ID H9NA36_OPHSP Unreviewed; 375 AA.
AC H9NA36;
DT 13-JUN-2012, integrated into UniProtKB/TrEMBL.
DT 13-JUN-2012, sequence version 1.
DT 27-MAR-2024, entry version 31.
DE RecName: Full=acyl-[acyl-carrier-protein] 4-desaturase {ECO:0000256|ARBA:ARBA00012015};
DE EC=1.14.19.11 {ECO:0000256|ARBA:ARBA00012015};
DE Flags: Fragment;
GN Name=sad1 {ECO:0000313|EMBL:AFF19424.1};
OS Ophrys sphegodes (Early spider orchid) (Arachnites aranifera).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; Liliopsida; Asparagales; Orchidaceae;
OC Orchidoideae; Orchideae; Orchidinae; Ophrys.
OX NCBI_TaxID=145953 {ECO:0000313|EMBL:AFF19424.1};
RN [1] {ECO:0000313|EMBL:AFF19424.1}
RP NUCLEOTIDE SEQUENCE.
RX PubMed=22916031; DOI=10.1371/journal.pgen.1002889;
RA Xu S., Schluter P.M., Grossniklaus U., Schiestl F.P.;
RT "The genetic basis of pollinator adaptation in a sexually deceptive
RT orchid.";
RL PLoS Genet. 8:E1002889-E1002889(2012).
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 H(+) + hexadecanoyl-[ACP] + O2 + 2 reduced [2Fe-2S]-
CC [ferredoxin] = (4Z)-hexadecenoyl-[ACP] + 2 H2O + 2 oxidized [2Fe-2S]-
CC [ferredoxin]; Xref=Rhea:RHEA:38043, Rhea:RHEA-COMP:9652, Rhea:RHEA-
CC COMP:10000, Rhea:RHEA-COMP:10001, Rhea:RHEA-COMP:11488,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:33737, ChEBI:CHEBI:33738, ChEBI:CHEBI:78483,
CC ChEBI:CHEBI:85919; EC=1.14.19.11;
CC Evidence={ECO:0000256|ARBA:ARBA00001006};
CC -!- COFACTOR:
CC Name=Fe cation; Xref=ChEBI:CHEBI:24875;
CC Evidence={ECO:0000256|PIRSR:PIRSR000346-1};
CC Note=Binds 2 iron ions per subunit. {ECO:0000256|PIRSR:PIRSR000346-1};
CC -!- COFACTOR:
CC Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC Evidence={ECO:0000256|ARBA:ARBA00001954};
CC -!- PATHWAY: Lipid metabolism; fatty acid metabolism.
CC {ECO:0000256|ARBA:ARBA00004872}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738}.
CC -!- SUBCELLULAR LOCATION: Plastid, chloroplast stroma
CC {ECO:0000256|ARBA:ARBA00004470}.
CC -!- SIMILARITY: Belongs to the fatty acid desaturase type 2 family.
CC {ECO:0000256|ARBA:ARBA00008749}.
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DR EMBL; JN413071; AFF19424.1; -; mRNA.
DR AlphaFoldDB; H9NA36; -.
DR UniPathway; UPA00199; -.
DR GO; GO:0009570; C:chloroplast stroma; IEA:UniProtKB-SubCell.
DR GO; GO:0045300; F:acyl-[acyl-carrier-protein] desaturase activity; IEA:InterPro.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006633; P:fatty acid biosynthetic process; IEA:UniProtKB-KW.
DR CDD; cd01050; Acyl_ACP_Desat; 1.
DR Gene3D; 1.10.620.20; Ribonucleotide Reductase, subunit A; 1.
DR InterPro; IPR005067; Fatty_acid_desaturase-2.
DR InterPro; IPR009078; Ferritin-like_SF.
DR InterPro; IPR012348; RNR-like.
DR PANTHER; PTHR31155; ACYL- ACYL-CARRIER-PROTEIN DESATURASE-RELATED; 1.
DR PANTHER; PTHR31155:SF9; STEAROYL-[ACYL-CARRIER-PROTEIN] 9-DESATURASE 7, CHLOROPLASTIC; 1.
DR Pfam; PF03405; FA_desaturase_2; 1.
DR PIRSF; PIRSF000346; Dlt9_acylACP_des; 1.
DR SUPFAM; SSF47240; Ferritin-like; 1.
PE 2: Evidence at transcript level;
KW Fatty acid biosynthesis {ECO:0000256|ARBA:ARBA00023160};
KW Fatty acid metabolism {ECO:0000256|ARBA:ARBA00022832};
KW Iron {ECO:0000256|PIRSR:PIRSR000346-1};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR000346-1};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946}.
FT BINDING 112
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 148
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 148
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 151
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 201
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 234
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 234
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 237
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT NON_TER 375
FT /evidence="ECO:0000313|EMBL:AFF19424.1"
SQ SEQUENCE 375 AA; 42646 MW; 98C2D16E93A05F12 CRC64;
MELHLALLAS PLPAASGRRS LPRRNFATNS TTSIINTHLS REIFRSLDSW TEHNLLAFLK
PVEKCWQPQD FLPDTSRLSL AELGDAVREM QERAAEIPDE VWVCMVGNMV TEEALPTYQS
SMSSVLNVGT GAGSRPWERW IRGWSAEENR HGDLLNKYLY LTGRLDMRQV EKTIQYLIGG
GMDVGLDDDP FCGIIYTCFQ EKATFISHGN TARLAKHHGD TTLAKICGLV AVDEKRHAAA
YTSFMRKLFE VDPNQSMLAF AHIMRARVTM PASRMFDGRD PQLFTHFSAV SQNIGVYSVR
DYGEMLEFFL KEWEISDVVD GLSPEGRRAQ EYVCGLPEVM RKVAERADDR RKKLVNASEP
RYIPFSWIFN KQVRV
//
