Lipid Modification Database
Tag Content
LipidDB ID
LipidDB-9606-00459
Entry Name
UniProt Accession
Theoretical PI
8.55
Molecular Weight
46553.56
Genbank Protein ID
Genbank Nucleotide ID
Protein Name
Choline/ethanolaminephosphotransferase 1
Protein Synonyms/Alias
hCEPT1; 2.7.8.1; 2.7.8.2;
Gene Name
CEPT1
Gene Synonyms/Alias
PRO1101;
Created Date
29-MAY-2007
 Lipid Modification Sites 
 Position   Sequence Form   Peptide   References   Modification Type 
11
Canonical
HRSTRKRCGDSHPES
[1]
S-Palmitoylation
388
Canonical
FFDLIRYCVSVCNQI
[1]
S-Palmitoylation
Organism
Homo sapiens (Human)
NCBI Taxa ID
9606
Reference
[1] Predicted from GPS-Lipid
Functional Description
Catalyzes both phosphatidylcholine and phosphatidylethanolamine biosynthesis from CDP-choline and CDP- ethanolamine, respectively. Involved in protein-dependent process of phospholipid transport to distribute phosphatidyl choline to the lumenal surface. Has a higher cholinephosphotransferase activity than ethanolaminephosphotransferase activity.
Sequence Annotation
Transmembrane: 87 107 Helical.
Transmembrane: 115 135 Helical.
Transmembrane: 186 206 Helical.
Transmembrane: 209 229 Helical.
Transmembrane: 239 259 Helical.
Transmembrane: 283 303 Helical.
Transmembrane: 317 337 Helical.
Transmembrane: 365 385 Helical.
Modified residue: 18 18 Phosphoserine.
Modified residue: 40 40 Phosphothreonine.
Protein Length
416 AA.
Protein Sequence
(Canonical)
MSGHRSTRKR CGDSHPESPV GFGHMSTTGC VLNKLFQLPT PPLSRHQLKR LEEHRYQSAG  60
RSLLEPLMQG YWEWLVRRVP SWIAPNLITI IGLSINICTT ILLVFYCPTA TEQAPLWAYI  120
ACACGLFIYQ SLDAIDGKQA RRTNSSSPLG ELFDHGCDSL STVFVVLGTC IAVQLGTNPD  180
WMFFCCFAGT FMFYCAHWQT YVSGTLRFGI IDVTEVQIFI IIMHLLAVIG GPPFWQSMIP  240
VLNIQMKIFP ALCTVAGTIF SCTNYFRVIF TGGVGKNGST IAGTSVLSPF LHIGSVITLA  300
AMIYKKSAVQ LFEKHPCLYI LTFGFVSAKI TNKLVVAHMT KSEMHLHDTA FIGPALLFLD  360
QYFNSFIDEY IVLWIALVFS FFDLIRYCVS VCNQIASHLH IHVFRIKVST AHSNHH      416
FASTA
(Canonical)
>LipidDB-9606-00459|Q9Y6K0
MSGHRSTRKRCGDSHPESPVGFGHMSTTGCVLNKLFQLPTPPLSRHQLKRLEEHRYQSAG
RSLLEPLMQGYWEWLVRRVPSWIAPNLITIIGLSINICTTILLVFYCPTATEQAPLWAYI
ACACGLFIYQSLDAIDGKQARRTNSSSPLGELFDHGCDSLSTVFVVLGTCIAVQLGTNPD
WMFFCCFAGTFMFYCAHWQTYVSGTLRFGIIDVTEVQIFIIIMHLLAVIGGPPFWQSMIP
VLNIQMKIFPALCTVAGTIFSCTNYFRVIFTGGVGKNGSTIAGTSVLSPFLHIGSVITLA
AMIYKKSAVQLFEKHPCLYILTFGFVSAKITNKLVVAHMTKSEMHLHDTAFIGPALLFLD
QYFNSFIDEYIVLWIALVFSFFDLIRYCVSVCNQIASHLHIHVFRIKVSTAHSNHH
Gene Ontology
GO:0005789; C:endoplasmic reticulum membrane; TAS:Reactome
GO:0016021; C:integral component of membrane; TAS:ProtInc
GO:0005634; C:nucleus; IEA:UniProtKB-KW
GO:0004142; F:diacylglycerol cholinephosphotransferase activity; TAS:Reactome
GO:0004307; F:ethanolaminephosphotransferase activity; TAS:ProtInc
GO:0046872; F:metal ion binding; IEA:UniProtKB-KW
GO:0006657; P:CDP-choline pathway; TAS:GOC
GO:0046474; P:glycerophospholipid biosynthetic process; TAS:Reactome
GO:0006629; P:lipid metabolic process; TAS:ProtInc
GO:0006656; P:phosphatidylcholine biosynthetic process; TAS:Reactome
GO:0006646; P:phosphatidylethanolamine biosynthetic process; TAS:Reactome
GO:0006644; P:phospholipid metabolic process; TAS:Reactome
GO:0044281; P:small molecule metabolic process; TAS:Reactome
Interpro
InterPro; IPR000462; CDP-OH_P_trans
InterPro; IPR014472; CHOPT
Pfam
Pfam; PF01066; CDP-OH_P_transf;
SMART
PROSITE
PROSITE; PS00379; CDP_ALCOHOL_P_TRANSF;
PRINTS