Matrix of similar interfaces for 3D-footprint entry 6c31_A

_ stats: contacts=8 Nring=6 specif=0.75
_ PDBs:  1:6c31_A,2:5vl9_A,
_ -lnE:  1:25.3,2:17.9,
_        1 2
0002 Q* QT--
0031 T  --VT
0032 P* PTRG
0041 T* TCAT
0042 R* RG--
0044 A  --QT
0046 Y* YGHT
0047 H* HAHT