Matrix of similar interfaces for 3D-footprint entry 7k63_H

_ stats: contacts=2 Nring=1 specif=0.50
_ PDBs:  1:9fgq_D,2:8u14_G,3:8txv_G,
_ -lnE:  1:13.6,2:10.8,3:10.4,
_        1 2 3
0003 R* RT----
0023 G  --RTRG