The genes coding for human pro alpha 1(IV) collagen and pro alpha 2(IV) collagen are both located at the end of the long arm of chromosome 13.

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• Large introns in the 3' end of the gene for the pro alpha 1 (IV) chain of human basement membrane collagen.
  gan: Soininen, R, et al.
  Cyhoeddwyd: (1986)
• Human collagen genes encoding basement membrane alpha 1 (IV) and alpha 2 (IV) chains map to the distal long arm of chromosome 13.
  gan: Griffin, C A, et al.
  Cyhoeddwyd: (1987)
• Polymorphism of DNA sequence in the human pro alpha 2(I) collagen gene.
  gan: Grobler-Rabie, A F, et al.
  Cyhoeddwyd: (1985)
• The alpha 1 beta 1 integrin recognition site of the basement membrane collagen molecule [alpha 1(IV)]2 alpha 2(IV).
  gan: Eble, J A, et al.
  Cyhoeddwyd: (1993)
• Chick pro alpha 2 (I) collagen gene: exon location and coding potential for the prepropeptide.
  gan: Tate, V E, et al.
  Cyhoeddwyd: (1983)