1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Moise, L. Piserchio, A. Basus, V.J. 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 277 12406 12417 10.1074/jbc.M110320200 11790782 NMR structural analysis of alpha-bungarotoxin and its complex with the principal alpha-neurotoxin-binding sequence on the alpha 7 subunit of a neuronal nicotinic acetylcholine receptor. 2002 US J.Biol.Chem. JBCHA3 0071 0021-9258 274 26113 26119 10.1074/jbc.274.37.26113 Chimeric Analysis of a Neuronal Nicotinic Acetylcholine Receptor Reveals Amino Acids Conferring Sensitivity to Alpha-Bungarotoxin. 1999 US J.Biol.Chem. JBCHA3 0071 0021-9258 266 15230 15239 Identification of Sequence Segments Forming the Alpha-Bungarotoxin Binding Sites on Two Nicotinic Acetylcholine Receptor Alpha Subunits from the Avian Brain. 1991 US Biochemistry BICHAW 0033 0006-2960 27 2763 2771 Structural Studies of Alpha-Bungarotoxin. 1. Sequence-Specific 1H NMR Resonance Assignments. 1988 10.2210/pdb1kl8/pdb pdb_00001kl8 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 2348.629 NEURONAL ACETYLCHOLINE RECEPTOR PROTEIN, ALPHA-7 CHAIN ALPHA-NEUROTOXIN BINDING SITE 1 man polymer LONG NEUROTOXIN 1 no no IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG A polypeptide(L) no yes IPGKRTESFYECCKEPYPD(HSL) IPGKRTESFYECCKEPYPDS 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 n chicken Gallus Escherichia sample 9031 Gallus gallus 562 Escherichia coli BLR(DE3)PLYSS PLASMID PET31B(+) many-banded krait Bungarus sample 8616 Bungarus multicinctus database_2 pdbx_nmr_software pdbx_nmr_spectrometer pdbx_struct_assembly pdbx_struct_oper_list struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2002-03-13 1 1 2008-04-27 1 2 2011-07-13 1 3 2021-10-27 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model _struct_ref_seq_dif.details 1ABT IS ALPHA-BUNGAROTOXIN COMPLEXED WITH THE 185 - 196 FRAGMENT OF THE -SUBUNIT OF THE TORPEDO NICOTINIC ACETYLCHOLINE RECEPTOR (NMR, 4 STRUCTURES). 1IDH IS THE NMR SOLUTION STRUCTURE OF THE COMPLEX FORMED BETWEEN ALPHA-BUNGAROTOXIN AND AN 18MER COGNATE PEPTIDE. 2ABX IS THE CRYSTAL STRUCTURE OF ALPHA-BUNGAROTOXIN AT 2.5 A RESOLUTION: RELATION TO SOLUTION STRUCTURE AND BINDING TO ACETYLCHOLINE RECEPTOR. 1I9B IS THE X-RAY STRUCTURE OF ACETYLCHOLINE BINDING PROTEIN (ACHBP). 1HC9 IS A-BUNGAROTOXIN COMPLEXED WITH HIGH AFFINITY PEPTIDE. 1JBD IS THE NMR STRUCTURE OF THE COMPLEX BETWEEN ALPHA- BUNGAROTOXIN AND A MIMOTOPE OF THE NICOTINIC ACETILCHOLINE RECEPTOR. 1kc4 is the NMR STRUCTURAL ANALYSIS OF THE COMPLEX FORMED BETWEEN ALPHA-BUNGAROTOXIN AND THE PRINCIPAL ALPHA-NEUROTOXIN BINDING SEQUENCE ON THE ALPHA7 SUBUNIT OF A NEURONAL NICOTINIC ACETYLCHOLINE RECEPTOR (ensemble of 10 structures). 1KFH IS the SOLUTION STRUCTURE OF ALPHA-BUNGAROTOXIN BY NMR SPECTROSCOPY. 1HAJ IS A BETA-HAIRPIN STRUCTURE IN A 13-MER PEPTIDE THAT BINDS A-BUNGAROTOXIN WITH HIGH AFFINITY AND NEUTRALIZES ITS TOXICITY. 1BXP IS THE SOLUTION NMR STRUCTURE OF THE COMPLEX OF ALPHA-BUNGAROTOXIN WITH A LIBRARY DERIVED PEPTIDE, 20 STRUCTURES. 1IKC IS THE NMR STRUCTURE OF ALPHA-BUNGAROTOXIN. RCSB Y RCSB 2001-12-11 REL THE WELL-DEFINED REGIONS IN THE COMPLEX, EXHIBITING EXTENSIVE LONG RANGE NOES, ARE: BGTX: 1-16, 22-28, 39-48, AND 54-68 ALPHA 7 19MER: 185-194. 1 2D NOESY 2D TOCSY 3D_15 SEPARATED_NOESY 3D_15N- SEPARATED_TOCSY 2D 1H-15N HSQC HNHA 5.50 AMBIENT 308.00 K RMS DEVIATIONS FROM IDEAL VALUES BOND LENGTH(A) 0.0039, ANGLES(DEG) 0.61, IMPROPERS(DEG) 0.5 DISTANCE GEOMETRY DYNAMIC SIMULATED ANNEALING 1 minimized average structure 1.6 MM ALPHA-BUNGAROTOXIN 15N]-ALPHA 7 19MER COMPLEX MM SODIUM PHOSPHATE, PH 5. MICROMOLAR SODIUM AZIDE 50 MICROMOLAR TMSP 95% H2O/5% D2O BRUNGER, A.T., ET AL. refinement CNS 1.0 structure solution XwinNMR 2.1 structure solution NMRPipe 1.8 structure solution Sparky 3.87 600 Bruker AVANCE 400 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 ILE 178 n 1 ILE 178 B PRO 179 n 2 PRO 179 B GLY 180 n 3 GLY 180 B LYS 181 n 4 LYS 181 B ARG 182 n 5 ARG 182 B THR 183 n 6 THR 183 B GLU 184 n 7 GLU 184 B SER 185 n 8 SER 185 B PHE 186 n 9 PHE 186 B TYR 187 n 10 TYR 187 B GLU 188 n 11 GLU 188 B CYS 189 n 12 CYS 189 B CYS 190 n 13 CYS 190 B LYS 191 n 14 LYS 191 B GLU 192 n 15 GLU 192 B PRO 193 n 16 PRO 193 B TYR 194 n 17 TYR 194 B PRO 195 n 18 PRO 195 B ASP 196 n 19 ASP 196 B n 20 197 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 identity operation 0.0000000000 0.0000000000 0.0000000000 A O ALA 45 A O ALA 45 A N LEU 22 A N LEU 22 A N ARG 25 A N ARG 25 A O THR 58 A O THR 58 1 B HSL 197 B HSL 20 1 Y 1 B TYR 194 0.110 SIDE CHAIN 1 3.31 0.50 120.30 123.61 A A A NE CZ NH1 ARG ARG ARG 25 25 25 N 1 3.20 0.50 120.30 123.50 A A A NE CZ NH1 ARG ARG ARG 72 72 72 N 1 3.16 0.50 120.30 123.46 B B B NE CZ NH1 ARG ARG ARG 182 182 182 N 1 A THR 5 -51.52 170.42 1 A ALA 7 74.74 52.78 1 A SER 9 -167.13 -65.38 1 A SER 12 -115.36 -147.86 1 A ASN 21 -154.64 -51.02 1 A CYS 29 -139.82 -51.85 1 A ALA 31 174.53 -91.86 1 A PHE 32 177.94 90.30 1 A SER 34 66.79 153.08 1 A SER 35 78.70 -79.53 1 A VAL 40 40.17 94.47 1 A SER 50 -173.77 123.24 1 A LYS 51 -178.03 61.49 1 A LYS 52 55.86 70.84 1 A GLU 55 115.79 91.85 1 A GLU 56 -159.82 -151.62 1 A THR 62 -166.63 -165.35 1 A ASP 63 -76.08 -132.94 1 A LYS 64 -58.25 73.84 1 A PRO 67 -51.17 97.78 1 A PRO 69 -50.68 -72.77 1 A PRO 73 -67.41 -174.51 1 B LYS 181 67.84 124.49 1 B THR 183 -101.72 59.59 1 B SER 185 -101.52 -167.21 1 B TYR 187 -124.09 -152.43 1 B CYS 189 -170.48 -42.84 1 B CYS 190 -162.11 41.80 1 B GLU 192 70.81 -148.93 1 B TYR 194 -2.66 -68.71 minimized average NMR STRUCTURAL ANALYSIS OF THE COMPLEX FORMED BETWEEN ALPHA-BUNGAROTOXIN AND THE PRINCIPAL ALPHA-NEUROTOXIN BINDING SEQUENCE ON THE ALPHA7 SUBUNIT OF A NEURONAL NICOTINIC ACETYLCHOLINE RECEPTOR 1 N N 2 N N disulf 1.992 A CYS 3 A SG CYS 3 1_555 A CYS 23 A SG CYS 23 1_555 disulf 1.996 A CYS 16 A SG CYS 16 1_555 A CYS 44 A SG CYS 44 1_555 disulf 1.987 A CYS 29 A SG CYS 29 1_555 A CYS 33 A SG CYS 33 1_555 disulf 1.994 A CYS 48 A SG CYS 48 1_555 A CYS 59 A SG CYS 59 1_555 disulf 1.978 A CYS 60 A SG CYS 60 1_555 A CYS 65 A SG CYS 65 1_555 disulf 2.020 B CYS 189 B SG CYS 12 1_555 B CYS 190 B SG CYS 13 1_555 TOXIN ALPHA-BUNGAROTOXIN, NICOTINIC ACETYLCHOLINE RECEPTOR ALPHA 7 SUBUNIT, ALPHA-NEUROTOXIN, LIGAND-GATED ION CHANNELS, NMR PROTEIN-PROTEIN INTERACTIONS, PROTEIN-PEPTIDE COMPLEX, TOXIN NXL1A_BUNMU UNP 1 1 P60615 IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG ACHA7_CHICK UNP 2 201 P22770 IPGKRTESFYECCKEPYPD 1 74 1KL8 1 74 P60615 A 1 1 74 201 219 1KL8 178 196 P22770 B 2 1 19 2 engineered mutation HSL 197 1KL8 B P22770 UNP 20 3 anti-parallel anti-parallel A GLU 41 A GLU 41 A ALA 45 A ALA 45 A LEU 22 A LEU 22 A LYS 26 A LYS 26 A VAL 57 A VAL 57 A THR 58 A THR 58 1 P 1