Re: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers

2008-03-31 Thread price
In the end, we're solving all these structures because we believe (or at least hope) that they'll be useful for understanding biology. That means that biologists should be able to understand what we deposit. When I've tried to teach undergraduates what to make of structural models, I find I

Re: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers

2008-03-31 Thread Ian J. Tickle
] -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Winn, MD (Martyn) Sent: 29 March 2008 20:56 To: Robbie Joosten; CCP4BB@JISCMAIL.AC.UK Subject: RE: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers I believe the simplest and most honest thing

Re: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers

2008-03-31 Thread Ethan Merritt
On Monday 31 March 2008 08:58, [EMAIL PROTECTED] wrote: In the end, we're solving all these structures because we believe (or at least hope) that they'll be useful for understanding biology. That means that biologists should be able to understand what we deposit. Agreed, but... When

Re: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers

2008-03-31 Thread Martyn Winn
Joosten; CCP4BB@JISCMAIL.AC.UK Subject: RE: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers I believe the simplest and most honest thing to deposit are the parameters of your model, viz the TLS parameters and the residual B factors. Derived quantities should be calculated as and when

Re: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers

2008-03-31 Thread Charlie Bond
[EMAIL PROTECTED] wrote: In the end, we're solving all these structures because we believe (or at least hope) that they'll be useful for understanding biology. That means that biologists should be able to understand what we deposit. The problem is that we seem to want a format which is

[ccp4bb] Rant: B vs TLS, anisou, and PDB headers

2008-03-29 Thread Frank von Delft
Just spent an hour trawling docs, BBs (recent threads) and logs to figure out what the hell my B column is telling me (phenix vs refmac vs pdb). Oh dear, it's a disaster area, quite Heissenbergian... the most important number (uncertainty) is itself unknowable: * Phenix writes total ADP,

[ccp4bb] Rant: B vs TLS, anisou, and PDB headers

2008-03-29 Thread Robbie Joosten
. Cheers, Robbie Joosten From: Winn, MD (Martyn) [EMAIL PROTECTED] Sent: Saturday, March 29, 2008 20:57 To: CCP4BB@JISCMAIL.AC.UK Subject: Re: [ccp4bb] [phenixbb] Rant: B vs TLS, anisou, and PDB headers 2) All you need to reproduce the R-factors are the ATOM records and structure factor formula

Re: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers

2008-03-29 Thread Pavel Afonine
On 3/29/2008 1:25 PM, Robbie Joosten wrote: ANISOU records imply that individual anisotropic B-factors were refined This is not always true. Pavel.

Re: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers

2008-03-29 Thread Winn, MD (Martyn)
what you are starting with. m -Original Message- From: CCP4 bulletin board on behalf of Robbie Joosten Sent: Sat 3/29/2008 8:25 PM To: CCP4BB@JISCMAIL.AC.UK Subject: [ccp4bb] Rant: B vs TLS, anisou, and PDB headers ANISOU records imply that individual anisotropic B-factors were refined