Hmdb loader
Identification
HMDB Protein ID HMDBP00881
Secondary Accession Numbers
  • 6163
  • HMDBP03776
Name Inosine-5'-monophosphate dehydrogenase 2
Synonyms
  1. IMP dehydrogenase 2
  2. IMPD 2
  3. IMPDH 2
  4. IMPDH-II
Gene Name IMPDH2
Protein Type Unknown
Biological Properties
General Function Involved in catalytic activity
Specific Function 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. Could also have a single-stranded nucleic acid-binding activity and could play a role in RNA and/or DNA metabolism. It may also have a role in the development of malignancy and the growth progression of some tumors.
Pathways
  • Drug metabolism - other enzymes
  • Mycophenolic Acid Metabolism Pathway
  • Purine metabolism
  • XMP biosynthesis via de novo pathway
Reactions
Inosinic acid + NAD + Water → Xanthylic acid + NADH details
Inosinic acid + NAD + Water → Xanthylic acid + NADH + Hydrogen Ion details
6-Thioinosine-5'-monophosphate + NAD + Water → 6-Thioxanthine 5'-monophosphate + NADH + Hydrogen Ion details
GO Classification
Biological Process
purine nucleobase metabolic process
GMP biosynthetic process
purine ribonucleoside monophosphate biosynthetic process
lymphocyte proliferation
Cellular Component
cytosol
nucleus
peroxisomal membrane
Function
catalytic activity
imp dehydrogenase activity
oxidoreductase activity, acting on the ch-oh group of donors, nad or nadp as acceptor
oxidoreductase activity, acting on ch-oh group of donors
oxidoreductase activity
Molecular Function
metal ion binding
IMP dehydrogenase activity
RNA binding
DNA binding
nucleotide binding
Process
metabolic process
oxidation reduction
Cellular Location Not Available
Gene Properties
Chromosome Location 3
Locus 3p21.2
SNPs IMPDH2
Gene Sequence
>1545 bp
ATGGCCGACTACCTGATTAGTGGGGGCACGTCCTACGTGCCAGACGACGGACTCACAGCA
CAGCAGCTCTTCAACTGCGGAGACGGCCTCACCTACAATGACTTTCTCATTCTCCCTGGG
TACATCGACTTCACTGCAGACCAGGTGGACCTGACTTCTGCTCTGACCAAGAAAATCACT
CTTAAGACCCCACTGGTTTCCTCTCCCATGGACACAGTCACAGAGGCTGGGATGGCCATA
GCAATGGCGCTTACAGGCGGTATTGGCTTCATCCACCACAACTGTACACCTGAATTCCAG
GCCAATGAAGTTCGGAAAGTGAAGAAATATGAACAGGGATTCATCACAGACCCTGTGGTC
CTCAGCCCCAAGGATCGCGTGCGGGATGTTTTTGAGGCCAAGGCCCGGCATGGTTTCTGC
GGTATCCCAATCACAGACACAGGCCGGATGGGGAGCCGCTTGGTGGGCATCATCTCCTCC
AGGGACATTGATTTTCTCAAAGAGGAGGAACATGACTGTTTCTTGGAAGAGATAATGACA
AAGAGGGAAGACTTGGTGGTAGCCCCTGCAGGCATCACACTGAAGGAGGCAAATGAAATT
CTGCAGCGCAGCAAGAAGGGAAAGTTGCCCATTGTAAATGAAGATGATGAGCTTGTGGCC
ATCATTGCCCGGACAGACCTGAAGAAGAATCGGGACTACCCACTAGCCTCCAAAGATGCC
AAGAAACAGCTGCTGTGTGGGGCAGCCATTGGCACTCATGAGGATGACAAGTATAGGCTG
GACTTGCTCGCCCAGGCTGGTGTGGATGTAGTGGTTTTGGACTCTTCCCAGGGAAATTCC
ATCTTCCAGATCAATATGATCAAGTACATCAAAGACAAATACCCTAATCTCCAAGTCATT
GGAGGCAATGTGGTCACTGCTGCCCAGGCCAAGAACCTCATTGATGCAGGTGTGGATGCC
CTGCGGGTGGGCATGGGAAGTGGCTCCATCTGCATTACGCAGGAAGTGCTGGCCTGTGGG
CGGCCCCAAGCAACAGCAGTGTACAAGGTGTCAGAGTATGCACGGCGCTTTGGTGTTCCG
GTCATTGCTGATGGAGGAATCCAAAATGTGGGTCATATTGCGAAAGCCTTGGCCCTTGGG
GCCTCCACAGTCATGATGGGCTCTCTCCTGGCTGCCACCACTGAGGCCCCTGGTGAATAC
TTCTTTTCCGATGGGATCCGGCTAAAGAAATATCGCGGTATGGGTTCTCTCGATGCCATG
GACAAGCACCTCAGCAGCCAGAACAGATATTTCAGTGAAGCTGACAAAATCAAAGTGGCC
CAGGGAGTGTCTGGTGCTGTGCAGGACAAAGGGTCAATCCACAAATTTGTCCCTTACCTG
ATTGCTGGCATCCAACACTCATGCCAGGACATTGGTGCCAAGAGCTTGACCCAAGTCCGA
GCCATGATGTACTCTGGGGAGCTTAAGTTTGAGAAGAGAACGTCCTCAGCCCAGGTGGAA
GGTGGCGTCCATAGCCTCCATTCGTATGAGAAGCGGCTTTTCTGA
Protein Properties
Number of Residues 514
Molecular Weight 55804.495
Theoretical pI 6.902
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>Inosine-5'-monophosphate dehydrogenase 2
MADYLISGGTSYVPDDGLTAQQLFNCGDGLTYNDFLILPGYIDFTADQVDLTSALTKKIT
LKTPLVSSPMDTVTEAGMAIAMALTGGIGFIHHNCTPEFQANEVRKVKKYEQGFITDPVV
LSPKDRVRDVFEAKARHGFCGIPITDTGRMGSRLVGIISSRDIDFLKEEEHDCFLEEIMT
KREDLVVAPAGITLKEANEILQRSKKGKLPIVNEDDELVAIIARTDLKKNRDYPLASKDA
KKQLLCGAAIGTHEDDKYRLDLLAQAGVDVVVLDSSQGNSIFQINMIKYIKDKYPNLQVI
GGNVVTAAQAKNLIDAGVDALRVGMGSGSICITQEVLACGRPQATAVYKVSEYARRFGVP
VIADGGIQNVGHIAKALALGASTVMMGSLLAATTEAPGEYFFSDGIRLKKYRGMGSLDAM
DKHLSSQNRYFSEADKIKVAQGVSGAVQDKGSIHKFVPYLIAGIQHSCQDIGAKSLTQVR
AMMYSGELKFEKRTSSAQVEGGVHSLHSYEKRLF
GenBank ID Protein 13543973
UniProtKB/Swiss-Prot ID P12268
UniProtKB/Swiss-Prot Entry Name IMDH2_HUMAN
PDB IDs
GenBank Gene ID BC006124
GeneCard ID IMPDH2
GenAtlas ID IMPDH2
HGNC ID HGNC:6053
References
General References
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  4. Dephoure N, Zhou C, Villen J, Beausoleil SA, Bakalarski CE, Elledge SJ, Gygi SP: A quantitative atlas of mitotic phosphorylation. Proc Natl Acad Sci U S A. 2008 Aug 5;105(31):10762-7. doi: 10.1073/pnas.0805139105. Epub 2008 Jul 31. [PubMed:18669648 ]
  5. Mayya V, Lundgren DH, Hwang SI, Rezaul K, Wu L, Eng JK, Rodionov V, Han DK: Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions. Sci Signal. 2009 Aug 18;2(84):ra46. doi: 10.1126/scisignal.2000007. [PubMed:19690332 ]
  6. Gauci S, Helbig AO, Slijper M, Krijgsveld J, Heck AJ, Mohammed S: Lys-N and trypsin cover complementary parts of the phosphoproteome in a refined SCX-based approach. Anal Chem. 2009 Jun 1;81(11):4493-501. doi: 10.1021/ac9004309. [PubMed:19413330 ]
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  8. Collart FR, Huberman E: Cloning and sequence analysis of the human and Chinese hamster inosine-5'-monophosphate dehydrogenase cDNAs. J Biol Chem. 1988 Oct 25;263(30):15769-72. [PubMed:2902093 ]
  9. Natsumeda Y, Ohno S, Kawasaki H, Konno Y, Weber G, Suzuki K: Two distinct cDNAs for human IMP dehydrogenase. J Biol Chem. 1990 Mar 25;265(9):5292-5. [PubMed:1969416 ]
  10. Glesne DA, Huberman E: Cloning and sequence of the human type II IMP dehydrogenase gene. Biochem Biophys Res Commun. 1994 Nov 30;205(1):537-44. [PubMed:7999076 ]
  11. Zimmermann AG, Spychala J, Mitchell BS: Characterization of the human inosine-5'-monophosphate dehydrogenase type II gene. J Biol Chem. 1995 Mar 24;270(12):6808-14. [PubMed:7896827 ]
  12. Glesne D, Collart F, Varkony T, Drabkin H, Huberman E: Chromosomal localization and structure of the human type II IMP dehydrogenase gene (IMPDH2). Genomics. 1993 Apr;16(1):274-7. [PubMed:8098009 ]
  13. Hager PW, Collart FR, Huberman E, Mitchell BS: Recombinant human inosine monophosphate dehydrogenase type I and type II proteins. Purification and characterization of inhibitor binding. Biochem Pharmacol. 1995 May 11;49(9):1323-9. [PubMed:7763314 ]
  14. Colby TD, Vanderveen K, Strickler MD, Markham GD, Goldstein BM: Crystal structure of human type II inosine monophosphate dehydrogenase: implications for ligand binding and drug design. Proc Natl Acad Sci U S A. 1999 Mar 30;96(7):3531-6. [PubMed:10097070 ]