ID PUR9_YERPY Reviewed; 529 AA. AC B1JJL6; DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot. DT 29-APR-2008, sequence version 1. DT 27-MAR-2024, entry version 79. 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=YPK_0357; OS Yersinia pseudotuberculosis serotype O:3 (strain YPIII). OC Bacteria; Pseudomonadota; Gammaproteobacteria; Enterobacterales; OC Yersiniaceae; Yersinia. OX NCBI_TaxID=502800; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=YPIII; RG US DOE Joint Genome Institute; RA Copeland A., Lucas S., Lapidus A., Glavina del Rio T., Dalin E., Tice H., RA Bruce D., Goodwin L., Pitluck S., Munk A.C., Brettin T., Detter J.C., RA Han C., Tapia R., Schmutz J., Larimer F., Land M., Hauser L., RA Challacombe J.F., Green L., Lindler L.E., Nikolich M.P., Richardson P.; RT "Complete sequence of Yersinia pseudotuberculosis YPIII."; RL Submitted (FEB-2008) to the EMBL/GenBank/DDBJ databases. 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; CP000950; ACA66667.1; -; Genomic_DNA. DR RefSeq; WP_011191559.1; NZ_CP009792.1. DR AlphaFoldDB; B1JJL6; -. DR SMR; B1JJL6; -. DR GeneID; 66843286; -. DR KEGG; ypy:YPK_0357; -. DR PATRIC; fig|502800.11.peg.961; -. 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 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..529 FT /note="Bifunctional purine biosynthesis protein PurH" FT /id="PRO_1000096113" FT DOMAIN 1..148 FT /note="MGS-like" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202" SQ SEQUENCE 529 AA; 57151 MW; EC937C8298C01705 CRC64; MQQRRPIRRA LLSVSDKAGI IEFAQALSQR GIELLSTGGT ARLLADAGLP VTEVSDYTGF PEMMDGRVKT LHPKVHGGIL GRRGQDDGIM AQHGIQPIDI VVVNLYPFAQ TVARPDCSLE DAVENIDIGG PTMVRSAAKN HKDVAIVVKS SDYPAIITEL DNNDGSLTYP TRFNLAIKAF EHTAAYDSMI ANYFGTLVPP YHGDTEQPSG HFPRTLNLNY IKKQDMRYGE NSHQQAAFYI EEDVKEASVA TAQQLQGKAL SYNNIADTDA ALECVKEFSE PACVIVKHAN PCGVAIGDSI LAAYERAYQT DPTSAFGGII AFNRELDAAT ANAIISRQFV EVIIAPTVSS DALALLAAKQ NVRVLTCGQW QARSAGLDFK RVNGGLLVQE RDLGMVTAAD LRVVSKRQPT EQELRDALFC WKVAKFVKSN AIVYARDNMT IGIGAGQMSR VYSAKIAGIK AADEGLEVAG SAMASDAFFP FRDGIDAAAA VGITCVIQPG GSIRDDEVIA AADEHGIAMI FTDMRHFRH //