Ictidomys tridecemlineatus      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 16 genes.  Reviewed (0 or Unreviewed (16

No.StatusiEKPD IDEnsemble Gene IDUniProt AccessionGene Name
1
iEKPD-Ict-0547
ENSSTOG00000025266.2
I3MZ61
LOC101958718
2
iEKPD-Ict-0482
ENSSTOG00000015788.3
A0A287CWR1
MTM1
3
iEKPD-Ict-0483
ENSSTOG00000015796.3
I3MQE1
MTMR1
4
iEKPD-Ict-0568
ENSSTOG00000008851.3
I3MCF2
MTMR10
5
iEKPD-Ict-0560
ENSSTOG00000006589.3
I3M881
MTMR11
6
iEKPD-Ict-0569
ENSSTOG00000008714.3
I3MC57
MTMR12
7
iEKPD-Ict-0551
ENSSTOG00000002048.3
I3LZP1
MTMR14
8
iEKPD-Ict-0548
ENSSTOG00000002284.3
A0A287D9R4
MTMR2
9
iEKPD-Ict-0495
ENSSTOG00000032750.1
A0A287DC02
MTMR3
10
iEKPD-Ict-0590
ENSSTOG00000012795.3
A0A287D6J3
MTMR4
11
iEKPD-Ict-0554
ENSSTOG00000005192.3
I3M5N0
MTMR6
12
iEKPD-Ict-0561
ENSSTOG00000009195.3
I3MD55
MTMR7
13
iEKPD-Ict-0489
ENSSTOG00000025360.2
I3N578
MTMR8
14
iEKPD-Ict-0552
ENSSTOG00000020537.2
I3NCS7
MTMR9
15
iEKPD-Ict-0604
ENSSTOG00000014827.3
I3MNN3
SBF1
16
iEKPD-Ict-0600
ENSSTOG00000014950.3
I3MNY4
SBF2