Re: [ccp4bb] off topic-aggregation of proteins

2010-09-07 Thread Michael Thompson
frustrating problem. Mike Thompson - Original Message - From: "joybeiyang" To: CCP4BB@JISCMAIL.AC.UK Sent: Tuesday, September 7, 2010 12:30:04 PM GMT -08:00 US/Canada Pacific Subject: [ccp4bb] off topic-aggregation of proteins Hi everyone, sorry for this none CCP4 question, but I am wor

Re: [ccp4bb] off topic-aggregation of proteins

2010-09-07 Thread Tim Gruene
Dear Bei, You question is not off topic, no apology needed. Have you considered other possibilities than using detergents? A little bit of glycerol might help, or e.g. a different salt, pH, buffer, some additive, or simply salt concentration. I once met a protein which was not soluble much beyon

[ccp4bb] off topic-aggregation of proteins

2010-09-07 Thread joybeiyang
Hi everyone, sorry for this none CCP4 question, but I am working on some tough proteins which easily got aggregated after purification, I am thinking of using some detergents rightnow, however, I am a newbie in this field, could you please give me some advice on the usage of detergents? here is