Matrix of similar interfaces for 3D-footprint entry 5mey_A

_ stats: contacts=3 Nring=2 specif=0.67
_ PDBs:  1:5od6_A,2:6h3r_A,
_ -lnE:  1:16.8,2:16.6,
_        1 2
0066 R  RGRG
0068 Q* QCQA
0073 K* KGKA