ID PUR9_CUTAK Reviewed; 516 AA. AC Q6A6Y8; DT 05-FEB-2008, integrated into UniProtKB/Swiss-Prot. DT 13-SEP-2004, sequence version 1. DT 27-MAR-2024, entry version 118. 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=PPA1747; OS Cutibacterium acnes (strain DSM 16379 / KPA171202) (Propionibacterium OS acnes). OC Bacteria; Actinomycetota; Actinomycetes; Propionibacteriales; OC Propionibacteriaceae; Cutibacterium. OX NCBI_TaxID=267747; RN [1] RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=DSM 16379 / KPA171202; RX PubMed=15286373; DOI=10.1126/science.1100330; RA Brueggemann H., Henne A., Hoster F., Liesegang H., Wiezer A., RA Strittmatter A., Hujer S., Duerre P., Gottschalk G.; RT "The complete genome sequence of Propionibacterium acnes, a commensal of RT human skin."; RL Science 305:671-673(2004). 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; AE017283; AAT83476.1; -; Genomic_DNA. DR RefSeq; WP_002516039.1; NZ_CP025935.1. DR AlphaFoldDB; Q6A6Y8; -. DR SMR; Q6A6Y8; -. DR EnsemblBacteria; AAT83476; AAT83476; PPA1747. DR GeneID; 66621663; -. DR KEGG; pac:PPA1747; -. DR eggNOG; COG0138; Bacteria. DR HOGENOM; CLU_016316_5_2_11; -. DR UniPathway; UPA00074; UER00133. DR UniPathway; UPA00074; UER00135. DR Proteomes; UP000000603; 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..516 FT /note="Bifunctional purine biosynthesis protein PurH" FT /id="PRO_1000057904" FT DOMAIN 1..149 FT /note="MGS-like" FT /evidence="ECO:0000255|PROSITE-ProRule:PRU01202" SQ SEQUENCE 516 AA; 54992 MW; 0A766E14EAF82C21 CRC64; MSERQPIRRA LVSVYDKSGL DQLAKALIDA QVEVVSTGST AKELASHGVT VTEVSEITGF PECLDGRVKT LHPKVHAGIL ADRRLTSHRE QLTALEVKPF DLVVCNLYPF AETVAQGGDF DECIEKIDIG GPSMVRAAAK NHANVAVLTN PDQYEDLARA LSEGGYTMEE RRVLAARAFA HTAAYDVAVA TWFGSRDGVA VDGVPTFVGT TGELSHPLRY GENSHQAAAV YRSSGEPGLA GARQLHGKAM SYNNYVDTNS ARRAAFDFEA PCVAVIKHSN PCGIATGSDI AEAHRKAHAC DSLSAFGGVI ATNRPVSVEM AEQVAEIFTE VVVAPGYEDG AVEILSRKKN IRLLECPAPH LAGWELRQID GGLLAMETDL FQADGDDPAN WTLAAGDPVD DVTLADLSFA WRACRSVRSN AILLAHDGAS VGVGMGQVNR VDSCRLAVER AGDRAAGSVA ASDAFFPFAD GPQVLIDAHI AAIVEPGGSI RDDQTIEVCR TAGVPLYFTG TRHFFH //