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

_ stats: contacts=5 Nring=2 specif=0.40
_ PDBs:  1:7p0w_A,
_ -lnE:  1:15.3,
_        1
0045 L  YT
0046 T  QT
0083 R* RT
0084 F* LA
0087 K  QT