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(-) Description

Title :  CRYSTAL STRUCTURE OF THE SALMONELLA TYROSINE PHOSPHATASE AND GTPASE ACTIVATING PROTEIN SPTP
 
Authors :  C. E. Stebbins, J. E. Galan
Date :  28 Oct 00  (Deposition) - 24 Jan 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  R
Keywords :  Virulence Factor, Tyrosine Phosphatase, Gtpase Activating Protein, 4-Helix Bundle, Disorder, Signaling Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. E. Stebbins, J. E. Galan
Modulation Of Host Signaling By A Bacterial Mimic: Structure Of The Salmonella Effector Sptp Bound To Rac1.
Mol. Cell V. 6 1449 2000
PubMed-ID: 11163217  |  Reference-DOI: 10.1016/S1097-2765(00)00141-6
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - PROTEIN TYROSINE PHOSPHATASE SPTP
    Chains: R
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21
    Expression System Plasmid: PGEX-4T-3
    Expression System Strain: BL21
    Expression System Taxid: 511693
    Expression System Vector Type: PLASMID
    Fragment: SPTP RESIDUES 161-543
    Gene: SPTP
    Organism Scientific: SALMONELLA TYPHIMURIUM
    Organism Taxid: 602

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : R

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1G4W)

(-) Sites  (0, 0)

(no "Site" information available for 1G4W)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1G4W)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1G4W)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1G4W)

(-) PROSITE Motifs  (3, 3)

Asymmetric/Biological Unit (3, 3)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1TYR_PHOSPHATASE_PTPPS50055 PTP type protein phosphatase family profile.SPTP_SALTY315-493  1R:315-493
2TYR_PHOSPHATASE_2PS50056 Tyrosine specific protein phosphatases family profile.SPTP_SALTY452-527  1R:452-527
3TYR_PHOSPHATASE_1PS00383 Tyrosine specific protein phosphatases active site.SPTP_SALTY479-489  1R:479-489

(-) Exons   (0, 0)

(no "Exon" information available for 1G4W)

(-) 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 R from PDB  Type:PROTEIN  Length:341
 aligned with SPTP_SALTY | P74873 from UniProtKB/Swiss-Prot  Length:543

    Alignment length:369
                                   180       190       200       210       220       230       240       250       260       270       280       290       300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530         
           SPTP_SALTY   171 LLDIALKGLKRTLPQLEQMDGNSLRENFQEMASGNGPLRSLMTNLQNLNKIPEAKQLNDYVTTLTNIQVGVARFSQWGTCGGEVERWVDKASTHELTQAVKKIHVIAKELKNVTAELEKIEAGAPMPQTMSGPTLGLARFAVSSIPINQQTQVKLSDGMPVPVNTLTFDGKPVALAGSYPKNTPDALEAHMKMLLEKECSCLVVLTSEDQMQAKQLPPYFRGSYTFGEVHTNSQKVSSASQGEAIDQYNMQLSCGEKRYTIPVLHVKNWPDHQPLPSTDQLEYLADRVKNSNQNGAPGRSSSDKHLPMIHCLGGVGRTGTMAAALVLKDNPHSNLEQVRADFRDSRNNRMLEDASQFVQLKAMQAQLLM 539
               SCOP domains d1g4wr1 R:171-290 SptP ty           rosine phosph     atase                                                                   d1g4wr2 R:297-539 SptP tyrosine phosphatase, catalytic domain                                                                                                                                                                                       SCOP domains
               CATH domains 1g4wR01 R:171-290  [code=           1.20.120.260,      no name defined]                                                       ----------------------1g4wR02 R:319-539 Protein tyrosine phosphatase superfamily                                                                                                                                                                    CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhh..hhhhh-----------hhhhhhhhhhhhh-----hhhhhhhhhhhh......hhhhh-----hhhhhhh-.hhhhhhhhhhhhhhhhhhhhhhhhhhhh.------.........................eee.....eeeeeeeee..eeeeeee.....hhhhhhhhhhhhhhhh...eee..hhhhhh..........eeee..eeeeeee.hhhh....eeeeeeeeee..eeeeeeeeee..........hhhhhhhhhhhhhh.................eee....hhhhhhhhhhhhhhhh...hhhhhhhhhhhhh......hhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------------------------------------------------------------------------------------------------------------------------------------------TYR_PHOSPHATASE_PTP  PDB: R:315-493 UniProt: 315-493                                                                                                                               ---------------------------------------------- PROSITE (1)
                PROSITE (2) -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TYR_PHOSPHATASE_2  PDB: R:452-527 UniProt: 452-527                          ------------ PROSITE (2)
                PROSITE (3) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------TYR_PHOSPHA-------------------------------------------------- PROSITE (3)
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1g4w R 171 LLDIALKGLKRTLPQLEQMDGNSLR-----------PLRSLMTNLQNLN-----KQLNDYVTTLTNIQVGVARFSQW-----EVERWVD-ASTHELTQAVKKIHVIAKELKNVTAELEKI------PQTMSGPTLGLARFAVSSIPINQQTQVKLSDGMPVPVNTLTFDGKPVALAGSYPKNTPDALEAHMKMLLEKECSCLVVLTSEDQMQAKQLPPYFRGSYTFGEVHTNSQKVSSASQGEAIDQYNMQLSCGEKRYTIPVLHVKNWPDHQPLPSTDQLEYLADRVKNSNQNGAPGRSSSDKHLPMIHCLGGVGRTGTMAAALVLKDNPHSNLEQVRADFRDSRNNRMLEDASQFVQLKAMQAQLLM 539
                                   180       190    |    -      |210        |-    |  230       240      |  -  |     |-|      270       280       290      |300       310       320       330       340       350       360       370       380       390       400       410       420       430       440       450       460       470       480       490       500       510       520       530         
                                                  195         207         219   225                   247   253   259 |                          290    297                                                                                                                                                                                                                                                  
                                                                                                                    261
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  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  (2, 2)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: Alpha and beta proteins (a/b) (23833)

(-) CATH Domains  (2, 2)

Asymmetric/Biological Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1G4W)

(-) Gene Ontology  (14, 14)

Asymmetric/Biological Unit(hide GO term definitions)
Chain R   (SPTP_SALTY | P74873)
molecular function
    GO:0005096    GTPase activator activity    Binds to and increases the activity of a GTPase, an enzyme that catalyzes the hydrolysis of GTP.
    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: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:0016311    dephosphorylation    The process of removing one or more phosphoric (ester or anhydride) residues from a molecule.
    GO:0009405    pathogenesis    The set of specific processes that generate the ability of an organism to induce an abnormal, generally detrimental state in another organism.
    GO:0035335    peptidyl-tyrosine dephosphorylation    The removal of phosphoric residues from peptidyl-O-phospho-tyrosine to form peptidyl-tyrosine.
    GO:0043547    positive regulation of GTPase activity    Any process that activates or increases the activity of a GTPase.
    GO:0006470    protein dephosphorylation    The process of removing one or more phosphoric residues from a protein.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    GO:0005615    extracellular space    That part of a multicellular organism outside the cells proper, usually taken to be outside the plasma membranes, and occupied by fluid.
    GO:0030430    host cell cytoplasm    The cytoplasm of a host cell.

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 Related Entries

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

UniProtKB/Swiss-Prot
        SPTP_SALTY | P74873: 1g4u 1jyo

(-) Related Entries Specified in the PDB File

1g4u SPTP-RAC1 TRANSITION STATE COMPLEX