DNA pKa's

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pKa of Amino Acids and Bases

Last updated 2:37 AM on 4/17/26
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5 Terms

1
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pKa of Guanine?
Acid or Base?

pKa = 9.2

Acid

2
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pKa of Adenine?
Acid or Base?

pKa = 4.2

Base

3
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pKa of Thymine?
Acid or Base?

pKa = 9.9

Acid

4
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What the negatively charged amino acids (acids)?

Asp: pKa = 3.7

Gly: pKa = 4.2

5
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What the positively charged amino acids (bases)?

Arg: pKa = 12.1

His: pKa = 6.0

Lys: pKa = 10.7