.020040 0.000000 0.000000 0.000000 .021459 0.000000 0.000000 0.000000 .046948 0.00000 0.00000 0.00000 Tsernoglou, D. Petsko, G.A. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 90.00 90.00 90.00 49.900 46.600 21.300 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 H2 O 18.015 WATER non-polymer 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 O4 S -2 96.063 SULFATE ION non-polymer 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 Mol.Pharmacol. MOPMA3 0197 0026-895X 14 710 716 683181 Structure and function of snake venom curarimimetic neurotoxins. 1978 US Science SCIEAS 0038 0036-8075 197 1378 Molecular Graphics. Application to the Structure Determination of a Snake Venom Neurotoxin 1977 NE Biochim.Biophys.Acta BBACAQ 0113 0006-3002 491 605 Protein Sequencing by Computer Graphics 1977 US Proc.Natl.Acad.Sci.USA PNASA6 0040 0027-8424 74 971 Three-Dimensional Structure of Neurotoxin a from Venom of the Philippines Sea Snake 1977 NE FEBS Lett. FEBLAL 0165 0014-5793 68 1 The Crystal Structure of a Post-Synaptic Neurotoxin from Sea Snake at 2.2 Angstroms Resolution 1976 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 x-ray 1 1.0 6877.759 NEUROTOXIN B 1 man polymer 96.063 SULFATE ION 2 syn non-polymer 18.015 water 67 nat water no no RICFNQHSSQPQTTKTCSPGESSCYHKQWSDFRGTIIERGCGCPTVKPGIKLSCCESEVCNN RICFNQHSSQPQTTKTCSPGESSCYHKQWSDFRGTIIERGCGCPTVKPGIKLSCCESEVCNN 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 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 broad-banded blue sea krait Laticauda sample 8631 Laticauda semifasciata 1.80 31.64 pdbx_database_status struct_conf repository Initial release Version format compliance Version format compliance Derived calculations Other 1 0 1981-01-27 1 1 2008-03-03 1 2 2011-07-13 1 3 2017-11-29 _pdbx_database_status.process_site Y BNL 1980-08-08 REL SO4 SULFATE ION HOH water THE PROTEIN IS PROBABLY IDENTICAL TO ERABUTOXIN FROM JAPANESE SEA SNAKES. THIS POINT IS DISCUSSED IN REFERENCES 3 AND 4 ABOVE. COORDINATES FOR TWO SULFATE IONS ARE INCLUDED BELOW. THERE IS PROBABLY AT LEAST ONE OTHER BOUND SULFATE WHICH IS INCLUDED BELOW AS A WATER MOLECULE. RESIDUE NUMBERING IS SEQUENTIAL. IN PUBLISHED PAPERS A GENERAL HOMOLOGY SEQUENCE NUMBERING IS USED OFTEN INSTEAD OF SEQUENTIAL NUMBERING OF RESIDUES. SEE REFERENCE 1 FOR DETAILS. RESIDUE 59 IS PROBABLY VALINE BUT THIS IS STILL UNDER INVESTIGATION. RESIDUES 18 AND 19 WERE ORDERED FROM THE 2.2 AND 1.38 ANGSTROM MAPS AFTER REFINEMENT. THE CHEMICAL SEQUENCE HAS THEM REVERSED. THE SAME IS TRUE OF RESIDUES 21 AND 22. SEE REFERENCE 3 ABOVE. SO4 1 2 SO4 SO4 63 A SO4 2 2 SO4 SO4 64 A HOH 3 3 HOH HOH 65 A HOH 4 3 HOH HOH 66 A HOH 5 3 HOH HOH 67 A HOH 6 3 HOH HOH 68 A HOH 7 3 HOH HOH 69 A HOH 8 3 HOH HOH 70 A HOH 9 3 HOH HOH 71 A HOH 10 3 HOH HOH 72 A HOH 11 3 HOH HOH 73 A HOH 12 3 HOH HOH 74 A HOH 13 3 HOH HOH 75 A HOH 14 3 HOH HOH 76 A HOH 15 3 HOH HOH 77 A HOH 16 3 HOH HOH 78 A HOH 17 3 HOH HOH 79 A HOH 18 3 HOH HOH 80 A HOH 19 3 HOH HOH 81 A HOH 20 3 HOH HOH 82 A HOH 21 3 HOH HOH 83 A HOH 22 3 HOH HOH 84 A HOH 23 3 HOH HOH 85 A HOH 24 3 HOH HOH 86 A HOH 25 3 HOH HOH 87 A HOH 26 3 HOH HOH 88 A HOH 27 3 HOH HOH 89 A HOH 28 3 HOH HOH 90 A HOH 29 3 HOH HOH 91 A HOH 30 3 HOH HOH 92 A HOH 31 3 HOH HOH 93 A HOH 32 3 HOH HOH 94 A HOH 33 3 HOH HOH 95 A HOH 34 3 HOH HOH 96 A HOH 35 3 HOH HOH 97 A HOH 36 3 HOH HOH 98 A HOH 37 3 HOH HOH 99 A HOH 38 3 HOH HOH 100 A HOH 39 3 HOH HOH 101 A HOH 40 3 HOH HOH 102 A HOH 41 3 HOH HOH 103 A HOH 42 3 HOH HOH 104 A HOH 43 3 HOH HOH 105 A HOH 44 3 HOH HOH 106 A HOH 45 3 HOH HOH 107 A HOH 46 3 HOH HOH 108 A HOH 47 3 HOH HOH 109 A HOH 48 3 HOH HOH 110 A HOH 49 3 HOH HOH 111 A HOH 50 3 HOH HOH 112 A HOH 51 3 HOH HOH 113 A HOH 52 3 HOH HOH 114 A HOH 53 3 HOH HOH 115 A HOH 54 3 HOH HOH 116 A HOH 55 3 HOH HOH 117 A HOH 56 3 HOH HOH 118 A HOH 57 3 HOH HOH 119 A HOH 58 3 HOH HOH 120 A HOH 59 3 HOH HOH 121 A HOH 60 3 HOH HOH 122 A HOH 61 3 HOH HOH 123 A HOH 62 3 HOH HOH 124 A HOH 63 3 HOH HOH 125 A HOH 64 3 HOH HOH 126 A HOH 65 3 HOH HOH 127 A HOH 66 3 HOH HOH 128 A HOH 67 3 HOH HOH 129 A HOH 68 3 HOH HOH 130 A HOH 69 3 HOH HOH 131 A ARG 1 n 1 ARG 1 A ILE 2 n 2 ILE 2 A CYS 3 n 3 CYS 3 A PHE 4 n 4 PHE 4 A ASN 5 n 5 ASN 5 A GLN 6 n 6 GLN 6 A HIS 7 n 7 HIS 7 A SER 8 n 8 SER 8 A SER 9 n 9 SER 9 A GLN 10 n 10 GLN 10 A PRO 11 n 11 PRO 11 A GLN 12 n 12 GLN 12 A THR 13 n 13 THR 13 A THR 14 n 14 THR 14 A LYS 15 n 15 LYS 15 A THR 16 n 16 THR 16 A CYS 17 n 17 CYS 17 A SER 18 n 18 SER 18 A PRO 19 n 19 PRO 19 A GLY 20 n 20 GLY 20 A GLU 21 n 21 GLU 21 A SER 22 n 22 SER 22 A SER 23 n 23 SER 23 A CYS 24 n 24 CYS 24 A TYR 25 n 25 TYR 25 A HIS 26 n 26 HIS 26 A LYS 27 n 27 LYS 27 A GLN 28 n 28 GLN 28 A TRP 29 n 29 TRP 29 A SER 30 n 30 SER 30 A ASP 31 n 31 ASP 31 A PHE 32 n 32 PHE 32 A ARG 33 n 33 ARG 33 A GLY 34 n 34 GLY 34 A THR 35 n 35 THR 35 A ILE 36 n 36 ILE 36 A ILE 37 n 37 ILE 37 A GLU 38 n 38 GLU 38 A ARG 39 n 39 ARG 39 A GLY 40 n 40 GLY 40 A CYS 41 n 41 CYS 41 A GLY 42 n 42 GLY 42 A CYS 43 n 43 CYS 43 A PRO 44 n 44 PRO 44 A THR 45 n 45 THR 45 A VAL 46 n 46 VAL 46 A LYS 47 n 47 LYS 47 A PRO 48 n 48 PRO 48 A GLY 49 n 49 GLY 49 A ILE 50 n 50 ILE 50 A LYS 51 n 51 LYS 51 A LEU 52 n 52 LEU 52 A SER 53 n 53 SER 53 A CYS 54 n 54 CYS 54 A CYS 55 n 55 CYS 55 A GLU 56 n 56 GLU 56 A SER 57 n 57 SER 57 A GLU 58 n 58 GLU 58 A VAL 59 n 59 VAL 59 A CYS 60 n 60 CYS 60 A ASN 61 n 61 ASN 61 A ASN 62 n 62 ASN 62 A author_defined_assembly 1 monomeric 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 LYS 15 A O LYS 15 A N CYS 3 A N CYS 3 A N SER 8 A N SER 8 A O ILE 37 A O ILE 37 A O GLY 40 A O GLY 40 A N TYR 25 A N TYR 25 A O HIS 26 A O HIS 26 A N SER 53 A N SER 53 1 A CB VAL 59 A CB VAL 59 1 Y 1 A CG1 VAL 59 A CG1 VAL 59 1 Y 1 A CG2 VAL 59 A CG2 VAL 59 1 Y 1 A O1 SO4 64 C O1 SO4 1 1 N 1 A O2 SO4 64 C O2 SO4 1 1 N 1 A O3 SO4 64 C O3 SO4 1 1 N 1 A O4 SO4 64 C O4 SO4 1 1 N 1 A CA ARG 1 PLANAR 1 A CA HIS 7 PLANAR 1 A CB THR 14 WRONG HAND 1 A CA PHE 32 PLANAR 1 A CA PRO 44 PLANAR 1 A CA LYS 51 WRONG HAND 1 A CA LEU 52 PLANAR 1 A CA GLU 56 PLANAR 1 A CA CYS 60 PLANAR 1 A A CB O SER HOH 30 109 0.59 1 A A O O HOH HOH 85 112 0.83 1 A A OG1 O THR HOH 13 70 0.89 1 A A C O LYS HOH 47 120 0.90 1 A A CE1 O TYR HOH 25 99 0.91 1 A A O O HOH HOH 66 128 0.96 1 A A O O ILE HOH 50 121 0.96 1 A A O O HOH HOH 70 80 0.97 1 A A CA O SER HOH 30 109 0.98 1 A A ND2 O ASN HOH 5 82 0.99 1 A A CB O ASN HOH 62 131 1.01 1 A A OG1 O THR HOH 14 68 1.04 1 A A CB O HIS HOH 7 75 1.06 1 A A CG O HIS HOH 7 75 1.13 1 A A CG O ASN HOH 62 131 1.17 1 A A CB O LYS HOH 27 103 1.23 1 A A C O VAL HOH 46 123 1.28 1 A A CB O SER HOH 9 111 1.31 1 A A ND2 O ASN HOH 61 97 1.31 1 A A O O PRO HOH 44 115 1.32 1 A A CD2 O TYR HOH 25 113 1.35 1 A A CZ O TYR HOH 25 99 1.35 1 A A N O CYS HOH 3 67 1.36 1 A A CD2 O HIS HOH 7 73 1.36 1 A A O O HOH HOH 69 130 1.37 1 A A N O SER HOH 9 111 1.39 1 A A CG O ASN HOH 61 97 1.47 1 A A OG1 O THR HOH 13 80 1.47 1 A A ND2 O ASN HOH 61 98 1.49 1 A A OD1 O ASN HOH 5 80 1.50 1 A A CG O HIS HOH 7 73 1.51 1 A A SG O CYS HOH 3 67 1.52 1 A A O O THR HOH 14 81 1.53 1 A A CG O TYR HOH 25 113 1.54 1 A A O O HIS HOH 26 100 1.55 1 A A CA O LYS HOH 47 120 1.56 1 A A CB O CYS HOH 54 96 1.56 1 A A CE3 O TRP HOH 29 102 1.56 1 A A CA O CYS HOH 3 67 1.56 1 A A CA O SER HOH 9 111 1.56 1 A A NH1 O ARG SER 1 22 1.56 1 A A CG O LYS HOH 47 120 1.59 1 A A ND2 O ASN HOH 62 131 1.59 1 A A C O ILE HOH 50 121 1.59 1 A A OG O SER HOH 30 109 1.59 1 A A CG2 O ILE HOH 50 122 1.60 1 A A CA O ASN HOH 62 131 1.61 1 A A O O VAL HOH 46 123 1.62 1 A A O O HOH HOH 73 75 1.66 1 A A CB O TYR HOH 25 113 1.67 1 A A CD2 O HIS HOH 7 75 1.68 1 A A CB O THR HOH 14 68 1.71 1 A A CG O LYS HOH 27 103 1.71 1 A A OE1 O GLN HOH 10 76 1.72 1 A A CB O CYS HOH 3 67 1.72 1 A A CD O LYS HOH 47 120 1.72 1 A A CD1 O PHE HOH 4 130 1.72 1 A A O O LYS HOH 47 120 1.73 1 A A O CB GLY CYS 42 43 1.73 1 A A NE2 O GLN HOH 10 76 1.74 1 A A CD O GLN HOH 10 76 1.75 1 A A CB O ASN HOH 61 97 1.76 1 A A CA O CYS HOH 54 96 1.76 1 A A CG1 N ILE LYS 50 51 1.77 1 A A NZ OE1 LYS GLU 27 38 1.77 1 A A O O HOH HOH 104 105 1.78 1 A A CB O ILE HOH 50 122 1.78 1 A A O O TRP HOH 29 104 1.78 1 A A N O LYS HOH 47 123 1.79 1 A A O O SER HOH 53 108 1.80 1 A A C O SER HOH 53 108 1.80 1 A A NH2 OE1 ARG GLU 1 58 1.80 1 A A N O PRO HOH 48 120 1.80 1 A A CD2 O LEU HOH 52 100 1.81 1 A A CG O ASN HOH 5 82 1.82 1 A A CB O LYS HOH 47 120 1.84 1 A A OH O TYR HOH 25 99 1.85 1 A A CA O VAL HOH 59 69 1.85 1 A A O O PRO HOH 19 91 1.86 1 A A CB O GLN HOH 6 72 1.87 1 A A OD1 O ASN HOH 5 70 1.88 1 A A C O SER HOH 30 109 1.90 1 A A O O CYS HOH 43 115 1.91 1 A A CA O ILE HOH 50 121 1.97 1 A A CD O LYS HOH 27 103 1.98 1 A A C O ILE HOH 2 67 1.99 1 A A N O PHE HOH 4 130 1.99 1 A A O O THR HOH 16 87 2.00 1 A A O CG SER GLU 22 56 2.01 1 A A N O SER HOH 53 100 2.01 1 A A C O THR HOH 13 80 2.02 1 A A CA O TYR HOH 25 113 2.03 1 A A C O TRP HOH 29 105 2.04 1 A A O O THR HOH 45 125 2.06 1 A A CB O LEU HOH 52 100 2.06 1 A A SG O CYS HOH 54 96 2.07 1 A A CH2 O TRP HOH 29 101 2.07 1 A A O O VAL HOH 46 124 2.07 1 A A CB O ASN HOH 5 82 2.08 1 A A CA O LYS HOH 27 103 2.08 1 A A NZ CD LYS GLU 27 38 2.09 1 A A CD1 O TYR HOH 25 99 2.09 1 A A CZ3 O TRP HOH 29 102 2.10 1 A A O O HOH HOH 116 124 2.10 1 A A N O SER HOH 30 109 2.11 1 A A O O PHE HOH 4 98 2.12 1 A A N O TYR HOH 25 113 2.12 1 A A CB O THR HOH 13 70 2.13 1 A A CG1 O VAL HOH 46 122 2.14 1 A A OE2 O GLU HOH 38 101 2.15 1 A A NZ S LYS SO4 15 64 2.16 1 A A CG O PHE HOH 4 130 2.16 1 A A OE2 O1 GLU SO4 58 63 2.16 1 A A CG1 O VAL HOH 46 123 2.17 1 A A O O TYR HOH 25 97 2.17 1 A A CA O TRP HOH 29 105 2.18 1 A A SG O CYS HOH 41 88 2.18 1 A PRO 44 12.06 1 A LYS 47 21.37 1 A CYS 54 10.53 1 A SER 57 -10.86 1 A A CYS PHE 3 4 145.36 1 A A SER GLN 9 10 88.46 1 A A LYS THR 15 16 146.94 1 A A PHE ARG 32 33 -144.80 1 A A GLY CYS 42 43 134.13 1 A A THR VAL 45 46 -114.44 1 A A VAL LYS 46 47 116.31 1 A A GLY ILE 49 50 -144.75 1 A A CYS GLU 55 56 106.39 1 A A ASN ASN 61 62 123.15 1 A ARG 1 0.266 SIDE CHAIN 1 A ARG 33 0.151 SIDE CHAIN 1 A ARG 39 0.282 SIDE CHAIN 1 A A C N THR CYS 16 17 0.83 1 A A C N SER SER 22 23 1.77 1 -3.59 0.50 120.30 116.71 A A A NE CZ NH1 ARG ARG ARG 1 1 1 N 1 -17.11 2.20 117.20 100.09 A A A CA C N ARG ARG ILE 1 1 2 Y 1 -13.37 2.10 120.10 106.73 A A A CA C O ILE ILE ILE 2 2 2 N 1 11.30 1.60 122.70 134.00 A A A O C N ILE ILE CYS 2 2 3 Y 1 7.95 1.30 118.30 126.25 A A A CD1 CG CD2 PHE PHE PHE 4 4 4 N 1 -12.17 0.70 120.80 108.63 A A A CB CG CD1 PHE PHE PHE 4 4 4 N 1 -7.73 1.10 120.80 113.07 A A A CG CD1 CE1 PHE PHE PHE 4 4 4 N 1 11.43 1.80 120.00 131.43 A A A CE1 CZ CE2 PHE PHE PHE 4 4 4 N 1 -12.45 1.20 120.10 107.65 A A A CZ CE2 CD2 PHE PHE PHE 4 4 4 N 1 -13.92 2.20 113.40 99.48 A A A CA CB CG ASN ASN ASN 5 5 5 N 1 -20.15 2.30 121.90 101.75 A A A OD1 CG ND2 ASN ASN ASN 5 5 5 N 1 26.05 2.00 121.60 147.65 A A A CB CG OD1 ASN ASN ASN 5 5 5 N 1 40.04 2.30 121.90 161.94 A A A OE1 CD NE2 GLN GLN GLN 6 6 6 N 1 -36.80 2.40 116.70 79.90 A A A CG CD NE2 GLN GLN GLN 6 6 6 N 1 26.28 2.50 121.70 147.98 A A A C N CA GLN HIS HIS 6 7 7 Y 1 28.53 1.80 110.60 139.13 A A A N CA CB HIS HIS HIS 7 7 7 N 1 4.37 0.70 109.00 113.37 A A A CE1 NE2 CD2 HIS HIS HIS 7 7 7 N 1 16.30 1.60 122.70 139.00 A A A O C N HIS HIS SER 7 7 8 Y 1 13.43 2.10 120.10 133.53 A A A CA C O SER SER SER 8 8 8 N 1 -18.01 2.20 117.20 99.19 A A A CA C N SER SER SER 8 8 9 Y 1 -19.58 1.50 110.50 90.92 A A A N CA CB SER SER SER 9 9 9 N 1 -12.18 1.60 122.70 110.52 A A A O C N SER SER GLN 9 9 10 Y 1 -19.35 2.30 121.90 102.55 A A A OE1 CD NE2 GLN GLN GLN 10 10 10 N 1 32.33 2.00 121.60 153.93 A A A CG CD OE1 GLN GLN GLN 10 10 10 N 1 19.20 2.70 111.00 130.20 A A A N CA C GLN GLN GLN 10 10 10 N 1 17.39 1.60 122.70 140.09 A A A O C N PRO PRO GLN 11 11 12 Y 1 27.37 2.30 121.90 149.27 A A A OE1 CD NE2 GLN GLN GLN 12 12 12 N 1 -12.15 2.00 121.60 109.45 A A A CG CD OE1 GLN GLN GLN 12 12 12 N 1 -15.42 2.40 116.70 101.28 A A A CG CD NE2 GLN GLN GLN 12 12 12 N 1 20.93 2.70 111.60 132.53 A A A CB CA C THR THR THR 13 13 13 N 1 -15.19 1.90 110.30 95.11 A A A N CA CB THR THR THR 13 13 13 N 1 -12.66 1.40 112.40 99.74 A A A CA CB CG2 THR THR THR 13 13 13 N 1 -13.21 1.60 122.70 109.49 A A A O C N THR THR THR 13 13 14 Y 1 18.16 2.30 110.00 128.16 A A A OG1 CB CG2 THR THR THR 14 14 14 N 1 -14.52 2.00 110.40 95.88 A A A CB CA C LYS LYS LYS 15 15 15 N 1 -15.86 2.10 109.00 93.14 A A A CA CB OG1 THR THR THR 16 16 16 N 1 16.11 1.40 112.40 128.51 A A A CA CB CG2 THR THR THR 16 16 16 N 1 13.45 1.60 122.70 136.15 A A A O C N THR THR CYS 16 16 17 Y 1 7.98 1.20 111.50 119.48 A A A CB CA C CYS CYS CYS 17 17 17 N 1 10.26 1.10 114.20 124.46 A A A CA CB SG CYS CYS CYS 17 17 17 N 1 7.56 1.20 123.30 130.86 A A A OE1 CD OE2 GLU GLU GLU 21 21 21 N 1 -17.56 1.50 110.50 92.94 A A A N CA CB SER SER SER 23 23 23 N 1 22.71 2.70 111.00 133.71 A A A N CA C SER SER SER 23 23 23 N 1 17.12 1.10 114.20 131.32 A A A CA CB SG CYS CYS CYS 24 24 24 N 1 -18.24 2.10 120.10 101.86 A A A CA C O CYS CYS CYS 24 24 24 N 1 14.45 2.20 117.20 131.65 A A A CA C N CYS CYS TYR 24 24 25 Y 1 15.33 1.80 110.60 125.93 A A A N CA CB TYR TYR TYR 25 25 25 N 1 9.21 1.10 117.90 127.11 A A A CD1 CG CD2 TYR TYR TYR 25 25 25 N 1 -6.22 0.60 121.00 114.78 A A A CB CG CD1 TYR TYR TYR 25 25 25 N 1 -20.54 0.80 121.30 100.76 A A A CG CD2 CE2 TYR TYR TYR 25 25 25 N 1 32.92 2.70 120.10 153.02 A A A OH CZ CE2 TYR TYR TYR 25 25 25 N 1 -17.40 2.70 120.10 102.70 A A A CE1 CZ OH TYR TYR TYR 25 25 25 N 1 -15.70 1.60 119.80 104.10 A A A CE1 CZ CE2 TYR TYR TYR 25 25 25 N 1 27.53 0.90 119.80 147.33 A A A CZ CE2 CD2 TYR TYR TYR 25 25 25 N 1 -12.58 1.40 106.00 93.42 A A A ND1 CG CD2 HIS HIS HIS 26 26 26 N 1 15.92 1.00 109.00 124.92 A A A CG ND1 CE1 HIS HIS HIS 26 26 26 N 1 -11.69 1.10 108.50 96.81 A A A ND1 CE1 NE2 HIS HIS HIS 26 26 26 N 1 6.19 0.70 109.00 115.19 A A A CE1 NE2 CD2 HIS HIS HIS 26 26 26 N 1 -17.00 2.30 111.70 94.70 A A A CD CE NZ LYS LYS LYS 27 27 27 N 1 14.77 1.60 122.70 137.47 A A A O C N LYS LYS GLN 27 27 28 Y 1 -16.76 2.50 121.70 104.94 A A A C N CA LYS GLN GLN 27 28 28 Y 1 23.52 2.30 121.90 145.42 A A A OE1 CD NE2 GLN GLN GLN 28 28 28 N 1 -13.18 2.00 121.60 108.42 A A A CG CD OE1 GLN GLN GLN 28 28 28 N 1 10.84 1.30 127.00 137.84 A A A CB CG CD1 TRP TRP TRP 29 29 29 N 1 7.72 1.00 110.10 117.82 A A A CG CD1 NE1 TRP TRP TRP 29 29 29 N 1 -12.71 0.90 109.00 96.29 A A A CD1 NE1 CE2 TRP TRP TRP 29 29 29 N 1 -16.48 1.10 130.40 113.92 A A A NE1 CE2 CZ2 TRP TRP TRP 29 29 29 N 1 12.90 1.00 107.30 120.20 A A A NE1 CE2 CD2 TRP TRP TRP 29 29 29 N 1 26.36 2.20 113.40 139.76 A A A CA CB CG ASP ASP ASP 31 31 31 N 1 27.45 0.90 118.30 145.75 A A A CB CG OD1 ASP ASP ASP 31 31 31 N 1 -31.68 0.90 118.30 86.62 A A A CB CG OD2 ASP ASP ASP 31 31 31 N 1 13.65 1.60 122.70 136.35 A A A O C N ASP ASP PHE 31 31 32 Y 1 23.04 2.00 110.40 133.44 A A A CB CA C PHE PHE PHE 32 32 32 N 1 -22.12 2.40 113.90 91.78 A A A CA CB CG PHE PHE PHE 32 32 32 N 1 7.82 0.70 120.80 128.62 A A A CB CG CD2 PHE PHE PHE 32 32 32 N 1 9.34 1.30 118.30 127.64 A A A CD1 CG CD2 PHE PHE PHE 32 32 32 N 1 -17.20 0.70 120.80 103.60 A A A CB CG CD1 PHE PHE PHE 32 32 32 N 1 -8.06 1.10 120.80 112.74 A A A CG CD1 CE1 PHE PHE PHE 32 32 32 N 1 14.77 1.80 120.00 134.77 A A A CE1 CZ CE2 PHE PHE PHE 32 32 32 N 1 -11.78 1.20 120.10 108.32 A A A CZ CE2 CD2 PHE PHE PHE 32 32 32 N 1 20.08 2.20 117.20 137.28 A A A CA C N PHE PHE ARG 32 32 33 Y 1 -19.18 1.60 122.70 103.52 A A A O C N PHE PHE ARG 32 32 33 Y 1 -19.96 2.10 111.80 91.84 A A A CG CD NE ARG ARG ARG 33 33 33 N 1 -18.19 2.70 111.00 92.81 A A A N CA C ARG ARG ARG 33 33 33 N 1 -12.82 2.10 120.10 107.28 A A A CA C O ARG ARG ARG 33 33 33 N 1 -13.54 2.10 109.00 95.46 A A A CA CB OG1 THR THR THR 35 35 35 N 1 -17.24 2.70 111.00 93.76 A A A N CA C THR THR THR 35 35 35 N 1 -14.15 2.00 111.60 97.45 A A A CB CA C ILE ILE ILE 36 36 36 N 1 14.94 1.60 122.70 137.64 A A A O C N ILE ILE ILE 36 36 37 Y 1 23.71 2.30 110.80 134.51 A A A N CA CB ILE ILE ILE 37 37 37 N 1 17.13 1.90 111.00 128.13 A A A CA CB CG1 ILE ILE ILE 37 37 37 N 1 55.36 2.80 113.90 169.26 A A A CB CG1 CD1 ILE ILE ILE 37 37 37 N 1 -18.41 2.00 110.90 92.49 A A A CA CB CG2 ILE ILE ILE 37 37 37 N 1 19.74 2.20 113.40 133.14 A A A CA CB CG GLU GLU GLU 38 38 38 N 1 10.56 1.60 122.70 133.26 A A A O C N GLU GLU ARG 38 38 39 Y 1 12.22 1.80 110.60 122.82 A A A N CA CB ARG ARG ARG 39 39 39 N 1 -18.69 2.10 111.80 93.11 A A A CG CD NE ARG ARG ARG 39 39 39 N 1 -24.71 1.40 123.60 98.89 A A A CD NE CZ ARG ARG ARG 39 39 39 N 1 4.18 0.50 120.30 124.48 A A A NE CZ NH1 ARG ARG ARG 39 39 39 N 1 -3.38 0.50 120.30 116.92 A A A NE CZ NH2 ARG ARG ARG 39 39 39 N 1 14.56 2.10 120.10 134.66 A A A CA C O ARG ARG ARG 39 39 39 N 1 -20.38 1.70 123.20 102.82 A A A O C N ARG ARG GLY 39 39 40 Y 1 14.06 2.20 117.20 131.26 A A A CA C N GLY GLY CYS 40 40 41 Y 1 -22.78 1.60 122.70 99.92 A A A O C N GLY GLY CYS 40 40 41 Y 1 25.23 2.50 121.70 146.93 A A A C N CA GLY CYS CYS 40 41 41 Y 1 12.83 1.70 123.20 136.03 A A A O C N CYS CYS GLY 41 41 42 Y 1 37.59 2.50 113.10 150.69 A A A N CA C GLY GLY GLY 42 42 42 N 1 38.67 1.80 120.60 159.27 A A A CA C O GLY GLY GLY 42 42 42 N 1 -16.41 2.20 117.20 100.79 A A A CA C N GLY GLY CYS 42 42 43 Y 1 -23.09 1.60 122.70 99.61 A A A O C N GLY GLY CYS 42 42 43 Y 1 8.63 1.20 111.50 120.13 A A A CB CA C CYS CYS CYS 43 43 43 N 1 -20.39 1.80 110.60 90.21 A A A N CA CB CYS CYS CYS 43 43 43 N 1 -29.07 2.10 128.40 99.33 A A A C N CD CYS PRO PRO 43 44 44 Y 1 -14.43 1.40 111.70 97.27 A A A CA N CD PRO PRO PRO 44 44 44 N 1 33.85 2.10 111.70 145.55 A A A CB CA C PRO PRO PRO 44 44 44 N 1 -7.39 1.20 103.30 95.91 A A A N CA CB PRO PRO PRO 44 44 44 N 1 -12.60 1.90 104.80 92.20 A A A CA CB CG PRO PRO PRO 44 44 44 N 1 -17.20 1.60 122.70 105.50 A A A O C N PRO PRO THR 44 44 45 Y 1 -20.95 2.70 111.60 90.65 A A A CB CA C THR THR THR 45 45 45 N 1 -15.90 1.40 112.40 96.50 A A A CA CB CG2 THR THR THR 45 45 45 N 1 -17.76 2.10 120.10 102.34 A A A CA C O THR THR THR 45 45 45 N 1 23.68 2.20 117.20 140.88 A A A CA C N THR THR VAL 45 45 46 Y 1 -24.47 2.20 111.50 87.03 A A A N CA CB VAL VAL VAL 46 46 46 N 1 20.34 1.60 110.90 131.24 A A A CG1 CB CG2 VAL VAL VAL 46 46 46 N 1 -15.43 2.10 120.10 104.67 A A A CA C O VAL VAL VAL 46 46 46 N 1 20.08 1.80 110.60 130.68 A A A N CA CB LYS LYS LYS 47 47 47 N 1 19.24 2.60 111.60 130.84 A A A CB CG CD LYS LYS LYS 47 47 47 N 1 -24.88 2.10 120.10 95.22 A A A CA C O LYS LYS LYS 47 47 47 N 1 32.04 2.80 117.10 149.14 A A A CA C N LYS LYS PRO 47 47 48 Y 1 12.60 1.50 119.30 131.90 A A A C N CA LYS PRO PRO 47 48 48 Y 1 -27.49 1.40 111.70 84.21 A A A CA N CD PRO PRO PRO 48 48 48 N 1 18.10 2.10 111.70 129.80 A A A CB CA C PRO PRO PRO 48 48 48 N 1 -12.02 1.20 103.30 91.28 A A A N CA CB PRO PRO PRO 48 48 48 N 1 -10.60 1.70 123.20 112.60 A A A O C N PRO PRO GLY 48 48 49 Y 1 -13.45 2.10 122.30 108.85 A A A C N CA PRO GLY GLY 48 49 49 Y 1 13.48 1.80 120.60 134.08 A A A CA C O GLY GLY GLY 49 49 49 N 1 -15.56 2.20 117.20 101.64 A A A CA C N GLY GLY ILE 49 49 50 Y 1 -29.84 2.00 111.60 81.76 A A A CB CA C ILE ILE ILE 50 50 50 N 1 16.51 2.30 110.80 127.31 A A A N CA CB ILE ILE ILE 50 50 50 N 1 13.40 2.00 110.90 124.30 A A A CA CB CG2 ILE ILE ILE 50 50 50 N 1 18.96 2.70 111.00 129.96 A A A N CA C ILE ILE ILE 50 50 50 N 1 -16.56 2.20 117.20 100.64 A A A CA C N ILE ILE LYS 50 50 51 Y 1 19.32 1.60 122.70 142.02 A A A O C N ILE ILE LYS 50 50 51 Y 1 -18.22 2.30 111.70 93.48 A A A CD CE NZ LYS LYS LYS 51 51 51 N 1 19.12 2.70 111.00 130.12 A A A N CA C LYS LYS LYS 51 51 51 N 1 -13.15 2.10 120.10 106.95 A A A CA C O LYS LYS LYS 51 51 51 N 1 16.26 2.00 110.40 126.66 A A A N CA CB LEU LEU LEU 52 52 52 N 1 31.36 2.30 115.30 146.66 A A A CA CB CG LEU LEU LEU 52 52 52 N 1 -10.87 1.70 111.00 100.13 A A A CB CG CD1 LEU LEU LEU 52 52 52 N 1 -10.98 1.70 111.00 100.02 A A A CB CG CD2 LEU LEU LEU 52 52 52 N 1 -14.08 1.50 110.50 96.42 A A A N CA CB SER SER SER 53 53 53 N 1 -16.91 2.20 117.20 100.29 A A A CA C N SER SER CYS 53 53 54 Y 1 20.08 1.60 122.70 142.78 A A A O C N SER SER CYS 53 53 54 Y 1 22.55 2.20 117.20 139.75 A A A CA C N CYS CYS CYS 54 54 55 Y 1 -22.05 1.60 122.70 100.65 A A A O C N CYS CYS CYS 54 54 55 Y 1 12.69 1.20 111.50 124.19 A A A CB CA C CYS CYS CYS 55 55 55 N 1 -11.37 1.80 110.60 99.23 A A A N CA CB CYS CYS CYS 55 55 55 N 1 -19.90 2.70 111.00 91.10 A A A N CA C CYS CYS CYS 55 55 55 N 1 19.87 2.10 120.10 139.97 A A A CA C O CYS CYS CYS 55 55 55 N 1 -22.14 1.60 122.70 100.56 A A A O C N CYS CYS GLU 55 55 56 Y 1 -26.41 2.00 110.40 83.99 A A A CB CA C GLU GLU GLU 56 56 56 N 1 16.64 1.80 110.60 127.24 A A A N CA CB GLU GLU GLU 56 56 56 N 1 9.95 1.20 123.30 133.25 A A A OE1 CD OE2 GLU GLU GLU 56 56 56 N 1 -18.26 2.00 118.30 100.04 A A A CG CD OE1 GLU GLU GLU 56 56 56 N 1 37.16 2.70 111.00 148.16 A A A N CA C GLU GLU GLU 56 56 56 N 1 15.62 2.20 117.20 132.82 A A A CA C N SER SER GLU 57 57 58 Y 1 -9.93 1.60 122.70 112.77 A A A O C N SER SER GLU 57 57 58 Y 1 22.85 2.50 121.70 144.55 A A A C N CA SER GLU GLU 57 58 58 Y 1 -25.99 1.20 123.30 97.31 A A A OE1 CD OE2 GLU GLU GLU 58 58 58 N 1 16.18 2.00 118.30 134.48 A A A CG CD OE1 GLU GLU GLU 58 58 58 N 1 -22.89 2.10 120.10 97.21 A A A CA C O GLU GLU GLU 58 58 58 N 1 23.83 2.20 117.20 141.03 A A A CA C N GLU GLU VAL 58 58 59 Y 1 13.27 2.20 117.20 130.47 A A A CA C N VAL VAL CYS 59 59 60 Y 1 -13.81 1.60 122.70 108.89 A A A O C N VAL VAL CYS 59 59 60 Y 1 18.21 2.50 121.70 139.91 A A A C N CA VAL CYS CYS 59 60 60 Y 1 14.90 1.50 110.80 125.70 A A A N CA CB CYS CYS CYS 60 60 60 N 1 -19.96 1.60 122.70 102.74 A A A O C N CYS CYS ASN 60 60 61 Y 1 23.64 2.50 121.70 145.34 A A A C N CA CYS ASN ASN 60 61 61 Y 1 20.51 2.20 113.40 133.91 A A A CA CB CG ASN ASN ASN 61 61 61 N 1 -29.91 2.00 121.60 91.69 A A A CB CG OD1 ASN ASN ASN 61 61 61 N 1 14.98 2.40 116.70 131.68 A A A CB CG ND2 ASN ASN ASN 61 61 61 N 1 20.43 1.60 122.70 143.13 A A A O C N ASN ASN ASN 61 61 62 Y 1 -17.62 2.00 110.40 92.78 A A A CB CA C ASN ASN ASN 62 62 62 N 1 18.01 1.80 110.60 128.61 A A A N CA CB ASN ASN ASN 62 62 62 N 1 -19.15 2.20 113.40 94.25 A A A CA CB CG ASN ASN ASN 62 62 62 N 1 A A CZ NH2 ARG ARG 1 1 0.099 0.013 1.326 1.425 N 1 A A CB OG SER SER 8 8 0.086 0.013 1.418 1.504 N 1 A A N CA PRO PRO 11 11 -0.137 0.017 1.468 1.331 N 1 A A C O PRO PRO 11 11 -0.128 0.020 1.228 1.100 N 1 A A CD OE1 GLN GLN 12 12 0.143 0.022 1.235 1.378 N 1 A A C N THR CYS 16 17 -0.505 0.023 1.336 0.831 Y 1 A A CB SG CYS CYS 17 17 -0.255 0.016 1.812 1.557 N 1 A A C N SER CYS 23 24 0.174 0.023 1.336 1.510 Y 1 A A CB SG CYS CYS 24 24 -0.100 0.016 1.812 1.712 N 1 A A CG CD1 TYR TYR 25 25 0.079 0.013 1.387 1.466 N 1 A A CE1 NE2 HIS HIS 26 26 -0.137 0.011 1.317 1.180 N 1 A A CD1 NE1 TRP TRP 29 29 0.107 0.017 1.375 1.482 N 1 A A CB CG ASP ASP 31 31 -0.164 0.021 1.513 1.349 N 1 A A CE2 CD2 PHE PHE 32 32 0.143 0.020 1.388 1.531 N 1 A A NE CZ ARG ARG 33 33 0.087 0.013 1.326 1.413 N 1 A A CZ NH1 ARG ARG 33 33 0.108 0.013 1.326 1.434 N 1 A A N CA GLY GLY 34 34 0.094 0.015 1.456 1.550 N 1 A A N CA ILE ILE 36 36 0.120 0.020 1.459 1.579 N 1 A A CG CD GLU GLU 38 38 0.108 0.015 1.515 1.623 N 1 A A C O ARG ARG 39 39 -0.119 0.019 1.229 1.110 N 1 A A C O GLY GLY 42 42 0.154 0.016 1.232 1.386 N 1 A A CA CB CYS CYS 43 43 -0.089 0.013 1.526 1.437 N 1 A A CA C PRO PRO 48 48 -0.121 0.020 1.524 1.403 N 1 A A N CA GLY GLY 49 49 0.112 0.015 1.456 1.568 N 1 A A CD OE2 GLU GLU 56 56 -0.070 0.011 1.252 1.182 N 1 A A CD OE2 GLU GLU 58 58 -0.117 0.011 1.252 1.135 N 1 A A CA CB CYS CYS 60 60 -0.114 0.013 1.526 1.412 N 1 A A CG ND2 ASN ASN 61 61 -0.259 0.025 1.324 1.065 N 1 A A CG ND2 ASN ASN 62 62 -0.157 0.025 1.324 1.167 N 1 A A C OXT ASN ASN 62 62 0.146 0.019 1.229 1.375 N 1 A A NH1 O ARG HOH 1 95 0.23 1_555 1_556 1 A A O O HOH HOH 114 119 0.27 1_555 2_665 1 A A O O HOH HOH 89 110 0.51 1_555 4_556 1 A A C O CYS HOH 55 66 0.61 1_555 1_556 1 A A C O CYS HOH 55 128 0.69 1_555 1_556 1 A A O O CYS HOH 55 128 0.92 1_555 1_556 1 A A N O GLU HOH 56 66 0.93 1_555 1_556 1 A A CB O CYS HOH 60 74 1.09 1_555 1_556 1 A A N O GLU HOH 56 128 1.10 1_555 1_556 1 A A CZ O ARG HOH 1 95 1.15 1_555 1_556 1 A A OE1 O GLU HOH 58 65 1.37 1_555 1_556 1 A A O O HOH HOH 86 107 1.43 1_555 4_556 1 A A O O CYS HOH 55 66 1.43 1_555 1_556 1 A A CB O GLU HOH 58 129 1.44 1_555 1_556 1 A A CA O GLU HOH 58 129 1.52 1_555 1_556 1 A A OE2 O GLU HOH 58 65 1.53 1_555 1_556 1 A A CG O GLU HOH 56 94 1.54 1_555 1_556 1 A A NH1 O ARG HOH 33 108 1.64 1_555 1_554 1 A A C O GLU HOH 58 129 1.65 1_555 1_556 1 A A NH1 OG ARG SER 33 53 1.69 1_555 1_554 1 A A O O SER HOH 22 95 1.74 1_555 1_556 1 A A O O THR HOH 35 89 1.84 1_555 4_456 1 A A CA O CYS HOH 55 66 1.85 1_555 1_556 1 A A CD O PRO HOH 48 92 1.88 1_555 2_665 1 A A CD O GLU HOH 56 94 1.89 1_555 1_556 1 A A CD O GLU HOH 58 65 1.91 1_555 1_556 1 A A CA O GLU HOH 56 66 1.92 1_555 1_556 1 A A NE O ARG HOH 1 65 1.95 1_555 1_556 1 A A OE1 CD1 GLN ILE 12 50 1.95 1_555 3_646 1 A A CB O THR HOH 35 89 1.98 1_555 4_456 1 A A CA O CYS HOH 60 74 2.03 1_555 1_556 1 A A CE2 CE PHE LYS 4 51 2.13 1_555 3_646 1 A A NE O ARG HOH 1 95 2.14 1_555 1_556 1 A A CA O CYS HOH 55 128 2.16 1_555 1_556 1 A A C O THR HOH 35 89 2.16 1_555 4_456 1 A SER 8 23.96 48.19 1 A SER 9 26.00 81.86 1 A GLN 10 -32.88 176.88 1 A TRP 29 -142.45 -155.77 1 A ASP 31 173.26 -175.78 1 A CYS 43 -171.25 89.06 1 A PRO 44 -6.01 144.93 1 A LYS 47 135.59 123.30 1 A PRO 48 -3.96 94.57 1 A ILE 50 -38.98 -75.64 1 A LYS 51 63.77 66.28 1 A GLU 56 -46.71 63.06 1 A CYS 60 -16.28 -49.18 1.38 1 1.38 67 543 4 0 472 refinement PROLSQ NEUROTOXIN B (PROBABLY IDENTICAL TO ERABUTOXIN B) STRUCTURE AND FUNCTION OF SNAKE VENOM CURARIMIMETIC NEUROTOXINS 1 N N 2 N N 2 N N 3 N N disulf 1.949 A CYS 3 A SG CYS 3 1_555 A CYS 24 A SG CYS 24 1_555 disulf 1.597 A CYS 17 A SG CYS 17 1_555 A CYS 41 A SG CYS 41 1_555 disulf 1.970 A CYS 43 A SG CYS 43 1_555 A CYS 54 A SG CYS 54 1_555 disulf 2.135 A CYS 55 A SG CYS 55 1_555 A CYS 60 A SG CYS 60 1_555 covale 1.874 A GLU 58 A CG GLU 58 1_555 A SO4 63 B S SO4 1_555 covale 1.611 A GLU 58 A CD GLU 58 1_555 A SO4 63 B S SO4 1_555 covale 1.402 A GLU 58 A OE2 GLU 58 1_555 A SO4 63 B S SO4 1_555 covale 2.045 A GLU 58 A CD GLU 58 1_555 A SO4 63 B O2 SO4 1_555 covale 1.387 A GLU 58 A OE2 GLU 58 1_555 A SO4 63 B O2 SO4 1_555 NEUROTOXIN (POST-SYNAPTIC) NEUROTOXIN (POST-SYNAPTIC) NXSB_LATSE UNP 1 1 Q90VW1 MKTLLLTLVVVTIVCLDLGYTRICFNHQSSQPQTTKTCSPGESSCYNKQWSDFRGTIIERGCGCPTVKPGIKLSCCESEV CNN 22 83 1NXB 1 62 Q90VW1 A 1 1 62 1 HIS CONFLICT GLN 6 1NXB A Q90VW1 UNP 27 6 1 GLN CONFLICT HIS 7 1NXB A Q90VW1 UNP 28 7 1 ASN CONFLICT HIS 26 1NXB A Q90VW1 UNP 47 26 5 anti-parallel anti-parallel anti-parallel anti-parallel A THR 13 A THR 13 A CYS 17 A CYS 17 A ILE 2 A ILE 2 A HIS 7 A HIS 7 A GLY 34 A GLY 34 A GLY 40 A GLY 40 A TYR 25 A TYR 25 A ASP 31 A ASP 31 A LYS 51 A LYS 51 A CYS 54 A CYS 54 RESIDUES FORMING THE PUTATIVE ACETYLCHOLINEMIMETIC SITE Author 3 ESSENTIAL TRYPTOPHAN Author 1 RESIDUES FORMING THE ESSENTIAL LYSINE SURFACE Author 2 BINDING SITE FOR RESIDUE SO4 A 63 Software 5 BINDING SITE FOR RESIDUE SO4 A 64 Software 3 A ASP 31 A ASP 31 3 1_555 A PHE 32 A PHE 32 3 1_555 A ARG 33 A ARG 33 3 1_555 A TRP 29 A TRP 29 1 1_555 A LYS 27 A LYS 27 2 1_555 A LYS 47 A LYS 47 2 1_555 A ARG 1 A ARG 1 5 1_555 A ILE 2 A ILE 2 5 1_555 A GLU 58 A GLU 58 5 1_555 A HOH 65 D HOH 5 1_556 A HOH 129 D HOH 5 1_556 A ASN 5 A ASN 5 3 1_555 A LYS 15 A LYS 15 3 1_555 A HOH 82 D HOH 3 1_555 19 P 21 21 21