ID A0A094FCA1_9PEZI Unreviewed; 387 AA.
AC A0A094FCA1;
DT 26-NOV-2014, integrated into UniProtKB/TrEMBL.
DT 26-NOV-2014, sequence version 1.
DT 27-MAR-2024, entry version 34.
DE RecName: Full=Sphingolipid delta(4)-desaturase {ECO:0000256|PIRNR:PIRNR017228};
DE EC=1.14.19.17 {ECO:0000256|PIRNR:PIRNR017228};
GN ORFNames=V497_05725 {ECO:0000313|EMBL:KFY57162.1};
OS Pseudogymnoascus sp. VKM F-4516 (FW-969).
OC Eukaryota; Fungi; Dikarya; Ascomycota; Pezizomycotina; Leotiomycetes;
OC Leotiomycetes incertae sedis; Pseudeurotiaceae; Pseudogymnoascus.
OX NCBI_TaxID=1420910 {ECO:0000313|EMBL:KFY57162.1, ECO:0000313|Proteomes:UP000029268};
RN [1] {ECO:0000313|EMBL:KFY57162.1, ECO:0000313|Proteomes:UP000029268}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=VKM F-4516 (FW-969) {ECO:0000313|Proteomes:UP000029268};
RA Leushkin E.V., Logacheva M.D., Penin A.A., Sutormin R.A., Gerasimov E.S.,
RA Kochkina G.A., Ivanushkina N.E., Vasilenko O.V., Kondrashov A.S.,
RA Ozerskaya S.M.;
RT "Population genomics of a fungus Geomyces pannorum provides evidence of
RT horizontal gene transfer but not of sexual reproduction.";
RL Submitted (JUL-2014) to the EMBL/GenBank/DDBJ databases.
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}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KFY57162.1}.
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DR EMBL; JPJZ01001046; KFY57162.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A094FCA1; -.
DR STRING; 1420910.A0A094FCA1; -.
DR HOGENOM; CLU_032156_0_1_1; -.
DR OrthoDB; 5485164at2759; -.
DR UniPathway; UPA00222; -.
DR Proteomes; UP000029268; 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:UP000029268};
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 78..97
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 103..127
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 139..158
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 186..208
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 245..267
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT DOMAIN 41..79
FT /note="Sphingolipid delta4-desaturase N-terminal"
FT /evidence="ECO:0000259|SMART:SM01269"
FT REGION 1..38
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 1..18
FT /note="Polar residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 387 AA; 43546 MW; 556B7BC422ECBB86 CRC64;
MPSSTATTVQ SKSKANGNAV NVKAAKGNGE AKAASTPKDD ENYEHFFWTY TEEPHRTRRM
AIIKAHPEVT KLCGPEPLTK YIVACVVALQ ITCAYLLRDT PFFSWKFFLT AYIVGATANQ
NCFLAIHEIS HNLAFRSPLA NRLFAIFANI PIGIPYSASF RPYHLTHHKS LGVDGLDTDM
PTNFEAIFLD SILGKAFFCT FQILFYALRP MMIYQIPLTG MHAINVAVQV AFDVALVKYA
SGNALLYFIL SSFLAGSLHP VAGHFIAEHY VFEHLSKDAR NPRTKLDAPI PETYSYYGPL
NFLTWNVGLH NEHHDFPAVP WSRLPAVYEL AKEFYVDLPR HESWVYVIWQ FIWDKEVGMS
CRVKRKEGGR KVGAGAAAAW TEQEIQA
//
