Identification
BMDB Protein ID BMDBP01237
Secondary Accession Numbers None
Name Myotubularin
Synonyms Not Available
Gene Name MTM1
Protein Type Enzyme
Biological Properties
General Function Involved in protein tyrosine phosphatase activity
Specific Function Lipid phosphatase which dephosphorylates phosphatidylinositol 3-monophosphate (PI3P) and phosphatidylinositol 3,5-bisphosphate (PI(3,5)P2). Has also been shown to dephosphorylate phosphotyrosine- and phosphoserine-containing peptides. Negatively regulates EGFR degradation through regulation of EGFR trafficking from the late endosome to the lysosome. Plays a role in vacuolar formation and morphology. Regulates desmin intermediate filament assembly and architecture. Plays a role in mitochondrial morphology and positioning. Required for skeletal muscle maintenance but not for myogenesis. In skeletal muscles, stabilizes MTMR12 protein levels.
Pathways Not Available
Reactions Not Available
GO Classification Not Available
Cellular Location Not Available
Gene Properties
Chromosome Location X
Locus Xq28
SNPs MTM1
Gene Sequence Not Available
Protein Properties
Number of Residues 603
Molecular Weight 70020.0
Theoretical pI 8.79
Pfam Domain Function Not Available
Signals
  • None
Transmembrane Regions Not Available
Protein Sequence
>Myotubularin
MASAPTSKYNSHSLENESIKRTSRDGVNRDVGETLPRLPGEIRITDKEVIYICPFNGPIK
GRVYITNYRLYLRSLETDSALILDVPLGVISRIEKMGGATSRGENSYGLDITCKDLRNLR
FALKQEGHSRRDMFEILTRYAFPLAHSLPIFAFLNEEKFNVDGWTVYNPVEEYRRQGLPN
HHWRITFINKCYKLCDTYPALLVVPYRASDEDLRRVATFRSRNRIPVLSWIHPENKTVIV
RCSQPLVGMSGKRNKEDERYLDVIRETNRQVNKLTIYDARPNVNAVANKATGGGYESDDV
YHNAELFFLDIHNIHVMRESLKKVKDIVYPNVEESHWLSSLESTHWLEHIKLVLTGAIQV
ADRVSSGKSSVVVHCSDGWDRTAQLTSLAMLMLDSFYRSIEGFEILVQKEWISFGHKFAS
RIGHGDKNHADADRSPIFLQFIDCVWQMSKQFPTAFEFNERFLITILDHLYSCRFGTFLY
NCESAREKQKVTERTVSLWSLINSNKDKFKNPFYTKEINRVLYPVASMRHLELWVNYYIR
WNPRIKQQQPNPVEQRYMELLALRDEYIKRLDELQLANSAKLSDPSASPSSPSQMMPHVQ
THF
GenBank ID Protein AAI48079.1
UniProtKB/Swiss-Prot ID A6QLT4
UniProtKB/Swiss-Prot Entry Name MTM1_BOVIN
PDB IDs Not Available
GenBank Gene ID BC148078
GeneCard ID MTM1
GenAtlas ID Not Available
HGNC ID Not Available
References
General References Not Available