Pelodiscus sinensis      DSP/Myotubularins


※ Myotubularins family introduction

    Myotubularins (MTM) phosphatases belong to a family of conserved DUSP phosphatase. The myotubularins is consist of 14 members which share a conserved protein tyrosine phosphatase catalytic domain and myotubularins is a large family of phosphoinositide lipid 3-phosphatases with specificity for PtdIns3P and PtdIns (3, 5) P2. Besides PTP domain, myotubularins also contains other motifs which may contribute to protein−protein or protein−lipid interactions. Myotubularins participates in endocytic pathway by regulating substrates PtdIns3P and PtdIns (3,5)P2 which are key regulator of endocytic pathway and myotubularins may function to suppress concentration of substrate lipids at inappropriate compartments. In addition, some studies show that several MTMs, such as MTMR1, MTMR6, MTMR7, MTMR8 and MTMR12 play an important role in promoting cell survival by regulating PtdIns5P level and PtdIns (3,4,5)P3 specific 5-phosphatase, in turn control PKB/Akt activation. Myotubularins mutation is often accompanied with some diseases. MTM1 mutation can lead to condition known as myotubular myopathy. MTMR2 and MTMR13/Sbf2 mutations lead to clinically indistinguishable forms of a neuropathy called Charcot−Marie−Tooth syndrome (types 4B1 and 4B2). MTMR2 and MTMR5/Sbf1 mutations lead to impaired spermatogenesis and azoospermia.

Reference
1. Clague, M.J. and Lorenzo, O. (2005) The myotubularin family of lipid phosphatases. Traffic, 6, 1063-1069. PMID: 16262718


There are 14 genes.  Reviewed (0 or Unreviewed (14

No.StatusiEKPD IDEnsemble Gene IDUniProt AccessionGene Name
1
iEKPD-Pes-0513
ENSPSIG00000012503.1
K7G131
2
iEKPD-Pes-0508
ENSPSIG00000013301.1
K7G3X3
MTM1
3
iEKPD-Pes-0502
ENSPSIG00000014492.1
K7G817
MTMR1
4
iEKPD-Pes-0516
ENSPSIG00000016934.1
K7GFQ1
MTMR10
5
iEKPD-Pes-0506
ENSPSIG00000009497.1
K7FR35
MTMR11
6
iEKPD-Pes-0510
ENSPSIG00000005869.1
K7FE73
MTMR12
7
iEKPD-Pes-0507
ENSPSIG00000007389.1
K7FJU1
MTMR2
8
iEKPD-Pes-0544
ENSPSIG00000003202.1
K7F5N1
MTMR3
9
iEKPD-Pes-0519
ENSPSIG00000008484.1
K7FMP4
MTMR4
10
iEKPD-Pes-0511
ENSPSIG00000009130.1
K7FPT3
MTMR6
11
iEKPD-Pes-0503
ENSPSIG00000013401.1
K7G4A4
MTMR7
12
iEKPD-Pes-0505
ENSPSIG00000005656.1
K7FDP6
MTMR8
13
iEKPD-Pes-0512
ENSPSIG00000007209.1
K7FIY1
MTMR9
14
iEKPD-Pes-0546
ENSPSIG00000016654.1
K7GF73
SBF2