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(-) Description

Title :  CRYSTAL STRUCTURE OF GUAC (BA5705) FROM BACILLUS ANTHRACIS AT 1.8 A RESOLUTION
 
Authors :  R. Grenha, V. M. Levdikov, E. V. Blagova, M. J. Fogg, J. A. Brannigan, A. J. Wilkinson, K. S. Wilson, Structural Proteomics In Europe (S
Date :  31 Jan 05  (Deposition) - 14 Feb 06  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A  (4x)
Biol. Unit 2:  B  (1x)
Biol. Unit 3:  B  (4x)
Keywords :  Guac, Purines, Pyrimidines, Nucleosides, Nucleotides, Nucleotide And Nucleoside Interconversions, Spine, Structural Genomics, Structural Proteomics In Europe, Oxidoreductase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  R. Grenha, V. M. Levdikov, E. V. Blagova, M. J. Fogg, J. A. Brannigan, A. J. Wilkinson, K. S. Wilson
Crystal Structure Of Guac (Ba5705) From Bacillus Anthracis At 1. 8 A Resolution
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - GMP REDUCTASE
    ChainsA, B
    EC Number1.7.1.7
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET-YSBLIC
    Expression System StrainB834
    Expression System Taxid562
    Expression System Vector TypePLASMID
    GeneGUAC
    Organism ScientificBACILLUS ANTHRACIS
    Organism Taxid1392
    SynonymGUANOSINE MONOPHOSPHATE REDUCTASE, GUANOSINE 5'- MONOPHOSPHATE OXIDOREDUCTASE

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (4x)A 
Biological Unit 2 (1x) B
Biological Unit 3 (4x) B

Summary Information (see also Sequences/Alignments below)

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

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

(-) Sites  (0, 0)

(no "Site" information available for 1YPF)

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (2, 2)

Asymmetric Unit
No.Residues
1Gly A:146 -Asn A:147
2Gly B:146 -Asn B:147

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (1, 2)

Asymmetric Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IMP_DH_GMP_REDPS00487 IMP dehydrogenase / GMP reductase signature.GUAC_BACAN165-177
 
  2A:165-177
B:165-177
Biological Unit 1 (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IMP_DH_GMP_REDPS00487 IMP dehydrogenase / GMP reductase signature.GUAC_BACAN165-177
 
  4A:165-177
-
Biological Unit 2 (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IMP_DH_GMP_REDPS00487 IMP dehydrogenase / GMP reductase signature.GUAC_BACAN165-177
 
  1-
B:165-177
Biological Unit 3 (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1IMP_DH_GMP_REDPS00487 IMP dehydrogenase / GMP reductase signature.GUAC_BACAN165-177
 
  4-
B:165-177

(-) Exons   (0, 0)

(no "Exon" information available for 1YPF)

(-) Sequences/Alignments

Asymmetric 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:295
 aligned with GUAC_BACAN | Q81JJ9 from UniProtKB/Swiss-Prot  Length:327

    Alignment length:318
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242       252       262       272       282       292       302       312        
           GUAC_BACAN     3 NVFDYEDIQLIPAKCIVNSRSECDTTVTLGKHKFKLPVVPANMQTIIDERIATYLAENNYFYIMHRFQPEKRISFIRDMQSRGLIASISVGVKEDEYEFVQQLAAEHLTPEYITIDIAHGHSNAVINMIQHIKKHLPESFVIAGNVGTPEAVRELENAGADATKVGIGPGKVCITKIKTGFGTGGWQLAALRWCAKAASKPIIADGGIRTNGDVAKSIRFGATMVMIGSLFAGHEESPGETIEKDGKLYKEYFGSASEFQKGEKKNVEGKKMFVEHKGSLEDTLIEMEQDLQSSISYAGGTKLDSIRTVDYVVVKNSI 320
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains 1ypfA00 A:3-320 Aldolase class I                                                                                                                                                                                                                                                                                               CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...hhh.eee........hhhhh...eee..eee...eee.......hhhhhhhhhhh.........hhhhhhhhhhhhhhh....eeee..hhhhhhhhhhhhhh.....eeeee.....hhhhhhhhhhhhhhh...eeeeeee.hhhhhhhhhhhh..eeee.......hhhhhhhh.....hhhhhhhhhhhh....eeee.....hhhhhhhhhh...eeeehhhhh..........-----------------------.............hhhhhhhhhhhhhhhhhhhh...hhhhhhhh.eee..... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------------IMP_DH_GMP_RE----------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1ypf A   3 NVFDYEDIQLIPAKCIVNSRSECDTTVTLGKHKFKLPVVPANMQTIIDERIATYLAENNYFYIMHRFQPEKRISFIRDMQSRGLIASISVGVKEDEYEFVQQLAAEHLTPEYITIDIAHGHSNAVINMIQHIKKHLPESFVIAGNVGTPEAVRELENAGADATKVGIGPGKVCITKIKTGFGTGGWQLAALRWCAKAASKPIIADGGIRTNGDVAKSIRFGATMVMIGSLFAGHEESPGETI-----------------------NVEGKKMFVEHKGSLEDTLIEMEQDLQSSISYAGGTKLDSIRTVDYVVVKNSI 320
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222       232       242 |       -         -     | 272       282       292       302       312        
                                                                                                                                                                                                                                                                           244                     268                                                    

Chain B from PDB  Type:PROTEIN  Length:295
 aligned with GUAC_BACAN | Q81JJ9 from UniProtKB/Swiss-Prot  Length:327

    Alignment length:318
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241       251       261       271       281       291       301       311        
           GUAC_BACAN     2 GNVFDYEDIQLIPAKCIVNSRSECDTTVTLGKHKFKLPVVPANMQTIIDERIATYLAENNYFYIMHRFQPEKRISFIRDMQSRGLIASISVGVKEDEYEFVQQLAAEHLTPEYITIDIAHGHSNAVINMIQHIKKHLPESFVIAGNVGTPEAVRELENAGADATKVGIGPGKVCITKIKTGFGTGGWQLAALRWCAKAASKPIIADGGIRTNGDVAKSIRFGATMVMIGSLFAGHEESPGETIEKDGKLYKEYFGSASEFQKGEKKNVEGKKMFVEHKGSLEDTLIEMEQDLQSSISYAGGTKLDSIRTVDYVVVKNS 319
               SCOP domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SCOP domains
               CATH domains 1ypfB00 B:2-319 Aldolase class I                                                                                                                                                                                                                                                                                               CATH domains
           Pfam domains (1) -IMPDH-1ypfB01 B:3-319                                                                                                                                                                                                                                                                                                         Pfam domains (1)
           Pfam domains (2) -IMPDH-1ypfB02 B:3-319                                                                                                                                                                                                                                                                                                         Pfam domains (2)
         Sec.struct. author ....hhh.eee........hhhhh...eee..eee...eee.......hhhhhhhhhhh.........hhhhhhhhhhhhhhh....eeee..hhhhhhhhhhhhhhh....eeeee.....hhhhhhhhhhhhhhh...eeeeeee.hhhhhhhhhhhh..eeee.......hhhhhhhh.....hhhhhhhhhhh.....eeee.....hhhhhhhhhh...eeeehhhhh............-----------------------...........hhhhhhhhhhhhhhhhhhhhh..hhhhhhhh.eee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------IMP_DH_GMP_RE---------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 1ypf B   2 GNVFDYEDIQLIPAKCIVNSRSECDTTVTLGKHKFKLPVVPANMQTIIDERIATYLAENNYFYIMHRFQPEKRISFIRDMQSRGLIASISVGVKEDEYEFVQQLAAEHLTPEYITIDIAHGHSNAVINMIQHIKKHLPESFVIAGNVGTPEAVRELENAGADATKVGIGPGKVCITKIKTGFGTGGWQLAALRWCAKAASKPIIADGGIRTNGDVAKSIRFGATMVMIGSLFAGHEESPGETIEK-----------------------EGKKMFVEHKGSLEDTLIEMEQDLQSSISYAGGTKLDSIRTVDYVVVKNS 319
                                    11        21        31        41        51        61        71        81        91       101       111       121       131       141       151       161       171       181       191       201       211       221       231       241    |    -         -       271       281       291       301       311        
                                                                                                                                                                                                                                                                              246                     270                                                 

   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 1YPF)

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit

(-) Gene Ontology  (8, 8)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (GUAC_BACAN | Q81JJ9)
molecular function
    GO:0003920    GMP reductase activity    Catalysis of the reaction: IMP + NADP(+) + NH(4)(+) = GMP + 2 H(+) + NADPH.
    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:0004152    dihydroorotate dehydrogenase activity    Catalysis of the reaction: (S)-dihydroorotate + A = AH(2) + orotate.
    GO:0016491    oxidoreductase activity    Catalysis of an oxidation-reduction (redox) reaction, a reversible chemical reaction in which the oxidation state of an atom or atoms within a molecule is altered. One substrate acts as a hydrogen or electron donor and becomes oxidized, while the other acts as hydrogen or electron acceptor and becomes reduced.
biological process
    GO:0006207    'de novo' pyrimidine nucleobase biosynthetic process    The chemical reactions and pathways resulting in the formation of pyrimidine nucleobases, 1,3-diazine, organic nitrogenous bases, beginning with the synthesis of a pyrimidine ring from simpler precursors.
    GO:0055114    oxidation-reduction process    A metabolic process that results in the removal or addition of one or more electrons to or from a substance, with or without the concomitant removal or addition of a proton or protons.
    GO:0006163    purine nucleotide metabolic process    The chemical reactions and pathways involving a purine nucleotide, a compound consisting of nucleoside (a purine base linked to a deoxyribose or ribose sugar) esterified with a phosphate group at either the 3' or 5'-hydroxyl group of the sugar.
cellular component
    GO:1902560    GMP reductase complex    An oxidoreductase complex which is capable of GMP reductase activity. It catalyses the irreversible reaction: GMP + 2 H(+) + NADPH => IMP + NADP(+) + NH(4)(+).

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