ID   PUR9_BURA4              Reviewed;         521 AA.
AC   B1YTE2;
DT   24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT   20-MAY-2008, sequence version 1.
DT   03-AUG-2022, entry version 74.
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};
GN   OrderedLocusNames=BamMC406_0610;
OS   Burkholderia ambifaria (strain MC40-6).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Burkholderia; Burkholderia cepacia complex.
OX   NCBI_TaxID=398577;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=MC40-6;
RA   Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Lang D., Schmutz J.,
RA   Larimer F., Land M., Hauser L., Kyrpides N., Lykidis A., Ramette A.,
RA   Konstantinidis K., Tiedje J., Richardson P.;
RT   "Complete sequence of chromosome 1 of Burkholderia ambifaria MC40-6.";
RL   Submitted (APR-2008) to the EMBL/GenBank/DDBJ databases.
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; CP001025; ACB63107.1; -; Genomic_DNA.
DR   RefSeq; WP_012363106.1; NC_010551.1.
DR   AlphaFoldDB; B1YTE2; -.
DR   SMR; B1YTE2; -.
DR   EnsemblBacteria; ACB63107; ACB63107; BamMC406_0610.
DR   GeneID; 60994378; -.
DR   KEGG; bac:BamMC406_0610; -.
DR   HOGENOM; CLU_016316_5_2_4; -.
DR   OMA; WRVAKFV; -.
DR   OrthoDB; 1049662at2; -.
DR   UniPathway; UPA00074; UER00133.
DR   UniPathway; UPA00074; UER00135.
DR   Proteomes; UP000001680; Chromosome 1.
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..521
FT                   /note="Bifunctional purine biosynthesis protein PurH"
FT                   /id="PRO_1000096043"
FT   DOMAIN          1..145
FT                   /note="MGS-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
SQ   SEQUENCE   521 AA;  55493 MW;  A0A275CEFF04292F CRC64;
     MIKQALISVS DKTGIVDFAK SLSDLGVKLL STGGTAKLLA DAGLPVTEVA DYTGFPEMLD
     GRVKTLHPKV HGGILARRDL PEHMQALEQH DIPTIDLLVV NLYPFVATIA KDDCTLADAI
     ENIDIGGPTM LRSAAKNHRD VTVVVDPADY AVVLDEMKAN GNAIGYATNF RLATKVFAHT
     AQYDGAITNY LTSLTDELQH ASRSAYPATL NMAFDKVQDL RYGENPHQSA AFYRDLAAPA
     GALANYRQLQ GKELSYNNIA DSDAAWECVK TFDAPACVII KHANPCGVAV GNDSADAYAK
     AFQTDPTSAF GGIIAFNREV DEAAAQAVAK QFVEVLIAPS FSDAAKQVFA AKQNVRLLEI
     ALGDGHNAFD LKRVGGGLLV QSLDSKNVQP SELRVVTKRQ PSAKEMDDLL FAWRVAKYVK
     SNAIVFCGNG MTLGVGAGQM SRVDSARIAS IKAQNAGLTL AGSAVASDAF FPFRDGLDVV
     VAAGATCVIQ PGGSMRDDEV IAAADEHGIA MILTGVRHFR H