Adding chymotrypsin to your crystallisations in about 1:100 mass ratio with your protein can help. You can quite easily find some papers on this method. #yiv8007840479 -- filtered {panose-1:2 4 5 3 5 4 6 3 2 4;}#yiv8007840479 filtered {font-family:Calibri;panose-1:2 15 5 2 2 2 4 3 2 4;}#yiv8007840479 filtered {font-family:Consolas;panose-1:2 11 6 9 2 2 4 3 2 4;}#yiv8007840479 p.yiv8007840479MsoNormal, #yiv8007840479 li.yiv8007840479MsoNormal, #yiv8007840479 div.yiv8007840479MsoNormal {margin:0in;margin-bottom:.0001pt;font-size:11.0pt;font-family:sans-serif;}#yiv8007840479 a:link, #yiv8007840479 span.yiv8007840479MsoHyperlink {color:blue;text-decoration:underline;}#yiv8007840479 a:visited, #yiv8007840479 span.yiv8007840479MsoHyperlinkFollowed {color:purple;text-decoration:underline;}#yiv8007840479 pre {margin:0in;margin-bottom:.0001pt;font-size:10.0pt;}#yiv8007840479 p.yiv8007840479msonormal0, #yiv8007840479 li.yiv8007840479msonormal0, #yiv8007840479 div.yiv8007840479msonormal0 {margin-right:0in;margin-left:0in;font-size:11.0pt;font-family:sans-serif;}#yiv8007840479 span.yiv8007840479HTMLPreformattedChar {font-family:Consolas;}#yiv8007840479 span.yiv8007840479EmailStyle21 {font-family:sans-serif;color:windowtext;}#yiv8007840479 .yiv8007840479MsoChpDefault {font-size:10.0pt;}#yiv8007840479 filtered {margin:1.0in 1.0in 1.0in 1.0in;}#yiv8007840479 div.yiv8007840479WordSection1 {}#yiv8007840479
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