Matrix of similar interfaces for 3D-footprint entry 1a1i_A

_ stats: contacts=16 Nring=12 specif=0.75
_ PDBs:  1:1g2d_F,2:2i13_A,3:1f2i_J,4:2drp_D,
_ -lnE:  1:12.7,2:12.5,3:8.0,4:7.9,
_        1 2 3 4
0015 R* QA--RG--
0017 A  TCKGDC--
0018 D* NADCEC--
0021 R* --RGRG--
0043 R* QAQARGHT
0044 S* HTRG--IT
0045 D* TTATDCST
0046 H* --NAHGNA
0048 T  ------CT
0049 T* QA----RG
0071 R* TTQA--RG
0072 S  LA------
0073 D* HGAT--DC
0074 E* TCHG--NA
0076 K  DT------
0077 R* RG------