Chromatography Electrophoresis Fig.l. Electrophoresis at pH 1.9 followed by chromatography in the mixture butanol- acetic acid-water(12:%3:5). 1,2,basic amino acids;},gly;4,ala;3,val;6,leu;7,8,"B"; 9,phe;10,tyr;11,pro;12,glu;l3,asp;l4,ser. 1254