ID G3AT12_SPAPN Unreviewed; 370 AA.
AC G3AT12;
DT 16-NOV-2011, integrated into UniProtKB/TrEMBL.
DT 16-NOV-2011, sequence version 1.
DT 27-MAR-2024, entry version 50.
DE RecName: Full=Sphingolipid delta(4)-desaturase {ECO:0000256|PIRNR:PIRNR017228};
DE EC=1.14.19.17 {ECO:0000256|PIRNR:PIRNR017228};
GN ORFNames=SPAPADRAFT_52340 {ECO:0000313|EMBL:EGW31173.1};
OS Spathaspora passalidarum (strain NRRL Y-27907 / 11-Y1).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Saccharomycotina; Saccharomycetes;
OC Saccharomycetales; Debaryomycetaceae; Spathaspora.
OX NCBI_TaxID=619300 {ECO:0000313|Proteomes:UP000000709};
RN [1] {ECO:0000313|EMBL:EGW31173.1, ECO:0000313|Proteomes:UP000000709}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NRRL Y-27907 / 11-Y1 {ECO:0000313|Proteomes:UP000000709};
RX PubMed=21788494; DOI=10.1073/pnas.1103039108;
RA Wohlbach D.J., Kuo A., Sato T.K., Potts K.M., Salamov A.A., LaButti K.M.,
RA Sun H., Clum A., Pangilinan J.L., Lindquist E.A., Lucas S., Lapidus A.,
RA Jin M., Gunawan C., Balan V., Dale B.E., Jeffries T.W., Zinkel R.,
RA Barry K.W., Grigoriev I.V., Gasch A.P.;
RT "Comparative genomics of xylose-fermenting fungi for enhanced biofuel
RT production.";
RL Proc. Natl. Acad. Sci. U.S.A. 108:13212-13217(2011).
CC -!- FUNCTION: Delta(4)-fatty-acid desaturase which introduces a double bond
CC at the 4-position in the long-chain base (LCB) of ceramides.
CC {ECO:0000256|PIRNR:PIRNR017228}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=an N-acylsphinganine + 2 Fe(II)-[cytochrome b5] + 2 H(+) + O2
CC = an N-acylsphing-4-enine + 2 Fe(III)-[cytochrome b5] + 2 H2O;
CC Xref=Rhea:RHEA:46544, Rhea:RHEA-COMP:10438, Rhea:RHEA-COMP:10439,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC ChEBI:CHEBI:29033, ChEBI:CHEBI:29034, ChEBI:CHEBI:31488,
CC ChEBI:CHEBI:52639; EC=1.14.19.17;
CC Evidence={ECO:0000256|PIRNR:PIRNR017228};
CC -!- PATHWAY: Lipid metabolism; sphingolipid metabolism.
CC {ECO:0000256|PIRNR:PIRNR017228}.
CC -!- SUBCELLULAR LOCATION: Membrane {ECO:0000256|ARBA:ARBA00004141}; Multi-
CC pass membrane protein {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the fatty acid desaturase type 1 family. DEGS
CC subfamily. {ECO:0000256|ARBA:ARBA00006146,
CC ECO:0000256|PIRNR:PIRNR017228}.
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DR EMBL; GL996504; EGW31173.1; -; Genomic_DNA.
DR RefSeq; XP_007377206.1; XM_007377144.1.
DR AlphaFoldDB; G3AT12; -.
DR STRING; 619300.G3AT12; -.
DR GeneID; 18871663; -.
DR KEGG; spaa:SPAPADRAFT_52340; -.
DR eggNOG; KOG2987; Eukaryota.
DR HOGENOM; CLU_032156_0_1_1; -.
DR InParanoid; G3AT12; -.
DR OMA; FEWVYND; -.
DR OrthoDB; 5476704at2759; -.
DR UniPathway; UPA00222; -.
DR Proteomes; UP000000709; Unassembled WGS sequence.
DR GO; GO:0016020; C:membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0042284; F:sphingolipid delta-4 desaturase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0030148; P:sphingolipid biosynthetic process; IEA:InterPro.
DR CDD; cd03508; Delta4-sphingolipid-FADS-like; 1.
DR InterPro; IPR011388; DES1/DES2.
DR InterPro; IPR005804; FA_desaturase_dom.
DR InterPro; IPR013866; Sphingolipid_d4-desaturase_N.
DR PANTHER; PTHR12879; SPHINGOLIPID DELTA 4 DESATURASE/C-4 HYDROXYLASE PROTEIN DES2; 1.
DR PANTHER; PTHR12879:SF8; SPHINGOLIPID DELTA(4)-DESATURASE DES1; 1.
DR Pfam; PF00487; FA_desaturase; 1.
DR Pfam; PF08557; Lipid_DES; 1.
DR PIRSF; PIRSF017228; Sphnglp_dlt4_des; 1.
DR SMART; SM01269; Lipid_DES; 1.
PE 3: Inferred from homology;
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023098,
KW ECO:0000256|PIRNR:PIRNR017228};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|PIRNR:PIRNR017228};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|PIRNR:PIRNR017228};
KW Reference proteome {ECO:0000313|Proteomes:UP000000709};
KW Sphingolipid metabolism {ECO:0000256|PIRNR:PIRNR017228};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}.
FT TRANSMEM 63..81
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 87..111
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 123..142
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 170..192
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 204..224
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 25..63
FT /note="Sphingolipid delta4-desaturase N-terminal"
FT /evidence="ECO:0000259|SMART:SM01269"
SQ SEQUENCE 370 AA; 42948 MW; 857F10BE22CBFDB6 CRC64;
MTQIKHRNSS HTFTINPPPA DAPIEVLNEF YWTKDPEPHI ARRKLILEKY PEVRKLNGYE
PKTKWYVIAI VGLQVAVAYY LRDSSILSWK FFLLAYVIGA TSNQALFLAI HELSHNLLFK
KPLHNKLFAI FANIPIGIPY SASFQPYHQL HHKFLGDKYL DTDLPTKFEA IVLSNVLGKI
FFATCQIFFY ALRPMFITQI KFTYIHLLNV IAQLAVDTLM VKYFGWKSVI YFLMSSFLAG
SLHPCAGHFI AEHYVLNDNN VPKVQKTEGA NIASGYQLPA ETYSYYGSLN LLTWNVGYHN
EHHDFPYIAW TKLPELRRIA AEFYDPLPQV TSWCGVIWWF ITNDINTLWN RVKREGKEMH
GHKIDNLDKN
//
