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CPT1A
HPA
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  • CPT1A
PROTEIN SUMMARY GENE INFORMATION RNA DATA ANTIBODY DATA
GENERAL INFORMATIONi

General description of the gene and the encoded protein(s) using information from HGNC and Ensembl, as well as predictions made by the Human Protein Atlas project.

Gene namei

Official gene symbol, which is typically a short form of the gene name, according to HGNC.

CPT1A
Synonyms CPT1, CPT1-L, L-CPT1
Gene descriptioni

Full gene name according to HGNC.

Carnitine palmitoyltransferase 1A
Protein classi

Assigned HPA protein class(es) for the encoded protein(s).

Disease related genes
Enzymes
FDA approved drug targets
Human disease related genes
Metabolic proteins
Plasma proteins
Transporters
Predicted locationi

All transcripts of all genes have been analyzed regarding the location(s) of corresponding protein based on prediction methods for signal peptides and transmembrane regions.

  • Genes with at least one transcript predicted to encode a secreted protein, according to prediction methods or to UniProt location data, have been further annotated and classified with the aim to determine if the corresponding protein(s) are secreted or actually retained in intracellular locations or membrane-attached.

  • Remaining genes, with no transcript predicted to encode a secreted protein, will be assigned the prediction-based location(s).

The annotated location overrules the predicted location, so that a gene encoding a predicted secreted protein that has been annotated as intracellular will have intracellular as the final location.

Membrane, Intracellular
Protein evidence Evidence at protein level (all genes)
GENE INFORMATIONi

Gene information from Ensembl and Entrez, as well as links to available gene identifiers are displayed here. Information was retrieved from Ensembl if not indicated otherwise.

Chromosome 11
Cytoband q13.3
Chromosome location (bp) 68754620 - 68844410
Number of transcriptsi

Number of protein-coding transcripts from the gene as defined by Ensembl.

8
Ensembl ENSG00000110090 (version 109)
Entrez gene 1374
HGNC HGNC:2328
UniProt P50416 (UniProt - Evidence at protein level)
neXtProt NX_P50416
GeneCards CPT1A
Antibodypedia CPT1A antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Catalyzes the transfer of the acyl group of long-chain fatty acid-CoA conjugates onto carnitine, an essential step for the mitochondrial uptake of long-chain fatty acids and their subsequent beta-oxidation in the mitochondrion 1, 2, 3, 4. Possesses also a lysine succinyltransferase activity that can regulate enzymatic activity of substrate proteins such as ENO1 and metabolism independent of its classical carnitine O-palmitoyltransferase activity 5. Plays an important role in hepatic triglyceride metabolism (By similarity). Plays also a role in inducible regulatory T-cell (iTreg) differentiation once activated by butyryl-CoA that antagonizes malonyl-CoA-mediated CPT1A repression (By similarity). Sustains the IFN-I response by recruiting ZDHCC4 to palmitoylate MAVS at the mitochondria leading to MAVS stabilization and activation 6. Promotes ROS-induced oxidative stress in liver injury via modulation of NFE2L2 and NLRP3-mediated signaling pathways (By similarity).... show less
Molecular function (UniProt)i

Keywords assigned by UniProt to proteins due to their particular molecular function.

Acyltransferase, Transferase
Biological process (UniProt)i

Keywords assigned by UniProt to proteins because they are involved in a particular biological process.

Fatty acid metabolism, Lipid metabolism, Transport
Gene summary (Entrez)i

Useful information about the gene from Entrez

The mitochondrial oxidation of long-chain fatty acids is initiated by the sequential action of carnitine palmitoyltransferase I (which is located in the outer membrane and is detergent-labile) and carnitine palmitoyltransferase II (which is located in the inner membrane and is detergent-stable), together with a carnitine-acylcarnitine translocase. CPT I is the key enzyme in the carnitine-dependent transport across the mitochondrial inner membrane and its deficiency results in a decreased rate of fatty acid beta-oxidation. Alternatively spliced transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]... show less
PROTEIN INFORMATIONi

The protein information section displays alternative protein-coding transcripts (splice variants) encoded by this gene according to the Ensembl database.

The Splice variant identifier links to the Ensembl website protein summary for the selected splice variant. The data in the Swissprot and TrEMBL columns links to corresponding pages in the UniProt database.

The protein classes assigned to this protein are shown if expanding the data in the protein class column. Parent protein classes are in bold font and subclasses are listed under the parent class.

The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide and number of predicted transmembrane region(s) according to in-house majority decision methods based on sets of predictors are also reported.
Splice variant SwissProt TrEMBL Protein class Gene ontology Length & mass Signal peptide
(predicted)
Transmembrane regions
(predicted)
CPT1A-201
ENSP00000265641
ENST00000265641
P50416
[Direct mapping] Carnitine O-palmitoyltransferase 1, liver isoform
Show all
A0A024R5F4
[Target identity:100%; Query identity:100%] Carnitine O-palmitoyltransferase
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
Transporters
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   2TM proteins predicted by MDM
Plasma proteins
Disease related genes
FDA approved drug targets
   Small molecule drugs
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0001676 [long-chain fatty acid metabolic process]
GO:0004095 [carnitine O-palmitoyltransferase activity]
GO:0005739 [mitochondrion]
GO:0005741 [mitochondrial outer membrane]
GO:0006006 [glucose metabolic process]
GO:0006629 [lipid metabolic process]
GO:0006631 [fatty acid metabolic process]
GO:0006635 [fatty acid beta-oxidation]
GO:0006641 [triglyceride metabolic process]
GO:0006853 [carnitine shuttle]
GO:0009410 [response to xenobiotic stimulus]
GO:0009437 [carnitine metabolic process]
GO:0010876 [lipid localization]
GO:0010883 [regulation of lipid storage]
GO:0014070 [response to organic cyclic compound]
GO:0016020 [membrane]
GO:0016740 [transferase activity]
GO:0016746 [acyltransferase activity]
GO:0030855 [epithelial cell differentiation]
GO:0031667 [response to nutrient levels]
GO:0032000 [positive regulation of fatty acid beta-oxidation]
GO:0042755 [eating behavior]
GO:0042802 [identical protein binding]
GO:0043231 [intracellular membrane-bounded organelle]
GO:0043279 [response to alkaloid]
GO:0045471 [response to ethanol]
GO:0046320 [regulation of fatty acid oxidation]
GO:0046677 [response to antibiotic]
GO:0050796 [regulation of insulin secretion]
GO:0071398 [cellular response to fatty acid]
GO:0097421 [liver regeneration]
GO:1904772 [response to tetrachloromethane]
GO:1990698 [palmitoleoyltransferase activity]
Show all
773 aa
88.4 kDa
No 2
CPT1A-202
ENSP00000365803
ENST00000376618
P50416
[Direct mapping] Carnitine O-palmitoyltransferase 1, liver isoform
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
Transporters
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   2TM proteins predicted by MDM
Plasma proteins
Disease related genes
FDA approved drug targets
   Small molecule drugs
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Kim et al 2014)
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0001676 [long-chain fatty acid metabolic process]
GO:0004095 [carnitine O-palmitoyltransferase activity]
GO:0005739 [mitochondrion]
GO:0005741 [mitochondrial outer membrane]
GO:0006629 [lipid metabolic process]
GO:0006631 [fatty acid metabolic process]
GO:0006635 [fatty acid beta-oxidation]
GO:0006853 [carnitine shuttle]
GO:0009437 [carnitine metabolic process]
GO:0016020 [membrane]
GO:0016740 [transferase activity]
GO:0016746 [acyltransferase activity]
GO:0030855 [epithelial cell differentiation]
Show all
756 aa
86.2 kDa
No 2
CPT1A-204
ENSP00000454332
ENST00000538994
H3BMD2
[Direct mapping] Carnitine O-palmitoyltransferase 1, liver isoform
Show all
Metabolic proteins
   Phobius predicted membrane proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0016746 [acyltransferase activity]
Show all
78 aa
9 kDa
No 0
CPT1A-205
ENSP00000446108
ENST00000539743
P50416
[Direct mapping] Carnitine O-palmitoyltransferase 1, liver isoform
Show all
A0A024R5F4
[Target identity:100%; Query identity:100%] Carnitine O-palmitoyltransferase
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
Transporters
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   2TM proteins predicted by MDM
Plasma proteins
Disease related genes
FDA approved drug targets
   Small molecule drugs
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0001676 [long-chain fatty acid metabolic process]
GO:0004095 [carnitine O-palmitoyltransferase activity]
GO:0005739 [mitochondrion]
GO:0005741 [mitochondrial outer membrane]
GO:0006629 [lipid metabolic process]
GO:0006631 [fatty acid metabolic process]
GO:0006635 [fatty acid beta-oxidation]
GO:0006853 [carnitine shuttle]
GO:0009437 [carnitine metabolic process]
GO:0016020 [membrane]
GO:0016740 [transferase activity]
GO:0016746 [acyltransferase activity]
GO:0030855 [epithelial cell differentiation]
Show all
773 aa
88.4 kDa
No 2
CPT1A-206
ENSP00000439084
ENST00000540367
P50416
[Direct mapping] Carnitine O-palmitoyltransferase 1, liver isoform
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
Transporters
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   2TM proteins predicted by MDM
Plasma proteins
Disease related genes
FDA approved drug targets
   Small molecule drugs
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0001676 [long-chain fatty acid metabolic process]
GO:0004095 [carnitine O-palmitoyltransferase activity]
GO:0005739 [mitochondrion]
GO:0005741 [mitochondrial outer membrane]
GO:0006629 [lipid metabolic process]
GO:0006631 [fatty acid metabolic process]
GO:0006635 [fatty acid beta-oxidation]
GO:0006853 [carnitine shuttle]
GO:0009437 [carnitine metabolic process]
GO:0016020 [membrane]
GO:0016740 [transferase activity]
GO:0016746 [acyltransferase activity]
GO:0030855 [epithelial cell differentiation]
Show all
756 aa
86.2 kDa
No 2
CPT1A-207
ENSP00000457663
ENST00000561996
H3BUJ0
[Direct mapping] Carnitine O-palmitoyltransferase 1, liver isoform
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   1TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
Show all
93 aa
10.4 kDa
No 1
CPT1A-208
ENSP00000457826
ENST00000565318
H3BUV7
[Direct mapping] Carnitine O-palmitoyltransferase 1, liver isoform
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   Phobius predicted membrane proteins
   SCAMPI predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   2TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0016020 [membrane]
GO:0016746 [acyltransferase activity]
Show all
134 aa
14.8 kDa
No 2
CPT1A-209
ENSP00000455116
ENST00000569129
H3BP22
[Direct mapping] Carnitine O-palmitoyltransferase 1, liver isoform
Show all
Metabolic proteins
Predicted membrane proteins
   Prediction method-based
   Membrane proteins predicted by MDM
   MEMSAT3 predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   # TM segments-based
   1TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of lipid/glycolipid metabolism
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0016746 [acyltransferase activity]
Show all
117 aa
12.8 kDa
No 1

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