Monodelphis domestica      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-Mod-0543
ENSMODG00000017474.3
F7FF42
LOC100032294
2
iEKPD-Mod-0541
ENSMODG00000005671.3
F6VKN4
MTM1
3
iEKPD-Mod-0537
ENSMODG00000005714.2
F6U3R9
MTMR1
4
iEKPD-Mod-0539
ENSMODG00000011784.1
F7CC74
MTMR10
5
iEKPD-Mod-0552
ENSMODG00000018769.4
F7DXN5
MTMR11
6
iEKPD-Mod-0560
ENSMODG00000020416.3
F7BDM3
MTMR12
7
iEKPD-Mod-0547
ENSMODG00000004830.3
F6ULA6
MTMR14
8
iEKPD-Mod-0544
ENSMODG00000000116.3
F6YBR1
MTMR2
9
iEKPD-Mod-0561
ENSMODG00000009082.3
F6Y6D4
MTMR3
10
iEKPD-Mod-0593
ENSMODG00000014697.3
F7D3Q3
MTMR4
11
iEKPD-Mod-0542
ENSMODG00000008567.2
F7CX78
MTMR6
12
iEKPD-Mod-0540
ENSMODG00000019051.3
F7AXZ0
MTMR7
13
iEKPD-Mod-0546
ENSMODG00000019212.3
H9H7A7
MTMR8
14
iEKPD-Mod-0538
ENSMODG00000008953.2
F7GCP6
MTMR9
15
iEKPD-Mod-0601
ENSMODG00000008083.3
F6YJ40
SBF2