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. Author manuscript; available in PMC: 2019 Feb 18.
Published in final edited form as: Biochemistry. 2016 Jul 13;55(29):4036–4046. doi: 10.1021/acs.biochem.6b00401

Table 1.

Ligand Binding to SULT1A1

Enzyme Form Kd (μM)
EGCG PAP
E 0.68 (0.05)a 0.35 (0.04)b
E·PAP 0.044 (0.004) 31 (2)b
E·(PAP)2 0.039 (0.003)
E·EGCGPAP 0.81 (0.07) 31 (2)
E·(EGCG)2 0.024 (0.002)
E·(EGCG)2PAP 0.78 (0.06)
a

Values in parentheses indicate error.

b

Determined previously (16).