ID   PUR5_CARHZ              Reviewed;         343 AA.
AC   Q3AD62;
DT   31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   22-NOV-2005, sequence version 1.
DT   25-MAY-2022, entry version 90.
DE   RecName: Full=Phosphoribosylformylglycinamidine cyclo-ligase {ECO:0000255|HAMAP-Rule:MF_00741};
DE            EC=6.3.3.1 {ECO:0000255|HAMAP-Rule:MF_00741};
DE   AltName: Full=AIR synthase {ECO:0000255|HAMAP-Rule:MF_00741};
DE   AltName: Full=AIRS {ECO:0000255|HAMAP-Rule:MF_00741};
DE   AltName: Full=Phosphoribosyl-aminoimidazole synthetase {ECO:0000255|HAMAP-Rule:MF_00741};
GN   Name=purM {ECO:0000255|HAMAP-Rule:MF_00741}; OrderedLocusNames=CHY_1076;
OS   Carboxydothermus hydrogenoformans (strain ATCC BAA-161 / DSM 6008 /
OS   Z-2901).
OC   Bacteria; Firmicutes; Clostridia; Thermoanaerobacterales;
OC   Thermoanaerobacteraceae; Carboxydothermus.
OX   NCBI_TaxID=246194;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-161 / DSM 6008 / Z-2901;
RX   PubMed=16311624; DOI=10.1371/journal.pgen.0010065;
RA   Wu M., Ren Q., Durkin A.S., Daugherty S.C., Brinkac L.M., Dodson R.J.,
RA   Madupu R., Sullivan S.A., Kolonay J.F., Nelson W.C., Tallon L.J.,
RA   Jones K.M., Ulrich L.E., Gonzalez J.M., Zhulin I.B., Robb F.T., Eisen J.A.;
RT   "Life in hot carbon monoxide: the complete genome sequence of
RT   Carboxydothermus hydrogenoformans Z-2901.";
RL   PLoS Genet. 1:563-574(2005).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=2-formamido-N(1)-(5-O-phospho-beta-D-ribosyl)acetamidine + ATP
CC         = 5-amino-1-(5-phospho-beta-D-ribosyl)imidazole + ADP + H(+) +
CC         phosphate; Xref=Rhea:RHEA:23032, ChEBI:CHEBI:15378,
CC         ChEBI:CHEBI:30616, ChEBI:CHEBI:43474, ChEBI:CHEBI:137981,
CC         ChEBI:CHEBI:147287, ChEBI:CHEBI:456216; EC=6.3.3.1;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00741};
CC   -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; 5-
CC       amino-1-(5-phospho-D-ribosyl)imidazole from N(2)-formyl-N(1)-(5-
CC       phospho-D-ribosyl)glycinamide: step 2/2. {ECO:0000255|HAMAP-
CC       Rule:MF_00741}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000255|HAMAP-Rule:MF_00741}.
CC   -!- SIMILARITY: Belongs to the AIR synthase family. {ECO:0000255|HAMAP-
CC       Rule:MF_00741}.
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DR   EMBL; CP000141; ABB15319.1; -; Genomic_DNA.
DR   RefSeq; WP_011343998.1; NC_007503.1.
DR   AlphaFoldDB; Q3AD62; -.
DR   SMR; Q3AD62; -.
DR   STRING; 246194.CHY_1076; -.
DR   EnsemblBacteria; ABB15319; ABB15319; CHY_1076.
DR   KEGG; chy:CHY_1076; -.
DR   eggNOG; COG0150; Bacteria.
DR   HOGENOM; CLU_047116_0_0_9; -.
DR   OMA; EPLFMTD; -.
DR   OrthoDB; 923547at2; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000002706; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004641; F:phosphoribosylformylglycinamidine cyclo-ligase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd02196; PurM; 1.
DR   Gene3D; 3.30.1330.10; -; 1.
DR   Gene3D; 3.90.650.10; -; 1.
DR   HAMAP; MF_00741; AIRS; 1.
DR   InterPro; IPR010918; PurM-like_C_dom.
DR   InterPro; IPR036676; PurM-like_C_sf.
DR   InterPro; IPR016188; PurM-like_N.
DR   InterPro; IPR036921; PurM-like_N_sf.
DR   InterPro; IPR004733; PurM_cligase.
DR   PANTHER; PTHR10520; PTHR10520; 1.
DR   Pfam; PF00586; AIRS; 1.
DR   Pfam; PF02769; AIRS_C; 1.
DR   SUPFAM; SSF55326; SSF55326; 1.
DR   SUPFAM; SSF56042; SSF56042; 1.
DR   TIGRFAMs; TIGR00878; purM; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Ligase; Nucleotide-binding; Purine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..343
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_0000258345"
SQ   SEQUENCE   343 AA;  37031 MW;  C7BAFC7510FD2010 CRC64;
     MEELTYKAAG VDIDAGMDVV RRIKSEVEKT LNPNVLAGIG GFSALYCLDV TGYNEPVLVS
     STDGVGTKLK IAQALGKYDT IGIDLVAMVV NDLLTVGAKP LFFLDYVAVG KLNPEQVADL
     VKGMAEGCLE ADCALVGGET AEMPGVYHPG DFDIAGFGVG VVEKSKIIDG SSVKAGDVII
     GVASSGIHSN GLSLARKALL EYGNYHLTAY VEEFGKTLGE ELLTPTRIYV KPVLDLMQKV
     EIKGMAHITG GGIVDNLPRI LPEKVEARIT VNWEIPKIFK LIEKAGNVPR REMWRTFNMG
     IGFILIVEEA KVQEAIKTLE SFNYKAWVIG EITAGERRVI INE