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UniProt functional annotation for P22337 | ||
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| UniProt code: P22337. |
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| Organism: | |
Ricinus communis (Castor bean). |
| Taxonomy: | |
Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta; Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae; rosids; fabids; Malpighiales; Euphorbiaceae; Acalyphoideae; Acalypheae; Ricinus. |
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| Function: | |
Converts stearoyl-ACP to oleoyl-ACP by introduction of a cis double bond between carbons 9 and 10 of the acyl chain. {ECO:0000269|PubMed:17088542, ECO:0000269|PubMed:21930947}. |
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| Catalytic activity: | |
Reaction=2 H(+) + O2 + octadecanoyl-[ACP] + 2 reduced [2Fe-2S]- [ferredoxin] = (9Z)-octadecenoyl-[ACP] + 2 H2O + 2 oxidized [2Fe-2S]- [ferredoxin]; Xref=Rhea:RHEA:11776, Rhea:RHEA-COMP:9656, Rhea:RHEA- COMP:9924, Rhea:RHEA-COMP:10000, Rhea:RHEA-COMP:10001, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, ChEBI:CHEBI:78495, ChEBI:CHEBI:78783; EC=1.14.19.2; Evidence={ECO:0000269|PubMed:17088542, ECO:0000269|PubMed:21930947}; |
| Cofactor: | |
Name=Fe(2+); Xref=ChEBI:CHEBI:29033; Evidence={ECO:0000269|PubMed:12704186, ECO:0000269|PubMed:17088542, ECO:0000269|PubMed:8861937}; Note=Binds 2 Fe(2+) ions per subunit. {ECO:0000269|PubMed:12704186, ECO:0000269|PubMed:17088542, ECO:0000269|PubMed:8861937}; |
| Pathway: | |
Lipid metabolism; fatty acid metabolism. |
| Subunit: | |
Homodimer. {ECO:0000269|PubMed:12704186, ECO:0000269|PubMed:17088542, ECO:0000269|PubMed:8861937}. |
| Subcellular location: | |
Plastid, chloroplast. Plastid. Note=In green tissue, found in chloroplasts. In non-photosynthetic tissue, found in plastids. |
| Tissue specificity: | |
Higher levels in developing seeds than in leaf and root tissues. |
| Similarity: | |
Belongs to the fatty acid desaturase type 2 family. {ECO:0000305}. |
| Sequence caution: | |
Sequence=AAA74692.1; Type=Erroneous initiation; Note=Extended N-terminus.; Evidence={ECO:0000305}; |
Annotations taken from UniProtKB at the EBI.