ID K6VKI1_9MICO Unreviewed; 615 AA.
AC K6VKI1;
DT 09-JAN-2013, integrated into UniProtKB/TrEMBL.
DT 09-JAN-2013, sequence version 1.
DT 24-JAN-2024, entry version 52.
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:GAB96728.1};
GN ORFNames=KILIM_046_00120 {ECO:0000313|EMBL:GAB96728.1};
OS Kineosphaera limosa NBRC 100340.
OC Bacteria; Actinomycetota; Actinomycetes; Micrococcales; Dermatophilaceae;
OC Kineosphaera.
OX NCBI_TaxID=1184609 {ECO:0000313|EMBL:GAB96728.1, ECO:0000313|Proteomes:UP000008366};
RN [1] {ECO:0000313|EMBL:GAB96728.1, ECO:0000313|Proteomes:UP000008366}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NBRC 100340 {ECO:0000313|EMBL:GAB96728.1,
RC ECO:0000313|Proteomes:UP000008366};
RA Yoshida I., Isaki S., Hosoyama A., Tsuchikane K., Katsumata H., Ando Y.,
RA Ohji S., Hamada M., Tamura T., Yamazoe A., Yamazaki S., Fujita N.;
RT "Whole genome shotgun sequence of Kineosphaera limosa NBRC 100340.";
RL Submitted (AUG-2012) 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:GAB96728.1}.
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DR EMBL; BAHD01000046; GAB96728.1; -; Genomic_DNA.
DR AlphaFoldDB; K6VKI1; -.
DR STRING; 1184609.KILIM_046_00120; -.
DR eggNOG; COG0138; Bacteria.
DR UniPathway; UPA00074; UER00133.
DR Proteomes; UP000008366; 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 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}; Reference proteome {ECO:0000313|Proteomes:UP000008366};
KW Transferase {ECO:0000256|ARBA:ARBA00022679, ECO:0000256|HAMAP-
KW Rule:MF_00139}.
FT DOMAIN 78..230
FT /note="MGS-like"
FT /evidence="ECO:0000259|PROSITE:PS51855"
FT REGION 1..20
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 58..86
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COMPBIAS 72..86
FT /note="Basic and acidic residues"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
SQ SEQUENCE 615 AA; 64119 MW; 85F6B830B2932F7E CRC64;
MQQQPWAVSA TVGIRTSSGQ RSAQLVDLGA EGARPGGCNR LGGPAWVPAH ADHRSPLVTT
EPSVSASDEG HRPDAQGGRA ADEGRRPVRR ALVSVFDKSG LAELVTGLHE AGVELVSTGG
SAKAIADLGL PVTRVEDLTG FPECLEGRVK TLHPRVHAGL LADTRKPEHL SQLDELGVEA
FELVAVNLYP FTQTVASGAG PDECVEQIDI GGPSMVRAAA KNHPSVAVLT SPDQYGQALE
AVASGGFTLA QRQALAAAAF VHTATYDVAV ASWMGNVLTD TSGGSGFPQW MGATYNRLAG
LRYGENPHQR AALYSAANGA PGLGRAEQLH GKEMSYNNYV DADAAYRAAY DHGDQPTVAI
IKHANPCGIA VGTDVADAHA KAHACDPLSA FGGVIATNRP VTAAMAETVK DIFTEVIVAP
GFDDDALRVL TAKKNLRLLV VQPPRPGGFE TRSIAGGLLV QERDRIDAVI EPGDDDKPTA
GYGDRPLHWT LVAGPSVDDQ TLVDLDFAWK AVRATKSNAI LLAKGAASVG IGMGQVNRVD
SCKLAVARAG EERAQGSVAA SDAFFPFADG PGILIDAGVK AIVAPGGSMR DDETIRACEA
AGVSLYFTGI RHFAH
//