Matrix of similar interfaces for 3D-footprint entry 8a3y_a

_ stats: contacts=9 Nring=3 specif=0.33
_ PDBs:  1:3kwq_E,2:6pww_K,3:7unc_a,4:7zs9_e,5:6iy2_A,6:4xzq_E,7:7ccr_A,
_ PDBs:  8:7y7i_E,9:7nkx_f,10:7xyf_B,11:3wkj_D,12:7kbd_C,13:7cvo_A,
_ -lnE:  1:14.3,2:14.3,3:14.3,4:14.3,5:14.3,6:14.1,7:14.0,8:13.9,
_ -lnE:  9:10.4,10:10.3,11:9.8,12:9.4,13:9.4,
_        1 2 3 4 5 6 7 8 910111213
0001 H  HA--------HA--HG----------
0002 R* RARTRTRGRGRARCRG----------
0003 Y  ----------YTYAYG----------
0004 R  --RG----------------------
0027 L* LT--LA----LT--QC----------
0030 Q  ------------------------KT
0031 R  --------------------IT----
0045 R* RC--RGRTRGRCRGRG--RC--RT--
0079 V  ----------------KG--------