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(-) Description

Title :  CRYSTAL STRUCTURE OF HUMAN DUSP18
 
Authors :  S. J. Kim, S. E. Ryu, D. G. Jeong, Y. H. Cho, T. S. Yoon, J. H. Kim
Date :  25 Oct 05  (Deposition) - 06 Jun 06  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym./Biol. Unit :  A
Keywords :  Alpha/Beta Structure, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  D. G. Jeong, Y. H. Cho, T. S. Yoon, J. H. Kim, J. H. Son, S. E. Ryu, S. J. Kim
Structure Of Human Dsp18, A Member Of The Dual-Specificity Protein Tyrosine Phosphatase Family.
Acta Crystallogr. , Sect. D V. 62 582 2006
PubMed-ID: 16699184  |  Reference-DOI: 10.1107/S0907444906010109
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - DUAL SPECIFICITY PROTEIN PHOSPHATASE 18
    ChainsA
    EC Number3.1.3.48, 3.1.3.16
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymDUAL SPECIFIC PHOSPHATASE 18, LOW MOLECULAR WEIGHT DUAL SPECIFICITY PHOSPHATASE 20

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 2)

Asymmetric/Biological Unit (2, 2)
No.NameCountTypeFull Name
1ACT1Ligand/IonACETATE ION
2EPE1Ligand/Ion4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETHR A:24 , LYS A:25 , HIS A:123BINDING SITE FOR RESIDUE ACT A 1001
2AC2SOFTWAREASP A:73 , CYS A:104 , ALA A:105 , ALA A:106 , GLY A:107 , VAL A:108 , SER A:109 , ARG A:110 , HOH A:1063 , HOH A:1152BINDING SITE FOR RESIDUE EPE A 1002

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2ESB)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2ESB)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2ESB)

(-) PROSITE Motifs  (3, 3)

Asymmetric/Biological Unit (3, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TYR_PHOSPHATASE_DUALPS50054 Dual specificity protein phosphatase family profile.DUS18_HUMAN19-159  1A:19-159
2TYR_PHOSPHATASE_2PS50056 Tyrosine specific protein phosphatases family profile.DUS18_HUMAN80-139  1A:80-139
3TYR_PHOSPHATASE_1PS00383 Tyrosine specific protein phosphatases active site.DUS18_HUMAN102-112  1A:102-112

(-) Exons   (1, 1)

Asymmetric/Biological Unit (1, 1)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.1aENST000003346791aENSE00001940744chr22:31063877-31063449429DUS18_HUMAN-00--
1.3fENST000003346793fENSE00001332764chr22:31060067-310580182050DUS18_HUMAN1-2142141A:18-179162

(-) Sequences/Alignments

Asymmetric/Biological Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it)
Chain A from PDB  Type:PROTEIN  Length:162
 aligned with DUS18_HUMAN | Q8NEJ0 from UniProtKB/Swiss-Prot  Length:188

    Alignment length:162
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177  
          DUS18_HUMAN    18 SGLSQITKSLYISNGVAANNKLMLSSNQITMVINVSVEVVNTLYEDIQYMQVPVADSPNSRLCDFFDPIADHIHSVEMKQGRTLLHCAAGVSRSAALCLAYLMKYHAMSLLDAHTWTKSCRPIIRPNSGFWEQLIHYEFQLFGKNTVHMVSSPVGMIPDIYE 179
               SCOP domains d2esba_ A: automated matches                                                                                                                                       SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...eeee..eeee..hhhhhhhhhhhh...eeee.............eeee.........hhhhhhhhhhhhhhhhhhh...eeee.....hhhhhhhhhhhhhhh..hhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhh.....ee......ee.hhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) -TYR_PHOSPHATASE_DUAL  PDB: A:19-159 UniProt: 19-159                                                                                          -------------------- PROSITE (1)
                PROSITE (2) --------------------------------------------------------------TYR_PHOSPHATASE_2  PDB: A:80-139 UniProt: 80-139            ---------------------------------------- PROSITE (2)
                PROSITE (3) ------------------------------------------------------------------------------------TYR_PHOSPHA------------------------------------------------------------------- PROSITE (3)
               Transcript 1 Exon 1.3f  PDB: A:18-179 UniProt: 1-214 [INCOMPLETE]                                                                                                               Transcript 1
                 2esb A  18 SGLSQITKSLYISNGVAANNKLMLSSNQITMVINVSVEVVNTLYEDIQYMQVPVADSPNSRLCDFFDPIADHIHSVEMKQGRTLLHCAAGVSRSAALCLAYLMKYHAMSLLDAHTWTKSCRPIIRPNSGFWEQLIHYEFQLFGKNTVHMVSSPVGMIPDIYE 179
                                    27        37        47        57        67        77        87        97       107       117       127       137       147       157       167       177  

   Legend:   → Mismatch (orange background)
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  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 1)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2ESB)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 2ESB)

(-) Gene Ontology  (15, 15)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (DUS18_HUMAN | Q8NEJ0)
molecular function
    GO:0017017    MAP kinase tyrosine/serine/threonine phosphatase activity    Catalysis of the reaction: MAP kinase serine/threonine/tyrosine phosphate + H2O = MAP kinase serine/threonine/tyrosine + phosphate.
    GO:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0016791    phosphatase activity    Catalysis of the hydrolysis of phosphoric monoesters, releasing inorganic phosphate.
    GO:0004721    phosphoprotein phosphatase activity    Catalysis of the reaction: a phosphoprotein + H2O = a protein + phosphate. Together with protein kinases, these enzymes control the state of phosphorylation of cell proteins and thereby provide an important mechanism for regulating cellular activity.
    GO:0004725    protein tyrosine phosphatase activity    Catalysis of the reaction: protein tyrosine phosphate + H2O = protein tyrosine + phosphate.
    GO:0008138    protein tyrosine/serine/threonine phosphatase activity    Catalysis of the reactions: protein serine + H2O = protein serine + phosphate; protein threonine phosphate + H2O = protein threonine + phosphate; and protein tyrosine phosphate + H2O = protein tyrosine + phosphate.
biological process
    GO:0016311    dephosphorylation    The process of removing one or more phosphoric (ester or anhydride) residues from a molecule.
    GO:0000188    inactivation of MAPK activity    Any process that terminates the activity of the active enzyme MAP kinase.
    GO:0035335    peptidyl-tyrosine dephosphorylation    The removal of phosphoric residues from peptidyl-O-phospho-tyrosine to form peptidyl-tyrosine.
    GO:0006470    protein dephosphorylation    The process of removing one or more phosphoric residues from a protein.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0031314    extrinsic component of mitochondrial inner membrane    The component of mitochondrial inner membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.
    GO:0005758    mitochondrial intermembrane space    The region between the inner and outer lipid bilayers of the mitochondrial envelope.
    GO:0005654    nucleoplasm    That part of the nuclear content other than the chromosomes or the nucleolus.
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.

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