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

_ stats: contacts=7 Nring=3 specif=0.43
_ PDBs:  1:1b72_A,2:8osb_E,3:2lkx_A,4:3rkq_B,5:4xrm_B,6:8g87_X,7:6pe2_B,
_ -lnE:  1:8.4,2:8.4,3:8.4,4:7.8,5:7.5,6:7.5,7:7.3,
_        1 2 3 4 5 6 7
0041 K  --QT----------
0042 I* IAVAVTIANCVT--
0045 K* QCQTKGQCRGCC--
0046 N* NANANANA--NA--
0049 A  MG----YC--QAYC
0050 K  ----KA------FA
0053 K  ----------RTKC