HEADSC 3eh7 SEQCRD A S SER --- 1 - - - 0 SEQCRD A N ASN --- 2 - - - 0 SEQCRD A A ALA ALA 3 0 C C 0 SEQCRD A X MSE MSE 4 1 C C 0 SEQCRD A K LYS LYS 5 2 C C 0 SEQCRD A D ASP ASP 6 3 C C 0 SEQCRD A V VAL VAL 7 4 C C 0 SEQCRD A L LEU LEU 8 5 H H 0 SEQCRD A A ALA ALA 9 6 H H 0 SEQCRD A E GLU GLU 10 7 H H 0 SEQCRD A Y TYR TYR 11 8 H H 0 SEQCRD A A ALA ALA 12 9 H H 0 SEQCRD A S SER SER 13 10 H H 0 SEQCRD A R ARG ARG 14 11 C C 0 SEQCRD A I ILE ILE 15 12 E E 0 SEQCRD A V VAL VAL 16 13 E E 0 SEQCRD A S SER SER 17 14 H H 0 SEQCRD A A ALA ALA 18 15 H H 0 SEQCRD A E GLU GLU 19 16 H H 0 SEQCRD A E GLU GLU 20 17 H H 0 SEQCRD A A ALA ALA 21 18 H H 0 SEQCRD A V VAL VAL 22 19 H H 0 SEQCRD A K LYS LYS 23 20 H H 0 SEQCRD A H HIS HIS 24 21 C C 0 SEQCRD A I ILE ILE 25 22 C C 0 SEQCRD A K LYS LYS 26 23 C C 0 SEQCRD A N ASN ASN 27 24 C C 0 SEQCRD A G GLY GLY 28 25 C C 0 SEQCRD A E GLU GLU 29 26 C C 0 SEQCRD A R ARG ARG 30 27 E E 0 SEQCRD A V VAL VAL 31 28 E E 0 SEQCRD A A ALA ALA 32 29 E E 0 SEQCRD A L LEU LEU 33 30 E E 0 SEQCRD A S SER SER 34 31 C C 0 SEQCRD A H HIS HIS 35 32 H H 0 SEQCRD A A ALA ALA 36 33 H H 0 SEQCRD A A ALA ALA 37 34 H H 0 SEQCRD A G GLY GLY 38 35 H H 0 SEQCRD A V VAL VAL 39 36 H H 0 SEQCRD A P PRO PRO 40 37 H H 0 SEQCRD A Q GLN GLN 41 38 H H 0 SEQCRD A S SER SER 42 39 H H 0 SEQCRD A C CYS CYS 43 40 H H 0 SEQCRD A V VAL VAL 44 41 H H 0 SEQCRD A D ASP ASP 45 42 H H 0 SEQCRD A A ALA ALA 46 43 H H 0 SEQCRD A L LEU LEU 47 44 H H 0 SEQCRD A V VAL VAL 48 45 H H 0 SEQCRD A Q GLN GLN 49 46 H H 0 SEQCRD A Q GLN GLN 50 47 H H 0 SEQCRD A A ALA ALA 51 48 C C 0 SEQCRD A D ASP ASP 52 49 C C 0 SEQCRD A L LEU LEU 53 50 C C 0 SEQCRD A F PHE PHE 54 51 C C 0 SEQCRD A Q GLN --- 55 - - - 0 SEQCRD A N ASN --- 56 - - - 0 SEQCRD A V VAL VAL 57 54 C C 0 SEQCRD A E GLU GLU 58 55 E E 0 SEQCRD A I ILE ILE 59 56 E E 0 SEQCRD A Y TYR TYR 60 57 E E 0 SEQCRD A H HIS HIS 61 58 C C 0 SEQCRD A X MSE MSE 62 59 C C 0 SEQCRD A L LEU LEU 63 60 C C 0 SEQCRD A C CYS CYS 64 61 C C 0 SEQCRD A L LEU LEU 65 62 C C 0 SEQCRD A G GLY GLY 66 63 C C 0 SEQCRD A E GLU GLU 67 64 C C 0 SEQCRD A G GLY GLY 68 65 C C 0 SEQCRD A K LYS --- 69 - - - 0 SEQCRD A Y TYR --- 70 - - - 0 SEQCRD A X MSE --- 71 - - - 0 SEQCRD A A ALA --- 72 - - - 0 SEQCRD A P PRO --- 73 - - - 0 SEQCRD A E GLU --- 74 - - - 0 SEQCRD A X MSE --- 75 - - - 0 SEQCRD A A ALA --- 76 - - - 0 SEQCRD A P PRO --- 77 - - - 0 SEQCRD A H HIS --- 78 - - - 0 SEQCRD A F PHE --- 79 - - - 0 SEQCRD A R ARG --- 80 - - - 0 SEQCRD A H HIS --- 81 - - - 0 SEQCRD A I ILE --- 82 - - - 0 SEQCRD A T THR --- 83 - - - 0 SEQCRD A N ASN --- 84 - - - 0 SEQCRD A F PHE --- 85 - - - 0 SEQCRD A V VAL --- 86 - - - 0 SEQCRD A G GLY --- 87 - - - 0 SEQCRD A G GLY --- 88 - - - 0 SEQCRD A N ASN --- 89 - - - 0 SEQCRD A S SER --- 90 - - - 0 SEQCRD A R ARG --- 91 - - - 0 SEQCRD A K LYS --- 92 - - - 0 SEQCRD A A ALA --- 93 - - - 0 SEQCRD A V VAL --- 94 - - - 0 SEQCRD A E GLU --- 95 - - - 0 SEQCRD A E GLU --- 96 - - - 0 SEQCRD A N ASN --- 97 - - - 0 SEQCRD A R ARG ARG 98 95 C C 0 SEQCRD A A ALA ALA 99 96 C C 0 SEQCRD A D ASP ASP 100 97 C C 0 SEQCRD A F PHE PHE 101 98 C C 0 SEQCRD A I ILE ILE 102 99 C C 0 SEQCRD A P PRO PRO 103 100 C C 0 SEQCRD A V VAL VAL 104 101 C C 0 SEQCRD A F PHE PHE 105 102 H H 0 SEQCRD A F PHE PHE 106 103 H H 0 SEQCRD A Y TYR TYR 107 104 H H 0 SEQCRD A E GLU GLU 108 105 H H 0 SEQCRD A V VAL VAL 109 106 H H 0 SEQCRD A P PRO PRO 110 107 H H 0 SEQCRD A S SER SER 111 108 H H 0 SEQCRD A X MSE MSE 112 109 H H 0 SEQCRD A I ILE ILE 113 110 H H 0 SEQCRD A R ARG ARG 114 111 H H 0 SEQCRD A K LYS LYS 115 112 H H 0 SEQCRD A D ASP ASP 116 113 C C 0 SEQCRD A I ILE ILE 117 114 C C 0 SEQCRD A L LEU LEU 118 115 C C 0 SEQCRD A H HIS HIS 119 116 C C 0 SEQCRD A I ILE ILE 120 117 C C 0 SEQCRD A D ASP ASP 121 118 C C 0 SEQCRD A V VAL VAL 122 119 E E 0 SEQCRD A A ALA ALA 123 120 E E 0 SEQCRD A I ILE ILE 124 121 E E 0 SEQCRD A V VAL VAL 125 122 E E 0 SEQCRD A Q GLN GLN 126 123 E E 0 SEQCRD A L LEU LEU 127 124 E E 0 SEQCRD A S SER SER 128 125 C C 0 SEQCRD A X MSE MSE 129 126 C C 0 SEQCRD A P PRO PRO 130 127 C C 0 SEQCRD A D ASP ASP 131 128 C C 0 SEQCRD A E GLU GLU 132 129 C C 0 SEQCRD A N ASN ASN 133 130 C C 0 SEQCRD A G GLY GLY 134 131 C C 0 SEQCRD A Y TYR TYR 135 132 E E 0 SEQCRD A C CYS CYS 136 133 E E 0 SEQCRD A S SER SER 137 134 E E 0 SEQCRD A F PHE PHE 138 135 C C 0 SEQCRD A G GLY GLY 139 136 C C 0 SEQCRD A V VAL VAL 140 137 C C 0 SEQCRD A S SER SER 141 138 C C 0 SEQCRD A C CYS CYS 142 139 C C 0 SEQCRD A D ASP ASP 143 140 C C 0 SEQCRD A Y TYR TYR 144 141 H H 0 SEQCRD A S SER SER 145 142 H H 0 SEQCRD A K LYS LYS 146 143 H H 0 SEQCRD A P PRO PRO 147 144 H H 0 SEQCRD A A ALA ALA 148 145 H H 0 SEQCRD A A ALA ALA 149 146 H H 0 SEQCRD A E GLU GLU 150 147 H H 0 SEQCRD A S SER SER 151 148 H H 0 SEQCRD A A ALA ALA 152 149 H H 0 SEQCRD A H HIS HIS 153 150 C C 0 SEQCRD A L LEU LEU 154 151 E E 0 SEQCRD A V VAL VAL 155 152 E E 0 SEQCRD A I ILE ILE 156 153 E E 0 SEQCRD A G GLY GLY 157 154 E E 0 SEQCRD A E GLU GLU 158 155 E E 0 SEQCRD A I ILE ILE 159 156 E E 0 SEQCRD A N ASN ASN 160 157 E E 0 SEQCRD A R ARG ARG 161 158 C C 0 SEQCRD A Q GLN GLN 162 159 C C 0 SEQCRD A X MSE MSE 163 160 C C 0 SEQCRD A P PRO PRO 164 161 C C 0 SEQCRD A Y TYR TYR 165 162 C C 0 SEQCRD A V VAL VAL 166 163 C C 0 SEQCRD A H HIS HIS 167 164 E E 0 SEQCRD A G GLY GLY 168 165 E E 0 SEQCRD A D ASP ASP 169 166 C C 0 SEQCRD A N ASN ASN 170 167 C C 0 SEQCRD A L LEU LEU 171 168 E E 0 SEQCRD A I ILE ILE 172 169 E E 0 SEQCRD A H HIS HIS 173 170 E E 0 SEQCRD A I ILE ILE 174 171 C C 0 SEQCRD A S SER SER 175 172 H H 0 SEQCRD A K LYS LYS 176 173 H H 0 SEQCRD A L LEU LEU 177 174 H H 0 SEQCRD A D ASP ASP 178 175 C C 0 SEQCRD A Y TYR TYR 179 176 E E 0 SEQCRD A I ILE ILE 180 177 E E 0 SEQCRD A V VAL VAL 181 178 E E 0 SEQCRD A X MSE MSE 182 179 E E 0 SEQCRD A A ALA ALA 183 180 E E 0 SEQCRD A D ASP ASP 184 181 C C 0 SEQCRD A Y TYR TYR 185 182 C C 0 SEQCRD A P PRO PRO 186 183 C C 0 SEQCRD A I ILE ILE 187 184 C C 0 SEQCRD A Y TYR TYR 188 185 C C 0 SEQCRD A S SER SER 189 186 C C 0 SEQCRD A L LEU LEU 190 187 C C 0 SEQCRD A A ALA ALA 191 188 C C 0 SEQCRD A K LYS LYS 192 189 C C 0 SEQCRD A P PRO PRO 193 190 C C 0 SEQCRD A K LYS LYS 194 191 C C 0 SEQCRD A I ILE ILE 195 192 C C 0 SEQCRD A G GLY GLY 196 193 H H 0 SEQCRD A E GLU GLU 197 194 H H 0 SEQCRD A V VAL VAL 198 195 H H 0 SEQCRD A E GLU GLU 199 196 H H 0 SEQCRD A E GLU GLU 200 197 H H 0 SEQCRD A A ALA ALA 201 198 H H 0 SEQCRD A I ILE ILE 202 199 H H 0 SEQCRD A G GLY GLY 203 200 H H 0 SEQCRD A R ARG ARG 204 201 H H 0 SEQCRD A N ASN ASN 205 202 H H 0 SEQCRD A C CYS CYS 206 203 H H 0 SEQCRD A A ALA ALA 207 204 H H 0 SEQCRD A E GLU GLU 208 205 H H 0 SEQCRD A L LEU LEU 209 206 H H 0 SEQCRD A I ILE ILE 210 207 C C 0 SEQCRD A E GLU GLU 211 208 C C 0 SEQCRD A D ASP ASP 212 209 C C 0 SEQCRD A G GLY GLY 213 210 C C 0 SEQCRD A A ALA ALA 214 211 C C 0 SEQCRD A T THR THR 215 212 E E 0 SEQCRD A L LEU LEU 216 213 E E 0 SEQCRD A Q GLN GLN 217 214 E E 0 SEQCRD A L LEU LEU 218 215 C C 0 SEQCRD A G GLY GLY 219 216 C C 0 SEQCRD A I ILE ILE 220 217 C C 0 SEQCRD A G GLY GLY 221 218 H H 0 SEQCRD A A ALA ALA 222 219 H H 0 SEQCRD A I ILE ILE 223 220 H H 0 SEQCRD A P PRO PRO 224 221 H H 0 SEQCRD A D ASP ASP 225 222 H H 0 SEQCRD A A ALA ALA 226 223 H H 0 SEQCRD A A ALA ALA 227 224 H H 0 SEQCRD A L LEU LEU 228 225 H H 0 SEQCRD A L LEU LEU 229 226 H H 0 SEQCRD A F PHE PHE 230 227 H H 0 SEQCRD A L LEU LEU 231 228 C C 0 SEQCRD A K LYS LYS 232 229 C C 0 SEQCRD A D ASP ASP 233 230 C C 0 SEQCRD A K LYS LYS 234 231 C C 0 SEQCRD A K LYS LYS 235 232 C C 0 SEQCRD A D ASP ASP 236 233 C C 0 SEQCRD A L LEU LEU 237 234 C C 0 SEQCRD A G GLY GLY 238 235 E E 0 SEQCRD A I ILE ILE 239 236 E E 0 SEQCRD A H HIS HIS 240 237 E E 0 SEQCRD A T THR THR 241 238 C C 0 SEQCRD A E GLU GLU 242 239 C C 0 SEQCRD A X MSE MSE 243 240 E E 0 SEQCRD A F PHE PHE 244 241 E E 0 SEQCRD A S SER SER 245 242 H H 0 SEQCRD A D ASP ASP 246 243 H H 0 SEQCRD A G GLY GLY 247 244 H H 0 SEQCRD A V VAL VAL 248 245 H H 0 SEQCRD A V VAL VAL 249 246 H H 0 SEQCRD A E GLU GLU 250 247 H H 0 SEQCRD A L LEU LEU 251 248 H H 0 SEQCRD A V VAL VAL 252 249 H H 0 SEQCRD A R ARG ARG 253 250 H H 0 SEQCRD A S SER SER 254 251 H H 0 SEQCRD A G GLY GLY 255 252 C C 0 SEQCRD A V VAL VAL 256 253 C C 0 SEQCRD A I ILE ILE 257 254 C C 0 SEQCRD A T THR THR 258 255 C C 0 SEQCRD A G GLY GLY 259 256 C C 0 SEQCRD A K LYS LYS 260 257 C C 0 SEQCRD A K LYS LYS 261 258 C C 0 SEQCRD A K LYS LYS 262 259 C C 0 SEQCRD A T THR THR 263 260 C C 0 SEQCRD A L LEU LEU 264 261 C C 0 SEQCRD A H HIS HIS 265 262 C C 0 SEQCRD A P PRO PRO 266 263 C C 0 SEQCRD A G GLY GLY 267 264 C C 0 SEQCRD A K LYS LYS 268 265 C C 0 SEQCRD A X MSE MSE 269 266 E E 0 SEQCRD A V VAL VAL 270 267 E E 0 SEQCRD A A ALA ALA 271 268 E E 0 SEQCRD A T THR THR 272 269 C C 0 SEQCRD A F PHE PHE 273 270 E E 0 SEQCRD A L LEU LEU 274 271 E E 0 SEQCRD A X MSE MSE 275 272 C C 0 SEQCRD A G GLY GLY 276 273 C C 0 SEQCRD A S SER SER 277 274 H H 0 SEQCRD A E GLU GLU 278 275 H H 0 SEQCRD A D ASP ASP 279 276 H H 0 SEQCRD A V VAL VAL 280 277 H H 0 SEQCRD A Y TYR TYR 281 278 H H 0 SEQCRD A H HIS HIS 282 279 H H 0 SEQCRD A F PHE PHE 283 280 H H 0 SEQCRD A I ILE ILE 284 281 H H 0 SEQCRD A D ASP ASP 285 282 H H 0 SEQCRD A K LYS LYS 286 283 C C 0 SEQCRD A N ASN ASN 287 284 C C 0 SEQCRD A P PRO PRO 288 285 C C 0 SEQCRD A D ASP ASP 289 286 C C 0 SEQCRD A V VAL VAL 290 287 E E 0 SEQCRD A E GLU GLU 291 288 E E 0 SEQCRD A L LEU LEU 292 289 E E 0 SEQCRD A Y TYR TYR 293 290 C C 0 SEQCRD A P PRO PRO 294 291 H H 0 SEQCRD A V VAL VAL 295 292 H H 0 SEQCRD A D ASP ASP 296 293 H H 0 SEQCRD A Y TYR TYR 297 294 H H 0 SEQCRD A V VAL VAL 298 295 H H 0 SEQCRD A N ASN ASN 299 296 H H 0 SEQCRD A D ASP ASP 300 297 H H 0 SEQCRD A P PRO PRO 301 298 H H 0 SEQCRD A R ARG ARG 302 299 H H 0 SEQCRD A V VAL VAL 303 300 H H 0 SEQCRD A I ILE ILE 304 301 H H 0 SEQCRD A A ALA ALA 305 302 H H 0 SEQCRD A Q GLN GLN 306 303 C C 0 SEQCRD A N ASN ASN 307 304 C C 0 SEQCRD A D ASP ASP 308 305 C C 0 SEQCRD A N ASN ASN 309 306 C C 0 SEQCRD A X MSE MSE 310 307 E E 0 SEQCRD A V VAL VAL 311 308 E E 0 SEQCRD A S SER SER 312 309 E E 0 SEQCRD A I ILE ILE 313 310 E E 0 SEQCRD A N ASN ASN 314 311 E E 0 SEQCRD A S SER SER 315 312 C C 0 SEQCRD A C CYS CYS 316 313 C C 0 SEQCRD A I ILE ILE 317 314 C C 0 SEQCRD A E GLU GLU 318 315 E E 0 SEQCRD A I ILE ILE 319 316 E E 0 SEQCRD A D ASP ASP 320 317 E E 0 SEQCRD A L LEU LEU 321 318 C C 0 SEQCRD A X MSE MSE 322 319 C C 0 SEQCRD A G GLY GLY 323 320 C C 0 SEQCRD A Q GLN GLN 324 321 C C 0 SEQCRD A V VAL VAL 325 322 E E 0 SEQCRD A V VAL VAL 326 323 E E 0 SEQCRD A S SER SER 327 324 C C 0 SEQCRD A E GLU GLU 328 325 C C 0 SEQCRD A C CYS CYS 329 326 C C 0 SEQCRD A I ILE ILE 330 327 C C 0 SEQCRD A G GLY GLY 331 328 C C 0 SEQCRD A S SER SER 332 329 C C 0 SEQCRD A K LYS LYS 333 330 C C 0 SEQCRD A Q GLN GLN 334 331 C C 0 SEQCRD A F PHE PHE 335 332 C C 0 SEQCRD A S SER SER 336 333 C C 0 SEQCRD A G GLY GLY 337 334 C C 0 SEQCRD A T THR THR 338 335 C C 0 SEQCRD A G GLY GLY 339 336 C C 0 SEQCRD A G GLY GLY 340 337 H H 0 SEQCRD A Q GLN GLN 341 338 H H 0 SEQCRD A V VAL VAL 342 339 H H 0 SEQCRD A D ASP ASP 343 340 H H 0 SEQCRD A Y TYR TYR 344 341 H H 0 SEQCRD A V VAL VAL 345 342 H H 0 SEQCRD A R ARG ARG 346 343 H H 0 SEQCRD A G GLY GLY 347 344 H H 0 SEQCRD A A ALA ALA 348 345 H H 0 SEQCRD A A ALA ALA 349 346 H H 0 SEQCRD A W TRP TRP 350 347 H H 0 SEQCRD A S SER SER 351 348 H H 0 SEQCRD A K LYS LYS 352 349 C C 0 SEQCRD A N ASN ASN 353 350 C C 0 SEQCRD A G GLY GLY 354 351 C C 0 SEQCRD A K LYS LYS 355 352 E E 0 SEQCRD A S SER SER 356 353 E E 0 SEQCRD A I ILE ILE 357 354 E E 0 SEQCRD A X MSE MSE 358 355 E E 0 SEQCRD A A ALA ALA 359 356 E E 0 SEQCRD A I ILE ILE 360 357 C C 0 SEQCRD A P PRO PRO 361 358 C C 0 SEQCRD A S SER SER 362 359 C C 0 SEQCRD A T THR THR 363 360 E E 0 SEQCRD A A ALA ALA 364 361 E E 0 SEQCRD A K LYS LYS 365 362 C C 0 SEQCRD A N ASN ASN 366 363 C C 0 SEQCRD A G GLY GLY 367 364 C C 0 SEQCRD A T THR THR 368 365 C C 0 SEQCRD A A ALA ALA 369 366 E E 0 SEQCRD A S SER SER 370 367 E E 0 SEQCRD A R ARG ARG 371 368 C C 0 SEQCRD A I ILE ILE 372 369 E E 0 SEQCRD A V VAL VAL 373 370 E E 0 SEQCRD A P PRO PRO 374 371 C C 0 SEQCRD A I ILE ILE 375 372 C C 0 SEQCRD A I ILE ILE 376 373 C C 0 SEQCRD A A ALA ALA 377 374 C C 0 SEQCRD A E GLU GLU 378 375 C C 0 SEQCRD A G GLY GLY 379 376 C C 0 SEQCRD A A ALA ALA 380 377 C C 0 SEQCRD A A ALA ALA 381 378 C C 0 SEQCRD A V VAL VAL 382 379 E E 0 SEQCRD A T THR THR 383 380 E E 0 SEQCRD A T THR THR 384 381 E E 0 SEQCRD A L LEU LEU 385 382 C C 0 SEQCRD A R ARG ARG 386 383 C C 0 SEQCRD A N ASN ASN 387 384 C C 0 SEQCRD A E GLU GLU 388 385 C C 0 SEQCRD A V VAL VAL 389 386 C C 0 SEQCRD A D ASP ASP 390 387 C C 0 SEQCRD A Y TYR TYR 391 388 E E 0 SEQCRD A V VAL VAL 392 389 E E 0 SEQCRD A V VAL VAL 393 390 E E 0 SEQCRD A T THR THR 394 391 E E 0 SEQCRD A E GLU GLU 395 392 C C 0 SEQCRD A Y TYR TYR 396 393 C C 0 SEQCRD A G GLY GLY 397 394 E E 0 SEQCRD A I ILE ILE 398 395 E E 0 SEQCRD A A ALA ALA 399 396 E E 0 SEQCRD A Q GLN GLN 400 397 E E 0 SEQCRD A L LEU LEU 401 398 C C 0 SEQCRD A K LYS LYS 402 399 C C 0 SEQCRD A G GLY GLY 403 400 C C 0 SEQCRD A K LYS LYS 404 401 C C 0 SEQCRD A S SER SER 405 402 H H 0 SEQCRD A L LEU LEU 406 403 H H 0 SEQCRD A R ARG ARG 407 404 H H 0 SEQCRD A Q GLN GLN 408 405 H H 0 SEQCRD A R ARG ARG 409 406 H H 0 SEQCRD A A ALA ALA 410 407 H H 0 SEQCRD A E GLU GLU 411 408 H H 0 SEQCRD A A ALA ALA 412 409 H H 0 SEQCRD A L LEU LEU 413 410 H H 0 SEQCRD A I ILE ILE 414 411 H H 0 SEQCRD A A ALA ALA 415 412 H H 0 SEQCRD A I ILE ILE 416 413 C C 0 SEQCRD A A ALA ALA 417 414 C C 0 SEQCRD A H HIS HIS 418 415 H H 0 SEQCRD A P PRO PRO 419 416 H H 0 SEQCRD A D ASP ASP 420 417 H H 0 SEQCRD A F PHE PHE 421 418 H H 0 SEQCRD A R ARG ARG 422 419 H H 0 SEQCRD A E GLU GLU 423 420 H H 0 SEQCRD A E GLU GLU 424 421 H H 0 SEQCRD A L LEU LEU 425 422 H H 0 SEQCRD A T THR THR 426 423 H H 0 SEQCRD A K LYS LYS 427 424 H H 0 SEQCRD A H HIS HIS 428 425 H H 0 SEQCRD A L LEU LEU 429 426 H H 0 SEQCRD A R ARG ARG 430 427 H H 0 SEQCRD A K LYS LYS 431 428 H H 0 SEQCRD A R ARG ARG 432 429 H H 0 SEQCRD A F PHE PHE 433 430 H H 0 SEQCRD A G GLY GLY 434 431 H H 0 PARAME method XRAY PARAME resolution 2.050 PARAME R-factor 0.173 PARAME FreeR-factor 0.208