AMBER: disulfide bridge with ff03ua FF

From: Marcin Krol <>
Date: Thu, 07 Feb 2008 14:50:16 +0000


> I want to create a disulfide bridge using ua ff, but there is no CYX
> residue type. When I tried with CYS leap complained about missing
> parameters for SH-SH bond and angles. In fact, there are no such
> parameters in frcmod.ff03ua. Does it mean that I can't have disulfide
> bridges in ff03ua?
> Thanks in advance for your answers
> Marcin

Dr Marcin Krol
Biomolecular Modelling Laboratory
Cancer Research UK
London Research Institute
44 Lincoln's Inn Fields
London WC2A 3PX
Telephone: 020 7269 3033
Fax:       020 7269 3258
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Received on Sun Feb 10 2008 - 06:07:18 PST
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