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(-) Description

Title :  CRYSTAL STRUCTURE OF THE PPM SER-THR PHOSPHATASE MSPP FROM MYCOBACTERIUM SMEGMATIS AT PH 5.5
 
Authors :  A. Wehenkel, M. Bellinzoni, F. Schaeffer, A. Villarino, P. M. Alzari
Date :  08 May 07  (Deposition) - 16 Oct 07  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.05
Chains :  Asym./Biol. Unit :  A
Keywords :  Pp2C-Like Phosphatase, Metal Binding, Mycobacterium, Regulatory Protein, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Wehenkel, M. Bellinzoni, F. Schaeffer, A. Villarino, P. M. Alzari
Structural And Binding Studies Of The Three-Metal Center In Two Mycobacterial Ppm Ser/Thr Protein Phosphatases.
J. Mol. Biol. V. 374 890 2007
PubMed-ID: 17961594  |  Reference-DOI: 10.1016/J.JMB.2007.09.076

(-) Compounds

Molecule 1 - SER-THR PHOSPHATASE MSPP
    Chains: A
    EC Number: 3.1.3.-
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector: PET-28A
    Organism Scientific: MYCOBACTERIUM SMEGMATIS
    Organism Taxid: 1772
    Strain: MC2155

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 4)

Asymmetric/Biological Unit (2, 4)
No.NameCountTypeFull Name
1CL1Ligand/IonCHLORIDE ION
2MG3Ligand/IonMAGNESIUM ION

(-) Sites  (4, 4)

Asymmetric Unit (4, 4)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREASP A:35 , ASP A:185 , ASP A:223 , HOH A:2322 , HOH A:2379 , HOH A:2381BINDING SITE FOR RESIDUE MG A1234
2AC2SOFTWAREASP A:35 , GLY A:36 , HOH A:2063 , HOH A:2070 , HOH A:2098 , HOH A:2379BINDING SITE FOR RESIDUE MG A1235
3AC3SOFTWAREHOH A:2163 , HOH A:2164 , HOH A:2336 , HOH A:2342 , HOH A:2343 , HOH A:2357BINDING SITE FOR RESIDUE MG A1237
4AC4SOFTWAREHOH A:2380BINDING SITE FOR RESIDUE CL A1236

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2V06)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2V06)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2V06)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2V06)

(-) Exons   (0, 0)

(no "Exon" information available for 2V06)

(-) 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:234
 aligned with A0QTQ6_MYCS2 | A0QTQ6 from UniProtKB/TrEMBL  Length:233

    Alignment length:234
                             1                                                                                                                                                                                                                                        
                             |       9        19        29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229    
         A0QTQ6_MYCS2     - -MASVLSAATATDQGPVRENNQDACLADGILYAVADGFGARGHHASATALKTLSAGFAAAPDRDGLLEAVQQANLRVFELLGDEPTVSGTTLTAVAVFEPGQGGPLVVNIGDSPLYRIRDGHMEQLTDDHSVAGELVRMGEITRHEARWHPQRHLLTRALGIGPHIGPDVFGIDCGPGDRLLISSDGLFAAADEALIVDAATSPDPQVAVRRLVEVANDAGGSDNTTVVVIDLG 233
               SCOP domains d2v06a_ A: automated matches                                                                                                                                                                                                               SCOP domains
               CATH domains 2v06A00 A:0-233 Phosphatase 2c; Domain 1                                                                                                                                                                                                   CATH domains
               Pfam domains -------------PP2C_2-2v06A01 A:13-223                                                                                                                                                                                            ---------- Pfam domains
         Sec.struct. author ....eeeeeeeee.........eeeeee..eeeeeeee..hhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh......ee.eeeee..hhhhh..eeeee....eeeee..eeee.....hhhhhhhhh...hhhhhh....................eeee.......eeeee.hhhhh..hhhhhhhhhh..hhhhhhhhhhhhhhhh.....eeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2v06 A   0 GMASVLSAATATDQGPVRENNQDACLADGILYAVADGFGARGHHASATALKTLSAGFAAAPDRDGLLEAVQQANLRVFELLGDEPTVSGTTLTAVAVFEPGQGGPLVVNIGDSPLYRIRDGHMEQLTDDHSVAGELVRMGEITRHEARWHPQRHLLTRALGIGPHIGPDVFGIDCGPGDRLLISSDGLFAAADEALIVDAATSPDPQVAVRRLVEVANDAGGSDNTTVVVIDLG 233
                                     9        19        29        39        49        59        69        79        89        99       109       119       129       139       149       159       169       179       189       199       209       219       229
   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  (1, 1)

Asymmetric/Biological Unit
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (1, 1)

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

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: PP2C (22)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (A0QTQ6_MYCS2 | A0QTQ6)
molecular function
    GO:0003824    catalytic activity    Catalysis of a biochemical reaction at physiological temperatures. In biologically catalyzed reactions, the reactants are known as substrates, and the catalysts are naturally occurring macromolecular substances known as enzymes. Enzymes possess specific binding sites for substrates, and are usually composed wholly or largely of protein, but RNA that has catalytic activity (ribozyme) is often also regarded as enzymatic.
    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:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    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:0004722    protein serine/threonine phosphatase activity    Catalysis of the reaction: protein serine phosphate + H2O = protein serine + phosphate, and protein threonine phosphate + H2O = protein threonine + phosphate.
biological process
    GO:0006470    protein dephosphorylation    The process of removing one or more phosphoric residues from a protein.

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 Related Entries

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

UniProtKB/TrEMBL
        A0QTQ6_MYCS2 | A0QTQ6: 2jfr 2jfs 2jft

(-) Related Entries Specified in the PDB File

2jfr CRYSTAL STRUCTURE OF THE PPM SER-THR PHOSPHATASE MSPP FROM MYCOBACTERIUM SMEGMATIS IN COMPLEX WITH PHOSPHATE AT 0.83 A RESOLUTION
2jfs CRYSTAL STRUCTURE OF THE PPM SER-THR PHOSPHATASE MSPP FROM MYCOBACTERIUM SMEGMATIS IN COMPLEX WITH CACODYLATE
2jft CRYSTAL STRUCTURE OF THE PPM SER-THR PHOSPHATASE MSPP FROM MYCOBACTERIUM SMEGMATIS IN COMPLEX WITH SULFATE