Matrix of similar interfaces for 3D-footprint entry 7k6p_D

_ stats: contacts=2 Nring=1 specif=0.50
_ PDBs:  1:9fgq_D,2:8u14_G,3:8txv_G,
_ -lnE:  1:13.6,2:10.7,3:9.9,
_        1 2 3
0001 R* RT----
0021 G  --RTRG