PMID: 8586434Nov 20, 1995Paper

Molecular cloning of the alpha 3 chain of human type IX collagen: linkage of the gene COL9A3 to chromosome 20q13.3

Genomics
R G BrewtonJ R Baker

Abstract

Type IX collagen is composed of three polypeptides derived from the human genes COL9A1, COL9A2, and COL9A3 that assemble to form a mature collagen molecule with the structure alpha 1(IX)alpha 2(IX)alpha 3(IX). We have identified overlapping cDNA and genomic clones that encode for the entire alpha 3 chain of human type IX collagen. Tryptic peptides from the human alpha 3(IX) collagen chain were subjected to N-terminal amino acid sequencing, and a stretch of 124 contiguous amino acids that included the NC1, COL1, and NC2 domains was obtained. Degenerate oligonucleotide primers were designed based on the amino acid sequences of the human tryptic peptides as well as bovine peptides and sequences from chicken cDNA clones. These primers were used to amplify three overlapping PCR products that covered the majority of the human alpha 3(IX) collagen. PCR products were then used to identify overlapping cDNA clones from a human chondrocyte library. A lambda genomic clone was identified that contained the 5'-most exon that encodes the signal peptide to complete the entire structure of the human alpha 3(IX) collagen chain. Genomic amplification identified a single-strand conformational polymorphism in COL1 that was used to map COL9A3 to chr...Continue Reading

Citations

Jun 7, 1996·The Journal of Biological Chemistry·D E MechlingH P Bächinger
Feb 3, 2000·Proceedings of the National Academy of Sciences of the United States of America·C G BönnemannL M Kunkel
Jul 5, 2002·Journal of Bone and Mineral Research : the Official Journal of the American Society for Bone and Mineral Research·Toshiyuki IkedaShiro Ikegawa
Feb 28, 2003·Biology of Reproduction·Peter J McClive, Andrew H Sinclair
Jun 28, 2000·Archives of Biochemistry and Biophysics·S IchimuraD R Eyre
Mar 26, 1999·American Journal of Human Genetics·P PaassiltaL Ala-Kokko
Jul 20, 1999·Science·S AnnunenL Ala-Kokko
Dec 14, 1999·The American Journal of Pathology·K TingI Nishimura

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