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Hoppe Seylers Z Physiol Chem. 1979 Jul;360(7):833-40.

The covalent structure of calf skin type III collagen. III. The amino acid sequence of the cyanogen bromide peptide alpha 1(III)CB4 (positions 403--551).


The cyanogen bromide peptide alpha 1(III)CB4 comprises the sequence region from position 403 to 551 of the alpha 1(III) chain. Almost the entire sequence of this region was elucidated using two hydroxylamine- and one chymotrypsin-derived fragments for automated Edman degradation. The sequence analysis of alpha 1(III)CB4 was completed with the help of trypsin and one protease V8-derived peptide. Comparison with the corresponding region of the alpha 1(I) chain revealed a striking homology between the two chains in this region which is higher than for the entire alpha chains.

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