UniProtKB - O49505 (NCED2_ARATH)
Protein
9-cis-epoxycarotenoid dioxygenase NCED2, chloroplastic
Gene
NCED2
Organism
Arabidopsis thaliana (Mouse-ear cress)
Status
Functioni
Has a 11,12(11',12') 9-cis epoxycarotenoid cleavage activity. Catalyzes the first step of abscisic-acid biosynthesis from carotenoids.1 Publication
Catalytic activityi
- EC:1.13.11.51
- 9-cis-violaxanthin + O2 = (3S,5R,6S)-5,6-epoxy-3-hydroxy-5,6-dihydro-12'-apo-β-caroten-12'-al + 2-cis,4-trans-xanthoxinEC:1.13.11.51
- 9'-cis-neoxanthin + O2 = (3S,5R,6R)-3,5-dihydroxy-6,7-didehydro-5,6-dihydro-12'-apo-β-caroten-12'-al + 2-cis,4-trans-xanthoxinEC:1.13.11.51
Cofactori
Fe2+By similarityNote: Binds 1 Fe2+ ion per subunit.By similarity
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Metal bindingi | 280 | Iron; via tele nitrogenBy similarity | 1 | |
Metal bindingi | 329 | Iron; via tele nitrogenBy similarity | 1 | |
Metal bindingi | 394 | Iron; via tele nitrogenBy similarity | 1 | |
Metal bindingi | 570 | Iron; via tele nitrogenBy similarity | 1 |
GO - Molecular functioni
- 9-cis-epoxycarotenoid dioxygenase activity Source: TAIR
- carotenoid dioxygenase activity Source: GO_Central
- metal ion binding Source: UniProtKB-KW
GO - Biological processi
- abscisic acid biosynthetic process Source: TAIR
- carotene catabolic process Source: GO_Central
Keywordsi
Molecular function | Dioxygenase, Oxidoreductase |
Biological process | Abscisic acid biosynthesis |
Ligand | Iron, Metal-binding |
Enzyme and pathway databases
BioCyci | MetaCyc:AT4G18350-MONOMER |
BRENDAi | 1.13.11.51, 399 |
Names & Taxonomyi
Protein namesi | Recommended name: 9-cis-epoxycarotenoid dioxygenase NCED2, chloroplastic (EC:1.13.11.51)Short name: AtNCED2 |
Gene namesi | Name:NCED2 Ordered Locus Names:At4g18350 ORF Names:F28J12.10 |
Organismi | Arabidopsis thaliana (Mouse-ear cress) |
Taxonomic identifieri | 3702 [NCBI] |
Taxonomic lineagei | Eukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliopsida › eudicotyledons › Gunneridae › Pentapetalae › rosids › malvids › Brassicales › Brassicaceae › Camelineae › Arabidopsis |
Proteomesi |
|
Organism-specific databases
Araporti | AT4G18350 |
TAIRi | locus:2124489, AT4G18350 |
Subcellular locationi
Chloroplast
- chloroplast stroma 1 Publication
Note: Partially bound to the thylakoid.
Chloroplast
- chloroplast Source: GO_Central
- chloroplast stroma Source: TAIR
- chloroplast thylakoid membrane Source: TAIR
Keywords - Cellular componenti
Chloroplast, PlastidPTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Transit peptidei | 1 – ? | ChloroplastSequence analysis | ||
ChainiPRO_0000285990 | ? – 583 | 9-cis-epoxycarotenoid dioxygenase NCED2, chloroplastic |
Proteomic databases
PaxDbi | O49505 |
ProteomicsDBi | 251204 |
Expressioni
Tissue specificityi
Very low in all tissues. Expressed at the point of organ attachment and the abscission zones in the plant.2 Publications
Inductioni
Low induction by drought stress.1 Publication
Gene expression databases
ExpressionAtlasi | O49505, baseline and differential |
Genevisiblei | O49505, AT |
Family & Domainsi
Sequence similaritiesi
Belongs to the carotenoid oxygenase family.Curated
Keywords - Domaini
Transit peptidePhylogenomic databases
eggNOGi | KOG1285, Eukaryota |
HOGENOMi | CLU_016472_0_0_1 |
InParanoidi | O49505 |
OMAi | SEVIWVN |
OrthoDBi | 524712at2759 |
PhylomeDBi | O49505 |
Family and domain databases
InterProi | View protein in InterPro IPR004294, Carotenoid_Oase |
PANTHERi | PTHR10543, PTHR10543, 1 hit |
Pfami | View protein in Pfam PF03055, RPE65, 1 hit |
i Sequence
Sequence statusi: Complete.
: The displayed sequence is further processed into a mature form. Sequence processingi
O49505-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MVSLLTMPMS GGIKTWPQAQ IDLGFRPIKR QPKVIKCTVQ IDVTELTKKR
60 70 80 90 100
QLFTPRTTAT PPQHNPLRLN IFQKAAAIAI DAAERALISH EQDSPLPKTA
110 120 130 140 150
DPRVQIAGNY SPVPESSVRR NLTVEGTIPD CIDGVYIRNG ANPMFEPTAG
160 170 180 190 200
HHLFDGDGMV HAVKITNGSA SYACRFTKTE RLVQEKRLGR PVFPKAIGEL
210 220 230 240 250
HGHSGIARLM LFYARGLCGL INNQNGVGVA NAGLVYFNNR LLAMSEDDLP
260 270 280 290 300
YQLKITQTGD LQTVGRYDFD GQLKSAMIAH PKLDPVTKEL HALSYDVVKK
310 320 330 340 350
PYLKYFRFSP DGVKSPELEI PLETPTMIHD FAITENFVVI PDQQVVFKLG
360 370 380 390 400
EMISGKSPVV FDGEKVSRLG IMPKDATEAS QIIWVNSPET FCFHLWNAWE
410 420 430 440 450
SPETEEIVVI GSCMSPADSI FNERDESLRS VLSEIRINLR TRKTTRRSLL
460 470 480 490 500
VNEDVNLEIG MVNRNRLGRK TRFAFLAIAY PWPKVSGFAK VDLCTGEMKK
510 520 530 540 550
YIYGGEKYGG EPFFLPGNSG NGEENEDDGY IFCHVHDEET KTSELQIINA
560 570 580
VNLKLEATIK LPSRVPYGFH GTFVDSNELV DQL
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AL021710 Genomic DNA Translation: CAA16715.1 AL161548 Genomic DNA Translation: CAB78837.1 CP002687 Genomic DNA Translation: AEE84030.1 BT030365 mRNA Translation: ABO38778.1 |
PIRi | T04531 |
RefSeqi | NP_193569.1, NM_117945.3 |
Genome annotation databases
EnsemblPlantsi | AT4G18350.1; AT4G18350.1; AT4G18350 |
GeneIDi | 827562 |
Gramenei | AT4G18350.1; AT4G18350.1; AT4G18350 |
KEGGi | ath:AT4G18350 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | AL021710 Genomic DNA Translation: CAA16715.1 AL161548 Genomic DNA Translation: CAB78837.1 CP002687 Genomic DNA Translation: AEE84030.1 BT030365 mRNA Translation: ABO38778.1 |
PIRi | T04531 |
RefSeqi | NP_193569.1, NM_117945.3 |
3D structure databases
SMRi | O49505 |
ModBasei | Search... |
Protein-protein interaction databases
STRINGi | 3702.AT4G18350.1 |
Proteomic databases
PaxDbi | O49505 |
ProteomicsDBi | 251204 |
Genome annotation databases
EnsemblPlantsi | AT4G18350.1; AT4G18350.1; AT4G18350 |
GeneIDi | 827562 |
Gramenei | AT4G18350.1; AT4G18350.1; AT4G18350 |
KEGGi | ath:AT4G18350 |
Organism-specific databases
Araporti | AT4G18350 |
TAIRi | locus:2124489, AT4G18350 |
Phylogenomic databases
eggNOGi | KOG1285, Eukaryota |
HOGENOMi | CLU_016472_0_0_1 |
InParanoidi | O49505 |
OMAi | SEVIWVN |
OrthoDBi | 524712at2759 |
PhylomeDBi | O49505 |
Enzyme and pathway databases
BioCyci | MetaCyc:AT4G18350-MONOMER |
BRENDAi | 1.13.11.51, 399 |
Miscellaneous databases
PROi | PR:O49505 |
Gene expression databases
ExpressionAtlasi | O49505, baseline and differential |
Genevisiblei | O49505, AT |
Family and domain databases
InterProi | View protein in InterPro IPR004294, Carotenoid_Oase |
PANTHERi | PTHR10543, PTHR10543, 1 hit |
Pfami | View protein in Pfam PF03055, RPE65, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | NCED2_ARATH | |
Accessioni | O49505Primary (citable) accession number: O49505 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | May 1, 2007 |
Last sequence update: | June 1, 1998 | |
Last modified: | February 10, 2021 | |
This is version 119 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Plant Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Reference proteomeDocuments
- Arabidopsis thaliana
Arabidopsis thaliana: entries and gene names - SIMILARITY comments
Index of protein domains and families