ID A0A239TDT1_9FIRM Unreviewed; 502 AA.
AC A0A239TDT1;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 18.
DE SubName: Full=Inosine-5'-monophosphate dehydrogenase {ECO:0000313|EMBL:SNU95851.1};
DE EC=1.1.1.205 {ECO:0000313|EMBL:SNU95851.1};
GN Name=guaB_2 {ECO:0000313|EMBL:SNU95851.1};
GN ORFNames=SAMEA4364220_00489 {ECO:0000313|EMBL:SNU95851.1};
OS Megamonas hypermegale.
OC Bacteria; Bacillota; Negativicutes; Selenomonadales; Selenomonadaceae;
OC Megamonas.
OX NCBI_TaxID=158847 {ECO:0000313|EMBL:SNU95851.1, ECO:0000313|Proteomes:UP000215383};
RN [1] {ECO:0000313|EMBL:SNU95851.1, ECO:0000313|Proteomes:UP000215383}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=NCTC10570 {ECO:0000313|EMBL:SNU95851.1,
RC ECO:0000313|Proteomes:UP000215383};
RG Pathogen Informatics;
RL Submitted (JUN-2017) to the EMBL/GenBank/DDBJ databases.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=H2O + IMP + NAD(+) = H(+) + NADH + XMP; Xref=Rhea:RHEA:11708,
CC ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:57464,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:58053;
CC EC=1.1.1.205; Evidence={ECO:0000256|ARBA:ARBA00024264};
CC -!- COFACTOR:
CC Name=K(+); Xref=ChEBI:CHEBI:29103;
CC Evidence={ECO:0000256|ARBA:ARBA00001958};
CC -!- SIMILARITY: Belongs to the IMPDH/GMPR family.
CC {ECO:0000256|ARBA:ARBA00005502}.
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DR EMBL; LT906446; SNU95851.1; -; Genomic_DNA.
DR RefSeq; WP_027889310.1; NZ_NFIW01000003.1.
DR AlphaFoldDB; A0A239TDT1; -.
DR GeneID; 78506522; -.
DR eggNOG; COG0516; Bacteria.
DR eggNOG; COG0517; Bacteria.
DR OrthoDB; 9805398at2; -.
DR Proteomes; UP000215383; Chromosome 1.
DR GO; GO:0003938; F:IMP dehydrogenase activity; IEA:UniProtKB-EC.
DR GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR GO; GO:0006177; P:GMP biosynthetic process; IEA:UniProtKB-KW.
DR CDD; cd04601; CBS_pair_IMPDH; 1.
DR CDD; cd00381; IMPDH; 1.
DR Gene3D; 3.20.20.70; Aldolase class I; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR000644; CBS_dom.
DR InterPro; IPR046342; CBS_dom_sf.
DR InterPro; IPR005990; IMP_DH.
DR InterPro; IPR015875; IMP_DH/GMP_Rdtase_CS.
DR InterPro; IPR001093; IMP_DH_GMPRt.
DR PANTHER; PTHR11911:SF111; INOSINE-5'-MONOPHOSPHATE DEHYDROGENASE; 1.
DR PANTHER; PTHR11911; INOSINE-5-MONOPHOSPHATE DEHYDROGENASE RELATED; 1.
DR Pfam; PF00571; CBS; 1.
DR Pfam; PF00478; IMPDH; 1.
DR PIRSF; PIRSF000130; IMPDH; 1.
DR SMART; SM01240; IMPDH; 1.
DR SUPFAM; SSF54631; CBS-domain pair; 1.
DR SUPFAM; SSF51412; Inosine monophosphate dehydrogenase (IMPDH); 1.
DR PROSITE; PS51371; CBS; 2.
DR PROSITE; PS00487; IMP_DH_GMP_RED; 1.
PE 3: Inferred from homology;
KW CBS domain {ECO:0000256|ARBA:ARBA00023122, ECO:0000256|PROSITE-
KW ProRule:PRU00703}; GMP biosynthesis {ECO:0000256|ARBA:ARBA00022749};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|PIRSR:PIRSR000130-3};
KW Oxidoreductase {ECO:0000313|EMBL:SNU95851.1};
KW Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|PIRSR:PIRSR000130-4};
KW Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755};
KW Reference proteome {ECO:0000313|Proteomes:UP000215383}.
FT DOMAIN 103..163
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
FT DOMAIN 167..226
FT /note="CBS"
FT /evidence="ECO:0000259|PROSITE:PS51371"
FT BINDING 262..264
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-3"
FT BINDING 313..315
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-3"
FT BINDING 315
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /ligand_note="ligand shared between two tetrameric
FT partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-4"
FT BINDING 317
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /ligand_note="ligand shared between two tetrameric
FT partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-4"
FT BINDING 320
FT /ligand="K(+)"
FT /ligand_id="ChEBI:CHEBI:29103"
FT /ligand_note="ligand shared between two tetrameric
FT partners"
FT /note="in other chain"
FT /evidence="ECO:0000256|PIRSR:PIRSR000130-4"
SQ SEQUENCE 502 AA; 55605 MW; B60B86B9BEFF6ADB CRC64;
MAYYFKEASH TFGEYLLVPG YSSDKCIPAN VSLRTPLVKF AKGEEPKISL NIPMTSAIMQ
AVSNDTMAIA LAKEGGISFI YGSQTIEEQA AMVSRVKNYK SGFVSSDSNI MPSTTLGEVL
ALKQKTGHST MAVTEDGTPT GKLVGIVTSR DYRISRMTLD TKVETFMTPF SKLIYADAET
TTLSMANDLI WQHKLNMLPL VDKNQRLRYM VFRKDYTDNK EHSLELTDKN KRYLVGAGIN
TRDYAERVPA LLKAGADVLC IDSSEGFSEW QRITLKYIHE NFGEDVKVGA GNVVDKEGFR
FLAEAGADFI KVGIGGGSIC ITRETKGIGR GQATAVIDVA EARDEYYKET GIYIPICSDG
GIVHDYHMTL ALAMGADFLM LGRYFSRFDE SPTNKVRING TYLKEYWGEG SNRARNWQRY
DLGGDKKLSF EEGVDSYVPY AGPLHDNVML SLSKMRSTMC NCGSLNLAEF RDKAKLTLVS
ATSIVEGGSH DVILKDKFRG ND
//
