Matrix of similar interfaces for 3D-footprint entry 3m4a_A

_ stats: contacts=7 Nring=0 specif=-1.00
_ PDBs:  1:2h7g_X,2:1a31_A,
_ -lnE:  1:21.9,2:18.6,
_        1 2
0106 S  KGNC
0108 I  KG--
0109 Y  YG--
0140 K  KTKA
0184 S  ET--
0185 T  RG--
0188 N  YG--