The `pK_(a_1), pK_(a_2) and pK_(a_3)` value for the amino acid cysteine `(HS-CH_2-undersetunderset(NH_2)(|)CH-COOH)` are respectively 1.8, 8.3, 10.8.

Question

The `pK_(a_1), pK_(a_2) and pK_(a_3)` value for the amino acid cysteine `(HS-CH_2-undersetunderset(NH_2)(|)CH-COOH)` are respectively 1.8, 8.3, 10.8.

The `pK_(a_1), pK_(a_2) and pK_(a_3)` value for the amino acid cysteine `(HS-CH_2-undersetunderset(NH_2)(|)CH-COOH)` are respectively 1.8, 8.3, 10.8. What is isoelectric point of cysteine amino acid ?

Monjur Alahi

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2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

`p^(|)=(pK_(a_2))+pk_(a_3))/2=(8.3+10.8)/2=8.85`

8 views Answered 2023-02-05 15:29