a. What is the standardly accepted percentage of sequence identity for two prote

Question

a. What is the standardly accepted percentage of sequence identity for two proteins to be considered as probably having similar function? According to K R Acharya, R Shapiro, S C Allen, J F Riordan, and B L Vallee, PNAS April 12, 1994. 91 (8) 2915-2919; (https://doi.org/10.1073/pnas.91.8.2915 - download and use the pdf) what percentage of residues is identical? Does this make the two enzymes probably similar in function?

b. According to the authors and their references, how many catalytic sites does Ang share commonality with RNase A. Name these

Explanation / Answer

a). 33% of residues is identical .

No, two enzymes probably does not has similar function.

b).such catalytic properties are shared by Ang commonly with RNase A they are 3 side of pyrimidines.

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