1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Frenal, K. Wecker, K. Gurrola, G.B. Possani, L.D. Wolff, N. Delepierre, M. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 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 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 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 Proteins PSFGEY 0867 0887-3585 56 367 375 10.1002/prot.20102 15211519 Exploring structural features of the interaction between the scorpion toxinCnErg1 and ERG K+ channels. 2004 10.2210/pdb1px9/pdb pdb_00001px9 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 SINGLE WAVELENGTH M 1 1.0 4746.415 ergtoxin 1 nat polymer no no DRDSCVDKSRCAKYGYYQECQDCCKNAGHNGGTCMFFKCKCA DRDSCVDKSRCAKYGYYQECQDCCKNAGHNGGTCMFFKCKCA 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 Mexican scorpion Centruroides sample 6878 Centruroides noxius venom database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2004-06-22 1 1 2008-04-29 1 2 2011-07-13 1 3 2022-03-02 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name RCSB Y RCSB 2003-07-03 REL shigemi tube and nano-probe structures with acceptable covalent geometry, structures with favorable non-bond energy, structures with the least restraint violations, structures with the lowest energy 10 1 2D NOESY 2D TOCSY DQF-COSY 3 ambient 303 K The structures are based on a total of 452 distance constraints (252 are intraresidual NOE-derivated distance constraints, 200 are interresidual NOE-derivated distance constraints including 49 long range), 13 3J and 10 hbonds simulated annealing 1 fewest violations, lowest energy 0.55 mg of lyophilized natural ErgTx 0.160 mL, H2O/D2O 9:1, pH 3 Accelrys technologies processing Discover insightII 2000 Accelrys technologies data analysis Discover insightII 2000 Accelrys technologies refinement Discover insightII 2000 500 Varian INOVA 600 Varian INOVA ASP 1 n 1 ASP 1 A ARG 2 n 2 ARG 2 A ASP 3 n 3 ASP 3 A SER 4 n 4 SER 4 A CYS 5 n 5 CYS 5 A VAL 6 n 6 VAL 6 A ASP 7 n 7 ASP 7 A LYS 8 n 8 LYS 8 A SER 9 n 9 SER 9 A ARG 10 n 10 ARG 10 A CYS 11 n 11 CYS 11 A ALA 12 n 12 ALA 12 A LYS 13 n 13 LYS 13 A TYR 14 n 14 TYR 14 A GLY 15 n 15 GLY 15 A TYR 16 n 16 TYR 16 A TYR 17 n 17 TYR 17 A GLN 18 n 18 GLN 18 A GLU 19 n 19 GLU 19 A CYS 20 n 20 CYS 20 A GLN 21 n 21 GLN 21 A ASP 22 n 22 ASP 22 A CYS 23 n 23 CYS 23 A CYS 24 n 24 CYS 24 A LYS 25 n 25 LYS 25 A ASN 26 n 26 ASN 26 A ALA 27 n 27 ALA 27 A GLY 28 n 28 GLY 28 A HIS 29 n 29 HIS 29 A ASN 30 n 30 ASN 30 A GLY 31 n 31 GLY 31 A GLY 32 n 32 GLY 32 A THR 33 n 33 THR 33 A CYS 34 n 34 CYS 34 A MET 35 n 35 MET 35 A PHE 36 n 36 PHE 36 A PHE 37 n 37 PHE 37 A LYS 38 n 38 LYS 38 A CYS 39 n 39 CYS 39 A LYS 40 n 40 LYS 40 A CYS 41 n 41 CYS 41 A ALA 42 n 42 ALA 42 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 N GLY 15 A N GLY 15 A O CYS 34 A O CYS 34 A N THR 33 A N THR 33 A O LYS 40 A O LYS 40 1 12.46 1.10 114.20 126.66 A A A CA CB SG CYS CYS CYS 34 34 34 N 1 A A C OXT ALA ALA 42 42 0.136 0.019 1.229 1.365 N 1 A VAL 6 -131.15 -68.90 1 A LYS 8 -84.33 48.64 1 A TYR 17 -166.13 112.53 1 A ASN 30 166.44 -64.55 1 A MET 35 163.57 141.22 1 A PHE 37 -166.03 36.04 Solution structure of the native CnErg1 Ergtoxin, a highly specific inhibitor of HERG channel 1 N N A ARG 2 A ARG 2 HELX_P A VAL 6 A VAL 6 5 1 5 A TYR 17 A TYR 17 HELX_P A GLY 28 A GLY 28 1 2 12 disulf 2.030 A CYS 5 A SG CYS 5 1_555 A CYS 23 A SG CYS 23 1_555 disulf 2.007 A CYS 11 A SG CYS 11 1_555 A CYS 34 A SG CYS 34 1_555 disulf 2.016 A CYS 20 A SG CYS 20 1_555 A CYS 39 A SG CYS 39 1_555 disulf 2.022 A CYS 24 A SG CYS 24 1_555 A CYS 41 A SG CYS 41 1_555 TOXIN alpha/beta molecular scaffold, TOXIN A MET 35 A MET 35 1 A PHE 36 A PHE 36 -5.34 SEK1_CENNO UNP 1 1 Q86QT3 DRDSCVDKSRCAKYGYYQECQDCCKNAGHNGGTCMFFKCKCA 1 42 1PX9 1 42 Q86QT3 A 1 1 42 3 anti-parallel anti-parallel A TYR 14 A TYR 14 A GLY 15 A GLY 15 A GLY 32 A GLY 32 A MET 35 A MET 35 A CYS 39 A CYS 39 A CYS 41 A CYS 41