Comparative Study
doi: 10.1016/0006-291x(89)92770-8.The amino acid sequence of the chromosomal protein HMG-Y, its relation to HMG-I and possible domains for the preferential binding of the proteins to stretches of A-T base pairs
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- PMID:2920035
- DOI: 10.1016/0006-291x(89)92770-8
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Comparative Study
The amino acid sequence of the chromosomal protein HMG-Y, its relation to HMG-I and possible domains for the preferential binding of the proteins to stretches of A-T base pairs
J R Karlson et al. Biochem Biophys Res Commun..
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Abstract
The primary structure of the human high mobility group (HMG) protein HMG-Y has been established except for a few amino acids in the N-terminal and the C-terminal part of the protein. It was found that the sequence was identical to that of HMG-I except for a run of eleven amino acids. Like HMG-I the protein was N-terminally blocked and the palindromic sequence Pro-Arg-Gly-Arg-Pro occurred twice as in HMG-I. The binding of peptides derived from HMG-I (after thermolysin cleavage) to poly (dA-dT).poly(dA-dT) suggested that there are at least two different binding domains in the protein and that binding is not dependent upon an intact protein.
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