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(-) Description

Title :  CRYSTAL STRUCTURE OF GLUCONATE KINASE
 
Authors :  L. Kraft, G. A. Sprenger, Y. Lindqvist
Date :  20 Dec 01  (Deposition) - 29 May 02  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.40
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Alfa/Beta, Transferase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  L. Kraft, G. A. Sprenger, Y. Lindqvist
Conformational Changes During The Catalytic Cycle Of Gluconate Kinase As Revealed By X-Ray Crystallography.
J. Mol. Biol. V. 318 1057 2002
PubMed-ID: 12054802  |  Reference-DOI: 10.1016/S0022-2836(02)00215-2
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GLUCONATE KINASE
    ChainsA, B
    EC Number2.7.1.12
    EngineeredYES
    Expression SystemESCHERICHIA COLI BL21(DE3)
    Expression System PlasmidPJF119EH
    Expression System StrainBL21(DE3)
    Expression System Taxid469008
    Expression System Vector TypePLASMID
    GeneGNTK
    Organism ScientificESCHERICHIA COLI
    Organism Taxid562
    SynonymTHERMORESISTANT GLUCONOKINASE

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 3)

Asymmetric/Biological Unit (2, 3)
No.NameCountTypeFull Name
16PG2Ligand/Ion6-PHOSPHOGLUCONIC ACID
2MG1Ligand/IonMAGNESIUM ION

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:17 , GLY A:18 , ASP A:40 , LEU A:121 , HIS A:127 , MG A:201 , HOH A:513 , HOH A:514 , HOH A:515 , HOH A:516 , HOH A:517BINDING SITE FOR RESIDUE 6PG A 502
2AC2SOFTWARESER B:17 , GLY B:18 , LYS B:21 , HOH B:510 , HOH B:511 , HOH B:512 , HOH B:513BINDING SITE FOR RESIDUE 6PG B 503
3AC3SOFTWARESER A:22 , 6PG A:502 , HOH A:512 , HOH A:513 , HOH A:515 , HOH A:516BINDING SITE FOR RESIDUE MG A 201

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1KO8)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1KO8)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1KO8)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1KO8)

(-) Exons   (0, 0)

(no "Exon" information available for 1KO8)

(-) 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:172
 aligned with GNTK_ECOLI | P46859 from UniProtKB/Swiss-Prot  Length:175

    Alignment length:172
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172  
           GNTK_ECOLI     3 TTNHDHHIYVLMGVSGSGKSAVASEVAHQLHAAFLDGDFLHPRRNIEKMASGEPLNDDDRKPWLQALNDAAFAMQRTNKVSLIVCSALKKHYRDLLREGNPNLSFIYLKGDFDVIESRLKARKGHFFKTQMLVTQFETLQEPGADETDVLVVDIDQPLEGVVASTIEVIKKG 174
               SCOP domains d1ko8a_ A: Gluconate kinase                                                                                                                                                  SCOP domains
               CATH domains 1ko8A00 A:3-174 P-loop containing nucleotide triphosphate hydrolases                                                                                                         CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeeee.....hhhhhhhhhhhh...eeee.hhhhhhhhhhhhh.....hhhhhhhhhhhhhhhhhhhhhhh.eeeee....hhhhhhhhhh....eeeeeee.hhhhhhhhhh.......hhhhhhhhhhhh.........eeeee...hhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ko8 A   3 TTNHDHHIYVLMGVSGSGKSAVASEVAHQLHAAFLDGDFLHPRRNIEKMASGEPLNDDDRKPWLQALNDAAFAMQRTNKVSLIVCSALKKHYRDLLREGNPNLSFIYLKGDFDVIESRLKARKGHFFKTQMLVTQFETLQEPGADETDVLVVDIDQPLEGVVASTIEVIKKG 174
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172  

Chain B from PDB  Type:PROTEIN  Length:168
 aligned with GNTK_ECOLI | P46859 from UniProtKB/Swiss-Prot  Length:175

    Alignment length:172
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172  
           GNTK_ECOLI     3 TTNHDHHIYVLMGVSGSGKSAVASEVAHQLHAAFLDGDFLHPRRNIEKMASGEPLNDDDRKPWLQALNDAAFAMQRTNKVSLIVCSALKKHYRDLLREGNPNLSFIYLKGDFDVIESRLKARKGHFFKTQMLVTQFETLQEPGADETDVLVVDIDQPLEGVVASTIEVIKKG 174
               SCOP domains d1ko8b_ B: Gluconate kinase                                                                                                                                                  SCOP domains
               CATH domains 1ko8B00 B:3-174 P-loop containing nucleotide triphosphate hydrolases                                                                                                         CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeeee.....hhhhhhhhhhhh...eeee.hhhhhhhhhhhhhh....hhhhhhhhhhhhhhhhhhhhhhh.eeeee....hhhhhhhhhh....eeeeeee.hhhhhhhhhh----...hhhhhhhhhhhh.........eeeee...hhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ko8 B   3 TTNHDHHIYVLMGVSGSGKSAVASEVAHQLHAAFLDGDFLHPRRNIEKMASGEPLNDDDRKPWLQALNDAAFAMQRTNKVSLIVCSALKKHYRDLLREGNPNLSFIYLKGDFDVIESRLK----HFFKTQMLVTQFETLQEPGADETDVLVVDIDQPLEGVVASTIEVIKKG 174
                                    12        22        32        42        52        62        72        82        92       102       112       122    |  132       142       152       162       172  
                                                                                                                                                 122  127                                               

   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  (1, 2)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1KO8)

(-) Gene Ontology  (8, 8)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (GNTK_ECOLI | P46859)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0046316    gluconokinase activity    Catalysis of the reaction: D-gluconate + ATP = 6-phospho-D-gluconate + ADP + 2 H(+).
    GO:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    GO:0000166    nucleotide binding    Interacting selectively and non-covalently with a nucleotide, any compound consisting of a nucleoside that is esterified with (ortho)phosphate or an oligophosphate at any hydroxyl group on the ribose or deoxyribose.
    GO:0016740    transferase activity    Catalysis of the transfer of a group, e.g. a methyl group, glycosyl group, acyl group, phosphorus-containing, or other groups, from one compound (generally regarded as the donor) to another compound (generally regarded as the acceptor). Transferase is the systematic name for any enzyme of EC class 2.
biological process
    GO:0046177    D-gluconate catabolic process    The chemical reactions and pathways resulting in the breakdown of D-gluconate, the anion of D-gluconic acid, the aldonic acid derived from glucose.
    GO:0005975    carbohydrate metabolic process    The chemical reactions and pathways involving carbohydrates, any of a group of organic compounds based of the general formula Cx(H2O)y. Includes the formation of carbohydrate derivatives by the addition of a carbohydrate residue to another molecule.
    GO:0016310    phosphorylation    The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.

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 Related Entries

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

UniProtKB/Swiss-Prot
        GNTK_ECOLI | P468591knq 1ko1 1ko4 1ko5 1kof

(-) Related Entries Specified in the PDB File

1knq 1KNQ CONTAINS THE SAME PROTEIN, SPACE GROUP P212121.
1ko1 1KO1 CONTAINS THE SAME PROTEIN, SPACE GROUP C2.
1ko4 1KO4 CONTAINS THE SAME PROTEIN, SPACE GROUP P21212.
1ko5 1KO5 CONTAINS THE SAME PROTEIN COMPLEXED WITH ATP.
1kof 1KOF CONTAINS THE SAME PROTEIN COMPLEXED WITH AMPPCP.