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Q9L6B7

- IMDH_PASMU

UniProt

Q9L6B7 - IMDH_PASMU

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Protein

Inosine-5'-monophosphate dehydrogenase

Gene

guaB

Organism
Pasteurella multocida (strain Pm70)
Status
Reviewed - Annotation score: 3 out of 5- Protein inferred from homologyi

Functioni

Catalyzes the conversion of inosine 5'-phosphate (IMP) to xanthosine 5'-phosphate (XMP), the first committed and rate-limiting step in the de novo synthesis of guanine nucleotides, and therefore plays an important role in the regulation of cell growth.UniRule annotation

Catalytic activityi

Inosine 5'-phosphate + NAD+ + H2O = xanthosine 5'-phosphate + NADH.UniRule annotation

Cofactori

K(+)UniRule annotation

Enzyme regulationi

Mycophenolic acid (MPA) is a non-competitive inhibitor that prevents formation of the closed enzyme conformation by binding to the same site as the amobile flap. In contrast, mizoribine monophosphate (MZP) is a competitive inhibitor that induces the closed conformation. MPA is a potent inhibitor of mammalian IMPDHs but a poor inhibitor of the bacterial enzymes. MZP is a more potent inhibitor of bacterial IMPDH.UniRule annotation

Pathwayi

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Binding sitei248 – 2481NADUniRule annotation
Metal bindingi300 – 3001Potassium; via carbonyl oxygenUniRule annotation
Metal bindingi302 – 3021Potassium; via carbonyl oxygenUniRule annotation
Binding sitei303 – 3031IMPUniRule annotation
Active sitei305 – 3051Thioimidate intermediateUniRule annotation
Metal bindingi305 – 3051Potassium; via carbonyl oxygenUniRule annotation
Binding sitei415 – 4151IMPUniRule annotation
Metal bindingi469 – 4691Potassium; via carbonyl oxygen; shared with tetrameric partnerUniRule annotation
Metal bindingi470 – 4701Potassium; via carbonyl oxygen; shared with tetrameric partnerUniRule annotation
Metal bindingi471 – 4711Potassium; via carbonyl oxygen; shared with tetrameric partnerUniRule annotation

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi248 – 2503NADUniRule annotation
Nucleotide bindingi298 – 3003NADUniRule annotation

GO - Molecular functioni

  1. adenyl nucleotide binding Source: InterPro
  2. IMP dehydrogenase activity Source: UniProtKB-HAMAP
  3. metal ion binding Source: UniProtKB-HAMAP

GO - Biological processi

  1. GMP biosynthetic process Source: UniProtKB-HAMAP
Complete GO annotation...

Keywords - Molecular functioni

Oxidoreductase

Keywords - Biological processi

GMP biosynthesis, Purine biosynthesis

Keywords - Ligandi

Metal-binding, NAD, Potassium

Enzyme and pathway databases

BioCyciPMUL272843:GC8W-299-MONOMER.
UniPathwayiUPA00601; UER00295.

Names & Taxonomyi

Protein namesi
Recommended name:
Inosine-5'-monophosphate dehydrogenaseUniRule annotation (EC:1.1.1.205UniRule annotation)
Short name:
IMP dehydrogenaseUniRule annotation
Short name:
IMPDUniRule annotation
Short name:
IMPDHUniRule annotation
Gene namesi
Name:guaBUniRule annotation
Ordered Locus Names:PM0295
OrganismiPasteurella multocida (strain Pm70)
Taxonomic identifieri272843 [NCBI]
Taxonomic lineageiBacteriaProteobacteriaGammaproteobacteriaPasteurellalesPasteurellaceaePasteurella
ProteomesiUP000000809: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 487487Inosine-5'-monophosphate dehydrogenasePRO_0000093703Add
BLAST

Proteomic databases

PRIDEiQ9L6B7.

Interactioni

Subunit structurei

Homotetramer.UniRule annotation

Protein-protein interaction databases

STRINGi272843.PM0295.

Structurei

3D structure databases

ProteinModelPortaliQ9L6B7.
SMRiQ9L6B7. Positions 3-485.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini93 – 14957CBS 1UniRule annotationAdd
BLAST
Domaini153 – 21462CBS 2UniRule annotationAdd
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni338 – 3403IMP bindingUniRule annotation
Regioni361 – 3622IMP bindingUniRule annotation
Regioni385 – 3895IMP bindingUniRule annotation

Sequence similaritiesi

Belongs to the IMPDH/GMPR family.UniRule annotation
Contains 2 CBS domains.UniRule annotation

Keywords - Domaini

CBS domain, Repeat

Phylogenomic databases

eggNOGiCOG0517.
HOGENOMiHOG000165755.
KOiK00088.
OMAiHGHSKNI.
OrthoDBiEOG6GTZPV.

Family and domain databases

Gene3Di3.20.20.70. 1 hit.
HAMAPiMF_01964. IMPDH.
InterProiIPR013785. Aldolase_TIM.
IPR000644. CBS_dom.
IPR005990. IMP_DH.
IPR015875. IMP_DH/GMP_Rdtase_CS.
IPR001093. IMP_DH_GMPRt.
[Graphical view]
PfamiPF00571. CBS. 2 hits.
PF00478. IMPDH. 1 hit.
[Graphical view]
PIRSFiPIRSF000130. IMPDH. 1 hit.
SMARTiSM00116. CBS. 2 hits.
[Graphical view]
TIGRFAMsiTIGR01302. IMP_dehydrog. 1 hit.
PROSITEiPS51371. CBS. 2 hits.
PS00487. IMP_DH_GMP_RED. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Q9L6B7-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MLRVIKEALT FDDVLLVPAH STVLPNTADL STQLTKTIRL NIPMLSAAMD
60 70 80 90 100
TVTETKLAIS LAQEGGIGFI HKNMSIERQA ERVRKVKKFE SGIVSDPVTV
110 120 130 140 150
SPTLSLAELS ELVKKNGFAS FPVVDDEKNL VGIITGRDTR FVTDLNKTVA
160 170 180 190 200
DFMTPKARLV TVKRNASRDE IFGLMHTHRV EKVLVVSDDF KLKGMITLKD
210 220 230 240 250
YQKSEQKPQA CKDEFGRLRV GAAVGAGPGN EERIDALVKA GVDVLLIDSS
260 270 280 290 300
HGHSEGVLQR VRETRAKYPD LPIVAGNVAT AEGAIALADA GASAVKVGIG
310 320 330 340 350
PGSICTTRIV TGVGVPQITA IADAAEALKD RGIPVIADGG IRFSGDISKA
360 370 380 390 400
IAAGASCVMV GSMFAGTEEA PGEIELYQGR AFKSYRGMGS LGAMSKGSSD
410 420 430 440 450
RYFQSDNAAD KLVPEGIEGR IPYKGFLKEI IHQQMGGLRS CMGLTGCATI
460 470 480
DELRTKAQFV RISGAGIQES HVHDVTITKE APNYRMG
Length:487
Mass (Da):52,008
Last modified:October 1, 2000 - v1
Checksum:i0871DB08893B8FCA
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF237921 Genomic DNA. Translation: AAF68407.1.
AE004439 Genomic DNA. Translation: AAK02379.1.
RefSeqiNP_245232.1. NC_002663.1.
WP_005725353.1. NC_002663.1.

Genome annotation databases

EnsemblBacteriaiAAK02379; AAK02379; PM0295.
GeneIDi1243642.
KEGGipmu:PM0295.
PATRICi22869746. VBIPasMul88067_0305.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AF237921 Genomic DNA. Translation: AAF68407.1 .
AE004439 Genomic DNA. Translation: AAK02379.1 .
RefSeqi NP_245232.1. NC_002663.1.
WP_005725353.1. NC_002663.1.

3D structure databases

ProteinModelPortali Q9L6B7.
SMRi Q9L6B7. Positions 3-485.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 272843.PM0295.

Proteomic databases

PRIDEi Q9L6B7.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai AAK02379 ; AAK02379 ; PM0295 .
GeneIDi 1243642.
KEGGi pmu:PM0295.
PATRICi 22869746. VBIPasMul88067_0305.

Phylogenomic databases

eggNOGi COG0517.
HOGENOMi HOG000165755.
KOi K00088.
OMAi HGHSKNI.
OrthoDBi EOG6GTZPV.

Enzyme and pathway databases

UniPathwayi UPA00601 ; UER00295 .
BioCyci PMUL272843:GC8W-299-MONOMER.

Family and domain databases

Gene3Di 3.20.20.70. 1 hit.
HAMAPi MF_01964. IMPDH.
InterProi IPR013785. Aldolase_TIM.
IPR000644. CBS_dom.
IPR005990. IMP_DH.
IPR015875. IMP_DH/GMP_Rdtase_CS.
IPR001093. IMP_DH_GMPRt.
[Graphical view ]
Pfami PF00571. CBS. 2 hits.
PF00478. IMPDH. 1 hit.
[Graphical view ]
PIRSFi PIRSF000130. IMPDH. 1 hit.
SMARTi SM00116. CBS. 2 hits.
[Graphical view ]
TIGRFAMsi TIGR01302. IMP_dehydrog. 1 hit.
PROSITEi PS51371. CBS. 2 hits.
PS00487. IMP_DH_GMP_RED. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Identification of Pasteurella multocida virulence genes in a septicemic mouse model using signature-tagged mutagenesis."
    Fuller T.E., Kennedy M.J., Lowery D.E.
    Microb. Pathog. 29:25-38(2000) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
  2. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: Pm70.

Entry informationi

Entry nameiIMDH_PASMU
AccessioniPrimary (citable) accession number: Q9L6B7
Entry historyi
Integrated into UniProtKB/Swiss-Prot: May 4, 2001
Last sequence update: October 1, 2000
Last modified: November 26, 2014
This is version 102 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

Complete proteome, Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3