PUR9_ECOBW
ID PUR9_ECOBW Reviewed; 529 AA.
AC C5A0U7;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 28-JUL-2009, sequence version 1.
DT 25-MAY-2022, entry version 66.
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=BWG_3666;
OS Escherichia coli (strain K12 / MC4100 / BW2952).
OC Bacteria; Proteobacteria; Gammaproteobacteria; Enterobacterales;
OC Enterobacteriaceae; Escherichia.
OX NCBI_TaxID=595496;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=K12 / MC4100 / BW2952;
RX PubMed=19376874; DOI=10.1128/jb.00118-09;
RA Ferenci T., Zhou Z., Betteridge T., Ren Y., Liu Y., Feng L., Reeves P.R.,
RA Wang L.;
RT "Genomic sequencing reveals regulatory mutations and recombinational events
RT in the widely used MC4100 lineage of Escherichia coli K-12.";
RL J. Bacteriol. 191:4025-4029(2009).
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; CP001396; ACR63197.1; -; Genomic_DNA.
DR RefSeq; WP_001187559.1; NC_012759.1.
DR AlphaFoldDB; C5A0U7; -.
DR SMR; C5A0U7; -.
DR KEGG; ebw:BWG_3666; -.
DR HOGENOM; CLU_016316_5_2_6; -.
DR OMA; WRVAKFV; -.
DR UniPathway; UPA00074; UER00133.
DR UniPathway; UPA00074; UER00135.
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_1000203249"
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; 57329 MW; DC034ED01915DA68 CRC64;
MQQRRPVRRA LLSVSDKAGI VEFAQALSAR GVELLSTGGT ARLLAEKGLP VTEVSDYTGF
PEMMDGRVKT LHPKVHGGIL GRRGQDDAIM EEHQIQPIDM VVVNLYPFAQ TVAREGCSLE
DAVENIDIGG PTMVRSAAKN HKDVAIVVKS SDYDAIIKEM DDNEGSLTLA TRFDLAIKAF
EHTAAYDSMI ANYFGSMVPA YHGESKEAAG RFPRTLNLNF IKKLDMRYGE NSHQQAAFYI
EENVKEASVA TATQVQGKAL SYNNIADTDA ALECVKEFAE PACVIVKHAN PCGVAIGNSI
LDAYDRAYKT DPTSAFGGII AFNRELDAET AQAIISRQFV EVIIAPSASE EALKITAAKQ
NVRVLTCGQW GERVPGLDFK RVNGGLLVQD RDLGMVGAEE LRVVTKRQPS EQELRDALFC
WKVAKFVKSN AIVYAKNNMT IGIGAGQMSR VYSAKIAGIK AADEGLEVKG SSMASDAFFP
FRDGIDAAAA AGVTCVIQPG GSIRDDEVIA AADEHGIAML FTDMRHFRH
