Matrix of similar interfaces for 3D-footprint entry 1r8d_B

_ stats: contacts=4 Nring=4 specif=1.00
_ PDBs:  1:6ldi_G,2:1r8e_A,
_ -lnE:  1:15.2,2:15.0,
_        1 2
0016 R* KGKC
0019 H* RTRT
0020 H* FC--
0037 Y* YGYC