0.008304 0.000000 0.000000 0.000000 0.007152 0.000000 0.000000 0.000000 0.007139 0.00000 0.00000 0.00000 CIS PROLINE - PRO 285 CIS PROLINE - PRO 326 White, C.L. Janakiraman, M.N. Laver, W.G. Philippon, C. Vasella, A. Air, G.M. Luo, M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 120.420 139.830 140.070 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 C6 H12 O6 180.156 beta-D-mannopyranose D-saccharide, beta linking Ca 2 40.078 CALCIUM ION non-polymer C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C10 H20 N O9 P 329.241 (1R)-4-acetamido-1,5-anhydro-2,4-dideoxy-1-phosphono-D-glycero-D-galacto-octitol D-saccharide 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 C6 H12 O6 180.156 alpha-D-mannopyranose D-saccharide, alpha linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C8 H15 N O6 221.208 2-acetamido-2-deoxy-beta-D-glucopyranose D-saccharide, beta 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 UK J.Mol.Biol. JMOBAK 0070 0022-2836 245 623 634 10.1006/jmbi.1994.0051 7844831 A sialic acid-derived phosphonate analog inhibits different strains of influenza virus neuraminidase with different efficiencies. 1995 US Biochemistry BICHAW 0033 0006-2960 33 8172 Structure of Influenza Virus Neuraminidase B(Slash)Lee(Slash)40 Complexed with Sialic Acid and a Dehydro Analog at 1.8 Angstroms Resolution: Implications for the Catalytic Mechanism 1994 UK J.Mol.Biol. JMOBAK 0070 0022-2836 221 473 Three-Dimensional Structure of the Influenza Virus A(Slash)Tokyo(Slash)3(Slash)67 at 2.2 Angstroms Resolution 1991 UK J.Mol.Biol. JMOBAK 0070 0022-2836 221 487 Refined Atomic Structures of N9 Subtype Influenza Virus Neuraminidase and Escape Mutants 1991 SZ Helv.Chim.Acta HCACAV 0010 0018-019X 73 1359 Phosphonic-Acid Analogs of the N-Acetyl-2-Deoxyneuraminic Acids: Synthesis and Inhibition of Vibrio Choleae Sialidase 1990 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 1 x-ray 1 1.0 43141.012 INFLUENZA A SUBTYPE N2 NEURAMINIDASE 3.2.1.18 1 man polymer 910.823 alpha-D-mannopyranose-(1-3)-[alpha-D-mannopyranose-(1-6)]beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose 1 man branched 221.208 2-acetamido-2-deoxy-beta-D-glucopyranose 3 man non-polymer 40.078 CALCIUM ION 1 syn non-polymer 329.241 (1R)-4-acetamido-1,5-anhydro-2,4-dideoxy-1-phosphono-D-glycero-D-galacto-octitol 1 syn non-polymer 18.015 water 79 nat water no no VEYRNWSKPQCQITGFAPFSKDNSIRLSAGGDIWVTREPYVSCDPVKCYQFALGQGTTLDNKHSNDTVHDRIPHRTLLMN ELGVPFHLGTRQVCIAWSSSSCHDGKAWLHVCITGDDKNATASFIYDGRLVDSIGSWSQNILRTQESECVCINGTCTVVM TDGSASGRADTRILFIEEGKIVHISPLAGSAQHVEECSCYPRYPGVRCICRDNWKGSNRPVVDINMEDYSIDSSYVCSGL VGDTPRNDDRSSNSNCRDPNNERGTQGVKGWAFDNGNDLWMGRTISKDLRSGYETFKVIGGWSTPNSKSQINRQVIVDSD NRSGYSGIFSVEGKSCINRCFYVELIRGRKQETRVWWTSNSIVVFCGTSGTYGTGSWPDGANINFMPI VEYRNWSKPQCQITGFAPFSKDNSIRLSAGGDIWVTREPYVSCDPVKCYQFALGQGTTLDNKHSNDTVHDRIPHRTLLMN ELGVPFHLGTRQVCIAWSSSSCHDGKAWLHVCITGDDKNATASFIYDGRLVDSIGSWSQNILRTQESECVCINGTCTVVM TDGSASGRADTRILFIEEGKIVHISPLAGSAQHVEECSCYPRYPGVRCICRDNWKGSNRPVVDINMEDYSIDSSYVCSGL VGDTPRNDDRSSNSNCRDPNNERGTQGVKGWAFDNGNDLWMGRTISKDLRSGYETFKVIGGWSTPNSKSQINRQVIVDSD NRSGYSGIFSVEGKSCINRCFYVELIRGRKQETRVWWTSNSIVVFCGTSGTYGTGSWPDGANINFMPI 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 n n n n n n n n n n n n n n n n n Influenzavirus A sample 293 11320 Influenza A virus 293 6.83 82.00 NATIVE CRYSTALS SOAKED IN 10MM EPANA SOLUTION, PH 7.2. atom_site chem_comp entity pdbx_branch_scheme pdbx_chem_comp_identifier pdbx_database_status pdbx_entity_branch pdbx_entity_branch_descriptor pdbx_entity_branch_link pdbx_entity_branch_list pdbx_entity_nonpoly pdbx_nonpoly_scheme pdbx_struct_assembly_gen pdbx_struct_conn_angle struct_asym struct_conn struct_ref_seq_dif struct_site struct_site_gen repository Initial release Carbohydrate remediation repository Remediation Version format compliance Non-polymer description Version format compliance Atomic model Data collection Database references Derived calculations Other Structure summary 1 0 1995-02-07 1 1 2008-03-03 1 2 2011-07-13 2 0 2020-07-29 _atom_site.B_iso_or_equiv _atom_site.Cartn_x _atom_site.Cartn_y _atom_site.Cartn_z _atom_site.auth_asym_id _atom_site.auth_atom_id _atom_site.auth_comp_id _atom_site.auth_seq_id _atom_site.label_asym_id _atom_site.label_atom_id _atom_site.label_comp_id _atom_site.label_entity_id _atom_site.occupancy _atom_site.pdbx_PDB_ins_code _atom_site.type_symbol _chem_comp.name _chem_comp.type _pdbx_database_status.process_site _pdbx_struct_assembly_gen.asym_id_list _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_atom_id _pdbx_struct_conn_angle.ptnr1_label_comp_id _pdbx_struct_conn_angle.ptnr1_label_seq_id _pdbx_struct_conn_angle.ptnr2_label_asym_id _pdbx_struct_conn_angle.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_atom_id _pdbx_struct_conn_angle.ptnr3_label_comp_id _pdbx_struct_conn_angle.ptnr3_label_seq_id _pdbx_struct_conn_angle.value _struct_conn.pdbx_dist_value _struct_conn.pdbx_leaving_atom_flag _struct_conn.pdbx_ptnr1_PDB_ins_code _struct_conn.pdbx_ptnr2_PDB_ins_code _struct_conn.pdbx_role _struct_conn.ptnr1_auth_asym_id _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_asym_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 NAG 200 n B NAG 1 NAG 200 n B NAG 2 MAN 200 n B BMA 3 MAN 200 n B MAN 4 MAN 200 n B MAN 5 DManpb b-D-mannopyranose b-D-Manp Man DManpa a-D-mannopyranose a-D-Manp Man DGlcpNAcb N-acetyl-b-D-glucopyranosamine b-D-GlcpNAc GlcNAc Y BNL 1994-09-26 REL REL oligosaccharide DManpa1-3[DManpa1-6]DManpb1-4DGlcpNAcb1-4DGlcpNAcb1- 2 GMML 1.0 Glycam Condensed Sequence WURCS=2.0/3,5,4/[a2122h-1b_1-5_2*NCC/3=O][a1122h-1b_1-5][a1122h-1a_1-5]/1-1-2-3-3/a4-b1_b4-c1_c3-d1_c6-e1 2 PDB2Glycan 1.1.0 WURCS []{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-GlcpNAc]{[(4+1)][b-D-Manp]{[(3+1)][a-D-Manp]{}[(6+1)][a-D-Manp]{}}}}} 2 PDB-CARE LINUCS C1 O4 NAG NAG 2 1 2 O1 HO4 sing C1 O4 BMA NAG 3 2 2 O1 HO4 sing C1 O3 MAN BMA 4 3 2 O1 HO3 sing C1 O6 MAN BMA 5 3 2 O1 HO6 sing n n n n n NAG 2-acetamido-2-deoxy-beta-D-glucopyranose CA CALCIUM ION EQP (1R)-4-acetamido-1,5-anhydro-2,4-dideoxy-1-phosphono-D-glycero-D-galacto-octitol HOH water THE CALCIUM RESIDUE, CA 470, STABILIZES A LOOP NEAR THE NEURAMINIDASE ACTIVE SITE. THE EQUATORIAL PHOSPHONATE INHIBITOR IS RESIDUE EQP 500. EQP IS AN EQUATORIAL PHOSPHONATE ANALOG OF O-SIALIC ACID. EPANA SEE WALLIMAN & VASELLA (1990) FOR SYNTHESIS NAG 86 3 NAG A NAG 470 A NAG 146 3 NAG A NAG 471 A NAG 234 3 NAG A NAG 477 A CA 470 4 CA CA 478 A EQP 500 5 EQP EQP 500 A HOH 501 6 HOH HOH 501 A HOH 502 6 HOH HOH 502 A HOH 503 6 HOH HOH 503 A HOH 504 6 HOH HOH 504 A HOH 505 6 HOH HOH 505 A HOH 506 6 HOH HOH 506 A HOH 507 6 HOH HOH 507 A HOH 508 6 HOH HOH 508 A HOH 509 6 HOH HOH 509 A HOH 510 6 HOH HOH 510 A HOH 511 6 HOH HOH 511 A HOH 512 6 HOH HOH 512 A HOH 513 6 HOH HOH 513 A HOH 514 6 HOH HOH 514 A HOH 515 6 HOH HOH 515 A HOH 516 6 HOH HOH 516 A HOH 517 6 HOH HOH 517 A HOH 518 6 HOH HOH 518 A HOH 519 6 HOH HOH 519 A HOH 520 6 HOH HOH 520 A HOH 521 6 HOH HOH 521 A HOH 522 6 HOH HOH 522 A HOH 523 6 HOH HOH 523 A HOH 524 6 HOH HOH 524 A HOH 525 6 HOH HOH 525 A HOH 526 6 HOH HOH 526 A HOH 527 6 HOH HOH 527 A HOH 528 6 HOH HOH 528 A HOH 529 6 HOH HOH 529 A HOH 530 6 HOH HOH 530 A HOH 531 6 HOH HOH 531 A HOH 532 6 HOH HOH 532 A HOH 533 6 HOH HOH 533 A HOH 534 6 HOH HOH 534 A HOH 535 6 HOH HOH 535 A HOH 536 6 HOH HOH 536 A HOH 537 6 HOH HOH 537 A HOH 538 6 HOH HOH 538 A HOH 539 6 HOH HOH 539 A HOH 540 6 HOH HOH 540 A HOH 541 6 HOH HOH 541 A HOH 542 6 HOH HOH 542 A HOH 543 6 HOH HOH 543 A HOH 544 6 HOH HOH 544 A HOH 545 6 HOH HOH 545 A HOH 546 6 HOH HOH 546 A HOH 547 6 HOH HOH 547 A HOH 548 6 HOH HOH 548 A HOH 549 6 HOH HOH 549 A HOH 550 6 HOH HOH 550 A HOH 551 6 HOH HOH 551 A HOH 552 6 HOH HOH 552 A HOH 553 6 HOH HOH 553 A HOH 554 6 HOH HOH 554 A HOH 555 6 HOH HOH 555 A HOH 556 6 HOH HOH 556 A HOH 557 6 HOH HOH 557 A HOH 558 6 HOH HOH 558 A HOH 559 6 HOH HOH 559 A HOH 560 6 HOH HOH 560 A HOH 561 6 HOH HOH 561 A HOH 562 6 HOH HOH 562 A HOH 563 6 HOH HOH 563 A HOH 564 6 HOH HOH 564 A HOH 565 6 HOH HOH 565 A HOH 566 6 HOH HOH 566 A HOH 567 6 HOH HOH 567 A HOH 568 6 HOH HOH 568 A HOH 569 6 HOH HOH 569 A HOH 570 6 HOH HOH 570 A HOH 571 6 HOH HOH 571 A HOH 572 6 HOH HOH 572 A HOH 573 6 HOH HOH 573 A HOH 574 6 HOH HOH 574 A HOH 575 6 HOH HOH 575 A HOH 576 6 HOH HOH 576 A HOH 577 6 HOH HOH 577 A HOH 578 6 HOH HOH 578 A HOH 579 6 HOH HOH 579 A VAL 82 n 1 VAL 82 A GLU 83 n 2 GLU 83 A TYR 84 n 3 TYR 84 A ARG 85 n 4 ARG 85 A ASN 86 n 5 ASN 86 A TRP 87 n 6 TRP 87 A SER 88 n 7 SER 88 A LYS 89 n 8 LYS 89 A PRO 90 n 9 PRO 90 A GLN 91 n 10 GLN 91 A CYS 92 n 11 CYS 92 A GLN 93 n 12 GLN 93 A ILE 94 n 13 ILE 94 A THR 95 n 14 THR 95 A GLY 96 n 15 GLY 96 A PHE 97 n 16 PHE 97 A ALA 98 n 17 ALA 98 A PRO 99 n 18 PRO 99 A PHE 100 n 19 PHE 100 A SER 101 n 20 SER 101 A LYS 102 n 21 LYS 102 A ASP 103 n 22 ASP 103 A ASN 104 n 23 ASN 104 A SER 105 n 24 SER 105 A ILE 106 n 25 ILE 106 A ARG 107 n 26 ARG 107 A LEU 108 n 27 LEU 108 A SER 109 n 28 SER 109 A ALA 110 n 29 ALA 110 A GLY 111 n 30 GLY 111 A GLY 112 n 31 GLY 112 A ASP 113 n 32 ASP 113 A ILE 114 n 33 ILE 114 A TRP 115 n 34 TRP 115 A VAL 116 n 35 VAL 116 A THR 117 n 36 THR 117 A ARG 118 n 37 ARG 118 A GLU 119 n 38 GLU 119 A PRO 120 n 39 PRO 120 A TYR 121 n 40 TYR 121 A VAL 122 n 41 VAL 122 A SER 123 n 42 SER 123 A CYS 124 n 43 CYS 124 A ASP 125 n 44 ASP 125 A PRO 126 n 45 PRO 126 A VAL 127 n 46 VAL 127 A LYS 128 n 47 LYS 128 A CYS 129 n 48 CYS 129 A TYR 130 n 49 TYR 130 A GLN 131 n 50 GLN 131 A PHE 132 n 51 PHE 132 A ALA 133 n 52 ALA 133 A LEU 134 n 53 LEU 134 A GLY 135 n 54 GLY 135 A GLN 136 n 55 GLN 136 A GLY 137 n 56 GLY 137 A THR 138 n 57 THR 138 A THR 139 n 58 THR 139 A LEU 140 n 59 LEU 140 A ASP 141 n 60 ASP 141 A ASN 142 n 61 ASN 142 A LYS 143 n 62 LYS 143 A HIS 144 n 63 HIS 144 A SER 145 n 64 SER 145 A ASN 146 n 65 ASN 146 A ASP 147 n 66 ASP 147 A THR 148 n 67 THR 148 A VAL 149 n 68 VAL 149 A HIS 150 n 69 HIS 150 A ASP 151 n 70 ASP 151 A ARG 152 n 71 ARG 152 A ILE 153 n 72 ILE 153 A PRO 154 n 73 PRO 154 A HIS 155 n 74 HIS 155 A ARG 156 n 75 ARG 156 A THR 157 n 76 THR 157 A LEU 158 n 77 LEU 158 A LEU 159 n 78 LEU 159 A MET 160 n 79 MET 160 A ASN 161 n 80 ASN 161 A GLU 162 n 81 GLU 162 A LEU 163 n 82 LEU 163 A GLY 164 n 83 GLY 164 A VAL 165 n 84 VAL 165 A PRO 166 n 85 PRO 166 A PHE 167 n 86 PHE 167 A HIS 168 n 87 HIS 168 A LEU 169 n 88 LEU 169 A GLY 170 n 89 GLY 170 A THR 171 n 90 THR 171 A ARG 172 n 91 ARG 172 A GLN 173 n 92 GLN 173 A VAL 174 n 93 VAL 174 A CYS 175 n 94 CYS 175 A ILE 176 n 95 ILE 176 A ALA 177 n 96 ALA 177 A TRP 178 n 97 TRP 178 A SER 179 n 98 SER 179 A SER 180 n 99 SER 180 A SER 181 n 100 SER 181 A SER 182 n 101 SER 182 A CYS 183 n 102 CYS 183 A HIS 184 n 103 HIS 184 A ASP 185 n 104 ASP 185 A GLY 186 n 105 GLY 186 A LYS 187 n 106 LYS 187 A ALA 188 n 107 ALA 188 A TRP 189 n 108 TRP 189 A LEU 190 n 109 LEU 190 A HIS 191 n 110 HIS 191 A VAL 192 n 111 VAL 192 A CYS 193 n 112 CYS 193 A ILE 194 n 113 ILE 194 A THR 195 n 114 THR 195 A GLY 196 n 115 GLY 196 A ASP 197 n 116 ASP 197 A ASP 198 n 117 ASP 198 A LYS 199 n 118 LYS 199 A ASN 200 n 119 ASN 200 A ALA 201 n 120 ALA 201 A THR 202 n 121 THR 202 A ALA 203 n 122 ALA 203 A SER 204 n 123 SER 204 A PHE 205 n 124 PHE 205 A ILE 206 n 125 ILE 206 A TYR 207 n 126 TYR 207 A ASP 208 n 127 ASP 208 A GLY 209 n 128 GLY 209 A ARG 210 n 129 ARG 210 A LEU 211 n 130 LEU 211 A VAL 212 n 131 VAL 212 A ASP 213 n 132 ASP 213 A SER 214 n 133 SER 214 A ILE 215 n 134 ILE 215 A GLY 216 n 135 GLY 216 A SER 217 n 136 SER 217 A TRP 218 n 137 TRP 218 A SER 219 n 138 SER 219 A GLN 220 n 139 GLN 220 A ASN 221 n 140 ASN 221 A ILE 222 n 141 ILE 222 A LEU 223 n 142 LEU 223 A ARG 224 n 143 ARG 224 A THR 225 n 144 THR 225 A GLN 226 n 145 GLN 226 A GLU 227 n 146 GLU 227 A SER 228 n 147 SER 228 A GLU 229 n 148 GLU 229 A CYS 230 n 149 CYS 230 A VAL 231 n 150 VAL 231 A CYS 232 n 151 CYS 232 A ILE 233 n 152 ILE 233 A ASN 234 n 153 ASN 234 A GLY 235 n 154 GLY 235 A THR 236 n 155 THR 236 A CYS 237 n 156 CYS 237 A THR 238 n 157 THR 238 A VAL 239 n 158 VAL 239 A VAL 240 n 159 VAL 240 A MET 241 n 160 MET 241 A THR 242 n 161 THR 242 A ASP 243 n 162 ASP 243 A GLY 244 n 163 GLY 244 A SER 245 n 164 SER 245 A ALA 246 n 165 ALA 246 A SER 247 n 166 SER 247 A GLY 248 n 167 GLY 248 A ARG 249 n 168 ARG 249 A ALA 250 n 169 ALA 250 A ASP 251 n 170 ASP 251 A THR 252 n 171 THR 252 A ARG 253 n 172 ARG 253 A ILE 254 n 173 ILE 254 A LEU 255 n 174 LEU 255 A PHE 256 n 175 PHE 256 A ILE 257 n 176 ILE 257 A GLU 258 n 177 GLU 258 A GLU 259 n 178 GLU 259 A GLY 260 n 179 GLY 260 A LYS 261 n 180 LYS 261 A ILE 262 n 181 ILE 262 A VAL 263 n 182 VAL 263 A HIS 264 n 183 HIS 264 A ILE 265 n 184 ILE 265 A SER 266 n 185 SER 266 A PRO 267 n 186 PRO 267 A LEU 268 n 187 LEU 268 A ALA 269 n 188 ALA 269 A GLY 270 n 189 GLY 270 A SER 271 n 190 SER 271 A ALA 272 n 191 ALA 272 A GLN 273 n 192 GLN 273 A HIS 274 n 193 HIS 274 A VAL 275 n 194 VAL 275 A GLU 276 n 195 GLU 276 A GLU 277 n 196 GLU 277 A CYS 278 n 197 CYS 278 A SER 279 n 198 SER 279 A CYS 280 n 199 CYS 280 A TYR 281 n 200 TYR 281 A PRO 282 n 201 PRO 282 A ARG 283 n 202 ARG 283 A TYR 284 n 203 TYR 284 A PRO 285 n 204 PRO 285 A GLY 286 n 205 GLY 286 A VAL 287 n 206 VAL 287 A ARG 288 n 207 ARG 288 A CYS 289 n 208 CYS 289 A ILE 290 n 209 ILE 290 A CYS 291 n 210 CYS 291 A ARG 292 n 211 ARG 292 A ASP 293 n 212 ASP 293 A ASN 294 n 213 ASN 294 A TRP 295 n 214 TRP 295 A LYS 296 n 215 LYS 296 A GLY 297 n 216 GLY 297 A SER 298 n 217 SER 298 A ASN 299 n 218 ASN 299 A ARG 300 n 219 ARG 300 A PRO 301 n 220 PRO 301 A VAL 302 n 221 VAL 302 A VAL 303 n 222 VAL 303 A ASP 304 n 223 ASP 304 A ILE 305 n 224 ILE 305 A ASN 306 n 225 ASN 306 A MET 307 n 226 MET 307 A GLU 308 n 227 GLU 308 A ASP 309 n 228 ASP 309 A TYR 310 n 229 TYR 310 A SER 311 n 230 SER 311 A ILE 312 n 231 ILE 312 A ASP 313 n 232 ASP 313 A SER 314 n 233 SER 314 A SER 315 n 234 SER 315 A TYR 316 n 235 TYR 316 A VAL 317 n 236 VAL 317 A CYS 318 n 237 CYS 318 A SER 319 n 238 SER 319 A GLY 320 n 239 GLY 320 A LEU 321 n 240 LEU 321 A VAL 322 n 241 VAL 322 A GLY 323 n 242 GLY 323 A ASP 324 n 243 ASP 324 A THR 325 n 244 THR 325 A PRO 326 n 245 PRO 326 A ARG 327 n 246 ARG 327 A ASN 328 n 247 ASN 328 A ASP 329 n 248 ASP 329 A ASP 330 n 249 ASP 330 A ARG 331 n 250 ARG 331 A SER 332 n 251 SER 332 A SER 333 n 252 SER 333 A ASN 334 n 253 ASN 334 A SER 335 n 254 SER 335 A ASN 336 n 255 ASN 336 A CYS 337 n 256 CYS 337 A ARG 338 n 257 ARG 338 A ASP 339 n 258 ASP 339 A PRO 340 n 259 PRO 340 A ASN 341 n 260 ASN 341 A ASN 342 n 261 ASN 342 A GLU 343 n 262 GLU 343 A ARG 344 n 263 ARG 344 A GLY 345 n 264 GLY 345 A THR 346 n 265 THR 346 A GLN 347 n 266 GLN 347 A GLY 348 n 267 GLY 348 A VAL 349 n 268 VAL 349 A LYS 350 n 269 LYS 350 A GLY 351 n 270 GLY 351 A TRP 352 n 271 TRP 352 A ALA 353 n 272 ALA 353 A PHE 354 n 273 PHE 354 A ASP 355 n 274 ASP 355 A ASN 356 n 275 ASN 356 A GLY 357 n 276 GLY 357 A ASN 358 n 277 ASN 358 A ASP 359 n 278 ASP 359 A LEU 360 n 279 LEU 360 A TRP 361 n 280 TRP 361 A MET 362 n 281 MET 362 A GLY 363 n 282 GLY 363 A ARG 364 n 283 ARG 364 A THR 365 n 284 THR 365 A ILE 366 n 285 ILE 366 A SER 367 n 286 SER 367 A LYS 368 n 287 LYS 368 A ASP 369 n 288 ASP 369 A LEU 370 n 289 LEU 370 A ARG 371 n 290 ARG 371 A SER 372 n 291 SER 372 A GLY 373 n 292 GLY 373 A TYR 374 n 293 TYR 374 A GLU 375 n 294 GLU 375 A THR 376 n 295 THR 376 A PHE 377 n 296 PHE 377 A LYS 378 n 297 LYS 378 A VAL 379 n 298 VAL 379 A ILE 380 n 299 ILE 380 A GLY 381 n 300 GLY 381 A GLY 382 n 301 GLY 382 A TRP 383 n 302 TRP 383 A SER 384 n 303 SER 384 A THR 385 n 304 THR 385 A PRO 386 n 305 PRO 386 A ASN 387 n 306 ASN 387 A SER 388 n 307 SER 388 A LYS 389 n 308 LYS 389 A SER 390 n 309 SER 390 A GLN 391 n 310 GLN 391 A ILE 392 n 311 ILE 392 A ASN 393 n 312 ASN 393 A ARG 394 n 313 ARG 394 A GLN 395 n 314 GLN 395 A VAL 396 n 315 VAL 396 A ILE 397 n 316 ILE 397 A VAL 398 n 317 VAL 398 A ASP 399 n 318 ASP 399 A SER 400 n 319 SER 400 A ASP 401 n 320 ASP 401 A ASN 402 n 321 ASN 402 A ARG 403 n 322 ARG 403 A SER 404 n 323 SER 404 A GLY 405 n 324 GLY 405 A TYR 406 n 325 TYR 406 A SER 407 n 326 SER 407 A GLY 408 n 327 GLY 408 A ILE 409 n 328 ILE 409 A PHE 410 n 329 PHE 410 A SER 411 n 330 SER 411 A VAL 412 n 331 VAL 412 A GLU 413 n 332 GLU 413 A GLY 414 n 333 GLY 414 A LYS 415 n 334 LYS 415 A SER 416 n 335 SER 416 A CYS 417 n 336 CYS 417 A ILE 418 n 337 ILE 418 A ASN 419 n 338 ASN 419 A ARG 420 n 339 ARG 420 A CYS 421 n 340 CYS 421 A PHE 422 n 341 PHE 422 A TYR 423 n 342 TYR 423 A VAL 424 n 343 VAL 424 A GLU 425 n 344 GLU 425 A LEU 426 n 345 LEU 426 A ILE 427 n 346 ILE 427 A ARG 428 n 347 ARG 428 A GLY 429 n 348 GLY 429 A ARG 430 n 349 ARG 430 A LYS 431 n 350 LYS 431 A GLN 432 n 351 GLN 432 A GLU 433 n 352 GLU 433 A THR 434 n 353 THR 434 A ARG 435 n 354 ARG 435 A VAL 436 n 355 VAL 436 A TRP 437 n 356 TRP 437 A TRP 438 n 357 TRP 438 A THR 439 n 358 THR 439 A SER 440 n 359 SER 440 A ASN 441 n 360 ASN 441 A SER 442 n 361 SER 442 A ILE 443 n 362 ILE 443 A VAL 444 n 363 VAL 444 A VAL 445 n 364 VAL 445 A PHE 446 n 365 PHE 446 A CYS 447 n 366 CYS 447 A GLY 448 n 367 GLY 448 A THR 449 n 368 THR 449 A SER 450 n 369 SER 450 A GLY 451 n 370 GLY 451 A THR 452 n 371 THR 452 A TYR 453 n 372 TYR 453 A GLY 454 n 373 GLY 454 A THR 455 n 374 THR 455 A GLY 456 n 375 GLY 456 A SER 457 n 376 SER 457 A TRP 458 n 377 TRP 458 A PRO 459 n 378 PRO 459 A ASP 460 n 379 ASP 460 A GLY 461 n 380 GLY 461 A ALA 462 n 381 ALA 462 A ASN 463 n 382 ASN 463 A ILE 464 n 383 ILE 464 A ASN 465 n 384 ASN 465 A PHE 466 n 385 PHE 466 A MET 467 n 386 MET 467 A PRO 468 n 387 PRO 468 A ILE 469 n 388 ILE 469 A author_defined_assembly 1 monomeric A ASP 293 A O ASP 212 1_555 A CA 478 F CA CA 1_555 A GLY 297 A O GLY 216 1_555 83.0 A ASP 293 A O ASP 212 1_555 A CA 478 F CA CA 1_555 A ASP 324 A OD2 ASP 243 1_555 78.3 A GLY 297 A O GLY 216 1_555 A CA 478 F CA CA 1_555 A ASP 324 A OD2 ASP 243 1_555 81.5 A ASP 293 A O ASP 212 1_555 A CA 478 F CA CA 1_555 A GLY 345 A O GLY 264 1_555 96.6 A GLY 297 A O GLY 216 1_555 A CA 478 F CA CA 1_555 A GLY 345 A O GLY 264 1_555 81.7 A ASP 324 A OD2 ASP 243 1_555 A CA 478 F CA CA 1_555 A GLY 345 A O GLY 264 1_555 162.9 A ASP 293 A O ASP 212 1_555 A CA 478 F CA CA 1_555 A GLN 347 A O GLN 266 1_555 95.8 A GLY 297 A O GLY 216 1_555 A CA 478 F CA CA 1_555 A GLN 347 A O GLN 266 1_555 169.0 A ASP 324 A OD2 ASP 243 1_555 A CA 478 F CA CA 1_555 A GLN 347 A O GLN 266 1_555 109.1 A GLY 345 A O GLY 264 1_555 A CA 478 F CA CA 1_555 A GLN 347 A O GLN 266 1_555 87.6 A ASN 86 GLYCOSYLATION SITE A ASN 5 ASN A ASN 146 GLYCOSYLATION SITE A ASN 65 ASN A ASN 200 GLYCOSYLATION SITE A ASN 119 ASN A ASN 234 GLYCOSYLATION SITE A ASN 153 ASN 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 O SER 101 A O SER 20 A N VAL 445 A N VAL 364 A N GLY 448 A N GLY 367 A O ARG 420 A O ARG 339 A N TYR 423 A N TYR 342 A O GLY 408 A O GLY 327 A O SER 123 A O SER 42 A N TYR 130 A N TYR 49 A N GLY 135 A N GLY 54 A O THR 157 A O THR 76 A N MET 160 A N MET 79 A O ARG 172 A O ARG 91 A O CYS 183 A O CYS 102 A N LEU 190 A N LEU 109 A O ASP 197 A O ASP 116 A N ASN 200 A N ASN 119 A N TYR 207 A N TYR 126 A O ARG 210 A O ARG 129 A O SER 266 A O SER 185 A N ILE 254 A N ILE 173 A O ILE 257 A O ILE 176 A N CYS 237 A N CYS 156 A O THR 242 A O THR 161 A N ARG 224 A N ARG 143 A O SER 266 A O SER 185 A N ILE 254 A N ILE 173 A O ILE 257 A O ILE 176 A N CYS 237 A N CYS 156 A N THR 238 A N THR 157 A O VAL 231 A O VAL 150 A N ARG 283 A N ARG 202 A O GLY 286 A O GLY 205 A N CYS 291 A N CYS 210 A O PRO 301 A O PRO 220 A N ASP 304 A N ASP 223 A O ASP 313 A O ASP 232 A O ASN 356 A O ASN 275 A N ASP 359 A N ASP 278 A O ARG 364 A O ARG 283 A N GLU 375 A N GLU 294 A N ILE 380 A N ILE 299 A O SER 390 A O SER 309 1 A A HH H1 TYR HOH 310 571 0.82 1 A A HG H1 SER HOH 101 509 0.84 1 A A HG H1 SER HOH 440 562 0.98 1 A A H H2 ASP HOH 460 554 1.12 1 A A H H1 CYS HOH 129 514 1.15 1 A A HG H1 SER HOH 411 533 1.18 1 A A H H1 PHE HOH 167 552 1.20 1 A A HH21 H2 ARG HOH 210 527 1.21 1 A A H H2 ASN HOH 336 550 1.23 1 A A HE22 H GLN VAL 226 240 1.24 1 A A H2 H1 HOH HOH 542 543 1.26 1 A A H H2 ARG HOH 172 503 1.26 1 A A H H1 GLY HOH 260 528 1.32 1 A A H H2 ASN HOH 328 547 1.32 1 A A HE21 H2 GLN HOH 226 532 1.33 1 A A O H1 LEU HOH 321 546 1.58 1 -18.78 2.70 111.00 92.22 A A A N CA C LYS LYS LYS 431 431 431 N 1 A ASN 200 -153.79 49.44 1 A ILE 222 57.20 76.14 1 A TYR 284 -33.35 127.86 1 A CYS 291 -117.85 -161.32 1 A TRP 295 -108.62 -74.05 1 A SER 319 -37.92 127.05 1 A VAL 322 71.90 125.02 1 A ASN 328 -72.45 -79.74 1 A ASP 329 171.42 136.99 1 A CYS 337 80.24 -11.08 1 A GLN 347 73.10 -172.92 1 A ASN 387 56.42 19.45 1 A SER 404 -127.10 -140.18 1 A LYS 431 117.37 -104.18 9.28 0.179 0.179 2.4 8.0 31558 1 2.0 0.27 2.4 8.0 79 3226 125 0 3022 0.013 1.91 26.32 1.67 1INX 35409 2.0 1 74.1 model building X-PLOR refinement X-PLOR phasing X-PLOR INFLUENZA A SUBTYPE N2 NEURAMINIDASE (SIALIDASE) (E.C.3.2.1.18) COMPLEXED WITH EPANA INHIBITOR (4-ACETAMIDO-2,4-DIDEOXY-D-GLYCERO-ALPHA-D-GALACTO-1-OCTOPYRANOSYL) PHOSPHONIC ACID A SIALIC ACID DERIVED PHOSPHONATE ANALOG INHIBITS DIFFERENT STRAINS OF INFLUENZA VIRUS NEURAMINIDASE WITH DIFFERENT EFFICIENCIES 1 N N 2 N N 3 N N 3 N N 3 N N 4 N N 5 N N 6 N N A ASN 104 A ASN 23 HELX_P A ALA 110 A ALA 29 1 1 7 A ASN 142 A ASN 61 HELX_P A ASN 146 A ASN 65 5 2 5 disulf 2.022 A CYS 92 A SG CYS 11 1_555 A CYS 417 A SG CYS 336 1_555 disulf 2.022 A CYS 124 A SG CYS 43 1_555 A CYS 129 A SG CYS 48 1_555 disulf 2.020 A CYS 175 A SG CYS 94 1_555 A CYS 193 A SG CYS 112 1_555 disulf 2.025 A CYS 183 A SG CYS 102 1_555 A CYS 230 A SG CYS 149 1_555 disulf 2.021 A CYS 232 A SG CYS 151 1_555 A CYS 237 A SG CYS 156 1_555 disulf 2.023 A CYS 278 A SG CYS 197 1_555 A CYS 291 A SG CYS 210 1_555 disulf 2.036 A CYS 280 A SG CYS 199 1_555 A CYS 289 A SG CYS 208 1_555 disulf 2.026 A CYS 318 A SG CYS 237 1_555 A CYS 337 A SG CYS 256 1_555 disulf 2.017 A CYS 421 A SG CYS 340 1_555 A CYS 447 A SG CYS 366 1_555 covale 1.438 one A N-Glycosylation A ASN 86 A ND2 ASN 5 1_555 A NAG 470 C C1 NAG 1_555 covale 1.467 one A N-Glycosylation A ASN 146 A ND2 ASN 65 1_555 A NAG 471 D C1 NAG 1_555 covale 1.466 one N-Glycosylation A ASN 200 A ND2 ASN 119 1_555 B NAG 1 B C1 NAG 1_555 covale 1.473 one A N-Glycosylation A ASN 234 A ND2 ASN 153 1_555 A NAG 477 E C1 NAG 1_555 covale 1.405 both B NAG 1 B O4 NAG 1_555 B NAG 2 B C1 NAG 1_555 covale 1.400 both B NAG 2 B O4 NAG 1_555 B BMA 3 B C1 BMA 1_555 covale 1.412 both B BMA 3 B O3 BMA 1_555 B MAN 4 B C1 MAN 1_555 covale 1.449 both B BMA 3 B O6 BMA 1_555 B MAN 5 B C1 MAN 1_555 metalc 2.241 A ASP 293 A O ASP 212 1_555 A CA 478 F CA CA 1_555 metalc 2.375 A GLY 297 A O GLY 216 1_555 A CA 478 F CA CA 1_555 metalc 2.980 A ASP 324 A OD2 ASP 243 1_555 A CA 478 F CA CA 1_555 metalc 2.404 A GLY 345 A O GLY 264 1_555 A CA 478 F CA CA 1_555 metalc 2.136 A GLN 347 A O GLN 266 1_555 A CA 478 F CA CA 1_555 HYDROLASE HYDROLASE, O-GLYCOSYL, NEURAMINIDASE, SIALIDASE A TYR 284 A TYR 203 1 A PRO 285 A PRO 204 0.66 A THR 325 A THR 244 1 A PRO 326 A PRO 245 1.31 NRAM_IATOK UNP 1 1 P06820 MNPNQKIITIGSVSLTIATVCFLMQIAILVTTVTLHFKQHECDSPASNQVMPCEPIIIERNITEIVYLNNTTIEKEICPK VVEYRNWSKPQCQITGFAPFSKDNSIRLSAGGDIWVTREPYVSCDPVKCYQFALGQGTTLDNKHSNDTVHDRIPHRTLLM NELGVPFHLGTRQVCIAWSSSSCHDGKAWLHVCITGDDKNATASFIYDGRLVDSIGSWSQNILRTQESECVCINGTCTVV MTDGSASGRADTRILFIEEGKIVHISPLAGSAQHVEECSCYPRYPGVRCICRDNWKGSNRPVVDINMEDYSIDSSYVCSG LVGDTPRNDDRSSNSNCRNPNNERGTQGVKGWAFDNGNDLWMGRTISKDLRSGYETFKVIGGWSTPNSKSQINRQVIVDS DNRSGYSGIFSVEGKSCINRCFYVELIRGRKQETRVWWTSNSIVVFCGTSGTYGTGSWPDGANINFMPI 82 469 1INX 82 469 P06820 A 1 1 388 1 ASN conflict ASP 339 1INX A P06820 UNP 339 258 4 4 4 4 4 4 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 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A GLY 96 A GLY 15 A LYS 102 A LYS 21 A THR 439 A THR 358 A THR 449 A THR 368 A ILE 418 A ILE 337 A GLY 429 A GLY 348 A SER 407 A SER 326 A GLU 413 A GLU 332 A TRP 115 A TRP 34 A CYS 124 A CYS 43 A CYS 129 A CYS 48 A THR 139 A THR 58 A THR 157 A THR 76 A GLU 162 A GLU 81 A ARG 172 A ARG 91 A ILE 176 A ILE 95 A SER 179 A SER 98 A HIS 184 A HIS 103 A TRP 189 A TRP 108 A ASP 197 A ASP 116 A ASN 200 A ASN 119 A TYR 207 A TYR 126 A ARG 210 A ARG 129 A GLY 216 A GLY 135 A LYS 261 A LYS 180 A PRO 267 A PRO 186 A ALA 250 A ALA 169 A GLU 258 A GLU 177 A THR 236 A THR 155 A GLY 244 A GLY 163 A ARG 224 A ARG 143 A THR 225 A THR 144 A LYS 261 A LYS 180 A PRO 267 A PRO 186 A ALA 250 A ALA 169 A GLU 258 A GLU 177 A THR 236 A THR 155 A GLY 244 A GLY 163 A VAL 231 A VAL 150 A ILE 233 A ILE 152 A GLU 276 A GLU 195 A ARG 283 A ARG 202 A GLY 286 A GLY 205 A ARG 292 A ARG 211 A PRO 301 A PRO 220 A ASN 306 A ASN 225 A ILE 312 A ILE 231 A TYR 316 A TYR 235 A ALA 353 A ALA 272 A ASN 356 A ASN 275 A ASP 359 A ASP 278 A ARG 364 A ARG 283 A SER 372 A SER 291 A ILE 380 A ILE 299 A SER 390 A SER 309 A ARG 403 A ARG 322 SUBSTRATE (SIALIC ACID) BINDING RESIDUES IN CATALYTIC SITE Author 11 A ARG 118 A ARG 37 11 1_555 A GLU 119 A GLU 38 11 1_555 A ASP 151 A ASP 70 11 1_555 A ARG 152 A ARG 71 11 1_555 A TRP 178 A TRP 97 11 1_555 A ILE 222 A ILE 141 11 1_555 A ARG 224 A ARG 143 11 1_555 A GLU 276 A GLU 195 11 1_555 A ARG 292 A ARG 211 11 1_555 A ARG 371 A ARG 290 11 1_555 A TYR 406 A TYR 325 11 1_555 20 C 2 2 21