Matrix of similar interfaces for 3D-footprint entry 6h3r_A

_ stats: contacts=3 Nring=3 specif=1.00
_ PDBs:  1:6h3r_A,2:5od6_A,
_ -lnE:  1:17.2,2:16.9,
_        1 2
0064 R* RGRG
0066 Q* QAQC
0071 K* KAKG