Matrix of similar interfaces for 3D-footprint entry 2kmk_A

_ stats: contacts=12 Nring=8 specif=0.67
_ PDBs:  1:8cuc_F,2:2drp_D,
_ -lnE:  1:8.0,2:7.9,
_        1 2
0011 K  ST--
0014 S* SA--
0018 T  IT--
0040 Q* TTHT
0041 K  --IT
0042 S* --ST
0043 D* NANA
0045 K  --CT
0046 K* VTRG
0068 Q* --RG
0070 S* --DC
0071 N* --NA