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

_ stats: contacts=4 Nring=0 specif=-1.00
_ PDBs:  1:6qld_f,2:1zla_C,3:8jla_C,4:8smw_G,5:8u14_G,6:5x0y_G,7:8txv_G,
_ PDBs:  8:8ox0_C,9:6a5l_g,10:8rbx_M,11:7unc_a,12:6g0l_D,13:8grq_A,14:8bvw_e,
_ PDBs:  15:7xsx_a,16:8hr1_E,
_ -lnE:  1:11.8,2:11.4,3:11.4,4:11.2,5:11.2,6:11.2,7:11.2,8:11.2,
_ -lnE:  9:11.0,10:10.6,11:10.4,12:10.2,13:10.2,14:10.2,15:10.1,16:9.8,
_        1 2 3 4 5 6 7 8 910111213141516
0007 P  --------------------LA----LC--LC
0020 R  RCRARGRTRTRGRGRGRARARG--RT--RART
0053 R  ----------------------RA--------
0055 T  ----------------RA--------------