[ccp4bb] How to calculate Redundency per shell

2011-01-15 Thread Hussain Bhukyagps
Dear all, Can any one tell me how to calculate redundancies per shell for the given data set here below ShellSummary of observation redundancies by shells: Lower Upper No. of reflections with given No. of observations limit limit 0 1 2 3 4

Re: [ccp4bb] How to calculate Redundency per shell

2011-01-15 Thread Ian Tickle
The average redundancy is defined as: Reflection count before merging / count after merging So assuming the numbers in the first table are the counts after merging, and the number of reflections with redundancy M in one of the table cells is N(M), then for a given shell (or for all

Re: [ccp4bb] How to calculate Redundency per shell

2011-01-15 Thread Edward A. Berry
Hussain Bhukyagps wrote: Dear all, Can any one tell me how to calculate redundancies per shell for the given data set here below ~~~ Dear Hussain, Unless you are using a _really_ old version of scalepack, there is a table of redundancy by shell in between the

[ccp4bb] Structures determined: breakdown of methods

2011-01-15 Thread REX PALMER
Does anyone know of a statistical breakdown of successful protein structure determinations in terms of the method used?   Rex Palmer Birkbeck College

Re: [ccp4bb] Structures determined: breakdown of methods

2011-01-15 Thread David Briggs
Rex, the PDB statistics page at the RCSB may contain the information you seek. http://www.rcsb.org/pdb/static.do?p=general_information/pdb_statistics/index.html HTH, David David C. Briggs PhD Father, Structural Biologist and Sceptic

Re: [ccp4bb] Structures determined: breakdown of methods

2011-01-15 Thread Thomas Juettemann
Is this: http://www.pdb.org/pdb/statistics/holdings.do what you are looking for? On Sat, Jan 15, 2011 at 21:28, REX PALMER rex.pal...@btinternet.com wrote: Does anyone know of a statistical breakdown of successful protein structure determinations in terms of the method used? Rex Palmer

Re: [ccp4bb] Structures determined: breakdown of methods

2011-01-15 Thread Bosch, Juergen
I think he wants to know SeMet / HA / MR / ab initio / fabricated* which is not readily available from the pdb I think. Jürgen *[sarcasm on]this type of structure determination seems to become more popular [/sarcasm off] - Jürgen Bosch Johns Hopkins Bloomberg School of Public Health Department