ID   PUR9_BRUSU              Reviewed;         538 AA.
AC   P67540; G0K7F2; Q8FYP8; Q8YJ53;
DT   11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2004, sequence version 1.
DT   27-MAR-2024, entry version 100.
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=BR1816, BS1330_I1810;
OS   Brucella suis biovar 1 (strain 1330).
OC   Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC   Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX   NCBI_TaxID=204722;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1330;
RX   PubMed=12271122; DOI=10.1073/pnas.192319099;
RA   Paulsen I.T., Seshadri R., Nelson K.E., Eisen J.A., Heidelberg J.F.,
RA   Read T.D., Dodson R.J., Umayam L.A., Brinkac L.M., Beanan M.J.,
RA   Daugherty S.C., DeBoy R.T., Durkin A.S., Kolonay J.F., Madupu R.,
RA   Nelson W.C., Ayodeji B., Kraul M., Shetty J., Malek J.A., Van Aken S.E.,
RA   Riedmuller S., Tettelin H., Gill S.R., White O., Salzberg S.L.,
RA   Hoover D.L., Lindler L.E., Halling S.M., Boyle S.M., Fraser C.M.;
RT   "The Brucella suis genome reveals fundamental similarities between animal
RT   and plant pathogens and symbionts.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:13148-13153(2002).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=1330;
RX   PubMed=22038969; DOI=10.1128/jb.06181-11;
RA   Tae H., Shallom S., Settlage R., Preston D., Adams L.G., Garner H.R.;
RT   "Revised genome sequence of Brucella suis 1330.";
RL   J. Bacteriol. 193:6410-6410(2011).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(6R)-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:58467,
CC         ChEBI:CHEBI:58475, ChEBI:CHEBI:195366; 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; AE014291; AAN30711.1; -; Genomic_DNA.
DR   EMBL; CP002997; AEM19128.1; -; Genomic_DNA.
DR   RefSeq; WP_004684287.1; NZ_KN046804.1.
DR   AlphaFoldDB; P67540; -.
DR   SMR; P67540; -.
DR   GeneID; 58775195; -.
DR   KEGG; bms:BR1816; -.
DR   KEGG; bsi:BS1330_I1810; -.
DR   PATRIC; fig|204722.21.peg.1161; -.
DR   HOGENOM; CLU_016316_5_2_5; -.
DR   PhylomeDB; P67540; -.
DR   UniPathway; UPA00074; UER00133.
DR   UniPathway; UPA00074; UER00135.
DR   PRO; PR:P67540; -.
DR   Proteomes; UP000007104; Chromosome I.
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   CDD; cd01421; IMPCH; 1.
DR   Gene3D; 3.40.140.20; -; 2.
DR   Gene3D; 3.40.50.1380; Methylglyoxal synthase-like domain; 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   NCBIfam; TIGR00355; purH; 1.
DR   PANTHER; PTHR11692:SF0; BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN ATIC; 1.
DR   PANTHER; PTHR11692; BIFUNCTIONAL PURINE BIOSYNTHESIS PROTEIN PURH; 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; SSF53927; Cytidine deaminase-like; 1.
DR   SUPFAM; SSF52335; Methylglyoxal synthase-like; 1.
DR   PROSITE; PS51855; MGS; 1.
PE   3: Inferred from homology;
KW   Hydrolase; Multifunctional enzyme; Purine biosynthesis; Transferase.
FT   CHAIN           1..538
FT                   /note="Bifunctional purine biosynthesis protein PurH"
FT                   /id="PRO_0000192075"
FT   DOMAIN          6..158
FT                   /note="MGS-like"
FT                   /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
SQ   SEQUENCE   538 AA;  56481 MW;  099349D5160AC19F CRC64;
     MAVSSKHIPA PDLHRVRRAL LSVSDKTGLI DFAKALHANG VEILSTGGTA KSIAAAGIPV
     KDVSEITGFP EIMDGRVKTL HPAVHGGLLA VRNDPEHVAA MEEHGIGGID LAVINLYPFE
     EVRFKGGDYD TTVENIDIGG PAMIRASAKN HAYVATVVDP ADYADVVAEL EKHSGSLPLA
     FRKKLAAKAF SRTAAYDAAI SNWFAEAIDE ETPTYRAVAG KLHSVMRYGE NPHQTAGFYL
     TGEKRPGVAT ATQLQGKQLS YNNINDTDAA FELVAEFDPA RTAAVAIIKH ANPCGVAEAS
     TIKEAYLKAL ACDPVSAFGG IVALNRTLDE EAAEEIVKTF TEVIIAPDAT EGAQAIVAAK
     KNLRLLVTGG LPDPRAKGIA AKTVAGGLLV QSRDNGVVDD LDLKVVTKRA PTEAELNDLK
     FAFRVGKHVK SNAIVYVKDG ATVGIGAGQM SRVDSARIAA RKAEDAAEAA GLAAPLTKGC
     VVASDAFFPF ADGLLSAVEA GATAVIQPGG SMRDDEVIAA ADEHGIAMVM TGMRHFRH
//