1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Oswald, R.E. Sutcliffe, M.J. Bamberger, M. Loring, R.H. Braswell, E. Dobson, C.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 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 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 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 C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Biochemistry BICHAW 0033 0006-2960 31 2962 2970 10.1021/bi00126a017 1550821 Solution structure of neuronal bungarotoxin determined by two-dimensional NMR spectroscopy: calculation of tertiary structure using systematic homologous model building, dynamical simulated annealing, and restrained molecular dynamics. 1992 US Biochemistry BICHAW 0033 0006-2960 30 4901 Solution Structure of Neuronal Bungarotoxin Determined by Two-Dimensional NMR Spectroscopy: Sequence-Specific Assignments, Secondary Structure, and Dimer Formation 1991 10.2210/pdb2nbt/pdb pdb_00002nbt 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 7282.352 NEURONAL BUNGAROTOXIN 2 nat polymer no no RTCLISPSSTPQTCPNGQDICFLKAQCDKFCSIRGPVIEQGCVATCPQFRSNYRSLLCCTTDNCNH RTCLISPSSTPQTCPNGQDICFLKAQCDKFCSIRGPVIEQGCVATCPQFRSNYRSLLCCTTDNCNH A,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 many-banded krait Bungarus sample 8616 Bungarus multicinctus VENOM database_2 pdbx_database_status pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations Other 1 0 1998-03-11 1 1 2008-03-24 1 2 2011-07-13 1 3 2022-03-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site 1998-03-11 SPRSDE Y BNL 1997-10-29 REL LEAST RESTRAINT VIOLATION 14 10 NOESY HOHAHA COSY RELAY DOUBLE RELAY 4.2 1 atm 300 K REFINEMENT DETAILS CAN BE FOUND IN THE JRNL CITATION ABOVE. HOMOLOGY MODELLING FOLLOWED BY SIMULATED ANNEALING BRUNGER refinement X-PLOR structure solution XPLOR structure solution COMPOSER 500 Bruker AM-500 600 Nicolet AM-600 600 Nicolet HOME-BUILT 500 ARG 1 n 1 ARG 1 A THR 2 n 2 THR 2 A CYS 3 n 3 CYS 3 A LEU 4 n 4 LEU 4 A ILE 5 n 5 ILE 5 A SER 6 n 6 SER 6 A PRO 7 n 7 PRO 7 A SER 8 n 8 SER 8 A SER 9 n 9 SER 9 A THR 10 n 10 THR 10 A PRO 11 n 11 PRO 11 A GLN 12 n 12 GLN 12 A THR 13 n 13 THR 13 A CYS 14 n 14 CYS 14 A PRO 15 n 15 PRO 15 A ASN 16 n 16 ASN 16 A GLY 17 n 17 GLY 17 A GLN 18 n 18 GLN 18 A ASP 19 n 19 ASP 19 A ILE 20 n 20 ILE 20 A CYS 21 n 21 CYS 21 A PHE 22 n 22 PHE 22 A LEU 23 n 23 LEU 23 A LYS 24 n 24 LYS 24 A ALA 25 n 25 ALA 25 A GLN 26 n 26 GLN 26 A CYS 27 n 27 CYS 27 A ASP 28 n 28 ASP 28 A LYS 29 n 29 LYS 29 A PHE 30 n 30 PHE 30 A CYS 31 n 31 CYS 31 A SER 32 n 32 SER 32 A ILE 33 n 33 ILE 33 A ARG 34 n 34 ARG 34 A GLY 35 n 35 GLY 35 A PRO 36 n 36 PRO 36 A VAL 37 n 37 VAL 37 A ILE 38 n 38 ILE 38 A GLU 39 n 39 GLU 39 A GLN 40 n 40 GLN 40 A GLY 41 n 41 GLY 41 A CYS 42 n 42 CYS 42 A VAL 43 n 43 VAL 43 A ALA 44 n 44 ALA 44 A THR 45 n 45 THR 45 A CYS 46 n 46 CYS 46 A PRO 47 n 47 PRO 47 A GLN 48 n 48 GLN 48 A PHE 49 n 49 PHE 49 A ARG 50 n 50 ARG 50 A SER 51 n 51 SER 51 A ASN 52 n 52 ASN 52 A TYR 53 n 53 TYR 53 A ARG 54 n 54 ARG 54 A SER 55 n 55 SER 55 A LEU 56 n 56 LEU 56 A LEU 57 n 57 LEU 57 A CYS 58 n 58 CYS 58 A CYS 59 n 59 CYS 59 A THR 60 n 60 THR 60 A THR 61 n 61 THR 61 A ASP 62 n 62 ASP 62 A ASN 63 n 63 ASN 63 A CYS 64 n 64 CYS 64 A ASN 65 n 65 ASN 65 A HIS 66 n 66 HIS 66 A ARG 1 n 1 ARG 1 B THR 2 n 2 THR 2 B CYS 3 n 3 CYS 3 B LEU 4 n 4 LEU 4 B ILE 5 n 5 ILE 5 B SER 6 n 6 SER 6 B PRO 7 n 7 PRO 7 B SER 8 n 8 SER 8 B SER 9 n 9 SER 9 B THR 10 n 10 THR 10 B PRO 11 n 11 PRO 11 B GLN 12 n 12 GLN 12 B THR 13 n 13 THR 13 B CYS 14 n 14 CYS 14 B PRO 15 n 15 PRO 15 B ASN 16 n 16 ASN 16 B GLY 17 n 17 GLY 17 B GLN 18 n 18 GLN 18 B ASP 19 n 19 ASP 19 B ILE 20 n 20 ILE 20 B CYS 21 n 21 CYS 21 B PHE 22 n 22 PHE 22 B LEU 23 n 23 LEU 23 B LYS 24 n 24 LYS 24 B ALA 25 n 25 ALA 25 B GLN 26 n 26 GLN 26 B CYS 27 n 27 CYS 27 B ASP 28 n 28 ASP 28 B LYS 29 n 29 LYS 29 B PHE 30 n 30 PHE 30 B CYS 31 n 31 CYS 31 B SER 32 n 32 SER 32 B ILE 33 n 33 ILE 33 B ARG 34 n 34 ARG 34 B GLY 35 n 35 GLY 35 B PRO 36 n 36 PRO 36 B VAL 37 n 37 VAL 37 B ILE 38 n 38 ILE 38 B GLU 39 n 39 GLU 39 B GLN 40 n 40 GLN 40 B GLY 41 n 41 GLY 41 B CYS 42 n 42 CYS 42 B VAL 43 n 43 VAL 43 B ALA 44 n 44 ALA 44 B THR 45 n 45 THR 45 B CYS 46 n 46 CYS 46 B PRO 47 n 47 PRO 47 B GLN 48 n 48 GLN 48 B PHE 49 n 49 PHE 49 B ARG 50 n 50 ARG 50 B SER 51 n 51 SER 51 B ASN 52 n 52 ASN 52 B TYR 53 n 53 TYR 53 B ARG 54 n 54 ARG 54 B SER 55 n 55 SER 55 B LEU 56 n 56 LEU 56 B LEU 57 n 57 LEU 57 B CYS 58 n 58 CYS 58 B CYS 59 n 59 CYS 59 B THR 60 n 60 THR 60 B THR 61 n 61 THR 61 B ASP 62 n 62 ASP 62 B ASN 63 n 63 ASN 63 B CYS 64 n 64 CYS 64 B ASN 65 n 65 ASN 65 B HIS 66 n 66 HIS 66 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 A O GLY 41 A O GLY 41 A N PHE 22 A N PHE 22 A O CYS 21 A O CYS 21 A N CYS 59 A N CYS 59 A O LEU 56 A O LEU 56 B N CYS 58 B N CYS 58 B O SER 55 B O SER 55 B N ALA 25 B N ALA 25 B O GLN 26 B O GLN 26 B N VAL 37 B N VAL 37 1 A A H O LYS GLU 24 39 1.48 1 B B H O LYS GLU 24 39 1.48 1 A A O H PRO PHE 47 49 1.49 1 B B O H PRO PHE 47 49 1.49 2 A A O H PRO PHE 47 49 1.57 2 B B O H PRO PHE 47 49 1.57 2 A A O H ALA ARG 25 54 1.59 2 B B O H ALA ARG 25 54 1.59 3 B B O H PRO PHE 47 49 1.49 3 A A O H PRO PHE 47 49 1.49 3 B B O H PHE ILE 30 33 1.58 3 A A O H PHE ILE 30 33 1.58 4 A A O H PRO PHE 47 49 1.55 4 B B O H PRO PHE 47 49 1.55 5 A A O H PRO PHE 47 49 1.50 5 B B O H PRO PHE 47 49 1.50 5 A A O H PHE SER 30 32 1.55 5 B B O H PHE SER 30 32 1.55 6 B B O HG1 CYS THR 59 60 1.45 6 A A O HG1 CYS THR 59 60 1.46 6 B B O H PRO PHE 47 49 1.57 6 A A O H PRO PHE 47 49 1.58 7 B B O H PRO PHE 47 49 1.54 7 A A O H PRO PHE 47 49 1.54 7 B B H O ILE THR 20 45 1.55 7 A A H O ILE THR 20 45 1.56 8 A A H O LYS GLU 24 39 1.54 8 B B H O LYS GLU 24 39 1.55 9 A A O H PHE ILE 30 33 1.48 9 B B O H PHE ILE 30 33 1.49 9 A A O H PRO PHE 47 49 1.54 9 B B O H PRO PHE 47 49 1.54 10 A A O H PRO PHE 47 49 1.48 10 B B O H PRO PHE 47 49 1.49 10 A A O H CYS GLY 31 35 1.58 10 B B O H CYS GLY 31 35 1.58 1 A ARG 1 0.284 SIDE CHAIN 1 A ARG 34 0.287 SIDE CHAIN 1 A ARG 50 0.278 SIDE CHAIN 1 A ARG 54 0.302 SIDE CHAIN 1 B ARG 1 0.285 SIDE CHAIN 1 B ARG 34 0.288 SIDE CHAIN 1 B ARG 50 0.273 SIDE CHAIN 1 B ARG 54 0.300 SIDE CHAIN 2 A ARG 1 0.248 SIDE CHAIN 2 A ARG 34 0.196 SIDE CHAIN 2 A ARG 50 0.138 SIDE CHAIN 2 A ARG 54 0.315 SIDE CHAIN 2 B ARG 1 0.247 SIDE CHAIN 2 B ARG 34 0.195 SIDE CHAIN 2 B ARG 50 0.136 SIDE CHAIN 2 B ARG 54 0.315 SIDE CHAIN 3 A ARG 1 0.262 SIDE CHAIN 3 A ARG 34 0.315 SIDE CHAIN 3 A ARG 50 0.311 SIDE CHAIN 3 A ARG 54 0.160 SIDE CHAIN 3 B ARG 1 0.262 SIDE CHAIN 3 B ARG 34 0.315 SIDE CHAIN 3 B ARG 50 0.311 SIDE CHAIN 3 B ARG 54 0.160 SIDE CHAIN 4 A ARG 1 0.312 SIDE CHAIN 4 A ARG 34 0.317 SIDE CHAIN 4 A ARG 50 0.199 SIDE CHAIN 4 A ARG 54 0.319 SIDE CHAIN 4 B ARG 1 0.311 SIDE CHAIN 4 B ARG 34 0.317 SIDE CHAIN 4 B ARG 50 0.201 SIDE CHAIN 4 B ARG 54 0.319 SIDE CHAIN 5 A ARG 1 0.186 SIDE CHAIN 5 A ARG 34 0.234 SIDE CHAIN 5 A ARG 50 0.318 SIDE CHAIN 5 A ARG 54 0.307 SIDE CHAIN 5 B ARG 1 0.185 SIDE CHAIN 5 B ARG 34 0.235 SIDE CHAIN 5 B ARG 50 0.318 SIDE CHAIN 5 B ARG 54 0.306 SIDE CHAIN 6 A ARG 1 0.219 SIDE CHAIN 6 A ARG 34 0.214 SIDE CHAIN 6 A ARG 50 0.237 SIDE CHAIN 6 A ARG 54 0.284 SIDE CHAIN 6 B ARG 1 0.220 SIDE CHAIN 6 B ARG 34 0.214 SIDE CHAIN 6 B ARG 50 0.237 SIDE CHAIN 6 B ARG 54 0.284 SIDE CHAIN 7 A ARG 1 0.305 SIDE CHAIN 7 A ARG 34 0.257 SIDE CHAIN 7 A ARG 50 0.175 SIDE CHAIN 7 A ARG 54 0.225 SIDE CHAIN 7 B ARG 1 0.305 SIDE CHAIN 7 B ARG 34 0.256 SIDE CHAIN 7 B ARG 50 0.176 SIDE CHAIN 7 B ARG 54 0.225 SIDE CHAIN 8 A ARG 1 0.269 SIDE CHAIN 8 A ARG 34 0.251 SIDE CHAIN 8 A ARG 50 0.313 SIDE CHAIN 8 A ARG 54 0.306 SIDE CHAIN 8 B ARG 1 0.270 SIDE CHAIN 8 B ARG 34 0.252 SIDE CHAIN 8 B ARG 50 0.313 SIDE CHAIN 8 B ARG 54 0.306 SIDE CHAIN 9 A ARG 1 0.301 SIDE CHAIN 9 A ARG 34 0.302 SIDE CHAIN 9 A ARG 54 0.266 SIDE CHAIN 9 B ARG 1 0.300 SIDE CHAIN 9 B ARG 34 0.303 SIDE CHAIN 9 B ARG 54 0.265 SIDE CHAIN 10 A ARG 1 0.143 SIDE CHAIN 10 A ARG 34 0.318 SIDE CHAIN 10 A ARG 50 0.228 SIDE CHAIN 10 A ARG 54 0.266 SIDE CHAIN 10 B ARG 1 0.141 SIDE CHAIN 10 B ARG 34 0.318 SIDE CHAIN 10 B ARG 50 0.228 SIDE CHAIN 10 B ARG 54 0.266 SIDE CHAIN 1 A THR 2 -155.05 -155.65 1 A SER 6 175.26 -60.06 1 A PRO 7 -67.92 -93.96 1 A GLN 12 -160.75 7.60 1 A THR 13 -90.22 -152.90 1 A CYS 14 168.64 57.60 1 A LYS 29 63.20 121.51 1 A PHE 30 70.88 -44.33 1 A CYS 31 49.09 24.68 1 A SER 32 -159.98 17.55 1 A ALA 44 -53.41 -91.31 1 A GLN 48 -65.22 51.85 1 A PHE 49 36.07 -162.12 1 A ARG 50 -172.66 138.36 1 A TYR 53 -106.24 -168.37 1 A SER 55 168.97 109.60 1 A THR 60 50.73 19.13 1 B THR 2 -155.44 -155.74 1 B SER 6 175.14 -59.60 1 B PRO 7 -68.62 -93.17 1 B GLN 12 -160.88 7.44 1 B THR 13 -90.26 -153.14 1 B CYS 14 168.86 57.85 1 B LYS 29 62.68 121.92 1 B PHE 30 70.33 -43.98 1 B CYS 31 49.03 24.42 1 B SER 32 -159.51 17.13 1 B ALA 44 -53.79 -92.13 1 B GLN 48 -64.98 52.05 1 B PHE 49 35.77 -162.22 1 B ARG 50 -172.26 138.51 1 B TYR 53 -106.03 -168.88 1 B SER 55 168.84 109.26 1 B THR 60 50.56 19.35 2 A THR 2 -142.61 -93.82 2 A CYS 3 -115.43 -74.43 2 A PRO 11 -67.92 -140.04 2 A GLN 12 -162.00 98.76 2 A ASN 16 -136.37 -143.97 2 A GLN 18 49.04 103.71 2 A ASP 19 -97.20 53.91 2 A ASP 28 -152.29 -138.17 2 A LYS 29 -39.77 121.31 2 A PHE 30 72.30 -36.83 2 A CYS 31 54.29 16.16 2 A SER 32 -141.57 -3.91 2 A ILE 33 -129.83 -51.16 2 A ARG 34 -159.11 50.50 2 A VAL 43 -131.11 -95.80 2 A ALA 44 178.28 -39.29 2 A GLN 48 -65.30 64.45 2 A PHE 49 -9.73 124.33 2 A SER 51 -75.86 46.84 2 A TYR 53 -108.02 -162.43 2 A SER 55 162.78 133.65 2 A THR 60 49.37 25.53 2 A THR 61 -153.42 -94.27 2 B THR 2 -142.85 -94.24 2 B CYS 3 -115.12 -74.56 2 B PRO 11 -67.95 -140.04 2 B GLN 12 -162.07 98.59 2 B ASN 16 -136.19 -144.15 2 B GLN 18 48.70 103.70 2 B ASP 19 -97.08 54.45 2 B ASP 28 -151.92 -137.79 2 B LYS 29 -39.85 121.40 2 B PHE 30 72.00 -36.82 2 B CYS 31 54.53 16.17 2 B SER 32 -141.69 -4.13 2 B ILE 33 -129.58 -51.09 2 B ARG 34 -159.08 50.55 2 B VAL 43 -131.29 -95.94 2 B ALA 44 178.29 -38.57 2 B GLN 48 -65.74 64.56 2 B PHE 49 -9.69 124.34 2 B SER 51 -75.83 47.00 2 B TYR 53 -107.91 -162.59 2 B SER 55 162.84 134.35 2 B THR 60 48.84 25.37 2 B THR 61 -153.20 -94.46 3 A SER 6 59.03 -178.93 3 A GLN 12 -147.03 42.89 3 A THR 13 -113.62 -131.23 3 A CYS 14 47.42 81.43 3 A ASP 19 -86.13 -123.68 3 A ILE 20 63.96 109.73 3 A LYS 29 74.46 123.78 3 A VAL 43 -155.25 -68.28 3 A ALA 44 176.71 -68.75 3 A PRO 47 -69.81 -178.31 3 A GLN 48 -60.67 62.47 3 A TYR 53 -98.05 -148.12 3 A SER 55 165.77 113.31 3 A THR 60 44.73 27.44 3 B SER 6 59.21 -179.23 3 B GLN 12 -147.10 42.79 3 B THR 13 -113.50 -131.31 3 B CYS 14 47.39 81.31 3 B ASP 19 -86.19 -123.76 3 B ILE 20 63.97 109.95 3 B LYS 29 74.28 123.79 3 B VAL 43 -155.10 -68.21 3 B ALA 44 176.66 -68.82 3 B PRO 47 -69.86 -178.59 3 B GLN 48 -60.40 62.29 3 B TYR 53 -98.06 -147.83 3 B SER 55 165.75 113.33 3 B THR 60 45.07 27.27 4 A CYS 3 -125.41 -58.91 4 A ILE 5 -157.30 -43.70 4 A PRO 7 -77.36 -99.18 4 A THR 10 -119.50 -84.73 4 A GLN 12 -156.68 29.44 4 A CYS 14 165.14 62.24 4 A PRO 15 -73.55 48.60 4 A LYS 29 56.85 84.55 4 A PHE 30 58.31 93.87 4 A CYS 31 -42.33 152.36 4 A ALA 44 -49.30 -87.45 4 A GLN 48 -67.03 52.89 4 A PHE 49 32.62 -161.41 4 A TYR 53 -120.70 -158.14 4 A SER 55 159.46 106.82 4 B CYS 3 -124.83 -59.08 4 B ILE 5 -157.54 -43.49 4 B PRO 7 -77.78 -98.70 4 B THR 10 -119.53 -84.62 4 B GLN 12 -156.55 29.68 4 B CYS 14 165.61 62.18 4 B PRO 15 -73.38 48.70 4 B LYS 29 56.74 84.63 4 B PHE 30 58.21 93.81 4 B CYS 31 -42.20 152.03 4 B ALA 44 -48.93 -87.01 4 B GLN 48 -67.29 52.82 4 B PHE 49 32.75 -162.02 4 B TYR 53 -120.76 -158.30 4 B SER 55 159.14 106.76 4 B THR 60 49.86 22.36 5 A ILE 5 -160.37 -34.05 5 A SER 9 68.96 69.55 5 A THR 13 -53.19 -172.08 5 A ASN 16 65.26 -132.10 5 A ILE 20 53.01 96.62 5 A LYS 29 44.93 84.75 5 A PHE 30 63.82 92.98 5 A CYS 31 -63.83 53.61 5 A SER 32 -169.93 26.35 5 A GLN 48 -63.21 60.89 5 A PHE 49 -45.72 106.93 5 A SER 51 -76.86 28.88 5 A TYR 53 -110.76 -158.13 5 A SER 55 179.14 101.26 5 A THR 60 52.69 18.01 5 B ILE 5 -160.20 -34.10 5 B SER 9 68.86 69.62 5 B THR 13 -53.21 -172.26 5 B ASN 16 65.48 -132.38 5 B ILE 20 53.23 96.39 5 B LYS 29 44.92 84.70 5 B PHE 30 64.16 92.86 5 B CYS 31 -64.05 54.05 5 B SER 32 -170.33 26.35 5 B GLN 48 -63.01 60.89 5 B PHE 49 -45.89 106.77 5 B SER 51 -76.83 28.82 5 B TYR 53 -110.67 -157.94 5 B SER 55 179.00 101.58 5 B THR 60 52.65 17.94 6 A SER 6 59.15 157.81 6 A SER 8 71.73 39.63 6 A SER 9 -168.88 104.01 6 A PRO 11 -66.15 -137.52 6 A GLN 12 -166.17 92.69 6 A THR 13 -72.42 -134.86 6 A CYS 14 -170.13 145.24 6 A ASN 16 -168.57 -36.84 6 A CYS 27 -60.89 89.47 6 A LYS 29 64.80 62.48 6 A PHE 30 72.25 32.21 6 A CYS 31 -29.23 91.30 6 A SER 32 176.63 -32.87 6 A ARG 34 -152.40 46.60 6 A ILE 38 -140.71 -74.70 6 A VAL 43 -155.08 -77.19 6 A ALA 44 -164.81 -71.23 6 A GLN 48 -68.07 62.26 6 A PHE 49 -5.84 117.53 6 A SER 51 -74.38 46.16 6 A TYR 53 -107.44 -167.37 6 A SER 55 -179.19 122.49 6 A THR 60 69.12 -7.15 6 A ASP 62 44.06 -159.45 6 A ASN 63 -96.65 41.98 6 A CYS 64 83.77 -44.89 6 B SER 6 58.90 157.68 6 B SER 8 71.86 39.57 6 B SER 9 -168.71 103.85 6 B PRO 11 -66.15 -137.48 6 B GLN 12 -166.21 93.03 6 B THR 13 -72.49 -135.00 6 B ASN 16 -168.99 -36.63 6 B CYS 27 -60.85 89.34 6 B LYS 29 64.52 62.73 6 B PHE 30 71.95 32.27 6 B CYS 31 -29.28 91.08 6 B SER 32 176.88 -32.78 6 B ARG 34 -152.58 46.54 6 B ILE 38 -140.79 -74.99 6 B VAL 43 -155.48 -76.97 6 B ALA 44 -164.78 -71.52 6 B GLN 48 -67.58 61.87 6 B PHE 49 -5.67 117.28 6 B SER 51 -74.54 46.46 6 B TYR 53 -107.29 -167.64 6 B SER 55 -179.18 122.74 6 B THR 60 69.15 -7.55 6 B ASP 62 44.06 -159.44 6 B ASN 63 -96.53 42.03 6 B CYS 64 83.55 -44.84 7 A THR 2 -160.42 -135.44 7 A CYS 3 -150.49 -39.35 7 A LEU 4 -134.84 -147.26 7 A ILE 5 -161.88 -156.71 7 A SER 9 -156.06 -124.17 7 A GLN 12 -165.19 -15.90 7 A GLN 18 -140.67 -35.94 7 A ILE 20 -39.42 169.33 7 A CYS 21 -27.86 100.80 7 A GLN 26 -151.83 -136.08 7 A CYS 27 -172.82 130.99 7 A LYS 29 44.59 95.00 7 A PHE 30 78.59 -33.51 7 A CYS 31 43.77 28.08 7 A SER 32 -143.66 -10.97 7 A ILE 33 -125.40 -72.79 7 A VAL 43 -166.48 -82.31 7 A ALA 44 175.74 -34.94 7 A GLN 48 -68.93 61.09 7 A PHE 49 -4.84 111.61 7 A SER 51 -76.68 47.31 7 A TYR 53 -102.76 -168.59 7 A SER 55 -178.68 124.17 7 A ASP 62 60.25 -172.58 7 A ASN 63 -90.44 30.86 7 A CYS 64 50.53 17.09 7 B THR 2 -160.22 -135.34 7 B CYS 3 -150.63 -39.30 7 B LEU 4 -134.93 -147.20 7 B ILE 5 -161.89 -156.90 7 B SER 9 -155.52 -124.17 7 B GLN 12 -165.24 -15.87 7 B GLN 18 -140.92 -36.20 7 B ILE 20 -39.68 169.50 7 B CYS 21 -28.08 100.93 7 B GLN 26 -151.17 -135.88 7 B CYS 27 -172.92 130.76 7 B LYS 29 44.77 94.75 7 B PHE 30 78.97 -33.82 7 B CYS 31 43.81 28.48 7 B SER 32 -143.94 -11.25 7 B ILE 33 -125.52 -72.55 7 B VAL 43 -166.90 -82.14 7 B ALA 44 175.80 -35.73 7 B GLN 48 -68.82 61.11 7 B PHE 49 -4.77 110.93 7 B SER 51 -76.32 47.36 7 B TYR 53 -102.94 -168.37 7 B SER 55 -178.58 124.48 7 B ASP 62 60.29 -172.39 7 B ASN 63 -90.82 31.09 7 B CYS 64 50.24 16.84 8 A THR 2 -125.61 -164.68 8 A ILE 5 -151.42 47.24 8 A SER 9 64.92 81.70 8 A ASN 16 -179.18 -30.03 8 A LYS 29 59.06 104.03 8 A PHE 30 76.32 -48.77 8 A CYS 31 45.05 25.74 8 A SER 32 -155.13 -7.51 8 A ILE 33 -125.89 -53.32 8 A ARG 34 -158.90 47.24 8 A VAL 43 -162.80 -55.99 8 A ALA 44 171.85 -76.15 8 A PHE 49 -18.02 112.00 8 A SER 51 -74.30 41.81 8 A SER 55 163.24 135.00 8 A THR 61 -124.37 -168.37 8 A ASP 62 -65.82 -116.18 8 A CYS 64 74.38 -53.35 8 B THR 2 -125.66 -164.71 8 B ILE 5 -151.56 47.32 8 B SER 9 64.86 81.92 8 B ASN 16 -179.20 -30.03 8 B LYS 29 59.44 103.84 8 B PHE 30 76.36 -48.50 8 B CYS 31 44.78 25.77 8 B SER 32 -155.19 -7.30 8 B ILE 33 -126.13 -53.26 8 B ARG 34 -158.90 47.18 8 B VAL 43 -162.83 -55.88 8 B ALA 44 171.82 -76.01 8 B PHE 49 -17.95 112.09 8 B SER 51 -74.28 41.66 8 B SER 55 163.27 134.97 8 B THR 61 -124.19 -168.53 8 B ASP 62 -65.69 -116.13 8 B CYS 64 74.21 -53.25 9 A GLN 12 -157.35 85.56 9 A CYS 21 -172.03 106.92 9 A LYS 29 67.44 61.88 9 A PHE 30 -166.90 -34.48 9 A CYS 31 -38.25 -30.89 9 A VAL 43 -88.53 -86.18 9 A ALA 44 -156.35 -67.60 9 A GLN 48 -64.20 63.57 9 A PHE 49 -38.00 117.07 9 A TYR 53 -100.93 -151.02 9 A SER 55 163.23 124.06 9 A CYS 59 -118.92 76.17 9 B GLN 12 -158.00 85.59 9 B CYS 21 -172.24 107.95 9 B LYS 29 67.80 61.79 9 B PHE 30 -166.90 -34.49 9 B CYS 31 -38.31 -30.99 9 B VAL 43 -87.95 -86.56 9 B ALA 44 -155.99 -67.30 9 B GLN 48 -64.37 63.61 9 B PHE 49 -37.98 116.76 9 B TYR 53 -101.63 -150.66 9 B SER 55 163.20 123.53 9 B CYS 59 -118.78 76.73 10 A SER 6 71.46 166.27 10 A SER 9 39.99 69.67 10 A GLN 12 -134.61 -96.42 10 A CYS 14 177.95 72.37 10 A ASN 16 -159.64 -52.84 10 A CYS 21 175.18 140.64 10 A LYS 29 30.30 82.34 10 A PHE 30 48.34 82.35 10 A CYS 31 -39.82 -27.49 10 A VAL 43 -138.38 -52.29 10 A ALA 44 169.71 -85.62 10 A GLN 48 -61.08 61.26 10 A PHE 49 -38.38 135.92 10 A TYR 53 -119.66 -155.36 10 A SER 55 167.25 105.13 10 A THR 60 47.48 25.40 10 A ASP 62 60.60 147.75 10 B SER 6 71.34 166.06 10 B SER 9 39.91 69.94 10 B GLN 12 -134.70 -96.73 10 B CYS 14 177.96 72.55 10 B ASN 16 -159.78 -52.32 10 B CYS 21 174.87 140.64 10 B LYS 29 30.02 82.13 10 B PHE 30 48.23 82.63 10 B CYS 31 -39.87 -27.31 10 B VAL 43 -138.14 -52.16 10 B ALA 44 169.83 -85.31 10 B GLN 48 -61.25 61.44 10 B PHE 49 -38.35 135.95 10 B TYR 53 -119.71 -155.11 10 B SER 55 167.07 105.26 10 B THR 60 47.67 24.63 10 B ASP 62 60.27 147.64 model building X-PLOR refinement X-PLOR phasing X-PLOR NEURONAL BUNGAROTOXIN, NMR, 10 STRUCTURES 1 N N 1 N N disulf 2.020 A CYS 3 A SG CYS 3 1_555 A CYS 21 A SG CYS 21 1_555 disulf 2.020 A CYS 14 A SG CYS 14 1_555 A CYS 42 A SG CYS 42 1_555 disulf 2.022 A CYS 27 A SG CYS 27 1_555 A CYS 31 A SG CYS 31 1_555 disulf 2.028 A CYS 46 A SG CYS 46 1_555 A CYS 58 A SG CYS 58 1_555 disulf 2.019 A CYS 59 A SG CYS 59 1_555 A CYS 64 A SG CYS 64 1_555 disulf 2.022 B CYS 3 B SG CYS 3 1_555 B CYS 21 B SG CYS 21 1_555 disulf 2.022 B CYS 14 B SG CYS 14 1_555 B CYS 42 B SG CYS 42 1_555 disulf 2.020 B CYS 27 B SG CYS 27 1_555 B CYS 31 B SG CYS 31 1_555 disulf 2.030 B CYS 46 B SG CYS 46 1_555 B CYS 58 B SG CYS 58 1_555 disulf 2.021 B CYS 59 B SG CYS 59 1_555 B CYS 64 B SG CYS 64 1_555 TOXIN TOXIN, VENOM, NEUROTOXIN NXL1_BUNMU UNP 1 1 P01398 MKTLLLTLVVVTIVCLDLGYTRTCLISPSSTPQTCPNGQDICFLKAQCDKFCSIRGPVIEQGCVATCPQFRSNYRSLLCC TTDNCNH 22 87 2NBT 1 66 P01398 A 1 1 66 22 87 2NBT 1 66 P01398 B 1 1 66 6 anti-parallel anti-parallel anti-parallel anti-parallel anti-parallel A VAL 37 A VAL 37 A GLY 41 A GLY 41 A CYS 21 A CYS 21 A GLN 26 A GLN 26 A SER 55 A SER 55 A CYS 59 A CYS 59 B SER 55 B SER 55 B CYS 59 B CYS 59 B CYS 21 B CYS 21 B GLN 26 B GLN 26 B VAL 37 B VAL 37 B GLY 41 B GLY 41 1 P 1