Matrix of similar interfaces for 3D-footprint entry 1b8i_A

_ stats: contacts=5 Nring=2 specif=0.40
_ PDBs:  1:2qhb_A,
_ -lnE:  1:8.0,
_        1
0043 E  YT
0044 R  VC
0047 K  KG
0048 I* DC
0051 Q* KC