Re: [ccp4bb] Regarding difference in ITC and structure data

2020-08-02 Thread Boaz Shaanan
Hi, Just to emphasize Philippe's statement: binding carbohydrates by proteins (lectins or other types) is often, if not exclusively, an entropy driven process. Hence, the low enthalpy contribution that you observe may be real. Maybe. My 2p thoughts. Stay safe. Boaz  

[ccp4bb] Postdoc position at UT Health Science Center, San Antonio, Texas

2020-08-02 Thread Yogesh Gupta
The laboratory of Dr. Yogesh Gupta at University of Texas Health Science Center in San Antonio is seeking an enthusiastic Postdoctoral Fellow to study the structure and function of nucleoproteins in infectious diseases and cancer. We combine structural biology tools (X-ray, cryo-EM, NMR) with cell-

Re: [ccp4bb] Regarding difference in ITC and structure data

2020-08-02 Thread Alexander Aleshin
Hi Monika, Philippe is right, ITC can detect only binding with -dH > ~0.3 kcal/mole (depends on instrument). If the binding is Entropy driven, i.e. TdS >> -dH, than Kd might be quite low, like 20 uM, but ITC would still not detect it (this often happens in mutants). You can try to optimize expe