Homo sapiens      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 15 genes.  Reviewed (15 or Unreviewed (0

No.StatusiEKPD IDEnsemble Gene IDUniProt AccessionGene Name
1
iEKPD-Hos-0530
ENSG00000171100.14
Q13496
MTM1
2
iEKPD-Hos-0533
ENSG00000063601.16
Q13613
MTMR1
3
iEKPD-Hos-0543
ENSG00000166912.16
Q9NXD2
MTMR10
4
iEKPD-Hos-0539
ENSG00000014914.20
A4FU01
MTMR11
5
iEKPD-Hos-0537
ENSG00000150712.10
Q9C0I1
MTMR12
6
iEKPD-Hos-0545
ENSG00000163719.19
Q8NCE2
MTMR14
7
iEKPD-Hos-0531
ENSG00000087053.18
Q13614
MTMR2
8
iEKPD-Hos-0582
ENSG00000100330.15
Q13615
MTMR3
9
iEKPD-Hos-0574
ENSG00000108389.9
Q9NYA4
MTMR4
10
iEKPD-Hos-0529
ENSG00000139505.11
Q9Y217
MTMR6
11
iEKPD-Hos-0532
ENSG00000003987.13
Q9Y216
MTMR7
12
iEKPD-Hos-0534
ENSG00000102043.15
Q96EF0
MTMR8
13
iEKPD-Hos-0535
ENSG00000104643.9
Q96QG7
MTMR9
14
iEKPD-Hos-0591
ENSG00000100241.20
O95248
SBF1
15
iEKPD-Hos-0580
ENSG00000133812.15
Q86WG5
SBF2