Re: [ccp4bb] DNA RNA annealing problem

2015-07-07 Thread DUMAS Philippe (VIE)
Le Mardi 7 Juillet 2015 14:03 CEST, Almudena Ponce Salvatierra a écrit: Hello Do you have full complementarity of DNA and RNA ? Does the difference in lenght (17 nt/19 nt) mean that you have a bulge on the DNA when the duplex is formed ? In short, what is the Tm of this duplex at these strand

Re: [ccp4bb] In search of an article

2014-11-03 Thread DUMAS Philippe (VIE)
uniform > > background in the X-ray diffraction patterns. > > > > I do not have a copy, but if I remember well it was done with a copper > > wire, hair and nylon > > loops came later. > > Daniel > > > > > > > > Le 03/11/2014 18:23, DUMAS Philippe (VIE) a

[ccp4bb] In search of an article

2014-11-03 Thread DUMAS Philippe (VIE)
I am looking for the reference of this little paper (in J. Appl. Cryst ?) describing how to make a loop and fish crystals... You know, this kind of humble method used by all crystallographers (apart FEL users). Thank you in advance Philippe Dumas

Re: [ccp4bb] ITC with unfolded proteins

2014-03-14 Thread DUMAS Philippe (VIE)
Le Vendredi 14 Mars 2014 13:37 CET, Anita P a écrit: Anita, If one of the partners is indeed more or less unfolded before interaction, then you should see a negative DeltaS upon complex formation. Practically, I would try first putting the unfolded protein in the cell and the folded one in t

[ccp4bb] Information on enzymes involved in TPP biosynthesis

2013-12-06 Thread DUMAS Philippe (VIE)
Dear all, By some extraordinary chance, could someone provide me information about the temperature dependence of two E. coli enzymes: (1) Hydroxyethythiazole kinase: EC 2.7.1.50 (encoded by the gene thiM) (2) Enzyme participating in the synthesis of 4-amino-5-hydroxymethyl pyrimidine phosphate