1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Keizer, D.W. West, P.J. Lee, E.F. Olivera, B.M. Bulaj, G. Yoshikami, D. Norton, R.S. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 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 C2 H5 N O2 75.067 y GLYCINE peptide linking C6 H10 N3 O2 1 156.162 y HISTIDINE L-peptide linking C5 H7 N O3 129.114 n PYROGLUTAMIC ACID L-peptide linking C3 H7 N O3 105.093 y SERINE L-peptide linking C11 H12 N2 O2 204.225 y TRYPTOPHAN 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 C N 7 N C N 8 N N N 9 N C N 10 N N N 11 N N N 12 N O N 13 N H N 14 N H N 15 N H N 16 N H N 17 N H N 18 N H N 19 N H N 20 N H N 21 N H N 22 N H N 23 N H N 24 N H N 25 N H N 26 N H N 27 N H N 28 N N N 29 S C N 30 N C N 31 N O N 32 N C N 33 N C N 34 N O N 35 N N N 36 N O N 37 N H N 38 N H N 39 N H N 40 N H N 41 N H N 42 N H N 43 N H N 44 N H N 45 N N N 46 S C N 47 N C N 48 N O N 49 N C N 50 N C N 51 N O N 52 N O N 53 N O N 54 N H N 55 N H N 56 N H N 57 N H N 58 N H N 59 N H N 60 N H N 61 N N N 62 R C N 63 N C N 64 N O N 65 N C N 66 N S N 67 N O 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 N N 76 N C N 77 N C N 78 N O N 79 N O N 80 N H N 81 N H N 82 N H N 83 N H N 84 N H N 85 N N N 86 S C N 87 N C N 88 N O N 89 N C Y 90 N C Y 91 N N Y 92 N C Y 93 N C Y 94 N N N 95 N O N 96 N H N 97 N H 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 N N 107 S C N 108 N C N 109 N C N 110 N C N 111 N O N 112 N C N 113 N O N 114 N O N 115 N H N 116 N H N 117 N H N 118 N H N 119 N H N 120 N H N 121 N H N 122 N N N 123 S C N 124 N C N 125 N O N 126 N C N 127 N O N 128 N O N 129 N H N 130 N H N 131 N H N 132 N H N 133 N H N 134 N H N 135 N H N 136 N N N 137 S C N 138 N C N 139 N O N 140 N C Y 141 N C Y 142 N C Y 143 N C Y 144 N N Y 145 N C Y 146 N C Y 147 N C Y 148 N C Y 149 N C N 150 N O N 151 N H N 152 N H N 153 N H N 154 N H N 155 N H N 156 N H N 157 N H N 158 N H N 159 N H N 160 N H N 161 N H N 162 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 sing N 20 N sing N 21 N doub 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 doub 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 sing N 46 N sing N 47 N sing N 48 N sing N 49 N doub N 50 N sing N 51 N sing N 52 N sing N 53 N sing N 54 N doub N 55 N sing N 56 N sing N 57 N sing N 58 N sing N 59 N sing N 60 N sing N 61 N sing N 62 N sing N 63 N sing N 64 N doub N 65 N sing N 66 N sing N 67 N sing N 68 N sing 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 doub N 78 N sing N 79 N sing 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 doub N 87 N sing N 88 N sing N 89 N sing N 90 N sing Y 91 N sing Y 92 N doub Y 93 N doub N 94 N sing Y 95 N sing N 96 N sing Y 97 N sing N 98 N sing N 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 sing N 110 N sing N 111 N sing N 112 N sing N 113 N doub N 114 N doub 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 doub 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 doub N 137 N sing N 138 N sing N 139 N sing N 140 N sing Y 141 N doub Y 142 N sing Y 143 N sing N 144 N sing Y 145 N doub Y 146 N sing Y 147 N sing N 148 N sing Y 149 N sing Y 150 N doub N 151 N sing Y 152 N doub N 153 N sing Y 154 N sing N 155 N sing N 156 N sing N 157 N sing US J.Biol.Chem. JBCHA3 0071 0021-9258 278 46805 46813 10.1074/jbc.M309222200 12970353 Structural basis for tetrodotoxin-resistant sodium channel binding by mu-conotoxin SmIIIA. 2003 10.2210/pdb1q2j/pdb pdb_00001q2j 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 SINGLE WAVELENGTH M 1 1.0 2620.018 Mu-conotoxin SmIIIA 1 syn polymer no yes (PCA)RCCNGRRGCSSRWCRDHSRCC QRCCNGRRGCSSRWCRDHSRCC 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 entity_poly pdbx_nmr_software pdbx_struct_assembly pdbx_struct_mod_residue pdbx_struct_oper_list struct_conn entity pdbx_entity_src_syn pdbx_struct_mod_residue struct_ref struct_ref_seq chem_comp_atom chem_comp_bond database_2 pdbx_entry_details pdbx_modification_feature repository Initial release Version format compliance Version format compliance Data collection Derived calculations Polymer sequence Database references Derived calculations Source and taxonomy Structure summary Data collection Database references Structure summary 1 0 2004-02-24 1 1 2008-04-29 1 2 2011-07-13 2 0 2019-12-25 2 1 2020-06-24 2 2 2024-11-20 _entity_poly.pdbx_seq_one_letter_code_can _pdbx_nmr_software.name _pdbx_struct_mod_residue.parent_comp_id _struct_conn.pdbx_leaving_atom_flag _entity.pdbx_description _pdbx_entity_src_syn.ncbi_taxonomy_id _pdbx_entity_src_syn.organism_common_name _pdbx_entity_src_syn.organism_scientific _pdbx_entity_src_syn.pdbx_beg_seq_num _pdbx_entity_src_syn.pdbx_end_seq_num _pdbx_struct_mod_residue.details _database_2.pdbx_DOI _database_2.pdbx_database_accession RCSB Y RCSB 2003-07-24 REL REL THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. The sequence of the peptide is naturally found in the Conus stercusmuscarum (fly speck cone snail). 89452 Fly-specked cone Conus stercusmuscarum sample 1 22 Y A PCA 1 Named protein modification A PCA 1 GLN PCA 1 1_555 Pyrrolidone carboxylic acid A CYS 3 Disulfide bridge SG A CYS 3 A CYS 15 SG A CYS 15 1_555 1_555 None A CYS 4 Disulfide bridge SG A CYS 4 A CYS 21 SG A CYS 21 1_555 1_555 None A CYS 10 Disulfide bridge SG A CYS 10 A CYS 22 SG A CYS 22 1_555 1_555 None This structure was determined using standard 2D homonuclear techniques. structures with the lowest energy 200 20 2D TOCSY 2D NOESY DQF-COSY 4.7 ambient 278 K 13 closest to the average 0.9 mM SmIIIA, 95% H2O, 5% D2O 95% H2O/5% D2O Bruker Biospin collection XwinNMR 3.5 Bartels data analysis XEASY 1.3.13 Guentert structure solution CYANA 1.0.3 Schweiters structure solution X-PLOR Xplor-NIH Schweiters refinement X-PLOR Xplor-NIH 500 Bruker AMX 600 Bruker DRX 5HP 1 n 1 PCA 1 A ARG 2 n 2 ARG 2 A CYS 3 n 3 CYS 3 A CYS 4 n 4 CYS 4 A ASN 5 n 5 ASN 5 A GLY 6 n 6 GLY 6 A ARG 7 n 7 ARG 7 A ARG 8 n 8 ARG 8 A GLY 9 n 9 GLY 9 A CYS 10 n 10 CYS 10 A SER 11 n 11 SER 11 A SER 12 n 12 SER 12 A ARG 13 n 13 ARG 13 A TRP 14 n 14 TRP 14 A CYS 15 n 15 CYS 15 A ARG 16 n 16 ARG 16 A ASP 17 n 17 ASP 17 A HIS 18 n 18 HIS 18 A SER 19 n 19 SER 19 A ARG 20 n 20 ARG 20 A CYS 21 n 21 CYS 21 A CYS 22 n 22 CYS 22 A author_defined_assembly 1 monomeric A PCA 1 modified residue A PCA 1 GLN 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 0.0000000000 0.0000000000 0.0000000000 1.0000000000 1_555 identity operation 0.0000000000 0.0000000000 0.0000000000 1 A ARG 2 0.316 SIDE CHAIN 1 A ARG 7 0.305 SIDE CHAIN 1 A ARG 8 0.254 SIDE CHAIN 1 A ARG 13 0.277 SIDE CHAIN 1 A ARG 16 0.295 SIDE CHAIN 1 A ARG 20 0.317 SIDE CHAIN 2 A ARG 2 0.286 SIDE CHAIN 2 A ARG 7 0.317 SIDE CHAIN 2 A ARG 8 0.316 SIDE CHAIN 2 A ARG 13 0.318 SIDE CHAIN 2 A ARG 16 0.264 SIDE CHAIN 2 A ARG 20 0.318 SIDE CHAIN 3 A ARG 2 0.291 SIDE CHAIN 3 A ARG 7 0.318 SIDE CHAIN 3 A ARG 8 0.276 SIDE CHAIN 3 A ARG 13 0.253 SIDE CHAIN 3 A ARG 16 0.253 SIDE CHAIN 3 A ARG 20 0.314 SIDE CHAIN 4 A ARG 2 0.315 SIDE CHAIN 4 A ARG 7 0.310 SIDE CHAIN 4 A ARG 8 0.317 SIDE CHAIN 4 A ARG 13 0.143 SIDE CHAIN 4 A ARG 16 0.290 SIDE CHAIN 4 A ARG 20 0.305 SIDE CHAIN 5 A ARG 2 0.317 SIDE CHAIN 5 A ARG 7 0.312 SIDE CHAIN 5 A ARG 8 0.313 SIDE CHAIN 5 A ARG 13 0.291 SIDE CHAIN 5 A ARG 16 0.316 SIDE CHAIN 5 A ARG 20 0.295 SIDE CHAIN 6 A ARG 2 0.308 SIDE CHAIN 6 A ARG 7 0.319 SIDE CHAIN 6 A ARG 8 0.317 SIDE CHAIN 6 A ARG 13 0.292 SIDE CHAIN 6 A ARG 16 0.277 SIDE CHAIN 6 A ARG 20 0.310 SIDE CHAIN 7 A ARG 2 0.315 SIDE CHAIN 7 A ARG 7 0.315 SIDE CHAIN 7 A ARG 8 0.319 SIDE CHAIN 7 A ARG 13 0.302 SIDE CHAIN 7 A ARG 16 0.311 SIDE CHAIN 7 A ARG 20 0.318 SIDE CHAIN 8 A ARG 2 0.282 SIDE CHAIN 8 A ARG 7 0.320 SIDE CHAIN 8 A ARG 8 0.316 SIDE CHAIN 8 A ARG 13 0.316 SIDE CHAIN 8 A ARG 16 0.238 SIDE CHAIN 8 A ARG 20 0.314 SIDE CHAIN 9 A ARG 2 0.317 SIDE CHAIN 9 A ARG 7 0.314 SIDE CHAIN 9 A ARG 8 0.317 SIDE CHAIN 9 A ARG 13 0.294 SIDE CHAIN 9 A ARG 16 0.256 SIDE CHAIN 9 A ARG 20 0.315 SIDE CHAIN 10 A ARG 2 0.317 SIDE CHAIN 10 A ARG 7 0.287 SIDE CHAIN 10 A ARG 8 0.311 SIDE CHAIN 10 A ARG 13 0.248 SIDE CHAIN 10 A ARG 16 0.310 SIDE CHAIN 10 A ARG 20 0.299 SIDE CHAIN 11 A ARG 2 0.316 SIDE CHAIN 11 A ARG 7 0.271 SIDE CHAIN 11 A ARG 8 0.308 SIDE CHAIN 11 A ARG 13 0.315 SIDE CHAIN 11 A ARG 16 0.302 SIDE CHAIN 11 A ARG 20 0.307 SIDE CHAIN 12 A ARG 2 0.318 SIDE CHAIN 12 A ARG 7 0.319 SIDE CHAIN 12 A ARG 8 0.319 SIDE CHAIN 12 A ARG 13 0.293 SIDE CHAIN 12 A ARG 16 0.286 SIDE CHAIN 12 A ARG 20 0.308 SIDE CHAIN 13 A ARG 2 0.285 SIDE CHAIN 13 A ARG 7 0.289 SIDE CHAIN 13 A ARG 8 0.318 SIDE CHAIN 13 A ARG 13 0.317 SIDE CHAIN 13 A ARG 16 0.242 SIDE CHAIN 13 A ARG 20 0.311 SIDE CHAIN 14 A ARG 2 0.316 SIDE CHAIN 14 A ARG 7 0.300 SIDE CHAIN 14 A ARG 8 0.317 SIDE CHAIN 14 A ARG 13 0.275 SIDE CHAIN 14 A ARG 16 0.316 SIDE CHAIN 14 A ARG 20 0.272 SIDE CHAIN 15 A ARG 2 0.314 SIDE CHAIN 15 A ARG 7 0.289 SIDE CHAIN 15 A ARG 8 0.317 SIDE CHAIN 15 A ARG 13 0.288 SIDE CHAIN 15 A ARG 16 0.271 SIDE CHAIN 15 A ARG 20 0.315 SIDE CHAIN 16 A ARG 2 0.318 SIDE CHAIN 16 A ARG 7 0.300 SIDE CHAIN 16 A ARG 8 0.318 SIDE CHAIN 16 A ARG 13 0.312 SIDE CHAIN 16 A ARG 16 0.266 SIDE CHAIN 16 A ARG 20 0.291 SIDE CHAIN 17 A ARG 2 0.244 SIDE CHAIN 17 A ARG 7 0.301 SIDE CHAIN 17 A ARG 8 0.321 SIDE CHAIN 17 A ARG 13 0.315 SIDE CHAIN 17 A ARG 16 0.269 SIDE CHAIN 17 A ARG 20 0.303 SIDE CHAIN 18 A ARG 2 0.318 SIDE CHAIN 18 A ARG 7 0.307 SIDE CHAIN 18 A ARG 8 0.312 SIDE CHAIN 18 A ARG 13 0.265 SIDE CHAIN 18 A ARG 16 0.271 SIDE CHAIN 18 A ARG 20 0.320 SIDE CHAIN 19 A ARG 2 0.314 SIDE CHAIN 19 A ARG 7 0.314 SIDE CHAIN 19 A ARG 8 0.284 SIDE CHAIN 19 A ARG 13 0.318 SIDE CHAIN 19 A ARG 16 0.248 SIDE CHAIN 19 A ARG 20 0.266 SIDE CHAIN 20 A ARG 2 0.290 SIDE CHAIN 20 A ARG 7 0.271 SIDE CHAIN 20 A ARG 8 0.316 SIDE CHAIN 20 A ARG 13 0.274 SIDE CHAIN 20 A ARG 16 0.319 SIDE CHAIN 20 A ARG 20 0.318 SIDE CHAIN 1 A ARG 2 -142.54 -88.61 1 A CYS 4 -144.98 27.45 1 A ARG 7 -134.74 -45.82 1 A ARG 8 -96.16 -75.27 1 A SER 12 -151.27 -143.97 1 A ARG 16 -131.38 -55.24 1 A HIS 18 -137.58 -54.68 1 A CYS 21 -145.20 51.76 2 A ARG 2 -137.43 -35.80 2 A CYS 4 -149.97 27.23 2 A ARG 8 -132.41 -60.92 2 A SER 12 -146.73 -143.73 2 A ARG 16 -142.49 -52.75 2 A HIS 18 -150.39 -52.00 2 A CYS 21 -145.10 43.09 3 A ARG 2 -94.83 -68.53 3 A CYS 3 -91.69 31.32 3 A CYS 4 -143.43 17.98 3 A ARG 7 -132.58 -52.99 3 A ARG 8 -91.59 -70.62 3 A SER 12 -136.57 -144.72 3 A ARG 16 -143.80 -53.90 3 A HIS 18 -148.07 -62.28 3 A CYS 21 -142.13 49.27 4 A ARG 2 -144.84 -106.32 4 A ARG 8 -136.98 -64.91 4 A SER 12 -150.81 -145.93 4 A ARG 16 -139.36 -51.13 4 A HIS 18 -148.24 -57.96 4 A CYS 21 -142.42 56.70 5 A ARG 2 -136.43 -84.27 5 A ARG 7 -150.17 31.82 5 A ARG 8 -124.10 -60.15 5 A CYS 10 -100.70 79.39 5 A SER 12 -126.10 -144.43 5 A ARG 16 -131.01 -57.24 5 A HIS 18 -140.69 -49.93 5 A CYS 21 -147.65 58.38 6 A CYS 3 -90.81 34.84 6 A CYS 4 -141.14 25.05 6 A ARG 7 -83.88 30.94 6 A ARG 8 -101.51 -82.46 6 A SER 12 -131.13 -143.79 6 A ARG 16 -136.50 -55.95 6 A HIS 18 -139.32 -36.55 6 A ARG 20 -69.69 55.22 6 A CYS 21 -148.03 30.48 7 A ARG 2 -135.67 -44.11 7 A CYS 4 -150.57 22.35 7 A SER 12 -150.38 -144.23 7 A ARG 16 -134.31 -59.56 7 A HIS 18 -141.01 -52.30 7 A ARG 20 -68.23 72.51 7 A CYS 21 -142.03 -41.77 8 A ARG 2 -152.92 -138.80 8 A CYS 3 -83.42 43.44 8 A CYS 4 -149.19 19.72 8 A SER 12 -143.21 -142.92 8 A ARG 16 -136.88 -56.06 8 A HIS 18 -141.04 -51.94 8 A CYS 21 -142.25 41.44 9 A CYS 3 -92.61 36.03 9 A CYS 4 -146.22 23.86 9 A ARG 8 -125.84 -56.20 9 A SER 12 -144.47 -144.10 9 A ARG 16 -151.17 -47.77 9 A HIS 18 -147.22 -53.13 9 A CYS 21 -142.07 27.05 10 A ARG 2 -160.15 -86.60 10 A ASN 5 -102.58 40.21 10 A CYS 10 -105.79 78.47 10 A SER 12 -127.53 -144.78 10 A ARG 16 -137.02 -48.49 10 A HIS 18 -144.85 -51.67 10 A CYS 21 -150.25 42.91 11 A ASN 5 -93.85 50.22 11 A SER 12 -140.38 -143.69 11 A ARG 16 -140.07 -52.71 11 A HIS 18 -146.53 -54.18 11 A CYS 21 -150.75 36.13 12 A ARG 2 -131.68 -56.29 12 A SER 12 -151.09 -144.03 12 A ARG 16 -136.70 -49.69 12 A HIS 18 -137.96 -48.36 12 A ARG 20 -69.20 59.48 12 A CYS 21 -147.99 32.39 13 A ARG 2 -158.98 -70.47 13 A CYS 4 -149.73 25.44 13 A ARG 8 -85.31 -80.20 13 A CYS 10 -104.01 78.58 13 A SER 12 -150.70 -144.40 13 A ARG 16 -133.14 -61.42 13 A HIS 18 -130.78 -49.16 13 A CYS 21 -141.37 41.49 14 A ARG 2 -110.27 -83.85 14 A SER 12 -142.43 -143.77 14 A ARG 16 -141.20 -56.15 14 A HIS 18 -143.35 -57.59 14 A CYS 21 -145.58 58.69 15 A ARG 2 -118.72 -102.27 15 A CYS 3 -77.68 49.34 15 A CYS 4 -150.39 30.31 15 A ARG 8 -126.66 -63.00 15 A SER 12 -138.52 -144.43 15 A ARG 16 -139.86 -56.67 15 A HIS 18 -145.84 -55.98 15 A ARG 20 -69.90 54.11 16 A ARG 2 -157.69 -87.66 16 A CYS 4 -146.75 30.35 16 A ARG 7 -140.69 -60.37 16 A ARG 8 -78.14 -81.28 16 A SER 12 -151.60 -144.43 16 A ARG 16 -145.21 -48.49 16 A HIS 18 -149.89 -46.40 16 A CYS 21 -141.94 49.70 17 A ARG 2 -142.67 -62.80 17 A CYS 4 -149.68 30.21 17 A ARG 7 -93.34 30.12 17 A ARG 8 -135.50 -85.91 17 A SER 12 -150.99 -142.96 17 A ARG 16 -139.70 -52.56 17 A HIS 18 -143.02 -51.33 17 A CYS 21 -141.89 56.59 18 A ARG 2 -109.26 -79.96 18 A CYS 3 -93.41 53.19 18 A CYS 4 -148.65 25.63 18 A SER 12 -119.71 -143.50 18 A ARG 16 -139.56 -54.98 18 A HIS 18 -149.24 -44.60 18 A CYS 21 -143.82 37.13 19 A ARG 2 -145.58 -69.33 19 A ARG 7 -78.18 33.41 19 A ARG 8 -123.61 -60.95 19 A SER 12 -150.92 -143.98 19 A ARG 16 -134.78 -58.08 19 A HIS 18 -141.79 -54.15 19 A ARG 20 -69.18 59.17 19 A CYS 21 -151.46 49.75 20 A ARG 2 -174.03 -70.26 20 A ARG 8 -94.80 -63.72 20 A CYS 10 -104.83 79.84 20 A SER 12 -147.51 -144.13 20 A ARG 16 -134.38 -54.68 20 A HIS 18 -140.97 -51.42 20 A CYS 21 -141.91 34.65 Structural basis for tetrodotoxin-resistant sodium channel binding by mu-conotoxin SmIIIA 1 N N disulf 2.023 A CYS 3 A SG CYS 3 1_555 A CYS 15 A SG CYS 15 1_555 disulf 2.023 A CYS 4 A SG CYS 4 1_555 A CYS 21 A SG CYS 21 1_555 disulf 2.021 A CYS 10 A SG CYS 10 1_555 A CYS 22 A SG CYS 22 1_555 covale 1.310 both A PCA 1 A C PCA 1 1_555 A ARG 2 A N ARG 2 1_555 TOXIN mu-conotoxin, TOXIN CM3A_CONSE UNP 1 7 P60207 QRCCNGRRGCSSRWCRDHSRCC 7 28 1Q2J 1 22 P60207 A 1 1 22