to_mmcif: if REMARKs 200/230/240 were absent use EXPDTA for _exptl.method
to_mmcif: if REMARKs 200/230/240 were absent use EXPDTA for _exptl.method

project-gemmi/gemmi,project-gemmi/gemmi,project-gemmi/gemmi,project-gemmi/gemmi