COX-1 COX-2
Site 1 Site 2 Site 3 Site 1 Site 2 Site 3
ASN 36 TYR 150 VAL 118 ASN 19 TYR 134 ALA 185
CYS 38 ALA 201 ARG 122 CYS 22 THR 192 PHE 186
CYS 39 PHE 202 TYR 350 SER 23 HIS 193 ALA 188
TYR 41 ALA 204 VAL 351 ASN 24 PHE 196 GLN 189
PRO 42 GLN 205 LEU 354 PRO 25 LYS 197 THR 192
CYS 43 THR 208 SER 355 CYS 26 THR 198 HIS 193
GLN 44 HIS 209 TYR 357 GLN 27 ASP 199 PHE 196
ASN 45 PHE 212 LEU 361 ASN 28 HIS 200 ASN 368
GLN 46 LYS 213 PHE 383 ARG 29 LYS 201 TYR 371
GLY 47 THR 214 LEU 386 GLY 30 ARG 208 HIS 372
VAL 48 LEU 296 TYR 387 GLU 31 ASN 217 TRP 373
CYS 49 TYR 350 TRP 389 CYS 32 HIS 218 HIS 374
VAL 50 ASN 384 PHE 520 MET 33 GLY 221 LEU 377
ARG 63 TYR 387 MET 524 SER 34 GLU 222  
THR 64 HIS 388 ILE 525 ASP 111 THR 223  
TYR 66 TRP 389 GLY 528 THR 115 ARG 226  
ARG 81 HIS 390 ALA 529 TYR 116 GLY 274  
LEU 125 LEU 392 SER 532 GLY 121 GLN 275  
PRO 127 MET 393 LEU 533 TYR 122 GLU 276  
THR 131 PHE 397   LYS 123 VAL 277  
TYR 132 TYR 406   ALA 137 ASN 368  
ASP 137 PHE 409   LEU 138 HIS 372  
TYR 138 LEU 410   PRO 140    
ILE 139 VAL 446   VAL 141    
ILE 153     ALA 142    
LEU 154     CYS 145    
PRO 155     MET 149    
SER 156     GLY 150    
VAL 157     GLN 447    
PRO 158     GLU 451    
LYS 159     TYR 452    
GLN 463     LYS 454    
GLU 467     ARG 455    
LYS 470     SER 457    
ARG 471          
PHE 472          
GLY 473          
Table 3: 3 best predicted active sites for COX1 and COX2 from 10 predicted sites obtained from Qsite Finder http://www.modelling.leeds.ac.uk/qsitefinder/.