0.022478 0.000000 0.000000 0.000000 0.011238 0.000000 0.000000 0.000000 0.009470 0.000000 0.000000 0.000000 Lima, C.D. Yunus, A.A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.000 90.000 90.000 44.487 88.980 105.598 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 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 Zn 2 65.409 ZINC ION non-polymer N 1 N N N 2 S C N 3 N C N 4 N O N 5 N C N 6 N O N 7 N H N 8 N H N 9 N H N 10 N H N 11 N H N 12 N H N 13 N H N 14 N N N 15 S C N 16 N C N 17 N O N 18 N C N 19 N C N 20 N C N 21 N N N 22 N C N 23 N N N 24 N N N 25 N O N 26 N H N 27 N H N 28 N H N 29 N H N 30 N H N 31 N H N 32 N H N 33 N H N 34 N H N 35 N H N 36 N H N 37 N H N 38 N H N 39 N H N 40 N H N 41 N N N 42 S C N 43 N C N 44 N O N 45 N C N 46 N C N 47 N O N 48 N N N 49 N O N 50 N H N 51 N H N 52 N H N 53 N H N 54 N H N 55 N H N 56 N H N 57 N H N 58 N N N 59 S C N 60 N C N 61 N O N 62 N C N 63 N C N 64 N O N 65 N O N 66 N O N 67 N H N 68 N H N 69 N H N 70 N H N 71 N H N 72 N H N 73 N H N 74 N N N 75 R C N 76 N C N 77 N O N 78 N C N 79 N S N 80 N O N 81 N H N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N H N 88 N N N 89 S C N 90 N C N 91 N O N 92 N C N 93 N C N 94 N C N 95 N O N 96 N N N 97 N O N 98 N H N 99 N H N 100 N H N 101 N H N 102 N H N 103 N H N 104 N H N 105 N H N 106 N H N 107 N H N 108 N N N 109 S C N 110 N C N 111 N O N 112 N C N 113 N C N 114 N C N 115 N O N 116 N O N 117 N O N 118 N H N 119 N H N 120 N H N 121 N H N 122 N H N 123 N H N 124 N H N 125 N H N 126 N H N 127 N N N 128 N C N 129 N C N 130 N O N 131 N O N 132 N H N 133 N H N 134 N H N 135 N H N 136 N H N 137 N N N 138 S C N 139 N C N 140 N O N 141 N C Y 142 N C Y 143 N N Y 144 N C Y 145 N C Y 146 N N N 147 N O N 148 N H N 149 N H N 150 N H N 151 N H N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N O N 159 N H N 160 N H N 161 N N N 162 S C N 163 N C N 164 N O N 165 S C N 166 N C N 167 N C N 168 N C N 169 N O N 170 N H N 171 N H N 172 N H N 173 N H N 174 N H N 175 N H N 176 N H N 177 N H N 178 N H N 179 N H N 180 N H N 181 N H N 182 N H N 183 N N N 184 S C N 185 N C N 186 N O N 187 N C N 188 N C N 189 N C N 190 N C N 191 N O N 192 N H N 193 N H N 194 N H N 195 N H N 196 N H N 197 N H N 198 N H N 199 N H N 200 N H N 201 N H N 202 N H N 203 N H N 204 N H N 205 N N N 206 S C N 207 N C N 208 N O N 209 N C N 210 N C N 211 N C N 212 N C N 213 N N N 214 N O N 215 N H N 216 N H N 217 N H N 218 N H N 219 N H N 220 N H N 221 N H N 222 N H N 223 N H N 224 N H N 225 N H N 226 N H N 227 N H N 228 N H N 229 N H N 230 N N N 231 S C N 232 N C N 233 N O N 234 N C N 235 N C N 236 N S N 237 N C N 238 N O N 239 N H N 240 N H N 241 N H N 242 N H N 243 N H N 244 N H N 245 N H N 246 N H N 247 N H N 248 N H N 249 N H N 250 N N N 251 S C N 252 N C N 253 N O N 254 N C Y 255 N C Y 256 N C Y 257 N C Y 258 N C Y 259 N C Y 260 N C N 261 N O N 262 N H N 263 N H N 264 N H N 265 N H N 266 N H N 267 N H N 268 N H N 269 N H N 270 N H N 271 N H N 272 N H N 273 N N N 274 S C N 275 N C N 276 N O N 277 N C N 278 N C N 279 N C N 280 N O N 281 N H N 282 N H N 283 N H N 284 N H N 285 N H N 286 N H N 287 N H N 288 N H N 289 N H N 290 N N N 291 S C N 292 N C N 293 N O N 294 N C N 295 N O N 296 N O N 297 N H N 298 N H N 299 N H N 300 N H N 301 N H N 302 N H N 303 N H N 304 N N N 305 S C N 306 N C N 307 N O N 308 R C N 309 N O N 310 N C N 311 N O N 312 N H N 313 N H N 314 N H N 315 N H N 316 N H N 317 N H N 318 N H N 319 N H N 320 N H N 321 N N N 322 S C N 323 N C N 324 N O N 325 N C Y 326 N C Y 327 N C Y 328 N C Y 329 N N Y 330 N C Y 331 N C Y 332 N C Y 333 N C Y 334 N C N 335 N O N 336 N H N 337 N H N 338 N H N 339 N H N 340 N H N 341 N H N 342 N H N 343 N H N 344 N H N 345 N H N 346 N H N 347 N H N 348 N N N 349 S C N 350 N C N 351 N O N 352 N C Y 353 N C Y 354 N C Y 355 N C Y 356 N C Y 357 N C Y 358 N C N 359 N O N 360 N O N 361 N H N 362 N H N 363 N H N 364 N H N 365 N H N 366 N H N 367 N H N 368 N H N 369 N H N 370 N H N 371 N H N 372 N N N 373 S C N 374 N C N 375 N O N 376 N C N 377 N C N 378 N C N 379 N O N 380 N H N 381 N H N 382 N H N 383 N H N 384 N H N 385 N H N 386 N H N 387 N H N 388 N H N 389 N H N 390 N H N 391 N ZN N 1 N sing N 2 N sing N 3 N sing N 4 N sing N 5 N sing N 6 N sing N 7 N doub N 8 N sing N 9 N sing N 10 N sing N 11 N sing N 12 N sing N 13 N sing N 14 N sing N 15 N sing N 16 N sing N 17 N sing N 18 N sing N 19 N doub N 20 N sing N 21 N sing N 22 N sing N 23 N sing N 24 N sing N 25 N sing N 26 N sing N 27 N sing N 28 N sing N 29 N sing N 30 N sing N 31 N sing N 32 N sing N 33 N doub N 34 N sing N 35 N sing N 36 N sing N 37 N sing N 38 N sing N 39 N sing N 40 N sing N 41 N sing N 42 N sing N 43 N sing N 44 N sing N 45 N doub N 46 N sing N 47 N sing N 48 N sing N 49 N sing N 50 N doub N 51 N sing N 52 N sing N 53 N sing N 54 N sing N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N doub N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N doub N 67 N sing N 68 N sing N 69 N sing N 70 N sing N 71 N sing N 72 N sing N 73 N sing N 74 N sing N 75 N sing N 76 N doub N 77 N sing N 78 N sing N 79 N sing N 80 N sing N 81 N sing N 82 N sing N 83 N sing N 84 N sing N 85 N sing N 86 N sing N 87 N sing N 88 N sing N 89 N doub N 90 N sing N 91 N sing N 92 N sing N 93 N sing N 94 N sing N 95 N sing N 96 N sing N 97 N doub N 98 N sing N 99 N sing N 100 N sing N 101 N sing N 102 N sing N 103 N sing N 104 N sing N 105 N sing N 106 N sing N 107 N sing N 108 N doub N 109 N sing N 110 N sing N 111 N sing N 112 N sing N 113 N sing N 114 N sing N 115 N sing N 116 N doub N 117 N sing N 118 N sing N 119 N sing N 120 N sing N 121 N sing N 122 N sing N 123 N sing N 124 N sing N 125 N sing N 126 N doub N 127 N sing N 128 N sing N 129 N sing N 130 N sing N 131 N sing N 132 N sing N 133 N sing N 134 N sing N 135 N doub N 136 N sing N 137 N sing N 138 N sing N 139 N sing Y 140 N sing Y 141 N doub Y 142 N doub N 143 N sing Y 144 N sing N 145 N sing Y 146 N sing N 147 N sing N 148 N sing N 149 N sing N 150 N sing N 151 N sing N 152 N sing N 153 N sing N 154 N sing N 155 N sing N 156 N sing N 157 N sing N 158 N doub N 159 N sing N 160 N sing N 161 N sing N 162 N sing N 163 N sing N 164 N sing N 165 N sing N 166 N sing N 167 N sing N 168 N sing N 169 N sing N 170 N sing N 171 N sing N 172 N sing N 173 N sing N 174 N sing N 175 N sing N 176 N sing N 177 N sing N 178 N sing N 179 N doub N 180 N sing N 181 N sing N 182 N sing N 183 N sing N 184 N sing N 185 N sing N 186 N sing N 187 N sing N 188 N sing N 189 N sing N 190 N sing N 191 N sing N 192 N sing N 193 N sing N 194 N sing N 195 N sing N 196 N sing N 197 N sing N 198 N sing N 199 N sing N 200 N doub N 201 N sing N 202 N sing N 203 N sing N 204 N sing N 205 N sing N 206 N sing N 207 N sing N 208 N sing N 209 N sing N 210 N sing N 211 N sing N 212 N sing N 213 N sing N 214 N sing N 215 N sing N 216 N sing N 217 N sing N 218 N sing N 219 N sing N 220 N sing N 221 N sing N 222 N sing N 223 N sing N 224 N doub N 225 N sing N 226 N sing N 227 N sing N 228 N sing N 229 N sing N 230 N sing N 231 N sing N 232 N sing N 233 N sing N 234 N sing N 235 N sing N 236 N sing N 237 N sing N 238 N sing N 239 N sing N 240 N sing N 241 N sing N 242 N sing N 243 N doub N 244 N sing N 245 N sing N 246 N sing N 247 N sing Y 248 N doub Y 249 N sing Y 250 N sing N 251 N sing Y 252 N doub N 253 N sing Y 254 N doub N 255 N sing Y 256 N sing N 257 N sing N 258 N sing N 259 N sing N 260 N sing N 261 N sing N 262 N sing N 263 N sing N 264 N sing N 265 N sing N 266 N doub N 267 N sing N 268 N sing N 269 N sing N 270 N sing N 271 N sing N 272 N sing N 273 N sing N 274 N sing N 275 N sing N 276 N sing N 277 N sing N 278 N sing N 279 N sing N 280 N sing N 281 N sing N 282 N sing N 283 N doub N 284 N sing N 285 N sing N 286 N sing N 287 N sing N 288 N sing N 289 N sing N 290 N sing N 291 N sing N 292 N sing N 293 N sing N 294 N sing N 295 N sing N 296 N doub N 297 N sing N 298 N sing N 299 N sing N 300 N sing N 301 N sing N 302 N sing N 303 N sing N 304 N sing N 305 N sing N 306 N sing N 307 N sing N 308 N sing N 309 N sing N 310 N sing N 311 N sing N 312 N doub N 313 N sing N 314 N sing N 315 N sing N 316 N sing Y 317 N doub Y 318 N sing Y 319 N sing N 320 N sing Y 321 N doub Y 322 N sing Y 323 N sing N 324 N sing Y 325 N sing Y 326 N doub N 327 N sing Y 328 N doub N 329 N sing Y 330 N sing N 331 N sing N 332 N sing N 333 N sing N 334 N sing N 335 N sing N 336 N sing N 337 N sing N 338 N sing N 339 N sing N 340 N doub N 341 N sing N 342 N sing N 343 N sing N 344 N sing Y 345 N doub Y 346 N sing Y 347 N sing N 348 N sing Y 349 N doub N 350 N sing Y 351 N doub N 352 N sing Y 353 N sing N 354 N sing N 355 N sing N 356 N sing N 357 N sing N 358 N sing N 359 N sing N 360 N sing N 361 N sing N 362 N sing N 363 N sing N 364 N doub N 365 N sing N 366 N sing N 367 N sing N 368 N sing N 369 N sing N 370 N sing N 371 N sing N 372 N sing N 373 N sing N 374 N sing N 375 N sing US Mol.Cell MOCEFL 2168 1097-2765 35 669 682 10.1016/j.molcel.2009.07.013 19748360 Structure of the Siz/PIAS SUMO E3 ligase Siz1 and determinants required for SUMO modification of PCNA. 2009 10.2210/pdb3i2d/pdb pdb_00003i2d 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 100 1 CCD 2006-06-03 ADSC QUANTUM 315 Si SINGLE WAVELENGTH M x-ray 1 0.979 1.0 24-ID-C APS 0.979 SYNCHROTRON APS BEAMLINE 24-ID-C 41697.238 E3 SUMO-protein ligase SIZ1 6.-.-.- residues 112-465 1 man polymer 65.409 ZINC ION 1 syn non-polymer 18.015 water 66 nat water SAP and Miz-finger domain-containing protein 1, Ubiquitin-like protein ligase 1 no no SLTPLSAITVRSMEGPPTVQQQSPSVIRQSPTQRRKTSTTSSTSRAPPPTNPDASSSSSSFAVPTIHFKESPFYKIQRLI PELVMNVEVTGGRGMCSAKFKLSKADYNLLSNPNSKHRLYLFSGMINPLGSRGNEPIQFPFPNELRCNNVQIKDNIRGFK SKPGTAKPADLTPHLKPYTQQNNVELIYAFTTKEYKLFGYIVEMITPEQLLEKVLQHPKIIKQATLLYLKKTLREDEEMG LTTTSTIMSLQCPISYTRMKYPSKSINCKHLQCFDALWFLHSQLQIPTWQCPVCQIDIALENLAISEFVDDILQNCQKNV EQVELTSDGKWTAILEDDDDSDSDSNDGSRSPEKGTLGEGAAALEHHHHHH SLTPLSAITVRSMEGPPTVQQQSPSVIRQSPTQRRKTSTTSSTSRAPPPTNPDASSSSSSFAVPTIHFKESPFYKIQRLI PELVMNVEVTGGRGMCSAKFKLSKADYNLLSNPNSKHRLYLFSGMINPLGSRGNEPIQFPFPNELRCNNVQIKDNIRGFK SKPGTAKPADLTPHLKPYTQQNNVELIYAFTTKEYKLFGYIVEMITPEQLLEKVLQHPKIIKQATLLYLKKTLREDEEMG LTTTSTIMSLQCPISYTRMKYPSKSINCKHLQCFDALWFLHSQLQIPTWQCPVCQIDIALENLAISEFVDDILQNCQKNV EQVELTSDGKWTAILEDDDDSDSDSNDGSRSPEKGTLGEGAAALEHHHHHH 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 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 yeast W3031A sample SIZ1, ULL1, YDR409W 4932 Saccharomyces cerevisiae 562 Escherichia coli BL21 (DE3) CP-RIL PLASMID PSMT3 1 2.51 50.92 VAPOR DIFFUSION, HANGING DROP 7.5 3.5 M NaCl, 100 mM HEPES 7.5 and either 5% glycerol or xylitol, VAPOR DIFFUSION, HANGING DROP, temperature 288K 288 chem_comp_atom chem_comp_bond database_2 struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Database references Data collection Database references Derived calculations 1 0 2009-09-15 1 1 2011-07-13 1 2 2012-03-21 1 3 2024-02-21 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.ptnr1_auth_comp_id _struct_conn.ptnr1_auth_seq_id _struct_conn.ptnr1_label_asym_id _struct_conn.ptnr1_label_atom_id _struct_conn.ptnr1_label_comp_id _struct_conn.ptnr1_label_seq_id _struct_conn.ptnr2_auth_comp_id _struct_conn.ptnr2_auth_seq_id _struct_conn.ptnr2_label_asym_id _struct_conn.ptnr2_label_atom_id _struct_conn.ptnr2_label_comp_id _struct_conn.ptnr2_label_seq_id _struct_ref_seq_dif.details _struct_site.pdbx_auth_asym_id _struct_site.pdbx_auth_comp_id _struct_site.pdbx_auth_seq_id RCSB Y RCSB 2009-06-29 REL REL ZN ZINC ION HOH water ZN 1 2 ZN ZN 1 A WAT 2 3 HOH HOH 2 A WAT 3 3 HOH HOH 3 A WAT 4 3 HOH HOH 4 A WAT 5 3 HOH HOH 5 A WAT 6 3 HOH HOH 6 A WAT 7 3 HOH HOH 7 A WAT 8 3 HOH HOH 8 A WAT 9 3 HOH HOH 9 A WAT 10 3 HOH HOH 10 A WAT 11 3 HOH HOH 11 A WAT 12 3 HOH HOH 12 A WAT 13 3 HOH HOH 13 A WAT 14 3 HOH HOH 14 A WAT 15 3 HOH HOH 15 A WAT 16 3 HOH HOH 16 A WAT 17 3 HOH HOH 17 A WAT 18 3 HOH HOH 18 A WAT 19 3 HOH HOH 19 A WAT 20 3 HOH HOH 20 A WAT 21 3 HOH HOH 21 A WAT 22 3 HOH HOH 22 A WAT 23 3 HOH HOH 23 A WAT 24 3 HOH HOH 24 A WAT 25 3 HOH HOH 25 A WAT 26 3 HOH HOH 26 A WAT 27 3 HOH HOH 27 A WAT 28 3 HOH HOH 28 A WAT 29 3 HOH HOH 29 A WAT 30 3 HOH HOH 30 A WAT 31 3 HOH HOH 31 A WAT 32 3 HOH HOH 32 A WAT 33 3 HOH HOH 33 A WAT 34 3 HOH HOH 34 A WAT 35 3 HOH HOH 35 A WAT 36 3 HOH HOH 36 A WAT 37 3 HOH HOH 37 A WAT 38 3 HOH HOH 38 A WAT 39 3 HOH HOH 39 A WAT 40 3 HOH HOH 40 A WAT 41 3 HOH HOH 41 A WAT 42 3 HOH HOH 42 A WAT 43 3 HOH HOH 43 A WAT 44 3 HOH HOH 44 A WAT 45 3 HOH HOH 45 A WAT 46 3 HOH HOH 46 A WAT 47 3 HOH HOH 47 A WAT 48 3 HOH HOH 48 A WAT 49 3 HOH HOH 49 A WAT 50 3 HOH HOH 50 A WAT 51 3 HOH HOH 51 A WAT 52 3 HOH HOH 52 A WAT 53 3 HOH HOH 53 A WAT 54 3 HOH HOH 54 A WAT 55 3 HOH HOH 55 A WAT 56 3 HOH HOH 56 A WAT 57 3 HOH HOH 57 A WAT 58 3 HOH HOH 58 A WAT 59 3 HOH HOH 59 A WAT 60 3 HOH HOH 60 A WAT 61 3 HOH HOH 61 A WAT 62 3 HOH HOH 62 A WAT 63 3 HOH HOH 63 A WAT 64 3 HOH HOH 64 A WAT 65 3 HOH HOH 65 A WAT 66 3 HOH HOH 66 A WAT 1 3 HOH HOH 481 A n 1 110 A n 2 111 A n 3 112 A n 4 113 A n 5 114 A n 6 115 A n 7 116 A n 8 117 A n 9 118 A n 10 119 A n 11 120 A n 12 121 A n 13 122 A n 14 123 A n 15 124 A n 16 125 A n 17 126 A n 18 127 A n 19 128 A n 20 129 A n 21 130 A n 22 131 A n 23 132 A n 24 133 A n 25 134 A n 26 135 A n 27 136 A n 28 137 A n 29 138 A n 30 139 A n 31 140 A n 32 141 A n 33 142 A n 34 143 A n 35 144 A n 36 145 A n 37 146 A n 38 147 A n 39 148 A n 40 149 A n 41 150 A n 42 151 A n 43 152 A n 44 153 A n 45 154 A n 46 155 A n 47 156 A n 48 157 A n 49 158 A THR 159 n 50 THR 159 A ASN 160 n 51 ASN 160 A PRO 161 n 52 PRO 161 A ASP 162 n 53 ASP 162 A ALA 163 n 54 ALA 163 A SER 164 n 55 SER 164 A SER 165 n 56 SER 165 A SER 166 n 57 SER 166 A SER 167 n 58 SER 167 A SER 168 n 59 SER 168 A SER 169 n 60 SER 169 A PHE 170 n 61 PHE 170 A ALA 171 n 62 ALA 171 A VAL 172 n 63 VAL 172 A PRO 173 n 64 PRO 173 A THR 174 n 65 THR 174 A ILE 175 n 66 ILE 175 A HIS 176 n 67 HIS 176 A PHE 177 n 68 PHE 177 A LYS 178 n 69 LYS 178 A GLU 179 n 70 GLU 179 A SER 180 n 71 SER 180 A PRO 181 n 72 PRO 181 A PHE 182 n 73 PHE 182 A TYR 183 n 74 TYR 183 A LYS 184 n 75 LYS 184 A ILE 185 n 76 ILE 185 A GLN 186 n 77 GLN 186 A ARG 187 n 78 ARG 187 A LEU 188 n 79 LEU 188 A ILE 189 n 80 ILE 189 A PRO 190 n 81 PRO 190 A GLU 191 n 82 GLU 191 A LEU 192 n 83 LEU 192 A VAL 193 n 84 VAL 193 A MET 194 n 85 MET 194 A ASN 195 n 86 ASN 195 A VAL 196 n 87 VAL 196 A GLU 197 n 88 GLU 197 A VAL 198 n 89 VAL 198 A THR 199 n 90 THR 199 A GLY 200 n 91 GLY 200 A GLY 201 n 92 GLY 201 A ARG 202 n 93 ARG 202 A GLY 203 n 94 GLY 203 A MET 204 n 95 MET 204 A CYS 205 n 96 CYS 205 A SER 206 n 97 SER 206 A ALA 207 n 98 ALA 207 A LYS 208 n 99 LYS 208 A PHE 209 n 100 PHE 209 A LYS 210 n 101 LYS 210 A LEU 211 n 102 LEU 211 A SER 212 n 103 SER 212 A LYS 213 n 104 LYS 213 A ALA 214 n 105 ALA 214 A ASP 215 n 106 ASP 215 A TYR 216 n 107 TYR 216 A ASN 217 n 108 ASN 217 A LEU 218 n 109 LEU 218 A LEU 219 n 110 LEU 219 A SER 220 n 111 SER 220 A ASN 221 n 112 ASN 221 A PRO 222 n 113 PRO 222 A ASN 223 n 114 ASN 223 A SER 224 n 115 SER 224 A LYS 225 n 116 LYS 225 A HIS 226 n 117 HIS 226 A ARG 227 n 118 ARG 227 A LEU 228 n 119 LEU 228 A TYR 229 n 120 TYR 229 A LEU 230 n 121 LEU 230 A PHE 231 n 122 PHE 231 A SER 232 n 123 SER 232 A GLY 233 n 124 GLY 233 A MET 234 n 125 MET 234 A ILE 235 n 126 ILE 235 A ASN 236 n 127 ASN 236 A PRO 237 n 128 PRO 237 A LEU 238 n 129 LEU 238 A GLY 239 n 130 GLY 239 A SER 240 n 131 SER 240 A ARG 241 n 132 ARG 241 A GLY 242 n 133 GLY 242 A ASN 243 n 134 ASN 243 A GLU 244 n 135 GLU 244 A PRO 245 n 136 PRO 245 A ILE 246 n 137 ILE 246 A GLN 247 n 138 GLN 247 A PHE 248 n 139 PHE 248 A PRO 249 n 140 PRO 249 A PHE 250 n 141 PHE 250 A PRO 251 n 142 PRO 251 A ASN 252 n 143 ASN 252 A GLU 253 n 144 GLU 253 A LEU 254 n 145 LEU 254 A ARG 255 n 146 ARG 255 A CYS 256 n 147 CYS 256 A ASN 257 n 148 ASN 257 A ASN 258 n 149 ASN 258 A VAL 259 n 150 VAL 259 A GLN 260 n 151 GLN 260 A ILE 261 n 152 ILE 261 A LYS 262 n 153 LYS 262 A ASP 263 n 154 ASP 263 A ASN 264 n 155 ASN 264 A ILE 265 n 156 ILE 265 A ARG 266 n 157 ARG 266 A GLY 267 n 158 GLY 267 A PHE 268 n 159 PHE 268 A LYS 269 n 160 LYS 269 A SER 270 n 161 SER 270 A LYS 271 n 162 LYS 271 A PRO 272 n 163 PRO 272 A GLY 273 n 164 GLY 273 A THR 274 n 165 THR 274 A ALA 275 n 166 ALA 275 A LYS 276 n 167 LYS 276 A PRO 277 n 168 PRO 277 A ALA 278 n 169 ALA 278 A ASP 279 n 170 ASP 279 A LEU 280 n 171 LEU 280 A THR 281 n 172 THR 281 A PRO 282 n 173 PRO 282 A HIS 283 n 174 HIS 283 A LEU 284 n 175 LEU 284 A LYS 285 n 176 LYS 285 A PRO 286 n 177 PRO 286 A TYR 287 n 178 TYR 287 A THR 288 n 179 THR 288 A GLN 289 n 180 GLN 289 A GLN 290 n 181 GLN 290 A ASN 291 n 182 ASN 291 A ASN 292 n 183 ASN 292 A VAL 293 n 184 VAL 293 A GLU 294 n 185 GLU 294 A LEU 295 n 186 LEU 295 A ILE 296 n 187 ILE 296 A TYR 297 n 188 TYR 297 A ALA 298 n 189 ALA 298 A PHE 299 n 190 PHE 299 A THR 300 n 191 THR 300 A THR 301 n 192 THR 301 A LYS 302 n 193 LYS 302 A GLU 303 n 194 GLU 303 A TYR 304 n 195 TYR 304 A LYS 305 n 196 LYS 305 A LEU 306 n 197 LEU 306 A PHE 307 n 198 PHE 307 A GLY 308 n 199 GLY 308 A TYR 309 n 200 TYR 309 A ILE 310 n 201 ILE 310 A VAL 311 n 202 VAL 311 A GLU 312 n 203 GLU 312 A MET 313 n 204 MET 313 A ILE 314 n 205 ILE 314 A THR 315 n 206 THR 315 A PRO 316 n 207 PRO 316 A GLU 317 n 208 GLU 317 A GLN 318 n 209 GLN 318 A LEU 319 n 210 LEU 319 A LEU 320 n 211 LEU 320 A GLU 321 n 212 GLU 321 A LYS 322 n 213 LYS 322 A VAL 323 n 214 VAL 323 A LEU 324 n 215 LEU 324 A GLN 325 n 216 GLN 325 A HIS 326 n 217 HIS 326 A PRO 327 n 218 PRO 327 A LYS 328 n 219 LYS 328 A ILE 329 n 220 ILE 329 A ILE 330 n 221 ILE 330 A LYS 331 n 222 LYS 331 A GLN 332 n 223 GLN 332 A ALA 333 n 224 ALA 333 A THR 334 n 225 THR 334 A LEU 335 n 226 LEU 335 A LEU 336 n 227 LEU 336 A TYR 337 n 228 TYR 337 A LEU 338 n 229 LEU 338 A LYS 339 n 230 LYS 339 A LYS 340 n 231 LYS 340 A THR 341 n 232 THR 341 A LEU 342 n 233 LEU 342 A ARG 343 n 234 ARG 343 A GLU 344 n 235 GLU 344 A ASP 345 n 236 ASP 345 A GLU 346 n 237 GLU 346 A n 238 347 A n 239 348 A n 240 349 A n 241 350 A n 242 351 A n 243 352 A THR 353 n 244 THR 353 A SER 354 n 245 SER 354 A THR 355 n 246 THR 355 A ILE 356 n 247 ILE 356 A MET 357 n 248 MET 357 A SER 358 n 249 SER 358 A LEU 359 n 250 LEU 359 A GLN 360 n 251 GLN 360 A CYS 361 n 252 CYS 361 A PRO 362 n 253 PRO 362 A ILE 363 n 254 ILE 363 A SER 364 n 255 SER 364 A TYR 365 n 256 TYR 365 A THR 366 n 257 THR 366 A ARG 367 n 258 ARG 367 A MET 368 n 259 MET 368 A LYS 369 n 260 LYS 369 A TYR 370 n 261 TYR 370 A PRO 371 n 262 PRO 371 A SER 372 n 263 SER 372 A LYS 373 n 264 LYS 373 A SER 374 n 265 SER 374 A ILE 375 n 266 ILE 375 A ASN 376 n 267 ASN 376 A CYS 377 n 268 CYS 377 A LYS 378 n 269 LYS 378 A HIS 379 n 270 HIS 379 A LEU 380 n 271 LEU 380 A GLN 381 n 272 GLN 381 A CYS 382 n 273 CYS 382 A PHE 383 n 274 PHE 383 A ASP 384 n 275 ASP 384 A ALA 385 n 276 ALA 385 A LEU 386 n 277 LEU 386 A TRP 387 n 278 TRP 387 A PHE 388 n 279 PHE 388 A LEU 389 n 280 LEU 389 A HIS 390 n 281 HIS 390 A SER 391 n 282 SER 391 A GLN 392 n 283 GLN 392 A LEU 393 n 284 LEU 393 A GLN 394 n 285 GLN 394 A ILE 395 n 286 ILE 395 A PRO 396 n 287 PRO 396 A THR 397 n 288 THR 397 A TRP 398 n 289 TRP 398 A GLN 399 n 290 GLN 399 A CYS 400 n 291 CYS 400 A PRO 401 n 292 PRO 401 A VAL 402 n 293 VAL 402 A CYS 403 n 294 CYS 403 A GLN 404 n 295 GLN 404 A ILE 405 n 296 ILE 405 A ASP 406 n 297 ASP 406 A ILE 407 n 298 ILE 407 A ALA 408 n 299 ALA 408 A LEU 409 n 300 LEU 409 A GLU 410 n 301 GLU 410 A ASN 411 n 302 ASN 411 A LEU 412 n 303 LEU 412 A ALA 413 n 304 ALA 413 A ILE 414 n 305 ILE 414 A SER 415 n 306 SER 415 A GLU 416 n 307 GLU 416 A PHE 417 n 308 PHE 417 A VAL 418 n 309 VAL 418 A ASP 419 n 310 ASP 419 A ASP 420 n 311 ASP 420 A ILE 421 n 312 ILE 421 A LEU 422 n 313 LEU 422 A GLN 423 n 314 GLN 423 A ASN 424 n 315 ASN 424 A CYS 425 n 316 CYS 425 A GLN 426 n 317 GLN 426 A LYS 427 n 318 LYS 427 A ASN 428 n 319 ASN 428 A VAL 429 n 320 VAL 429 A GLU 430 n 321 GLU 430 A GLN 431 n 322 GLN 431 A VAL 432 n 323 VAL 432 A GLU 433 n 324 GLU 433 A LEU 434 n 325 LEU 434 A THR 435 n 326 THR 435 A SER 436 n 327 SER 436 A ASP 437 n 328 ASP 437 A GLY 438 n 329 GLY 438 A LYS 439 n 330 LYS 439 A TRP 440 n 331 TRP 440 A THR 441 n 332 THR 441 A ALA 442 n 333 ALA 442 A ILE 443 n 334 ILE 443 A LEU 444 n 335 LEU 444 A n 336 445 A n 337 446 A n 338 447 A n 339 448 A n 340 449 A n 341 450 A n 342 451 A n 343 452 A n 344 453 A n 345 454 A n 346 455 A n 347 456 A n 348 457 A n 349 458 A n 350 459 A n 351 460 A n 352 461 A n 353 462 A n 354 463 A n 355 464 A n 356 465 A n 357 466 A n 358 467 A n 359 468 A n 360 469 A n 361 470 A n 362 471 A n 363 472 A n 364 473 A n 365 474 A n 366 475 A n 367 476 A n 368 477 A n 369 478 A n 370 479 A n 371 480 A author_and_software_defined_assembly PISA 1 monomeric A CYS 377 A SG CYS 268 1_555 A ZN 1 B ZN ZN 1_555 A HIS 379 A NE2 HIS 270 1_555 110.8 A CYS 377 A SG CYS 268 1_555 A ZN 1 B ZN ZN 1_555 A CYS 400 A SG CYS 291 1_555 110.2 A HIS 379 A NE2 HIS 270 1_555 A ZN 1 B ZN ZN 1_555 A CYS 400 A SG CYS 291 1_555 105.2 A CYS 377 A SG CYS 268 1_555 A ZN 1 B ZN ZN 1_555 A CYS 403 A SG CYS 294 1_555 117.1 A HIS 379 A NE2 HIS 270 1_555 A ZN 1 B ZN ZN 1_555 A CYS 403 A SG CYS 294 1_555 108.9 A CYS 400 A SG CYS 291 1_555 A ZN 1 B ZN ZN 1_555 A CYS 403 A SG CYS 294 1_555 103.8 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 A N VAL 196 A N VAL 87 A O TYR 304 A O TYR 195 A O VAL 311 A O VAL 202 A N ARG 227 A N ARG 118 A N LEU 230 A N LEU 121 A O ALA 278 A O ALA 169 A N CYS 205 A N CYS 96 A O LEU 295 A O LEU 186 A O GLU 294 A O GLU 185 A N ARG 255 A N ARG 146 A N CYS 256 A N CYS 147 A O VAL 259 A O VAL 150 A N THR 355 A N THR 246 A O LEU 434 A O LEU 325 A N GLU 433 A N GLU 324 A O THR 441 A O THR 332 A O PHE 383 A O PHE 274 A N SER 372 A N SER 263 A N LYS 373 A N LYS 264 A O ALA 413 A O ALA 304 1 A CG2 THR 159 A CG2 THR 50 1 Y 1 A CG PHE 170 A CG PHE 61 1 Y 1 A CD1 PHE 170 A CD1 PHE 61 1 Y 1 A CD2 PHE 170 A CD2 PHE 61 1 Y 1 A CE1 PHE 170 A CE1 PHE 61 1 Y 1 A CE2 PHE 170 A CE2 PHE 61 1 Y 1 A CZ PHE 170 A CZ PHE 61 1 Y 1 A CG LEU 444 A CG LEU 335 1 Y 1 A CD1 LEU 444 A CD1 LEU 335 1 Y 1 A CD2 LEU 444 A CD2 LEU 335 1 Y 1 A SER 110 A SER 1 1 Y 1 A LEU 111 A LEU 2 1 Y 1 A THR 112 A THR 3 1 Y 1 A PRO 113 A PRO 4 1 Y 1 A LEU 114 A LEU 5 1 Y 1 A SER 115 A SER 6 1 Y 1 A ALA 116 A ALA 7 1 Y 1 A ILE 117 A ILE 8 1 Y 1 A THR 118 A THR 9 1 Y 1 A VAL 119 A VAL 10 1 Y 1 A ARG 120 A ARG 11 1 Y 1 A SER 121 A SER 12 1 Y 1 A MET 122 A MET 13 1 Y 1 A GLU 123 A GLU 14 1 Y 1 A GLY 124 A GLY 15 1 Y 1 A PRO 125 A PRO 16 1 Y 1 A PRO 126 A PRO 17 1 Y 1 A THR 127 A THR 18 1 Y 1 A VAL 128 A VAL 19 1 Y 1 A GLN 129 A GLN 20 1 Y 1 A GLN 130 A GLN 21 1 Y 1 A GLN 131 A GLN 22 1 Y 1 A SER 132 A SER 23 1 Y 1 A PRO 133 A PRO 24 1 Y 1 A SER 134 A SER 25 1 Y 1 A VAL 135 A VAL 26 1 Y 1 A ILE 136 A ILE 27 1 Y 1 A ARG 137 A ARG 28 1 Y 1 A GLN 138 A GLN 29 1 Y 1 A SER 139 A SER 30 1 Y 1 A PRO 140 A PRO 31 1 Y 1 A THR 141 A THR 32 1 Y 1 A GLN 142 A GLN 33 1 Y 1 A ARG 143 A ARG 34 1 Y 1 A ARG 144 A ARG 35 1 Y 1 A LYS 145 A LYS 36 1 Y 1 A THR 146 A THR 37 1 Y 1 A SER 147 A SER 38 1 Y 1 A THR 148 A THR 39 1 Y 1 A THR 149 A THR 40 1 Y 1 A SER 150 A SER 41 1 Y 1 A SER 151 A SER 42 1 Y 1 A THR 152 A THR 43 1 Y 1 A SER 153 A SER 44 1 Y 1 A ARG 154 A ARG 45 1 Y 1 A ALA 155 A ALA 46 1 Y 1 A PRO 156 A PRO 47 1 Y 1 A PRO 157 A PRO 48 1 Y 1 A PRO 158 A PRO 49 1 Y 1 A GLU 347 A GLU 238 1 Y 1 A MET 348 A MET 239 1 Y 1 A GLY 349 A GLY 240 1 Y 1 A LEU 350 A LEU 241 1 Y 1 A THR 351 A THR 242 1 Y 1 A THR 352 A THR 243 1 Y 1 A GLU 445 A GLU 336 1 Y 1 A ASP 446 A ASP 337 1 Y 1 A ASP 447 A ASP 338 1 Y 1 A ASP 448 A ASP 339 1 Y 1 A ASP 449 A ASP 340 1 Y 1 A SER 450 A SER 341 1 Y 1 A ASP 451 A ASP 342 1 Y 1 A SER 452 A SER 343 1 Y 1 A ASP 453 A ASP 344 1 Y 1 A SER 454 A SER 345 1 Y 1 A ASN 455 A ASN 346 1 Y 1 A ASP 456 A ASP 347 1 Y 1 A GLY 457 A GLY 348 1 Y 1 A SER 458 A SER 349 1 Y 1 A ARG 459 A ARG 350 1 Y 1 A SER 460 A SER 351 1 Y 1 A PRO 461 A PRO 352 1 Y 1 A GLU 462 A GLU 353 1 Y 1 A LYS 463 A LYS 354 1 Y 1 A GLY 464 A GLY 355 1 Y 1 A THR 465 A THR 356 1 Y 1 A LEU 466 A LEU 357 1 Y 1 A GLY 467 A GLY 358 1 Y 1 A GLU 468 A GLU 359 1 Y 1 A GLY 469 A GLY 360 1 Y 1 A ALA 470 A ALA 361 1 Y 1 A ALA 471 A ALA 362 1 Y 1 A ALA 472 A ALA 363 1 Y 1 A LEU 473 A LEU 364 1 Y 1 A GLU 474 A GLU 365 1 Y 1 A HIS 475 A HIS 366 1 Y 1 A HIS 476 A HIS 367 1 Y 1 A HIS 477 A HIS 368 1 Y 1 A HIS 478 A HIS 369 1 Y 1 A HIS 479 A HIS 370 1 Y 1 A HIS 480 A HIS 371 1 Y 1 A SER 164 -127.50 -152.74 1 A SER 165 -157.92 -37.96 1 A PHE 170 -143.74 -119.39 1 A ALA 171 -171.17 111.86 1 A VAL 172 78.24 83.68 1 A ASN 217 -65.90 -72.13 1 A LEU 218 -38.23 -38.94 1 A SER 220 -56.30 -77.22 1 A ASN 221 -22.05 142.07 1 A LYS 225 -90.69 30.99 1 A TYR 287 2.73 -79.50 1 A GLN 289 -178.82 118.08 1 A LEU 342 -49.77 -10.99 1 A GLU 344 -63.86 99.70 1 A ASP 345 -126.25 -158.34 1 A LYS 373 178.96 162.37 1 A LYS 378 -103.70 77.83 1 A HIS 379 179.47 150.47 1 A PRO 396 -63.16 91.37 1 A GLN 404 58.37 4.96 1 A ASN 424 -146.49 38.36 1 A LYS 427 -43.90 -13.25 protein_rep.param protein.top dna-rna_rep.param dna-rna.top water_rep.param water.top ion.param ion.top 141.48 66.641 19.83 36.740 0.000 0.000 -18.640 0.000 -18.100 BULK SOLVENT MODEL USED 0.259 0.010 0.211 2.600 34.02 672 13476 13193 5.100 97.900 1.00 1.00 RANDOM 1237748.000 0.000 1 RESTRAINED THROUGHOUT 0.00 SAD Engh & Huber FLAT MODEL 40.547 0.350 0.440 0.340 40.000 0.520 0.470 2.600 34.02 66 2302 1 0 2235 0.008 1.500 24.500 1.040 3.580 1.500 5.480 2.000 5.570 2.000 7.480 2.500 0.369 0.037 0.351 2.760 99 1918 2017 6 4.900 91.800 51.900 2.6 34.02 3I2D 13901 13595 -0.5 0.073 1 22 97.8 0.434 2.6 2.69 2.6 1 89.2 refinement Axel T. Brunger axel.brunger@yale.edu Fortran_77 http://cns-online.org/ CNS package 1.2 data extraction PDB help@deposit.rcsb.org June 11, 2008 C++ http://sw-tools.pdb.org/apps/PDB_EXTRACT/ PDB_EXTRACT package 3.005 data collection ADSC Quantum data reduction DENZO data scaling SCALEPACK phasing SHARP Crystal Structure of S. Cerevisiae SUMO E3 Ligase SIZ1 1 N N 2 N N 3 N N A SER 212 A SER 103 HELX_P A ASN 221 A ASN 112 1 1 10 A SER 240 A SER 131 HELX_P A GLU 244 A GLU 135 5 2 5 A PRO 272 A PRO 163 HELX_P A LYS 276 A LYS 167 5 3 5 A THR 281 A THR 172 HELX_P A LEU 284 A LEU 175 5 4 4 A THR 315 A THR 206 HELX_P A GLN 325 A GLN 216 1 5 11 A ILE 330 A ILE 221 HELX_P A GLU 344 A GLU 235 1 6 15 A ALA 385 A ALA 276 HELX_P A ILE 395 A ILE 286 1 7 11 A ALA 408 A ALA 299 HELX_P A GLU 410 A GLU 301 5 8 3 A SER 415 A SER 306 HELX_P A GLN 423 A GLN 314 1 9 9 metalc 2.118 A ZN 1 B ZN ZN 1_555 A CYS 377 A SG CYS 268 1_555 metalc 2.115 A ZN 1 B ZN ZN 1_555 A HIS 379 A NE2 HIS 270 1_555 metalc 2.319 A ZN 1 B ZN ZN 1_555 A CYS 400 A SG CYS 291 1_555 metalc 2.294 A ZN 1 B ZN ZN 1_555 A CYS 403 A SG CYS 294 1_555 LIGASE SUMO, SIGNAL TRANSDUCTION, REPLICATION, RING E3, PIAS, SIZ, UBIQUITIN, UBC9, Ligase, Metal-binding, Nucleus, Phosphoprotein, Ubl conjugation pathway, Zinc-finger A PHE 250 A PHE 141 1 A PRO 251 A PRO 142 0.52 SIZ1_YEAST UNP 1 112 Q04195 TPLSAITVRSMEGPPTVQQQSPSVIRQSPTQRRKTSTTSSTSRAPPPTNPDASSSSSSFAVPTIHFKESPFYKIQRLIPE LVMNVEVTGGRGMCSAKFKLSKADYNLLSNPNSKHRLYLFSGMINPLGSRGNEPIQFPFPNELRCNNVQIKDNIRGFKSK PGTAKPADLTPHLKPYTQQNNVELIYAFTTKEYKLFGYIVEMITPEQLLEKVLQHPKIIKQATLLYLKKTLREDEEMGLT TTSTIMSLQCPISYTRMKYPSKSINCKHLQCFDALWFLHSQLQIPTWQCPVCQIDIALENLAISEFVDDILQNCQKNVEQ VELTSDGKWTAILEDDDDSDSDSNDGSRSPEKGT 112 465 3I2D 112 465 Q04195 A 1 3 356 1 expression tag SER 110 3I2D A Q04195 UNP 1 1 expression tag LEU 111 3I2D A Q04195 UNP 2 1 expression tag LEU 466 3I2D A Q04195 UNP 357 1 expression tag GLY 467 3I2D A Q04195 UNP 358 1 expression tag GLU 468 3I2D A Q04195 UNP 359 1 expression tag GLY 469 3I2D A Q04195 UNP 360 1 expression tag ALA 470 3I2D A Q04195 UNP 361 1 expression tag ALA 471 3I2D A Q04195 UNP 362 1 expression tag ALA 472 3I2D A Q04195 UNP 363 1 expression tag LEU 473 3I2D A Q04195 UNP 364 1 expression tag GLU 474 3I2D A Q04195 UNP 365 1 expression tag HIS 475 3I2D A Q04195 UNP 366 1 expression tag HIS 476 3I2D A Q04195 UNP 367 1 expression tag HIS 477 3I2D A Q04195 UNP 368 1 expression tag HIS 478 3I2D A Q04195 UNP 369 1 expression tag HIS 479 3I2D A Q04195 UNP 370 1 expression tag HIS 480 3I2D A Q04195 UNP 371 4 4 3 3 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A TYR 183 A TYR 74 A VAL 196 A VAL 87 A TYR 304 A TYR 195 A MET 313 A MET 204 A HIS 226 A HIS 117 A MET 234 A MET 125 A ALA 278 A ALA 169 A ASP 279 A ASP 170 A THR 199 A THR 90 A PHE 209 A PHE 100 A ASN 291 A ASN 182 A THR 300 A THR 191 A ASN 252 A ASN 143 A CYS 256 A CYS 147 A VAL 259 A VAL 150 A GLN 260 A GLN 151 A SER 354 A SER 245 A SER 358 A SER 249 A GLN 431 A GLN 322 A THR 435 A THR 326 A TRP 440 A TRP 331 A ALA 442 A ALA 333 A PHE 383 A PHE 274 A ASP 384 A ASP 275 A PRO 371 A PRO 262 A SER 374 A SER 265 A LEU 412 A LEU 303 A ILE 414 A ILE 305 BINDING SITE FOR RESIDUE ZN A 1 A ZN 1 Software 4 A CYS 377 A CYS 268 4 1_555 A HIS 379 A HIS 270 4 1_555 A CYS 400 A CYS 291 4 1_555 A CYS 403 A CYS 294 4 1_555 19 P 21 21 21