Amino Acid pKa's

N terminal -NH₃⁺

~9-10
C Terminal -COO^-

~2-2.5
COOH (Glutamate (E) and Aspartate (D))

~4
Histidine (H)

~6-7
Cysteine (C)

~8
Lysine (K) and Tyrosine (Y)

~10.5
Arganine (R)

~12.5
pH much GREATER than pKa

Deprotonated
pH much LESS than pKa

Protonated

Author

pwendland

ID

128767

Card Set

Amino Acid pKa's

Description

Amino Acid parts and their pKa's

Updated

2012-01-18T22:22:35Z

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