Loxodonta africana      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-Loa-0549
ENSLAFG00000008822.2
G3T2K6
LOC100658872
2
iEKPD-Loa-0547
ENSLAFG00000006365.3
G3SY21
MTM1
3
iEKPD-Loa-0546
ENSLAFG00000006366.3
G3UNE4
MTMR1
4
iEKPD-Loa-0555
ENSLAFG00000018374.4
G3TKN5
MTMR10
5
iEKPD-Loa-0556
ENSLAFG00000008533.4
G3T205
MTMR11
6
iEKPD-Loa-0557
ENSLAFG00000017955.3
G3TJW4
MTMR12
7
iEKPD-Loa-0552
ENSLAFG00000010144.3
G3T525
MTMR14
8
iEKPD-Loa-0544
ENSLAFG00000008600.4
G3T254
MTMR2
9
iEKPD-Loa-0578
ENSLAFG00000011600.3
G3T7T8
MTMR3
10
iEKPD-Loa-0599
ENSLAFG00000003379.3
G3SS96
MTMR4
11
iEKPD-Loa-0548
ENSLAFG00000008869.3
G3UBC1
MTMR6
12
iEKPD-Loa-0545
ENSLAFG00000002059.3
G3SPR3
MTMR7
13
iEKPD-Loa-0550
ENSLAFG00000015955.3
G3TG20
MTMR9
14
iEKPD-Loa-0606
ENSLAFG00000027298.1
G3UIF6
SBF1
15
iEKPD-Loa-0600
ENSLAFG00000008350.3
G3UCX3
SBF2