Matrix of similar interfaces for 3D-footprint entry 3x1t_G

_ stats: contacts=2 Nring=1 specif=0.50
_ PDBs:  1:8he5_a,2:8siy_G,
_ -lnE:  1:9.8,2:9.7,
_        1 2
0014 G  LG--
0028 R* RART