Matrix of similar interfaces for 3D-footprint entry 8com_C

_ stats: contacts=5 Nring=1 specif=0.20
_ PDBs:  1:8txv_G,2:7e9c_G,3:8u14_G,4:7xsx_a,5:1jfi_B,6:8kcb_A,
_ -lnE:  1:13.9,2:13.9,3:13.9,4:10.5,5:9.3,6:7.3,
_        1 2 3 4 5 6
0012 V  --------RA--
0013 G  --------AA--
0016 G  --------NA--
0027 R* RGRGRTRA--RG
0064 R  ----------RG