ID PUR5_ECO8A Reviewed; 345 AA.
AC B7M7K3;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 24-MAR-2009, sequence version 1.
DT 27-MAR-2024, entry version 80.
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=ECIAI1_2551;
OS Escherichia coli O8 (strain IAI1).
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=585034;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IAI1;
RX PubMed=19165319; DOI=10.1371/journal.pgen.1000344;
RA Touchon M., Hoede C., Tenaillon O., Barbe V., Baeriswyl S., Bidet P.,
RA Bingen E., Bonacorsi S., Bouchier C., Bouvet O., Calteau A., Chiapello H.,
RA Clermont O., Cruveiller S., Danchin A., Diard M., Dossat C., Karoui M.E.,
RA Frapy E., Garry L., Ghigo J.M., Gilles A.M., Johnson J., Le Bouguenec C.,
RA Lescat M., Mangenot S., Martinez-Jehanne V., Matic I., Nassif X., Oztas S.,
RA Petit M.A., Pichon C., Rouy Z., Ruf C.S., Schneider D., Tourret J.,
RA Vacherie B., Vallenet D., Medigue C., Rocha E.P.C., Denamur E.;
RT "Organised genome dynamics in the Escherichia coli species results in
RT highly diverse adaptive paths.";
RL PLoS Genet. 5:E1000344-E1000344(2009).
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; CU928160; CAQ99391.1; -; Genomic_DNA.
DR RefSeq; WP_001295474.1; NC_011741.1.
DR AlphaFoldDB; B7M7K3; -.
DR SMR; B7M7K3; -.
DR GeneID; 75204226; -.
DR KEGG; ecr:ECIAI1_2551; -.
DR HOGENOM; CLU_047116_0_0_6; -.
DR UniPathway; UPA00074; UER00129.
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.
FT CHAIN 1..345
FT /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT /id="PRO_1000193022"
SQ SEQUENCE 345 AA; 36873 MW; 2DBC0975E81815D7 CRC64;
MTDKTSLSYK DAGVDIDAGN ALVGRIKGVV KKTRRPEVMG GLGGFGALCA LPQKYREPVL
VSGTDGVGTK LRLAMDLKRH DTIGIDLVAM CVNDLVVQGA EPLFFLDYYA TGKLDVDTAS
AVISGIAEGC LQSGCSLVGG ETAEMPGMYH GEDYDVAGFC VGVVEKSEII DGSKVSDGDV
LIALGSSGPH SNGYSLVRKI LEVSGCDPQT TELDGKPLAD HLLAPTRIYV KSVLELIEKV
DVHAIAHLTG GGFWENIPRV LPDNTQAVID ESSWQWPEVF NWLQTAGNVE RHEMYRTFNC
GVGMIIALPA PEVDKALALL NANGENAWKI GIIKASDSEQ RVVIE
//
