ID   PUR5_SHESR              Reviewed;         345 AA.
AC   Q0HTW8;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   03-OCT-2006, sequence version 1.
DT   04-NOV-2026, entry version 99.
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=Shewmr7_2452;
OS   Shewanella sp. (strain MR-7).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Alteromonadales; Shewanellaceae; Shewanella.
OX   NCBI_TaxID=60481;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MR-7;
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   Kiss H., Brettin T., Bruce D., Han C., Tapia R., Gilna P., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Nealson K.,
RA   Konstantinidis K., Klappenbach J., Tiedje J., Richardson P.;
RT   "Complete sequence of chromosome 1 of Shewanella sp. MR-7.";
RL   Submitted (AUG-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 + phosphate +
CC         H(+); Xref=Rhea:RHEA:23032, ChEBI:CHEBI:15378, ChEBI:CHEBI:30616,
CC         ChEBI:CHEBI:43474, ChEBI:CHEBI:137981, ChEBI:CHEBI:147287,
CC         ChEBI:CHEBI:456216; EC=6.3.3.1; Evidence={ECO:0000255|HAMAP-
CC         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; CP000444; ABI43437.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q0HTW8; -.
DR   SMR; Q0HTW8; -.
DR   KEGG; shm:Shewmr7_2452; -.
DR   HOGENOM; CLU_047116_0_0_6; -.
DR   OMA; AACPWSD; -.
DR   UniPathway; UPA00074; UER00129.
DR   GO; GO:0005829; C:cytosol; IEA:TreeGrafter.
DR   GO; GO:0004637; F:phosphoribosylamine-glycine ligase activity; IEA:TreeGrafter.
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   GO; GO:0046084; P:adenine biosynthetic process; IEA:TreeGrafter.
DR   CDD; cd02196; PurM; 1.
DR   FunFam; 3.30.1330.10:FF:000001; Phosphoribosylformylglycinamidine cyclo-ligase; 1.
DR   FunFam; 3.90.650.10:FF:000001; Phosphoribosylformylglycinamidine cyclo-ligase; 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.
FT   CHAIN           1..345
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_1000046470"
SQ   SEQUENCE   345 AA;  36803 MW;  81B38879718FEBF8 CRC64;
     MSTPTPLSYK DAGVDIDAGN ALVSNIKAAV KRTRRPEVMG NLGGFGALCE LPTKYKQPVL
     VSGTDGVGTK LRLAIDYKKH DTVGIDLVAM CVNDLIVQGA EPLFFLDYYA TGKLDVETAT
     SVVNGIGEGC FQSGCALIGG ETAEMPGMYE GEDYDLAGFC VGVVEKADII DGSKVAAGDA
     LIALASSGPH SNGYSLVRKV LEVSQADPQQ DLNGKPLIQH LLEPTKIYVK SLLKLIEASD
     VHAMAHITGG GFWENIPRVL PENCKAVIQG DSWQWPAVFN WLMENGNIAE YEMYRTFNCG
     VGMIVALPAD KVDAALALLA AEGEQAWLIG AIAPREGNEE QVEIL
//