ID A4C787_9GAMM Unreviewed; 530 AA.
AC A4C787;
DT 03-APR-2007, integrated into UniProtKB/TrEMBL.
DT 03-APR-2007, sequence version 1.
DT 08-NOV-2023, entry version 84.
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:EAR29841.1};
GN ORFNames=PTD2_13514 {ECO:0000313|EMBL:EAR29841.1};
OS Pseudoalteromonas tunicata D2.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Alteromonadales;
OC Pseudoalteromonadaceae; Pseudoalteromonas.
OX NCBI_TaxID=87626 {ECO:0000313|EMBL:EAR29841.1, ECO:0000313|Proteomes:UP000006201};
RN [1] {ECO:0000313|EMBL:EAR29841.1, ECO:0000313|Proteomes:UP000006201}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=D2 {ECO:0000313|EMBL:EAR29841.1,
RC ECO:0000313|Proteomes:UP000006201};
RA Moran M.A., Kjelleberg S., Egan S., Saunders N., Thomas T., Ferriera S.,
RA Johnson J., Kravitz S., Halpern A., Remington K., Beeson K., Tran B.,
RA Rogers Y.-H., Friedman R., Venter J.C.;
RL Submitted (FEB-2006) 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: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:EAR29841.1}.
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DR EMBL; AAOH01000002; EAR29841.1; -; Genomic_DNA.
DR RefSeq; WP_009837714.1; NZ_AAOH01000002.1.
DR AlphaFoldDB; A4C787; -.
DR STRING; 87626.PTD2_13514; -.
DR eggNOG; COG0138; Bacteria.
DR HOGENOM; CLU_016316_5_2_6; -.
DR OrthoDB; 9802065at2; -.
DR UniPathway; UPA00074; UER00133.
DR Proteomes; UP000006201; 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 2..148
FT /note="MGS-like"
FT /evidence="ECO:0000259|PROSITE:PS51855"
SQ SEQUENCE 530 AA; 57106 MW; 60850E01C7FF575A CRC64;
MDTLRPIRRA LLSVSDKTGI VEFARALAAK GVDILSTGGT CKLLADNGIQ VTEVSDYTGH
PEIMDGRVKT LHPKIHGGIL ARRGTDEAVM AQNNISEIDM VVVNLYPFAA TVAKEGCSLE
DAIENIDIGG PTMVRAAAKN NKDVTIIVNA DDYSRVIAEM DANNGATTYQ TRFDLAIAAF
EHTAQYDGMI ANYFGTKVPD YSENAAEHPD SAFPRTINFQ FKKKQDMRYG ENSHQNAAFY
VENDIVEASV ATAKQLQGKA LSYNNIADTD AALECVKEFV EPACVIVKHA NPCGVSVGAN
ILAAYERAFK TDPTSAFGGI IAFNQELDAD TAEAIVSRQF VEVIIAPSVS EEAAQIVAAK
QNVRLLECGQ WSAKTSGLDI KRVNGGILVQ DRDLGMVTQG DLKVVSKRQP TEQELNDLMF
SWKVAKFVKS NAIIYARDGM TIGVGAGQMS RVYSAKIAGI KAADENLEVK GSVMASDAFF
PFRDGIDAAA NAGITAVIQP GGSMRDDEVI AAADEHGMAM VFTGMRHFRH
//
