ID PUR9_BACCZ Reviewed; 511 AA. AC Q63GS9; DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot. DT 25-OCT-2004, sequence version 1. DT 27-MAR-2024, entry version 106. 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=BCE33L0273; OS Bacillus cereus (strain ZK / E33L). OC Bacteria; Bacillota; Bacilli; Bacillales; Bacillaceae; Bacillus; OC Bacillus cereus group. OX NCBI_TaxID=288681; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ZK / E33L; RX PubMed=16621833; DOI=10.1128/jb.188.9.3382-3390.2006; RA Han C.S., Xie G., Challacombe J.F., Altherr M.R., Bhotika S.S., Bruce D., RA Campbell C.S., Campbell M.L., Chen J., Chertkov O., Cleland C., RA Dimitrijevic M., Doggett N.A., Fawcett J.J., Glavina T., Goodwin L.A., RA Hill K.K., Hitchcock P., Jackson P.J., Keim P., Kewalramani A.R., RA Longmire J., Lucas S., Malfatti S., McMurry K., Meincke L.J., Misra M., RA Moseman B.L., Mundt M., Munk A.C., Okinaka R.T., Parson-Quintana B., RA Reilly L.P., Richardson P., Robinson D.L., Rubin E., Saunders E., Tapia R., RA Tesmer J.G., Thayer N., Thompson L.S., Tice H., Ticknor L.O., Wills P.L., RA Brettin T.S., Gilna P.; RT "Pathogenomic sequence analysis of Bacillus cereus and Bacillus RT thuringiensis isolates closely related to Bacillus anthracis."; RL J. Bacteriol. 188:3382-3390(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; CP000001; AAU19967.1; -; Genomic_DNA. DR RefSeq; WP_000745422.1; NZ_CP009968.1. DR AlphaFoldDB; Q63GS9; -. DR SMR; Q63GS9; -. DR KEGG; bcz:BCE33L0273; -. DR PATRIC; fig|288681.22.peg.5337; -. DR UniPathway; UPA00074; UER00133. DR UniPathway; UPA00074; UER00135. DR Proteomes; UP000002612; 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..511 FT /note="Bifunctional purine biosynthesis protein PurH" FT /id="PRO_1000018841" FT DOMAIN 1..145 FT /note="MGS-like" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202" SQ SEQUENCE 511 AA; 55573 MW; 399313D9C57639BD CRC64; MKKRALVSVS DKTGVVEFVK GLLEQGIEVI STGGTKKLLE ENGLQVIGIS EVTGFPEIMD GRVKTLHPNI HGGLLAVRDN ETHVAQMNEL GMEPIDFVIV NLYPFKETIA KPDVTFADAI ENIDIGGPTM IRSAAKNHKF VSVIVDPVDY DVVLAELKVN GEVKEETKRK LAAKVFRHTA AYDALISNYL TEQMGEESPE TLTVTFEKKQ DLRYGENPHQ TATFYKAPFA VTSSVAYAEQ LHGKELSYNN INDADAALSI VKEFTEPAVV AVKHMNPCGV GVGTDIHEAY TRAYEADPVS IFGGIIAANR EIDKATAEKL HEIFLEIIIA PSFSKEALEV LQSKKNLRLL TVNIEKATSA SKKLTSVQGG LLVQEEDTLS LDESTISIPT KREPSEQEWK DLKLAWKVVK HVKSNAIVLA KDDMTIGVGA GQMNRVGSAK IAITQAGEKA QGSALASDAF FPMPDTLEEA AKAGITAIIQ PGGSIRDEDS IKVADTYGIA MVFTGVRHFK H //