Matrix of similar interfaces for 3D-footprint entry 1s9k_E

_ stats: contacts=12 Nring=4 specif=0.33
_ PDBs:  1:1hjb_A,2:1h89_A,3:1a02_F,4:1gu4_B,5:1s9k_E,6:2c9l_Z,
_ -lnE:  1:7.9,2:7.9,3:7.9,4:7.9,5:7.9,6:7.1,
_        1 2 3 4 5 6
0002 R  RARA--RA----
0005 N* NTNA--NANC--
0006 R  ------NC--NC
0007 I  ----NC------
0008 A* AAAA--ATAT--
0009 A  VTVT--VT--AT
0010 S  ----AA----AT
0011 K  ----AT------
0012 C* STST--STCT--
0013 R* RGRG--RGRAST
0014 K  ----------RG
0015 R  ----RT------