0.012091 0.006981 0.000000 0.000000 0.013962 0.000000 0.000000 0.000000 0.013783 0.00000 0.00000 0.00000 Rekas, A. Alattia, J.R. Nagai, T. Miyawaki, A. Ikura, M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 6 90.00 90.00 120.00 82.704 82.704 72.555 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 C13 H13 N3 O4 275.260 n {(4Z)-2-(aminomethyl)-4-[(4-hydroxyphenyl)methylidene]-5-oxo-4,5-dihydro-1H-imidazol-1-yl}acetic acid CHROMOPHORE (GLY-TYR-GLY) L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE L-peptide linking C5 H9 N O4 147.129 y GLUTAMIC ACID L-peptide linking C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking H2 O 18.015 WATER non-polymer C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H13 N O2 131.173 y LEUCINE L-peptide linking C6 H15 N2 O2 1 147.195 y LYSINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE L-peptide linking C9 H11 N O2 165.189 y PHENYLALANINE L-peptide linking C5 H9 N O2 115.130 y PROLINE L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C4 H9 N O3 119.119 y THREONINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN L-peptide linking C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US J.Biol.Chem. JBCHA3 0071 0021-9258 277 50573 50578 10.1074/jbc.M209524200 12370172 Crystal Structure of Venus, a Yellow Fluorescent Protein with Improved Maturation and Reduced Environmental Sensitivity 2002 10.2210/pdb1myw/pdb pdb_00001myw 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 IMAGE PLATE 2001-11-28 MARRESEARCH SINGLE WAVELENGTH M x-ray 1 1.5418 1.0 1.5418 ROTATING ANODE RIGAKU RU200 SEYFP-F46L variant 26875.287 Green fluorescent protein residues 2-230 F46L, F64L, S65G, V68L, S72A, M153T, V163A, S175G, T203Y 1 man polymer 18.015 water 72 nat water no yes MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKLICTTGKLPVPWPTLVTTL(CR2)LQCFARYPDH MKQHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYITADKQ KNGIKANFKIRHNIEDGGVQLADHYQQNTPIGDGPVLLPDNHYLSYQSALSKDPNEKRDHMVLLEFVTAAGITHGMDELY K MVSKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKLICTTGKLPVPWPTLVTTLGYGLQCFARYPDHMK QHDFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYITADKQKN GIKANFKIRHNIEDGGVQLADHYQQNTPIGDGPVLLPDNHYLSYQSALSKDPNEKRDHMVLLEFVTAAGITHGMDELYK 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 Aequorea Escherichia Escherichia coli sample 6100 Aequorea victoria 469008 Escherichia coli BL21(DE3) BL21(DE3) plasmid PRSET_B 1 2.65 53.67 VAPOR DIFFUSION, HANGING DROP 8.4 Tris, ammonium sulfate, PEG400, pH 8.4, VAPOR DIFFUSION, HANGING DROP, temperature 298K 298 database_2 struct_conn struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Database references Derived calculations 1 0 2003-01-14 1 1 2008-04-28 1 2 2011-07-13 1 3 2021-10-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details SEQUENCE RESIDUES GLY65, TYR66, AND GLY67 ARE NOT PRESENT IN THE ENTRY. INSTEAD THEY ARE REPLACED WITH CR266. RCSB Y RCSB 2002-10-04 REL HOH water HOH 302 2 HOH HOH 302 A HOH 303 2 HOH HOH 303 A HOH 304 2 HOH HOH 304 A HOH 305 2 HOH HOH 305 A HOH 306 2 HOH HOH 306 A HOH 307 2 HOH HOH 307 A HOH 308 2 HOH HOH 308 A HOH 309 2 HOH HOH 309 A HOH 310 2 HOH HOH 310 A HOH 311 2 HOH HOH 311 A HOH 312 2 HOH HOH 312 A HOH 313 2 HOH HOH 313 A HOH 314 2 HOH HOH 314 A HOH 315 2 HOH HOH 315 A HOH 316 2 HOH HOH 316 A HOH 317 2 HOH HOH 317 A HOH 318 2 HOH HOH 318 A HOH 319 2 HOH HOH 319 A HOH 320 2 HOH HOH 320 A HOH 321 2 HOH HOH 321 A HOH 322 2 HOH HOH 322 A HOH 323 2 HOH HOH 323 A HOH 324 2 HOH HOH 324 A HOH 325 2 HOH HOH 325 A HOH 326 2 HOH HOH 326 A HOH 327 2 HOH HOH 327 A HOH 328 2 HOH HOH 328 A HOH 329 2 HOH HOH 329 A HOH 330 2 HOH HOH 330 A HOH 331 2 HOH HOH 331 A HOH 332 2 HOH HOH 332 A HOH 333 2 HOH HOH 333 A HOH 334 2 HOH HOH 334 A HOH 335 2 HOH HOH 335 A HOH 336 2 HOH HOH 336 A HOH 337 2 HOH HOH 337 A HOH 338 2 HOH HOH 338 A HOH 339 2 HOH HOH 339 A HOH 340 2 HOH HOH 340 A HOH 341 2 HOH HOH 341 A HOH 342 2 HOH HOH 342 A HOH 343 2 HOH HOH 343 A HOH 344 2 HOH HOH 344 A HOH 345 2 HOH HOH 345 A HOH 346 2 HOH HOH 346 A HOH 347 2 HOH HOH 347 A HOH 348 2 HOH HOH 348 A HOH 349 2 HOH HOH 349 A HOH 350 2 HOH HOH 350 A HOH 351 2 HOH HOH 351 A HOH 352 2 HOH HOH 352 A HOH 353 2 HOH HOH 353 A HOH 354 2 HOH HOH 354 A HOH 355 2 HOH HOH 355 A HOH 356 2 HOH HOH 356 A HOH 357 2 HOH HOH 357 A HOH 358 2 HOH HOH 358 A HOH 359 2 HOH HOH 359 A HOH 360 2 HOH HOH 360 A HOH 361 2 HOH HOH 361 A HOH 362 2 HOH HOH 362 A HOH 363 2 HOH HOH 363 A HOH 364 2 HOH HOH 364 A HOH 365 2 HOH HOH 365 A HOH 366 2 HOH HOH 366 A HOH 367 2 HOH HOH 367 A HOH 368 2 HOH HOH 368 A HOH 369 2 HOH HOH 369 A HOH 370 2 HOH HOH 370 A HOH 371 2 HOH HOH 371 A HOH 372 2 HOH HOH 372 A HOH 373 2 HOH HOH 373 A MET 0 n 1 MET 0 A VAL 1 n 2 VAL 1 A SER 2 n 3 SER 2 A LYS 3 n 4 LYS 3 A GLY 4 n 5 GLY 4 A GLU 5 n 6 GLU 5 A GLU 6 n 7 GLU 6 A LEU 7 n 8 LEU 7 A PHE 8 n 9 PHE 8 A THR 9 n 10 THR 9 A GLY 10 n 11 GLY 10 A VAL 11 n 12 VAL 11 A VAL 12 n 13 VAL 12 A PRO 13 n 14 PRO 13 A ILE 14 n 15 ILE 14 A LEU 15 n 16 LEU 15 A VAL 16 n 17 VAL 16 A GLU 17 n 18 GLU 17 A LEU 18 n 19 LEU 18 A ASP 19 n 20 ASP 19 A GLY 20 n 21 GLY 20 A ASP 21 n 22 ASP 21 A VAL 22 n 23 VAL 22 A ASN 23 n 24 ASN 23 A GLY 24 n 25 GLY 24 A HIS 25 n 26 HIS 25 A LYS 26 n 27 LYS 26 A PHE 27 n 28 PHE 27 A SER 28 n 29 SER 28 A VAL 29 n 30 VAL 29 A SER 30 n 31 SER 30 A GLY 31 n 32 GLY 31 A GLU 32 n 33 GLU 32 A GLY 33 n 34 GLY 33 A GLU 34 n 35 GLU 34 A GLY 35 n 36 GLY 35 A ASP 36 n 37 ASP 36 A ALA 37 n 38 ALA 37 A THR 38 n 39 THR 38 A TYR 39 n 40 TYR 39 A GLY 40 n 41 GLY 40 A LYS 41 n 42 LYS 41 A LEU 42 n 43 LEU 42 A THR 43 n 44 THR 43 A LEU 44 n 45 LEU 44 A LYS 45 n 46 LYS 45 A LEU 46 n 47 LEU 46 A ILE 47 n 48 ILE 47 A CYS 48 n 49 CYS 48 A THR 49 n 50 THR 49 A THR 50 n 51 THR 50 A GLY 51 n 52 GLY 51 A LYS 52 n 53 LYS 52 A LEU 53 n 54 LEU 53 A PRO 54 n 55 PRO 54 A VAL 55 n 56 VAL 55 A PRO 56 n 57 PRO 56 A TRP 57 n 58 TRP 57 A PRO 58 n 59 PRO 58 A THR 59 n 60 THR 59 A LEU 60 n 61 LEU 60 A VAL 61 n 62 VAL 61 A THR 62 n 63 THR 62 A THR 63 n 64 THR 63 A LEU 64 n 65 LEU 64 A CRO 65 n 66 CR2 65 A LEU 68 n 67 LEU 68 A GLN 69 n 68 GLN 69 A CYS 70 n 69 CYS 70 A PHE 71 n 70 PHE 71 A ALA 72 n 71 ALA 72 A ARG 73 n 72 ARG 73 A TYR 74 n 73 TYR 74 A PRO 75 n 74 PRO 75 A ASP 76 n 75 ASP 76 A HIS 77 n 76 HIS 77 A MET 78 n 77 MET 78 A LYS 79 n 78 LYS 79 A GLN 80 n 79 GLN 80 A HIS 81 n 80 HIS 81 A ASP 82 n 81 ASP 82 A PHE 83 n 82 PHE 83 A PHE 84 n 83 PHE 84 A LYS 85 n 84 LYS 85 A SER 86 n 85 SER 86 A ALA 87 n 86 ALA 87 A MET 88 n 87 MET 88 A PRO 89 n 88 PRO 89 A GLU 90 n 89 GLU 90 A GLY 91 n 90 GLY 91 A TYR 92 n 91 TYR 92 A VAL 93 n 92 VAL 93 A GLN 94 n 93 GLN 94 A GLU 95 n 94 GLU 95 A ARG 96 n 95 ARG 96 A THR 97 n 96 THR 97 A ILE 98 n 97 ILE 98 A PHE 99 n 98 PHE 99 A PHE 100 n 99 PHE 100 A LYS 101 n 100 LYS 101 A ASP 102 n 101 ASP 102 A ASP 103 n 102 ASP 103 A GLY 104 n 103 GLY 104 A ASN 105 n 104 ASN 105 A TYR 106 n 105 TYR 106 A LYS 107 n 106 LYS 107 A THR 108 n 107 THR 108 A ARG 109 n 108 ARG 109 A ALA 110 n 109 ALA 110 A GLU 111 n 110 GLU 111 A VAL 112 n 111 VAL 112 A LYS 113 n 112 LYS 113 A PHE 114 n 113 PHE 114 A GLU 115 n 114 GLU 115 A GLY 116 n 115 GLY 116 A ASP 117 n 116 ASP 117 A THR 118 n 117 THR 118 A LEU 119 n 118 LEU 119 A VAL 120 n 119 VAL 120 A ASN 121 n 120 ASN 121 A ARG 122 n 121 ARG 122 A ILE 123 n 122 ILE 123 A GLU 124 n 123 GLU 124 A LEU 125 n 124 LEU 125 A LYS 126 n 125 LYS 126 A GLY 127 n 126 GLY 127 A ILE 128 n 127 ILE 128 A ASP 129 n 128 ASP 129 A PHE 130 n 129 PHE 130 A LYS 131 n 130 LYS 131 A GLU 132 n 131 GLU 132 A ASP 133 n 132 ASP 133 A GLY 134 n 133 GLY 134 A ASN 135 n 134 ASN 135 A ILE 136 n 135 ILE 136 A LEU 137 n 136 LEU 137 A GLY 138 n 137 GLY 138 A HIS 139 n 138 HIS 139 A LYS 140 n 139 LYS 140 A LEU 141 n 140 LEU 141 A GLU 142 n 141 GLU 142 A TYR 143 n 142 TYR 143 A ASN 144 n 143 ASN 144 A TYR 145 n 144 TYR 145 A ASN 146 n 145 ASN 146 A SER 147 n 146 SER 147 A HIS 148 n 147 HIS 148 A ASN 149 n 148 ASN 149 A VAL 150 n 149 VAL 150 A TYR 151 n 150 TYR 151 A ILE 152 n 151 ILE 152 A THR 153 n 152 THR 153 A ALA 154 n 153 ALA 154 A ASP 155 n 154 ASP 155 A LYS 156 n 155 LYS 156 A GLN 157 n 156 GLN 157 A LYS 158 n 157 LYS 158 A ASN 159 n 158 ASN 159 A GLY 160 n 159 GLY 160 A ILE 161 n 160 ILE 161 A LYS 162 n 161 LYS 162 A ALA 163 n 162 ALA 163 A ASN 164 n 163 ASN 164 A PHE 165 n 164 PHE 165 A LYS 166 n 165 LYS 166 A ILE 167 n 166 ILE 167 A ARG 168 n 167 ARG 168 A HIS 169 n 168 HIS 169 A ASN 170 n 169 ASN 170 A ILE 171 n 170 ILE 171 A GLU 172 n 171 GLU 172 A ASP 173 n 172 ASP 173 A GLY 174 n 173 GLY 174 A GLY 175 n 174 GLY 175 A VAL 176 n 175 VAL 176 A GLN 177 n 176 GLN 177 A LEU 178 n 177 LEU 178 A ALA 179 n 178 ALA 179 A ASP 180 n 179 ASP 180 A HIS 181 n 180 HIS 181 A TYR 182 n 181 TYR 182 A GLN 183 n 182 GLN 183 A GLN 184 n 183 GLN 184 A ASN 185 n 184 ASN 185 A THR 186 n 185 THR 186 A PRO 187 n 186 PRO 187 A ILE 188 n 187 ILE 188 A GLY 189 n 188 GLY 189 A ASP 190 n 189 ASP 190 A GLY 191 n 190 GLY 191 A PRO 192 n 191 PRO 192 A VAL 193 n 192 VAL 193 A LEU 194 n 193 LEU 194 A LEU 195 n 194 LEU 195 A PRO 196 n 195 PRO 196 A ASP 197 n 196 ASP 197 A ASN 198 n 197 ASN 198 A HIS 199 n 198 HIS 199 A TYR 200 n 199 TYR 200 A LEU 201 n 200 LEU 201 A SER 202 n 201 SER 202 A TYR 203 n 202 TYR 203 A GLN 204 n 203 GLN 204 A SER 205 n 204 SER 205 A ALA 206 n 205 ALA 206 A LEU 207 n 206 LEU 207 A SER 208 n 207 SER 208 A LYS 209 n 208 LYS 209 A ASP 210 n 209 ASP 210 A PRO 211 n 210 PRO 211 A ASN 212 n 211 ASN 212 A GLU 213 n 212 GLU 213 A LYS 214 n 213 LYS 214 A ARG 215 n 214 ARG 215 A ASP 216 n 215 ASP 216 A HIS 217 n 216 HIS 217 A MET 218 n 217 MET 218 A VAL 219 n 218 VAL 219 A LEU 220 n 219 LEU 220 A LEU 221 n 220 LEU 221 A GLU 222 n 221 GLU 222 A PHE 223 n 222 PHE 223 A VAL 224 n 223 VAL 224 A THR 225 n 224 THR 225 A ALA 226 n 225 ALA 226 A ALA 227 n 226 ALA 227 A GLY 228 n 227 GLY 228 A ILE 229 n 228 ILE 229 A THR 230 n 229 THR 230 A n 230 231 A n 231 232 A n 232 233 A n 233 234 A n 234 235 A n 235 236 A n 236 237 A n 237 238 A author_defined_assembly 2 dimeric A CR2 65 A CR2 66 GLY A CR2 65 A CR2 66 TYR A CR2 65 A CR2 66 GLY 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 0.5000000000 -0.8660254038 0.0000000000 -0.8660254038 -0.5000000000 0.0000000000 0.0000000000 0.0000000000 -1.0000000000 4_774 -y+2,-x+2,-z-1/3 crystal symmetry operation 82.7040000000 143.2475299892 -24.1850000000 A N VAL 12 A N VAL 13 A O GLY 35 A O GLY 36 A N ASP 36 A N ASP 37 A O LYS 41 A O LYS 42 A N LEU 46 A N LEU 47 A O MET 218 A O MET 217 A O THR 225 A O THR 224 A N SER 202 A N SER 201 A O HIS 199 A O HIS 198 A N ILE 152 A N ILE 151 A N THR 153 A N THR 152 A O LYS 162 A O LYS 161 A N PHE 165 A N PHE 164 A O HIS 181 A O HIS 180 A O THR 186 A O THR 185 A N VAL 93 A N VAL 92 A N ILE 98 A N ILE 97 A O TYR 106 A O TYR 105 A N LYS 113 A N LYS 112 A O VAL 120 A O VAL 119 A O ILE 123 A O ILE 122 A N GLU 17 A N GLU 18 1 A N MET 0 A N MET 1 0 Y 1 A N LYS 3 A N LYS 4 0 Y 1 A HIS 231 A HIS 230 1 Y 1 A GLY 232 A GLY 231 1 Y 1 A MET 233 A MET 232 1 Y 1 A ASP 234 A ASP 233 1 Y 1 A GLU 235 A GLU 234 1 Y 1 A LEU 236 A LEU 235 1 Y 1 A TYR 237 A TYR 236 1 Y 1 A LYS 238 A LYS 237 1 Y 1 A ILE 136 -84.90 -70.47 PROTEIN_REP.PARAM PROTEIN.TOP CRO_YFP.PARAM CRO_YFP.TOP WATER_REP.PARAM 29.4 0.77 3.30 0.00 0.77 0.00 -1.54 0.248 0.009 0.218 0.218 2.20 23.88 714 14233 5.0 97.8 RANDOM 1 RESTRAINED THROUGHOUT 0.0 MOLECULAR REPLACEMENT 1YFP FLAT MODEL 52.5482 0.412254 0.31 0.13 2.20 23.88 72 1897 0 0 1825 0.006 1.4 26.2 0.71 1.25 1.50 1.87 2.00 2.08 2.00 3.04 2.50 0.272 0.024 0.228 2.28 128 2135 6 5.7 94.5 21.0 2.2 23.88 1MYW 14560 14560 0.076 1 9.2 8.34 97.7 0.317 2.2 2.34 94.5 data reduction DENZO refinement CNS data scaling SCALEPACK phasing CNS CRYSTAL STRUCTURE OF A YELLOW FLUORESCENT PROTEIN WITH IMPROVED MATURATION AND REDUCED ENVIRONMENTAL SENSITIVITY 1 N N 2 N N A MET 0 A MET 1 HELX_P A PHE 8 A PHE 9 1 1 9 A ALA 37 A ALA 38 HELX_P A TYR 39 A TYR 40 5 2 3 A PRO 56 A PRO 57 HELX_P A VAL 61 A VAL 62 5 3 6 A LEU 68 A LEU 67 HELX_P A ALA 72 A ALA 71 5 4 5 A PRO 75 A PRO 74 HELX_P A HIS 81 A HIS 80 5 5 7 A ASP 82 A ASP 81 HELX_P A ALA 87 A ALA 86 1 6 6 A LYS 156 A LYS 155 HELX_P A ASN 159 A ASN 158 5 7 4 covale 1.325 both A LEU 64 A C LEU 65 1_555 A CR2 65 A N1 CR2 66 1_555 covale 1.332 both A CR2 65 A C3 CR2 66 1_555 A LEU 68 A N LEU 67 1_555 LUMINESCENT PROTEIN BIOLUMINESCENCE, PHOTOACTIVE PROTEIN, GREEN FLUORESCENT PROTEIN, YELLOW-EMISSION VARIANT, IMPROVED MATURATION, BETA-BARREL, CHROMOPHORE, LUMINESCENT PROTEIN A MET 88 A MET 87 1 A PRO 89 A PRO 88 -0.07 GFP_AEQVI UNP 1 2 P42212 SKGEELFTGVVPILVELDGDVNGHKFSVSGEGEGDATYGKLTLKFICTTGKLPVPWPTLVTTFSYGVQCFSRYPDHMKQH DFFKSAMPEGYVQERTIFFKDDGNYKTRAEVKFEGDTLVNRIELKGIDFKEDGNILGHKLEYNYNSHNVYIMADKQKNGI KVNFKIRHNIEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQSALSKDPNEKRDHMVLLEFVTAAGITHGMDELYK 2 238 1MYW 2 238 P42212 A 1 3 237 1 cloning artifact MET 0 1MYW A P42212 UNP 1 1 cloning artifact VAL 1 1MYW A P42212 UNP 2 1 PHE engineered mutation LEU 46 1MYW A P42212 UNP 46 47 1 PHE engineered mutation LEU 64 1MYW A P42212 UNP 64 65 1 SER chromophore CR2 65 1MYW A P42212 UNP 65 66 1 TYR chromophore CR2 65 1MYW A P42212 UNP 66 66 1 GLY chromophore CR2 65 1MYW A P42212 UNP 67 66 1 VAL engineered mutation LEU 68 1MYW A P42212 UNP 68 67 1 SER engineered mutation ALA 72 1MYW A P42212 UNP 72 71 1 MET engineered mutation THR 153 1MYW A P42212 UNP 153 152 1 VAL engineered mutation ALA 163 1MYW A P42212 UNP 163 162 1 SER engineered mutation GLY 175 1MYW A P42212 UNP 175 174 1 THR engineered mutation TYR 203 1MYW A P42212 UNP 203 202 12 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel parallel A VAL 12 A VAL 13 A VAL 22 A VAL 23 A HIS 25 A HIS 26 A ASP 36 A ASP 37 A LYS 41 A LYS 42 A CYS 48 A CYS 49 A HIS 217 A HIS 216 A ALA 227 A ALA 226 A HIS 199 A HIS 198 A SER 208 A SER 207 A HIS 148 A HIS 147 A ASP 155 A ASP 154 A GLY 160 A GLY 159 A ASN 170 A ASN 169 A VAL 176 A VAL 175 A PRO 187 A PRO 186 A TYR 92 A TYR 91 A PHE 100 A PHE 99 A ASN 105 A ASN 104 A GLU 115 A GLU 114 A THR 118 A THR 117 A ILE 128 A ILE 127 A VAL 12 A VAL 13 A VAL 22 A VAL 23 151 P 31 1 2