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

_ stats: contacts=3 Nring=1 specif=0.33
_ PDBs:  1:1zla_C,2:8txv_G,3:8u14_G,4:6a5l_g,5:5x0y_G,6:8smw_G,7:8ox0_C,
_ PDBs:  8:8jla_C,9:8kcb_A,10:8hr1_E,11:6g0l_D,12:8grq_A,
_ -lnE:  1:15.2,2:15.2,3:15.2,4:15.2,5:15.2,6:15.2,7:15.2,8:15.2,
_ -lnE:  9:13.2,10:9.5,11:9.5,12:9.4,
_        1 2 3 4 5 6 7 8 9101112
0028 R* RARGRTRARGRTRGRGRGRT--RT
0061 K  --------------------RA--
0063 R  ------RA--------RG------