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. 1981 May 11;9(9):2223–2237. doi: 10.1093/nar/9.9.2223

Apparent association constants for E. coli ribosomal proteins S4, S7, S8, S15, S17 and S20 binding to 16S RNA.

J Schwarzbauer, G R Craven
PMCID: PMC326837  PMID: 7029472

Abstract

We have previously reported the development of a technique utilizing nitrocellulose filters, which rapidly separates ribosomal protein-ribosomal RNA complexes from unbound protein. We have used this technique to obtain binding data for the association of proteins S4, S7, S8, S15, S17, and S20 with 16S RNA. With the exception of protein S17, the association behavior for each of these proteins exhibits a single binding site with a unique binding constant. The apparent association constants have been calculated and have been found to have a range from 1.6 x 10(6) M-1 for protein S7 to 7.1 x 10(7) M-1 for protein S17. The Scatchard plot for the protein S17 binding data is biphasic, suggesting that within the RNA population two different binding sites exist, each with a different apparent association constant.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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