1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Zeng, H. Moise, L. Grant, M.A. Hawrot, E. 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 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 C4 H7 N O2 101.104 n HOMOSERINE LACTONE L-peptide linking 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 276 22930 22940 10.1074/jbc.M102300200 11312275 The solution structure of the complex formed between alpha-bungarotoxin and an 18-mer cognate peptide derived from the alpha 1 subunit of the nicotinic acetylcholine receptor from Torpedo californica. 2001 10.2210/pdb1idg/pdb pdb_00001idg THERE ARE SEVERAL CHIRALITY ERRORS IN CHAINS A AND B. 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 8005.281 ALPHA-BUNGAROTOXIN 1 nat polymer 2424.732 ACETYLCHOLINE RECEPTOR PROTEIN, ALPHA CHAIN 1 man polymer LONG NEUROTOXIN 1 NACHR-ALPHA1-SUBUNIT no no IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG A polypeptide(L) no yes YRGWKHWVYYTCCPDTPY(HSL) YRGWKHWVYYTCCPDTPYS 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 Pacific electric ray Torpedo Escherichia Escherichia coli sample 7787 Torpedo californica 469008 Escherichia coli BL21(DE3) BL21 (DE3) PLASMID PET-31B(+) many-banded krait PURCHASED FROM SIGMA Bungarus sample 8616 Bungarus multicinctus database_2 pdbx_nmr_software pdbx_nmr_spectrometer pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2001-04-25 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model 1IDH IS 20 ENSEMBLE STRUCTURES OF THE COMPLEX BETWEEN ALPHA-BUNGAROTOXIN AND AN 18MER COGNATE PEPTIDE 1IDI is the average structure of alpha-Bungarotoxin 1IDL is 20 ensemble structures of alpha-Bungarotoxin RCSB Y RCSB 2001-04-04 REL REL The chirality error is in THR 6 CB, OG1; ILE 11 CB, CG2; and THR 196 CB, OG1. There is no chirality error if MOLMOL is used to view the structure. 1 1 3D_15N-separated_TOCSY 3D HNHA 3D_15N-separated_NOESY 2D_TOCSY 2D_NOESY 2D 1H-15N HSQC 4.0 ambient 308 K distance geometry and simulated annealing minimized average structure 2.1 mM alpha-Bungarotoxin/alpha18mer complex, alpha18mer is 15N labeled, 50 mM perdeuterated potassium acetate buffer (pH 4.0) with 5% D2O and 0.05% sodium azide 95% H2O/5% D2O Bruker collection XwinNMR 2.1 Delaglio, F. et al. processing NMRPipe 1.8 Goddard, T.D. and Kneller, D.G. data analysis Sparky 3.95 Brunger, A.T. et al. refinement CNSsolve 1.0 600 Bruker AVANCE ILE 1 n 1 ILE 1 A VAL 2 n 2 VAL 2 A CYS 3 n 3 CYS 3 A HIS 4 n 4 HIS 4 A THR 5 n 5 THR 5 A THR 6 n 6 THR 6 A ALA 7 n 7 ALA 7 A THR 8 n 8 THR 8 A SER 9 n 9 SER 9 A PRO 10 n 10 PRO 10 A ILE 11 n 11 ILE 11 A SER 12 n 12 SER 12 A ALA 13 n 13 ALA 13 A VAL 14 n 14 VAL 14 A THR 15 n 15 THR 15 A CYS 16 n 16 CYS 16 A PRO 17 n 17 PRO 17 A PRO 18 n 18 PRO 18 A GLY 19 n 19 GLY 19 A GLU 20 n 20 GLU 20 A ASN 21 n 21 ASN 21 A LEU 22 n 22 LEU 22 A CYS 23 n 23 CYS 23 A TYR 24 n 24 TYR 24 A ARG 25 n 25 ARG 25 A LYS 26 n 26 LYS 26 A MET 27 n 27 MET 27 A TRP 28 n 28 TRP 28 A CYS 29 n 29 CYS 29 A ASP 30 n 30 ASP 30 A ALA 31 n 31 ALA 31 A PHE 32 n 32 PHE 32 A CYS 33 n 33 CYS 33 A SER 34 n 34 SER 34 A SER 35 n 35 SER 35 A ARG 36 n 36 ARG 36 A GLY 37 n 37 GLY 37 A LYS 38 n 38 LYS 38 A VAL 39 n 39 VAL 39 A VAL 40 n 40 VAL 40 A GLU 41 n 41 GLU 41 A LEU 42 n 42 LEU 42 A GLY 43 n 43 GLY 43 A CYS 44 n 44 CYS 44 A ALA 45 n 45 ALA 45 A ALA 46 n 46 ALA 46 A THR 47 n 47 THR 47 A CYS 48 n 48 CYS 48 A PRO 49 n 49 PRO 49 A SER 50 n 50 SER 50 A LYS 51 n 51 LYS 51 A LYS 52 n 52 LYS 52 A PRO 53 n 53 PRO 53 A TYR 54 n 54 TYR 54 A GLU 55 n 55 GLU 55 A GLU 56 n 56 GLU 56 A VAL 57 n 57 VAL 57 A THR 58 n 58 THR 58 A CYS 59 n 59 CYS 59 A CYS 60 n 60 CYS 60 A SER 61 n 61 SER 61 A THR 62 n 62 THR 62 A ASP 63 n 63 ASP 63 A LYS 64 n 64 LYS 64 A CYS 65 n 65 CYS 65 A ASN 66 n 66 ASN 66 A PRO 67 n 67 PRO 67 A HIS 68 n 68 HIS 68 A PRO 69 n 69 PRO 69 A LYS 70 n 70 LYS 70 A GLN 71 n 71 GLN 71 A ARG 72 n 72 ARG 72 A PRO 73 n 73 PRO 73 A GLY 74 n 74 GLY 74 A TYR 181 n 1 TYR 181 B ARG 182 n 2 ARG 182 B GLY 183 n 3 GLY 183 B TRP 184 n 4 TRP 184 B LYS 185 n 5 LYS 185 B HIS 186 n 6 HIS 186 B TRP 187 n 7 TRP 187 B VAL 188 n 8 VAL 188 B TYR 189 n 9 TYR 189 B TYR 190 n 10 TYR 190 B THR 191 n 11 THR 191 B CYS 192 n 12 CYS 192 B CYS 193 n 13 CYS 193 B PRO 194 n 14 PRO 194 B ASP 195 n 15 ASP 195 B THR 196 n 16 THR 196 B PRO 197 n 17 PRO 197 B TYR 198 n 18 TYR 198 B n 19 199 B author_defined_assembly 2 dimeric 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 B HSL 199 B HSL 19 1 Y 1 A CB THR 6 WRONG HAND 1 A CB ILE 11 WRONG HAND 1 B CB THR 196 WRONG HAND 1 A A C C ALA PHE 31 32 1.43 1 A A N N PRO GLY 73 74 1.52 1 A A C H GLY GLU 19 20 1.57 1 A GLU 20 -18.24 1 A ALA 31 29.76 1 A PHE 32 34.60 1 A ARG 72 -16.00 1 A PRO 73 -24.09 1 A A THR THR 5 6 121.19 1 A A THR ALA 6 7 -139.48 1 A A THR SER 8 9 -140.04 1 A A ALA VAL 13 14 -143.04 1 A A CYS PRO 16 17 -146.43 1 A A PRO GLY 18 19 129.62 1 A A GLU ASN 20 21 114.94 1 A A ASN LEU 21 22 -134.56 1 A A ALA PHE 31 32 121.98 1 A A PHE CYS 32 33 -112.60 1 A A GLU GLU 55 56 -135.05 1 A A ASP LYS 63 64 122.88 1 A A HIS PRO 68 69 130.69 1 A A LYS GLN 70 71 149.59 1 A A ARG PRO 72 73 -105.65 1 A A PRO GLY 73 74 -104.65 1 B B TYR ARG 181 182 106.10 1 B B TRP LYS 184 185 110.90 1 B B HIS TRP 186 187 -146.30 1 B B TYR THR 190 191 139.72 1 B B PRO ASP 194 195 -108.61 1 B B PRO TYR 197 198 144.35 1 A TYR 24 0.070 SIDE CHAIN 1 A ARG 36 0.083 SIDE CHAIN 1 A TYR 54 0.102 SIDE CHAIN 1 A ARG 72 0.076 SIDE CHAIN 1 B TYR 181 0.065 SIDE CHAIN 1 B TYR 189 0.083 SIDE CHAIN 1 B TYR 190 0.138 SIDE CHAIN 1 B TYR 198 0.071 SIDE CHAIN 1 7.84 1.30 111.50 119.34 A A A ND1 CE1 NE2 HIS HIS HIS 4 4 4 N 1 -63.15 2.70 111.00 47.85 A A A N CA C GLU GLU GLU 20 20 20 N 1 -18.03 2.20 117.20 99.17 A A A CA C N GLU GLU ASN 20 20 21 Y 1 4.08 0.50 120.30 124.38 A A A NE CZ NH1 ARG ARG ARG 25 25 25 N 1 16.51 2.00 110.40 126.91 A A A CB CA C PHE PHE PHE 32 32 32 N 1 -57.66 2.70 111.00 53.34 A A A N CA C PHE PHE PHE 32 32 32 N 1 -15.77 2.10 120.10 104.33 A A A CA C O PHE PHE PHE 32 32 32 N 1 -14.21 2.20 117.20 102.99 A A A CA C N PHE PHE CYS 32 32 33 Y 1 -9.79 1.60 122.70 112.91 A A A O C N PHE PHE CYS 32 32 33 Y 1 3.93 0.50 120.30 124.23 A A A NE CZ NH1 ARG ARG ARG 36 36 36 N 1 8.00 1.30 111.50 119.50 A A A ND1 CE1 NE2 HIS HIS HIS 68 68 68 N 1 16.54 1.80 110.60 127.14 A A A N CA CB ARG ARG ARG 72 72 72 N 1 3.28 0.50 120.30 123.58 A A A NE CZ NH1 ARG ARG ARG 72 72 72 N 1 -61.08 2.70 111.00 49.92 A A A N CA C ARG ARG ARG 72 72 72 N 1 -23.12 1.40 111.70 88.58 A A A CA N CD PRO PRO PRO 73 73 73 N 1 17.97 1.20 103.30 121.27 A A A N CA CB PRO PRO PRO 73 73 73 N 1 14.33 1.50 103.20 117.53 A A A N CD CG PRO PRO PRO 73 73 73 N 1 -60.60 2.60 112.10 51.50 A A A N CA C PRO PRO PRO 73 73 73 N 1 -11.98 1.70 123.20 111.22 A A A O C N PRO PRO GLY 73 73 74 Y 1 3.83 0.50 120.30 124.13 B B B NE CZ NH1 ARG ARG ARG 182 182 182 N 1 14.14 1.80 110.60 124.74 B B B N CA CB TRP TRP TRP 184 184 184 N 1 8.08 1.30 111.50 119.58 B B B ND1 CE1 NE2 HIS HIS HIS 186 186 186 N 1 13.28 2.00 110.40 123.68 B B B CB CA C TRP TRP TRP 187 187 187 N 1 15.27 2.20 117.20 132.47 B B B CA C N TRP TRP VAL 187 187 188 Y 1 -10.28 1.60 122.70 112.42 B B B O C N TRP TRP VAL 187 187 188 Y 1 12.88 1.90 111.40 124.28 B B B CB CA C VAL VAL VAL 188 188 188 N 1 11.10 1.50 110.90 122.00 B B B CA CB CG2 VAL VAL VAL 188 188 188 N 1 -11.11 1.60 122.70 111.59 B B B O C N VAL VAL TYR 188 188 189 Y 1 7.34 1.20 111.50 118.84 B B B CB CA C CYS CYS CYS 193 193 193 N 1 10.63 1.40 112.40 123.03 B B B CA CB CG2 THR THR THR 196 196 196 N 1 A A CG CD2 HIS HIS 4 4 0.057 0.009 1.354 1.411 N 1 A A CG CD2 HIS HIS 68 68 0.056 0.009 1.354 1.410 N 1 A A C N ARG PRO 72 73 0.147 0.019 1.338 1.485 Y 1 A THR 6 68.62 -95.56 1 A THR 8 72.29 -47.55 1 A SER 12 -165.23 -103.63 1 A VAL 14 -111.11 -140.94 1 A THR 15 80.01 128.53 1 A PRO 17 -100.43 -62.47 1 A PRO 18 -68.92 -72.87 1 A GLU 20 177.08 125.00 1 A ASN 21 82.88 -133.25 1 A TYR 24 -45.97 86.60 1 A CYS 29 56.33 76.90 1 A ALA 31 -155.58 -112.78 1 A PHE 32 5.09 -124.31 1 A CYS 33 50.99 94.03 1 A SER 34 -77.91 -70.01 1 A SER 35 -116.26 74.85 1 A LYS 38 39.59 57.74 1 A GLU 41 -167.44 -83.71 1 A LEU 42 48.29 129.37 1 A CYS 44 62.94 143.74 1 A LYS 51 178.40 16.64 1 A LYS 52 -110.78 -168.96 1 A PRO 53 -72.44 -70.43 1 A GLU 55 -114.74 -138.75 1 A GLU 56 157.30 -75.79 1 A CYS 59 57.27 150.56 1 A THR 62 86.01 -65.24 1 A ASP 63 -132.69 -157.99 1 A LYS 64 -35.97 85.32 1 A PRO 67 -78.02 -91.11 1 A HIS 68 177.40 -172.04 1 A GLN 71 31.55 21.52 1 B ARG 182 19.15 110.17 1 B TRP 184 94.32 108.60 1 B LYS 185 41.82 99.87 1 B HIS 186 66.28 -170.03 1 B TRP 187 -128.79 -101.01 1 B VAL 188 66.26 177.85 1 B TYR 189 93.71 63.65 1 B THR 191 -32.35 -16.68 1 B CYS 193 61.95 65.85 1 B PRO 194 -55.42 -175.08 1 B PRO 197 -88.79 -73.11 minimized average THE NMR SOLUTION STRUCTURE OF THE COMPLEX FORMED BETWEEN ALPHA-BUNGAROTOXIN AND AN 18MER COGNATE PEPTIDE 1 N N 2 N N disulf 2.008 A CYS 3 A SG CYS 3 1_555 A CYS 23 A SG CYS 23 1_555 disulf 2.003 A CYS 16 A SG CYS 16 1_555 A CYS 44 A SG CYS 44 1_555 disulf 1.995 A CYS 29 A SG CYS 29 1_555 A CYS 33 A SG CYS 33 1_555 disulf 2.012 A CYS 48 A SG CYS 48 1_555 A CYS 59 A SG CYS 59 1_555 disulf 2.001 A CYS 60 A SG CYS 60 1_555 A CYS 65 A SG CYS 65 1_555 disulf 2.043 B CYS 192 B SG CYS 12 1_555 B CYS 193 B SG CYS 13 1_555 TOXIN ALPHA-BUNGAROTOXIN, NICOTINIC ACETYLCHOLINE RECEPTOR, ALPHA 1 SUBUNIT, PROTEIN-PROTEIN INTERACTION, CATION-PI INTERACTION, TOXIN A GLY 19 A GLY 19 1 A GLU 20 A GLU 20 23.54 B GLY 183 B GLY 3 1 B TRP 184 B TRP 4 -4.48 B LYS 185 B LYS 5 1 B HIS 186 B HIS 6 11.62 B TRP 187 B TRP 7 1 B VAL 188 B VAL 8 -19.73 B VAL 188 B VAL 8 1 B TYR 189 B TYR 9 -21.40 B ASP 195 B ASP 15 1 B THR 196 B THR 16 -13.27 NXL1A_BUNMU UNP 1 1 P60615 IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG ACHA_TORCA UNP 2 205 P02710 YRGWKHWVYYTCCPDTPY 1 74 1IDG 1 74 P60615 A 1 1 74 205 222 1IDG 181 198 P02710 B 2 1 18 2 cloning artifact HSL 199 1IDG B P02710 UNP 19 1 P 1