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Q9UY49

- IMDH_PYRAB

UniProt

Q9UY49 - IMDH_PYRAB

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Protein

Inosine-5'-monophosphate dehydrogenase

Gene

guaB

Organism
Pyrococcus abyssi (strain GE5 / Orsay)
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

Potassium.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 sitei247 – 2471NADUniRule annotation
Metal bindingi296 – 2961Potassium; via carbonyl oxygenUniRule annotation
Metal bindingi298 – 2981Potassium; via carbonyl oxygenUniRule annotation
Binding sitei299 – 2991IMPUniRule annotation
Active sitei301 – 3011Thioimidate intermediateUniRule annotation
Metal bindingi301 – 3011Potassium; via carbonyl oxygenUniRule annotation
Binding sitei412 – 4121IMPUniRule annotation
Metal bindingi466 – 4661Potassium; via carbonyl oxygen; shared with tetrameric partnerUniRule annotation
Metal bindingi467 – 4671Potassium; via carbonyl oxygen; shared with tetrameric partnerUniRule annotation
Metal bindingi468 – 4681Potassium; via carbonyl oxygen; shared with tetrameric partnerUniRule annotation

Regions

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Nucleotide bindingi294 – 2963NADUniRule 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

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:PYRAB16590
ORF Names:PAB1250
OrganismiPyrococcus abyssi (strain GE5 / Orsay)
Taxonomic identifieri272844 [NCBI]
Taxonomic lineageiArchaeaEuryarchaeotaThermococciThermococcalesThermococcaceaePyrococcus
ProteomesiUP000000810: Chromosome

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 485485Inosine-5'-monophosphate dehydrogenasePRO_0000093720Add
BLAST

Proteomic databases

PRIDEiQ9UY49.

Interactioni

Subunit structurei

Homotetramer.UniRule annotation

Protein-protein interaction databases

STRINGi272844.PAB1250.

Structurei

3D structure databases

ProteinModelPortaliQ9UY49.
SMRiQ9UY49. Positions 3-480.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini99 – 15456CBS 1UniRule annotationAdd
BLAST
Domaini156 – 21560CBS 2UniRule annotationAdd
BLAST

Region

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Regioni334 – 3363IMP bindingUniRule annotation
Regioni357 – 3582IMP bindingUniRule annotation
Regioni381 – 3855IMP 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.

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.

Q9UY49-1 [UniParc]FASTAAdd to Basket

« Hide

        10         20         30         40         50
MGKFAKKLER AIRGYTFDDV LLIPQATEVE PKDVDVSTQI TPNVKLNIPI
60 70 80 90 100
LSAAMDTVTE WEMAVAMARE GGLGVIHRNM SIEEQVEQVK RVKKAERFIV
110 120 130 140 150
EDVITISPEE TVDFALFLME KHDIDGLPVV ENEKVVGIIS KKDIAAREGK
160 170 180 190 200
LVKELMTKDV ITVPENIEVE EALKIMIENR IDRLPVVDKE GRLIGLITMS
210 220 230 240 250
DLVARKKYKN AVRDENGELL VAAAVSPFDI RRAIELDRAG ADVIVVDTAH
260 270 280 290 300
AHNLKAIKAM KEMRQKVDAD FIVGNIANPK AVDDLTFADA VKVGIGPGSI
310 320 330 340 350
CTTRIVAGVG VPQITAIAMV ADRAQEYGLY VIADGGIKYS GDIVKAIAAG
360 370 380 390 400
ADAVMLGNLL AGTKEAPGKE VIINGRKYKQ YRGMGSLGAM MKGGAERYYQ
410 420 430 440 450
GGYMKTRKFV PEGVEGVVPY RGTVSEVLYQ LVGGLKAGMG YVGARNIKEL
460 470 480
KEKGEFVIIT SAGLRESHPH DIIITNEAPN YPLEK
Length:485
Mass (Da):52,868
Last modified:May 1, 2000 - v1
Checksum:iFF3DDB8521FC7113
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AJ248288 Genomic DNA. Translation: CAB50563.1.
HE613800 Genomic DNA. Translation: CCE71127.1.
PIRiE75015.
RefSeqiNP_127333.1. NC_000868.1.
WP_010868777.1. NC_000868.1.

Genome annotation databases

EnsemblBacteriaiCAB50563; CAB50563; PAB1250.
GeneIDi1495956.
KEGGipab:PAB1250.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
AJ248288 Genomic DNA. Translation: CAB50563.1 .
HE613800 Genomic DNA. Translation: CCE71127.1 .
PIRi E75015.
RefSeqi NP_127333.1. NC_000868.1.
WP_010868777.1. NC_000868.1.

3D structure databases

ProteinModelPortali Q9UY49.
SMRi Q9UY49. Positions 3-480.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 272844.PAB1250.

Proteomic databases

PRIDEi Q9UY49.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai CAB50563 ; CAB50563 ; PAB1250 .
GeneIDi 1495956.
KEGGi pab:PAB1250.

Phylogenomic databases

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

Enzyme and pathway databases

UniPathwayi UPA00601 ; UER00295 .

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. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: GE5 / Orsay.
  2. "Re-annotation of two hyperthermophilic archaea Pyrococcus abyssi GE5 and Pyrococcus furiosus DSM 3638."
    Gao J., Wang J.
    Curr. Microbiol. 64:118-129(2012) [PubMed] [Europe PMC] [Abstract]
    Cited for: GENOME REANNOTATION.
    Strain: GE5 / Orsay.

Entry informationi

Entry nameiIMDH_PYRAB
AccessioniPrimary (citable) accession number: Q9UY49
Secondary accession number(s): G8ZK20
Entry historyi
Integrated into UniProtKB/Swiss-Prot: April 27, 2001
Last sequence update: May 1, 2000
Last modified: October 1, 2014
This is version 106 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

Documents

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

External Data

Dasty 3