ID A0A452SHW6_URSAM Unreviewed; 346 AA.
AC A0A452SHW6;
DT 08-MAY-2019, integrated into UniProtKB/TrEMBL.
DT 08-MAY-2019, sequence version 1.
DT 27-MAR-2024, entry version 20.
DE RecName: Full=Cholinephosphotransferase 1 {ECO:0000256|ARBA:ARBA00040330};
DE EC=2.7.8.2 {ECO:0000256|ARBA:ARBA00038987};
DE AltName: Full=Diacylglycerol cholinephosphotransferase 1 {ECO:0000256|ARBA:ARBA00041597};
GN Name=CHPT1 {ECO:0000313|Ensembl:ENSUAMP00000032132.1};
OS Ursus americanus (American black bear) (Euarctos americanus).
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Carnivora; Caniformia; Ursidae; Ursus.
OX NCBI_TaxID=9643 {ECO:0000313|Ensembl:ENSUAMP00000032132.1, ECO:0000313|Proteomes:UP000291022};
RN [1] {ECO:0000313|Proteomes:UP000291022}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Korstanje R., Srivastava A., Sarsani V.K., Sheehan S.M., Seger R.L.,
RA Barter M.E., Lindqvist C., Brody L.C., Mullikin J.C.;
RT "De novo assembly and RNA-Seq shows season-dependent expression and editing
RT in black bear kidneys.";
RL Submitted (JUN-2016) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|Ensembl:ENSUAMP00000032132.1}
RP IDENTIFICATION.
RG Ensembl;
RL Submitted (SEP-2023) to UniProtKB.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1,2-dioctanoyl-sn-glycerol + CDP-choline = 1,2-dioctanoyl-sn-
CC glycero-3-phosphocholine + CMP + H(+); Xref=Rhea:RHEA:54232,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:58779, ChEBI:CHEBI:60377,
CC ChEBI:CHEBI:76979, ChEBI:CHEBI:78228;
CC Evidence={ECO:0000256|ARBA:ARBA00036651};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:54233;
CC Evidence={ECO:0000256|ARBA:ARBA00036651};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-docosahexaenoyl)-sn-
CC glycerol + CDP-choline = 1-hexadecanoyl-2-(4Z,7Z,10Z,13Z,16Z,19Z-
CC docosahexaenoyl)-sn-glycero-3-phosphocholine + CMP + H(+);
CC Xref=Rhea:RHEA:54332, ChEBI:CHEBI:15378, ChEBI:CHEBI:58779,
CC ChEBI:CHEBI:60377, ChEBI:CHEBI:74963, ChEBI:CHEBI:82949;
CC Evidence={ECO:0000256|ARBA:ARBA00036100};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:54333;
CC Evidence={ECO:0000256|ARBA:ARBA00036100};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycerol + CDP-choline =
CC 1-hexadecanoyl-2-(9Z-octadecenoyl)-sn-glycero-3-phosphocholine + CMP
CC + H(+); Xref=Rhea:RHEA:54244, ChEBI:CHEBI:15378, ChEBI:CHEBI:58779,
CC ChEBI:CHEBI:60377, ChEBI:CHEBI:73001, ChEBI:CHEBI:75466;
CC Evidence={ECO:0000256|ARBA:ARBA00036890};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:54245;
CC Evidence={ECO:0000256|ARBA:ARBA00036890};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-glycerol
CC + CDP-choline = 1-octadecanoyl-2-(5Z,8Z,11Z,14Z-eicosatetraenoyl)-sn-
CC glycero-3-phosphocholine + CMP + H(+); Xref=Rhea:RHEA:54344,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:58779, ChEBI:CHEBI:60377,
CC ChEBI:CHEBI:74965, ChEBI:CHEBI:75728;
CC Evidence={ECO:0000256|ARBA:ARBA00035763};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:54345;
CC Evidence={ECO:0000256|ARBA:ARBA00035763};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a 1,2-diacyl-sn-glycerol + CDP-choline = a 1,2-diacyl-sn-
CC glycero-3-phosphocholine + CMP + H(+); Xref=Rhea:RHEA:32939,
CC ChEBI:CHEBI:15378, ChEBI:CHEBI:17815, ChEBI:CHEBI:57643,
CC ChEBI:CHEBI:58779, ChEBI:CHEBI:60377; EC=2.7.8.2;
CC Evidence={ECO:0000256|ARBA:ARBA00035868};
CC PhysiologicalDirection=left-to-right; Xref=Rhea:RHEA:32940;
CC Evidence={ECO:0000256|ARBA:ARBA00035868};
CC -!- COFACTOR:
CC Name=Mg(2+); Xref=ChEBI:CHEBI:18420;
CC Evidence={ECO:0000256|ARBA:ARBA00001946};
CC -!- COFACTOR:
CC Name=Mn(2+); Xref=ChEBI:CHEBI:29035;
CC Evidence={ECO:0000256|ARBA:ARBA00001936};
CC -!- PATHWAY: Lipid metabolism. {ECO:0000256|ARBA:ARBA00005189}.
CC -!- PATHWAY: Phospholipid metabolism; phosphatidylcholine biosynthesis;
CC phosphatidylcholine from phosphocholine: step 2/2.
CC {ECO:0000256|ARBA:ARBA00037890}.
CC -!- SUBCELLULAR LOCATION: Golgi apparatus membrane
CC {ECO:0000256|ARBA:ARBA00004653}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004653}. Membrane
CC {ECO:0000256|ARBA:ARBA00004141}; Multi-pass membrane protein
CC {ECO:0000256|ARBA:ARBA00004141}.
CC -!- SIMILARITY: Belongs to the CDP-alcohol phosphatidyltransferase class-I
CC family. {ECO:0000256|ARBA:ARBA00010441, ECO:0000256|RuleBase:RU003750}.
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DR Ensembl; ENSUAMT00000035824.1; ENSUAMP00000032131.1; ENSUAMG00000024566.1.
DR Ensembl; ENSUAMT00000035825.1; ENSUAMP00000032132.1; ENSUAMG00000024566.1.
DR GeneTree; ENSGT00950000183117; -.
DR Proteomes; UP000291022; Unassembled WGS sequence.
DR GO; GO:0000139; C:Golgi membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0016780; F:phosphotransferase activity, for other substituted phosphate groups; IEA:InterPro.
DR GO; GO:0008654; P:phospholipid biosynthetic process; IEA:UniProtKB-KW.
DR Gene3D; 1.20.120.1760; -; 1.
DR InterPro; IPR000462; CDP-OH_P_trans.
DR InterPro; IPR043130; CDP-OH_PTrfase_TM_dom.
DR InterPro; IPR048254; CDP_ALCOHOL_P_TRANSF_CS.
DR InterPro; IPR014472; CHOPT.
DR PANTHER; PTHR10414:SF32; CHOLINEPHOSPHOTRANSFERASE 1; 1.
DR PANTHER; PTHR10414; ETHANOLAMINEPHOSPHOTRANSFERASE; 1.
DR Pfam; PF01066; CDP-OH_P_transf; 1.
DR PIRSF; PIRSF015665; CHOPT; 1.
DR PROSITE; PS00379; CDP_ALCOHOL_P_TRANSF; 1.
PE 3: Inferred from homology;
KW Golgi apparatus {ECO:0000256|ARBA:ARBA00023034};
KW Lipid biosynthesis {ECO:0000256|ARBA:ARBA00022516};
KW Lipid metabolism {ECO:0000256|ARBA:ARBA00023209};
KW Manganese {ECO:0000256|ARBA:ARBA00023211};
KW Membrane {ECO:0000256|ARBA:ARBA00023136, ECO:0000256|SAM:Phobius};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW Phospholipid biosynthesis {ECO:0000256|ARBA:ARBA00023209};
KW Phospholipid metabolism {ECO:0000256|ARBA:ARBA00023264};
KW Reference proteome {ECO:0000313|Proteomes:UP000291022};
KW Signal {ECO:0000256|SAM:SignalP};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|RuleBase:RU003750};
KW Transmembrane {ECO:0000256|ARBA:ARBA00022692, ECO:0000256|SAM:Phobius};
KW Transmembrane helix {ECO:0000256|ARBA:ARBA00022989,
KW ECO:0000256|SAM:Phobius}.
FT SIGNAL 1..22
FT /evidence="ECO:0000256|SAM:SignalP"
FT CHAIN 23..346
FT /note="Cholinephosphotransferase 1"
FT /evidence="ECO:0000256|SAM:SignalP"
FT /id="PRO_5040596621"
FT TRANSMEM 32..50
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 99..119
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 134..154
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 166..184
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 204..222
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 234..254
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
FT TRANSMEM 289..311
FT /note="Helical"
FT /evidence="ECO:0000256|SAM:Phobius"
SQ SEQUENCE 346 AA; 38350 MW; 1B66B4137134EC0B CRC64;
MAPNSITLLG LAVNLLTTLV LISYCPTATE EAPYWTYLLC ALGLFIYQSL DAIDGKQARR
TNSCSPLGEL FDHGCDSLST VFMAVGASVA VRLGTHPDWL FFCSFIGMFM FYCAHWQTYV
SGVLRFGKVD VTEIQLALVT VFVLSTFGGA AMWDSTIPIL EIKLKIFPVL GVVGGAIFSC
SNYFHVILHG GVGKNGSTIA GTSVLSPGLH IGIIIILAIM IYKKSATNVF EKHPCLYTLM
FGCVFAKVSQ KLVIAHMTKS ELYLQDTVFF GPGLLFLDQY FNNFVDEYIV LWIAMVISSF
DMMMYFSALC LQISRHLHLN IFKTSYHEAP EQVQVLPSKS HQNNMD
//
