ID PUR9_STAEQ Reviewed; 492 AA. AC Q5HQ97; DT 19-JUL-2005, integrated into UniProtKB/Swiss-Prot. DT 15-FEB-2005, 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=SERP0658; OS Staphylococcus epidermidis (strain ATCC 35984 / RP62A). OC Bacteria; Bacillota; Bacilli; Bacillales; Staphylococcaceae; OC Staphylococcus. OX NCBI_TaxID=176279; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=ATCC 35984 / RP62A; RX PubMed=15774886; DOI=10.1128/jb.187.7.2426-2438.2005; RA Gill S.R., Fouts D.E., Archer G.L., Mongodin E.F., DeBoy R.T., Ravel J., RA Paulsen I.T., Kolonay J.F., Brinkac L.M., Beanan M.J., Dodson R.J., RA Daugherty S.C., Madupu R., Angiuoli S.V., Durkin A.S., Haft D.H., RA Vamathevan J.J., Khouri H., Utterback T.R., Lee C., Dimitrov G., Jiang L., RA Qin H., Weidman J., Tran K., Kang K.H., Hance I.R., Nelson K.E., RA Fraser C.M.; RT "Insights on evolution of virulence and resistance from the complete genome RT analysis of an early methicillin-resistant Staphylococcus aureus strain and RT a biofilm-producing methicillin-resistant Staphylococcus epidermidis RT strain."; RL J. Bacteriol. 187:2426-2438(2005). 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; CP000029; AAW54011.1; -; Genomic_DNA. DR RefSeq; WP_002485342.1; NC_002976.3. DR AlphaFoldDB; Q5HQ97; -. DR SMR; Q5HQ97; -. DR STRING; 176279.SERP0658; -. DR GeneID; 50019089; -. DR KEGG; ser:SERP0658; -. DR eggNOG; COG0138; Bacteria. DR HOGENOM; CLU_016316_5_2_9; -. DR UniPathway; UPA00074; UER00133. DR UniPathway; UPA00074; UER00135. DR Proteomes; UP000000531; 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; Reference proteome; KW Transferase. FT CHAIN 1..492 FT /note="Bifunctional purine biosynthesis protein PurH" FT /id="PRO_0000192129" FT DOMAIN 1..144 FT /note="MGS-like" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202" SQ SEQUENCE 492 AA; 54587 MW; 7E4BAE8DF3E7E985 CRC64; MKKAILSVSN KSGIVEFAKA LTNLDYELYS TGGTKRVLED ANINIKSVSE LTQFPEIMDG RVKTLHPAVH GGILADRDKE HHLEQLREQH IDLIDMVVVN LYPFQQTVAQ PDVTETDAVE NIDIGGPTML RAAAKNFKHV TTIVHPSDYN EVIERIKNHQ LDEAYRKSLM VKVFQHTNEY DHAIVNYFKD NKETLRYGEN PQQSAYFVRT SDSKHTIAGA KQLHGKQLSF NNIKDADAAL SLVKKFNEPT AVAVKHMNPC GVGIGQSIDE AFQHAYEADN QSIFGGIIAL NRTVDVKLAE ALHSIFLEVV IAPQFTEEAL KILTQKKNIR LLQIDMTIDN AEQEFVSVSG GYLVQDKDNK DVTRNDMTVA TDTQPTEAQW EAMLLGWKVV SAVKSNAVIL SNNKQTVGIG AGQMNRVGSA KIAIERAIEI NDNVALVSDG FFPMGDTVEY AAEHGIKAII QPGGSIKDQD SIDMANKYGI TMVMTGMRHF KH //