Vandana Kukshal wrote:
i want to link AMP covalently with lysine in my structure (phosphoamide bond)how i will do this in coot and refmac .in turbo there is option make bond but in this no option is there .
The issue here is there there is no dictionary definition of the bond between AMP and LYS. Have a look at the Refmac dictionary list/mon_lib_list.cif and compose your own link along the lines of those in the data_link_list.
Paul.
