0.028133 0.000000 0.000000 0.000000 0.028133 0.000000 0.000000 0.000000 0.003709 0.00000 0.00000 0.00000 Shimaoka, M. Xiao, T. Liu, J.-H. Yang, Y. Dong, Y. Jun, C.-D. McCormack, A. Zhang, R. Joachimiak, A. Takagi, J. Wang, J.-H. Springer, T.A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 8 90.00 90.00 90.00 35.546 35.546 269.626 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 Mn 2 54.938 MANGANESE (II) ION non-polymer 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 US Cell(Cambridge,Mass.) CELLB5 0998 0092-8674 112 99 111 10.1016/S0092-8674(02)01257-6 12526797 Structures of the aL I domain and its complex with ICAM-1 reveal a shape-shifting pathway for integrin regulation 2003 10.2210/pdb1mq9/pdb pdb_00001mq9 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100 1 mirrors CCD 2001-10-10 CUSTOM-MADE Ni MIRROR + Ni FILTER SINGLE WAVELENGTH M x-ray 1 1.0700 1.0 19-ID APS 1.0700 SYNCHROTRON APS BEAMLINE 19-ID 20495.502 Integrin alpha-L Integrin alphaL I domain K287C, K294C 1 man polymer 54.938 MANGANESE (II) ION 1 syn non-polymer 18.015 water 90 nat water Leukocyte adhesion glycoprotein LFA-1 alpha chain; Leukocyte function associated molecule 1, alpha chain; CD11a no no MGNVDLVFLFDGSMSLQPDEFQKILDFMKDVMKKLSNTSYQFAAVQFSTSYKTEFDFSDYVKRKDPDALLKHVKHMLLLT NTFGAINYVATEVFREELGARPDATKVLIIITDGEATDSGNIDAAKDIIRYIIGIGKHFQTKESQETLHKFASKPASEFV CILDTFECLKDLFTELQKKI MGNVDLVFLFDGSMSLQPDEFQKILDFMKDVMKKLSNTSYQFAAVQFSTSYKTEFDFSDYVKRKDPDALLKHVKHMLLLT NTFGAINYVATEVFREELGARPDATKVLIIITDGEATDSGNIDAAKDIIRYIIGIGKHFQTKESQETLHKFASKPASEFV CILDTFECLKDLFTELQKKI 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 human Homo Escherichia Escherichia coli sample LFA-1 (AlphaLbeta2) 9606 Homo sapiens 469008 Escherichia coli BL21(DE3) BL21(DE3) plasmid pET11 1 2.03 38.95 VAPOR DIFFUSION, HANGING DROP 7.0 20% PEG 2000 MME, 25 mM MnCl2, pH 7.0, VAPOR DIFFUSION, HANGING DROP at 298K 298 database_2 pdbx_struct_conn_angle struct_conn struct_ref_seq_dif struct_site repository Initial release Version format compliance Version format compliance Atomic model Database references Derived calculations 1 0 2003-01-14 1 1 2008-04-28 1 2 2011-07-13 1 3 2011-11-16 1 4 2021-10-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_struct_conn_angle.ptnr1_auth_comp_id _pdbx_struct_conn_angle.ptnr1_auth_seq_id _pdbx_struct_conn_angle.ptnr1_label_asym_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.ptnr3_auth_comp_id _pdbx_struct_conn_angle.ptnr3_auth_seq_id _pdbx_struct_conn_angle.ptnr3_label_asym_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.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.ptnr1_symmetry _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_conn.ptnr2_symmetry _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 2002-09-15 REL REL MN MANGANESE (II) ION HOH water MN 901 2 MN MN 901 A HOH 1 3 HOH HOH 1 A HOH 2 3 HOH HOH 2 A HOH 3 3 HOH HOH 3 A HOH 4 3 HOH HOH 4 A HOH 5 3 HOH HOH 5 A HOH 6 3 HOH HOH 6 A HOH 7 3 HOH HOH 7 A HOH 8 3 HOH HOH 8 A HOH 9 3 HOH HOH 9 A HOH 10 3 HOH HOH 10 A HOH 11 3 HOH HOH 11 A HOH 12 3 HOH HOH 12 A HOH 13 3 HOH HOH 13 A HOH 14 3 HOH HOH 14 A HOH 15 3 HOH HOH 15 A HOH 16 3 HOH HOH 16 A HOH 17 3 HOH HOH 17 A HOH 18 3 HOH HOH 18 A HOH 19 3 HOH HOH 19 A HOH 20 3 HOH HOH 20 A HOH 21 3 HOH HOH 21 A HOH 22 3 HOH HOH 22 A HOH 23 3 HOH HOH 23 A HOH 24 3 HOH HOH 24 A HOH 25 3 HOH HOH 25 A HOH 26 3 HOH HOH 26 A HOH 27 3 HOH HOH 27 A HOH 28 3 HOH HOH 28 A HOH 29 3 HOH HOH 29 A HOH 30 3 HOH HOH 30 A HOH 31 3 HOH HOH 31 A HOH 32 3 HOH HOH 32 A HOH 33 3 HOH HOH 33 A HOH 34 3 HOH HOH 34 A HOH 35 3 HOH HOH 35 A HOH 36 3 HOH HOH 36 A HOH 37 3 HOH HOH 37 A HOH 38 3 HOH HOH 38 A HOH 39 3 HOH HOH 39 A HOH 40 3 HOH HOH 40 A HOH 41 3 HOH HOH 41 A HOH 42 3 HOH HOH 42 A HOH 43 3 HOH HOH 43 A HOH 44 3 HOH HOH 44 A HOH 45 3 HOH HOH 45 A HOH 46 3 HOH HOH 46 A HOH 47 3 HOH HOH 47 A HOH 48 3 HOH HOH 48 A HOH 49 3 HOH HOH 49 A HOH 50 3 HOH HOH 50 A HOH 51 3 HOH HOH 51 A HOH 52 3 HOH HOH 52 A HOH 53 3 HOH HOH 53 A HOH 54 3 HOH HOH 54 A HOH 55 3 HOH HOH 55 A HOH 56 3 HOH HOH 56 A HOH 57 3 HOH HOH 57 A HOH 58 3 HOH HOH 58 A HOH 59 3 HOH HOH 59 A HOH 60 3 HOH HOH 60 A HOH 61 3 HOH HOH 61 A HOH 62 3 HOH HOH 62 A HOH 63 3 HOH HOH 63 A HOH 64 3 HOH HOH 64 A HOH 65 3 HOH HOH 65 A HOH 66 3 HOH HOH 66 A HOH 67 3 HOH HOH 67 A HOH 68 3 HOH HOH 68 A HOH 69 3 HOH HOH 69 A HOH 70 3 HOH HOH 70 A HOH 71 3 HOH HOH 71 A HOH 72 3 HOH HOH 72 A HOH 73 3 HOH HOH 73 A HOH 74 3 HOH HOH 74 A HOH 75 3 HOH HOH 75 A HOH 76 3 HOH HOH 76 A HOH 77 3 HOH HOH 77 A HOH 78 3 HOH HOH 78 A HOH 79 3 HOH HOH 79 A HOH 80 3 HOH HOH 80 A HOH 81 3 HOH HOH 81 A HOH 82 3 HOH HOH 82 A HOH 83 3 HOH HOH 83 A HOH 84 3 HOH HOH 84 A HOH 85 3 HOH HOH 85 A HOH 86 3 HOH HOH 86 A HOH 87 3 HOH HOH 87 A HOH 88 3 HOH HOH 88 A HOH 89 3 HOH HOH 89 A HOH 90 3 HOH HOH 90 A n 1 127 A GLY 128 n 2 GLY 128 A ASN 129 n 3 ASN 129 A VAL 130 n 4 VAL 130 A ASP 131 n 5 ASP 131 A LEU 132 n 6 LEU 132 A VAL 133 n 7 VAL 133 A PHE 134 n 8 PHE 134 A LEU 135 n 9 LEU 135 A PHE 136 n 10 PHE 136 A ASP 137 n 11 ASP 137 A GLY 138 n 12 GLY 138 A SER 139 n 13 SER 139 A MET 140 n 14 MET 140 A SER 141 n 15 SER 141 A LEU 142 n 16 LEU 142 A GLN 143 n 17 GLN 143 A PRO 144 n 18 PRO 144 A ASP 145 n 19 ASP 145 A GLU 146 n 20 GLU 146 A PHE 147 n 21 PHE 147 A GLN 148 n 22 GLN 148 A LYS 149 n 23 LYS 149 A ILE 150 n 24 ILE 150 A LEU 151 n 25 LEU 151 A ASP 152 n 26 ASP 152 A PHE 153 n 27 PHE 153 A MET 154 n 28 MET 154 A LYS 155 n 29 LYS 155 A ASP 156 n 30 ASP 156 A VAL 157 n 31 VAL 157 A MET 158 n 32 MET 158 A LYS 159 n 33 LYS 159 A LYS 160 n 34 LYS 160 A LEU 161 n 35 LEU 161 A SER 162 n 36 SER 162 A ASN 163 n 37 ASN 163 A THR 164 n 38 THR 164 A SER 165 n 39 SER 165 A TYR 166 n 40 TYR 166 A GLN 167 n 41 GLN 167 A PHE 168 n 42 PHE 168 A ALA 169 n 43 ALA 169 A ALA 170 n 44 ALA 170 A VAL 171 n 45 VAL 171 A GLN 172 n 46 GLN 172 A PHE 173 n 47 PHE 173 A SER 174 n 48 SER 174 A THR 175 n 49 THR 175 A SER 176 n 50 SER 176 A TYR 177 n 51 TYR 177 A LYS 178 n 52 LYS 178 A THR 179 n 53 THR 179 A GLU 180 n 54 GLU 180 A PHE 181 n 55 PHE 181 A ASP 182 n 56 ASP 182 A PHE 183 n 57 PHE 183 A SER 184 n 58 SER 184 A ASP 185 n 59 ASP 185 A TYR 186 n 60 TYR 186 A VAL 187 n 61 VAL 187 A LYS 188 n 62 LYS 188 A ARG 189 n 63 ARG 189 A LYS 190 n 64 LYS 190 A ASP 191 n 65 ASP 191 A PRO 192 n 66 PRO 192 A ASP 193 n 67 ASP 193 A ALA 194 n 68 ALA 194 A LEU 195 n 69 LEU 195 A LEU 196 n 70 LEU 196 A LYS 197 n 71 LYS 197 A HIS 198 n 72 HIS 198 A VAL 199 n 73 VAL 199 A LYS 200 n 74 LYS 200 A HIS 201 n 75 HIS 201 A MET 202 n 76 MET 202 A LEU 203 n 77 LEU 203 A LEU 204 n 78 LEU 204 A LEU 205 n 79 LEU 205 A THR 206 n 80 THR 206 A ASN 207 n 81 ASN 207 A THR 208 n 82 THR 208 A PHE 209 n 83 PHE 209 A GLY 210 n 84 GLY 210 A ALA 211 n 85 ALA 211 A ILE 212 n 86 ILE 212 A ASN 213 n 87 ASN 213 A TYR 214 n 88 TYR 214 A VAL 215 n 89 VAL 215 A ALA 216 n 90 ALA 216 A THR 217 n 91 THR 217 A GLU 218 n 92 GLU 218 A VAL 219 n 93 VAL 219 A PHE 220 n 94 PHE 220 A ARG 221 n 95 ARG 221 A GLU 222 n 96 GLU 222 A GLU 223 n 97 GLU 223 A LEU 224 n 98 LEU 224 A GLY 225 n 99 GLY 225 A ALA 226 n 100 ALA 226 A ARG 227 n 101 ARG 227 A PRO 228 n 102 PRO 228 A ASP 229 n 103 ASP 229 A ALA 230 n 104 ALA 230 A THR 231 n 105 THR 231 A LYS 232 n 106 LYS 232 A VAL 233 n 107 VAL 233 A LEU 234 n 108 LEU 234 A ILE 235 n 109 ILE 235 A ILE 236 n 110 ILE 236 A ILE 237 n 111 ILE 237 A THR 238 n 112 THR 238 A ASP 239 n 113 ASP 239 A GLY 240 n 114 GLY 240 A GLU 241 n 115 GLU 241 A ALA 242 n 116 ALA 242 A THR 243 n 117 THR 243 A ASP 244 n 118 ASP 244 A SER 245 n 119 SER 245 A GLY 246 n 120 GLY 246 A ASN 247 n 121 ASN 247 A ILE 248 n 122 ILE 248 A ASP 249 n 123 ASP 249 A ALA 250 n 124 ALA 250 A ALA 251 n 125 ALA 251 A LYS 252 n 126 LYS 252 A ASP 253 n 127 ASP 253 A ILE 254 n 128 ILE 254 A ILE 255 n 129 ILE 255 A ARG 256 n 130 ARG 256 A TYR 257 n 131 TYR 257 A ILE 258 n 132 ILE 258 A ILE 259 n 133 ILE 259 A GLY 260 n 134 GLY 260 A ILE 261 n 135 ILE 261 A GLY 262 n 136 GLY 262 A LYS 263 n 137 LYS 263 A HIS 264 n 138 HIS 264 A PHE 265 n 139 PHE 265 A GLN 266 n 140 GLN 266 A THR 267 n 141 THR 267 A LYS 268 n 142 LYS 268 A GLU 269 n 143 GLU 269 A SER 270 n 144 SER 270 A GLN 271 n 145 GLN 271 A GLU 272 n 146 GLU 272 A THR 273 n 147 THR 273 A LEU 274 n 148 LEU 274 A HIS 275 n 149 HIS 275 A LYS 276 n 150 LYS 276 A PHE 277 n 151 PHE 277 A ALA 278 n 152 ALA 278 A SER 279 n 153 SER 279 A LYS 280 n 154 LYS 280 A PRO 281 n 155 PRO 281 A ALA 282 n 156 ALA 282 A SER 283 n 157 SER 283 A GLU 284 n 158 GLU 284 A PHE 285 n 159 PHE 285 A VAL 286 n 160 VAL 286 A CYS 287 n 161 CYS 287 A ILE 288 n 162 ILE 288 A LEU 289 n 163 LEU 289 A ASP 290 n 164 ASP 290 A THR 291 n 165 THR 291 A PHE 292 n 166 PHE 292 A GLU 293 n 167 GLU 293 A CYS 294 n 168 CYS 294 A LEU 295 n 169 LEU 295 A LYS 296 n 170 LYS 296 A ASP 297 n 171 ASP 297 A LEU 298 n 172 LEU 298 A PHE 299 n 173 PHE 299 A THR 300 n 174 THR 300 A n 175 301 A n 176 302 A n 177 303 A n 178 304 A n 179 305 A n 180 306 A author_defined_assembly 1 monomeric A HOH 26 C O HOH 1_555 A MN 901 B MN MN 1_555 A HOH 62 C O HOH 1_555 94.9 A HOH 26 C O HOH 1_555 A MN 901 B MN MN 1_555 A SER 139 A OG SER 13 1_555 86.6 A HOH 62 C O HOH 1_555 A MN 901 B MN MN 1_555 A SER 139 A OG SER 13 1_555 173.9 A HOH 26 C O HOH 1_555 A MN 901 B MN MN 1_555 A SER 141 A OG SER 15 1_555 81.1 A HOH 62 C O HOH 1_555 A MN 901 B MN MN 1_555 A SER 141 A OG SER 15 1_555 102.1 A SER 139 A OG SER 13 1_555 A MN 901 B MN MN 1_555 A SER 141 A OG SER 15 1_555 83.9 A HOH 26 C O HOH 1_555 A MN 901 B MN MN 1_555 A THR 206 A OG1 THR 80 1_555 100.8 A HOH 62 C O HOH 1_555 A MN 901 B MN MN 1_555 A THR 206 A OG1 THR 80 1_555 88.2 A SER 139 A OG SER 13 1_555 A MN 901 B MN MN 1_555 A THR 206 A OG1 THR 80 1_555 85.7 A SER 141 A OG SER 15 1_555 A MN 901 B MN MN 1_555 A THR 206 A OG1 THR 80 1_555 169.3 A HOH 26 C O HOH 1_555 A MN 901 B MN MN 1_555 A GLU 272 A OE1 GLU 146 5_555 170.3 A HOH 62 C O HOH 1_555 A MN 901 B MN MN 1_555 A GLU 272 A OE1 GLU 146 5_555 92.4 A SER 139 A OG SER 13 1_555 A MN 901 B MN MN 1_555 A GLU 272 A OE1 GLU 146 5_555 86.7 A SER 141 A OG SER 15 1_555 A MN 901 B MN MN 1_555 A GLU 272 A OE1 GLU 146 5_555 91.2 A THR 206 A OG1 THR 80 1_555 A MN 901 B MN MN 1_555 A GLU 272 A OE1 GLU 146 5_555 85.7 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 LYS 178 A O LYS 52 A N GLN 172 A N GLN 46 A O VAL 171 A O VAL 45 A N PHE 134 A N PHE 8 A N ASP 131 A N ASP 5 A O THR 231 A O THR 105 A N ILE 236 A N ILE 110 A O ILE 259 A O ILE 133 A N GLY 260 A N GLY 134 A O CYS 287 A O CYS 161 1 A HOH 2 C HOH 1 A HOH 16 C HOH 1 A MET 127 A MET 1 1 Y 1 A GLU 301 A GLU 175 1 Y 1 A LEU 302 A LEU 176 1 Y 1 A GLN 303 A GLN 177 1 Y 1 A LYS 304 A LYS 178 1 Y 1 A LYS 305 A LYS 179 1 Y 1 A ILE 306 A ILE 180 1 Y 1 A SER 174 -134.49 -100.43 1 A LYS 190 62.20 -23.93 1 A LEU 204 -128.39 -150.06 1 A THR 206 -118.35 76.53 1 A PHE 299 -93.31 56.80 PROTEIN.PARAM PROTEIN.TOP WATER.PARAM WATER.TOP ION.PARAM ION.TOP CARBOHYDRATE.PARAM CARBOHYDRATE.TOP 23.8 2.17 0.00 0.00 2.17 0.00 -4.34 maximum likelihood refinement target 0.265 0.008 0.212 0.25 0.212 2.00 27.88 1060 12760 10318 10.3 80.8 RANDOM 1 OVERALL THROUGHOUT 0 MOLECULAR REPLACEMENT 1MJN Engh & Huber FLAT MODEL 17.8994 0.315868 0.31 0.24 5.0 0.24 0.22 2.00 27.88 90 1498 1 0 1407 0.006 1.3 23.9 1.10 0.289 0.024 0.254 2.13 149 1166 877 6 11.3 64.5 10.2 2.0 50 1MQ9 12800 10569 -3 0.094 0.094 1 12.6 5.4 82 0.381 2.00 2.07 3.5 827 0.381 3.5 67.5 data collection HKL-2000 data scaling SCALEPACK phasing AMoRE refinement CNS 1.0 data reduction HKL-2000 Crystal structure of high affinity alphaL I domain with ligand mimetic crystal contact 1 N N 2 N N 3 N N A GLN 143 A GLN 17 HELX_P A LEU 161 A LEU 35 1 1 19 A ASP 182 A ASP 56 HELX_P A LYS 190 A LYS 64 1 2 9 A ASP 191 A ASP 65 HELX_P A LEU 196 A LEU 70 1 3 6 A ASN 207 A ASN 81 HELX_P A VAL 219 A VAL 93 1 4 13 A ARG 221 A ARG 95 HELX_P A GLY 225 A GLY 99 5 5 5 A ILE 248 A ILE 122 HELX_P A LYS 252 A LYS 126 5 6 5 A GLU 269 A GLU 143 HELX_P A ALA 278 A ALA 152 5 7 10 A PRO 281 A PRO 155 HELX_P A PHE 285 A PHE 159 1 8 5 A PHE 292 A PHE 166 HELX_P A PHE 299 A PHE 173 5 9 8 disulf 2.037 A CYS 287 A SG CYS 161 1_555 A CYS 294 A SG CYS 168 1_555 metalc 2.088 A HOH 26 C O HOH 1_555 A MN 901 B MN MN 1_555 metalc 1.985 A HOH 62 C O HOH 1_555 A MN 901 B MN MN 1_555 metalc 2.226 A SER 139 A OG SER 13 1_555 A MN 901 B MN MN 1_555 metalc 2.197 A SER 141 A OG SER 15 1_555 A MN 901 B MN MN 1_555 metalc 2.328 A THR 206 A OG1 THR 80 1_555 A MN 901 B MN MN 1_555 metalc 2.211 A GLU 272 A OE1 GLU 146 5_555 A MN 901 B MN MN 1_555 IMMUNE SYSTEM Designed disulfide bridge, Rossmann fold, metal mediated protein interface, IMMUNE SYSTEM A LYS 280 A LYS 154 1 A PRO 281 A PRO 155 -0.26 ITAL_HUMAN UNP 1 153 P20701 GNVDLVFLFDGSMSLQPDEFQKILDFMKDVMKKLSNTSYQFAAVQFSTSYKTEFDFSDYVKRKDPDALLKHVKHMLLLTN TFGAINYVATEVFREELGARPDATKVLIIITDGEATDSGNIDAAKDIIRYIIGIGKHFQTKESQETLHKFASKPASEFVK ILDTFEKLKDLFTELQKKI 153 331 1MQ9 128 306 P20701 A 1 2 180 1 cloning artifact MET 127 1MQ9 A P20701 UNP 1 1 LYS engineered mutation CYS 287 1MQ9 A P20701 UNP 312 161 1 LYS engineered mutation CYS 294 1MQ9 A P20701 UNP 319 168 6 anti-parallel parallel parallel parallel parallel A TYR 177 A TYR 51 A PHE 181 A PHE 55 A TYR 166 A TYR 40 A PHE 173 A PHE 47 A VAL 130 A VAL 4 A ASP 137 A ASP 11 A THR 231 A THR 105 A THR 238 A THR 112 A ILE 255 A ILE 129 A GLY 260 A GLY 134 A VAL 286 A VAL 160 A ILE 288 A ILE 162 BINDING SITE FOR RESIDUE MN A 901 A MN 901 Software 6 A HOH 26 C HOH 6 1_555 A HOH 62 C HOH 6 1_555 A SER 139 A SER 13 6 1_555 A SER 141 A SER 15 6 1_555 A THR 206 A THR 80 6 1_555 A GLU 272 A GLU 146 6 5_555 92 tetragonal P 41 21 2