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

_ stats: contacts=7 Nring=2 specif=0.29
_ PDBs:  1:8d3l_C,
_ -lnE:  1:25.4,
_        1
0014 H* DC
0048 G  YG
0071 E* KG
0073 M  NT
0168 S  ST
0169 A  FT
0172 S  TT