Re: [ccp4bb] Structural importance of ordered water?

2008-06-18 Thread Ian Tickle
> -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Sanishvili, Ruslan > Sent: 17 June 2008 22:17 > To: Nave, C (Colin); CCP4BB@JISCMAIL.AC.UK > Cc: Richard Gillilan > Subject: RE: [ccp4bb] Structural importance of ordered water

Re: [ccp4bb] Structural importance of ordered water?

2008-06-18 Thread McEwan Paul
Title: Re: [ccp4bb] Fw: Re: [ccp4bb] Structural importance of ordered water? Some work has been done on collagen regarding its hydration structure: (crystal data) Bella, J. Brodsky, B. Berman, H.M..  Structure (3), 893-906 1995 (NMR) Peto, S. Gillis, P. Henri, V.P. . Biophys J. (57), 71-84

Re: [ccp4bb] Fw: Re: [ccp4bb] Structural importance of ordered water?

2008-06-18 Thread Bryan W. Lepore
On Wed, 18 Jun 2008, Paul Kraft wrote: Are there any reports of the comparison of the number of bound waters in crystal structures vs NMR structures? Paul Kraft this is discussed inter alia in : Mattos, C. & Ringe, D., Solvent Structure, in International Tables for Crystallography (Rossman,

[ccp4bb] Fw: Re: [ccp4bb] Structural importance of ordered water?

2008-06-18 Thread Paul Kraft
waters in crystal structures vs NMR structures? Paul Kraft --- On Tue, 6/17/08, Sanishvili, Ruslan <[EMAIL PROTECTED]> wrote: From: Sanishvili, Ruslan <[EMAIL PROTECTED]> Subject: Re: [ccp4bb] Structural importance of ordered water? To: CCP4BB@JISCMAIL.AC.UK Date: Tuesday, June 17, 2008,

Re: [ccp4bb] Structural importance of ordered water?

2008-06-17 Thread Dima Klenchin
Direct hydrogen bonds between sidechains are obviously important to structural stability in proteins. From time to time I see cases of water-mediated bonds in which a single water molecule seems to play an important role (sometimes taking the place of a missing ligand atom in an apo structure, for

Re: [ccp4bb] Structural importance of ordered water?

2008-06-17 Thread Sanishvili, Ruslan
Subject: Re: [ccp4bb] Structural importance of ordered water? Richard Not sure about chains but mutual hydrogen bonded networks (you mention networks) between protein, water (and ligand) surely occur. I think most self respecting waters would try and form more then two hydrogen bonds (rather th

Re: [ccp4bb] Structural importance of ordered water?

2008-06-17 Thread Nave, C (Colin)
Richard Not sure about chains but mutual hydrogen bonded networks (you mention networks) between protein, water (and ligand) surely occur. I think most self respecting waters would try and form more then two hydrogen bonds (rather then just be part of a chain) though one might not see all the (per