Hmdb loader
Identification
HMDB Protein ID HMDBP08956
Secondary Accession Numbers
  • 14685
Name Protein phosphatase Slingshot homolog 1
Synonyms
  1. SSH-1L
  2. SSH-like protein 1
  3. hSSH-1L
Gene Name SSH1
Protein Type Enzyme
Biological Properties
General Function Involved in phosphatase activity
Specific Function Protein phosphatase which regulates actin filament dynamics. Dephosphorylates and activates the actin binding/depolymerizing factor cofilin, which subsequently binds to actin filaments and stimulates their disassembly. Inhibitory phosphorylation of cofilin is mediated by LIMK1, which may also be dephosphorylated and inactivated by this protein.
Pathways
  • Regulation of actin cytoskeleton
Reactions
Protein tyrosine phosphate + Water → protein tyrosine + Phosphate details
A phosphoprotein + Water → a protein + Phosphate details
GO Classification
Biological Process
regulation of axonogenesis
regulation of actin polymerization or depolymerization
regulation of cellular protein metabolic process
regulation of lamellipodium assembly
cell morphogenesis
cellular response to ATP
actin cytoskeleton organization
peptidyl-tyrosine dephosphorylation
Cellular Component
cytoskeleton
cytoplasm
plasma membrane
cleavage furrow
lamellipodium
midbody
Function
phosphoprotein phosphatase activity
protein tyrosine phosphatase activity
hydrolase activity, acting on ester bonds
catalytic activity
hydrolase activity
phosphoric ester hydrolase activity
phosphatase activity
protein tyrosine/serine/threonine phosphatase activity
Molecular Function
protein tyrosine/serine/threonine phosphatase activity
actin binding
DNA binding
protein tyrosine phosphatase activity
Process
phosphorus metabolic process
phosphate metabolic process
dephosphorylation
protein amino acid dephosphorylation
metabolic process
cellular metabolic process
Cellular Location
  1. Cytoplasm
  2. cytoskeleton
  3. Cell projection
  4. Cleavage furrow
  5. lamellipodium
  6. Midbody
Gene Properties
Chromosome Location 12
Locus 12q24.11
SNPs SSH1
Gene Sequence
>3150 bp
ATGGCCCTGGTGACCCTGCAGCGCTCGCCCACGCCCAGCGCCGCCTCCTCCTCGGCCAGC
AACAGCGAGTTGGAGGCTGGCAGCGAAGAAGATCGAAAATTAAACCTCAGCTTAAGTGAG
AGCTTTTTCATGGTGAAAGGCGCAGCCCTCTTCTTACAACAGGGAAGCAGCCCTCAAGGC
CAGCGGAGTCTTCAGCACCCCCACAAGCATGCAGGTGATCTGCCTCAACATCTTCAGGTG
ATGATCAACCTTCTGCGTTGCGAAGACAGAATCAAGCTGGCAGTGCGCCTGGAGAGCGCC
TGGGCGGACCGGGTCCGGTACATGGTGGTGGTGTACAGCAGCGGGCGCCAGGACACCGAG
GAGAATATCTTGCTGGGAGTGGACTTTTCCAGTAAGGAAAGTAAAAGCTGCACCATTGGG
ATGGTTCTCCGACTGTGGAGCGACACGAAAATCCACCTTGATGGAGATGGTGGGTTCAGC
GTGAGCACAGCAGGAAGGATGCACATATTTAAGCCTGTGTCTGTCCAGGCCATGTGGTCT
GCCCTGCAGGTGCTTCACAAGGCCTGCGAAGTGGCCCGGAGGCACAACTACTTCCCCGGG
GGTGTAGCTCTCATCTGGGCTACCTACTATGAGAGCTGCATCAGCTCCGAGCAGAGCTGC
ATCAACGAGTGGAACGCCATGCAGGACCTGGAGTCTACGCGGCCCGACTCCCCCGCGCTA
TTTGTGGACAAGCCCACTGAAGGGGAAAGGACCGAGCGCCTCATCAAAGCCAAGCTCCGA
AGCATCATGATGAGCCAGGATCTAGAAAATGTGACTTCCAAAGAGATTCGTAATGAATTA
GAGAAACAGATGAATTGTAACTTGAAGGAACTCAAGGAATTTATAGACAATGAGATGCTA
CTTATCTTGGGACAGATGGACAAGCCCTCCCTTATCTTCGATCATCTTTATCTCGGCTCT
GAATGGAATGCATCCAATCTGGAGGAACTGCAGGGCTCAGGGGTTGATTACATTTTAAAT
GTTACCAGAGAAATCGATAATTTTTTTCCTGGCTTATTTGCATATCATAACATCCGAGTC
TACGATGAAGAGACCACAGACCTCCTCGCCCACTGGAATGAAGCGTATCATTTTATAAAC
AAAGCGAAGAGGAACCATTCCAAGTGCCTGGTGCATTGCAAAATGGGCGTGAGTCGCTCG
GCCTCCACAGTCATAGCCTATGCAATGAAGGAATTCGGCTGGCCTCTGGAAAAAGCATAT
AACTATGTAAAGCAGAAGCGCAGCATCACGCGCCCCAACGCGGGCTTTATGAGGCAGCTG
TCTGAGTATGAAGGCATCTTGGATGCAAGCAAACAGCGGCACAACAAGCTGTGGCGTCAG
CAGACAGACAGCAGCCTCCAGCAGCCTGTGGATGACCCTGCAGGACCTGGCGACTTCTTG
CCAGAGACCCCAGATGGCACCCCGGAAAGCCAGCTGCCCTTCTTGGATGATGCCGCCCAG
CCCGGCTTAGGGCCCCCCCTCCCCTGCTGTTTCCGGCGACTCTCAGACCCCCTTCTGCCT
TCCCCTGAGGATGAAACTGGCAGCTTGGTCCACCTGGAGGATCCGGAGAGGGAGGCTCTG
TTGGAGGAAGCTGCTCCACCTGCAGAGGTGCACAGGCCGGCCAGACAGCCCCAGCAAGGT
TCCGGACTCTGTGAGAAGGATGTGAAGAAGAAACTAGAGTTTGGGAGTCCCAAAGGTCGG
AGCGGCTCCTTGCTGCAGGTGGAGGAGACGGAAAGGGAGGAGGGCCTGGGAGCAGGGAGG
TGGGGGCAGCTTCCAACCCAGCTCGATCAAAACCTGCTCAACTCGGAGAACCTAAACAAC
AACAGCAAGAGGAGCTGTCCCAACGGCATGGAGGATGATGCTATATTTGGGATCCTTAAC
AAAGTGAAGCCTTCCTATAAATCCTGTGCCGACTGCATGTACCCTACAGCCAGCGGGGCT
CCTGAGGCCTCCAGGGAGCGATGTGAGGACCCCAATGCTCCCGCCATCTGCACCCAGCCA
GCCTTCCTACCCCACATCACGTCCTCCCCTGTGGCCCACTTGGCCAGCAGGTCCCGTGTT
CCGGAGAAGCCAGCCTCTGGCCCAACCGAACCTCCCCCGTTCCTACCACCAGCAGGCTCC
AGGAGGGCAGACACCAGTGGCCCTGGGGCTGGAGCTGCCCTAGAGCCACCAGCCAGCCTT
TTGGAACCTTCCAGAGAGACCCCAAAAGTCCTGCCAAAGTCCCTCCTTTTGAAGAATTCT
CACTGTGATAAGAACCCTCCCAGCACAGAAGTGGTAATAAAGGAAGAATCGTCACCCAAG
AAAGATATGAAGCCAGCCAAGGACCTGAGGCTTCTGTTCAGTAATGAATCTGAGAAGCCG
ACAACCAACAGCTACCTGATGCAGCACCAGGAGTCCATCATTCAGCTGCAGAAGGCAGGC
TTGGTCCGCAAGCACACCAAAGAGCTAGAGCGGCTGAAGAGCGTGCCTGCAGACCCAGCA
CCTCCCTCCAGGGATGGCCCTGCCAGCAGGCTGGAGGCCAGCATCCCCGAGGAGAGCCAG
GATCCAGCCGCGCTCCACGAGCTGGGCCCCCTGGTTATGCCCAGCCAGGCCGGGAGTGAT
GAGAAGTCAGAGGCCGCCCCCGCTTCATTGGAAGGAGGCTCACTGAAGAGCCCCCCTCCT
TTCTTCTACCGCCTGGACCACACCAGTAGTTTCTCAAAAGACTTTCTGAAGACCATCTGC
TACACCCCCACCTCCTCTTCCATGAGCTCCAACCTGACCCGGAGCTCCAGCAGCGATAGC
ATCCACAGTGTCCGTGGGAAGCCCGGGCTGGTGAAGCAGCGGACACAGGAGATTGAGACC
CGGCTCCGGCTGGCGGGCCTCACCGTCTCTTCCCCACTGAAGCGCTCACACTCTCTTGCC
AAGCTGGGGAGTCTCACCTTCTCAACGGAAGACCTGTCCAGTGAGGCTGACCCGTCCACC
GTCGCTGACTCCCAGGACACCACTTTGAGTGAATCTTCCTTCTTGCATGAGCCCCAGGGA
ACCCCGAGGGACCCAGCTGCAACCTCCAAACCATCAGGGAAACCCGCCCCAGAAAACTTA
AAGAGCCCTTCGTGGATGAGCAAAAGCTGA
Protein Properties
Number of Residues 1049
Molecular Weight 77429.595
Theoretical pI 6.128
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Protein phosphatase Slingshot homolog 1
MALVTLQRSPTPSAASSSASNSELEAGSEEDRKLNLSLSESFFMVKGAALFLQQGSSPQG
QRSLQHPHKHAGDLPQHLQVMINLLRCEDRIKLAVRLESAWADRVRYMVVVYSSGRQDTE
ENILLGVDFSSKESKSCTIGMVLRLWSDTKIHLDGDGGFSVSTAGRMHIFKPVSVQAMWS
ALQVLHKACEVARRHNYFPGGVALIWATYYESCISSEQSCINEWNAMQDLESTRPDSPAL
FVDKPTEGERTERLIKAKLRSIMMSQDLENVTSKEIRNELEKQMNCNLKELKEFIDNEML
LILGQMDKPSLIFDHLYLGSEWNASNLEELQGSGVDYILNVTREIDNFFPGLFAYHNIRV
YDEETTDLLAHWNEAYHFINKAKRNHSKCLVHCKMGVSRSASTVIAYAMKEFGWPLEKAY
NYVKQKRSITRPNAGFMRQLSEYEGILDASKQRHNKLWRQQTDSSLQQPVDDPAGPGDFL
PETPDGTPESQLPFLDDAAQPGLGPPLPCCFRRLSDPLLPSPEDETGSLVHLEDPEREAL
LEEAAPPAEVHRPARQPQQGSGLCEKDVKKKLEFGSPKGRSGSLLQVEETEREEGLGAGR
WGQLPTQLDQNLLNSENLNNNSKRSCPNGMEDDAIFGILNKVKPSYKSCADCMYPTASGA
PEASRERCEDPNAPAICTQPAFLPHITSSPVAHLASRSRVPEKPASGPTEPPPFLPPAGS
RRADTSGPGAGAALEPPASLLEPSRETPKVLPKSLLLKNSHCDKNPPSTEVVIKEESSPK
KDMKPAKDLRLLFSNESEKPTTNSYLMQHQESIIQLQKAGLVRKHTKELERLKSVPADPA
PPSRDGPASRLEASIPEESQDPAALHELGPLVMPSQAGSDEKSEAAPASLEGGSLKSPPP
FFYRLDHTSSFSKDFLKTICYTPTSSSMSSNLTRSSSSDSIHSVRGKPGLVKQRTQEIET
RLRLAGLTVSSPLKRSHSLAKLGSLTFSTEDLSSEADPSTVADSQDTTLSESSFLHEPQG
TPRDPAATSKPSGKPAPENLKSPSWMSKS
GenBank ID Protein 239047414
UniProtKB/Swiss-Prot ID Q8WYL5
UniProtKB/Swiss-Prot Entry Name SSH1_HUMAN
PDB IDs Not Available
GenBank Gene ID NM_018984.3
GeneCard ID SSH1
GenAtlas ID SSH1
HGNC ID HGNC:30579
References
General References
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  3. Beausoleil SA, Jedrychowski M, Schwartz D, Elias JE, Villen J, Li J, Cohn MA, Cantley LC, Gygi SP: Large-scale characterization of HeLa cell nuclear phosphoproteins. Proc Natl Acad Sci U S A. 2004 Aug 17;101(33):12130-5. Epub 2004 Aug 9. [PubMed:15302935 ]
  4. Gauci S, Helbig AO, Slijper M, Krijgsveld J, Heck AJ, Mohammed S: Lys-N and trypsin cover complementary parts of the phosphoproteome in a refined SCX-based approach. Anal Chem. 2009 Jun 1;81(11):4493-501. doi: 10.1021/ac9004309. [PubMed:19413330 ]
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  7. Niwa R, Nagata-Ohashi K, Takeichi M, Mizuno K, Uemura T: Control of actin reorganization by Slingshot, a family of phosphatases that dephosphorylate ADF/cofilin. Cell. 2002 Jan 25;108(2):233-46. [PubMed:11832213 ]
  8. Kaji N, Ohashi K, Shuin M, Niwa R, Uemura T, Mizuno K: Cell cycle-associated changes in Slingshot phosphatase activity and roles in cytokinesis in animal cells. J Biol Chem. 2003 Aug 29;278(35):33450-5. Epub 2003 Jun 14. [PubMed:12807904 ]
  9. Nishita M, Tomizawa C, Yamamoto M, Horita Y, Ohashi K, Mizuno K: Spatial and temporal regulation of cofilin activity by LIM kinase and Slingshot is critical for directional cell migration. J Cell Biol. 2005 Oct 24;171(2):349-59. Epub 2005 Oct 17. [PubMed:16230460 ]
  10. Nagata-Ohashi K, Ohta Y, Goto K, Chiba S, Mori R, Nishita M, Ohashi K, Kousaka K, Iwamatsu A, Niwa R, Uemura T, Mizuno K: A pathway of neuregulin-induced activation of cofilin-phosphatase Slingshot and cofilin in lamellipodia. J Cell Biol. 2004 May 24;165(4):465-71. [PubMed:15159416 ]
  11. Wang Y, Shibasaki F, Mizuno K: Calcium signal-induced cofilin dephosphorylation is mediated by Slingshot via calcineurin. J Biol Chem. 2005 Apr 1;280(13):12683-9. Epub 2005 Jan 24. [PubMed:15671020 ]
  12. Ohta Y, Kousaka K, Nagata-Ohashi K, Ohashi K, Muramoto A, Shima Y, Niwa R, Uemura T, Mizuno K: Differential activities, subcellular distribution and tissue expression patterns of three members of Slingshot family phosphatases that dephosphorylate cofilin. Genes Cells. 2003 Oct;8(10):811-24. [PubMed:14531860 ]
  13. Endo M, Ohashi K, Sasaki Y, Goshima Y, Niwa R, Uemura T, Mizuno K: Control of growth cone motility and morphology by LIM kinase and Slingshot via phosphorylation and dephosphorylation of cofilin. J Neurosci. 2003 Apr 1;23(7):2527-37. [PubMed:12684437 ]
  14. Dai S, Sarmiere PD, Wiggan O, Bamburg JR, Zhou D: Efficient Salmonella entry requires activity cycles of host ADF and cofilin. Cell Microbiol. 2004 May;6(5):459-71. [PubMed:15056216 ]
  15. Nishita M, Wang Y, Tomizawa C, Suzuki A, Niwa R, Uemura T, Mizuno K: Phosphoinositide 3-kinase-mediated activation of cofilin phosphatase Slingshot and its role for insulin-induced membrane protrusion. J Biol Chem. 2004 Feb 20;279(8):7193-8. Epub 2003 Nov 26. [PubMed:14645219 ]