0.009872 0.000000 0.000000 0.000000 0.009872 0.000000 0.000000 0.000000 0.010799 0.00000 0.00000 0.00000 Scott, C.A. Peterson, P.A. Teyton, L. Wilson, I.A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 101.300 101.300 92.600 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 C8 H15 N O6 221.208 2-acetamido-2-deoxy-beta-D-glucopyranose N-acetyl-beta-D-glucosamine; 2-acetamido-2-deoxy-beta-D-glucose; 2-acetamido-2-deoxy-D-glucose; 2-acetamido-2-deoxy-glucose; N-ACETYL-D-GLUCOSAMINE 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 US Immunity IUNIEH 2048 1074-7613 8 319 329 10.1016/S1074-7613(00)80537-3 9529149 Crystal structures of two I-Ad-peptide complexes reveal that high affinity can be achieved without large anchor residues. 1998 US Immunity IUNIEH 2048 1074-7613 8 531 Erratum. Crystal Structures of Two I-Ad-Peptide Complexes Reveal that High Affinity Can be Achieved without Large Anchor Residues 1998 US Protein Sci. PRCIEI 0795 0961-8368 7 413 Engineering Protein for X-Ray Crystallography: The Murine Major Histocompatibility Complex Class II Molecule I-Ad 1998 US J.Exp.Med. JEMEAV 0774 0022-1007 183 2087 Role of Chain Pairing for the Production of Functional Soluble Ia Major Histocompatibility Complex Class II Molecules 1996 10.2210/pdb1iao/pdb pdb_00001iao 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 95 1 58 CM LONG, PT-COATED, FUSED SILICA, VERTICAL FOCUS IMAGE PLATE 1997-04 MARRESEARCH CYLINDRICALLY BENT TRIANGULAR SI(111) ASYMMETRIC CUT, HORIZONTAL FOCUS M x-ray 1 1.08 1.0 BL7-1 SSRL 1.08 SYNCHROTRON SSRL BEAMLINE BL7-1 BOTH THE A AND B CHAINS HAVE AN 8-RESIDUE (SSADLVPR) PEPTIDE BOUND TO THE C-TERMINUS. THE B CHAIN ALSO HAS A 24-RESIDUE PEPTIDE CONSISTING OF A 2-RESIDUE (RG) SIGNAL SEQUENCE, RESIDUES 323 - 339 OF HEN EGG OVALBUMIN AND A 6-RESIDUE (GSGSGS) LINKER, COVALENTLY BONDED TO THE N-TERMINUS. 22091.631 MHC CLASS II I-AD 1 man polymer BOTH THE A AND B CHAINS HAVE AN 8-RESIDUE (SSADLVPR) PEPTIDE BOUND TO THE C-TERMINUS. THE B CHAIN ALSO HAS A 24-RESIDUE PEPTIDE CONSISTING OF A 2-RESIDUE (RG) SIGNAL SEQUENCE, RESIDUES 323 - 339 OF HEN EGG OVALBUMIN AND A 6-RESIDUE (GSGSGS) LINKER, COVALENTLY BONDED TO THE N-TERMINUS. 25324.998 MHC CLASS II I-AD 1 man polymer 221.208 2-acetamido-2-deoxy-beta-D-glucopyranose 1 man non-polymer 18.015 water 8 nat water no no EDDIEADHVGFYGTTVYQSPGDIGQYTHEFDGDELFYVDLDKKKTVWRLPEFGQLILFEPQGGLQNIAAEKHNLGILTKR SNFTPATNEAPQATVFPKSPVLLGQPNTLICFVDNIFPPVINITWLRNSKSVTDGVYETSFLVNRDHSFHKLSYLTFIPS DDDIYDCKVEHWGLEEPVLKHWEPEISSADLVPR EDDIEADHVGFYGTTVYQSPGDIGQYTHEFDGDELFYVDLDKKKTVWRLPEFGQLILFEPQGGLQNIAAEKHNLGILTKR SNFTPATNEAPQATVFPKSPVLLGQPNTLICFVDNIFPPVINITWLRNSKSVTDGVYETSFLVNRDHSFHKLSYLTFIPS DDDIYDCKVEHWGLEEPVLKHWEPEISSADLVPR A polypeptide(L) no no RGISQAVHAAHAEINEAGRGSGSGSGNSERHFVVQFKGECYYTNGTQRIRLVTRYIYNREEYVRYDSDVGEYRAVTELGR PDAEYWNSQPEILDRTRAEVDTACRHNYEGPETSTSLRRLEQPNVAISLSRTEALNHHNTLVCSVTDFYPAKIKVRWFRN GQEETVGVSSTQLIRNGDWTFQVLVMLEMTPHQGEVYTCHVEHPSLKSPITVEWSSADLVPR RGISQAVHAAHAEINEAGRGSGSGSGNSERHFVVQFKGECYYTNGTQRIRLVTRYIYNREEYVRYDSDVGEYRAVTELGR PDAEYWNSQPEILDRTRAEVDTACRHNYEGPETSTSLRRLEQPNVAISLSRTEALNHHNTLVCSVTDFYPAKIKVRWFRN GQEETVGVSSTQLIRNGDWTFQVLVMLEMTPHQGEVYTCHVEHPSLKSPITVEWSSADLVPR 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 n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n n house mouse Mus BALB/C fruit fly Drosophila sample HETEROLOGOUS EXPRESSION S2 10090 EGG Mus musculus S2 7227 Drosophila melanogaster house mouse Mus BALB/C fruit fly Drosophila sample HETEROLOGOUS EXPRESSION S2 10090 EGG Mus musculus S2 7227 Drosophila melanogaster 1 2.79 56. 5.5 32% PEG 600, 0.1 IMIDAZOLE MALATE, PH 5.5 chem_comp entity pdbx_chem_comp_identifier pdbx_entity_nonpoly struct_conn struct_ref_seq_dif struct_site struct_site_gen chem_comp database_2 pdbx_initial_refinement_model repository Initial release Carbohydrate remediation repository Remediation Version format compliance Derived calculations Version format compliance Data collection Database references Derived calculations Structure summary Database references Refinement description Structure summary 1 0 1998-11-04 1 1 2008-03-24 1 2 2011-07-13 1 3 2020-07-29 1 4 2023-08-09 _chem_comp.name _chem_comp.type _entity.pdbx_description _pdbx_entity_nonpoly.name _struct_conn.pdbx_leaving_atom_flag _struct_conn.pdbx_role _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 _chem_comp.pdbx_synonyms _database_2.pdbx_DOI _database_2.pdbx_database_accession DGlcpNAcb N-acetyl-b-D-glucopyranosamine b-D-GlcpNAc GlcNAc Y BNL 1998-03-13 REL NAG 2-acetamido-2-deoxy-beta-D-glucopyranose HOH water 1DLH PDB ENTRY 1DLH PDB experimental model NAG 495 3 NAG NAG 495 B HOH 1004 4 HOH HOH 1004 A HOH 1026 4 HOH HOH 1026 A HOH 1032 4 HOH HOH 1032 A HOH 1036 4 HOH HOH 1036 A HOH 1023 4 HOH HOH 1023 B HOH 1025 4 HOH HOH 1025 B HOH 1042 4 HOH HOH 1042 B HOH 1043 4 HOH HOH 1043 B n 1 -3 A n 2 -2 A n 3 -1 A n 4 0 A GLU 1 n 5 GLU 1 A ALA 2 n 6 ALA 2 A ASP 3 n 7 ASP 3 A HIS 4 n 8 HIS 4 A VAL 5 n 9 VAL 5 A GLY 6 n 10 GLY 6 A PHE 7 n 11 PHE 7 A TYR 8 n 12 TYR 8 A GLY 9 n 13 GLY 9 A THR 10 n 14 THR 10 A THR 11 n 15 THR 11 A VAL 12 n 16 VAL 12 A TYR 13 n 17 TYR 13 A GLN 14 n 18 GLN 14 A SER 15 n 19 SER 15 A PRO 16 n 20 PRO 16 A GLY 17 n 21 GLY 17 A ASP 18 n 22 ASP 18 A ILE 19 n 23 ILE 19 A GLY 20 n 24 GLY 20 A GLN 21 n 25 GLN 21 A TYR 22 n 26 TYR 22 A THR 23 n 27 THR 23 A HIS 24 n 28 HIS 24 A GLU 25 n 29 GLU 25 A PHE 26 n 30 PHE 26 A ASP 27 n 31 ASP 27 A GLY 28 n 32 GLY 28 A ASP 29 n 33 ASP 29 A GLU 30 n 34 GLU 30 A LEU 31 n 35 LEU 31 A PHE 32 n 36 PHE 32 A TYR 33 n 37 TYR 33 A VAL 34 n 38 VAL 34 A ASP 35 n 39 ASP 35 A LEU 36 n 40 LEU 36 A ASP 37 n 41 ASP 37 A LYS 38 n 42 LYS 38 A LYS 39 n 43 LYS 39 A LYS 40 n 44 LYS 40 A THR 41 n 45 THR 41 A VAL 42 n 46 VAL 42 A TRP 43 n 47 TRP 43 A ARG 44 n 48 ARG 44 A LEU 45 n 49 LEU 45 A PRO 46 n 50 PRO 46 A GLU 47 n 51 GLU 47 A PHE 48 n 52 PHE 48 A GLY 49 n 53 GLY 49 A GLN 50 n 54 GLN 50 A LEU 51 n 55 LEU 51 A ILE 52 n 56 ILE 52 A LEU 53 n 57 LEU 53 A PHE 54 n 58 PHE 54 A GLU 55 n 59 GLU 55 A PRO 56 n 60 PRO 56 A GLN 57 n 61 GLN 57 A GLY 58 n 62 GLY 58 A GLY 59 n 63 GLY 59 A LEU 60 n 64 LEU 60 A GLN 61 n 65 GLN 61 A ASN 62 n 66 ASN 62 A ILE 63 n 67 ILE 63 A ALA 64 n 68 ALA 64 A ALA 65 n 69 ALA 65 A GLU 66 n 70 GLU 66 A LYS 67 n 71 LYS 67 A HIS 68 n 72 HIS 68 A ASN 69 n 73 ASN 69 A LEU 70 n 74 LEU 70 A GLY 71 n 75 GLY 71 A ILE 72 n 76 ILE 72 A LEU 73 n 77 LEU 73 A THR 74 n 78 THR 74 A LYS 75 n 79 LYS 75 A ARG 76 n 80 ARG 76 A SER 77 n 81 SER 77 A ASN 78 n 82 ASN 78 A PHE 79 n 83 PHE 79 A THR 80 n 84 THR 80 A PRO 81 n 85 PRO 81 A ALA 82 n 86 ALA 82 A THR 83 n 87 THR 83 A ASN 84 n 88 ASN 84 A GLU 85 n 89 GLU 85 A ALA 86 n 90 ALA 86 A PRO 87 n 91 PRO 87 A GLN 88 n 92 GLN 88 A ALA 89 n 93 ALA 89 A THR 90 n 94 THR 90 A VAL 91 n 95 VAL 91 A PHE 92 n 96 PHE 92 A PRO 93 n 97 PRO 93 A LYS 94 n 98 LYS 94 A SER 95 n 99 SER 95 A PRO 96 n 100 PRO 96 A VAL 97 n 101 VAL 97 A LEU 98 n 102 LEU 98 A LEU 99 n 103 LEU 99 A GLY 100 n 104 GLY 100 A GLN 101 n 105 GLN 101 A PRO 102 n 106 PRO 102 A ASN 103 n 107 ASN 103 A THR 104 n 108 THR 104 A LEU 105 n 109 LEU 105 A ILE 106 n 110 ILE 106 A CYS 107 n 111 CYS 107 A PHE 108 n 112 PHE 108 A VAL 109 n 113 VAL 109 A ASP 110 n 114 ASP 110 A ASN 111 n 115 ASN 111 A ILE 112 n 116 ILE 112 A PHE 113 n 117 PHE 113 A PRO 114 n 118 PRO 114 A PRO 115 n 119 PRO 115 A VAL 116 n 120 VAL 116 A ILE 117 n 121 ILE 117 A ASN 118 n 122 ASN 118 A ILE 119 n 123 ILE 119 A THR 120 n 124 THR 120 A TRP 121 n 125 TRP 121 A LEU 122 n 126 LEU 122 A ARG 123 n 127 ARG 123 A ASN 124 n 128 ASN 124 A SER 125 n 129 SER 125 A LYS 126 n 130 LYS 126 A SER 127 n 131 SER 127 A VAL 128 n 132 VAL 128 A THR 129 n 133 THR 129 A ASP 130 n 134 ASP 130 A GLY 131 n 135 GLY 131 A VAL 132 n 136 VAL 132 A TYR 133 n 137 TYR 133 A GLU 134 n 138 GLU 134 A THR 135 n 139 THR 135 A SER 136 n 140 SER 136 A PHE 137 n 141 PHE 137 A LEU 138 n 142 LEU 138 A VAL 139 n 143 VAL 139 A ASN 140 n 144 ASN 140 A ARG 141 n 145 ARG 141 A ASP 142 n 146 ASP 142 A HIS 143 n 147 HIS 143 A SER 144 n 148 SER 144 A PHE 145 n 149 PHE 145 A HIS 146 n 150 HIS 146 A LYS 147 n 151 LYS 147 A LEU 148 n 152 LEU 148 A SER 149 n 153 SER 149 A TYR 150 n 154 TYR 150 A LEU 151 n 155 LEU 151 A THR 152 n 156 THR 152 A PHE 153 n 157 PHE 153 A ILE 154 n 158 ILE 154 A PRO 155 n 159 PRO 155 A SER 156 n 160 SER 156 A ASP 157 n 161 ASP 157 A ASP 158 n 162 ASP 158 A ASP 159 n 163 ASP 159 A ILE 160 n 164 ILE 160 A TYR 161 n 165 TYR 161 A ASP 162 n 166 ASP 162 A CYS 163 n 167 CYS 163 A LYS 164 n 168 LYS 164 A VAL 165 n 169 VAL 165 A GLU 166 n 170 GLU 166 A HIS 167 n 171 HIS 167 A TRP 168 n 172 TRP 168 A GLY 169 n 173 GLY 169 A LEU 170 n 174 LEU 170 A GLU 171 n 175 GLU 171 A GLU 172 n 176 GLU 172 A PRO 173 n 177 PRO 173 A VAL 174 n 178 VAL 174 A LEU 175 n 179 LEU 175 A LYS 176 n 180 LYS 176 A HIS 177 n 181 HIS 177 A TRP 178 n 182 TRP 178 A n 183 179 A n 184 180 A n 185 181 A n 186 182 A n 187 183 A n 188 184 A n 189 185 A n 190 186 A n 191 187 A n 192 188 A n 193 189 A n 194 190 A ARG 1 n 1 S ARG 1 B GLY 2 n 2 S GLY 2 B ILE 323 n 3 P ILE 323 B SER 324 n 4 P SER 324 B GLN 325 n 5 P GLN 325 B ALA 326 n 6 P ALA 326 B VAL 327 n 7 P VAL 327 B HIS 328 n 8 P HIS 328 B ALA 329 n 9 P ALA 329 B ALA 330 n 10 P ALA 330 B HIS 331 n 11 P HIS 331 B ALA 332 n 12 P ALA 332 B GLU 333 n 13 P GLU 333 B ILE 334 n 14 P ILE 334 B n 15 -10 B n 16 -9 B n 17 -8 B n 18 -7 B n 19 -6 B n 20 -5 B n 21 -4 B n 22 -3 B n 23 -2 B n 24 -1 B n 25 0 B n 26 1 B n 27 2 B n 28 3 B n 29 4 B n 30 5 B HIS 6 n 31 HIS 6 B PHE 7 n 32 PHE 7 B VAL 8 n 33 VAL 8 B VAL 9 n 34 VAL 9 B GLN 10 n 35 GLN 10 B PHE 11 n 36 PHE 11 B LYS 12 n 37 LYS 12 B GLY 13 n 38 GLY 13 B GLU 14 n 39 GLU 14 B CYS 15 n 40 CYS 15 B TYR 16 n 41 TYR 16 B TYR 17 n 42 TYR 17 B THR 18 n 43 THR 18 B ASN 19 n 44 ASN 19 B GLY 20 n 45 GLY 20 B THR 21 n 46 THR 21 B GLN 22 n 47 GLN 22 B ARG 23 n 48 ARG 23 B ILE 24 n 49 ILE 24 B ARG 25 n 50 ARG 25 B LEU 26 n 51 LEU 26 B VAL 27 n 52 VAL 27 B THR 28 n 53 THR 28 B ARG 29 n 54 ARG 29 B TYR 30 n 55 TYR 30 B ILE 31 n 56 ILE 31 B TYR 32 n 57 TYR 32 B ASN 33 n 58 ASN 33 B ARG 34 n 59 ARG 34 B GLU 35 n 60 GLU 35 B GLU 36 n 61 GLU 36 B TYR 37 n 62 TYR 37 B VAL 38 n 63 VAL 38 B ARG 39 n 64 ARG 39 B TYR 40 n 65 TYR 40 B ASP 41 n 66 ASP 41 B SER 42 n 67 SER 42 B ASP 43 n 68 ASP 43 B VAL 44 n 69 VAL 44 B GLY 45 n 70 GLY 45 B GLU 46 n 71 GLU 46 B TYR 47 n 72 TYR 47 B ARG 48 n 73 ARG 48 B ALA 49 n 74 ALA 49 B VAL 50 n 75 VAL 50 B THR 51 n 76 THR 51 B GLU 52 n 77 GLU 52 B LEU 53 n 78 LEU 53 B GLY 54 n 79 GLY 54 B ARG 55 n 80 ARG 55 B PRO 56 n 81 PRO 56 B ASP 57 n 82 ASP 57 B ALA 58 n 83 ALA 58 B GLU 59 n 84 GLU 59 B TYR 60 n 85 TYR 60 B TRP 61 n 86 TRP 61 B ASN 62 n 87 ASN 62 B SER 63 n 88 SER 63 B GLN 64 n 89 GLN 64 B PRO 65 n 90 PRO 65 B GLU 66 n 91 GLU 66 B ILE 67 n 92 ILE 67 B LEU 68 n 93 LEU 68 B ASP 69 n 94 ASP 69 B ARG 70 n 95 ARG 70 B THR 71 n 96 THR 71 B ARG 72 n 97 ARG 72 B ALA 73 n 98 ALA 73 B GLU 74 n 99 GLU 74 B VAL 75 n 100 VAL 75 B ASP 76 n 101 ASP 76 B THR 77 n 102 THR 77 B ALA 78 n 103 ALA 78 B CYS 79 n 104 CYS 79 B ARG 80 n 105 ARG 80 B HIS 81 n 106 HIS 81 B ASN 82 n 107 ASN 82 B TYR 83 n 108 TYR 83 B GLU 84 n 109 GLU 84 B GLY 85 n 110 GLY 85 B PRO 86 n 111 PRO 86 B GLU 87 n 112 GLU 87 B THR 88 n 113 THR 88 B SER 89 n 114 SER 89 B THR 90 n 115 THR 90 B SER 91 n 116 SER 91 B LEU 92 n 117 LEU 92 B ARG 93 n 118 ARG 93 B ARG 94 n 119 ARG 94 B LEU 94 n 120 A LEU 94 B GLU 95 n 121 GLU 95 B GLN 96 n 122 GLN 96 B PRO 97 n 123 PRO 97 B ASN 98 n 124 ASN 98 B VAL 99 n 125 VAL 99 B ALA 100 n 126 ALA 100 B ILE 101 n 127 ILE 101 B SER 102 n 128 SER 102 B LEU 103 n 129 LEU 103 B SER 104 n 130 SER 104 B ARG 105 n 131 ARG 105 B THR 106 n 132 THR 106 B GLU 107 n 133 GLU 107 B ALA 108 n 134 ALA 108 B LEU 109 n 135 LEU 109 B ASN 110 n 136 ASN 110 B HIS 111 n 137 HIS 111 B HIS 112 n 138 HIS 112 B ASN 113 n 139 ASN 113 B THR 114 n 140 THR 114 B LEU 115 n 141 LEU 115 B VAL 116 n 142 VAL 116 B CYS 117 n 143 CYS 117 B SER 118 n 144 SER 118 B VAL 119 n 145 VAL 119 B THR 120 n 146 THR 120 B ASP 121 n 147 ASP 121 B PHE 122 n 148 PHE 122 B TYR 123 n 149 TYR 123 B PRO 124 n 150 PRO 124 B ALA 125 n 151 ALA 125 B LYS 126 n 152 LYS 126 B ILE 127 n 153 ILE 127 B LYS 128 n 154 LYS 128 B VAL 129 n 155 VAL 129 B ARG 130 n 156 ARG 130 B TRP 131 n 157 TRP 131 B PHE 132 n 158 PHE 132 B ARG 133 n 159 ARG 133 B ASN 134 n 160 ASN 134 B GLY 135 n 161 GLY 135 B GLN 136 n 162 GLN 136 B GLU 137 n 163 GLU 137 B GLU 138 n 164 GLU 138 B THR 139 n 165 THR 139 B VAL 140 n 166 VAL 140 B GLY 141 n 167 GLY 141 B VAL 142 n 168 VAL 142 B SER 143 n 169 SER 143 B SER 144 n 170 SER 144 B THR 145 n 171 THR 145 B GLN 146 n 172 GLN 146 B LEU 147 n 173 LEU 147 B ILE 148 n 174 ILE 148 B ARG 149 n 175 ARG 149 B ASN 150 n 176 ASN 150 B GLY 151 n 177 GLY 151 B ASP 152 n 178 ASP 152 B TRP 153 n 179 TRP 153 B THR 154 n 180 THR 154 B PHE 155 n 181 PHE 155 B GLN 156 n 182 GLN 156 B VAL 157 n 183 VAL 157 B LEU 158 n 184 LEU 158 B VAL 159 n 185 VAL 159 B MET 160 n 186 MET 160 B LEU 161 n 187 LEU 161 B GLU 162 n 188 GLU 162 B MET 163 n 189 MET 163 B THR 164 n 190 THR 164 B PRO 165 n 191 PRO 165 B HIS 166 n 192 HIS 166 B GLN 167 n 193 GLN 167 B GLY 168 n 194 GLY 168 B GLU 169 n 195 GLU 169 B VAL 170 n 196 VAL 170 B TYR 171 n 197 TYR 171 B THR 172 n 198 THR 172 B CYS 173 n 199 CYS 173 B HIS 174 n 200 HIS 174 B VAL 175 n 201 VAL 175 B GLU 176 n 202 GLU 176 B HIS 177 n 203 HIS 177 B PRO 178 n 204 PRO 178 B SER 179 n 205 SER 179 B LEU 180 n 206 LEU 180 B LYS 181 n 207 LYS 181 B SER 182 n 208 SER 182 B PRO 183 n 209 PRO 183 B ILE 184 n 210 ILE 184 B THR 185 n 211 THR 185 B VAL 186 n 212 VAL 186 B GLU 187 n 213 GLU 187 B TRP 188 n 214 TRP 188 B SER 1 n 215 T SER 1 B SER 2 n 216 T SER 2 B n 217 T 3 B n 218 T 4 B n 219 T 5 B n 220 T 6 B n 221 T 7 B n 222 T 8 B author_and_software_defined_assembly PQS 4 tetrameric software_defined_assembly PISA 2 dimeric 5770 -23 18360 B ASN 19 GLYCOSYLATION SITE B ASN 44 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 0.0000000000 -1.0000000000 0.0000000000 -1.0000000000 0.0000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 8_665 -y+1,-x+1,-z+1/2 crystal symmetry operation 101.3000000000 101.3000000000 46.3000000000 A O LYS 40 A O LYS 44 A N ASP 35 A N ASP 39 A O ASP 29 A O ASP 33 A N PHE 26 A N PHE 30 A O ILE 19 A O ILE 23 A N GLN 14 A N GLN 18 A O PHE 92 A O PHE 96 A N ILE 106 A N ILE 110 A O ASN 103 A O ASN 107 A N PHE 153 A N PHE 157 A O ASN 118 A O ASN 122 A N GLU 166 A N GLU 170 A O TYR 161 A O TYR 165 A N TRP 178 A N TRP 182 B O GLN 10 B O GLN 35 B N ILE 31 B N ILE 56 B O THR 28 B O THR 53 B N TYR 40 B N TYR 65 B O ARG 39 B O ARG 64 B N ARG 48 B N ARG 73 B O SER 102 B O SER 128 B N VAL 116 B N VAL 142 B O ASN 113 B O ASN 139 B N MET 163 B N MET 189 B O MET 160 B O MET 186 B N SER 143 B N SER 169 B O GLN 136 B O GLN 162 B N ARG 133 B N ARG 159 B O LYS 128 B O LYS 154 B N GLU 176 B N GLU 202 B O TYR 171 B O TYR 197 B N TRP 188 B N TRP 214 1 A CG1 ILE 52 A CG1 ILE 56 1 Y 1 A CG2 ILE 52 A CG2 ILE 56 1 Y 1 A CD1 ILE 52 A CD1 ILE 56 1 Y 1 A CB SER 125 A CB SER 129 1 Y 1 A OG SER 125 A OG SER 129 1 Y 1 A CB LYS 126 A CB LYS 130 1 Y 1 A CG LYS 126 A CG LYS 130 1 Y 1 A CD LYS 126 A CD LYS 130 1 Y 1 A CE LYS 126 A CE LYS 130 1 Y 1 A NZ LYS 126 A NZ LYS 130 1 Y 1 A CG ASP 158 A CG ASP 162 1 Y 1 A OD1 ASP 158 A OD1 ASP 162 1 Y 1 A OD2 ASP 158 A OD2 ASP 162 1 Y 1 A CG ASP 159 A CG ASP 163 1 Y 1 A OD1 ASP 159 A OD1 ASP 163 1 Y 1 A OD2 ASP 159 A OD2 ASP 163 1 Y 1 A CG1 ILE 160 A CG1 ILE 164 1 Y 1 A CG2 ILE 160 A CG2 ILE 164 1 Y 1 A CD1 ILE 160 A CD1 ILE 164 1 Y 1 A CG GLU 172 A CG GLU 176 1 Y 1 A CD GLU 172 A CD GLU 176 1 Y 1 A OE1 GLU 172 A OE1 GLU 176 1 Y 1 A OE2 GLU 172 A OE2 GLU 176 1 Y S 1 B CG ARG 1 B CG ARG 1 1 Y S 1 B CD ARG 1 B CD ARG 1 1 Y S 1 B NE ARG 1 B NE ARG 1 1 Y S 1 B CZ ARG 1 B CZ ARG 1 1 Y S 1 B NH1 ARG 1 B NH1 ARG 1 1 Y S 1 B NH2 ARG 1 B NH2 ARG 1 1 Y 1 B CG HIS 6 B CG HIS 31 1 Y 1 B ND1 HIS 6 B ND1 HIS 31 1 Y 1 B CD2 HIS 6 B CD2 HIS 31 1 Y 1 B CE1 HIS 6 B CE1 HIS 31 1 Y 1 B NE2 HIS 6 B NE2 HIS 31 1 Y 1 B CG LEU 103 B CG LEU 129 1 Y 1 B CD1 LEU 103 B CD1 LEU 129 1 Y 1 B CD2 LEU 103 B CD2 LEU 129 1 Y 1 B OG SER 104 B OG SER 130 1 Y 1 B CG ARG 105 B CG ARG 131 1 Y 1 B CD ARG 105 B CD ARG 131 1 Y 1 B NE ARG 105 B NE ARG 131 1 Y 1 B CZ ARG 105 B CZ ARG 131 1 Y 1 B NH1 ARG 105 B NH1 ARG 131 1 Y 1 B NH2 ARG 105 B NH2 ARG 131 1 Y 1 B OG1 THR 106 B OG1 THR 132 1 Y 1 B CG2 THR 106 B CG2 THR 132 1 Y 1 B CG GLU 107 B CG GLU 133 1 Y 1 B CD GLU 107 B CD GLU 133 1 Y 1 B OE1 GLU 107 B OE1 GLU 133 1 Y 1 B OE2 GLU 107 B OE2 GLU 133 1 Y 1 B CG LEU 109 B CG LEU 135 1 Y 1 B CD1 LEU 109 B CD1 LEU 135 1 Y 1 B CD2 LEU 109 B CD2 LEU 135 1 Y 1 B CB GLN 167 B CB GLN 193 1 Y 1 B CG GLN 167 B CG GLN 193 1 Y 1 B CD GLN 167 B CD GLN 193 1 Y 1 B OE1 GLN 167 B OE1 GLN 193 1 Y 1 B NE2 GLN 167 B NE2 GLN 193 1 Y 1 A GLU -3 A GLU 1 1 Y 1 A ASP -2 A ASP 2 1 Y 1 A ASP -1 A ASP 3 1 Y 1 A ILE 0 A ILE 4 1 Y 1 A GLU 179 A GLU 183 1 Y 1 A PRO 180 A PRO 184 1 Y 1 A GLU 181 A GLU 185 1 Y 1 A ILE 182 A ILE 186 1 Y 1 A SER 183 A SER 187 1 Y 1 A SER 184 A SER 188 1 Y 1 A ALA 185 A ALA 189 1 Y 1 A ASP 186 A ASP 190 1 Y 1 A LEU 187 A LEU 191 1 Y 1 A VAL 188 A VAL 192 1 Y 1 A PRO 189 A PRO 193 1 Y 1 A ARG 190 A ARG 194 1 Y 1 B ASN -10 B ASN 15 1 Y 1 B GLU -9 B GLU 16 1 Y 1 B ALA -8 B ALA 17 1 Y 1 B GLY -7 B GLY 18 1 Y 1 B ARG -6 B ARG 19 1 Y 1 B GLY -5 B GLY 20 1 Y 1 B SER -4 B SER 21 1 Y 1 B GLY -3 B GLY 22 1 Y 1 B SER -2 B SER 23 1 Y 1 B GLY -1 B GLY 24 1 Y 1 B SER 0 B SER 25 1 Y 1 B GLY 1 B GLY 26 1 Y 1 B ASN 2 B ASN 27 1 Y 1 B SER 3 B SER 28 1 Y 1 B GLU 4 B GLU 29 1 Y 1 B ARG 5 B ARG 30 1 Y T 1 B ALA 3 B ALA 217 1 Y T 1 B ASP 4 B ASP 218 1 Y T 1 B LEU 5 B LEU 219 1 Y T 1 B VAL 6 B VAL 220 1 Y T 1 B PRO 7 B PRO 221 1 Y T 1 B ARG 8 B ARG 222 1 Y 1 A A O N ASP ASP 157 159 1.94 1 A A O N ASP ILE 158 160 2.02 1 B B O O ASN HOH 110 1043 2.05 1 A A OE2 OG GLU SER 30 136 2.18 1 -23.27 1.50 119.30 96.03 A A A C N CA SER PRO PRO 15 16 16 Y 1 22.47 2.10 128.40 150.87 A A A C N CD SER PRO PRO 15 16 16 Y 1 16.02 1.50 119.30 135.32 A A A C N CA ILE PRO PRO 154 155 155 Y 1 -15.31 2.10 128.40 113.09 A A A C N CD ILE PRO PRO 154 155 155 Y 1 26.15 2.60 112.10 138.25 A A A N CA C PRO PRO PRO 155 155 155 N 1 -22.05 2.50 113.10 91.05 A A A N CA C GLY GLY GLY 169 169 169 N 1 -14.09 1.50 119.30 105.21 A A A C N CA GLU PRO PRO 172 173 173 Y 1 -16.18 2.60 112.10 95.92 A A A N CA C PRO PRO PRO 173 173 173 N 1 -16.36 2.70 111.00 94.64 B B B N CA C ALA ALA ALA 108 108 108 N 1 17.84 1.50 119.30 137.14 B B B C N CA THR PRO PRO 164 165 165 Y 1 -16.95 2.10 128.40 111.45 B B B C N CD THR PRO PRO 164 165 165 Y 1 18.94 2.70 111.00 129.94 B B B N CA C HIS HIS HIS 166 166 166 N 1 A PRO 115 -63.10 51.64 1 A ASN 124 -62.85 -80.31 1 A SER 125 132.26 36.41 1 A ASP 130 -170.84 126.45 1 A PRO 155 -38.21 -15.07 1 A ASP 158 36.50 -2.41 1 A ASP 159 -12.59 8.33 1 A PRO 173 -53.92 177.46 1 B ASN 19 43.89 78.25 1 B ASN 33 74.46 -90.11 1 B THR 90 -144.17 -74.12 1 B SER 104 -38.82 126.56 1 B ARG 105 -46.37 86.95 1 B THR 106 89.95 20.18 1 B GLU 107 -138.28 -86.59 1 B HIS 111 79.00 95.38 1 B HIS 112 85.31 97.15 1 B HIS 166 -167.70 91.66 1 B GLN 167 117.68 -149.92 1 B PRO 183 -37.78 120.79 51. 0.32 0.255 0.255 2.6 27.0 1464 14777 10.0 99. RANDOM 1000000. 0.01 1 0.0 MOLECULAR REPLACEMENT PDB ENTRY 1DLH 2.6 27.0 8 3035 14 0 3013 0.012 2.6 29.2 0.456 0.412 2.72 176 1513 8 10. 91. 2.6 27.0 1IAO 14777 0. 0.057 0.057 1 10. 9.0 99. 0.383 2.6 2.7 2. 0.383 1 3.4 91. data reduction DENZO data scaling SCALEPACK phasing AMoRE refinement X-PLOR 3.8 CLASS II MHC I-AD IN COMPLEX WITH OVALBUMIN PEPTIDE 323-339 1 N N 2 N N 3 N N 4 N N 4 N N A PRO 46 A PRO 50 HELX_P A GLY 49 A GLY 53 1 1 4 A PRO 56 A PRO 60 HELX_P A ARG 76 A ARG 80 1 2 21 B GLU 52 B GLU 77 HELX_P B SER 63 B SER 88 5 3 12 B PRO 65 B PRO 90 HELX_P B THR 77 B THR 102 1 4 13 B CYS 79 B CYS 104 HELX_P B GLU 84 B GLU 109 1 5 6 B GLU 87 B GLU 112 HELX_P B SER 89 B SER 114 5 6 3 disulf 2.031 A CYS 107 A SG CYS 111 1_555 A CYS 163 A SG CYS 167 1_555 disulf 2.012 B CYS 15 B SG CYS 40 1_555 B CYS 79 B SG CYS 104 1_555 disulf 2.027 B CYS 117 B SG CYS 143 1_555 B CYS 173 B SG CYS 199 1_555 covale 1.452 one N-Glycosylation B ASN 19 B ND2 ASN 44 1_555 B NAG 495 C C1 NAG 1_555 MHC II MHC II, CLASS II MHC, I-A, OVALBUMIN PEPTIDE A PHE 113 A PHE 117 1 A PRO 114 A PRO 118 -2.61 B TYR 123 B TYR 149 1 B PRO 124 B PRO 150 -1.48 HA2D_MOUSE UNP 1 1 P04228 MPCSRALILGVLALNTMLSLCGGEDDIEADHVGFYGTTVYQSPGDIGQYTHEFDGDELFYVDLDKKKTVWRLPEFGQLIL FEPQGGLQNIAAEKHNLGILTKRSNFTPATNEAPQATVFPKSPVLLGQPNTLICFVDNIFPPVINITWLRNSKSVTDGVY ETSFLVNRDHSFHKLSYLTFIPSDDDIYDCKVEHWGLEEPVLKHWEPEIPAPMSELTETVVCALGLSVGLVGIVVGTIFI IQGLRSGGTSRHPGPL HA2D_MOUSE UNP 2 1 P04228 MALQIPSLLLSAAVVVLMVLSSPRTEGGNSERHFVVQFKGECYYTNGTQRIRLVTRYIYNREEYVRYDSDVGEYRAVTEL GRPDAEYWNSQPEILERTRAEVDTACRHNYEGPETSTSLRRLEQPNVAISLSRTEALNHHNTLVCSVTDFYPAKIKVRWF RNGQEETVGVSSTQLIRNGDWTFQVLVMLEMTPHQGEVYTCHVEHPSLKSPITVEWRAQSESARSKMLSGIGGCVLGVIF LGLGLFIRHRSQKGPRGPPPAGLLQ 24 209 1IAO -3 182 P04228 A 1 1 186 28 216 1IAO 1 188 P04228 B 2 26 214 2 GLU conflict ASP 69 1IAO B P04228 UNP 96 94 4 3 3 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 A LYS 40 A LYS 44 A TRP 43 A TRP 47 A ASP 29 A ASP 33 A ASP 35 A ASP 39 A ILE 19 A ILE 23 A PHE 26 A PHE 30 A GLY 6 A GLY 10 A GLN 14 A GLN 18 A VAL 91 A VAL 95 A PRO 93 A PRO 97 A PRO 102 A PRO 106 A VAL 109 A VAL 113 A LYS 147 A LYS 151 A ILE 154 A ILE 158 A ASN 118 A ASN 122 A TRP 121 A TRP 125 A TYR 161 A TYR 165 A GLU 166 A GLU 170 A VAL 174 A VAL 178 A TRP 178 A TRP 182 B VAL 9 B VAL 34 B THR 18 B THR 43 B ARG 23 B ARG 48 B TYR 32 B TYR 57 B GLU 35 B GLU 60 B ASP 41 B ASP 66 B TYR 47 B TYR 72 B ALA 49 B ALA 74 B ILE 101 B ILE 127 B LEU 103 B LEU 129 B ASN 113 B ASN 139 B PHE 122 B PHE 148 B PHE 155 B PHE 181 B MET 163 B MET 189 B VAL 142 B VAL 168 B SER 144 B SER 170 B GLN 136 B GLN 162 B GLU 138 B GLU 164 B ILE 127 B ILE 153 B ARG 133 B ARG 159 B VAL 170 B VAL 196 B HIS 177 B HIS 203 B ILE 184 B ILE 210 B SER 1 B SER 215 T 92 P 41 21 2