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(-) Description

Title :  CRYSTAL STRUCTURE OF SAICAR SYNTHETASE FROM GEOBACILLUS KAUSTOPHILUS
 
Authors :  M. Kanagawa, S. Baba, S. Kuramitsu, S. Yokoyama, G. Kawai, G. Sampei, Ri Structural Genomics/Proteomics Initiative (Rsgi)
Date :  23 Apr 07  (Deposition) - 23 Oct 07  (Release) - 13 Jul 11  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.75
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (1x)
Biol. Unit 2:  A (1x),B (1x)
Biol. Unit 3:  A  (1x)
Biol. Unit 4:  B  (1x)
Keywords :  Adp Complex, Structural Genomics, Nppsfa, National Project On Protein Structural And Functional Analyses, Riken Structural Genomics/Proteomics Initiative, Rsgi, Ligase (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  M. Kanagawa, S. Baba, S. Kuramitsu, S. Yokoyama, G. Kawai, G. Sampei
Crystal Structure Of Saicar Synthetase From Geobacillus Kaustophilus
To Be Published
PubMed: search

(-) Compounds

Molecule 1 - PHOSPHORIBOSYLAMINOIMIDAZOLE SUCCINOCARBOXAMIDE SYNTHETASE
    ChainsA, B
    EC Number6.3.2.6
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET-HISTEV
    Expression System Taxid562
    Expression System Vector TypePLASMID
    Organism ScientificGEOBACILLUS KAUSTOPHILUS
    Organism Taxid1462

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (3, 11)

Asymmetric Unit (3, 11)
No.NameCountTypeFull Name
1ADP2Ligand/IonADENOSINE-5'-DIPHOSPHATE
2MG2Ligand/IonMAGNESIUM ION
3SO47Ligand/IonSULFATE ION
Biological Unit 1 (2, 9)
No.NameCountTypeFull Name
1ADP2Ligand/IonADENOSINE-5'-DIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
3SO47Ligand/IonSULFATE ION
Biological Unit 2 (2, 5)
No.NameCountTypeFull Name
1ADP1Ligand/IonADENOSINE-5'-DIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
3SO44Ligand/IonSULFATE ION
Biological Unit 3 (2, 4)
No.NameCountTypeFull Name
1ADP1Ligand/IonADENOSINE-5'-DIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
3SO43Ligand/IonSULFATE ION
Biological Unit 4 (2, 5)
No.NameCountTypeFull Name
1ADP1Ligand/IonADENOSINE-5'-DIPHOSPHATE
2MG-1Ligand/IonMAGNESIUM ION
3SO44Ligand/IonSULFATE ION

(-) Sites  (11, 11)

Asymmetric Unit (11, 11)
No.NameEvidenceResiduesDescription
01AC1SOFTWAREARG B:95 , GLY B:100 , SER B:101 , ARG B:201 , HOH B:823 , HOH B:901 , HOH B:914BINDING SITE FOR RESIDUE SO4 B 541
02AC2SOFTWAREALA B:35 , PHE B:36 , ASN B:37 , LYS B:213 , ARG B:217 , HOH B:881 , HOH B:912BINDING SITE FOR RESIDUE SO4 B 542
03AC3SOFTWAREARG A:95 , GLY A:100 , SER A:101 , ARG A:201 , HOH A:807 , HOH A:821 , HOH A:904BINDING SITE FOR RESIDUE SO4 A 543
04AC4SOFTWAREALA A:35 , PHE A:36 , ASN A:37 , LYS A:213 , ARG A:217 , HOH A:858BINDING SITE FOR RESIDUE SO4 A 544
05AC5SOFTWAREVAL A:97 , ARG A:164 , ARG A:173 , HOH A:793 , HOH A:826 , HOH A:957BINDING SITE FOR RESIDUE SO4 A 545
06AC6SOFTWAREVAL B:97 , ARG B:173 , HOH B:779 , HOH B:799 , HOH B:820BINDING SITE FOR RESIDUE SO4 B 546
07AC7SOFTWAREARG A:105 , PRO A:131 , LEU A:132 , ARG B:105 , HOH B:782 , HOH B:933BINDING SITE FOR RESIDUE SO4 B 548
08AC8SOFTWAREASP A:193 , ADP A:600 , HOH A:706 , HOH A:709 , HOH A:787 , HOH A:798BINDING SITE FOR RESIDUE MG A 701
09AC9SOFTWAREADP B:601 , HOH B:708 , HOH B:709 , HOH B:713 , HOH B:812BINDING SITE FOR RESIDUE MG B 702
10BC1SOFTWARETYR A:9 , GLY A:11 , LYS A:12 , ALA A:13 , LYS A:14 , ILE A:16 , LEU A:25 , HIS A:70 , ARG A:83 , VAL A:85 , ILE A:87 , LYS A:124 , GLU A:180 , ASP A:193 , MG A:701 , HOH A:706 , HOH A:833 , HOH A:862BINDING SITE FOR RESIDUE ADP A 600
11BC2SOFTWARETYR B:9 , GLY B:11 , LYS B:12 , ALA B:13 , LYS B:14 , ILE B:16 , LEU B:25 , HIS B:70 , ARG B:83 , VAL B:85 , ILE B:87 , LYS B:124 , GLU B:180 , ASP B:193 , MG B:702 , HOH B:708 , HOH B:735 , HOH B:877BINDING SITE FOR RESIDUE ADP B 601

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (0, 0)

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

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

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

(-) Exons   (0, 0)

(no "Exon" information available for 2YWV)

(-) 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:237
 aligned with Q5L3D5_GEOKA | Q5L3D5 from UniProtKB/TrEMBL  Length:242

    Alignment length:237
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       
         Q5L3D5_GEOKA     1 MPTKQQLLYEGKAKKIYATDEPDVLWVEYKDSATAFNGEKKATIAGKGRLNNEISSLLFLKLREAGIANHFIEKLSPTEQLVRRVTIIPLEVVVRNVVAGSLAKRIGLEEGTPLEAPLVEFYYKNDDLGDPLLLEDHIFILKLASREEVAALKQAALAVNDVLRLHFAERNVRLIDFKLEFGRTADGAILLADEISPDTCRLWDAKTNEKLDKDVFRRDLGSLTDAYEVILQRLGGE 237
               SCOP domains d2ywva_ A: automated matches                                                                                                                                                                                                                  SCOP domains
               CATH domains -------------------------------------------------------------------------------------2ywvA02 A:86-222 ATP-grasp fold, B domain                                                                                                --------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeee...eeeeee....eeeeee..eeee....eeee..hhhhhhhhhhhhhhhhhhhh.....eeee....eeeee..ee..eeeeeeeeehhhhhhhhh....eeeeeeeeeeee.hhhhh..eehhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhhh.eeeeeeee.eee.....eee........eeeee........hhhhhh...hhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ywv A   1 MPTKQQLLYEGKAKKIYATDEPDVLWVEYKDSATAFNGEKKATIAGKGRLNNEISSLLFLKLREAGIANHFIEKLSPTEQLVRRVTIIPLEVVVRNVVAGSLAKRIGLEEGTPLEAPLVEFYYKNDDLGDPLLLEDHIFILKLASREEVAALKQAALAVNDVLRLHFAERNVRLIDFKLEFGRTADGAILLADEISPDTCRLWDAKTNEKLDKDVFRRDLGSLTDAYEVILQRLGGE 237
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       

Chain B from PDB  Type:PROTEIN  Length:237
 aligned with Q5L3D5_GEOKA | Q5L3D5 from UniProtKB/TrEMBL  Length:242

    Alignment length:237
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       
         Q5L3D5_GEOKA     1 MPTKQQLLYEGKAKKIYATDEPDVLWVEYKDSATAFNGEKKATIAGKGRLNNEISSLLFLKLREAGIANHFIEKLSPTEQLVRRVTIIPLEVVVRNVVAGSLAKRIGLEEGTPLEAPLVEFYYKNDDLGDPLLLEDHIFILKLASREEVAALKQAALAVNDVLRLHFAERNVRLIDFKLEFGRTADGAILLADEISPDTCRLWDAKTNEKLDKDVFRRDLGSLTDAYEVILQRLGGE 237
               SCOP domains d2ywvb_ B: automated matches                                                                                                                                                                                                                  SCOP domains
               CATH domains -------------------------------------------------------------------------------------2ywvB02 B:86-222 ATP-grasp fold, B domain                                                                                                --------------- CATH domains
           Pfam domains (1) ---SAICAR_synt-2ywvB01 B:4-237                                                                                                                                                                                                                Pfam domains (1)
           Pfam domains (2) ---SAICAR_synt-2ywvB02 B:4-237                                                                                                                                                                                                                Pfam domains (2)
         Sec.struct. author ...eeeeeee...eeeeee....eeeeee..eeee....eeee..hhhhhhhhhhhhhhhhhhhh.....eeee....eeeee..ee..eeeeeeee.hhhhhhhhh.....eeeeeeeeeee.hhhhh..eehhhhhhhhh..hhhhhhhhhhhhhhhhhhhhhhhhh..eeeeeeeeeeee.....eeee.......eeeee........hhhhhh...hhhhhhhhhhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 2ywv B   1 MPTKQQLLYEGKAKKIYATDEPDVLWVEYKDSATAFNGEKKATIAGKGRLNNEISSLLFLKLREAGIANHFIEKLSPTEQLVRRVTIIPLEVVVRNVVAGSLAKRIGLEEGTPLEAPLVEFYYKNDDLGDPLLLEDHIFILKLASREEVAALKQAALAVNDVLRLHFAERNVRLIDFKLEFGRTADGAILLADEISPDTCRLWDAKTNEKLDKDVFRRDLGSLTDAYEVILQRLGGE 237
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       

   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 Unit

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit

(-) Gene Ontology  (6, 6)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (Q5L3D5_GEOKA | Q5L3D5)
molecular function
    GO:0005524    ATP binding    Interacting selectively and non-covalently with ATP, adenosine 5'-triphosphate, a universally important coenzyme and enzyme regulator.
    GO:0016874    ligase activity    Catalysis of the joining of two substances, or two groups within a single molecule, with the concomitant hydrolysis of the diphosphate bond in ATP or a similar triphosphate.
    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:0004639    phosphoribosylaminoimidazolesuccinocarboxamide synthase activity    Catalysis of the reaction: 5-amino-1-(5-phospho-D-ribosyl)imidazole-4-carboxylate + L-aspartate + ATP = (2S)-2-[5-amino-1-(5-phospho-beta-D-ribosyl)imidazole-4-carboxamido]succinate + ADP + 2 H(+) + phosphate.
biological process
    GO:0006189    'de novo' IMP biosynthetic process    The chemical reactions and pathways resulting in the formation of IMP, inosine monophosphate, by the stepwise assembly of a purine ring on ribose 5-phosphate.
    GO:0006164    purine nucleotide biosynthetic process    The chemical reactions and pathways resulting in the formation of 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.

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