loop_
_pdbx_nonpoly_feature_evidence.ordinal
_pdbx_nonpoly_feature_evidence.comp_id
_pdbx_nonpoly_feature_evidence.label_asym_id
_pdbx_nonpoly_feature_evidence.type
_pdbx_nonpoly_feature_evidence.experimental_support
_pdbx_nonpoly_feature_evidence.details
1 SF4 B 'Group charge' 'Electron paramagnetic resonance spectrometry' ?