Mus musculus      Asp-Based PSP/FCP


※ FCP family introduction

    FCP/SCP phosphatase belongs to a family of phosphatase which uses an Asp nucleophile for catalysis. FCP/SCP is characterized by its phosphatase activity towards the CTD of the largest subunit of RNA polymerase II (1). At least seven members have been identified in human genome and FCP/SCP phosphatases share a conserved catalytic signature, which is known as DXDXT/V (2). Family member FCP1 is conserved among all eukaryotes and plays an important role in cell survival in budding and fission yeasts. SCP1 preferentially dephosphorylates Ser5 in CTD domain of RNA polymerase II and plays a role in the regulation of gene expression by controlling the transition from initiation/capping to processive transcript elongation (3). In addition, SCP1 also acts as a key regulator that functions in silencing neuronal gene expression (4).

Reference
1. Shi, Y. (2009) Serine/threonine phosphatases: mechanism through structure. Cell, 139, 468-484. PMID: 19879837
2. Moorhead, G.B., Trinkle-Mulcahy, L. and Ulke-Lemee, A. (2007) Emerging roles of nuclear protein phosphatases. Nat Rev Mol Cell Biol, 8, 234-244. PMID: 17318227
3. Yeo, M., Lin, P.S., Dahmus, M.E. and Gill, G.N. (2003) A novel RNA polymerase II C-terminal domain phosphatase that preferentially dephosphorylates serine 5. J Biol Chem, 278, 26078-26085. PMID: 12721286
4. Yeo, M., Lee, S.K., Lee, B., Ruiz, E.C., Pfaff, S.L. and Gill, G.N. (2005) Small CTD phosphatases function in silencing neuronal gene expression. Science, 307, 596-600. PMID: 15681389


There are 8 genes.  Reviewed (8 or Unreviewed (0

No.StatusiEKPD IDEnsemble Gene IDUniProt AccessionGene Name
1
iEKPD-Mum-0513
ENSMUSG00000018559.16
Q3TP92
Ctdnep1
2
iEKPD-Mum-1314
ENSMUSG00000033323.13
Q7TSG2
Ctdp1
3
iEKPD-Mum-0515
ENSMUSG00000026176.13
P58466
Ctdsp1
4
iEKPD-Mum-0510
ENSMUSG00000078429.9
Q8BX07
Ctdsp2
5
iEKPD-Mum-0514
ENSMUSG00000047409.13
P58465
Ctdspl
6
iEKPD-Mum-0528
ENSMUSG00000033411.16
Q8BG15
Ctdspl2
7
iEKPD-Mum-0519
ENSMUSG00000003438.17
Q9D880
Timm50
8
iEKPD-Mum-0516
ENSMUSG00000041231.15
Q8BGR9
Ublcp1