ID   PUR5_ERWT9              Reviewed;         346 AA.
AC   B2VE71;
DT   14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUL-2008, sequence version 1.
DT   02-SEP-2026, entry version 91.
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=ETA_10560;
OS   Erwinia tasmaniensis (strain DSM 17950 / CFBP 7177 / CIP 109463 / NCPPB
OS   4357 / Et1/99).
OC   Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
OC   Enterobacterales; Erwiniaceae; Erwinia.
OX   NCBI_TaxID=465817;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 17950 / CFBP 7177 / CIP 109463 / NCPPB 4357 / Et1/99;
RX   PubMed=18462403; DOI=10.1111/j.1462-2920.2008.01639.x;
RA   Kube M., Migdoll A.M., Mueller I., Kuhl H., Beck A., Reinhardt R.,
RA   Geider K.;
RT   "The genome of Erwinia tasmaniensis strain Et1/99, a non-pathogenic
RT   bacterium in the genus Erwinia.";
RL   Environ. Microbiol. 10:2211-2222(2008).
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}.
CC   ---------------------------------------------------------------------------
CC   Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC   Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC   ---------------------------------------------------------------------------
DR   EMBL; CU468135; CAO96102.1; -; Genomic_DNA.
DR   RefSeq; WP_012440802.1; NC_010694.1.
DR   AlphaFoldDB; B2VE71; -.
DR   SMR; B2VE71; -.
DR   STRING; 465817.ETA_10560; -.
DR   KEGG; eta:ETA_10560; -.
DR   eggNOG; COG0150; Bacteria.
DR   HOGENOM; CLU_047116_0_0_6; -.
DR   OrthoDB; 9777881at2; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000001726; Chromosome.
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;
KW   Reference proteome.
FT   CHAIN           1..346
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_1000193014"
SQ   SEQUENCE   346 AA;  36870 MW;  B414E2AA74A8CC60 CRC64;
     MTDKTSLSYK DAGVDIDAGN ALVDRIKGVV KKTRRPEVMG GLGGFGALCA LPQKYREPIL
     VSGTDGVGTK LRLAMDLKRH DAIGIDLVAM CVNDLVVSGA EPLFFLDYYA TGKLDVDTAA
     SVITGIAEGC SQSGCALVGG ETAEMPGMYH GEDYDVAGFC VGVVEKSEII DGSKVAEGDV
     LIALGSSGPH SNGYSLVRKI LAFSNTDPET TQLEGKPLAD HLLAPTRIYV KNILSLIEQV
     DVHAIAHLTG GGFWENIPRV LPDNTQAVLD ESSWEWPAVF GWMQQAGNVS RFEMYRTFNC
     GVGMVIALSA ADADKALRLM NDAGEKAWKI GVIKASDSEE RVVINA
//