AMBER Archive (2008)

Subject: AMBER: disulfide bridge with ff03ua FF

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Hi,

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
E-mail: marcin.krol_at_cancer.org.uk
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