ID Q43140_SESIN Unreviewed; 396 AA.
AC Q43140;
DT 01-NOV-1996, integrated into UniProtKB/TrEMBL.
DT 01-NOV-1996, sequence version 1.
DT 22-FEB-2023, entry version 99.
DE RecName: Full=Acyl-[acyl-carrier-protein] desaturase {ECO:0000256|ARBA:ARBA00030374, ECO:0000256|RuleBase:RU000582};
DE EC=1.14.19.- {ECO:0000256|RuleBase:RU000582};
OS Sesamum indicum (Oriental sesame) (Sesamum orientale).
OC Eukaryota; Viridiplantae; Streptophyta; Embryophyta; Tracheophyta;
OC Spermatophyta; Magnoliopsida; eudicotyledons; Gunneridae; Pentapetalae;
OC asterids; lamiids; Lamiales; Pedaliaceae; Sesamum.
OX NCBI_TaxID=4182 {ECO:0000313|EMBL:BAA07681.1};
RN [1] {ECO:0000313|EMBL:BAA07681.1}
RP NUCLEOTIDE SEQUENCE.
RC STRAIN=4294 {ECO:0000313|EMBL:BAA07681.1};
RX PubMed=8665096;
RA Yukawa Y., Takaiwa F., Shoji K., Masuda K., Yamada K.;
RT "Structure and expression of two seed-specific cDNA clones encoding
RT stearoyl-acyl carrier protein desaturase from sesame, Sesamum indicum L.";
RL Plant Cell Physiol. 37:201-205(1996).
CC -!- FUNCTION: Introduction of a cis double bond between carbons of the acyl
CC chain. {ECO:0000256|RuleBase:RU000582}.
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|RuleBase:RU000582};
CC Note=Binds 2 Fe(2+) ions per subunit. {ECO:0000256|RuleBase:RU000582};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|ARBA:ARBA00011738,
CC ECO:0000256|RuleBase:RU000582}.
CC -!- SUBCELLULAR LOCATION: Plastid {ECO:0000256|ARBA:ARBA00004474}.
CC -!- SIMILARITY: Belongs to the fatty acid desaturase type 2 family.
CC {ECO:0000256|ARBA:ARBA00008749, ECO:0000256|RuleBase:RU000582}.
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DR EMBL; D42086; BAA07681.1; -; mRNA.
DR AlphaFoldDB; Q43140; -.
DR SMR; Q43140; -.
DR GO; GO:0009507; C:chloroplast; IEA:UniProtKB-KW.
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; IPR005803; FADS-2_CS.
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.
DR PROSITE; PS00574; FATTY_ACID_DESATUR_2; 1.
PE 2: Evidence at transcript level;
KW Chloroplast {ECO:0000256|RuleBase:RU000582};
KW Fatty acid biosynthesis {ECO:0000256|ARBA:ARBA00023160,
KW ECO:0000256|RuleBase:RU000582};
KW Fatty acid metabolism {ECO:0000256|ARBA:ARBA00022832};
KW Iron {ECO:0000256|PIRSR:PIRSR000346-1};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516,
KW ECO:0000256|RuleBase:RU000582};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098};
KW Metal-binding {ECO:0000256|PIRSR:PIRSR000346-1};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU000582}; Plastid {ECO:0000256|RuleBase:RU000582};
KW Transit peptide {ECO:0000256|ARBA:ARBA00022946}.
FT BINDING 138
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 176
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 176
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 179
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 229
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 262
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 262
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="1"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
FT BINDING 265
FT /ligand="Fe cation"
FT /ligand_id="ChEBI:CHEBI:24875"
FT /ligand_label="2"
FT /evidence="ECO:0000256|PIRSR:PIRSR000346-1"
SQ SEQUENCE 396 AA; 45168 MW; A23475AB676A0940 CRC64;
MALKLNAINF QSPKCPSFAL PPVASVRSPK FFMASTLRSG SKEVETVKRP FNPPREVHVQ
VTHSMPPQKI EIFKALEDWA DNNILVHLKP VEKCWQPQDF LPDPSSDGFD DQVKELRERA
KEIPDDYFVV LVGDMITEEA LPTYQTMLNT LDGVRDETGA SPTSWAIWTR AWTAEENRHG
DLLNKYLYLS GRVDMRQIEK TIQYLIGSGM DPRTENSPYL GFIYTSFQER ATFISHGNTA
RLAREHGDLK LAQICGTIAA DEKRHETAYT KIVEKLFEID PNDTVLAFAD MMRKKISMPA
HLMYDGRDDN LFDHFSSVAQ RLGVYTAKDY ADILEHLVAR WKVANLTGLS ADGRKAQDYV
CGLPPRIRRL EERAQGRAKQ APKIPFSWIH DREVQL
//
