Matrix of similar interfaces for 3D-footprint entry 7ej7_B

_ stats: contacts=4 Nring=3 specif=0.75
_ PDBs:  1:8amd_A,2:8dtp_F,
_ -lnE:  1:23.2,2:20.3,
_        1 2
0216 L* VTNT
0221 Q  RT--
0249 S* ET--
0251 P* VT--