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. 1983 Aug 25;11(16):5327–5346. doi: 10.1093/nar/11.16.5327

Mammalian keratin gene families: organisation of genes coding for the B2 high-sulphur proteins of sheep wool.

B C Powell, M J Sleigh, K A Ward, G E Rogers
PMCID: PMC326281  PMID: 6193483

Abstract

We have isolated two genomic clones containing three B2 high-sulphur keratin genes from a sheep genomic library constructed in Charon 4A. These genes do not contain intervening sequences. Two genes, encoding the B2A and B2D proteins are closely linked in the genome, being separated by 1.9 kb, and are transcribed in the same direction. Although there is extensive sequence conservation in the 5' non-coding and coding regions, the 3' non-coding regions diverge both in length and sequence. Within the 5' non-coding region adjacent to the initiating AUG there is a highly conserved 18 bp sequence which is also present in another gene coding for a member of a different, unrelated high-sulphur keratin family. In the B2A-B2D intergene region, tightly linked to the B2D gene, there is a putative, divergently transcribed gene.

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Selected References

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