Inosine monophosphate synthase

Inosine monophosphate synthase

5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase, also known as ATIC and Inosine monophosphate synthase, is a human gene.cite web | title = Entrez Gene: ATIC 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene&Cmd=ShowDetailView&TermToSearch=471| accessdate = ] PBB_Summary
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ATIC encodes an enzyme which generates inosine monophosphate from aminoimidazole carboxamide ribonucleotide.

It has two functions:

* - 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase
* - IMP cyclohydrolase

References

Further reading

PBB_Further_reading
citations =
*cite journal | author=Rasmussen HH, van Damme J, Puype M, "et al." |title=Microsequences of 145 proteins recorded in the two-dimensional gel protein database of normal human epidermal keratinocytes. |journal=Electrophoresis |volume=13 |issue= 12 |pages= 960–9 |year= 1993 |pmid= 1286667 |doi=
*cite journal | author=Rayl EA, Moroson BA, Beardsley GP |title=The human purH gene product, 5-aminoimidazole-4-carboxamide ribonucleotide formyltransferase/IMP cyclohydrolase. Cloning, sequencing, expression, purification, kinetic analysis, and domain mapping. |journal=J. Biol. Chem. |volume=271 |issue= 4 |pages= 2225–33 |year= 1996 |pmid= 8567683 |doi=
*cite journal | author=Yamauchi M, Seki N, Mita K, "et al." |title=Isolation of human purH gene expressed in the rodent transformant cells by subtractive enrichment of 3'-untranslated region of human transcript. |journal=DNA Res. |volume=2 |issue= 6 |pages= 269–75 |year= 1996 |pmid= 8867801 |doi=
*cite journal | author=Sugita T, Aya H, Ueno M, "et al." |title=Characterization of molecularly cloned human 5-aminoimidazole-4-carboxamide ribonucleotide transformylase. |journal=J. Biochem. |volume=122 |issue= 2 |pages= 309–13 |year= 1997 |pmid= 9378707 |doi=
*cite journal | author=Beardsley GP, Rayl EA, Gunn K, "et al." |title=Structure and functional relationships in human pur H. |journal=Adv. Exp. Med. Biol. |volume=431 |issue= |pages= 221–6 |year= 1998 |pmid= 9598063 |doi=
*cite journal | author=Vergis JM, Bulock KG, Fleming KG, Beardsley GP |title=Human 5-aminoimidazole-4-carboxamide ribonucleotide transformylase/inosine 5'-monophosphate cyclohydrolase. A bifunctional protein requiring dimerization for transformylase activity but not for cyclohydrolase activity. |journal=J. Biol. Chem. |volume=276 |issue= 11 |pages= 7727–33 |year= 2001 |pmid= 11096114 |doi= 10.1074/jbc.M009940200
*cite journal | author=Bulock KG, Beardsley GP, Anderson KS |title=The kinetic mechanism of the human bifunctional enzyme ATIC (5-amino-4-imidazolecarboxamide ribonucleotide transformylase/inosine 5'-monophosphate cyclohydrolase). A surprising lack of substrate channeling. |journal=J. Biol. Chem. |volume=277 |issue= 25 |pages= 22168–74 |year= 2002 |pmid= 11948179 |doi= 10.1074/jbc.M111964200
*cite journal | author=Strausberg RL, Feingold EA, Grouse LH, "et al." |title=Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences. |journal=Proc. Natl. Acad. Sci. U.S.A. |volume=99 |issue= 26 |pages= 16899–903 |year= 2003 |pmid= 12477932 |doi= 10.1073/pnas.242603899
*cite journal | author=Cheong CG, Wolan DW, Greasley SE, "et al." |title=Crystal structures of human bifunctional enzyme aminoimidazole-4-carboxamide ribonucleotide transformylase/IMP cyclohydrolase in complex with potent sulfonyl-containing antifolates. |journal=J. Biol. Chem. |volume=279 |issue= 17 |pages= 18034–45 |year= 2004 |pmid= 14966129 |doi= 10.1074/jbc.M313691200
*cite journal | author=Marie S, Heron B, Bitoun P, "et al." |title=AICA-ribosiduria: a novel, neurologically devastating inborn error of purine biosynthesis caused by mutation of ATIC. |journal=Am. J. Hum. Genet. |volume=74 |issue= 6 |pages= 1276–81 |year= 2004 |pmid= 15114530 |doi= 10.1086/421475
*cite journal | author=Dervieux T, Furst D, Lein DO, "et al." |title=Polyglutamation of methotrexate with common polymorphisms in reduced folate carrier, aminoimidazole carboxamide ribonucleotide transformylase, and thymidylate synthase are associated with methotrexate effects in rheumatoid arthritis. |journal=Arthritis Rheum. |volume=50 |issue= 9 |pages= 2766–74 |year= 2004 |pmid= 15457444 |doi= 10.1002/art.20460
*cite journal | author=Gerhard DS, Wagner L, Feingold EA, "et al." |title=The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). |journal=Genome Res. |volume=14 |issue= 10B |pages= 2121–7 |year= 2004 |pmid= 15489334 |doi= 10.1101/gr.2596504
*cite journal | author=Ewing RM, Chu P, Elisma F, "et al." |title=Large-scale mapping of human protein-protein interactions by mass spectrometry. |journal=Mol. Syst. Biol. |volume=3 |issue= |pages= 89 |year= 2007 |pmid= 17353931 |doi= 10.1038/msb4100134

External links

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