Matrix of similar interfaces for 3D-footprint entry 6tc9_A

_ stats: contacts=7 Nring=5 specif=0.71
_ PDBs:  1:6tc9_A,2:3gpu_A,3:6lwd_G,
_ -lnE:  1:33.2,2:29.5,3:20.4,
_        1 2 3
0031 R* RT----
0071 G  --RA--
0072 M* MG--MG
0110 P  ----IT
0111 R* RCRGRC
0113 F* FCFTFG
0248 R* RTRARG