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(-) Description

Title :  STRUCTURE OF A PHOSPHORIBOSYLAMINOIMIDAZOLE-SUCCINOCARBOXAMIDE SYNTHASE FROM MYCOBACTERIUM ABSCESSUS ATCC 19977 / DSM 44196
 
Authors :  Seattle Structural Genomics Center For Infectious Disease (S
Date :  25 Mar 11  (Deposition) - 20 Apr 11  (Release) - 22 Apr 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.85
Chains :  Asym./Biol. Unit :  A
Keywords :  Ssgcid, Seattle Structural Genomics Center For Infectious Disease, Phosphoribosylaminoimidazole-Succinocarboxamide Synthase, Ligase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  L. Baugh, I. Phan, D. W. Begley, M. C. Clifton, B. Armour, D. M. Dranow, B. M. Taylor, M. M. Muruthi, J. Abendroth, J. W. Fairman, D. Fox, S. H. Dieterich, B. L. Staker, A. S. Gardberg, R. Choi, S. N. Hewitt, A. J. Napuli, J. Myers, L. K. Barrett, Y. Zhang, M. Ferrell, E. Mundt, K. Thompkins, N. Tran, S. Lyons-Abbott, A. Abramov, A. Sekar, D. Serbzhinskiy, D. Lorimer, G. W. Buchko, R. Stacy, L. J. Stewart, T. E. Edwards, W. C. Van Voorhis, P. J. Myler
Increasing The Structural Coverage Of Tuberculosis Drug Targets.
Tuberculosis (Edinb) V. 95 142 2015
PubMed-ID: 25613812  |  Reference-DOI: 10.1016/J.TUBE.2014.12.003

(-) Compounds

Molecule 1 - PHOSPHORIBOSYLAMINOIMIDAZOLE-SUCCINOCARBOXAMIDE SYNTHASE
    Chains: A
    EC Number: 6.3.2.6
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: PURC, MAB_0689
    Organism Scientific: MYCOBACTERIUM ABSCESSUS
    Organism Taxid: 561007
    Strain: ATCC 19977 / DSM 44196
    Synonym: SAICAR SYNTHETASE

 Structural Features

(-) Chains, Units

  1
Asymmetric/Biological Unit : A

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (3, 3)
No.NameCountTypeFull Name
1CL1Ligand/IonCHLORIDE ION
2MG1Ligand/IonMAGNESIUM ION
3MRD1Ligand/Ion(4R)-2-METHYLPENTANE-2,4-DIOL

(-) Sites  (3, 3)

Asymmetric Unit (3, 3)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:103 , SER A:109 , ARG A:222BINDING SITE FOR RESIDUE CL A 298
2AC2SOFTWAREASP A:196 , THR A:197 , ASP A:219 , SER A:220 , ARG A:222 , HOH A:344BINDING SITE FOR RESIDUE MRD A 299
3AC3SOFTWAREALA A:31 , GLU A:214 , HOH A:374BINDING SITE FOR RESIDUE MG A 300

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 3R9R)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Asp A:136 -Pro A:137
2Ile A:148 -Gly A:149

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3R9R)

(-) PROSITE Motifs  (2, 2)

Asymmetric/Biological Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1SAICAR_SYNTHETASE_1PS01057 SAICAR synthetase signature 1.PUR7_MYCA995-109  1A:95-109
2SAICAR_SYNTHETASE_2PS01058 SAICAR synthetase signature 2.PUR7_MYCA9194-202  1A:194-202

(-) Exons   (0, 0)

(no "Exon" information available for 3R9R)

(-) 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:295
 aligned with PUR7_MYCA9 | B1MHW4 from UniProtKB/Swiss-Prot  Length:297

    Alignment length:297
                              1                                                                                                                                                                                                                                                                                                      
                              |      8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258       268       278       288       
           PUR7_MYCA9     - --MRPSLSDYQHVASGKVRELYRVDDEHLLFVATDRISAFDFVLDTPIPDKGRILTAMSVFFFGLLTVPNHLAGPPDDPRIPEEVLGRALLVRRLDMLPVECVARGYLTGSGLLDYQRTGAVCGHVLPQGLGEASRLDPPLFTPATKADIGEHDMNVDFAAVVGLVGAVRANQLRDETIKIYTRAAAHALHKGIILADTKFEFGVDIEGNLVLADEVFTPDSSRYWDAAHYQPGVVQDSFDKQFVRNWLTGPESGWDRASDTPPPPLPDEVAVATRERYIEAYERISGLSFSDWIGP 295
               SCOP domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------SAICAR_synt-3r9rA01 A:7-263                                                                                                                                                                                                                                      -------------------------------- Pfam domains
         Sec.struct. author .....hhhhheeeee...eeeee....eeeeee....ee..ee......hhhhhhhhhhhhhhhhh...............hhhhh..eeeee..ee....eeeeeeehhhhhhhhhhhhee..ee........eeeeeeee..ee........ee.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.eeeeeeee.eee.....eee.........eeeee.hhh..........hhhhhhhhh..........--.....hhhhhhhhhhhhhhhhhhhhh.hhhhh... Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------SAICAR_SYNTHETA------------------------------------------------------------------------------------SAICAR_SY--------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3r9r A  -1 GSMRPSLSDYQHVASGKVRELYRVDDEHLLFVATDRISAFDFVLDTPIPDKGRILTAMSVFFFGLLTVPNHLAGPPDDPRIPEEVLGRALLVRRLDMLPVECVARGYLTGSGLLDYQRTGAVCGHVLPQGLGEASRLDPPLFTPATKADIGEHDMNVDFAAVVGLVGAVRANQLRDETIKIYTRAAAHALHKGIILADTKFEFGVDIEGNLVLADEVFTPDSSRYWDAAHYQPGVVQDSFDKQFVRNWLTGPESGWDRAS--PPPPLPDEVAVATRERYIEAYERISGLSFSDWIGP 295
                                     8        18        28        38        48        58        68        78        88        98       108       118       128       138       148       158       168       178       188       198       208       218       228       238       248       258  |    268       278       288       
                                                                                                                                                                                                                                                                                             258  |                                  
                                                                                                                                                                                                                                                                                                261
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  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 3R9R)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 3R9R)

(-) Pfam Domains  (1, 1)

Asymmetric/Biological Unit
(-)
Clan: no clan defined [family: SAICAR_synt] (7)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A   (PUR7_MYCA9 | B1MHW4)
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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