From chemistry-request $#at#$ server.ccl.net Mon Mar 12 18:37:10 2001 Received: from tbone.agouron.com (tbone.agouron.com [198.182.177.3]) by server.ccl.net (8.11.0/8.11.0) with SMTP id f2CNb9w11916 for ; Mon, 12 Mar 2001 18:37:09 -0500 Received: from relay.agouron.com by tbone.agouron.com via smtpd (for server.ccl.net [192.153.40.39]) with SMTP; 12 Mar 2001 23:37:10 UT Received: from quarter.agouron.com (quarter.agouron.com [10.0.7.54]) by dns3.agouron.com (8.9.3/8.9.3) with ESMTP id PAA41129; Mon, 12 Mar 2001 15:39:30 -0800 (PST) Received: by quarter.agouron.com with Internet Mail Service (5.5.2650.21) id ; Mon, 12 Mar 2001 15:36:17 -0800 Message-ID: <074CA135830AD411BA7A00D0B741D25A021FAE55 -x- at -x- CAMBIO> From: "Burke, Ben" To: "'Danilo Gonzalez'" , CHEMISTRY ^at^ ccl.net Subject: RE: Ligand binding to protein (DeltaH=0) Date: Mon, 12 Mar 2001 15:36:38 -0800 Dear Danilo: The post from David Turner titled "Protease Inhibitors Entropy/Enthalpy" has a number of examples where the reaction is entropically driven (but the enthalpy was not necessarily equal to 0.00). It was posted a couple of weeks ago (2/27). The Freire articles outline some nice thermodynamic characterization of these systems. Best to you, --Ben ---------------------------------------------------------------------- Benjamin J. Burke Pfizer Global R&D La Jolla burke ^%at%^ agouron.com Senior Scientist 10777 Science Center Dr Tel (858)622-3018 Computational Chemistry San Diego,CA 92121-1111 FAX (858)678-8244 -----Original Message----- From: Danilo Gonzalez [mailto:fgonzale ^%at%^ lauca.usach.cl] Sent: Friday, March 02, 2001 8:52 AM To: CHEMISTRY %-% at %-% ccl.net Subject: CCL:Ligand binding to protein (DeltaH=0) I'm looking for references about systems where ligand binding to protein is carried out with Delta H = 0, that is, where the process is Entropically driven.