Table 1. Binding constants of human SUV39H1 chromodomains and H3 histone peptides determined by fluorescence polarization.

Peptides	Kd (µM) for SUV39H1 (42–100)	Kd (µM) for SUV39H1 (44–106)
H31–15K9me3	20±4	*NB
H31–15K9me2	29±12	*NB
H31–15K9me1	*NB	*NB
H31–15K9me0	*NB	*NB

^*NB: No detectable binding from FP experiments.