ID   PUR5_HAEIN              Reviewed;         344 AA.
AC   P43848;
DT   01-NOV-1995, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1995, sequence version 1.
DT   27-MAR-2024, entry version 138.
DE   RecName: Full=Phosphoribosylformylglycinamidine cyclo-ligase;
DE            EC=6.3.3.1;
DE   AltName: Full=AIR synthase;
DE   AltName: Full=AIRS;
DE   AltName: Full=Phosphoribosyl-aminoimidazole synthetase;
GN   Name=purM; OrderedLocusNames=HI_1429;
OS   Haemophilus influenzae (strain ATCC 51907 / DSM 11121 / KW20 / Rd).
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC   Pasteurellaceae; Haemophilus.
OX   NCBI_TaxID=71421;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51907 / DSM 11121 / KW20 / Rd;
RX   PubMed=7542800; DOI=10.1126/science.7542800;
RA   Fleischmann R.D., Adams M.D., White O., Clayton R.A., Kirkness E.F.,
RA   Kerlavage A.R., Bult C.J., Tomb J.-F., Dougherty B.A., Merrick J.M.,
RA   McKenney K., Sutton G.G., FitzHugh W., Fields C.A., Gocayne J.D.,
RA   Scott J.D., Shirley R., Liu L.-I., Glodek A., Kelley J.M., Weidman J.F.,
RA   Phillips C.A., Spriggs T., Hedblom E., Cotton M.D., Utterback T.R.,
RA   Hanna M.C., Nguyen D.T., Saudek D.M., Brandon R.C., Fine L.D.,
RA   Fritchman J.L., Fuhrmann J.L., Geoghagen N.S.M., Gnehm C.L., McDonald L.A.,
RA   Small K.V., Fraser C.M., Smith H.O., Venter J.C.;
RT   "Whole-genome random sequencing and assembly of Haemophilus influenzae
RT   Rd.";
RL   Science 269:496-512(1995).
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   -!- 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.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the AIR synthase family. {ECO:0000305}.
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DR   EMBL; L42023; AAC23076.1; -; Genomic_DNA.
DR   PIR; G64122; G64122.
DR   RefSeq; NP_439578.1; NC_000907.1.
DR   AlphaFoldDB; P43848; -.
DR   SMR; P43848; -.
DR   STRING; 71421.HI_1429; -.
DR   EnsemblBacteria; AAC23076; AAC23076; HI_1429.
DR   KEGG; hin:HI_1429; -.
DR   PATRIC; fig|71421.8.peg.1486; -.
DR   eggNOG; COG0150; Bacteria.
DR   HOGENOM; CLU_047116_0_0_6; -.
DR   OrthoDB; 9777881at2; -.
DR   PhylomeDB; P43848; -.
DR   BioCyc; HINF71421:G1GJ1-1452-MONOMER; -.
DR   UniPathway; UPA00074; UER00129.
DR   Proteomes; UP000000579; Chromosome.
DR   GO; GO:0005829; C:cytosol; IBA:GO_Central.
DR   GO; GO:0005524; F:ATP binding; IEA:UniProtKB-KW.
DR   GO; GO:0004637; F:phosphoribosylamine-glycine ligase activity; IBA:GO_Central.
DR   GO; GO:0004641; F:phosphoribosylformylglycinamidine cyclo-ligase activity; IBA:GO_Central.
DR   GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0046084; P:adenine biosynthetic process; IBA:GO_Central.
DR   GO; GO:0006164; P:purine nucleotide biosynthetic process; IBA:GO_Central.
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..344
FT                   /note="Phosphoribosylformylglycinamidine cyclo-ligase"
FT                   /id="PRO_0000148215"
SQ   SEQUENCE   344 AA;  37066 MW;  06EF6784D42A3936 CRC64;
     MSNTQLSYKD AGVDIHTGNE LVERIKGDVK RTRRSEVMGG LGGFGALCAL PTKYKEPILV
     SGTDGVGTKL RLAIDLKKHD TIGQDLVAMC VNDLIVQGAE PLFFLDYYAT GKLDVDVAAS
     VIKGIADGCE MSGCALVGGE TAEMPGMYHE GDYDLAGFCV GVVEKSEIID GTAVKTGDTL
     IALGSSGAHS NGYSLIRKVL EVSGANPTDL LEGKPLSEHL LAPTKIYVKS ILQLIKQTEV
     HAIAHLTGGG FWENIPRVLP DNTKAVIDES SWQWPAIFNW LQEKGNISRY EMYRTFNCGV
     GMVIALPEKE VETALALLEQ SGEKAWVIGK IEHLGESEAQ VEIQ
//