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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.
Assigned HPA protein class(es) for the encoded protein(s).
Disease related genes FDA approved drug targets Human disease related genes Metabolic proteins
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.
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
4
Cytoband
q23
Chromosome location (bp)
99564081 - 99623997
Number of transcriptsi
Number of protein-coding transcripts from the gene as defined by Ensembl.
Useful information about the protein provided by UniProt.
Catalyzes the transport of triglyceride, cholesteryl ester, and phospholipid between phospholipid surfaces 1,2,3,4,5,6,7,8. Required for the assembly and secretion of plasma lipoproteins that contain apolipoprotein B 9,10,11,12,13. May be involved in regulating cholesteryl ester biosynthesis in cells that produce lipoproteins (By similarity)....show less
Biological process (UniProt)i
Keywords assigned by UniProt to proteins because they are involved in a particular biological process.
Lipid transport, Transport
Ligand (UniProt)i
Keywords assigned by UniProt to proteins because they bind, are associated with, or whose activity is dependent of some molecule.
Lipid-binding
Gene summary (Entrez)i
Useful information about the gene from Entrez
MTP encodes the large subunit of the heterodimeric microsomal triglyceride transfer protein. Protein disulfide isomerase (PDI) completes the heterodimeric microsomal triglyceride transfer protein, which has been shown to play a central role in lipoprotein assembly. Mutations in MTP can cause abetalipoproteinemia. [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 ENSP identifier links to the Ensembl website protein summary, while the ENST identifier links to the Ensembl website transcript summary for the selected splice variant. The data in the UniProt column can be expanded to show links to all matching UniProt identifiers for this protein.
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 Gene Ontology terms assigned to this protein are listed if expanding the Gene ontology column. The length of the protein (amino acid residues according to Ensembl), molecular mass (kDalton), predicted signal peptide (according to a majority of the signal peptide predictors SPOCTOPUS, SignalP 4.0, and Phobius) and the number of predicted transmembrane region(s) (according to MDM) are also reported.
P55157 [Direct mapping] Microsomal triglyceride transfer protein large subunit
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Metabolic proteins Secreted proteins predicted by MDSEC SignalP predicted secreted proteins Phobius predicted secreted proteins SPOCTOPUS predicted secreted proteins Predicted intracellular 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)
P55157 [Direct mapping] Microsomal triglyceride transfer protein large subunit
Show all
Metabolic proteins Secreted proteins predicted by MDSEC SignalP predicted secreted proteins Phobius predicted secreted proteins SPOCTOPUS predicted secreted proteins Predicted intracellular 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)
P55157 [Direct mapping] Microsomal triglyceride transfer protein large subunit
Show all
Metabolic proteins Secreted proteins predicted by MDSEC SignalP predicted secreted proteins Phobius predicted secreted proteins SPOCTOPUS predicted secreted proteins Predicted intracellular 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)
D6RAB8 [Direct mapping] Microsomal triglyceride transfer protein large subunit
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Metabolic 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)
E9PBP6 [Direct mapping] Microsomal triglyceride transfer protein large subunit
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Metabolic 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)
The Human Protein Atlas project is funded
