Pongo abelii      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 (0 or Unreviewed (15

No.StatusiEKPD IDEnsemble Gene IDUniProt AccessionGene Name
1
iEKPD-Poa-0527
ENSPPYG00000006289.1
H2NMN4
2
iEKPD-Poa-0524
ENSPPYG00000020815.2
H2PX23
MTM1
3
iEKPD-Poa-0528
ENSPPYG00000020816.2
H2PX24
MTMR1
4
iEKPD-Poa-0542
ENSPPYG00000000911.1
H2N607
MTMR11
5
iEKPD-Poa-0549
ENSPPYG00000015377.2
H2PF97
MTMR12
6
iEKPD-Poa-0536
ENSPPYG00000013683.2
H2PA55
MTMR14
7
iEKPD-Poa-0529
ENSPPYG00000003792.2
H2NF09
MTMR2
8
iEKPD-Poa-0577
ENSPPYG00000011699.2
H2P405
MTMR3
9
iEKPD-Poa-0583
ENSPPYG00000008230.2
K7ETK8
MTMR4
10
iEKPD-Poa-0530
ENSPPYG00000005221.2
H2NJF7
MTMR6
11
iEKPD-Poa-0535
ENSPPYG00000018387.1
H2PPM8
MTMR7
12
iEKPD-Poa-0531
ENSPPYG00000020414.2
H2PVU7
MTMR8
13
iEKPD-Poa-0532
ENSPPYG00000018357.2
H2PPJ9
MTMR9
14
iEKPD-Poa-0582
ENSPPYG00000011986.1
H2P4W6
SBF1
15
iEKPD-Poa-0587
ENSPPYG00000003492.2
H2NE44
SBF2