Re: [ccp4bb]: Disulfide bridge

[Mary Li <maryli12@yahoo.com>]

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Hi there,

I did see one S-Zn-S structure (Ref. Structure 1999,
Vol7 No 11, p1365-1372, PDB code 3eip).  The paper
also gave some details how they determined it. 

Cheers,
Mary

--- deh22@cornell.edu wrote:
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> visit the  ***
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> 
> Dear all,
> 
> Has anyone ever seen a disulfide bridge that looks
> something like this:
> 
> Cys-S-?-S-Cys
> 
> If I force the disulfide bridge, the geometry does
> not fit the density
> at all.  If I let the sulfurs fit into the density
> correctly, the
> geometry does not work for a disulfide, although
> there is very clear
> density between the sulfurs.
> 
> Any suggestions?
> 
> Thanks,
> Darrell Hurt


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