... B-II: 0 .1% SDS, 1% Triton X -10 0, 2 mmEDTA, 500 mm NaCl, 20 mm Tris ⁄ HCl, pH 8; B-III:0.25 m LiCl, 1% Nonidet P-40, 1% sodium deoxycholate,1mm EDTA, 10 mm Tris ⁄ HCl, pH 8; B-IV: 1 mmEDTA ,10 mm ... containing 1% SDS, 10 mmEDTA, 50 mm Tris ⁄ HCl, pH 8. Lysates were centrifuged at 14 000 g for 10 min at 4 °C, and the supernatant obtainedwas diluted 10 -fold using IP buffer [0. 01% SDS, 1. 1%Triton ... After 1 h of incubation at 4 °C, the immunoprecipi-tates were centrifuged (at 14 000 g, 10 min, 4 °C) andwashed twice each with four buffers (B-I: 0 .1% SDS, 1% Triton X -10 0, 2 mm EDTA, 15 0 mm...