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(-) Description

Title :  SOLUTION NMR STRUCTURE OF THE ACT DOMAIN FROM GTP PYROPHOSPHOKINASE OF CHLOROBIUM TEPIDUM. NORTHEAST STRUCTURAL GENOMICS CONSORTIUM TARGET CTR148A
 
Authors :  A. Eletsky, E. Garcia, H. Wang, C. Ciccosanti, M. Jiang, R. Nair, B. Rost, T. B. Acton, R. Xiao, J. K. Everett, H. Lee, J. H. Prestegard, G. T. Montelione, T. Szyperski, Northeast Structural Genomics Consortium (Nesg)
Date :  08 Sep 09  (Deposition) - 29 Sep 09  (Release) - 29 Sep 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (20x)
Keywords :  Homodimer, Alpha+Beta, Kinase, Transferase, Structural Genomics, Psi-2, Protein Structure Initiative, Northeast Structural Genomics Consortium, Nesg (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  A. Eletsky, E. Garcia, H. Wang, C. Ciccosanti, M. Jiang, R. Nair, B. Rost, T. B. Acton, R. Xiao, J. K. Everett, H. Lee, J. Prestegard, G. T. Montelione, T. Szyperski
Solution Nmr Structure Of The Act Domain From Gtp Pyrophosphokinase Of Chlorobium Tepidum
To Be Published
PubMed: search
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - GTP PYROPHOSPHOKINASE
    Chains: A, B
    EC Number: 2.7.6.5
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21(DE3)+ MAGIC
    Expression System Taxid: 469008
    Expression System Vector: PET 21-23C
    Gene: CT1545, RELA
    Mutation: YES
    Organism Scientific: CHLOROBACULUM TEPIDUM
    Organism Taxid: 1097
    Strain: TLS
    Synonym: CTR148A

 Structural Features

(-) Chains, Units

  
NMR Structure (20x): 

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 2KO1)

(-) Sites  (0, 0)

(no "Site" information available for 2KO1)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 2KO1)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 2KO1)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 2KO1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 2KO1)

(-) Exons   (0, 0)

(no "Exon" information available for 2KO1)

(-) Sequences/Alignments

NMR Structure
   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:88
 aligned with Q8KC80_CHLTE | Q8KC80 from UniProtKB/TrEMBL  Length:731

    Alignment length:88
                                                                                                         731        
                                   661       671       681       691       701       711       721       731        
         Q8KC80_CHLTE   652 DTDFLAGIRIVGEDKIGMTNQITGVISKFDTNIRTIVLNAKDGIFTCNLMIFVKNTDKLTTLMDKLRKVQGVFTVERLSN--------   -
               SCOP domains ---------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeeeee...hhhhhhhhhhh.....eeeeeeee...eeeeeeeeee.hhhhhhhhhhhhh....eeeeeee.......... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------- Transcript
                 2ko1 A   1 MTDFLAGIRIVGEDKNGMTNQITGVISKFDTNIRTIVLNAKDGIFTCNLMIFVKNTDKLTTLMDKLRKVQGVFTVERLSNLEHHHHHH  88
                                    10        20        30        40        50        60        70        80        


Chain B from PDB  Type:PROTEIN  Length:88
 aligned with Q8KC80_CHLTE | Q8KC80 from UniProtKB/TrEMBL  Length:731

    Alignment length:88
                                                                                                         731        
                                   661       671       681       691       701       711       721       731        
         Q8KC80_CHLTE   652 DTDFLAGIRIVGEDKIGMTNQITGVISKFDTNIRTIVLNAKDGIFTCNLMIFVKNTDKLTTLMDKLRKVQGVFTVERLSN--------   -
               SCOP domains ---------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -ACT_4-2ko1B01 B:2-77                                                        ----------- Pfam domains (1)
           Pfam domains (2) -ACT_4-2ko1B02 B:2-77                                                        ----------- Pfam domains (2)
         Sec.struct. author ...eeeeeeeeee...hhhhhhhhhhhh....eeeeeeeee..eeeeeeeeee.hhhhhhhhhhhhh....eeeeeee.......... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------- Transcript
                 2ko1 B   1 MTDFLAGIRIVGEDKNGMTNQITGVISKFDTNIRTIVLNAKDGIFTCNLMIFVKNTDKLTTLMDKLRKVQGVFTVERLSNLEHHHHHH  88
                                    10        20        30        40        50        60        70        80
   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  (0, 0)

(no "SCOP Domain" information available for 2KO1)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 2KO1)

(-) Pfam Domains  (1, 2)

NMR Structure
(-)
Clan: ACT (34)

(-) Gene Ontology  (7, 7)

NMR Structure(hide GO term definitions)
Chain A,B   (Q8KC80_CHLTE | Q8KC80)
molecular function
    GO:0008728    GTP diphosphokinase activity    Catalysis of the reaction: ATP + GTP = AMP + guanosine 3'-diphosphate 5'-triphosphate.
    GO:0016597    amino acid binding    Interacting selectively and non-covalently with an amino acid, organic acids containing one or more amino substituents.
    GO:0016301    kinase activity    Catalysis of the transfer of a phosphate group, usually from ATP, to a substrate molecule.
    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:0015969    guanosine tetraphosphate metabolic process    The chemical reactions and pathways involving guanine tetraphosphate (5'-ppGpp-3'), a derivative of guanine riboside with four phosphates.
    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.
    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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3ibw X-RAY STRUCTURE