Matrix of similar interfaces for 3D-footprint entry 7y3l_A

_ stats: contacts=9 Nring=5 specif=0.56
_ PDBs:  1:8ssq_A,2:7ysf_A,3:7y3m_I,
_ -lnE:  1:8.7,2:8.5,3:8.2,
_        1 2 3
0013 S  --YT--
0015 S* YCSCSA
0016 A  KG----
0019 I* RGRT--
0041 T* QARTTT
0043 G  --SA--
0044 N* TCHGNA
0047 V* --RGVT
0051 T  ----RT