Matrix of similar interfaces for 3D-footprint entry 1an2_A

_ stats: contacts=10 Nring=4 specif=0.40
_ PDBs:  1:1an2_A,2:5i50_B,3:1nkp_A,4:2ypa_A,5:4zpk_B,6:2ql2_D,7:4zpk_A,
_ -lnE:  1:12.8,2:12.7,3:12.5,4:9.2,5:8.9,6:8.5,7:7.2,
_        1 2 3 4 5 6 7
0002 K  ----KT--------
0003 R  ------RT------
0006 H* HGHGHG------HG
0007 N* NTNTNTNTSTNT--
0009 L  --LG--RG------
0010 E* ETECECEC--ETEC
0011 R  --------AT----
0013 R  --RCRCRC--RCRG
0014 R* RGRCRGQTRTMTRG
0015 D  --------RG----