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ALG1
HPA
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  • ALG1
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.

ALG1
Synonyms CDG1K, HMAT1, HMT-1, Mat-1
Gene descriptioni

Full gene name according to HGNC.

ALG1 chitobiosyldiphosphodolichol beta-mannosyltransferase
Protein classi

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

Disease related genes
Enzymes
Human disease related genes
Metabolic proteins
Potential drug targets
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 16
Cytoband p13.3
Chromosome location (bp) 5033702 - 5087379
Number of transcriptsi

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

12
Ensembl ENSG00000033011 (version 109)
Entrez gene 56052
HGNC HGNC:18294
UniProt Q9BT22 (UniProt - Evidence at protein level)
neXtProt NX_Q9BT22
GeneCards ALG1
Antibodypedia ALG1 antibodies


PROTEIN FUNCTION
Protein function (UniProt)i

Useful information about the protein provided by UniProt.

Mannosyltransferase that operates in the biosynthetic pathway of dolichol-linked oligosaccharides, the glycan precursors employed in protein asparagine (N)-glycosylation. The assembly of dolichol-linked oligosaccharides begins on the cytosolic side of the endoplasmic reticulum membrane and finishes in its lumen. The sequential addition of sugars to dolichol pyrophosphate produces dolichol-linked oligosaccharides containing fourteen sugars, including two GlcNAcs, nine mannoses and three glucoses. Once assembled, the oligosaccharide is transferred from the lipid to nascent proteins by oligosaccharyltransferases. Catalyzes, on the cytoplasmic face of the endoplasmic reticulum, the addition of the first mannose residues to the dolichol-linked oligosaccharide chain, to produce Man1GlcNAc(2)-PP-dolichol core oligosaccharide. Man1GlcNAc(2)-PP-dolichol is a substrate for ALG2, the following enzyme in the biosynthetic pathway.... show less
Molecular function (UniProt)i

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

Glycosyltransferase, Transferase
Gene summary (Entrez)i

Useful information about the gene from Entrez

The enzyme encoded by this gene catalyzes the first mannosylation step in the biosynthesis of lipid-linked oligosaccharides. This gene is mutated in congenital disorder of glycosylation type Ik. [provided by RefSeq, Dec 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)
ALG1-201
ENSP00000262374
ENST00000262374
Q9BT22
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein 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:0000030 [mannosyltransferase activity]
GO:0004578 [chitobiosyldiphosphodolichol beta-mannosyltransferase activity]
GO:0005783 [endoplasmic reticulum]
GO:0005789 [endoplasmic reticulum membrane]
GO:0006486 [protein glycosylation]
GO:0006488 [dolichol-linked oligosaccharide biosynthetic process]
GO:0016020 [membrane]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
464 aa
52.5 kDa
No 0
ALG1-202
ENSP00000440019
ENST00000544428
Q9BT22
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   THUMBUP predicted membrane proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000030 [mannosyltransferase activity]
GO:0004578 [chitobiosyldiphosphodolichol beta-mannosyltransferase activity]
GO:0005783 [endoplasmic reticulum]
GO:0005789 [endoplasmic reticulum membrane]
GO:0006486 [protein glycosylation]
GO:0006488 [dolichol-linked oligosaccharide biosynthetic process]
GO:0016020 [membrane]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
353 aa
40.3 kDa
No 0
ALG1-203
ENSP00000467538
ENST00000586840
K7EPU3
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
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
   1TM proteins predicted by MDM
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0000030 [mannosyltransferase activity]
GO:0016020 [membrane]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
184 aa
20.2 kDa
No 1
ALG1-204
ENSP00000468118
ENST00000588623
Q9BT22
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   THUMBUP predicted membrane proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000030 [mannosyltransferase activity]
GO:0004578 [chitobiosyldiphosphodolichol beta-mannosyltransferase activity]
GO:0005783 [endoplasmic reticulum]
GO:0005789 [endoplasmic reticulum membrane]
GO:0006486 [protein glycosylation]
GO:0006488 [dolichol-linked oligosaccharide biosynthetic process]
GO:0016020 [membrane]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
353 aa
40.3 kDa
No 0
ALG1-205
ENSP00000464700
ENST00000591783
K7EID2
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Metabolic proteins
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   THUMBUP predicted membrane proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000030 [mannosyltransferase activity]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
167 aa
19.3 kDa
No 0
ALG1-210
ENSP00000508075
ENST00000682020
A0A804HKU4
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000030 [mannosyltransferase activity]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
266 aa
30.3 kDa
No 0
ALG1-213
ENSP00000507058
ENST00000682327
A0A804HIG6
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000030 [mannosyltransferase activity]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
288 aa
32.9 kDa
No 0
ALG1-217
ENSP00000507598
ENST00000682985
A0A804HJQ1
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000030 [mannosyltransferase activity]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
301 aa
34.3 kDa
No 0
ALG1-218
ENSP00000507463
ENST00000683433
A0A804HJE3
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Metabolic proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000030 [mannosyltransferase activity]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
217 aa
24.6 kDa
No 0
ALG1-221
ENSP00000507002
ENST00000683739
Q9BT22
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Enzymes
   ENZYME proteins
   Transferases
Metabolic proteins
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   THUMBUP predicted membrane proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Disease related genes
Potential drug targets
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Mapped to neXtProt
   neXtProt - Evidence at protein level
Protein evidence (Ezkurdia et al 2014)
Show all
GO:0000030 [mannosyltransferase activity]
GO:0004578 [chitobiosyldiphosphodolichol beta-mannosyltransferase activity]
GO:0005783 [endoplasmic reticulum]
GO:0005789 [endoplasmic reticulum membrane]
GO:0006486 [protein glycosylation]
GO:0006488 [dolichol-linked oligosaccharide biosynthetic process]
GO:0016020 [membrane]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
353 aa
40.3 kDa
No 0
ALG1-224
ENSP00000507554
ENST00000684190
A0A804HJL6
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Metabolic proteins
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0000030 [mannosyltransferase activity]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
451 aa
51.1 kDa
No 0
ALG1-225
ENSP00000508112
ENST00000684335
A0A804HKX7
[Direct mapping] Chitobiosyldiphosphodolichol beta-mannosyltransferase
Show all
Metabolic proteins
   MEMSAT3 predicted membrane proteins
   MEMSAT-SVM predicted membrane proteins
   SPOCTOPUS predicted membrane proteins
   THUMBUP predicted membrane proteins
   TMHMM predicted membrane proteins
   Phobius predicted secreted proteins
   SPOCTOPUS predicted secreted proteins
Predicted intracellular proteins
   Intracellular proteins predicted by MDM and MDSEC
Human disease related genes
   Congenital disorders of metabolism
   Congenital disorders of glycan/glycoprotein metabolism
Protein evidence (Ezkurdia et al 2014)
   DeepTMHMM predicted membrane proteins
Show all
GO:0000030 [mannosyltransferase activity]
GO:0016740 [transferase activity]
GO:0016757 [glycosyltransferase activity]
GO:0097502 [mannosylation]
Show all
427 aa
48.1 kDa
No 0

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