1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Scherf, T. Balass, M. Fuchs, S. Katchalski-Katzir, E. Anglister, J. 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 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 Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 94 6059 6064 10.1073/pnas.94.12.6059 9177168 Three-dimensional solution structure of the complex of alpha-bungarotoxin with a library-derived peptide. 1997 US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 94 6054 The Alpha-Bungarotoxin Binding Site on the Nicotinic Acetylcholine Receptor: Analysis Using a Phage-Epitope Library 1997 10.2210/pdb1bxp/pdb pdb_00001bxp 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 1640.814 PEPTIDE MET-ARG-TYR-TYR-GLU-SER-SER-LEU-LYS-SER-TYR-PRO-ASP 1 man polymer no no IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG A polypeptide(L) no no MRYYESSLKSYPD MRYYESSLKSYPD 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 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 1999-01-27 1 1 2008-03-24 1 2 2011-07-13 1 3 2022-02-16 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site Y BNL 1998-08-23 REL REL THE STRUCTURE WAS DETERMINED USING 2D 1H-NMR NO NOE VIOLATIONS,OVERALL ENERGY 20 20 COSY DQF-COSY TOCSY NOESY 5.8 303 K DETAILS OF THE STRUCTURE DETERMINATION AND ALL STRUCTURAL STATISTICS ARE GIVEN IN THE PAPER CITED ON *JRNL* RECORDS ABOVE. THE STRUCTURES ARE BASED ON 941 INTRAMOLECULAR CONSTRAINTS WITHIN THE BOUND TOXIN (INCLUDING 291 LONG-RANGE INTERACTIONS), 98 INTRAPEPTIDE INTERACTIONS (INCLUDING 7 LONG-RANGE INTERACTIONS), AND 62 INTERMOLECULAR CONSTRAINTS BETWEEN THE BUNGAROTOXIN AND THE 13-RESIDUE PEPTIDE USED IN THIS STUDY (LISTED HERE AS RESIDUES 75 B - 87 B). DISTANCE GEOMETRY/ DYNAMICAL SIMMULATED ANNEALING BRUNGER refinement X-PLOR 3.1 structure solution X-PLOR 500 Bruker AM500 600 Bruker DMX600 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 MET 1 n 1 MET 1 B ARG 2 n 2 ARG 2 B TYR 3 n 3 TYR 3 B TYR 4 n 4 TYR 4 B GLU 5 n 5 GLU 5 B SER 6 n 6 SER 6 B SER 7 n 7 SER 7 B LEU 8 n 8 LEU 8 B LYS 9 n 9 LYS 9 B SER 10 n 10 SER 10 B TYR 11 n 11 TYR 11 B PRO 12 n 12 PRO 12 B ASP 13 n 13 ASP 13 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 CYS 3 A O CYS 3 A N VAL 14 A N VAL 14 A O LEU 22 A O LEU 22 A N ALA 45 A N ALA 45 1 A ARG 25 0.313 SIDE CHAIN 1 A ARG 36 0.216 SIDE CHAIN 1 A ARG 72 0.231 SIDE CHAIN 1 B ARG 2 0.212 SIDE CHAIN 2 A ARG 25 0.291 SIDE CHAIN 2 A ARG 36 0.079 SIDE CHAIN 2 A ARG 72 0.317 SIDE CHAIN 2 B ARG 2 0.308 SIDE CHAIN 3 A ARG 25 0.314 SIDE CHAIN 3 A ARG 36 0.316 SIDE CHAIN 3 A ARG 72 0.290 SIDE CHAIN 3 B ARG 2 0.225 SIDE CHAIN 4 A ARG 25 0.166 SIDE CHAIN 4 A ARG 36 0.107 SIDE CHAIN 4 A ARG 72 0.129 SIDE CHAIN 4 B ARG 2 0.305 SIDE CHAIN 5 A ARG 25 0.129 SIDE CHAIN 5 A ARG 36 0.257 SIDE CHAIN 5 A ARG 72 0.201 SIDE CHAIN 5 B ARG 2 0.209 SIDE CHAIN 6 A ARG 25 0.191 SIDE CHAIN 6 A ARG 36 0.317 SIDE CHAIN 6 A ARG 72 0.317 SIDE CHAIN 6 B ARG 2 0.317 SIDE CHAIN 7 A ARG 25 0.183 SIDE CHAIN 7 A ARG 36 0.097 SIDE CHAIN 7 B ARG 2 0.315 SIDE CHAIN 8 A ARG 25 0.239 SIDE CHAIN 8 A ARG 36 0.213 SIDE CHAIN 8 A ARG 72 0.316 SIDE CHAIN 8 B ARG 2 0.292 SIDE CHAIN 9 A ARG 25 0.314 SIDE CHAIN 9 A ARG 36 0.223 SIDE CHAIN 9 A ARG 72 0.289 SIDE CHAIN 9 B ARG 2 0.202 SIDE CHAIN 10 A ARG 25 0.229 SIDE CHAIN 10 A ARG 36 0.190 SIDE CHAIN 10 A ARG 72 0.128 SIDE CHAIN 10 B ARG 2 0.299 SIDE CHAIN 11 A ARG 25 0.266 SIDE CHAIN 11 A ARG 36 0.314 SIDE CHAIN 11 A ARG 72 0.228 SIDE CHAIN 12 A ARG 25 0.316 SIDE CHAIN 12 A ARG 36 0.300 SIDE CHAIN 12 A ARG 72 0.233 SIDE CHAIN 12 B ARG 2 0.196 SIDE CHAIN 13 A ARG 25 0.217 SIDE CHAIN 13 A ARG 36 0.278 SIDE CHAIN 13 A ARG 72 0.263 SIDE CHAIN 13 B ARG 2 0.221 SIDE CHAIN 14 A ARG 25 0.309 SIDE CHAIN 14 A ARG 36 0.303 SIDE CHAIN 14 A ARG 72 0.219 SIDE CHAIN 14 B ARG 2 0.296 SIDE CHAIN 15 A ARG 25 0.119 SIDE CHAIN 15 A ARG 36 0.138 SIDE CHAIN 15 A ARG 72 0.281 SIDE CHAIN 15 B ARG 2 0.305 SIDE CHAIN 16 A ARG 25 0.316 SIDE CHAIN 16 A ARG 36 0.302 SIDE CHAIN 16 A ARG 72 0.276 SIDE CHAIN 16 B ARG 2 0.318 SIDE CHAIN 17 A ARG 25 0.316 SIDE CHAIN 17 A ARG 36 0.317 SIDE CHAIN 17 A ARG 72 0.316 SIDE CHAIN 17 B ARG 2 0.225 SIDE CHAIN 18 A ARG 25 0.203 SIDE CHAIN 18 A ARG 36 0.277 SIDE CHAIN 18 A ARG 72 0.229 SIDE CHAIN 18 B ARG 2 0.232 SIDE CHAIN 19 A ARG 25 0.295 SIDE CHAIN 19 A ARG 36 0.313 SIDE CHAIN 19 A ARG 72 0.102 SIDE CHAIN 19 B ARG 2 0.274 SIDE CHAIN 20 A ARG 25 0.248 SIDE CHAIN 20 A ARG 36 0.104 SIDE CHAIN 20 A ARG 72 0.121 SIDE CHAIN 20 B ARG 2 0.192 SIDE CHAIN 1 A SER 9 -171.19 -59.50 1 A PRO 10 -100.15 -96.15 1 A ILE 11 166.18 121.25 1 A LEU 22 -162.32 -154.62 1 A TRP 28 -168.88 -96.13 1 A CYS 29 -172.90 143.82 1 A ASP 30 -90.67 -158.45 1 A CYS 33 -42.99 94.87 1 A LYS 38 -91.39 -146.88 1 A VAL 39 -114.15 -149.36 1 A VAL 40 -156.85 84.28 1 A THR 47 -170.27 138.83 1 A CYS 48 -39.69 97.03 1 A SER 50 53.98 119.36 1 A LYS 51 -172.32 47.97 1 A PRO 53 -86.30 -90.85 1 A CYS 60 -172.40 119.83 1 A ASP 63 -45.09 95.19 1 A LYS 70 -99.40 -81.76 1 A ARG 72 -41.22 101.12 1 B TYR 3 -97.34 58.41 1 B TYR 4 -65.63 -173.35 1 B GLU 5 -84.92 36.76 1 B SER 6 176.79 35.92 1 B SER 7 173.79 145.11 1 B LEU 8 -140.36 37.96 1 B SER 10 36.13 50.69 2 A THR 8 -98.42 -91.50 2 A SER 9 -68.97 -160.75 2 A ILE 11 178.42 113.84 2 A TRP 28 -177.99 -98.68 2 A CYS 33 -42.19 100.14 2 A LYS 38 -91.35 -144.03 2 A VAL 39 -115.07 -151.82 2 A GLU 41 -110.79 77.63 2 A ALA 45 -170.02 150.00 2 A CYS 48 -40.16 99.93 2 A LYS 51 -170.15 51.42 2 A LYS 52 -170.33 114.99 2 A PRO 53 -76.25 39.30 2 A TYR 54 -140.39 -37.74 2 A GLU 55 -79.50 -169.35 2 A GLU 56 -162.05 54.59 2 A CYS 60 -171.19 125.76 2 A PRO 69 -61.94 87.76 2 A LYS 70 -90.73 -88.46 2 B TYR 3 -97.88 53.66 2 B TYR 4 -65.63 -168.72 2 B SER 6 167.28 -18.07 2 B LEU 8 -140.47 58.47 2 B SER 10 39.21 31.00 3 A THR 8 -98.87 -92.40 3 A SER 9 -69.32 -166.55 3 A ILE 11 179.72 110.21 3 A TRP 28 -165.32 -99.57 3 A ASP 30 -150.53 -139.38 3 A CYS 33 41.25 74.83 3 A SER 34 -162.06 -125.55 3 A VAL 39 -69.35 -147.04 3 A CYS 48 -39.74 99.51 3 A PRO 53 -74.77 -89.66 3 A TYR 54 -141.00 20.91 3 A CYS 60 -171.94 98.21 3 A HIS 68 -45.84 154.34 3 A LYS 70 -165.78 77.59 3 A GLN 71 -119.55 67.42 3 A ARG 72 -34.97 131.50 3 B ARG 2 170.82 169.21 3 B TYR 3 -97.97 53.00 3 B TYR 4 -66.40 -175.46 3 B SER 7 162.98 -177.32 3 B SER 10 -40.28 92.94 3 B PRO 12 -74.19 -160.05 4 A THR 8 -97.91 -90.23 4 A SER 9 -69.32 -165.64 4 A ILE 11 176.35 115.88 4 A THR 15 -47.72 162.38 4 A PRO 18 -68.48 96.37 4 A TRP 28 -142.79 -94.58 4 A CYS 29 179.11 102.40 4 A SER 34 -69.40 72.94 4 A SER 35 -173.59 -39.35 4 A LYS 38 -90.92 -156.52 4 A VAL 39 -101.97 -144.44 4 A VAL 40 -162.16 105.26 4 A THR 47 -170.18 148.79 4 A CYS 48 -39.93 98.69 4 A LYS 51 -171.27 57.87 4 A LYS 52 -170.56 103.14 4 A GLU 55 -113.23 -161.04 4 A GLU 56 -170.34 124.91 4 A CYS 65 -92.20 31.20 4 A PRO 69 -62.69 87.74 4 A LYS 70 -82.45 -86.89 4 B TYR 4 -65.39 -170.81 4 B SER 6 -160.33 15.72 4 B SER 7 165.32 139.96 4 B LYS 9 -86.75 49.79 4 B SER 10 41.20 90.39 4 B PRO 12 -74.21 -164.25 5 A THR 8 -99.34 -118.30 5 A PRO 10 -99.04 -96.87 5 A ILE 11 166.35 122.84 5 A PRO 18 -77.85 -155.64 5 A GLU 20 -165.49 27.61 5 A TRP 28 -168.11 -96.37 5 A ASP 30 -111.93 -114.67 5 A ALA 31 -44.10 -81.20 5 A PHE 32 -140.24 45.40 5 A CYS 33 55.67 93.69 5 A LYS 38 -92.12 -155.93 5 A VAL 39 -105.08 -156.00 5 A VAL 40 -152.22 80.35 5 A SER 50 -152.93 15.28 5 A LYS 52 -163.29 94.77 5 A PRO 53 -66.10 1.81 5 A THR 62 -97.81 -152.80 5 A PRO 69 -69.57 84.71 5 A GLN 71 -103.03 55.77 5 B ARG 2 61.47 -167.88 5 B TYR 3 -98.24 38.24 5 B TYR 4 -65.91 -163.94 5 B SER 6 -153.48 -42.07 5 B SER 7 179.32 -161.38 5 B LYS 9 -151.02 55.40 5 B SER 10 -20.29 86.65 6 A THR 8 -99.94 -84.16 6 A SER 9 -171.34 -60.52 6 A ILE 11 77.23 113.33 6 A TRP 28 -169.69 -96.14 6 A ALA 31 56.47 -89.68 6 A CYS 33 48.05 105.27 6 A SER 34 -69.89 -140.60 6 A LYS 38 -91.96 -133.15 6 A VAL 39 -132.01 -153.10 6 A VAL 40 -155.64 81.45 6 A CYS 48 -41.09 100.82 6 A SER 50 -91.91 -88.91 6 A LYS 52 -143.18 -67.76 6 A PRO 53 -73.36 -89.99 6 A CYS 60 -172.51 80.63 6 A SER 61 -102.40 51.04 6 A ASP 63 -46.16 92.29 6 A LYS 64 36.38 70.73 6 A CYS 65 -90.65 34.98 6 A HIS 68 -38.38 157.29 6 A LYS 70 -150.56 11.18 6 A GLN 71 -69.27 81.68 6 A ARG 72 57.67 128.27 6 B TYR 3 -97.86 51.44 6 B TYR 4 -66.59 -168.50 6 B SER 6 -159.29 33.86 6 B SER 7 163.28 96.74 7 A THR 8 -98.96 -92.36 7 A SER 9 -69.30 -168.51 7 A ILE 11 -178.94 108.78 7 A PRO 18 -80.74 -87.74 7 A ASP 30 -99.25 -94.85 7 A ALA 31 -42.03 -91.68 7 A SER 34 -171.09 23.89 7 A SER 35 -97.64 -68.61 7 A ARG 36 -148.13 53.82 7 A VAL 39 -67.95 -148.71 7 A CYS 48 -42.35 105.31 7 A LYS 52 -160.67 -64.49 7 A PRO 53 -72.49 -88.52 7 A CYS 60 -170.29 141.50 7 A HIS 68 -47.02 151.80 7 A LYS 70 -164.74 38.98 7 B TYR 3 -98.07 51.31 7 B TYR 4 -66.14 -175.82 7 B SER 7 161.47 173.00 7 B SER 10 -39.81 93.12 8 A THR 8 -104.11 -85.63 8 A SER 9 -171.52 -59.59 8 A ILE 11 75.89 115.22 8 A PRO 18 -80.43 -90.86 8 A CYS 33 48.62 80.78 8 A VAL 39 -67.09 -141.51 8 A VAL 40 -161.46 104.06 8 A ALA 45 -170.19 147.74 8 A CYS 48 -38.30 93.48 8 A LYS 52 -170.20 -61.77 8 A PRO 53 -72.48 -89.40 8 A CYS 60 -171.68 108.29 8 A LYS 70 168.95 63.78 8 A ARG 72 30.51 82.97 8 B TYR 3 -97.89 44.79 8 B TYR 4 -66.12 -169.62 8 B SER 7 159.44 158.61 8 B LEU 8 -140.40 17.19 8 B LYS 9 -106.49 56.39 8 B PRO 12 -73.52 -160.28 9 A PRO 10 -87.24 -156.92 9 A ILE 11 -163.98 114.81 9 A TRP 28 -178.99 -96.95 9 A CYS 29 175.62 126.49 9 A ALA 31 -48.05 -19.97 9 A CYS 33 44.92 75.05 9 A LYS 38 -91.29 -131.36 9 A VAL 39 -126.42 -165.18 9 A VAL 40 -152.12 79.54 9 A ALA 45 -170.04 144.69 9 A CYS 48 -39.94 99.72 9 A SER 50 -149.23 13.41 9 A PRO 53 -66.65 6.15 9 A CYS 60 -171.11 118.32 9 A HIS 68 -43.43 164.68 9 A LYS 70 -170.39 89.32 9 A ARG 72 -176.88 117.61 9 B ARG 2 171.97 176.47 9 B TYR 3 -98.19 45.62 9 B TYR 4 -67.21 -165.16 9 B SER 6 -150.69 32.64 9 B SER 7 173.11 165.44 9 B LEU 8 -105.33 -62.07 10 A THR 8 -102.51 -84.96 10 A SER 9 -171.17 -60.38 10 A ILE 11 78.30 111.15 10 A ASP 30 -99.19 -90.97 10 A VAL 39 -67.16 -142.83 10 A VAL 40 -164.04 90.94 10 A ALA 45 -171.18 144.48 10 A CYS 48 -41.45 100.84 10 A SER 50 64.19 -142.49 10 A LYS 52 -96.93 -62.36 10 A PRO 53 -77.13 -89.54 10 A CYS 60 -171.89 118.25 10 A HIS 68 -42.76 152.57 10 A LYS 70 -149.92 35.20 10 B TYR 3 -97.80 49.14 10 B TYR 4 -67.34 -171.35 10 B SER 7 168.15 132.84 10 B SER 10 -25.64 89.38 11 A THR 8 -97.65 -103.39 11 A ILE 11 -29.81 108.27 11 A PRO 18 -68.97 93.55 11 A ASP 30 -69.19 -145.94 11 A ALA 31 -41.64 -75.59 11 A CYS 33 56.41 103.30 11 A LYS 38 -93.17 -105.39 11 A CYS 48 -42.11 101.75 11 A SER 50 54.48 177.73 11 A PRO 53 -83.61 -87.80 11 A TYR 54 -140.43 16.89 11 A GLU 55 -69.70 -161.22 11 A GLU 56 -155.21 71.98 11 A CYS 60 -171.55 124.81 11 A LYS 70 -166.64 86.06 11 A ARG 72 69.44 103.13 11 B ARG 2 176.96 -160.67 11 B GLU 5 -162.97 22.21 11 B SER 7 162.78 -176.20 12 A THR 8 -98.00 -108.25 12 A ILE 11 -21.98 109.12 12 A TRP 28 -153.07 -60.11 12 A CYS 29 165.47 -147.34 12 A ASP 30 -162.79 -128.12 12 A ALA 31 -41.71 -75.15 12 A PHE 32 -140.21 37.29 12 A CYS 33 56.56 109.96 12 A SER 34 -128.70 -160.98 12 A VAL 39 -69.40 -172.92 12 A CYS 48 -41.16 100.80 12 A LYS 51 -170.50 53.40 12 A LYS 52 -170.50 100.01 12 A GLU 55 -109.52 -159.92 12 A GLU 56 -163.37 93.71 12 A CYS 60 -171.85 119.68 12 A HIS 68 -43.03 156.09 12 A LYS 70 -166.56 35.30 12 A GLN 71 -84.70 45.65 12 A ARG 72 41.73 81.11 12 B TYR 3 -97.78 48.61 12 B TYR 4 -66.55 -163.67 12 B SER 7 161.41 156.29 12 B LEU 8 -140.69 31.49 13 A THR 8 -98.02 -103.97 13 A ILE 11 -34.37 110.81 13 A PRO 18 -69.84 -160.17 13 A TRP 28 -163.39 -94.90 13 A CYS 29 -173.32 135.41 13 A ALA 31 48.96 -89.84 13 A CYS 33 -41.66 97.25 13 A LYS 38 -92.31 -149.00 13 A VAL 39 -111.50 -145.95 13 A VAL 40 -160.72 89.64 13 A ALA 45 -170.79 149.99 13 A THR 47 -170.57 134.02 13 A CYS 48 -39.35 94.61 13 A SER 50 55.97 14.65 13 A LYS 52 -170.25 -61.65 13 A PRO 53 -72.70 -89.22 13 A CYS 60 -171.76 112.06 13 A HIS 68 -46.32 154.01 13 A LYS 70 -154.77 19.51 13 B TYR 3 -99.11 49.00 13 B TYR 4 -66.18 -170.24 13 B SER 7 168.23 177.65 13 B SER 10 -47.18 90.86 14 A THR 8 -97.90 -112.06 14 A SER 9 -69.00 -176.79 14 A ILE 11 -34.94 106.46 14 A PRO 18 -68.19 -162.26 14 A TRP 28 -177.98 -33.08 14 A CYS 29 98.53 126.54 14 A ALA 31 46.72 -91.63 14 A CYS 33 -35.13 103.26 14 A LYS 38 -92.62 -146.51 14 A VAL 39 -110.43 -146.08 14 A VAL 40 -161.77 88.57 14 A CYS 48 -48.53 106.32 14 A LYS 51 -122.62 -166.90 14 A LYS 52 -157.72 -64.75 14 A PRO 53 -72.28 -85.32 14 A TYR 54 -140.20 26.67 14 A GLU 56 -99.77 54.02 14 A CYS 60 -171.85 99.34 14 A SER 61 -99.72 48.68 14 A HIS 68 -41.74 159.51 14 A ARG 72 176.71 148.57 14 B TYR 3 -97.74 52.90 14 B TYR 4 -65.41 -171.06 14 B GLU 5 -87.82 44.13 14 B SER 6 -154.81 11.18 14 B SER 7 163.50 -170.00 14 B LEU 8 -140.30 19.75 15 A THR 8 -97.61 -109.64 15 A SER 9 -68.15 -178.69 15 A ILE 11 -31.78 114.94 15 A THR 15 -44.05 164.30 15 A ASN 21 -151.20 -32.55 15 A LEU 22 -174.13 -162.49 15 A TRP 28 -152.05 -95.23 15 A CYS 29 -175.10 122.98 15 A ALA 31 56.10 -95.39 15 A CYS 33 55.38 108.62 15 A LYS 38 -91.71 -143.48 15 A VAL 39 -116.42 -150.11 15 A VAL 40 -157.69 78.60 15 A THR 47 -171.18 143.16 15 A CYS 48 -40.89 100.70 15 A SER 50 -94.81 -157.25 15 A LYS 52 -152.41 -65.40 15 A PRO 53 -71.43 -89.00 15 A CYS 60 -170.55 131.32 15 A CYS 65 -92.09 31.52 15 A PRO 69 -62.99 87.67 15 A LYS 70 -86.45 -88.12 15 A GLN 71 -69.95 84.64 15 B ARG 2 67.85 179.44 15 B TYR 3 -97.29 43.23 15 B TYR 4 -65.35 -160.71 15 B GLU 5 -95.15 39.21 15 B SER 6 169.09 35.34 15 B SER 7 176.59 155.57 15 B SER 10 -18.84 85.59 16 A THR 8 -97.56 -98.67 16 A ILE 11 -29.41 111.81 16 A SER 12 -170.64 143.35 16 A TRP 28 -167.57 -167.58 16 A ASP 30 -70.88 -140.29 16 A CYS 33 -47.55 93.34 16 A LYS 38 -92.08 -134.85 16 A VAL 39 -133.68 -153.74 16 A VAL 40 -158.04 81.67 16 A ALA 45 -170.77 144.96 16 A CYS 48 -42.78 101.91 16 A SER 50 -38.64 140.70 16 A LYS 51 -170.47 103.17 16 A LYS 52 -170.12 -62.61 16 A PRO 53 -69.73 -90.13 16 A GLU 56 -108.04 63.22 16 A CYS 60 -170.88 117.56 16 A HIS 68 -111.56 -167.25 16 A LYS 70 -65.24 -89.38 16 A ARG 72 58.43 144.38 16 B TYR 3 -97.97 54.83 16 B TYR 4 -65.65 -172.33 16 B SER 6 171.93 -24.55 16 B LYS 9 -171.71 45.03 16 B SER 10 39.98 66.08 16 B PRO 12 -75.40 -162.63 17 A THR 8 -97.63 -104.10 17 A ILE 11 -38.30 106.41 17 A TRP 28 -175.72 -99.47 17 A ALA 31 79.48 -35.52 17 A SER 34 -170.35 -32.65 17 A SER 35 -69.35 -91.88 17 A LYS 38 -92.41 -145.47 17 A VAL 39 -118.30 -149.80 17 A VAL 40 -161.81 89.82 17 A GLU 41 -108.72 78.17 17 A ALA 45 -170.09 143.18 17 A CYS 48 -40.98 100.63 17 A LYS 51 -170.89 53.14 17 A LYS 52 -169.89 100.93 17 A PRO 53 -66.14 2.21 17 A GLU 55 -107.81 -168.98 17 A CYS 60 -171.62 113.74 17 A HIS 68 -42.96 150.84 17 A LYS 70 -152.94 50.73 17 A GLN 71 -110.04 64.29 17 B ARG 2 171.03 170.36 17 B TYR 3 -97.68 47.13 17 B TYR 4 -66.48 -163.78 17 B GLU 5 -94.69 32.53 17 B SER 6 -144.54 10.03 17 B SER 7 160.53 171.48 17 B LYS 9 -106.87 57.29 18 A THR 8 -97.87 -89.39 18 A SER 9 -69.26 -170.51 18 A ILE 11 175.88 113.84 18 A TRP 28 -171.85 -97.07 18 A CYS 29 -171.89 129.09 18 A ALA 31 53.99 -88.95 18 A CYS 33 58.68 111.49 18 A SER 34 -92.60 -154.55 18 A LYS 38 -92.05 -140.42 18 A VAL 39 -116.75 -161.28 18 A VAL 40 -151.47 78.49 18 A CYS 48 -42.14 104.45 18 A PRO 49 -72.49 -87.87 18 A LYS 52 -170.56 103.03 18 A PRO 53 -65.67 4.26 18 A PRO 69 -65.07 86.61 18 A LYS 70 -77.54 -90.22 18 B ARG 2 54.34 166.31 18 B TYR 3 -97.97 42.01 18 B TYR 4 -65.64 -164.08 18 B GLU 5 -90.99 44.41 18 B SER 6 170.77 35.95 18 B SER 7 170.23 146.65 18 B PRO 12 -75.20 -90.02 19 A THR 8 -98.47 -93.84 19 A SER 9 -68.92 -159.81 19 A ILE 11 179.05 111.69 19 A TRP 28 -152.55 -96.05 19 A CYS 29 -176.97 116.35 19 A ALA 31 65.82 -85.38 19 A CYS 33 60.78 113.96 19 A SER 34 -69.55 -164.18 19 A SER 35 -93.62 31.12 19 A LYS 38 -93.51 -136.39 19 A VAL 39 -125.57 -158.92 19 A VAL 40 -154.97 79.30 19 A ALA 45 -170.39 149.15 19 A CYS 48 -40.86 100.10 19 A PRO 53 -75.29 -87.44 19 A CYS 60 -171.45 113.59 19 A LYS 70 -127.33 -73.67 19 A GLN 71 -80.58 44.21 19 A ARG 72 -162.54 98.78 19 B TYR 3 -98.83 52.59 19 B TYR 4 -65.39 -172.60 19 B SER 6 172.67 -12.33 19 B SER 7 171.17 173.70 19 B LYS 9 -69.33 95.26 19 B SER 10 -28.29 102.76 20 A THR 8 -98.51 -88.40 20 A SER 9 -69.00 -169.19 20 A ILE 11 -179.91 106.34 20 A TRP 28 -167.36 -98.42 20 A CYS 29 -145.18 -158.44 20 A ASP 30 -160.13 -162.47 20 A SER 34 -171.41 -74.61 20 A VAL 39 -69.28 -154.24 20 A CYS 48 -41.98 103.92 20 A LYS 51 -170.80 54.02 20 A LYS 52 -170.56 101.23 20 A PRO 53 -65.61 2.73 20 A GLN 71 -80.10 41.21 20 A ARG 72 -173.85 97.29 20 B TYR 3 -98.59 44.49 20 B TYR 4 -66.78 -162.26 20 B SER 6 176.61 -15.60 20 B SER 7 171.19 172.45 20 B LYS 9 -94.14 42.89 20 B SER 10 41.81 99.55 model building X-PLOR 3.1 refinement X-PLOR 3.1 phasing X-PLOR 3.1 SOLUTION NMR STRUCTURE OF THE COMPLEX OF ALPHA-BUNGAROTOXIN WITH A LIBRARY DERIVED PEPTIDE, 20 STRUCTURES 1 N N 2 N N disulf 2.014 A CYS 3 A SG CYS 3 1_555 A CYS 23 A SG CYS 23 1_555 disulf 2.017 A CYS 16 A SG CYS 16 1_555 A CYS 44 A SG CYS 44 1_555 disulf 2.020 A CYS 29 A SG CYS 29 1_555 A CYS 33 A SG CYS 33 1_555 disulf 2.022 A CYS 48 A SG CYS 48 1_555 A CYS 59 A SG CYS 59 1_555 disulf 2.012 A CYS 60 A SG CYS 60 1_555 A CYS 65 A SG CYS 65 1_555 COMPLEX (TOXIN/PEPTIDE) COMPLEX (TOXIN-PEPTIDE), ALPHA-BUNGAROTOXIN, LIBRARY PEPTIDE, COMPLEX (TOXIN-PEPTIDE) complex NXL1A_BUNMU UNP 1 1 P60615 IVCHTTATSPISAVTCPPGENLCYRKMWCDAFCSSRGKVVELGCAATCPSKKPYEEVTCCSTDKCNPHPKQRPG 1BXP PDB 2 1BXP 1 74 1BXP 1 74 P60615 A 1 1 74 1 13 1BXP 1 13 1BXP B 2 1 13 2 2 anti-parallel anti-parallel A VAL 2 A VAL 2 A HIS 4 A HIS 4 A ALA 13 A ALA 13 A THR 15 A THR 15 A LEU 22 A LEU 22 A LYS 26 A LYS 26 A GLU 41 A GLU 41 A ALA 45 A ALA 45 1 P 1