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

_ stats: contacts=5 Nring=2 specif=0.40
_ PDBs:  1:7d8t_A,2:7xhv_B,3:7xi3_B,
_ -lnE:  1:8.7,2:8.3,3:8.1,
_        1 2 3
0004 R* HGTCTA
0005 N  NT----
0008 E* ECSGSA
0011 R  RCRGRG
0012 R  RGRGRG