loop_
_pdbx_nonpoly_feature_evidence.ordinal
_pdbx_nonpoly_feature_evidence.label_asym_id
_pdbx_nonpoly_feature_evidence.label_seq_id
_pdbx_nonpoly_feature_evidence.label_comp_id
_pdbx_nonpoly_feature_evidence.auth_asym_id
_pdbx_nonpoly_feature_evidence.auth_seq_id
_pdbx_nonpoly_feature_evidence.auth_comp_id
_pdbx_nonpoly_feature_evidence.PDB_ins_code
_pdbx_nonpoly_feature_evidence.type
_pdbx_nonpoly_feature_evidence.experimental_support
_pdbx_nonpoly_feature_evidence.details
1 B . SF4 A 86 SF4 ? 'Group charge' 'Electron paramagnetic resonance spectrometry' ?