PUR9_BRUA2
ID PUR9_BRUA2 Reviewed; 538 AA.
AC Q2YLH0;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 07-FEB-2006, sequence version 1.
DT 25-MAY-2022, entry version 86.
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=BAB1_1824;
OS Brucella abortus (strain 2308).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX NCBI_TaxID=359391;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=2308;
RX PubMed=16299333; DOI=10.1128/iai.73.12.8353-8361.2005;
RA Chain P.S., Comerci D.J., Tolmasky M.E., Larimer F.W., Malfatti S.A.,
RA Vergez L.M., Aguero F., Land M.L., Ugalde R.A., Garcia E.;
RT "Whole-genome analyses of speciation events in pathogenic Brucellae.";
RL Infect. Immun. 73:8353-8361(2005).
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; AM040264; CAJ11780.1; -; Genomic_DNA.
DR RefSeq; WP_002964894.1; NZ_KN046823.1.
DR AlphaFoldDB; Q2YLH0; -.
DR SMR; Q2YLH0; -.
DR STRING; 359391.BAB1_1824; -.
DR EnsemblBacteria; CAJ11780; CAJ11780; BAB1_1824.
DR GeneID; 3788876; -.
DR KEGG; bmf:BAB1_1824; -.
DR PATRIC; fig|359391.11.peg.337; -.
DR HOGENOM; CLU_016316_5_2_5; -.
DR OMA; WRVAKFV; -.
DR PhylomeDB; Q2YLH0; -.
DR UniPathway; UPA00074; UER00133.
DR UniPathway; UPA00074; UER00135.
DR PRO; PR:Q2YLH0; -.
DR Proteomes; UP000002719; 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 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; Reference proteome;
KW Transferase.
FT CHAIN 1..538
FT /note="Bifunctional purine biosynthesis protein PurH"
FT /id="PRO_1000018848"
FT DOMAIN 6..158
FT /note="MGS-like"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
SQ SEQUENCE 538 AA; 56453 MW; C85FEE82BB6B0A92 CRC64;
MAVSSKHIPA PDLHRVRRAL LSVSDKTGLI DFAKALHANG VEILSTGGTA KSIAAAGIPV
KDVSEITGFP EIMDGRVKTL HPAVHGGLLA VRNDPEHVAA MEEHGIGGID LAVINLYPFE
EVRFKGGDYD TTVENIDIGG PAMIRASAKN HAYVATVVDP ADYADVVAEL EKHSGSLPLA
FRKKLAAKAF SRTAAYDAAI SNWFAEAIDE ETPTYRAAAG 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
