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Database: UniProt
Entry: F9DV58_9BACL
LinkDB: F9DV58_9BACL
Original site: F9DV58_9BACL 
ID   F9DV58_9BACL            Unreviewed;       488 AA.
AC   F9DV58;
DT   19-OCT-2011, integrated into UniProtKB/TrEMBL.
DT   19-OCT-2011, sequence version 1.
DT   24-JAN-2024, entry version 62.
DE   RecName: Full=Inosine-5'-monophosphate dehydrogenase {ECO:0000256|HAMAP-Rule:MF_01964, ECO:0000256|RuleBase:RU003928};
DE            Short=IMP dehydrogenase {ECO:0000256|HAMAP-Rule:MF_01964};
DE            Short=IMPD {ECO:0000256|HAMAP-Rule:MF_01964};
DE            Short=IMPDH {ECO:0000256|HAMAP-Rule:MF_01964};
DE            EC=1.1.1.205 {ECO:0000256|HAMAP-Rule:MF_01964, ECO:0000256|RuleBase:RU003928};
GN   Name=guaB {ECO:0000256|HAMAP-Rule:MF_01964,
GN   ECO:0000313|EMBL:EGQ23211.1};
GN   ORFNames=HMPREF9372_2689 {ECO:0000313|EMBL:EGQ23211.1};
OS   Sporosarcina newyorkensis 2681.
OC   Bacteria; Bacillota; Bacilli; Bacillales; Planococcaceae; Sporosarcina.
OX   NCBI_TaxID=1027292 {ECO:0000313|EMBL:EGQ23211.1, ECO:0000313|Proteomes:UP000005316};
RN   [1] {ECO:0000313|EMBL:EGQ23211.1, ECO:0000313|Proteomes:UP000005316}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=2681 {ECO:0000313|EMBL:EGQ23211.1,
RC   ECO:0000313|Proteomes:UP000005316};
RA   Muzny D., Qin X., Deng J., Jiang H., Liu Y., Qu J., Song X.-Z., Zhang L.,
RA   Thornton R., Coyle M., Francisco L., Jackson L., Javaid M., Korchina V.,
RA   Kovar C., Mata R., Mathew T., Ngo R., Nguyen L., Nguyen N., Okwuonu G.,
RA   Ongeri F., Pham C., Simmons D., Wilczek-Boney K., Hale W., Jakkamsetti A.,
RA   Pham P., Ruth R., San Lucas F., Warren J., Zhang J., Zhao Z., Zhou C.,
RA   Zhu D., Lee S., Bess C., Blankenburg K., Forbes L., Fu Q., Gubbala S.,
RA   Hirani K., Jayaseelan J.C., Lara F., Munidasa M., Palculict T., Patil S.,
RA   Pu L.-L., Saada N., Tang L., Weissenberger G., Zhu Y., Hemphill L.,
RA   Shang Y., Youmans B., Ayvaz T., Ross M., Santibanez J., Aqrawi P.,
RA   Gross S., Joshi V., Fowler G., Nazareth L., Reid J., Worley K.,
RA   Petrosino J., Highlander S., Gibbs R.;
RL   Submitted (APR-2011) to the EMBL/GenBank/DDBJ databases.
CC   -!- FUNCTION: Catalyzes the conversion of inosine 5'-phosphate (IMP) to
CC       xanthosine 5'-phosphate (XMP), the first committed and rate-limiting
CC       step in the de novo synthesis of guanine nucleotides, and therefore
CC       plays an important role in the regulation of cell growth.
CC       {ECO:0000256|HAMAP-Rule:MF_01964}.
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         ECO:0000256|HAMAP-Rule:MF_01964, ECO:0000256|RuleBase:RU003928};
CC   -!- COFACTOR:
CC       Name=K(+); Xref=ChEBI:CHEBI:29103;
CC         Evidence={ECO:0000256|ARBA:ARBA00001958,
CC         ECO:0000256|HAMAP-Rule:MF_01964};
CC   -!- ACTIVITY REGULATION: Mycophenolic acid (MPA) is a non-competitive
CC       inhibitor that prevents formation of the closed enzyme conformation by
CC       binding to the same site as the amobile flap. In contrast, mizoribine
CC       monophosphate (MZP) is a competitive inhibitor that induces the closed
CC       conformation. MPA is a potent inhibitor of mammalian IMPDHs but a poor
CC       inhibitor of the bacterial enzymes. MZP is a more potent inhibitor of
CC       bacterial IMPDH. {ECO:0000256|HAMAP-Rule:MF_01964}.
CC   -!- PATHWAY: Purine metabolism; XMP biosynthesis via de novo pathway; XMP
CC       from IMP: step 1/1. {ECO:0000256|HAMAP-Rule:MF_01964,
CC       ECO:0000256|RuleBase:RU003928}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000256|HAMAP-Rule:MF_01964}.
CC   -!- SIMILARITY: Belongs to the IMPDH/GMPR family.
CC       {ECO:0000256|ARBA:ARBA00005502, ECO:0000256|HAMAP-Rule:MF_01964,
CC       ECO:0000256|RuleBase:RU003927}.
CC   -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC       feature annotation. {ECO:0000256|HAMAP-Rule:MF_01964}.
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:EGQ23211.1}.
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DR   EMBL; AFPZ01000085; EGQ23211.1; -; Genomic_DNA.
DR   RefSeq; WP_009499378.1; NZ_GL982999.1.
DR   AlphaFoldDB; F9DV58; -.
DR   STRING; 759851.SAMN04244570_0420; -.
DR   eggNOG; COG0516; Bacteria.
DR   eggNOG; COG0517; Bacteria.
DR   HOGENOM; CLU_022552_1_0_9; -.
DR   OrthoDB; 9805398at2; -.
DR   UniPathway; UPA00601; UER00295.
DR   Proteomes; UP000005316; Unassembled WGS sequence.
DR   GO; GO:0003938; F:IMP dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006177; P:GMP biosynthetic process; IEA:UniProtKB-UniRule.
DR   CDD; cd04601; CBS_pair_IMPDH; 1.
DR   CDD; cd00381; IMPDH; 1.
DR   Gene3D; 3.20.20.70; Aldolase class I; 1.
DR   HAMAP; MF_01964; IMPDH; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR000644; CBS_dom.
DR   InterPro; IPR005990; IMP_DH.
DR   InterPro; IPR015875; IMP_DH/GMP_Rdtase_CS.
DR   InterPro; IPR001093; IMP_DH_GMPRt.
DR   NCBIfam; TIGR01302; IMP_dehydrog; 1.
DR   PANTHER; PTHR11911:SF111; INOSINE-5'-MONOPHOSPHATE DEHYDROGENASE; 1.
DR   PANTHER; PTHR11911; INOSINE-5-MONOPHOSPHATE DEHYDROGENASE RELATED; 1.
DR   Pfam; PF00571; CBS; 2.
DR   Pfam; PF00478; IMPDH; 1.
DR   PIRSF; PIRSF000130; IMPDH; 1.
DR   SMART; SM00116; CBS; 2.
DR   SMART; SM01240; IMPDH; 1.
DR   SUPFAM; SSF51412; Inosine monophosphate dehydrogenase (IMPDH); 2.
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};
KW   GMP biosynthesis {ECO:0000256|ARBA:ARBA00022749, ECO:0000256|HAMAP-
KW   Rule:MF_01964};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW   Rule:MF_01964};
KW   NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_01964};
KW   Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_01964,
KW   ECO:0000256|RuleBase:RU003927};
KW   Potassium {ECO:0000256|ARBA:ARBA00022958, ECO:0000256|HAMAP-Rule:MF_01964};
KW   Purine biosynthesis {ECO:0000256|ARBA:ARBA00022755, ECO:0000256|HAMAP-
KW   Rule:MF_01964}.
FT   DOMAIN          95..155
FT                   /note="CBS"
FT                   /evidence="ECO:0000259|PROSITE:PS51371"
FT   DOMAIN          157..214
FT                   /note="CBS"
FT                   /evidence="ECO:0000259|PROSITE:PS51371"
FT   REGION          469..488
FT                   /note="Disordered"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   COMPBIAS        470..488
FT                   /note="Polar residues"
FT                   /evidence="ECO:0000256|SAM:MobiDB-lite"
FT   ACT_SITE        308
FT                   /note="Thioimidate intermediate"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-1"
FT   ACT_SITE        404
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-1"
FT   BINDING         251..253
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|PIRSR:PIRSR000130-3"
FT   BINDING         251
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964"
FT   BINDING         301..303
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-3"
FT   BINDING         303
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|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-4"
FT   BINDING         305
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|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-4"
FT   BINDING         306
FT                   /ligand="IMP"
FT                   /ligand_id="ChEBI:CHEBI:58053"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-2"
FT   BINDING         308
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|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-4"
FT   BINDING         341..343
FT                   /ligand="IMP"
FT                   /ligand_id="ChEBI:CHEBI:58053"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-2"
FT   BINDING         364..365
FT                   /ligand="IMP"
FT                   /ligand_id="ChEBI:CHEBI:58053"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-2"
FT   BINDING         388..392
FT                   /ligand="IMP"
FT                   /ligand_id="ChEBI:CHEBI:58053"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-2"
FT   BINDING         416
FT                   /ligand="IMP"
FT                   /ligand_id="ChEBI:CHEBI:58053"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964,
FT                   ECO:0000256|PIRSR:PIRSR000130-2"
FT   BINDING         470
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /ligand_note="ligand shared between two tetrameric
FT                   partners"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964"
FT   BINDING         471
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /ligand_note="ligand shared between two tetrameric
FT                   partners"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964"
FT   BINDING         472
FT                   /ligand="K(+)"
FT                   /ligand_id="ChEBI:CHEBI:29103"
FT                   /ligand_note="ligand shared between two tetrameric
FT                   partners"
FT                   /evidence="ECO:0000256|HAMAP-Rule:MF_01964"
SQ   SEQUENCE   488 AA;  52705 MW;  05D9AC8AB7F38C37 CRC64;
     MWESKFSREG LTFDDVLLVP AASDVLPKDV SLAVSLTDTI KLNIPIISAG MDTVTESKMA
     ISMARQGGVG IIHKNMSIEE QAEQVVTVKR SENGVIKNPF FLTPEHQVFD AEHLMGKYRI
     SGVPIVNNME EKKLVGILTN RDLRFIQDYS MLIDEVMTKE NLVTAPVGTT LEEAEKILQQ
     YKIEKLPIVD EKGILNGLIT IKDIEKVIEF PSAAKDQAGR LLVGAAVGVT VDTSTRVEKL
     VQAEVDLIVI DTAHGHSKGV IDTVREIRAN YPQLAIVAGN VATAEAAEAL YEAGADVVKV
     GIGPGSICTT RVVAGVGVPQ ITAIYECASV ARKYGKTIIA DGGIKYSGDI VKALAAGGHA
     VMLGSLLAGT TESPGESEIF QGRRFKVYRG MGSVAAMEKG SKDRYFQEDE KKLVPEGIEG
     RMPYKGPLTD TIHQLVGGIR SGMGYCGSKD LEAHREKAQF VRMTGAGLQE SHPHQVQITK
     EAPNYSVR
//
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