Hi all, Iam getting an error while validating my structure in PDB validation server as follows... " No wavelength value was found in SF file " How to edit SF file (mtz) to add wavelength information. Santhosh ######################################################################## To unsubscribe from the CCP4BB list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=CCP4BB&A=1