0.02020 0.00000 0.00000 0.00000 0.01602 0.00000 0.00000 0.00000 0.01226 0.00000 0.00000 0.00000 Picone, D. Di Fiore, A. Ercole, C. Franzese, M. Sica, F. Tomaselli, S. Mazzarella, L. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 49.500 62.433 81.594 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 C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking 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 C Y 330 N C Y 331 N C N 332 N O N 333 N O N 334 N H N 335 N H 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 N N 346 S C N 347 N C N 348 N O N 349 N C N 350 N C N 351 N C N 352 N O N 353 N H N 354 N H N 355 N H N 356 N H N 357 N H N 358 N H N 359 N H N 360 N H N 361 N H N 362 N H N 363 N H 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 N 322 N sing Y 323 N doub N 324 N sing Y 325 N sing N 326 N sing N 327 N sing N 328 N sing N 329 N sing N 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 doub N 337 N sing N 338 N sing N 339 N sing N 340 N sing N 341 N sing N 342 N sing N 343 N sing N 344 N sing N 345 N sing N 346 N sing N 347 N sing US J.Biol.Chem. JBCHA3 0071 0021-9258 280 13771 13778 10.1074/jbc.M413157200 15647261 The Role of the Hinge Loop in Domain Swapping: THE SPECIAL CASE OF BOVINE SEMINAL RIBONUCLEASE. 2005 DK Acta Crystallogr.,Sect.D ABCRE6 0766 0907-4449 D49 389 402 Bovine seminal ribonuclease: structure at 1.9 resolution 1993 US Biopolymers BIPMAA 0161 0006-3525 73 689 695 Population shift vs induced fit: the case of bovine seminal ribonuclease swapping dimer. 2004 US J.Biol.Chem. JBCHA3 0071 0021-9258 279 36753 36760 Structure and stability of the non-covalent swapped dimer of bovine seminal ribonuclease: an enzyme tailored to evade ribonuclease protein inhibitor. 2004 US Proteins PSFGEY 0867 0887-3585 52 263 271 The unswapped chain of bovine seminal ribonuclease: Crystal structure of the free and liganded monomeric derivative. 2003 UK J.Mol.Biol. JMOBAK 0070 0022-2836 293 569 577 A potential allosteric subsite generated by domain swapping in bovine seminal ribonuclease. 1999 US Protein Sci. PRCIEI 0795 0961-8368 7 1691 1699 Binding of a substrate analog to a domain swapping protein: X-ray structure of the complex of bovine seminal ribonuclease with uridylyl(2',5')adenosine. 1998 UK J.Mol.Biol. JMOBAK 0070 0022-2836 293 569 577 A potential allosteric subsite generated by domain swapping in bovine seminal ribonuclease. 1999 10.2210/pdb1y92/pdb pdb_00001y92 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 298 1 AREA DETECTOR 2003-12-18 ENRAF-NONIUS SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE ENRAF-NONIUS FR591 13607.587 Seminal ribonuclease 3.1.27.5 P19A, N67D 2 man polymer 18.015 water 96 nat water Seminal RNase, S-RNase, Ribonuclease BS-1 no no KESAAAKFERQHMDSGNSASSSSNYCNLMMCCRKMTQGKCKPVNTFVHESLADVKAVCSQKKVTCKDGQTNCYQSKSTMR ITDCRETGSSKYPNCAYKTTQVEKHIIVACGGKPSVPVHFDASV KESAAAKFERQHMDSGNSASSSSNYCNLMMCCRKMTQGKCKPVNTFVHESLADVKAVCSQKKVTCKDGQTNCYQSKSTMR ITDCRETGSSKYPNCAYKTTQVEKHIIVACGGKPSVPVHFDASV A,B 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 cattle Bos Escherichia sample SRN 9913 Bos taurus 562 Escherichia coli plasmid pET-22b(+) 1 2.32 46.90 VAPOR DIFFUSION, SITTING DROP 8.5 PEG 4000, Tris-HCl, sodium acetate, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K 293 database_2 struct_ref_seq_dif chem_comp_atom chem_comp_bond pdbx_initial_refinement_model pdbx_entry_details pdbx_modification_feature repository Initial release Version format compliance Version format compliance Database references Data collection Refinement description Structure summary 1 0 2004-12-28 1 1 2008-04-30 1 2 2011-07-13 1 3 2021-10-20 1 4 2023-08-23 1 5 2024-10-30 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_ref_seq_dif.details The native protein with Space Group: P 2 21 21 The native protein with Space Group:P 21 21 21 Crystal structure of the G16S/N17T/P19A/S20A Variant Of Bovine seminal Ribonuclease RCSB Y RCSB 2004-12-14 REL REL HOH water Y 1R5D PDB ENTRY 1R5D PDB experimental model A CYS 26 Disulfide bridge SG A CYS 26 A CYS 84 SG A CYS 84 1_555 1_555 None A CYS 31 Disulfide bridge SG A CYS 31 B CYS 32 SG B CYS 32 1_555 1_555 None A CYS 32 Disulfide bridge SG A CYS 32 B CYS 31 SG B CYS 31 1_555 1_555 None A CYS 40 Disulfide bridge SG A CYS 40 A CYS 95 SG A CYS 95 1_555 1_555 None A CYS 58 Disulfide bridge SG A CYS 58 A CYS 110 SG A CYS 110 1_555 1_555 None A CYS 65 Disulfide bridge SG A CYS 65 A CYS 72 SG A CYS 72 1_555 1_555 None B CYS 26 Disulfide bridge SG B CYS 26 B CYS 84 SG B CYS 84 1_555 1_555 None B CYS 40 Disulfide bridge SG B CYS 40 B CYS 95 SG B CYS 95 1_555 1_555 None B CYS 58 Disulfide bridge SG B CYS 58 B CYS 110 SG B CYS 110 1_555 1_555 None B CYS 65 Disulfide bridge SG B CYS 65 B CYS 72 SG B CYS 72 1_555 1_555 None WAT 702 2 HOH HOH 702 A WAT 705 2 HOH HOH 705 A WAT 706 2 HOH HOH 706 A WAT 709 2 HOH HOH 709 A WAT 710 2 HOH HOH 710 A WAT 714 2 HOH HOH 714 A WAT 716 2 HOH HOH 716 A WAT 718 2 HOH HOH 718 A WAT 719 2 HOH HOH 719 A WAT 721 2 HOH HOH 721 A WAT 722 2 HOH HOH 722 A WAT 723 2 HOH HOH 723 A WAT 725 2 HOH HOH 725 A WAT 727 2 HOH HOH 727 A WAT 728 2 HOH HOH 728 A WAT 729 2 HOH HOH 729 A WAT 731 2 HOH HOH 731 A WAT 732 2 HOH HOH 732 A WAT 733 2 HOH HOH 733 A WAT 736 2 HOH HOH 736 A WAT 737 2 HOH HOH 737 A WAT 745 2 HOH HOH 745 A WAT 754 2 HOH HOH 754 A WAT 756 2 HOH HOH 756 A WAT 758 2 HOH HOH 758 A WAT 761 2 HOH HOH 761 A WAT 762 2 HOH HOH 762 A WAT 763 2 HOH HOH 763 A WAT 767 2 HOH HOH 767 A WAT 773 2 HOH HOH 773 A WAT 782 2 HOH HOH 782 A WAT 784 2 HOH HOH 784 A WAT 785 2 HOH HOH 785 A WAT 787 2 HOH HOH 787 A WAT 789 2 HOH HOH 789 A WAT 790 2 HOH HOH 790 A WAT 791 2 HOH HOH 791 A WAT 795 2 HOH HOH 795 A WAT 802 2 HOH HOH 802 A WAT 805 2 HOH HOH 805 A WAT 806 2 HOH HOH 806 A WAT 808 2 HOH HOH 808 A WAT 810 2 HOH HOH 810 A WAT 811 2 HOH HOH 811 A WAT 813 2 HOH HOH 813 A WAT 814 2 HOH HOH 814 A WAT 817 2 HOH HOH 817 A WAT 701 2 HOH HOH 701 B WAT 703 2 HOH HOH 703 B WAT 704 2 HOH HOH 704 B WAT 707 2 HOH HOH 707 B WAT 708 2 HOH HOH 708 B WAT 711 2 HOH HOH 711 B WAT 712 2 HOH HOH 712 B WAT 713 2 HOH HOH 713 B WAT 715 2 HOH HOH 715 B WAT 717 2 HOH HOH 717 B WAT 720 2 HOH HOH 720 B WAT 724 2 HOH HOH 724 B WAT 726 2 HOH HOH 726 B WAT 730 2 HOH HOH 730 B WAT 734 2 HOH HOH 734 B WAT 735 2 HOH HOH 735 B WAT 738 2 HOH HOH 738 B WAT 739 2 HOH HOH 739 B WAT 742 2 HOH HOH 742 B WAT 743 2 HOH HOH 743 B WAT 747 2 HOH HOH 747 B WAT 749 2 HOH HOH 749 B WAT 751 2 HOH HOH 751 B WAT 752 2 HOH HOH 752 B WAT 753 2 HOH HOH 753 B WAT 755 2 HOH HOH 755 B WAT 757 2 HOH HOH 757 B WAT 764 2 HOH HOH 764 B WAT 768 2 HOH HOH 768 B WAT 770 2 HOH HOH 770 B WAT 771 2 HOH HOH 771 B WAT 772 2 HOH HOH 772 B WAT 774 2 HOH HOH 774 B WAT 778 2 HOH HOH 778 B WAT 780 2 HOH HOH 780 B WAT 781 2 HOH HOH 781 B WAT 788 2 HOH HOH 788 B WAT 792 2 HOH HOH 792 B WAT 796 2 HOH HOH 796 B WAT 799 2 HOH HOH 799 B WAT 800 2 HOH HOH 800 B WAT 801 2 HOH HOH 801 B WAT 803 2 HOH HOH 803 B WAT 804 2 HOH HOH 804 B WAT 807 2 HOH HOH 807 B WAT 809 2 HOH HOH 809 B WAT 812 2 HOH HOH 812 B WAT 815 2 HOH HOH 815 B WAT 816 2 HOH HOH 816 B LYS 1 n 1 LYS 1 A GLU 2 n 2 GLU 2 A SER 3 n 3 SER 3 A ALA 4 n 4 ALA 4 A ALA 5 n 5 ALA 5 A ALA 6 n 6 ALA 6 A LYS 7 n 7 LYS 7 A PHE 8 n 8 PHE 8 A GLU 9 n 9 GLU 9 A ARG 10 n 10 ARG 10 A GLN 11 n 11 GLN 11 A HIS 12 n 12 HIS 12 A MET 13 n 13 MET 13 A ASP 14 n 14 ASP 14 A SER 15 n 15 SER 15 A GLY 16 n 16 GLY 16 A n 17 17 A n 18 18 A n 19 19 A n 20 20 A SER 17 n 21 SER 21 A SER 18 n 22 SER 22 A SER 19 n 23 SER 23 A ASN 20 n 24 ASN 24 A TYR 21 n 25 TYR 25 A CYS 22 n 26 CYS 26 A ASN 23 n 27 ASN 27 A LEU 24 n 28 LEU 28 A MET 25 n 29 MET 29 A MET 26 n 30 MET 30 A CYS 27 n 31 CYS 31 A CYS 28 n 32 CYS 32 A ARG 29 n 33 ARG 33 A LYS 30 n 34 LYS 34 A MET 31 n 35 MET 35 A THR 32 n 36 THR 36 A GLN 33 n 37 GLN 37 A GLY 34 n 38 GLY 38 A LYS 35 n 39 LYS 39 A CYS 36 n 40 CYS 40 A LYS 37 n 41 LYS 41 A PRO 38 n 42 PRO 42 A VAL 39 n 43 VAL 43 A ASN 40 n 44 ASN 44 A THR 41 n 45 THR 45 A PHE 42 n 46 PHE 46 A VAL 43 n 47 VAL 47 A HIS 44 n 48 HIS 48 A GLU 45 n 49 GLU 49 A SER 46 n 50 SER 50 A LEU 47 n 51 LEU 51 A ALA 48 n 52 ALA 52 A ASP 49 n 53 ASP 53 A VAL 50 n 54 VAL 54 A LYS 51 n 55 LYS 55 A ALA 52 n 56 ALA 56 A VAL 53 n 57 VAL 57 A CYS 54 n 58 CYS 58 A SER 55 n 59 SER 59 A GLN 56 n 60 GLN 60 A LYS 57 n 61 LYS 61 A LYS 58 n 62 LYS 62 A VAL 59 n 63 VAL 63 A THR 60 n 64 THR 64 A CYS 61 n 65 CYS 65 A LYS 62 n 66 LYS 66 A ASP 63 n 67 ASP 67 A GLY 64 n 68 GLY 68 A GLN 65 n 69 GLN 69 A THR 66 n 70 THR 70 A ASN 67 n 71 ASN 71 A CYS 68 n 72 CYS 72 A TYR 69 n 73 TYR 73 A GLN 70 n 74 GLN 74 A SER 71 n 75 SER 75 A LYS 72 n 76 LYS 76 A SER 73 n 77 SER 77 A THR 74 n 78 THR 78 A MET 75 n 79 MET 79 A ARG 76 n 80 ARG 80 A ILE 77 n 81 ILE 81 A THR 78 n 82 THR 82 A ASP 79 n 83 ASP 83 A CYS 80 n 84 CYS 84 A ARG 81 n 85 ARG 85 A GLU 82 n 86 GLU 86 A THR 83 n 87 THR 87 A GLY 84 n 88 GLY 88 A SER 85 n 89 SER 89 A SER 86 n 90 SER 90 A LYS 87 n 91 LYS 91 A TYR 88 n 92 TYR 92 A PRO 89 n 93 PRO 93 A ASN 90 n 94 ASN 94 A CYS 91 n 95 CYS 95 A ALA 92 n 96 ALA 96 A TYR 93 n 97 TYR 97 A LYS 94 n 98 LYS 98 A THR 95 n 99 THR 99 A THR 96 n 100 THR 100 A GLN 97 n 101 GLN 101 A VAL 98 n 102 VAL 102 A GLU 99 n 103 GLU 103 A LYS 100 n 104 LYS 104 A HIS 101 n 105 HIS 105 A ILE 102 n 106 ILE 106 A ILE 103 n 107 ILE 107 A VAL 104 n 108 VAL 108 A ALA 105 n 109 ALA 109 A CYS 106 n 110 CYS 110 A GLY 107 n 111 GLY 111 A GLY 108 n 112 GLY 112 A LYS 109 n 113 LYS 113 A PRO 110 n 114 PRO 114 A SER 111 n 115 SER 115 A VAL 112 n 116 VAL 116 A PRO 113 n 117 PRO 117 A VAL 114 n 118 VAL 118 A HIS 115 n 119 HIS 119 A PHE 116 n 120 PHE 120 A ASP 117 n 121 ASP 121 A ALA 118 n 122 ALA 122 A SER 119 n 123 SER 123 A VAL 120 n 124 VAL 124 A LYS 1 n 1 LYS 1 B GLU 2 n 2 GLU 2 B SER 3 n 3 SER 3 B ALA 4 n 4 ALA 4 B ALA 5 n 5 ALA 5 B ALA 6 n 6 ALA 6 B LYS 7 n 7 LYS 7 B PHE 8 n 8 PHE 8 B GLU 9 n 9 GLU 9 B ARG 10 n 10 ARG 10 B GLN 11 n 11 GLN 11 B HIS 12 n 12 HIS 12 B MET 13 n 13 MET 13 B ASP 14 n 14 ASP 14 B SER 15 n 15 SER 15 B GLY 16 n 16 GLY 16 B ASN 17 n 17 ASN 17 B SER 18 n 18 SER 18 B ALA 19 n 19 ALA 19 B SER 20 n 20 SER 20 B SER 21 n 21 SER 21 B SER 22 n 22 SER 22 B SER 23 n 23 SER 23 B ASN 24 n 24 ASN 24 B TYR 25 n 25 TYR 25 B CYS 26 n 26 CYS 26 B ASN 27 n 27 ASN 27 B LEU 28 n 28 LEU 28 B MET 29 n 29 MET 29 B MET 30 n 30 MET 30 B CYS 31 n 31 CYS 31 B CYS 32 n 32 CYS 32 B ARG 33 n 33 ARG 33 B LYS 34 n 34 LYS 34 B MET 35 n 35 MET 35 B THR 36 n 36 THR 36 B GLN 37 n 37 GLN 37 B GLY 38 n 38 GLY 38 B LYS 39 n 39 LYS 39 B CYS 40 n 40 CYS 40 B LYS 41 n 41 LYS 41 B PRO 42 n 42 PRO 42 B VAL 43 n 43 VAL 43 B ASN 44 n 44 ASN 44 B THR 45 n 45 THR 45 B PHE 46 n 46 PHE 46 B VAL 47 n 47 VAL 47 B HIS 48 n 48 HIS 48 B GLU 49 n 49 GLU 49 B SER 50 n 50 SER 50 B LEU 51 n 51 LEU 51 B ALA 52 n 52 ALA 52 B ASP 53 n 53 ASP 53 B VAL 54 n 54 VAL 54 B LYS 55 n 55 LYS 55 B ALA 56 n 56 ALA 56 B VAL 57 n 57 VAL 57 B CYS 58 n 58 CYS 58 B SER 59 n 59 SER 59 B GLN 60 n 60 GLN 60 B LYS 61 n 61 LYS 61 B LYS 62 n 62 LYS 62 B VAL 63 n 63 VAL 63 B THR 64 n 64 THR 64 B CYS 65 n 65 CYS 65 B LYS 66 n 66 LYS 66 B ASP 67 n 67 ASP 67 B GLY 68 n 68 GLY 68 B GLN 69 n 69 GLN 69 B THR 70 n 70 THR 70 B ASN 71 n 71 ASN 71 B CYS 72 n 72 CYS 72 B TYR 73 n 73 TYR 73 B GLN 74 n 74 GLN 74 B SER 75 n 75 SER 75 B LYS 76 n 76 LYS 76 B SER 77 n 77 SER 77 B THR 78 n 78 THR 78 B MET 79 n 79 MET 79 B ARG 80 n 80 ARG 80 B ILE 81 n 81 ILE 81 B THR 82 n 82 THR 82 B ASP 83 n 83 ASP 83 B CYS 84 n 84 CYS 84 B ARG 85 n 85 ARG 85 B GLU 86 n 86 GLU 86 B THR 87 n 87 THR 87 B GLY 88 n 88 GLY 88 B SER 89 n 89 SER 89 B SER 90 n 90 SER 90 B LYS 91 n 91 LYS 91 B TYR 92 n 92 TYR 92 B PRO 93 n 93 PRO 93 B ASN 94 n 94 ASN 94 B CYS 95 n 95 CYS 95 B ALA 96 n 96 ALA 96 B TYR 97 n 97 TYR 97 B LYS 98 n 98 LYS 98 B THR 99 n 99 THR 99 B THR 100 n 100 THR 100 B GLN 101 n 101 GLN 101 B VAL 102 n 102 VAL 102 B GLU 103 n 103 GLU 103 B LYS 104 n 104 LYS 104 B HIS 105 n 105 HIS 105 B ILE 106 n 106 ILE 106 B ILE 107 n 107 ILE 107 B VAL 108 n 108 VAL 108 B ALA 109 n 109 ALA 109 B CYS 110 n 110 CYS 110 B GLY 111 n 111 GLY 111 B GLY 112 n 112 GLY 112 B LYS 113 n 113 LYS 113 B PRO 114 n 114 PRO 114 B SER 115 n 115 SER 115 B VAL 116 n 116 VAL 116 B PRO 117 n 117 PRO 117 B VAL 118 n 118 VAL 118 B HIS 119 n 119 HIS 119 B PHE 120 n 120 PHE 120 B ASP 121 n 121 ASP 121 B ALA 122 n 122 ALA 122 B SER 123 n 123 SER 123 B VAL 124 n 124 VAL 124 B author_and_software_defined_assembly PISA 2 dimeric 3400 -20 13140 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 ASN 44 A N ASN 44 A O CYS 84 A O CYS 84 A N ASP 83 A N ASP 83 A O THR 100 A O THR 100 A O VAL 108 A O VAL 108 A N TYR 73 A N TYR 73 A O CYS 72 A O CYS 72 A N VAL 63 A N VAL 63 A N ASN 44 A N ASN 44 A O CYS 84 A O CYS 84 A N ASP 83 A N ASP 83 A O THR 100 A O THR 100 A N ILE 107 A N ILE 107 A O ALA 122 A O ALA 122 B N ASN 44 B N ASN 44 B O CYS 84 B O CYS 84 B N ASP 83 B N ASP 83 B O THR 100 B O THR 100 B O VAL 108 B O VAL 108 B N TYR 73 B N TYR 73 B O GLN 74 B O GLN 74 B N LYS 61 B N LYS 61 B N ASN 44 B N ASN 44 B O CYS 84 B O CYS 84 B N ASP 83 B N ASP 83 B O THR 100 B O THR 100 B N ILE 107 B N ILE 107 B O ALA 122 B O ALA 122 1 A ASN 17 A ASN 17 1 Y 1 A SER 18 A SER 18 1 Y 1 A ALA 19 A ALA 19 1 Y 1 A SER 20 A SER 20 1 Y 1 A ASP 14 -151.14 65.77 1 A GLN 60 -110.84 -136.12 1 A ASN 71 -97.09 39.37 1 A LYS 91 -166.84 109.48 1 B GLN 60 -104.22 -140.21 0.202 0.171 0.209 0.191 2.20 20.0 1150 11167 10017 RANDOM 1 THROUGHOUT 2.0 MOLECULAR REPLACEMENT PDB ENTRY 1R5D Engh & Huber 2.20 20.0 96 1949 0 0 1853 2.2 20.0 1Y92 12492 0.0 0.0 0.072 1 17.9 4.7 93.4 0.247 2.20 2.24 5 681 4 93.5 data collection ENRAF-NONIUS data reduction DENZO phasing AMoRE refinement CNS data scaling SCALEPACK Crystal structure of the P19A/N67D Variant Of Bovine seminal Ribonuclease 1 N N 1 N N 2 N N 2 N N A SER 3 A SER 3 HELX_P A MET 13 A MET 13 1 1 11 A SER 21 A SER 21 HELX_P A SER 23 A SER 23 5 2 3 A ASN 24 A ASN 24 HELX_P A ARG 33 A ARG 33 1 3 10 A SER 50 A SER 50 HELX_P A VAL 57 A VAL 57 1 4 8 A CYS 58 A CYS 58 HELX_P A GLN 60 A GLN 60 5 5 3 B SER 3 B SER 3 HELX_P B MET 13 B MET 13 1 6 11 B SER 20 B SER 20 HELX_P B ARG 33 B ARG 33 1 7 14 B SER 50 B SER 50 HELX_P B ALA 56 B ALA 56 1 8 7 B VAL 57 B VAL 57 HELX_P B GLN 60 B GLN 60 5 9 4 disulf 2.030 A CYS 26 A SG CYS 26 1_555 A CYS 84 A SG CYS 84 1_555 disulf 2.041 A CYS 31 A SG CYS 31 1_555 B CYS 32 B SG CYS 32 1_555 disulf 2.035 A CYS 32 A SG CYS 32 1_555 B CYS 31 B SG CYS 31 1_555 disulf 2.025 A CYS 40 A SG CYS 40 1_555 A CYS 95 A SG CYS 95 1_555 disulf 2.026 A CYS 58 A SG CYS 58 1_555 A CYS 110 A SG CYS 110 1_555 disulf 2.024 A CYS 65 A SG CYS 65 1_555 A CYS 72 A SG CYS 72 1_555 disulf 2.034 B CYS 26 B SG CYS 26 1_555 B CYS 84 B SG CYS 84 1_555 disulf 2.025 B CYS 40 B SG CYS 40 1_555 B CYS 95 B SG CYS 95 1_555 disulf 2.031 B CYS 58 B SG CYS 58 1_555 B CYS 110 B SG CYS 110 1_555 disulf 2.032 B CYS 65 B SG CYS 65 1_555 B CYS 72 B SG CYS 72 1_555 HYDROLASE nuclease, HYDROLASE A TYR 92 A TYR 92 1 A PRO 93 A PRO 93 0.58 A LYS 113 A LYS 113 1 A PRO 114 A PRO 114 -0.16 B TYR 92 B TYR 92 1 B PRO 93 B PRO 93 0.77 B LYS 113 B LYS 113 1 B PRO 114 B PRO 114 0.72 RNS_BOVIN UNP 1 27 P00669 KESAAAKFERQHMDSGNSPSSSSNYCNLMMCCRKMTQGKCKPVNTFVHESLADVKAVCSQKKVTCKNGQTNCYQSKSTMR ITDCRETGSSKYPNCAYKTTQVEKHIIVACGGKPSVPVHFDASV 27 150 1Y92 1 124 P00669 A 1 1 124 27 150 1Y92 1 124 P00669 B 1 1 124 1 PRO engineered mutation ALA 19 1Y92 A P00669 UNP 45 19 1 ASN engineered mutation ASP 67 1Y92 A P00669 UNP 93 67 2 PRO engineered mutation ALA 19 1Y92 B P00669 UNP 45 19 2 ASN engineered mutation ASP 67 1Y92 B P00669 UNP 93 67 5 4 5 4 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A VAL 43 A VAL 43 A VAL 47 A VAL 47 A MET 79 A MET 79 A GLU 86 A GLU 86 A TYR 97 A TYR 97 A GLY 111 A GLY 111 A CYS 72 A CYS 72 A GLN 74 A GLN 74 A LYS 61 A LYS 61 A VAL 63 A VAL 63 A VAL 43 A VAL 43 A VAL 47 A VAL 47 A MET 79 A MET 79 A GLU 86 A GLU 86 A TYR 97 A TYR 97 A GLY 111 A GLY 111 A VAL 116 A VAL 116 A VAL 124 A VAL 124 B VAL 43 B VAL 43 B VAL 47 B VAL 47 B MET 79 B MET 79 B GLU 86 B GLU 86 B TYR 97 B TYR 97 B GLY 111 B GLY 111 B CYS 72 B CYS 72 B GLN 74 B GLN 74 B LYS 61 B LYS 61 B VAL 63 B VAL 63 B VAL 43 B VAL 43 B VAL 47 B VAL 47 B MET 79 B MET 79 B GLU 86 B GLU 86 B TYR 97 B TYR 97 B GLY 111 B GLY 111 B VAL 116 B VAL 116 B VAL 124 B VAL 124 19 P 21 21 21