In article <01H3LFF46702001B6M at hkucc.hku.hk>, HRMBDKC at HKUCC.HKU.HK wrote: > Please can anyone tell me which is the cheapest source of Xgal? > Thanks in advance. > Kathy Cheah > HRMBDKC at HKUCC.BITNET We found IBI to be a pretty cheap source for x-gal. 1-800-243-2555 Martin Leach