Matrix of similar interfaces for 3D-footprint entry 6ar1_A

_ stats: contacts=2 Nring=1 specif=0.50
_ PDBs:  1:8oz7_A,2:8r0s_A,
_ -lnE:  1:17.7,2:14.3,
_        1 2
0189 Q  --FA
0219 Y* YA--