AGXT
Izgled
Serin—piruvat aminotransferaza jest enzim koji je kod ljudi kodiran genom AGXT sa hromosoma 2.[5][6][7]
Aminokiselinska sekvenca
[uredi | uredi izvor]Dužina polipeptidnog lanca je 392 aminokiseline, a molekulska težina 43.010 Da.[8]
10 | 20 | 30 | 40 | 50 | ||||
---|---|---|---|---|---|---|---|---|
MASHKLLVTP | PKALLKPLSI | PNQLLLGPGP | SNLPPRIMAA | GGLQMIGSMS | ||||
KDMYQIMDEI | KEGIQYVFQT | RNPLTLVISG | SGHCALEAAL | VNVLEPGDSF | ||||
LVGANGIWGQ | RAVDIGERIG | ARVHPMTKDP | GGHYTLQEVE | EGLAQHKPVL | ||||
LFLTHGESST | GVLQPLDGFG | ELCHRYKCLL | LVDSVASLGG | TPLYMDRQGI | ||||
DILYSGSQKA | LNAPPGTSLI | SFSDKAKKKM | YSRKTKPFSF | YLDIKWLANF | ||||
WGCDDQPRMY | HHTIPVISLY | SLRESLALIA | EQGLENSWRQ | HREAAAYLHG | ||||
RLQALGLQLF | VKDPALRLPT | VTTVAVPAGY | DWRDIVSYVI | DHFDIEIMGG | ||||
LGPSTGKVLR | IGLLGCNATR | ENVDRVTEAL | RAALQHCPKK | KL |
Funkcija
[uredi | uredi izvor]Ovaj gen je eksprimiran samo u jetri, a kodirani protein je uglavnom lokaliziran u peroksisomima, gdje je uključen u detoksikaciju gliokzilata. Mutacije ovog gena, od kojih neke mijenjaju subćelijsko ciljanje, povezane su sa primarnom tipom I hiperoksalurije.[7]
Također pogledajte
[uredi | uredi izvor]References
[uredi | uredi izvor]- ^ a b c GRCh38: Ensembl release 89: ENSG00000172482 - Ensembl, maj 2017
- ^ a b c GRCm38: Ensembl release 89: ENSMUSG00000026272 - Ensembl, maj 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.
- ^ Nishiyama K, Funai T, Katafuchi R, Hattori F, Onoyama K, Ichiyama A (Jul 1991). "Primary hyperoxaluria type I due to a point mutation of T to C in the coding region of the serine:pyruvate aminotransferase gene". Biochem Biophys Res Commun. 176 (3): 1093–9. doi:10.1016/0006-291X(91)90396-O. PMID 2039493.
- ^ Purdue PE, Lumb MJ, Fox M, Griffo G, Hamon-Benais C, Povey S, Danpure CJ (Jul 1991). "Characterization and chromosomal mapping of a genomic clone encoding human alanine:glyoxylate aminotransferase". Genomics. 10 (1): 34–42. doi:10.1016/0888-7543(91)90481-S. PMID 2045108.
- ^ a b "Entrez Gene: AGXT alanine-glyoxylate aminotransferase (oxalosis I; hyperoxaluria I; glycolicaciduria; serine-pyruvate aminotransferase)".
- ^ "UniProt, P21549" (jezik: engleski). Pristupljeno 15. 11. 2021.
Dopunska literatura
[uredi | uredi izvor]- Danpure CJ (1993). "Primary hyperoxaluria type 1 and peroxisome-to-mitochondrion mistargeting of alanine:glyoxylate aminotransferase". Biochimie. 75 (3–4): 309–15. doi:10.1016/0300-9084(93)90091-6. PMID 8507692.
- Danpure CJ (2005). "Molecular etiology of primary hyperoxaluria type 1: new directions for treatment". Am. J. Nephrol. 25 (3): 303–10. doi:10.1159/000086362. PMID 15961951.
- Minatogawa Y, Tone S, Allsop J, et al. (1993). "A serine-to-phenylalanine substitution leads to loss of alanine:glyoxylate aminotransferase catalytic activity and immunoreactivity in a patient with primary hyperoxaluria type 1". Hum. Mol. Genet. 1 (8): 643–4. doi:10.1093/hmg/1.8.643. PMID 1301173.
- Purdue PE, Lumb MJ, Allsop J, et al. (1992). "A glycine-to-glutamate substitution abolishes alanine:glyoxylate aminotransferase catalytic activity in a subset of patients with primary hyperoxaluria type 1". Genomics. 13 (1): 215–8. doi:10.1016/0888-7543(92)90225-H. PMID 1349575.
- Purdue PE, Takada Y, Danpure CJ (1991). "Identification of mutations associated with peroxisome-to-mitochondrion mistargeting of alanine/glyoxylate aminotransferase in primary hyperoxaluria type 1". J. Cell Biol. 111 (6 Pt 1): 2341–51. doi:10.1083/jcb.111.6.2341. PMC 2116406. PMID 1703535.
- Purdue PE, Allsop J, Isaya G, et al. (1992). "Mistargeting of peroxisomal L-alanine:glyoxylate aminotransferase to mitochondria in primary hyperoxaluria patients depends upon activation of a cryptic mitochondrial targeting sequence by a point mutation". Proc. Natl. Acad. Sci. U.S.A. 88 (23): 10900–4. doi:10.1073/pnas.88.23.10900. PMC 53039. PMID 1961759.
- Nishiyama K, Berstein G, Oda T, Ichiyama A (1991). "Cloning and nucleotide sequence of cDNA encoding human liver serine-pyruvate aminotransferase". Eur. J. Biochem. 194 (1): 9–18. doi:10.1111/j.1432-1033.1990.tb19420.x. hdl:10271/960. PMID 2253628.
- Takada Y, Kaneko N, Esumi H, et al. (1990). "Human peroxisomal L-alanine: glyoxylate aminotransferase. Evolutionary loss of a mitochondrial targeting signal by point mutation of the initiation codon". Biochem. J. 268 (2): 517–20. doi:10.1042/bj2680517. PMC 1131464. PMID 2363689.
- Danpure CJ, Jennings PR (1986). "Peroxisomal alanine:glyoxylate aminotransferase deficiency in primary hyperoxaluria type I". FEBS Lett. 201 (1): 20–4. doi:10.1016/0014-5793(86)80563-4. PMID 3709805. S2CID 32933133.
- Danpure CJ, Fryer P, Jennings PR, et al. (1995). "Evolution of alanine:glyoxylate aminotransferase 1 peroxisomal and mitochondrial targeting. A survey of its subcellular distribution in the livers of various representatives of the classes Mammalia, Aves and Amphibia". Eur. J. Cell Biol. 64 (2): 295–313. PMID 7813517.
- Danpure CJ, Purdue PE, Fryer P, et al. (1993). "Enzymological and mutational analysis of a complex primary hyperoxaluria type 1 phenotype involving alanine:glyoxylate aminotransferase peroxisome-to-mitochondrion mistargeting and intraperoxisomal aggregation". Am. J. Hum. Genet. 53 (2): 417–32. PMC 1682352. PMID 8101040.
- Minatogawa Y, Kawai C, Hatada S, Sato M (1997). "Liver specific kynurenine(alanine):glyoxylate aminotransferase was expressed in kidney cell line". Adv. Exp. Med. Biol. 398: 471–6. doi:10.1007/978-1-4613-0381-7_73. PMID 8906307.
- von Schnakenburg C, Rumsby G (1997). "Primary hyperoxaluria type 1: a cluster of new mutations in exon 7 of the AGXT gene". J. Med. Genet. 34 (6): 489–92. doi:10.1136/jmg.34.6.489. PMC 1050973. PMID 9192270.
- Amoroso A, Pirulli D, Puzzer D, et al. (1999). "Gene symbol: AGXT. Disease: primary hyperoxaluria type I". Hum. Genet. 104 (5): 441. doi:10.1007/s004390050984. PMID 10394939. S2CID 34307977.
- Pirulli D, Puzzer D, Ferri L, et al. (1999). "Molecular analysis of hyperoxaluria type 1 in Italian patients reveals eight new mutations in the alanine: glyoxylate aminotransferase gene". Hum. Genet. 104 (6): 523–5. doi:10.1007/s004390050998. PMID 10453743. S2CID 28076033.
- Basmaison O, Rolland MO, Cochat P, Bozon D (2000). "Identification of 5 novel mutations in the AGXT gene". Hum. Mutat. 15 (6): 577. doi:10.1002/1098-1004(200006)15:6<577::AID-HUMU9>3.0.CO;2-#. PMID 10862087.
- Lumb MJ, Danpure CJ (2000). "Functional synergism between the most common polymorphism in human alanine:glyoxylate aminotransferase and four of the most common disease-causing mutations". J. Biol. Chem. 275 (46): 36415–22. doi:10.1074/jbc.M006693200. PMID 10960483.
Vanjski linkovi
[uredi | uredi izvor]- Lokacija ljudskog genoma AGT i stranica sa detaljima o genu AGT u UCSC Genome Browseru.
- Lokacija ljudskog genoma AGXT i stranica sa detaljima o genu AGXT u UCSC Genome Browseru.