1f62 OPM family 62 OPM protein 1vfy Available protein structures: Pfam structures PDB RCSB PDB ; PDBe PDBsum structure summary The PHD finger (Plant Homeo Domain ) was discovered in 1993 as a Cys 4 -His-Cys 3 motif in the homeodomain protein HAT3 in Arabidopsis thaliana. The PHD finger motif resembles