Dear All, Does anyone know if (and how) a bond length can be fixed in refmac5? I am validating a structure, and the C-N bond between two residues in a disorderly part of the structure keeps getting too long. Thanks! and all the best, --Buz |--------------------------------------------------------------| Buz Barstow Biophysics Group Physics Department 192 Clark Hall Cornell University Ithaca, NY 14853 USA Telephone: +1 607 255 8678 Fax: +1 607 255 8751 Email: [log in to unmask] |--------------------------------------------------------------|