ID PUR9_LISW6 Reviewed; 509 AA. AC A0AJL9; DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot. DT 28-NOV-2006, sequence version 1. DT 27-MAR-2024, entry version 91. 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=lwe1783; OS Listeria welshimeri serovar 6b (strain ATCC 35897 / DSM 20650 / CIP 8149 / OS NCTC 11857 / SLCC 5334 / V8). OC Bacteria; Bacillota; Bacilli; Bacillales; Listeriaceae; Listeria. OX NCBI_TaxID=386043; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 35897 / DSM 20650 / CIP 8149 / NCTC 11857 / SLCC 5334 / RC V8; RX PubMed=16936040; DOI=10.1128/jb.00758-06; RA Hain T., Steinweg C., Kuenne C.T., Billion A., Ghai R., Chatterjee S.S., RA Domann E., Kaerst U., Goesmann A., Bekel T., Bartels D., Kaiser O., RA Meyer F., Puehler A., Weisshaar B., Wehland J., Liang C., Dandekar T., RA Lampidis R., Kreft J., Goebel W., Chakraborty T.; RT "Whole-genome sequence of Listeria welshimeri reveals common steps in RT genome reduction with Listeria innocua as compared to Listeria RT monocytogenes."; RL J. Bacteriol. 188:7405-7415(2006). 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}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; AM263198; CAK21201.1; -; Genomic_DNA. DR AlphaFoldDB; A0AJL9; -. DR SMR; A0AJL9; -. DR STRING; 386043.lwe1783; -. DR KEGG; lwe:lwe1783; -. DR eggNOG; COG0138; Bacteria. DR HOGENOM; CLU_016316_5_2_9; -. DR OrthoDB; 9802065at2; -. DR UniPathway; UPA00074; UER00133. DR UniPathway; UPA00074; UER00135. DR Proteomes; UP000000779; 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 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..509 FT /note="Bifunctional purine biosynthesis protein PurH" FT /id="PRO_1000018907" FT DOMAIN 1..144 FT /note="MGS-like" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202" SQ SEQUENCE 509 AA; 54908 MW; 78829DB4085563B6 CRC64; MKRALISVSD KNGIVPFAEK LVELGVEIIS TGGTKATFEQ AGIPVTGIED VTKFPEMLDG RVKTLHPAIH GGLLARRDTA EHMEAIAAHD IEPIDLVVVN LYPFQETIQK PGVTLEEAIE NIDIGGPSML RSAAKNYAAV TVVVDAADYD TVLTELKEHG ATTFETRQRL AAKVFRHTAA YDAVIAEYLT KITGETFPEK VTFTYNRKQA LRYGENPHQD AAFYTEPVAL LNSISAAKQL HGKELSYNNI RDADAALKIA NEFTEPVAVA VKHMNPCGVG VGENIEEAYL KAYEADETSI FGGIVALNKE VDAKTAEHMS KIFLEIIIAP SFSEEAFTIL AKKKNIRLLT VPFAGSVESL EKTSVNGGLL IQASDSFVED SAGYEVVTEK QPTEAEMKAL LAQWKIVKHV KSNAIVVGSD KQTLGIGAGQ MNRIGSALIA LEQAGEKAKG AVLASDAFFP MDDTVEAAAK AGITAIIQPG GSIKDKESIA MADKYGISMV LTHVRHFKH //