1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Inooka, H. Ohtaki, T. Kitahara, O. Ikegami, T. Endo, S. Kitada, C. Ogi, K. Onda, H. Fujino, M. Shirakawa, M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 1 90.00 90.00 90.00 1.000 1.000 1.000 C3 H7 N O2 89.093 y ALANINE L-peptide linking C6 H15 N4 O2 1 175.209 y ARGININE L-peptide linking C4 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE 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 C6 H13 N O2 131.173 y ISOLEUCINE L-peptide linking C6 H16 N3 O 1 146.211 n 2,6-DIAMINO-HEXANOIC ACID AMIDE 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 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 O 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 N N 58 S C N 59 N C N 60 N O N 61 N C N 62 N C N 63 N C N 64 N O N 65 N N 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 H N 75 N H N 76 N H N 77 N N N 78 N C N 79 N C N 80 N O N 81 N O N 82 N H N 83 N H N 84 N H N 85 N H N 86 N H N 87 N N N 88 S C N 89 N C N 90 N O N 91 N C Y 92 N C Y 93 N N Y 94 N C Y 95 N C Y 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 S C N 113 N C N 114 N C N 115 N C N 116 N O N 117 N H 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 H N 128 N H N 129 N H N 130 N N N 131 S C N 132 N C N 133 N C N 134 N C N 135 N C N 136 N N N 137 N C N 138 N O N 139 N N N 140 N H N 141 N H N 142 N H N 143 N H N 144 N H N 145 N H N 146 N H N 147 N H 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 N N 157 S C N 158 N C N 159 N O N 160 N C N 161 N C N 162 N C N 163 N C N 164 N N N 165 N O N 166 N H N 167 N H N 168 N H N 169 N H 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 N N 182 S C N 183 N C N 184 N O N 185 N C N 186 N C N 187 N S N 188 N C N 189 N O N 190 N H N 191 N H 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 N N 202 S C N 203 N C N 204 N O N 205 N C Y 206 N C Y 207 N C Y 208 N C Y 209 N C Y 210 N C Y 211 N C N 212 N O N 213 N H N 214 N H 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 N N 225 S C N 226 N C N 227 N O N 228 N C N 229 N O N 230 N O N 231 N H N 232 N H N 233 N H N 234 N H N 235 N H N 236 N H N 237 N H N 238 N N N 239 S C N 240 N C N 241 N O N 242 R C N 243 N O N 244 N C N 245 N O N 246 N H N 247 N H N 248 N H N 249 N H N 250 N H N 251 N H N 252 N H N 253 N H N 254 N H N 255 N N N 256 S C N 257 N C N 258 N O N 259 N C Y 260 N C Y 261 N C Y 262 N C Y 263 N C Y 264 N C Y 265 N C N 266 N O N 267 N O N 268 N H N 269 N H N 270 N H N 271 N H N 272 N H N 273 N H N 274 N H N 275 N H N 276 N H N 277 N H N 278 N H N 279 N N N 280 S C N 281 N C N 282 N O N 283 N C N 284 N C N 285 N C N 286 N O N 287 N H N 288 N H N 289 N H N 290 N H N 291 N H N 292 N H N 293 N H N 294 N H N 295 N H N 296 N H N 297 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 doub N 61 N sing N 62 N sing N 63 N sing N 64 N sing N 65 N sing N 66 N sing N 67 N sing N 68 N doub 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 sing N 77 N sing N 78 N sing N 79 N doub 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 doub N 89 N sing N 90 N sing N 91 N sing N 92 N sing Y 93 N sing Y 94 N doub Y 95 N doub N 96 N sing Y 97 N sing N 98 N sing Y 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 sing N 109 N doub 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 sing 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 sing 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 sing N 136 N sing N 137 N sing N 138 N sing N 139 N sing N 140 N sing N 141 N sing N 142 N sing N 143 N sing N 144 N sing N 145 N doub N 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 doub N 156 N sing N 157 N sing N 158 N sing 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 doub N 199 N sing N 200 N sing N 201 N sing N 202 N sing Y 203 N doub Y 204 N sing Y 205 N sing N 206 N sing Y 207 N doub N 208 N sing Y 209 N doub N 210 N sing Y 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 doub N 222 N sing N 223 N sing N 224 N sing 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 doub 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 sing N 244 N sing N 245 N sing N 246 N sing N 247 N sing N 248 N sing N 249 N sing N 250 N doub N 251 N sing N 252 N sing N 253 N sing N 254 N sing Y 255 N doub Y 256 N sing Y 257 N sing N 258 N sing Y 259 N doub N 260 N sing Y 261 N doub N 262 N sing Y 263 N sing N 264 N sing N 265 N sing N 266 N sing 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 doub 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 sing N 284 N sing N 285 N sing US Nat.Struct.Biol. NSBIEW 2024 1072-8368 8 161 165 10.1038/84159 11175907 Conformation of a peptide ligand bound to its G-protein coupled receptor. 2001 10.2210/pdb1gea/pdb pdb_00001gea 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 2522.882 PITUITARY ADENYLATE CYCLASE ACTIVATING POLYPEPTIDE N-TERMINAL DOMAIN(RESIDUE 132-152) 1 syn polymer no yes HSDGIFTDSYSRYRKQMAVK(LYN) HSDGIFTDSYSRYRKQMAVKK A polypeptide(L) n n n n n n n n n n n n n n n n n n n n n database_2 pdbx_struct_assembly pdbx_struct_oper_list struct_conn struct_ref_seq_dif chem_comp_atom chem_comp_bond repository Initial release Version format compliance Version format compliance Database references Derived calculations Data collection 1 0 2001-04-20 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 1 4 2023-12-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details RCSB Y PDBJ 2000-10-20 REL REL This sequence occurs naturally in humans. sample Both TRNOE and NOE cross peaks were observed in the spectrum: the former reflects the conformation of PACAP21 in the receptor-bound form, while the latter reflects that of unbound PACAP21. Upon addition of a higher affinity ligand, PACAP27, the TRNOE cross peaks were selectively eliminated due to a competitive inhibition of the specific binding of PACAP21 to the receptor. Accordingly, the subtraction of these two spectra yields TRNOE-related cross peaks exclusively. structures with the lowest energy 200 25 TRNOESY TRNOESY 0.41 6.3 ambient 298 K The structures are calculated by SA protocol of X-PLOR based on a total of 387 TRNOE-derived distance restraints obtained from the IRMA refinement. Iterative relaxation matrix analysis (IRMA) and simulated annealing (SA) 12 closest to the average 1.7mM PACAP21; 40mM PACAP receptor; 80mM phosphate buffer (pH 6.3) 90% H2O/10% D2O 1.7mM PACAP21; 40mM PACAP receptor; 80mM phosphate buffer (pH 6.3) 99.8% D2O Brunger, A.T. structure solution X-PLOR 3.1 Kaptein, R. iterative matrix relaxation IRMA 30-Jul-90 Brunger, A.T. refinement X-PLOR 3.1 800 Bruker DRX HIS 1 n 1 HIS 1 A SER 2 n 2 SER 2 A ASP 3 n 3 ASP 3 A GLY 4 n 4 GLY 4 A ILE 5 n 5 ILE 5 A PHE 6 n 6 PHE 6 A THR 7 n 7 THR 7 A ASP 8 n 8 ASP 8 A SER 9 n 9 SER 9 A TYR 10 n 10 TYR 10 A SER 11 n 11 SER 11 A ARG 12 n 12 ARG 12 A TYR 13 n 13 TYR 13 A ARG 14 n 14 ARG 14 A LYS 15 n 15 LYS 15 A GLN 16 n 16 GLN 16 A MET 17 n 17 MET 17 A ALA 18 n 18 ALA 18 A VAL 19 n 19 VAL 19 A LYS 20 n 20 LYS 20 A LYN 21 n 21 LYN 21 A author_defined_assembly 1 monomeric A LYN 21 2,6-DIAMINO-HEXANOIC ACID AMIDE A LYN 21 LYS 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 1 A A O H TYR ARG 10 14 1.37 2 A A O H ALA LYN 18 21 1.52 5 A A O H TYR ARG 10 14 1.48 7 A A O H ALA LYN 18 21 1.51 7 A A O H SER TYR 9 13 1.58 8 A A O H TYR ARG 10 14 1.49 9 A A O H ALA LYN 18 21 1.52 9 A A O H SER TYR 9 13 1.57 10 A A O H SER TYR 9 13 1.60 11 A A O H SER TYR 9 13 1.60 13 A A O H SER TYR 9 13 1.60 15 A A O H TYR ARG 10 14 1.40 15 A A O H SER TYR 9 13 1.58 16 A A O H TYR ARG 10 14 1.39 21 A A O H TYR ARG 10 14 1.47 23 A A O H ALA LYN 18 21 1.57 24 A A OG1 H THR ASP 7 8 1.60 1 A ARG 12 0.275 SIDE CHAIN 1 A ARG 14 0.259 SIDE CHAIN 2 A ARG 12 0.193 SIDE CHAIN 2 A ARG 14 0.194 SIDE CHAIN 3 A ARG 12 0.257 SIDE CHAIN 3 A ARG 14 0.202 SIDE CHAIN 4 A ARG 12 0.237 SIDE CHAIN 4 A ARG 14 0.225 SIDE CHAIN 5 A ARG 12 0.207 SIDE CHAIN 5 A ARG 14 0.267 SIDE CHAIN 6 A ARG 12 0.251 SIDE CHAIN 6 A ARG 14 0.279 SIDE CHAIN 7 A ARG 12 0.311 SIDE CHAIN 7 A ARG 14 0.264 SIDE CHAIN 8 A ARG 12 0.255 SIDE CHAIN 8 A ARG 14 0.167 SIDE CHAIN 9 A ARG 12 0.279 SIDE CHAIN 9 A ARG 14 0.226 SIDE CHAIN 10 A ARG 12 0.283 SIDE CHAIN 10 A ARG 14 0.215 SIDE CHAIN 11 A ARG 12 0.198 SIDE CHAIN 11 A ARG 14 0.147 SIDE CHAIN 12 A ARG 12 0.278 SIDE CHAIN 12 A ARG 14 0.220 SIDE CHAIN 13 A ARG 12 0.194 SIDE CHAIN 13 A ARG 14 0.218 SIDE CHAIN 14 A ARG 12 0.251 SIDE CHAIN 14 A ARG 14 0.240 SIDE CHAIN 15 A ARG 12 0.268 SIDE CHAIN 15 A ARG 14 0.224 SIDE CHAIN 16 A ARG 12 0.300 SIDE CHAIN 16 A ARG 14 0.137 SIDE CHAIN 17 A ARG 12 0.187 SIDE CHAIN 17 A ARG 14 0.271 SIDE CHAIN 18 A ARG 12 0.308 SIDE CHAIN 18 A ARG 14 0.243 SIDE CHAIN 19 A ARG 12 0.273 SIDE CHAIN 19 A ARG 14 0.256 SIDE CHAIN 20 A ARG 12 0.204 SIDE CHAIN 20 A ARG 14 0.221 SIDE CHAIN 21 A ARG 12 0.296 SIDE CHAIN 21 A ARG 14 0.272 SIDE CHAIN 22 A ARG 12 0.312 SIDE CHAIN 22 A ARG 14 0.293 SIDE CHAIN 23 A ARG 12 0.237 SIDE CHAIN 23 A ARG 14 0.127 SIDE CHAIN 24 A ARG 12 0.203 SIDE CHAIN 24 A ARG 14 0.260 SIDE CHAIN 25 A ARG 12 0.211 SIDE CHAIN 25 A ARG 14 0.238 SIDE CHAIN 1 A ASP 3 -168.79 70.76 1 A ILE 5 -39.51 -28.25 1 A PHE 6 -107.77 76.70 1 A THR 7 -177.37 -144.08 1 A MET 17 -49.02 -77.50 2 A ASP 3 -158.84 67.62 2 A ILE 5 -39.55 -27.81 2 A PHE 6 -107.10 75.81 2 A THR 7 -178.79 -144.49 2 A ARG 14 -101.59 -71.62 2 A MET 17 -44.29 -74.62 3 A ASP 3 -166.70 70.21 3 A ILE 5 -38.70 -28.37 3 A PHE 6 -107.74 76.20 3 A THR 7 -178.54 -143.29 3 A ARG 14 -102.13 -72.86 3 A MET 17 -45.56 -76.82 3 A LYS 20 -77.00 -155.41 4 A SER 2 58.69 154.12 4 A ASP 3 178.52 75.90 4 A ILE 5 -38.52 -28.02 4 A PHE 6 -108.56 76.14 4 A THR 7 -177.61 -141.16 4 A ASP 8 -99.42 -60.84 4 A ARG 14 -108.58 -72.19 4 A MET 17 -43.26 -73.36 4 A LYS 20 -83.41 47.74 5 A ASP 3 -167.03 70.96 5 A ILE 5 -37.31 -29.91 5 A PHE 6 -107.59 76.23 5 A THR 7 -178.51 -142.26 5 A MET 17 -45.79 -76.77 5 A LYS 20 -68.91 -160.34 6 A ILE 5 -36.92 -30.91 6 A PHE 6 -109.06 75.01 6 A THR 7 -173.98 -141.66 6 A ARG 14 -94.47 -70.01 6 A MET 17 -43.82 -73.52 6 A LYS 20 -86.50 45.50 7 A ASP 3 -171.25 72.82 7 A ILE 5 -39.05 -27.92 7 A PHE 6 -109.12 77.31 7 A THR 7 -177.50 -143.43 7 A ARG 14 -110.24 -75.47 7 A MET 17 -41.94 -71.99 8 A SER 2 57.32 158.96 8 A ASP 3 -177.35 74.22 8 A ILE 5 -38.92 -28.06 8 A PHE 6 -107.12 76.38 8 A THR 7 -179.01 -145.20 8 A MET 17 -41.62 -71.87 9 A ASP 3 -175.67 73.81 9 A ILE 5 -36.99 -30.08 9 A PHE 6 -107.66 75.71 9 A THR 7 -176.43 -141.09 9 A ASP 8 -100.10 -60.69 9 A ARG 14 -106.06 -73.25 10 A SER 2 -175.16 26.40 10 A ILE 5 -39.50 -28.70 10 A PHE 6 -108.68 76.65 10 A THR 7 -179.06 -141.75 10 A ARG 14 -92.28 -71.81 10 A MET 17 -44.42 -75.71 10 A LYS 20 -76.89 -164.30 11 A ASP 3 -175.15 73.65 11 A ILE 5 -38.41 -28.39 11 A PHE 6 -109.09 76.43 11 A THR 7 -177.71 -140.91 11 A ASP 8 -100.12 -60.25 11 A ARG 14 -92.59 -71.41 11 A MET 17 -43.95 -73.89 11 A LYS 20 -82.78 48.30 12 A ASP 3 -174.95 73.76 12 A ILE 5 -38.42 -28.28 12 A PHE 6 -109.09 76.31 12 A THR 7 -177.56 -140.27 12 A ASP 8 -100.45 -60.78 12 A ARG 14 -95.85 -70.71 12 A MET 17 -44.41 -75.08 12 A LYS 20 -80.99 48.32 13 A ASP 3 -167.25 70.42 13 A ILE 5 -38.74 -28.31 13 A PHE 6 -107.71 76.12 13 A THR 7 -178.63 -143.66 13 A ARG 14 -103.22 -73.27 13 A MET 17 -44.63 -75.26 13 A LYS 20 -80.88 49.49 14 A ASP 3 -175.58 73.81 14 A ILE 5 -38.38 -28.45 14 A PHE 6 -108.97 76.39 14 A THR 7 -177.53 -141.11 14 A ARG 14 -109.56 -75.02 14 A LYS 20 -70.22 -162.00 15 A SER 2 58.60 154.02 15 A ASP 3 178.29 76.06 15 A ILE 5 -38.14 -28.21 15 A PHE 6 -108.23 76.64 15 A THR 7 -179.37 -143.32 15 A ARG 14 -51.84 -72.40 15 A MET 17 -42.54 -72.49 15 A LYS 20 -84.12 -152.59 16 A ASP 3 -160.41 68.25 16 A PHE 6 -107.25 77.25 16 A THR 7 -177.52 -144.74 16 A MET 17 -43.70 -72.96 16 A LYS 20 -77.46 -158.08 17 A SER 2 -174.93 30.12 17 A ILE 5 -36.88 -30.82 17 A PHE 6 -108.67 75.34 17 A THR 7 -175.82 -142.11 17 A ARG 14 -99.20 -72.22 17 A MET 17 -45.59 -75.73 17 A LYS 20 -81.46 49.01 18 A SER 2 60.64 67.18 18 A ILE 5 -38.16 -29.90 18 A PHE 6 -109.37 76.30 18 A THR 7 -177.63 -140.17 18 A ASP 8 -100.77 -60.10 18 A ARG 14 -95.37 -70.66 18 A MET 17 -44.14 -75.18 19 A ILE 5 -36.97 -31.15 19 A PHE 6 -109.42 75.14 19 A THR 7 -174.00 -141.17 19 A ARG 14 -116.60 -76.51 19 A MET 17 -42.34 -70.92 20 A SER 2 -178.23 31.40 20 A ILE 5 -36.77 -31.07 20 A PHE 6 -109.16 75.02 20 A THR 7 -174.05 -141.50 20 A ARG 14 -96.11 -68.24 20 A MET 17 -42.83 -72.97 20 A LYS 20 -81.42 49.37 21 A SER 2 57.17 159.52 21 A ASP 3 -176.90 74.15 21 A ILE 5 -39.37 -27.65 21 A PHE 6 -107.65 77.14 21 A THR 7 -178.96 -144.58 21 A MET 17 -46.97 -76.51 21 A LYS 20 -79.71 49.48 22 A ILE 5 -35.70 -32.94 22 A PHE 6 -107.74 75.07 22 A THR 7 -175.68 -143.43 22 A MET 17 -43.78 -73.17 23 A SER 2 58.68 154.04 23 A ASP 3 178.31 75.91 23 A ILE 5 -38.74 -28.08 23 A PHE 6 -108.71 76.20 23 A THR 7 -177.14 -141.31 23 A ARG 14 -94.10 -68.76 23 A MET 17 -41.78 -70.66 24 A SER 2 60.30 166.53 24 A ASP 3 -177.36 74.36 24 A PHE 6 -108.27 78.87 24 A THR 7 -179.04 -144.62 24 A MET 17 -44.73 -75.85 25 A ASP 3 -174.81 73.58 25 A ILE 5 -38.42 -28.46 25 A PHE 6 -109.06 76.12 25 A THR 7 -177.09 -140.05 25 A ASP 8 -100.35 -61.26 25 A ARG 14 -93.15 -68.17 RECEPTOR-BOUND CONFORMATION OF PACAP21 1 N N A ASP 8 A ASP 8 HELX_P A LYS 20 A LYS 20 1 1 13 covale 1.308 both A LYS 20 A C LYS 20 1_555 A LYN 21 A N LYN 21 1_555 NEUROPEPTIDE BETA COIL, CONSECUTIVE BETA TURNS, TYPE-II BETA TURN, TYPE-I BETA TURN, HELIX, NEUROPEPTIDE PACA_HUMAN UNP 1 132 P18509 132 152 1GEA 1 21 P18509 A 1 1 21 1 LYS modified residue LYN 21 1GEA A P18509 UNP 152 21 1 P 1