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(-) Description

Title :  CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS PURH WITH A NOVEL BOUND NUCLEOTIDE CFAIR, AT 2.2 A RESOLUTION.
 
Authors :  J. Le Nours, E. M. M. Bulloch, Z. Zhang, D. R. Greenwood, M. J. Middledit J. M. J. Dickson, E. N. Baker
Date :  02 Sep 11  (Deposition) - 28 Sep 11  (Release) - 27 Nov 13  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.20
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Transferase, Hydrolase, Purine Biosynthesis, Tuberculosis (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  J. Le Nours, E. M. M. Bulloch, Z. Zhang, D. R. Greenwood, M. J. Middleditch, J. M. J. Dickson, E. N. Baker
Structural Analyses Of A Purine Biosynthetic Enzyme From Mycobacterium Tuberculosis Reveal A Novel Bound Nucleotide.
J. Biol. Chem. V. 286 40706 2011
PubMed-ID: 21956117  |  Reference-DOI: 10.1074/JBC.M111.291138

(-) Compounds

Molecule 1 - BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH
    Atcc: 25618
    Chains: A, B
    EC Number: 2.1.2.3, 3.5.4.10
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector: PDEST17
    Expression System Vector Type: PLASMID
    Organism Scientific: MYCOBACTERIUM TUBERCULOSIS
    Organism Taxid: 83332
    Strain: H37RV
    Synonym: PHOSPHORIBOSYLAMINOIMIDAZOLECARBOXAMIDE FORMYLTRANSFERASE, AICAR TRANSFORMYLASE, IMP CYCLOHYDROLASE, ATIC, IMP SYNTHASE, INOSINICASE

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (4, 5)

Asymmetric/Biological Unit (4, 5)
No.NameCountTypeFull Name
1GOL1Ligand/IonGLYCEROL
2JLN1Ligand/Ion5-(FORMYLAMINO)-1-(5-O-PHOSPHONO-BETA-D-RIBOFURANOSYL)-1H-IMIDAZOLE-4-CARBOXYLICACID
3K2Ligand/IonPOTASSIUM ION
4PO41Ligand/IonPHOSPHATE ION

(-) Sites  (5, 5)

Asymmetric Unit (5, 5)
No.NameEvidenceResiduesDescription
1AC1SOFTWARETYR A:225 , ASN A:259 , HOH A:2091 , HOH A:2162 , ARG B:519BINDING SITE FOR RESIDUE PO4 A1524
2AC2SOFTWARECYS A:421 , ARG A:422 , VAL A:424 , ASP A:470 , HIS A:520 , ALA A:522BINDING SITE FOR RESIDUE K A1525
3AC3SOFTWARECYS B:421 , ARG B:422 , VAL B:424 , ASP B:470 , HIS B:520 , ALA B:522BINDING SITE FOR RESIDUE K B1524
4AC4SOFTWAREILE A:132 , PRO A:135 , ALA A:136 , ARG A:139 , ILE B:132 , PRO B:135 , ALA B:136 , ARG B:139BINDING SITE FOR RESIDUE GOL B1525
5AC5SOFTWARESER A:16 , VAL A:17 , TYR A:18 , LYS A:20 , THR A:40 , GLY A:41 , SER A:42 , THR A:43 , GLY A:69 , ARG A:70 , VAL A:71 , LYS A:72 , THR A:73 , LEU A:74 , ASN A:109 , TYR A:111 , ASP A:131 , ILE A:132 , GLY A:133 , GLY A:134 , MET A:137 , HOH A:2017BINDING SITE FOR RESIDUE JLN A1526

(-) SS Bonds  (0, 0)

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

(-) Cis Peptide Bonds  (4, 4)

Asymmetric/Biological Unit
No.Residues
1His A:204 -Pro A:205
2Ser A:426 -Asn A:427
3His B:204 -Pro B:205
4Ser B:426 -Asn B:427

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

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

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 3ZZM)

(-) Exons   (0, 0)

(no "Exon" information available for 3ZZM)

(-) 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:520
 aligned with PUR9_MYCTO | P9WHM6 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:520
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513       523
           PUR9_MYCTO     4 DDGRRPIRRALISVYDKTGLVDLAQGLSAAGVEIISTGSTAKTIADTGIPVTPVEQLTGFPEVLDGRVKTLHPRVHAGLLADLRKSEHAAALEQLGIEAFELVVVNLYPFSQTVESGASVDDCVEQIDIGGPAMVRAAAKNHPSAAVVTDPLGYHGVLAALRAGGFTLAERKRLASLAFQHIAEYDIAVASWMQQTLAPEHPVAAFPQWFGRSWRRVAMLRYGENPHQQAALYGDPTAWPGLAQAEQLHGKDMSYNNFTDADAAWRAAFDHEQTCVAIIKHANPCGIAISSVSVADAHRKAHECDPLSAYGGVIAANTEVSVEMAEYVSTIFTEVIVAPGYAPGALDVLARKKNIRVLVAAEPLAGGSELRPISGGLLIQQSDQLDAHGDNPANWTLATGSPADPATLTDLVFAWRACRAVKSNAIVIAADGATVGVGMGQVNRVDAARLAVERGGERVRGAVAASDAFFPFPDGLETLAAAGVTAVVHPGGSVRDEEVTEAAAKAGVTLYLTGARHFAH 523
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........eeeeee....hhhhhhhhhhhh..eeeehhhhhhhhhh.....eehhhhhh............hhhhhhhhhh...hhhhhhhhhhhh.....eeeee..hhhhhhhh..hhhhhhhh..hhhhhhhhhhhhh....eee.hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............eeeeeeeeeee..........eeeee......hhhhheeee....hhhhhhhhhhhhhhhh....eeeeeee..eeeeeeee..hhhhhhhhhhh.hhhhhh.eeeee....hhhhhhhhh...eeeeee.....hhhhhhh.....eeee........eeeeee..eeeeee.....hhhhhhhhheeee....hhhhhhhhhhhhhhhhhh....eeeee..eeeeee....hhhhhhhhhhhhhhhhh...eeee.....hhhhhhhhhhh...eeee.....hhhhhhhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3zzm A   4 DDGRRPIRRALISVYDKTGLVDLAQGLSAAGVEIISTGSTAKTIADTGIPVTPVEQLTGFPEVLDGRVKTLHPRVHAGLLADLRKSEHAAALEQLGIEAFELVVVNLYPFSQTVESGASVDDCVEQIDIGGPAMVRAAAKNHPSAAVVTDPLGYHGVLAALRAGGFTLAERKRLASLAFQHIAEYDIAVASWMQQTLAPEHPVAAFPQWFGRSWRRVAMLRYGENPHQQAALYGDPTAWPGLAQAEQLHGKDMSYNNFTDADAAWRAAFDHEQTCVAIIKHANPCGIAISSVSVADAHRKAHECDPLSAYGGVIAANTEVSVEMAEYVSTIFTEVIVAPGYAPGALDVLARKKNIRVLVAAEPLAGGSELRPISGGLLIQQSDQLDAHGDNPANWTLATGSPADPATLTDLVFAWRACRAVKSNAIVIAADGATVGVGMGQVNRVDAARLAVERGGERVRGAVAASDAFFPFPDGLETLAAAGVTAVVHPGGSVRDEEVTEAAAKAGVTLYLTGARHFAH 523
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513       523


Chain A from PDB  Type:PROTEIN  Length:520
 aligned with PUR9_MYCTU | P9WHM7 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:520
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513       523
           PUR9_MYCTU     4 DDGRRPIRRALISVYDKTGLVDLAQGLSAAGVEIISTGSTAKTIADTGIPVTPVEQLTGFPEVLDGRVKTLHPRVHAGLLADLRKSEHAAALEQLGIEAFELVVVNLYPFSQTVESGASVDDCVEQIDIGGPAMVRAAAKNHPSAAVVTDPLGYHGVLAALRAGGFTLAERKRLASLAFQHIAEYDIAVASWMQQTLAPEHPVAAFPQWFGRSWRRVAMLRYGENPHQQAALYGDPTAWPGLAQAEQLHGKDMSYNNFTDADAAWRAAFDHEQTCVAIIKHANPCGIAISSVSVADAHRKAHECDPLSAYGGVIAANTEVSVEMAEYVSTIFTEVIVAPGYAPGALDVLARKKNIRVLVAAEPLAGGSELRPISGGLLIQQSDQLDAHGDNPANWTLATGSPADPATLTDLVFAWRACRAVKSNAIVIAADGATVGVGMGQVNRVDAARLAVERGGERVRGAVAASDAFFPFPDGLETLAAAGVTAVVHPGGSVRDEEVTEAAAKAGVTLYLTGARHFAH 523
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ........eeeeee....hhhhhhhhhhhh..eeeehhhhhhhhhh.....eehhhhhh............hhhhhhhhhh...hhhhhhhhhhhh.....eeeee..hhhhhhhh..hhhhhhhh..hhhhhhhhhhhhh....eee.hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............eeeeeeeeeee..........eeeee......hhhhheeee....hhhhhhhhhhhhhhhh....eeeeeee..eeeeeeee..hhhhhhhhhhh.hhhhhh.eeeee....hhhhhhhhh...eeeeee.....hhhhhhh.....eeee........eeeeee..eeeeee.....hhhhhhhhheeee....hhhhhhhhhhhhhhhhhh....eeeee..eeeeee....hhhhhhhhhhhhhhhhh...eeee.....hhhhhhhhhhh...eeee.....hhhhhhhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3zzm A   4 DDGRRPIRRALISVYDKTGLVDLAQGLSAAGVEIISTGSTAKTIADTGIPVTPVEQLTGFPEVLDGRVKTLHPRVHAGLLADLRKSEHAAALEQLGIEAFELVVVNLYPFSQTVESGASVDDCVEQIDIGGPAMVRAAAKNHPSAAVVTDPLGYHGVLAALRAGGFTLAERKRLASLAFQHIAEYDIAVASWMQQTLAPEHPVAAFPQWFGRSWRRVAMLRYGENPHQQAALYGDPTAWPGLAQAEQLHGKDMSYNNFTDADAAWRAAFDHEQTCVAIIKHANPCGIAISSVSVADAHRKAHECDPLSAYGGVIAANTEVSVEMAEYVSTIFTEVIVAPGYAPGALDVLARKKNIRVLVAAEPLAGGSELRPISGGLLIQQSDQLDAHGDNPANWTLATGSPADPATLTDLVFAWRACRAVKSNAIVIAADGATVGVGMGQVNRVDAARLAVERGGERVRGAVAASDAFFPFPDGLETLAAAGVTAVVHPGGSVRDEEVTEAAAKAGVTLYLTGARHFAH 523
                                    13        23        33        43        53        63        73        83        93       103       113       123       133       143       153       163       173       183       193       203       213       223       233       243       253       263       273       283       293       303       313       323       333       343       353       363       373       383       393       403       413       423       433       443       453       463       473       483       493       503       513       523


Chain B from PDB  Type:PROTEIN  Length:518
 aligned with PUR9_MYCTO | P9WHM6 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:518
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425       435       445       455       465       475       485       495       505       515        
           PUR9_MYCTO     6 GRRPIRRALISVYDKTGLVDLAQGLSAAGVEIISTGSTAKTIADTGIPVTPVEQLTGFPEVLDGRVKTLHPRVHAGLLADLRKSEHAAALEQLGIEAFELVVVNLYPFSQTVESGASVDDCVEQIDIGGPAMVRAAAKNHPSAAVVTDPLGYHGVLAALRAGGFTLAERKRLASLAFQHIAEYDIAVASWMQQTLAPEHPVAAFPQWFGRSWRRVAMLRYGENPHQQAALYGDPTAWPGLAQAEQLHGKDMSYNNFTDADAAWRAAFDHEQTCVAIIKHANPCGIAISSVSVADAHRKAHECDPLSAYGGVIAANTEVSVEMAEYVSTIFTEVIVAPGYAPGALDVLARKKNIRVLVAAEPLAGGSELRPISGGLLIQQSDQLDAHGDNPANWTLATGSPADPATLTDLVFAWRACRAVKSNAIVIAADGATVGVGMGQVNRVDAARLAVERGGERVRGAVAASDAFFPFPDGLETLAAAGVTAVVHPGGSVRDEEVTEAAAKAGVTLYLTGARHFAH 523
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeeee....hhhhhhhhhhhh..eeeehhhhhhhhhh.....eehhhhhh...hhhhh....hhhhhhhhhh...hhhhhhhhhhhh.....eeeee..hhhhhhhh..hhhhhhhhh.hhhhhhhhhhhhh....eee.hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............eeeeeeeeeee..........eeeee......hhhhheeee....hhhhhhhhhhhhhhhh....eeeeeee..eeeeeeee..hhhhhhhhhhh.hhhhhh.eeeee....hhhhhhhhh...eeeeee.....hhhhhhh.....eeee........eeeeee..eeeeee.....hhhhhhhhheeee....hhhhhhhhhhhhhhhhhh....eeeee..eeeeee....hhhhhhhhhhhhhhhhh...eeee.....hhhhhhhhhhh...eeee.....hhhhhhhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3zzm B   6 GRRPIRRALISVYDKTGLVDLAQGLSAAGVEIISTGSTAKTIADTGIPVTPVEQLTGFPEVLDGRVKTLHPRVHAGLLADLRKSEHAAALEQLGIEAFELVVVNLYPFSQTVESGASVDDCVEQIDIGGPAMVRAAAKNHPSAAVVTDPLGYHGVLAALRAGGFTLAERKRLASLAFQHIAEYDIAVASWMQQTLAPEHPVAAFPQWFGRSWRRVAMLRYGENPHQQAALYGDPTAWPGLAQAEQLHGKDMSYNNFTDADAAWRAAFDHEQTCVAIIKHANPCGIAISSVSVADAHRKAHECDPLSAYGGVIAANTEVSVEMAEYVSTIFTEVIVAPGYAPGALDVLARKKNIRVLVAAEPLAGGSELRPISGGLLIQQSDQLDAHGDNPANWTLATGSPADPATLTDLVFAWRACRAVKSNAIVIAADGATVGVGMGQVNRVDAARLAVERGGERVRGAVAASDAFFPFPDGLETLAAAGVTAVVHPGGSVRDEEVTEAAAKAGVTLYLTGARHFAH 523
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425       435       445       455       465       475       485       495       505       515        


Chain B from PDB  Type:PROTEIN  Length:518
 aligned with PUR9_MYCTU | P9WHM7 from UniProtKB/Swiss-Prot  Length:523

    Alignment length:518
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425       435       445       455       465       475       485       495       505       515        
           PUR9_MYCTU     6 GRRPIRRALISVYDKTGLVDLAQGLSAAGVEIISTGSTAKTIADTGIPVTPVEQLTGFPEVLDGRVKTLHPRVHAGLLADLRKSEHAAALEQLGIEAFELVVVNLYPFSQTVESGASVDDCVEQIDIGGPAMVRAAAKNHPSAAVVTDPLGYHGVLAALRAGGFTLAERKRLASLAFQHIAEYDIAVASWMQQTLAPEHPVAAFPQWFGRSWRRVAMLRYGENPHQQAALYGDPTAWPGLAQAEQLHGKDMSYNNFTDADAAWRAAFDHEQTCVAIIKHANPCGIAISSVSVADAHRKAHECDPLSAYGGVIAANTEVSVEMAEYVSTIFTEVIVAPGYAPGALDVLARKKNIRVLVAAEPLAGGSELRPISGGLLIQQSDQLDAHGDNPANWTLATGSPADPATLTDLVFAWRACRAVKSNAIVIAADGATVGVGMGQVNRVDAARLAVERGGERVRGAVAASDAFFPFPDGLETLAAAGVTAVVHPGGSVRDEEVTEAAAKAGVTLYLTGARHFAH 523
               SCOP domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......eeeeee....hhhhhhhhhhhh..eeeehhhhhhhhhh.....eehhhhhh...hhhhh....hhhhhhhhhh...hhhhhhhhhhhh.....eeeee..hhhhhhhh..hhhhhhhhh.hhhhhhhhhhhhh....eee.hhhhhhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhhhhhhhhh............eeeeeeeeeee..........eeeee......hhhhheeee....hhhhhhhhhhhhhhhh....eeeeeee..eeeeeeee..hhhhhhhhhhh.hhhhhh.eeeee....hhhhhhhhh...eeeeee.....hhhhhhh.....eeee........eeeeee..eeeeee.....hhhhhhhhheeee....hhhhhhhhhhhhhhhhhh....eeeee..eeeeee....hhhhhhhhhhhhhhhhh...eeee.....hhhhhhhhhhh...eeee.....hhhhhhhhhhhhh.eeee........ Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3zzm B   6 GRRPIRRALISVYDKTGLVDLAQGLSAAGVEIISTGSTAKTIADTGIPVTPVEQLTGFPEVLDGRVKTLHPRVHAGLLADLRKSEHAAALEQLGIEAFELVVVNLYPFSQTVESGASVDDCVEQIDIGGPAMVRAAAKNHPSAAVVTDPLGYHGVLAALRAGGFTLAERKRLASLAFQHIAEYDIAVASWMQQTLAPEHPVAAFPQWFGRSWRRVAMLRYGENPHQQAALYGDPTAWPGLAQAEQLHGKDMSYNNFTDADAAWRAAFDHEQTCVAIIKHANPCGIAISSVSVADAHRKAHECDPLSAYGGVIAANTEVSVEMAEYVSTIFTEVIVAPGYAPGALDVLARKKNIRVLVAAEPLAGGSELRPISGGLLIQQSDQLDAHGDNPANWTLATGSPADPATLTDLVFAWRACRAVKSNAIVIAADGATVGVGMGQVNRVDAARLAVERGGERVRGAVAASDAFFPFPDGLETLAAAGVTAVVHPGGSVRDEEVTEAAAKAGVTLYLTGARHFAH 523
                                    15        25        35        45        55        65        75        85        95       105       115       125       135       145       155       165       175       185       195       205       215       225       235       245       255       265       275       285       295       305       315       325       335       345       355       365       375       385       395       405       415       425       435       445       455       465       475       485       495       505       515
   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 3ZZM)

(-) CATH Domains  (0, 0)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3ZZM)

(-) Gene Ontology  (10, 18)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (PUR9_MYCTO | P9WHM6)
molecular function
    GO:0003937    IMP cyclohydrolase activity    Catalysis of the reaction: IMP + H2O = 5-formamido-1-(5-phosphoribosyl)imidazole-4-carboxamide.
    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:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0004643    phosphoribosylaminoimidazolecarboxamide formyltransferase activity    Catalysis of the reaction: 10-formyltetrahydrofolate + 5'-phosphoribosyl-5-amino-4-imidazolecarboxamide = tetrahydrofolate + 5'-phosphoribosyl-5-formamido-4-imidazolecarboxamide.
    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: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: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: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.

Chain A,B   (PUR9_MYCTU | P9WHM7)
molecular function
    GO:0003937    IMP cyclohydrolase activity    Catalysis of the reaction: IMP + H2O = 5-formamido-1-(5-phosphoribosyl)imidazole-4-carboxamide.
    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:0016787    hydrolase activity    Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
    GO:0004643    phosphoribosylaminoimidazolecarboxamide formyltransferase activity    Catalysis of the reaction: 10-formyltetrahydrofolate + 5'-phosphoribosyl-5-amino-4-imidazolecarboxamide = tetrahydrofolate + 5'-phosphoribosyl-5-formamido-4-imidazolecarboxamide.
    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: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:0040007    growth    The increase in size or mass of an entire organism, a part of an organism or a cell.
    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: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.
cellular component
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.

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(-) Related Entries Specified in the PDB File

4a1o CRYSTAL STRUCTURE OF MYCOBACTERIUM TUBERCULOSIS PURH COMPLEXED WITH AICAR AND A NOVEL NUCLEOTIDE CFAIR, AT 2.48 A RESOLUTION.