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

_ stats: contacts=6 Nring=0 specif=-1.00
_ PDBs:  1:6s3h_A,2:5vhe_A,
_ -lnE:  1:16.9,2:12.6,
_        1 2
0081 H  HT--
0122 K  --QT
0148 P  VT--
0240 T  RT--
0241 N  --WT
0272 E  PT--