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(-) Description

Title :  CRYSTAL STRUCTURE OF THE A ISOFORM OF HUMAN CYTOPLASMIC PROTEIN TYROSINE PHOSPHATASE (HCPTP-A) IN COMPLEX WITH 1-NAPHTYLACETIC ACID
 
Authors :  K. T. Homan, D. Balasubramaniam, C. V. Stauffacher
Date :  28 May 10  (Deposition) - 07 Dec 11  (Release) - 07 Dec 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.50
Chains :  Asym./Biol. Unit :  A
Keywords :  Tyrosine Phosphatase, Hydrolase, Protein-Ligand Complex (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. T. Homan, D. Balasubramaniam, C. V. Stauffacher
Structural Characterization Of A Secondary Binding Site On Low Molecular Weight Protein Tyrosine Phosphatases
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - LOW MOLECULAR WEIGHT PHOSPHOTYROSINE PROTEIN PHOSPHATASE
    ChainsA
    EC Number3.1.3.48, 3.1.3.2
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET11D
    Expression System StrainBL21-DE3
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    GeneACP1, APC1
    Organism CommonHUMAN
    Organism ScientificHOMO SAPIENS
    Organism Taxid9606
    SynonymLMW-PTPASE, LMW-PTP, LOW MOLECULAR WEIGHT CYTOSOLIC ACID PHOSPHATASE, RED CELL ACID PHOSPHATASE 1, ADIPOCYTE ACID PHOSPHATASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 1)
No.NameCountTypeFull Name
1NLA1Ligand/IonNAPHTHALEN-1-YL-ACETIC ACID

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREGLN A:76 , ILE A:77 , LYS A:79 , ARG A:101 , LYS A:102 , GLN A:105 , HOH A:167BINDING SITE FOR RESIDUE NLA A 158

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3N8I)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 3N8I)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (3, 3)

Asymmetric/Biological Unit (3, 3)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
1UniProtVAR_050526K7NPPAC_HUMANPolymorphism11691572AK6N
2UniProtVAR_006171Q106RPPAC_HUMANPolymorphism7576247AQ105R
3UniProtVAR_050527S137FPPAC_HUMANPolymorphism35569198AS136F

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3N8I)

(-) Exons   (6, 6)

Asymmetric/Biological Unit (6, 6)
 ENSEMBLUniProtKBPDB
No.Transcript IDExonExon IDGenome LocationLengthIDLocationLengthCountLocationLength
1.2cENST000002720652cENSE00001907935chr2:264872-265007136PPAC_HUMAN1-15151A:4-1411
1.5ENST000002720655ENSE00001617949chr2:271866-27193974PPAC_HUMAN15-39251A:14-3825
1.6bENST000002720656bENSE00001704285chr2:272037-272150114PPAC_HUMAN40-77381A:39-7638
1.8cENST000002720658cENSE00001653664chr2:275140-27520162PPAC_HUMAN78-98211A:77-9721
1.9ENST000002720659ENSE00001680540chr2:276980-277085106PPAC_HUMAN98-133361A:97-13236
1.10fENST0000027206510fENSE00001380378chr2:277227-2782831057PPAC_HUMAN134-158251A:133-15725

(-) 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:154
 aligned with PPAC_HUMAN | P24666 from UniProtKB/Swiss-Prot  Length:158

    Alignment length:154
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154    
           PPAC_HUMAN     5 ATKSVLFVCLGNICRSPIAEAVFRKLVTDQNISENWRVDSAATSGYEIGNPPDYRGQSCMKRHGIPMSHVARQITKEDFATFDYILCMDESNLRDLNRKSNQVKTCKAKIELLGSYDPQKQLIIEDPYYGNDSDFETVYQQCVRCCRAFLEKAH 158
               SCOP domains d3n8ia_ A: Tyrosine phosphatase                                                                                                                            SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeee....hhhhhhhhhhhhhhhhh.hhh.eeeeeee..........hhhhhhhhhhh...........hhhhhhhh.eeee.hhhhhhhhhhhhh.......eeee.hhhh.............hhhhhhhhhhhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) --N--------------------------------------------------------------------------------------------------R------------------------------F--------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
           Transcript 1 (1) Exon 1.2c  ------------------------Exon 1.6b  PDB: A:39-76 UniProt: 40-77Exon 1.8c            -----------------------------------Exon 1.10f  PDB: A:133-15 Transcript 1 (1)
           Transcript 1 (2) ----------Exon 1.5  PDB: A:14-38   ----------------------------------------------------------Exon 1.9  PDB: A:97-132             ------------------------- Transcript 1 (2)
                 3n8i A   4 ATKSVLFVCLGNICRSPIAEAVFRKLVTDQNISENWRVDSAATSGYEIGNPPDYRGQSCMKRHGIPMSHVARQITKEDFATFDYILCMDESNLRDLNRKSNQVKTCKAKIELLGSYDPQKQLIIEDPYYGNDSDFETVYQQCVRCCRAFLEKAH 157
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153    

   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
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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

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3N8I)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3N8I)

(-) Gene Ontology  (12, 12)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (PPAC_HUMAN | P24666)
molecular function
    GO:0003993    acid phosphatase activity    Catalysis of the reaction: an orthophosphoric monoester + H2O = an alcohol + phosphate, with an acid pH optimum.
    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:0004726    non-membrane spanning protein tyrosine phosphatase activity    Catalysis of the reaction: non-membrane spanning protein tyrosine phosphate + H2O = non-membrane spanning protein tyrosine + phosphate.
    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:0005515    protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
    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.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0009898    cytoplasmic side of plasma membrane    The leaflet the plasma membrane that faces the cytoplasm and any proteins embedded or anchored in it or attached to its surface.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        PPAC_HUMAN | P246661xww 4z99 4z9a 4z9b 5jnr 5jns 5jnt 5kqg 5kql 5kqm 5kqp 5pnt

(-) Related Entries Specified in the PDB File

3n8j
5pnt THE SAME PROTEIN WITH COMPLEXED WITH MES