ID A0A0S8B197_9PROT Unreviewed; 519 AA.
AC A0A0S8B197;
DT 17-FEB-2016, integrated into UniProtKB/TrEMBL.
DT 17-FEB-2016, sequence version 1.
DT 08-NOV-2023, entry version 34.
DE RecName: Full=Bifunctional purine biosynthesis protein PurH {ECO:0000256|HAMAP-Rule:MF_00139};
DE Includes:
DE RecName: Full=Phosphoribosylaminoimidazolecarboxamide formyltransferase {ECO:0000256|HAMAP-Rule:MF_00139};
DE EC=2.1.2.3 {ECO:0000256|HAMAP-Rule:MF_00139};
DE AltName: Full=AICAR transformylase {ECO:0000256|HAMAP-Rule:MF_00139};
DE Includes:
DE RecName: Full=IMP cyclohydrolase {ECO:0000256|HAMAP-Rule:MF_00139};
DE EC=3.5.4.10 {ECO:0000256|HAMAP-Rule:MF_00139};
DE AltName: Full=ATIC {ECO:0000256|HAMAP-Rule:MF_00139};
DE AltName: Full=IMP synthase {ECO:0000256|HAMAP-Rule:MF_00139};
DE AltName: Full=Inosinicase {ECO:0000256|HAMAP-Rule:MF_00139};
GN Name=purH {ECO:0000256|HAMAP-Rule:MF_00139,
GN ECO:0000313|EMBL:KPK04555.1};
GN ORFNames=AMJ64_13340 {ECO:0000313|EMBL:KPK04555.1};
OS Betaproteobacteria bacterium SG8_39.
OC Bacteria; Pseudomonadota; Betaproteobacteria.
OX NCBI_TaxID=1703390 {ECO:0000313|EMBL:KPK04555.1, ECO:0000313|Proteomes:UP000051483};
RN [1] {ECO:0000313|EMBL:KPK04555.1, ECO:0000313|Proteomes:UP000051483}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SG8_39 {ECO:0000313|EMBL:KPK04555.1};
RX PubMed=25922666; DOI=10.1186/s40168-015-0077-6;
RA Baker B.J., Lazar C.S., Teske A.P., Dick G.J.;
RT "Genomic resolution of linkages in carbon, nitrogen, and sulfur cycling
RT among widespread estuary sediment bacteria.";
RL Microbiome 3:14-14(2015).
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:0000256|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:0000256|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:0000256|ARBA:ARBA00004954, ECO:0000256|HAMAP-
CC 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:0000256|ARBA:ARBA00004844, ECO:0000256|HAMAP-Rule:MF_00139}.
CC -!- DOMAIN: The IMP cyclohydrolase activity resides in the N-terminal
CC region. {ECO:0000256|HAMAP-Rule:MF_00139}.
CC -!- SIMILARITY: Belongs to the PurH family. {ECO:0000256|ARBA:ARBA00007667,
CC ECO:0000256|HAMAP-Rule:MF_00139}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KPK04555.1}.
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DR EMBL; LJTQ01000157; KPK04555.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0S8B197; -.
DR STRING; 1703390.AMJ64_13340; -.
DR PATRIC; fig|1703390.3.peg.709; -.
DR UniPathway; UPA00074; UER00133.
DR Proteomes; UP000051483; Unassembled WGS sequence.
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 {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00139};
KW Multifunctional enzyme {ECO:0000256|ARBA:ARBA00023268, ECO:0000256|HAMAP-
KW Rule:MF_00139};
KW Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW Rule:MF_00139};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00139}.
FT DOMAIN 1..147
FT /note="MGS-like"
FT /evidence="ECO:0000259|PROSITE:PS51855"
SQ SEQUENCE 519 AA; 55442 MW; A92638FC72C18C27 CRC64;
MKKAQRALIS VSDKAGIVDF ARALSALDIA ILSTGGTAKL LEKEGVAVTE VSEHTGFPEM
LDGRVKTLHP KIHGGLLARR DSPEHMNALR EAGIEPIDLV VVNLYPFQAT VADPDCRFED
AIENIDIGGP SMLRAAAKNH AGVAVVVDPA DYGRVLDELR ACGSVSDATR LALAKKVFAH
TAAYDGAIAN YLFSLDASGS RGEYPAVLNL QFHRLQTMRY GENPHQSAAF YRDERPVEGS
LASYRQLQGK DLSYNNVADA DAAWEAVKSF SEPACVIIKH ANPCGVAVGD QLLAAYQKAF
KTDPVSAFGG ILAFNRALDR ETAEAVGQQF AEVIIAPRVE LEAREVLAAK QNLRVLEVPI
SHAAQRHDYK RVGGGLLVQS TDAARLARED IKVVSKKAPG DAQWADLLFA WRVAKYVKSN
AIVFCGDGMT LGVGAGQMSR VDSARIASIK AQNAGLSLAG SVVASDAFFP FRDGLDVVVD
AGAVAVIQPG GSVRDAEVIA AADERGVAMV FTGMRHFRH
//
