Matrix of similar interfaces for 3D-footprint entry 1ig7_A

_ stats: contacts=9 Nring=6 specif=0.67
_ PDBs:  1:2lkx_A,2:1b72_A,3:8osb_E,4:3rkq_B,5:4xrm_B,6:8g87_X,7:6pe2_B,
_ -lnE:  1:8.9,2:8.7,3:8.7,4:8.3,5:8.0,6:7.4,7:7.2,
_        1 2 3 4 5 6 7
0001 K  RA------------
0003 R* RTRTRTRC------
0044 K* ----QT--------
0045 I* VTIAVAIANCVT--
0048 Q* KGQCQTQCRGCC--
0049 N* NANANANA--NA--
0052 A  --MG--YC--QAYC
0053 K  KA----------FA
0056 R* ----------RTKC