ID   PUR5_RUEST              Reviewed;         348 AA.
AC   Q1GGK7;
DT   31-OCT-2006, integrated into UniProtKB/Swiss-Prot.
DT   27-JUN-2006, sequence version 1.
DT   27-MAR-2024, entry version 106.
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};
GN   OrderedLocusNames=TM1040_1476;
OS   Ruegeria sp. (strain TM1040) (Silicibacter sp.).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Rhodobacterales;
OC   Roseobacteraceae; Ruegeria.
OX   NCBI_TaxID=292414;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=TM1040;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA   Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA   Brettin T., Bruce D., Han C., Tapia R., Goodwin L., Thompson L.S.,
RA   Gilna P., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Kim E.,
RA   Belas R., Moran M.A., Buchan A., Gonzalez J.M., Schell M.A., Sun F.,
RA   Richardson P.;
RT   "Complete sequence of chromosome of Silicibacter sp. TM1040.";
RL   Submitted (MAY-2006) to the EMBL/GenBank/DDBJ databases.
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; CP000377; ABF64209.1; -; Genomic_DNA.
DR   RefSeq; WP_011538811.1; NC_008044.1.
DR   AlphaFoldDB; Q1GGK7; -.
DR   SMR; Q1GGK7; -.
DR   STRING; 292414.TM1040_1476; -.
DR   KEGG; sit:TM1040_1476; -.
DR   eggNOG; COG0150; Bacteria.
DR   HOGENOM; CLU_047116_0_0_5; -.
DR   OrthoDB; 9777881at2; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000000636; 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; 3.90.650.10; PurM-like C-terminal domain; 1.
DR   Gene3D; 3.30.1330.10; PurM-like, N-terminal domain; 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   NCBIfam; TIGR00878; purM; 1.
DR   PANTHER; PTHR10520:SF12; TRIFUNCTIONAL PURINE BIOSYNTHETIC PROTEIN ADENOSINE-3; 1.
DR   PANTHER; PTHR10520; TRIFUNCTIONAL PURINE BIOSYNTHETIC PROTEIN ADENOSINE-3-RELATED; 1.
DR   Pfam; PF00586; AIRS; 1.
DR   Pfam; PF02769; AIRS_C; 1.
DR   SUPFAM; SSF56042; PurM C-terminal domain-like; 1.
DR   SUPFAM; SSF55326; PurM N-terminal domain-like; 1.
PE   3: Inferred from homology;
KW   ATP-binding; Cytoplasm; Ligase; Nucleotide-binding; Purine biosynthesis;
KW   Reference proteome.
FT   CHAIN           1..348
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_0000258406"
SQ   SEQUENCE   348 AA;  35929 MW;  E4053F41C370CE14 CRC64;
     MTSGKNGLTY ADAGVDIDAG NELVDRIKPA AKRTNRPGVM SGLGGFGALF DLKAAGYEDP
     ILVGATDGVG TKLRIAIDTG LVDGVGIDLV AMCVNDLVCQ GAEPLFFLDY FATGKLETDV
     AARIIEGIAE GCVRSGCALI GGETAEMPGM YPKGDFDLAG FAVGAMERGT ALPAGVSEGD
     VLLGLASDGV HSNGYSLVRQ IVKYSGLGWD GDNPFGEGKL GEALLTPTRL YVKQSLAAVR
     AGGVNALAHI TGGGLTENLP RVLPDDLGAD IDLGAWELPG VFKWMAQTGG IEESEMLKTF
     NCGIGMILVV KADRADALTE VLEGEGETVA RLGTVTRGEG IRYTGALL
//