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(-) Description

Title :  CRYSTAL STRUCTURE OF THE S. AUREUS PROTEIN TYROSINE PHOSPHATASE PTPA
 
Authors :  C. Grundner, S. Chou, K. Engel
Date :  25 Apr 11  (Deposition) - 07 Sep 11  (Release) - 23 May 12  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.03
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Phosphatase, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. Vega, S. Chou, K. Engel, M. E. Harrell, L. Rajagopal, C. Grundner
Structure And Substrate Recognition Of The Staphylococcus Aureus Protein Tyrosine Phosphatase Ptpa.
J. Mol. Biol. V. 413 24 2011
PubMed-ID: 21871460  |  Reference-DOI: 10.1016/J.JMB.2011.08.015

(-) Compounds

Molecule 1 - LOW MOLECULAR WEIGHT PROTEIN-TYROSINE-PHOSPHATASE PTPA
    Chains: A
    EC Number: 3.1.3.48
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: PTPA
    Mutation: YES
    Organism Scientific: STAPHYLOCOCCUS AUREUS
    Organism Taxid: 1280
    Synonym: PHOSPHOTYROSINE PHOSPHATASE A, PTPASE A
 
Molecule 2 - EXPRESSION TAG CLEAVED FROM PROTEIN-TYROSINE-PHOSPHATASE PTPA
    Chains: B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: PTPA
    Organism Scientific: STAPHYLOCOCCUS AUREUS
    Organism Taxid: 1280

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1PO42Ligand/IonPHOSPHATE ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:8 , LEU A:9 , GLY A:10 , ASN A:11 , ILE A:12 , CYS A:13 , ARG A:14 , ASP A:120 , TYR A:122 , HIS B:49BINDING SITE FOR RESIDUE PO4 A 201
2AC2SOFTWAREHIS A:37 , ARG A:39 , GLU A:71 , HOH A:527 , HOH A:581 , HOH A:582BINDING SITE FOR RESIDUE PO4 A 202

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3ROF)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3ROF)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3ROF)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3ROF)

(-) Exons   (0, 0)

(no "Exon" information available for 3ROF)

(-) 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:158
 aligned with PTPA_STAAU | P0C5D2 from UniProtKB/Swiss-Prot  Length:154

    Alignment length:158
                                 1                                                                                                                                                        
                                 |   5        15        25        35        45        55        65        75        85        95       105       115       125       135       145        
           PTPA_STAAU     - -----MVDVAFVCLGNICRSPMAEAIMRQRLKDRNIHDIKVHSRGTGSWNLGEPPHEGTQKILNKHNIPFDGMISELFEATDDFDYIVAMDQSNVDNIKSINPNLKGQLFKLLEFSNMEESDVPDPYYTNNFEGVYDMVLSSCDNLIDYIVKDANLKE 153
               SCOP domains d3rofa_ A: automated matches                                                                                                                                   SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeeeee....hhhhhhhhhhhhhhhhh....eeeeeee..........hhhhhhhhhhh...................eeee.hhhhhhhhhhhh.....eeee.hhhh........hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3rof A  -4 AYFQGMVDVAFVCLGNICRSPMAEAIMRQRLKDRNIHDIKVHSRGTGSWNLGEPPHEGTQKILNKHNIPFDGMISELFEATDDFDYIVAMDQSNVDNIKSINPNLKGQLFKLLEFSNMEESDVPDPYYTNNFEGVYDMVLSSCDNLIDYIVKDANLKG 153
                                     5        15        25        35        45        55        65        75        85        95       105       115       125       135       145        


Chain B from PDB  Type:PROTEIN  Length:7
                                       
               SCOP domains ------- SCOP domains
               CATH domains ------- CATH domains
               Pfam domains ------- Pfam domains
         Sec.struct. author ....... Sec.struct. author
                 SAPs(SNPs) ------- SAPs(SNPs)
                    PROSITE ------- PROSITE
                 Transcript ------- Transcript
                 3rof B  49 HHHHHGS  55
   Legend:   → Mismatch (orange background)
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  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  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
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3ROF)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3ROF)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (PTPA_STAAU | P0C5D2)
molecular function
    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: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.
biological process
    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.

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