ID   PUR9_PSEAB              Reviewed;         535 AA.
AC   Q02FG6;
DT   15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT   14-NOV-2006, sequence version 1.
DT   03-AUG-2022, entry version 80.
DE   RecName: Full=Bifunctional purine biosynthesis protein PurH {ECO:0000255|HAMAP-Rule:MF_00139};
DE   Includes:
DE     RecName: Full=Phosphoribosylaminoimidazolecarboxamide formyltransferase {ECO:0000255|HAMAP-Rule:MF_00139};
DE              EC=2.1.2.3 {ECO:0000255|HAMAP-Rule:MF_00139};
DE     AltName: Full=AICAR transformylase {ECO:0000255|HAMAP-Rule:MF_00139};
DE   Includes:
DE     RecName: Full=IMP cyclohydrolase {ECO:0000255|HAMAP-Rule:MF_00139};
DE              EC=3.5.4.10 {ECO:0000255|HAMAP-Rule:MF_00139};
DE     AltName: Full=ATIC {ECO:0000255|HAMAP-Rule:MF_00139};
DE     AltName: Full=IMP synthase {ECO:0000255|HAMAP-Rule:MF_00139};
DE     AltName: Full=Inosinicase {ECO:0000255|HAMAP-Rule:MF_00139};
GN   Name=purH {ECO:0000255|HAMAP-Rule:MF_00139}; OrderedLocusNames=PA14_64200;
OS   Pseudomonas aeruginosa (strain UCBPP-PA14).
OC   Bacteria; Proteobacteria; Gammaproteobacteria; Pseudomonadales;
OC   Pseudomonadaceae; Pseudomonas.
OX   NCBI_TaxID=208963;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=UCBPP-PA14;
RX   PubMed=17038190; DOI=10.1186/gb-2006-7-10-r90;
RA   Lee D.G., Urbach J.M., Wu G., Liberati N.T., Feinbaum R.L., Miyata S.,
RA   Diggins L.T., He J., Saucier M., Deziel E., Friedman L., Li L., Grills G.,
RA   Montgomery K., Kucherlapati R., Rahme L.G., Ausubel F.M.;
RT   "Genomic analysis reveals that Pseudomonas aeruginosa virulence is
RT   combinatorial.";
RL   Genome Biol. 7:R90.1-R90.14(2006).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6S)-10-formyltetrahydrofolate + 5-amino-1-(5-phospho-beta-D-
CC         ribosyl)imidazole-4-carboxamide = (6S)-5,6,7,8-tetrahydrofolate + 5-
CC         formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide;
CC         Xref=Rhea:RHEA:22192, ChEBI:CHEBI:57453, ChEBI:CHEBI:57454,
CC         ChEBI:CHEBI:58467, ChEBI:CHEBI:58475; EC=2.1.2.3;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00139};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + IMP = 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-
CC         carboxamide; Xref=Rhea:RHEA:18445, ChEBI:CHEBI:15377,
CC         ChEBI:CHEBI:58053, ChEBI:CHEBI:58467; EC=3.5.4.10;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00139};
CC   -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; 5-
CC       formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide from 5-amino-
CC       1-(5-phospho-D-ribosyl)imidazole-4-carboxamide (10-formyl THF route):
CC       step 1/1. {ECO:0000255|HAMAP-Rule:MF_00139}.
CC   -!- PATHWAY: Purine metabolism; IMP biosynthesis via de novo pathway; IMP
CC       from 5-formamido-1-(5-phospho-D-ribosyl)imidazole-4-carboxamide: step
CC       1/1. {ECO:0000255|HAMAP-Rule:MF_00139}.
CC   -!- DOMAIN: The IMP cyclohydrolase activity resides in the N-terminal
CC       region. {ECO:0000255|HAMAP-Rule:MF_00139}.
CC   -!- SIMILARITY: Belongs to the PurH family. {ECO:0000255|HAMAP-
CC       Rule:MF_00139}.
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DR   EMBL; CP000438; ABJ14238.1; -; Genomic_DNA.
DR   RefSeq; WP_004365428.1; NZ_CP034244.1.
DR   AlphaFoldDB; Q02FG6; -.
DR   SMR; Q02FG6; -.
DR   PRIDE; Q02FG6; -.
DR   EnsemblBacteria; ABJ14238; ABJ14238; PA14_64200.
DR   KEGG; pau:PA14_64200; -.
DR   HOGENOM; CLU_016316_5_2_6; -.
DR   OMA; WRVAKFV; -.
DR   BioCyc; PAER208963:G1G74-5425-MON; -.
DR   UniPathway; UPA00074; UER00133.
DR   UniPathway; UPA00074; UER00135.
DR   Proteomes; UP000000653; Chromosome.
DR   GO; GO:0003937; F:IMP cyclohydrolase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0004643; F:phosphoribosylaminoimidazolecarboxamide formyltransferase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0006189; P:'de novo' IMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 3.40.140.20; -; 2.
DR   Gene3D; 3.40.50.1380; -; 1.
DR   HAMAP; MF_00139; PurH; 1.
DR   InterPro; IPR024051; AICAR_Tfase_dup_dom_sf.
DR   InterPro; IPR016193; Cytidine_deaminase-like.
DR   InterPro; IPR011607; MGS-like_dom.
DR   InterPro; IPR036914; MGS-like_dom_sf.
DR   InterPro; IPR002695; PurH-like.
DR   PANTHER; PTHR11692; PTHR11692; 1.
DR   Pfam; PF01808; AICARFT_IMPCHas; 1.
DR   Pfam; PF02142; MGS; 1.
DR   PIRSF; PIRSF000414; AICARFT_IMPCHas; 1.
DR   SMART; SM00798; AICARFT_IMPCHas; 1.
DR   SMART; SM00851; MGS; 1.
DR   SUPFAM; SSF52335; SSF52335; 1.
DR   SUPFAM; SSF53927; SSF53927; 1.
DR   TIGRFAMs; TIGR00355; purH; 1.
DR   PROSITE; PS51855; MGS; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Multifunctional enzyme; Purine biosynthesis; Transferase.
FT   CHAIN           1..535
FT                   /note="Bifunctional purine biosynthesis protein PurH"
FT                   /id="PRO_1000018936"
FT   DOMAIN          6..151
FT                   /note="MGS-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
SQ   SEQUENCE   535 AA;  57667 MW;  05A0141BEA969F8C CRC64;
     MTDQTTRLPI RRALISVSDK TGVVDFAREL VALGVEILST GGTYKLLRDN GISAVEVADY
     TGFPEMMDGR VKTLHPKVHG GILGRRDLDG AVMEQHGIKP IDLVAVNLYP FEATVVRPDC
     DLPTAIENID IGGPTMVRSA AKNHKDVAIV VNAGDYAAVI ESLKAGGLTY AQRFDLALKA
     FEHTSAYDGM IANYLGTIDQ TRDTLGTADR GAFPRTFNSQ FVKAQEMRYG ENPHQSAAFY
     VEAKKGEASV STAIQLQGKE LSFNNVADTD AALECVKSFL KPACVIVKHA NPCGVAVVPE
     DEGGIRKAYD LAYATDSESA FGGIIAFNRE LDGETAKAIV ERQFVEVIIA PKISAAAREV
     VAAKANVRLL ECGEWPAERA PGWDFKRVNG GLLVQSRDIG MIKAEDLKIV TRRAPTEQEI
     HDLIFAWKVA KFVKSNAIVY ARNRQTVGVG AGQMSRVNSA RIAAIKAEHA GLEVKGAVMA
     SDAFFPFRDG IDNAAKAGIT AVIQPGGSMR DSEVIAAADE ADIAMVFTGM RHFRH