Mus musculus      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 (13 or Unreviewed (1

No.StatusiEKPD IDEnsemble Gene IDUniProt AccessionGene Name
1
iEKPD-Mum-0547
ENSMUSG00000031337.16
Q9Z2C5
Mtm1
2
iEKPD-Mum-0545
ENSMUSG00000015214.14
Q9Z2C4
Mtmr1
3
iEKPD-Mum-0557
ENSMUSG00000030522.14
Q7TPM9
Mtmr10
4
iEKPD-Mum-0548
ENSMUSG00000045934.15
Q3V1L6
Mtmr11
5
iEKPD-Mum-0555
ENSMUSG00000039458.15
Q80TA6
Mtmr12
6
iEKPD-Mum-0549
ENSMUSG00000030269.14
Q8VEL2
Mtmr14
7
iEKPD-Mum-0546
ENSMUSG00000031918.16
Q9Z2D1
Mtmr2
8
iEKPD-Mum-0586
ENSMUSG00000034354.17
Q8K296
Mtmr3
9
iEKPD-Mum-0606
ENSMUSG00000018401.17
Q91XS1
Mtmr4
10
iEKPD-Mum-0544
ENSMUSG00000021987.9
Q8VE11
Mtmr6
11
iEKPD-Mum-0550
ENSMUSG00000039431.16
Q9Z2C9
Mtmr7
12
iEKPD-Mum-0543
ENSMUSG00000035078.6
Q9Z2D0
Mtmr9
13
iEKPD-Mum-0605
ENSMUSG00000036529.17
Q6ZPE2
Sbf1
14
iEKPD-Mum-0594
ENSMUSG00000038371.15
E9PXF8
Sbf2