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1j04

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Structural mechanism of enzyme mistargeting in hereditary kidney stone disease in vitroStructural mechanism of enzyme mistargeting in hereditary kidney stone disease in vitro

Structural highlights

1j04 is a 1 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:,
NonStd Res:
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Disease

[SPYA_HUMAN] Defects in AGXT are the cause of hyperoxaluria primary type 1 (HP1) [MIM:259900]; also known as primary hyperoxaluria type I (PH1) and oxalosis I. HP1 is a rare autosomal recessive inborn error of glyoxylate metabolism characterized by increased excretion of oxalate and glycolate, and the progressive accumulation of insoluble calcium oxalate in the kidney and urinary tract.[1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] [14] [15] [16] [17] [18]

Evolutionary Conservation

 

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

In a subset of patients with the hereditary kidney-stone disease primary hyperoxaluria type 1 (PH1), the liver-specific enzyme alanine:glyoxylate aminotransferase (AGT) is mistargeted from peroxisomes to mitochondria. This is a consequence of the combined presence of the common P11L polymorphism and a disease-specific G170R mutation. In this paper, the crystal structure of mutant human AGT containing the G170R replacement determined at a resolution of 2.6 A is reported. The crystal structure of AGT consists of an intimate dimer in which an extended N-terminal segment of 21 amino acids from one subunit wraps as an elongated irregular coil around the outside of the crystallographic symmetry-related subunit. In addition to the N-terminal segment, the monomer structure contains a large domain of 261 amino acids and a small C-terminal domain of 110 amino acids. Comparison of the mutant AGT structure and that of wild-type normal AGT shows that the two structures are almost identical, with a backbone-atom r.m.s. deviation of 0.34 A. However, evidence of significant local structural changes in the vicinity of the G170R mutation might be linked to the apparent decrease in protein stability.

Structural implications of a G170R mutation of alanine:glyoxylate aminotransferase that is associated with peroxisome-to-mitochondrion mistargeting.,Djordjevic S, Zhang X, Bartlam M, Ye S, Rao Z, Danpure CJ Acta Crystallogr Sect F Struct Biol Cryst Commun. 2010 Mar 1;66(Pt, 3):233-6. Epub 2010 Feb 23. PMID:20208150[19]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. ↑ Purdue PE, Takada Y, Danpure CJ. Identification of mutations associated with peroxisome-to-mitochondrion mistargeting of alanine/glyoxylate aminotransferase in primary hyperoxaluria type 1. J Cell Biol. 1990 Dec;111(6 Pt 1):2341-51. PMID:1703535
  2. ↑ Nishiyama K, Funai T, Katafuchi R, Hattori F, Onoyama K, Ichiyama A. 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. 1991 May 15;176(3):1093-9. PMID:2039493
  3. ↑ Purdue PE, Lumb MJ, Allsop J, Minatogawa Y, Danpure CJ. A glycine-to-glutamate substitution abolishes alanine:glyoxylate aminotransferase catalytic activity in a subset of patients with primary hyperoxaluria type 1. Genomics. 1992 May;13(1):215-8. PMID:1349575
  4. ↑ Minatogawa Y, Tone S, Allsop J, Purdue PE, Takada Y, Danpur CJ, Kido R. 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. 1992 Nov;1(8):643-4. PMID:1301173
  5. ↑ Danpure CJ, Purdue PE, Fryer P, Griffiths S, Allsop J, Lumb MJ, Guttridge KM, Jennings PR, Scheinman JI, Mauer SM, et al.. 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. 1993 Aug;53(2):417-32. PMID:8101040
  6. ↑ von Schnakenburg C, Rumsby G. Primary hyperoxaluria type 1: a cluster of new mutations in exon 7 of the AGXT gene. J Med Genet. 1997 Jun;34(6):489-92. PMID:9192270
  7. ↑ von Schnakenburg C, Rumsby G. Identification of new mutations in primary hyperoxaluria type 1 (PH1). J Nephrol. 1998 Mar-Apr;11 Suppl 1:15-7. PMID:9604803
  8. ↑ Amoroso A, Pirulli D, Puzzer D, Ferri L, Crovella S, Ferrettini C, Marangella M, Mazzola G, Florian F. Gene symbol: AGXT. Disease: primary hyperoxaluria type I. Hum Genet. 1999 May;104(5):441. PMID:10394939
  9. ↑ Pirulli D, Puzzer D, Ferri L, Crovella S, Amoroso A, Ferrettini C, Marangella M, Mazzola G, Florian F. Molecular analysis of hyperoxaluria type 1 in Italian patients reveals eight new mutations in the alanine: glyoxylate aminotransferase gene. Hum Genet. 1999 Jun;104(6):523-5. PMID:10453743
  10. ↑ Rinat C, Wanders RJ, Drukker A, Halle D, Frishberg Y. Primary hyperoxaluria type I: a model for multiple mutations in a monogenic disease within a distinct ethnic group. J Am Soc Nephrol. 1999 Nov;10(11):2352-8. PMID:10541294
  11. ↑ Basmaison O, Rolland MO, Cochat P, Bozon D. Identification of 5 novel mutations in the AGXT gene. Hum Mutat. 2000 Jun;15(6):577. PMID:10862087 doi:<577::AID-HUMU9>3.0.CO;2-# 10.1002/1098-1004(200006)15:6<577::AID-HUMU9>3.0.CO;2-#
  12. ↑ Lumb MJ, Danpure CJ. Functional synergism between the most common polymorphism in human alanine:glyoxylate aminotransferase and four of the most common disease-causing mutations. J Biol Chem. 2000 Nov 17;275(46):36415-22. PMID:10960483 doi:10.1074/jbc.M006693200
  13. ↑ Coulter-Mackie MB, Tung A, Henderson HE, Toone JR, Applegarth DA. The AGT gene in Africa: a distinctive minor allele haplotype, a polymorphism (V326I), and a novel PH1 mutation (A112D) in Black Africans. Mol Genet Metab. 2003 Jan;78(1):44-50. PMID:12559847
  14. ↑ Santana A, Salido E, Torres A, Shapiro LJ. Primary hyperoxaluria type 1 in the Canary Islands: a conformational disease due to I244T mutation in the P11L-containing alanine:glyoxylate aminotransferase. Proc Natl Acad Sci U S A. 2003 Jun 10;100(12):7277-82. Epub 2003 May 30. PMID:12777626 doi:10.1073/pnas.1131968100
  15. ↑ van Woerden CS, Groothoff JW, Wijburg FA, Annink C, Wanders RJ, Waterham HR. Clinical implications of mutation analysis in primary hyperoxaluria type 1. Kidney Int. 2004 Aug;66(2):746-52. PMID:15253729 doi:10.1111/j.1523-1755.2004.00796.x
  16. ↑ Monico CG, Olson JB, Milliner DS. Implications of genotype and enzyme phenotype in pyridoxine response of patients with type I primary hyperoxaluria. Am J Nephrol. 2005 Mar-Apr;25(2):183-8. Epub 2005 Apr 21. PMID:15849466 doi:10.1159/000085411
  17. ↑ Frishberg Y, Rinat C, Shalata A, Khatib I, Feinstein S, Becker-Cohen R, Weismann I, Wanders RJ, Rumsby G, Roels F, Mandel H. Intra-familial clinical heterogeneity: absence of genotype-phenotype correlation in primary hyperoxaluria type 1 in Israel. Am J Nephrol. 2005 May-Jun;25(3):269-75. Epub 2005 Jun 15. PMID:15961946 doi:10.1159/000086357
  18. ↑ Coulter-Mackie MB, Lian Q, Applegarth D, Toone J. The major allele of the alanine:glyoxylate aminotransferase gene: nine novel mutations and polymorphisms associated with primary hyperoxaluria type 1. Mol Genet Metab. 2005 Sep-Oct;86(1-2):172-8. Epub 2005 Jun 15. PMID:15963748 doi:10.1016/j.ymgme.2005.05.005
  19. ↑ Djordjevic S, Zhang X, Bartlam M, Ye S, Rao Z, Danpure CJ. Structural implications of a G170R mutation of alanine:glyoxylate aminotransferase that is associated with peroxisome-to-mitochondrion mistargeting. Acta Crystallogr Sect F Struct Biol Cryst Commun. 2010 Mar 1;66(Pt, 3):233-6. Epub 2010 Feb 23. PMID:20208150 doi:10.1107/S1744309109054645

1j04, resolution 2.60Å

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