Apr_01_237-1 - same as above for Sephadex G-150 enzyme in...

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/0.12 345 67735 3%87 /9 : 4%87 ;9 ;"<$ 4 =>? [email protected] ;"0$. A 3B7C3B3 D1>EF$#1G).H II 123 *456789 J1,"2 KL"#1,")1>, 91E.>-1>2><HCMF$#1G).H N7O68PC6O68P KL"#1,$.% Q.O /O (E>>) ''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' !"#$% ) = D @ ^F") +>$G )F$ $2*)1>, 0.>?12$ ?.># $"EF >? )F$ )F.$$ E>2*#,G )$22 H>* "->*) )F$ 0I >? )F$ $,VH#$a M>2*#, 3 M>2*#, 6 M>2*#, 8 ) = 4 @ I? )F$ ?."E)1>,G E>,)"1,1,< )F$ 2"E)")$ +$FH+.><$,"G$ R$.$ G*-b$E)$+ )> $2$E).>0F>.$G1G ") 0Y ZO7 RF1EF +1.$E)1>, R>*2+ )F$ $,VH#$ #1<.")$ >, )F$ E$22*2>G$ "E$)")$ G).10a KL02"1, H>*. ",GR$.O ) = H @ I? )F$ $L)."E) R"G ).$")$+ R1)F *.$" ",+ )F$, "0021$+ )> E>2*#, 3 )F$ $,VH#$ "E)1T1)H R>*2+ "00$". 1, ?."E)1>, BO KL02"1, )F1G >-G$.T")1>,O Sephadex G 100 separate molecules based on their MW not charge
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Unformatted text preview: same as above for Sephadex G-150! enzyme in first fraction so PH of 8 > PI or PI <PH of 8 CM-Sephadex is a cation exchanger positively charged proteins will be held on the ion exchanger and -vely charged proteins will wash off. At PHs above the PI. of a protein, the protein will carry a -ve charge and below PI will carry a posoitive one enzyme was in first fraction of column 3 so PI >PH it must be -vely charged so in electrophoresis it goes to the +ve pole ( and depending on it's MW. the distance tot he origin will be determined) urea is powerful protein denaturing agent. it will decrease MW of LDH to somewhere close to 400 so it will take longer to elute urea is uncharged and it will not affect the charge fo the protein .PIBNBE!,BEIJN! 5";!/JDL!8JOUFST...
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