MOCS2
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Molybdenum cofactor synthesis protein 2A and molybdenum cofactor synthesis protein 2B are a pair of proteins that in humans are encoded from the same MOCS2 gene.[5][6][7] These two proteins dimerize to form molybdopterin synthase.
Function
Eukaryotic
heterodimeric enzyme molybdopterin synthase.[7]
Gene
The large and small subunits of molybdopterin synthase are both encoded from the MOCS2 gene by overlapping open reading frames. The proteins were initially thought to be encoded from a
transcript. They are now thought to be encoded from monocistronic transcripts. Alternatively spliced transcripts have been found for this locus that encode the large and small subunits.[7]
The MOCS2 gene contains 7 exons. Exons 1 to 3 encode MOCS2A (the small subunit), and exons 3 to 7 encode MOCS2B (large subunit).[5]
Genetic disease
Defects in both copies of MOCS2 cause the molybdenum cofactor deficiency disease in babies.[8]
Protein structure
MOCS2A and MOCS2B subunits form dimers in solution. These dimers in turn dimerize to form the tetrameric molybdopterin synthase complex.[9]
References
- ^ a b c GRCh38: Ensembl release 89: ENSG00000164172 – Ensembl, May 2017
- ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000015536 – Ensembl, May 2017
- ^ "Human PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ "Mouse PubMed Reference:". National Center for Biotechnology Information, U.S. National Library of Medicine.
- ^ PMID 10053004.
- PMID 9889283.
- ^ a b c EntrezGene 4338: MOCS2 molybdenum cofactor synthesis 2
- S2CID 40601679.
- PMID 12732628.
Further reading
- Reiss J, Johnson JL (June 2003). "Mutations in the molybdenum cofactor biosynthetic genes MOCS1, MOCS2, and GEPH". Human Mutation. 21 (6): 569–76. S2CID 41013043.
- Krawczak M, Reiss J, Cooper DN (1992). "The mutational spectrum of single base-pair substitutions in mRNA splice junctions of human genes: causes and consequences". Human Genetics. 90 (1–2): 41–54. S2CID 12544333.
- Reiss J, Cohen N, Dorche C, et al. (September 1998). "Mutations in a polycistronic nuclear gene associated with molybdenum cofactor deficiency". Nature Genetics. 20 (1): 51–3. S2CID 23833158.
- Feng G, Tintrup H, Kirsch J, et al. (November 1998). "Dual requirement for gephyrin in glycine receptor clustering and molybdoenzyme activity". Science. 282 (5392): 1321–4. PMID 9812897.
- Stallmeyer B, Drugeon G, Reiss J, Haenni AL, Mendel RR (March 1999). "Human molybdopterin synthase gene: identification of a bicistronic transcript with overlapping reading frames". American Journal of Human Genetics. 64 (3): 698–705. PMID 10053003.
- Johnson JL, Coyne KE, Rajagopalan KV, et al. (November 2001). "Molybdopterin synthase mutations in a mild case of molybdenum cofactor deficiency". American Journal of Medical Genetics. 104 (2): 169–73. PMID 11746050.
- Strausberg RL, Feingold EA, Grouse LH, et al. (December 2002). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proceedings of the National Academy of Sciences of the United States of America. 99 (26): 16899–903. PMID 12477932.
- Matthies A, Rajagopalan KV, Mendel RR, Leimkühler S (April 2004). "Evidence for the physiological role of a rhodanese-like protein for the biosynthesis of the molybdenum cofactor in humans". Proceedings of the National Academy of Sciences of the United States of America. 101 (16): 5946–51. PMID 15073332.
- Gerhard DS, Wagner L, Feingold EA, et al. (October 2004). "The Status, Quality, and Expansion of the NIH Full-Length cDNA Project: The Mammalian Gene Collection (MGC)". Genome Research. 14 (10B): 2121–7. PMID 15489334.
- Leimkühler S, Charcosset M, Latour P, et al. (October 2005). "Ten novel mutations in the molybdenum cofactor genes MOCS1 and MOCS2 and in vitro characterization of a MOCS2 mutation that abolishes the binding ability of molybdopterin synthase". Human Genetics. 117 (6): 565–70. S2CID 1267356.
- Hahnewald R, Leimkühler S, Vilaseca A, Acquaviva-Bourdain C, Lenz U, Reiss J (November 2006). "A novel MOCS2 mutation reveals coordinated expression of the small and large subunit of molybdopterin synthase". Molecular Genetics and Metabolism. 89 (3): 210–3. PMID 16737835.
- Beausoleil SA, Villén J, Gerber SA, Rush J, Gygi SP (October 2006). "A probability-based approach for high-throughput protein phosphorylation analysis and site localization". Nature Biotechnology. 24 (10): 1285–92. S2CID 14294292.
- Per H, Gümüş H, Ichida K, Cağlayan O, Kumandaş S (July 2007). "Molybdenum cofactor deficiency: clinical features in a Turkish patient". Brain & Development. 29 (6): 365–8. S2CID 46531501.
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