Matrix of similar interfaces for 3D-footprint entry 7rva_C

_ stats: contacts=7 Nring=2 specif=0.29
_ PDBs:  1:2c6y_A,
_ -lnE:  1:8.0,
_        1
0063 K* NA
0064 D  ST
0066 R* RG
0067 Q  HT
0070 K  ST
0071 S  LT
0098 G  KA