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(-) Description

Title :  CRYSTAL STRUCTURE OF THE N-TERMINAL DOMAIN OF E.COLI HISB- APO CA MODEL.
 
Authors :  E. S Rangarajan, M. Cygler, A. Matte, Montreal-Kingston Bacterial Structural Genomics Initiative (Bsgi)
Date :  17 Jan 06  (Deposition) - 05 Sep 06  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Histidinol Phosphate Phosphatase, Hisb, Bifunctional Enzyme. , Structural Genomics, Bacterial Structure Genomics, Montreal-Kingston Bacterial Structural Genomics Initiative, Bsgi, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  E. S. Rangarajan, A. Proteau, J. Wagner, M. N. Hung, A. Matte, M. Cygler
Structural Snapshots Of Escherichia Coli Histidinol Phosphate Phosphatase Along The Reaction Pathway.
J. Biol. Chem. V. 281 37930 2006
PubMed-ID: 16966333  |  Reference-DOI: 10.1074/JBC.M604916200

(-) Compounds

Molecule 1 - HISTIDINE BIOSYNTHESIS BIFUNCTIONAL PROTEIN HISB
    ChainsA, B
    EC Number3.1.3.15
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    FragmentN-TERMINAL DOMAIN, HISTIDINOL-PHOSPHATASE
    GeneHISB
    Organism ScientificESCHERICHIA COLI
    Organism Taxid83334

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 6)

Asymmetric/Biological Unit (3, 6)
No.NameCountTypeFull Name
1CA2Ligand/IonCALCIUM ION
2CL2Ligand/IonCHLORIDE ION
3ZN2Ligand/IonZINC ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS B:94 , HIS B:96 , CYS B:102 , CYS B:104 , ARG B:105BINDING SITE FOR RESIDUE ZN B 501
2AC2SOFTWARECYS A:94 , HIS A:96 , CYS A:102 , CYS A:104 , ARG A:105BINDING SITE FOR RESIDUE ZN A 502
3AC3SOFTWAREASP A:10 , ASP A:12 , ASP A:131 , HOH A:509 , HOH A:528 , HOH A:529BINDING SITE FOR RESIDUE CA A 503
4AC4SOFTWAREASP B:10 , ASP B:12 , ASP B:131 , HOH B:515 , HOH B:527 , HOH B:539BINDING SITE FOR RESIDUE CA B 504
5AC5SOFTWAREASP A:10 , ASN A:56 , LYS A:106 , HOH A:581BINDING SITE FOR RESIDUE CL A 505
6AC6SOFTWAREASP B:10 , ASN B:56 , LYS B:106BINDING SITE FOR RESIDUE CL B 506

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Lys A:106 -Pro A:107
2Lys B:106 -Pro B:107

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 2FPS)

(-) 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 HIS7_ECO57 | Q9S5G5 from UniProtKB/Swiss-Prot  Length:355

    Alignment length:162
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161  
           HIS7_ECO57     2 SQKYLFIDRDGTLISEPPSDFQVDRFDKLAFEPGVIPQLLKLQKAGYKLVMITNQDGLGTQSFPQADFDGPHNLMMQIFTSQGVQFDEVLICPHLPADECDCRKPKVKLVERYLAEQAMDRANSYVIGDRATDIQLAENMGINGLRYDRETLNWPMIGEQLT 163
               SCOP domains d2fpsa_ A: Histidine biosynthesis bifunctional protein HisB, phosphatase domain                                                                                    SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eeeee.................hhhhh....hhhhhhhhhhhh.eeeeeeee.........hhhhhhhhhhhhhhhhhhh...eeeeeee..hhhhh.......hhhhhhhh----......eeee.hhhhhhhhhhhh.eeee......hhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2fps A   3 SQKYLFIDRDGTLISEPPSDFQVDRFDKLAFEPGVIPQLLKLQKAGYKLVMITNQDGLGTQSFPQADFDGPHNLMMQIFTSQGVQFDEVLICPHLPADECDCRKPKVKLVERYL----MDRANSYVIGDRATDIQLAENMGINGLRYDRETLNWPMIGEQLT 164
                                    12        22        32        42        52        62        72        82        92       102       112   |   122       132       142       152       162  
                                                                                                                                           116  121                                           

Chain B from PDB  Type:PROTEIN  Length:163
 aligned with HIS7_ECO57 | Q9S5G5 from UniProtKB/Swiss-Prot  Length:355

    Alignment length:163
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162   
           HIS7_ECO57     3 QKYLFIDRDGTLISEPPSDFQVDRFDKLAFEPGVIPQLLKLQKAGYKLVMITNQDGLGTQSFPQADFDGPHNLMMQIFTSQGVQFDEVLICPHLPADECDCRKPKVKLVERYLAEQAMDRANSYVIGDRATDIQLAENMGINGLRYDRETLNWPMIGEQLTRR 165
               SCOP domains d2fpsb_ B: Histidine biosynthesis bifunctional protein HisB, phosphatase domain                                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeee.................hhhhh....hhhhhhhhhhhh..eeeeeee.........hhhhhhhhhhhhhhhhhhh...eeeeeee..hhhhh.......hhhhhhhh.....hhhh.eeee.hhhhhhhhhhhh.eeee......hhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2fps B   4 QKYLFIDRDGTLISEPPSDFQVDRFDKLAFEPGVIPQLLKLQKAGYKLVMITNQDGLGTQSFPQADFDGPHNLMMQIFTSQGVQFDEVLICPHLPADECDCRKPKVKLVERYLAEQAMDRANSYVIGDRATDIQLAENMGINGLRYDRETLNWPMIGEQLTRR 166
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163   

   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, 2)

Asymmetric/Biological Unit

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

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

(-) Gene Ontology  (12, 12)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (HIS7_ECO57 | Q9S5G5)
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:0004401    histidinol-phosphatase activity    Catalysis of the reaction: L-histidinol phosphate + H(2)O = L-histidinol + 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:0004424    imidazoleglycerol-phosphate dehydratase activity    Catalysis of the reaction: D-erythro-1-(imidazol-4-yl)glycerol 3-phosphate = 3-(imidazol-4-yl)-2-oxopropyl phosphate + H(2)O.
    GO:0016829    lyase activity    Catalysis of the cleavage of C-C, C-O, C-N and other bonds by other means than by hydrolysis or oxidation, or conversely adding a group to a double bond. They differ from other enzymes in that two substrates are involved in one reaction direction, but only one in the other direction. When acting on the single substrate, a molecule is eliminated and this generates either a new double bond or a new ring.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0016791    phosphatase activity    Catalysis of the hydrolysis of phosphoric monoesters, releasing inorganic phosphate.
biological process
    GO:0008652    cellular amino acid biosynthetic process    The chemical reactions and pathways resulting in the formation of amino acids, organic acids containing one or more amino substituents.
    GO:0016311    dephosphorylation    The process of removing one or more phosphoric (ester or anhydride) residues from a molecule.
    GO:0000105    histidine biosynthetic process    The chemical reactions and pathways resulting in the formation of histidine, 2-amino-3-(1H-imidazol-4-yl)propanoic acid.
    GO:0008152    metabolic process    The chemical reactions and pathways, including anabolism and catabolism, by which living organisms transform chemical substances. Metabolic processes typically transform small molecules, but also include macromolecular processes such as DNA repair and replication, and protein synthesis and degradation.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

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        HIS7_ECO57 | Q9S5G52fpr 2fpu 2fpw 2fpx

(-) Related Entries Specified in the PDB File

2fpr 2fpu 2fpw 2fpx