Solanum tuberosum      Asp-Based PTP      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 a important role in cell survival in budding and fission yeasts. SCP1 preferentially dephosphorylate Ser5 in CTD domain of RNA polymerase II and play a role in the regulation of gene expression by controlling the transition from initiation/capping to processive transcript elongation (3). In addition, SCP1 also act 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 11 genes.  Reviewed (0 or Unreviewed (11

No.StatusEKPD IDGene IDGene Name
1
EPS-SOT-00118
PGSC0003DMG400024901
PGSC0003DMG400024901
2
EPS-SOT-00123
PGSC0003DMG400024534
PGSC0003DMG400024534
3
EPS-SOT-00120
PGSC0003DMG402002685
PGSC0003DMG402002685
4
EPS-SOT-00119
PGSC0003DMG400020522
PGSC0003DMG400020522
5
EPS-SOT-00114
PGSC0003DMG400003085
PGSC0003DMG400003085
6
EPS-SOT-00122
PGSC0003DMG402004066
PGSC0003DMG402004066
7
EPS-SOT-00116
PGSC0003DMG400027123
PGSC0003DMG400027123
8
EPS-SOT-00121
PGSC0003DMG400026552
PGSC0003DMG400026552
9
EPS-SOT-00115
PGSC0003DMG400028411
PGSC0003DMG400028411
10
EPS-SOT-00117
PGSC0003DMG400022178
PGSC0003DMG400022178
11
EPS-SOT-00113
PGSC0003DMG400017678
PGSC0003DMG400017678