0.008040 0.000000 0.000000 0.000000 0.008040 0.000000 0.000000 0.000000 0.008040 0.00000 0.00000 0.00000 Fletterick, R.J. Mcgrath, M.E. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 24 90.00 90.00 90.00 124.380 124.380 124.380 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H8 N2 O3 132.118 y ASPARAGINE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C7 H8 N2 120.152 BENZAMIDINE non-polymer C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 32 1914 1919 10.1021/bi00059a005 8448149 Structure of an engineered, metal-actuated switch in trypsin. 1993 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 273 1 AREA DETECTOR 1992 SIEMENS M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RUH2R 23814.838 ANIONIC TRYPSIN 3.4.21.4 1 man polymer 120.152 BENZAMIDINE 1 syn non-polymer 18.015 water 124 nat water no no IVGGYTCQENSVPYQVSLNSGYHFCGGSLINDQWVVSAAHCYKSRIQVRLGEHNINVLEGNEQFVNAAKIIKHPNFDRKT LNNDIMLIKLSSPVKLNARVATVALPSSCAPAGTQCLISGWGNTLSSGVNEPDLLQCLDAPLLPQADCEASYPGKITDNM VCVGFLEGGKDSCQGDSGGPVVCNGELQGIVSWGYGCALPDNPGVYTKVCNYVDWIQDTIAAN IVGGYTCQENSVPYQVSLNSGYHFCGGSLINDQWVVSAAHCYKSRIQVRLGEHNINVLEGNEQFVNAAKIIKHPNFDRKT LNNDIMLIKLSSPVKLNARVATVALPSSCAPAGTQCLISGWGNTLSSGVNEPDLLQCLDAPLLPQADCEASYPGKITDNM VCVGFLEGGKDSCQGDSGGPVVCNGELQGIVSWGYGCALPDNPGVYTKVCNYVDWIQDTIAAN A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n black rat Rattus Escherichia sample 10117 Rattus rattus 562 Escherichia coli 1 3.34 63. 8.0 pH 8.0 repository Initial release Version format compliance Version format compliance 1 0 1997-04-01 1 1 2008-03-24 1 2 2011-07-13 Y 1994-12-21 REL BEN BENZAMIDINE HOH water BEN 224 2 BEN BEN 246 A HOH 227 3 HOH HOH 247 A HOH 228 3 HOH HOH 248 A HOH 229 3 HOH HOH 249 A HOH 230 3 HOH HOH 250 A HOH 231 3 HOH HOH 251 A HOH 232 3 HOH HOH 252 A HOH 233 3 HOH HOH 253 A HOH 234 3 HOH HOH 254 A HOH 235 3 HOH HOH 255 A HOH 236 3 HOH HOH 256 A HOH 237 3 HOH HOH 257 A HOH 238 3 HOH HOH 258 A HOH 239 3 HOH HOH 259 A HOH 241 3 HOH HOH 260 A HOH 242 3 HOH HOH 261 A HOH 243 3 HOH HOH 262 A HOH 244 3 HOH HOH 263 A HOH 245 3 HOH HOH 264 A HOH 246 3 HOH HOH 265 A HOH 247 3 HOH HOH 266 A HOH 248 3 HOH HOH 267 A HOH 249 3 HOH HOH 268 A HOH 250 3 HOH HOH 269 A HOH 251 3 HOH HOH 270 A HOH 252 3 HOH HOH 271 A HOH 253 3 HOH HOH 272 A HOH 254 3 HOH HOH 273 A HOH 255 3 HOH HOH 274 A HOH 257 3 HOH HOH 275 A HOH 258 3 HOH HOH 276 A HOH 260 3 HOH HOH 277 A HOH 261 3 HOH HOH 278 A HOH 262 3 HOH HOH 279 A HOH 263 3 HOH HOH 280 A HOH 264 3 HOH HOH 281 A HOH 265 3 HOH HOH 282 A HOH 266 3 HOH HOH 283 A HOH 267 3 HOH HOH 284 A HOH 268 3 HOH HOH 285 A HOH 269 3 HOH HOH 286 A HOH 270 3 HOH HOH 287 A HOH 271 3 HOH HOH 288 A HOH 272 3 HOH HOH 289 A HOH 273 3 HOH HOH 290 A HOH 274 3 HOH HOH 291 A HOH 275 3 HOH HOH 292 A HOH 276 3 HOH HOH 293 A HOH 277 3 HOH HOH 294 A HOH 278 3 HOH HOH 295 A HOH 279 3 HOH HOH 296 A HOH 280 3 HOH HOH 297 A HOH 281 3 HOH HOH 298 A HOH 282 3 HOH HOH 299 A HOH 283 3 HOH HOH 300 A HOH 284 3 HOH HOH 301 A HOH 285 3 HOH HOH 302 A HOH 286 3 HOH HOH 303 A HOH 287 3 HOH HOH 304 A HOH 288 3 HOH HOH 305 A HOH 289 3 HOH HOH 306 A HOH 290 3 HOH HOH 307 A HOH 292 3 HOH HOH 308 A HOH 293 3 HOH HOH 309 A HOH 294 3 HOH HOH 310 A HOH 295 3 HOH HOH 311 A HOH 296 3 HOH HOH 312 A HOH 297 3 HOH HOH 313 A HOH 298 3 HOH HOH 314 A HOH 299 3 HOH HOH 315 A HOH 300 3 HOH HOH 316 A HOH 301 3 HOH HOH 317 A HOH 302 3 HOH HOH 318 A HOH 303 3 HOH HOH 319 A HOH 304 3 HOH HOH 320 A HOH 305 3 HOH HOH 321 A HOH 306 3 HOH HOH 322 A HOH 307 3 HOH HOH 323 A HOH 308 3 HOH HOH 324 A HOH 309 3 HOH HOH 325 A HOH 310 3 HOH HOH 326 A HOH 311 3 HOH HOH 327 A HOH 312 3 HOH HOH 328 A HOH 313 3 HOH HOH 329 A HOH 314 3 HOH HOH 330 A HOH 315 3 HOH HOH 331 A HOH 316 3 HOH HOH 332 A HOH 317 3 HOH HOH 333 A HOH 318 3 HOH HOH 334 A HOH 319 3 HOH HOH 335 A HOH 320 3 HOH HOH 336 A HOH 321 3 HOH HOH 337 A HOH 322 3 HOH HOH 338 A HOH 323 3 HOH HOH 339 A HOH 324 3 HOH HOH 340 A HOH 325 3 HOH HOH 341 A HOH 326 3 HOH HOH 342 A HOH 327 3 HOH HOH 343 A HOH 328 3 HOH HOH 344 A HOH 329 3 HOH HOH 345 A HOH 330 3 HOH HOH 346 A HOH 331 3 HOH HOH 347 A HOH 332 3 HOH HOH 348 A HOH 333 3 HOH HOH 349 A HOH 334 3 HOH HOH 350 A HOH 336 3 HOH HOH 351 A HOH 337 3 HOH HOH 352 A HOH 338 3 HOH HOH 353 A HOH 340 3 HOH HOH 354 A HOH 341 3 HOH HOH 355 A HOH 342 3 HOH HOH 356 A HOH 343 3 HOH HOH 357 A HOH 344 3 HOH HOH 358 A HOH 346 3 HOH HOH 359 A HOH 347 3 HOH HOH 360 A HOH 348 3 HOH HOH 361 A HOH 350 3 HOH HOH 362 A HOH 351 3 HOH HOH 363 A HOH 352 3 HOH HOH 364 A HOH 353 3 HOH HOH 365 A HOH 354 3 HOH HOH 366 A HOH 355 3 HOH HOH 367 A HOH 359 3 HOH HOH 368 A HOH 360 3 HOH HOH 369 A HOH 362 3 HOH HOH 370 A ILE 16 n 1 ILE 16 A VAL 17 n 2 VAL 17 A GLY 18 n 3 GLY 18 A GLY 19 n 4 GLY 19 A TYR 20 n 5 TYR 20 A THR 21 n 6 THR 21 A CYS 22 n 7 CYS 22 A GLN 23 n 8 GLN 23 A GLU 24 n 9 GLU 24 A ASN 25 n 10 ASN 25 A SER 26 n 11 SER 26 A VAL 27 n 12 VAL 27 A PRO 28 n 13 PRO 28 A TYR 29 n 14 TYR 29 A GLN 30 n 15 GLN 30 A VAL 31 n 16 VAL 31 A SER 32 n 17 SER 32 A LEU 33 n 18 LEU 33 A ASN 34 n 19 ASN 34 A SER 37 n 20 SER 37 A GLY 38 n 21 GLY 38 A TYR 39 n 22 TYR 39 A HIS 40 n 23 HIS 40 A PHE 41 n 24 PHE 41 A CYS 42 n 25 CYS 42 A GLY 43 n 26 GLY 43 A GLY 44 n 27 GLY 44 A SER 45 n 28 SER 45 A LEU 46 n 29 LEU 46 A ILE 47 n 30 ILE 47 A ASN 48 n 31 ASN 48 A ASP 49 n 32 ASP 49 A GLN 50 n 33 GLN 50 A TRP 51 n 34 TRP 51 A VAL 52 n 35 VAL 52 A VAL 53 n 36 VAL 53 A SER 54 n 37 SER 54 A ALA 55 n 38 ALA 55 A ALA 56 n 39 ALA 56 A HIS 57 n 40 HIS 57 A CYS 58 n 41 CYS 58 A TYR 59 n 42 TYR 59 A LYS 60 n 43 LYS 60 A SER 61 n 44 SER 61 A ARG 62 n 45 ARG 62 A ILE 63 n 46 ILE 63 A GLN 64 n 47 GLN 64 A VAL 65 n 48 VAL 65 A ARG 65 n 49 A ARG 65 A LEU 66 n 50 LEU 66 A GLY 69 n 51 GLY 69 A GLU 70 n 52 GLU 70 A HIS 71 n 53 HIS 71 A ASN 72 n 54 ASN 72 A ILE 73 n 55 ILE 73 A ASN 74 n 56 ASN 74 A VAL 75 n 57 VAL 75 A LEU 76 n 58 LEU 76 A GLU 77 n 59 GLU 77 A GLY 78 n 60 GLY 78 A ASN 79 n 61 ASN 79 A GLU 80 n 62 GLU 80 A GLN 81 n 63 GLN 81 A PHE 82 n 64 PHE 82 A VAL 83 n 65 VAL 83 A ASN 84 n 66 ASN 84 A ALA 85 n 67 ALA 85 A ALA 86 n 68 ALA 86 A LYS 87 n 69 LYS 87 A ILE 88 n 70 ILE 88 A ILE 89 n 71 ILE 89 A LYS 90 n 72 LYS 90 A HIS 91 n 73 HIS 91 A PRO 92 n 74 PRO 92 A ASN 93 n 75 ASN 93 A PHE 94 n 76 PHE 94 A ASP 95 n 77 ASP 95 A ARG 96 n 78 ARG 96 A LYS 97 n 79 LYS 97 A THR 98 n 80 THR 98 A LEU 99 n 81 LEU 99 A ASN 100 n 82 ASN 100 A ASN 101 n 83 ASN 101 A ASP 102 n 84 ASP 102 A ILE 103 n 85 ILE 103 A MET 104 n 86 MET 104 A LEU 105 n 87 LEU 105 A ILE 106 n 88 ILE 106 A LYS 107 n 89 LYS 107 A LEU 108 n 90 LEU 108 A SER 109 n 91 SER 109 A SER 110 n 92 SER 110 A PRO 111 n 93 PRO 111 A VAL 112 n 94 VAL 112 A LYS 113 n 95 LYS 113 A LEU 114 n 96 LEU 114 A ASN 115 n 97 ASN 115 A ALA 116 n 98 ALA 116 A ARG 117 n 99 ARG 117 A VAL 118 n 100 VAL 118 A ALA 119 n 101 ALA 119 A THR 120 n 102 THR 120 A VAL 121 n 103 VAL 121 A ALA 122 n 104 ALA 122 A LEU 123 n 105 LEU 123 A PRO 124 n 106 PRO 124 A SER 125 n 107 SER 125 A SER 127 n 108 SER 127 A CYS 128 n 109 CYS 128 A ALA 129 n 110 ALA 129 A PRO 130 n 111 PRO 130 A ALA 132 n 112 ALA 132 A GLY 133 n 113 GLY 133 A THR 134 n 114 THR 134 A GLN 135 n 115 GLN 135 A CYS 136 n 116 CYS 136 A LEU 137 n 117 LEU 137 A ILE 138 n 118 ILE 138 A SER 139 n 119 SER 139 A GLY 140 n 120 GLY 140 A TRP 141 n 121 TRP 141 A GLY 142 n 122 GLY 142 A ASN 143 n 123 ASN 143 A THR 144 n 124 THR 144 A LEU 145 n 125 LEU 145 A SER 146 n 126 SER 146 A SER 147 n 127 SER 147 A GLY 148 n 128 GLY 148 A VAL 149 n 129 VAL 149 A ASN 150 n 130 ASN 150 A GLU 151 n 131 GLU 151 A PRO 152 n 132 PRO 152 A ASP 153 n 133 ASP 153 A LEU 154 n 134 LEU 154 A LEU 155 n 135 LEU 155 A GLN 156 n 136 GLN 156 A CYS 157 n 137 CYS 157 A LEU 158 n 138 LEU 158 A ASP 159 n 139 ASP 159 A ALA 160 n 140 ALA 160 A PRO 161 n 141 PRO 161 A LEU 162 n 142 LEU 162 A LEU 163 n 143 LEU 163 A PRO 164 n 144 PRO 164 A GLN 165 n 145 GLN 165 A ALA 166 n 146 ALA 166 A ASP 167 n 147 ASP 167 A CYS 168 n 148 CYS 168 A GLU 169 n 149 GLU 169 A ALA 170 n 150 ALA 170 A SER 171 n 151 SER 171 A TYR 172 n 152 TYR 172 A PRO 173 n 153 PRO 173 A GLY 174 n 154 GLY 174 A LYS 175 n 155 LYS 175 A ILE 176 n 156 ILE 176 A THR 177 n 157 THR 177 A ASP 178 n 158 ASP 178 A ASN 179 n 159 ASN 179 A MET 180 n 160 MET 180 A VAL 181 n 161 VAL 181 A CYS 182 n 162 CYS 182 A VAL 183 n 163 VAL 183 A GLY 184 n 164 GLY 184 A PHE 184 n 165 A PHE 184 A LEU 185 n 166 LEU 185 A GLU 186 n 167 GLU 186 A GLY 187 n 168 GLY 187 A GLY 188 n 169 GLY 188 A LYS 188 n 170 A LYS 188 A ASP 189 n 171 ASP 189 A SER 190 n 172 SER 190 A CYS 191 n 173 CYS 191 A GLN 192 n 174 GLN 192 A GLY 193 n 175 GLY 193 A ASP 194 n 176 ASP 194 A SER 195 n 177 SER 195 A GLY 196 n 178 GLY 196 A GLY 197 n 179 GLY 197 A PRO 198 n 180 PRO 198 A VAL 199 n 181 VAL 199 A VAL 200 n 182 VAL 200 A CYS 201 n 183 CYS 201 A ASN 202 n 184 ASN 202 A GLY 203 n 185 GLY 203 A GLU 204 n 186 GLU 204 A LEU 209 n 187 LEU 209 A GLN 210 n 188 GLN 210 A GLY 211 n 189 GLY 211 A ILE 212 n 190 ILE 212 A VAL 213 n 191 VAL 213 A SER 214 n 192 SER 214 A TRP 215 n 193 TRP 215 A GLY 216 n 194 GLY 216 A TYR 217 n 195 TYR 217 A GLY 219 n 196 GLY 219 A CYS 220 n 197 CYS 220 A ALA 221 n 198 ALA 221 A LEU 221 n 199 A LEU 221 A PRO 222 n 200 PRO 222 A ASP 223 n 201 ASP 223 A ASN 224 n 202 ASN 224 A PRO 225 n 203 PRO 225 A GLY 226 n 204 GLY 226 A VAL 227 n 205 VAL 227 A TYR 228 n 206 TYR 228 A THR 229 n 207 THR 229 A LYS 230 n 208 LYS 230 A VAL 231 n 209 VAL 231 A CYS 232 n 210 CYS 232 A ASN 233 n 211 ASN 233 A TYR 234 n 212 TYR 234 A VAL 235 n 213 VAL 235 A ASP 236 n 214 ASP 236 A TRP 237 n 215 TRP 237 A ILE 238 n 216 ILE 238 A GLN 239 n 217 GLN 239 A ASP 240 n 218 ASP 240 A THR 241 n 219 THR 241 A ILE 242 n 220 ILE 242 A ALA 243 n 221 ALA 243 A ALA 244 n 222 ALA 244 A ASN 245 n 223 ASN 245 A author_defined_assembly 2 dimeric 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 x,y,z identity operation 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 3_556 -x,y,-z+1 crystal symmetry operation 0.0000000000 0.0000000000 124.3800000000 A O GLN 81 A O GLN 63 A N LEU 66 A N LEU 50 A O GLN 64 A O GLN 47 A N ASN 34 A N ASN 19 A O VAL 31 A O VAL 16 A N GLY 44 A N GLY 27 A O SER 45 A O SER 28 A N VAL 53 A N VAL 36 A O VAL 52 A O VAL 35 A N ILE 106 A N ILE 88 A O LEU 105 A O LEU 87 A N ILE 89 A N ILE 71 A O GLN 156 A O GLN 136 A N GLY 140 A N GLY 120 A O LEU 137 A O LEU 117 A N VAL 200 A N VAL 182 A O VAL 199 A O VAL 181 A N GLY 211 A N GLY 189 A O ILE 212 A O ILE 190 A N THR 229 A N THR 207 A O GLY 226 A O GLY 204 A N VAL 183 A N VAL 163 1 5.96 0.80 106.30 112.26 A A A CD1 CG CD2 TRP TRP TRP 51 51 51 N 1 -5.42 0.80 107.30 101.88 A A A CE2 CD2 CG TRP TRP TRP 51 51 51 N 1 -3.81 0.60 121.00 117.19 A A A CB CG CD1 TYR TYR TYR 59 59 59 N 1 -4.25 0.50 120.30 116.05 A A A NE CZ NH2 ARG ARG ARG 62 62 62 N 1 4.91 0.80 106.30 111.21 A A A CD1 CG CD2 TRP TRP TRP 141 141 141 N 1 -4.90 0.80 107.30 102.40 A A A CE2 CD2 CG TRP TRP TRP 141 141 141 N 1 6.04 0.80 106.30 112.34 A A A CD1 CG CD2 TRP TRP TRP 215 215 215 N 1 -5.33 0.80 107.30 101.97 A A A CE2 CD2 CG TRP TRP TRP 215 215 215 N 1 6.10 0.80 106.30 112.40 A A A CD1 CG CD2 TRP TRP TRP 237 237 237 N 1 -5.41 0.80 107.30 101.89 A A A CE2 CD2 CG TRP TRP TRP 237 237 237 N 1 A A NE2 CD2 HIS HIS 57 57 -0.074 0.011 1.373 1.299 N 1 A VAL 27 -115.76 74.42 1 A HIS 71 -124.18 -65.26 1 A ASN 115 -162.49 -157.94 1 A SER 214 -122.32 -62.49 0.175 0.175 2.2 1 2.2 124 1798 9 0 1665 data collection BUDDHA data reduction BUDDHA refinement X-PLOR data scaling BUDDHA ANIONIC TRYPSIN, BENZAMIDINE ANIONIC TRYPSIN WILD TYPE 1 N N 2 N N 3 N N A ALA 56 A ALA 39 HELX_P A CYS 58 A CYS 41 5 1 3 A GLN 165 A GLN 145 HELX_P A SER 171 A SER 151 1 2 7 A VAL 231 A VAL 209 HELX_P A ASN 233 A ASN 211 5 3 3 A VAL 235 A VAL 213 HELX_P A ALA 243 A ALA 221 1 4 9 disulf 2.080 A CYS 22 A SG CYS 7 1_555 A CYS 157 A SG CYS 137 1_555 disulf 2.090 A CYS 42 A SG CYS 25 1_555 A CYS 58 A SG CYS 41 1_555 disulf 2.072 A CYS 128 A SG CYS 109 1_555 A CYS 232 A SG CYS 210 1_555 disulf 2.095 A CYS 136 A SG CYS 116 1_555 A CYS 201 A SG CYS 183 1_555 disulf 2.089 A CYS 168 A SG CYS 148 1_555 A CYS 182 A SG CYS 162 1_555 disulf 2.066 A CYS 191 A SG CYS 173 1_555 A CYS 220 A SG CYS 197 1_555 SERINE PROTEASE TRYPSIN, ANIONIC, SERINE PROTEASE, HYDROLASE TRY2_RAT UNP 1 1 P00763 MRALLFLALVGAAVAFPVDDDDKIVGGYTCQENSVPYQVSLNSGYHFCGGSLINDQWVVSAAHCYKSRIQVRLGEHNINV LEGNEQFVNAAKIIKHPNFDRKTLNNDIMLIKLSSPVKLNARVATVALPSSCAPAGTQCLISGWGNTLSSGVNEPDLLQC LDAPLLPQADCEASYPGKITDNMVCVGFLEGGKDSCQGDSGGPVVCNGELQGIVSWGYGCALPDNPGVYTKVCNYVDWIQ DTIAAN 24 246 1ANE 16 245 P00763 A 1 1 223 7 6 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A GLN 81 A GLN 63 A ASN 84 A ASN 66 A GLN 64 A GLN 47 A LEU 66 A LEU 50 A GLN 30 A GLN 15 A ASN 34 A ASN 19 A HIS 40 A HIS 23 A ASN 48 A ASN 31 A TRP 51 A TRP 34 A SER 54 A SER 37 A MET 104 A MET 86 A LEU 108 A LEU 90 A ALA 85 A ALA 67 A LYS 90 A LYS 72 A GLN 156 A GLN 136 A PRO 161 A PRO 141 A GLN 135 A GLN 115 A GLY 140 A GLY 120 A PRO 198 A PRO 180 A CYS 201 A CYS 183 A GLU 204 A GLU 186 A TRP 215 A TRP 193 A GLY 226 A GLY 204 A LYS 230 A LYS 208 A MET 180 A MET 160 A VAL 183 A VAL 163 BINDING SITE FOR RESIDUE BEN A 246 Software 8 A ASP 189 A ASP 171 8 1_555 A SER 190 A SER 172 8 1_555 A GLN 192 A GLN 174 8 1_555 A TRP 215 A TRP 193 8 1_555 A GLY 216 A GLY 194 8 1_555 A GLY 219 A GLY 196 8 1_555 A GLY 226 A GLY 204 8 1_555 A HOH 248 C HOH 8 1_555 197 I 2 3