PUR9_ECOL5
ID PUR9_ECOL5 Reviewed; 529 AA.
AC Q0TA59;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 05-SEP-2006, sequence version 1.
DT 25-MAY-2022, entry version 96.
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=ECP_4219;
OS Escherichia coli O6:K15:H31 (strain 536 / UPEC).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=362663;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=536 / UPEC;
RX PubMed=16879640; DOI=10.1111/j.1365-2958.2006.05255.x;
RA Hochhut B., Wilde C., Balling G., Middendorf B., Dobrindt U.,
RA Brzuszkiewicz E., Gottschalk G., Carniel E., Hacker J.;
RT "Role of pathogenicity island-associated integrases in the genome
RT plasticity of uropathogenic Escherichia coli strain 536.";
RL Mol. Microbiol. 61:584-595(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; CP000247; ABG72170.1; -; Genomic_DNA.
DR RefSeq; WP_001187580.1; NC_008253.1.
DR AlphaFoldDB; Q0TA59; -.
DR SMR; Q0TA59; -.
DR STRING; 362663.ECP_4219; -.
DR EnsemblBacteria; ABG72170; ABG72170; ECP_4219.
DR KEGG; ecp:ECP_4219; -.
DR HOGENOM; CLU_016316_5_2_6; -.
DR OMA; WRVAKFV; -.
DR UniPathway; UPA00074; UER00133.
DR UniPathway; UPA00074; UER00135.
DR Proteomes; UP000009182; 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 Acetylation; Hydrolase; Multifunctional enzyme; Purine biosynthesis;
KW Transferase.
FT CHAIN 1..529
FT /note="Bifunctional purine biosynthesis protein PurH"
FT /id="PRO_1000018887"
FT DOMAIN 1..148
FT /note="MGS-like"
FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202"
FT MOD_RES 287
FT /note="N6-acetyllysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00139"
SQ SEQUENCE 529 AA; 57341 MW; B724BCB7AFC99A47 CRC64;
MQQRRPVRRA LLSVSDKAGI VEFAQALSAR GVELLSTGGT ARLLAEKGLP VTEVSDYTGF
PEMMDGRVKT LHPKVHGGIL GRRGQDDAIM EEHQIQPIDM VVVNLYPFAQ TVAREGCSLE
DAVENIDIGG PTMVRSAAKN HRDVAIVVKS SDYDAIIKEM DANEGSLTLA TRFNLAIKAF
EHTAAYDSMI ANYFGSMVPA YHGESKEAAG RFPRTLNLNF IKKQDMRYGE NSHQQAAFYI
EENVKEASVA TATQVQGKAL SYNNIADTDA ALECVKEFAE PACVIVKHAN PCGVAVSNSI
LDAYDRAYKT DPTSAFGGII AFNRELDAET AQAIISRQFV EVIIAPSASE EALKITAAKQ
NVRVLICGQW GERAPGLDFK RVNGGLLVQD RDLGMVGAEE LRVVTKRQPT EQELRDALFC
WKVAKFVKSN AIVYAKNNMT IGIGAGQMSR VYSAKIAGIK AADEGLEVKG SSMASDAFFP
FRDGIDAAAA AGVTCVIQPG GSIRDDEVIA AADEHGIAML FTDMRHFRH
