ID   PUR5_ECTM1              Reviewed;         352 AA.
AC   A4XWN5;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   29-MAY-2007, sequence version 1.
DT   02-SEP-2026, entry version 93.
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=Pmen_2996;
OS   Ectopseudomonas mendocina (strain ymp) (Pseudomonas mendocina).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Pseudomonadales; Pseudomonadaceae; Ectopseudomonas.
OX   NCBI_TaxID=399739;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ymp;
RG   US DOE Joint Genome Institute;
RA   Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E.,
RA   Tice H., Pitluck S., Kiss H., Brettin T., Detter J.C., Bruce D., Han C.,
RA   Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N.,
RA   Hersman L., Dubois J., Maurice P., Richardson P.;
RT   "Complete sequence of Pseudomonas mendocina ymp.";
RL   Submitted (APR-2007) 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; CP000680; ABP85751.1; -; Genomic_DNA.
DR   AlphaFoldDB; A4XWN5; -.
DR   SMR; A4XWN5; -.
DR   STRING; 399739.Pmen_2996; -.
DR   KEGG; pmy:Pmen_2996; -.
DR   PATRIC; fig|399739.8.peg.3041; -.
DR   eggNOG; COG0150; Bacteria.
DR   HOGENOM; CLU_047116_0_0_6; -.
DR   OrthoDB; 9777881at2; -.
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..352
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_1000046460"
SQ   SEQUENCE   352 AA;  36749 MW;  3F91FF58B32A04D3 CRC64;
     MSKQPSISYK DAGVDIDAGE ALVERIKGVA KRTARPEVMG GLGGFGALCE IPAGYKQPVL
     VSGTDGVGTK LRLALNLNKH DSIGQDLVAM CVNDLVVCGA EPLFFLDYYA TGKLNVDVAA
     TVVTGIGAGC ELAGCSLVGG ETAEMPGMYE GEDYDLAGFC VGVVEKSEII DGSKVATGDA
     LIALPSSGPH SNGYSLIRKI IEVSGADIEQ VQLDGKALAD LLMAPTRIYV KPLLKLIKDT
     GAVKAMAHIT GGGLLDNIPR VLPQGAQAVI DVASWNRPAV FDWLQEKGNV DEHEMHRVLN
     CGVGMVICVA QDQVEAALAS LRASGESPWV IGQIAEAAEG AAQVQLNNLK TH
//