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Function
Transfers mannosyl residues to the hydroxyl group of serine or threonine residues. Coexpression of both POMT1 and POMT2 is necessary for enzyme activity, expression of either POMT1 or POMT2 alone is insufficient.
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Tissue specificity
Highly expressed in testis; detected at low levels in most tissues.
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Pathway
Protein modification; protein glycosylation.
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Involvement in disease
Muscular dystrophy-dystroglycanopathy congenital with brain and eye anomalies A2 (MDDGA2) [MIM:613150]: An autosomal recessive disorder characterized by congenital muscular dystrophy associated with cobblestone lissencephaly and other brain anomalies, eye malformations, profound mental retardation, and death usually in the first years of life. Included diseases are the more severe Walker-Warburg syndrome and the slightly less severe muscle-eye-brain disease. Note=The disease is caused by mutations affecting the gene represented in this entry.
Muscular dystrophy-dystroglycanopathy congenital with mental retardation B2 (MDDGB2) [MIM:613156]: An autosomal recessive disorder characterized by congenital muscular dystrophy associated with mental retardation and mild structural brain abnormalities. Note=The disease is caused by mutations affecting the gene represented in this entry.
Muscular dystrophy-dystroglycanopathy limb-girdle C2 (MDDGC2) [MIM:613158]: An autosomal recessive muscular dystrophy with onset after ambulation is achieved. MDDGC2 is characterized by increased serum creatine kinase and mild muscle weakness. Muscle biopsy shows dystrophic changes, inflammatory changes, and severely decreased alpha-dystroglycan. Cognition is normal. Note=The disease is caused by mutations affecting the gene represented in this entry.
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Sequence similarities
Belongs to the glycosyltransferase 39 family.
Contains 3 MIR domains.
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Post-translational
modifications
N-glycosylated.
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Cellular localization
Endoplasmic reticulum membrane.
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Information by UniProt
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Database links
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Alternative names
- A830009D15Rik antibody
- AW046274 antibody
- DKFZp686G10254 antibody
- Dolichyl phosphate mannose protein mannosyltransferase 2 antibody
- Dolichyl-phosphate-mannose--protein mannosyltransferase 2 antibody
- FLJ22309 antibody
- LGMD2N antibody
- MDDGA2 antibody
- MDDGB2 antibody
- MDDGC2 antibody
- POMT 2 antibody
- Pomt2 antibody
- POMT2_HUMAN antibody
- Protein O mannosyltransferase 2 antibody
- Protein O mannosyltransferase antibody
- Protein O-mannosyl-transferase 2 antibody
- Putative protein O mannosyltransferase antibody
- rCG_20643 antibody
see all