Matrix of similar interfaces for 3D-footprint entry 8b4b_W

_ stats: contacts=5 Nring=2 specif=0.40
_ PDBs:  1:6fqp_B,
_ -lnE:  1:7.0,
_        1
0072 Q* NC
0075 S* IC
0076 T  NA
0079 K  RG
0080 M  RG