Matrix of similar interfaces for 3D-footprint entry 5i50_B

_ stats: contacts=7 Nring=6 specif=0.86
_ PDBs:  1:7ssa_L,
_ -lnE:  1:10.2,
_        1
0015 H* HT
0016 N* KT
0018 L* VT
0019 E* EC
0022 R* RT
0023 R* RG
0048 K  KA