLPSSTPDSW NLLQKFSAMA LDAIENGLIE QEKKHALPKT ADPKVQISGN FSPVPEQSVR
HCLPVVGEIP EHVQGVYLRN GANPLFEPTS GHHLFDGDGM IYAVKFENGS ASFACRHTET
QRLVQERALG KPVFPKAIGE LHGHSGIAKL LLFYARGLCG LVDHSQGIGV ANAGLVYFNN
RLLAMSEDDL PYEVRVTPTG DLKTVGRYNF DEQLKSTMIA HPKLDPVSGE LFSLSYDVIQ
KPYLKYFRFS PDGTKSKDVA IDLAKPTMVH DFAITENFVV VPDHQVVFKM SEMITGGSPV
VYDKEKVSRF GVLDKYADDG SSIKWVEVPD CFCFHLWNAW EEPETDEVVV IGSCMTPADS
IFNENNEELK SVLSEIRLNL KTGKSTRRAI ISPENDVNLE AGMVNKNLLG RKSKYAYLAI
AEPWPKVSGF AKVDLSTGET KKFIYGNQKY GGEPLFLPRD PNSETEDDGH ILTFVHDEKT
WKSELQIVNA ITLQLEATVK LPSRVPYGFH GTFISANDLA TQA
//
