pI = ½(pKa1 + pKa2); glycine (2.34, 9.60) ⇒ pI = 5.97

Layer 2 — Chemistryin the bioorganic-chemistry subtree

Sympy-exact witness of the amino-acid isoelectric-point formula on glycine. Setup: pK_a1 (carboxylic acid) = 2.34, pK_a2 (ammonium) = 9.60, so pI = (2.34 + 9.60)/2 = 11.94/2 = 5.97 exactly (Rational(234,100) + Rational(960,100))/2 =…

Related concepts

pH = pKa + log₁₀([A⁻]/[HA]); pI = ½(pKa1 + pKa2) for amino acid
Amino acid

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