1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Srinivasan, K.N. Sivaraja, V. Huys, I. Sasaki, T. Cheng, B. Kumar, T.K.S. Sato, K. Tytgat, J. Yu, C. Brian Chia, C.S. Ranganathan, S. Bowie, J.H. Kini, R.M. Gopalakrishnakone, P. 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 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 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 US J.Biol.Chem. JBCHA3 0071 0021-9258 277 30040 30047 10.1074/jbc.M111258200 12034709 kappa-Hefutoxin1, a novel toxin from the scorpion Heterometrus fulvipes with unique structure and function. Importance of the functional diad in potassium channel selectivity. 2002 10.2210/pdb1hp9/pdb pdb_00001hp9 Chirality error at the CD center of ARG A 21. 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 2664.912 kappa-hefutoxin 1 1 syn polymer no no GHACYRNCWREGNDEETCKERC GHACYRNCWREGNDEETCKERC 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 database_2 pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Database references Derived calculations 1 0 2002-08-28 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession RCSB Y PDBJ 2000-12-12 REL REL This sequence occurs naturally in the scorpion, Heterometrus fulvipes sample this structure was determined by 2D NMR 20 1 DQF-COSY 10 3.5 ambient 310 K molecular dynamics/simulated annealing 1 minimized average structure 18.59mg of HEFUTOXIN1 was dissolved in 0.70ml of water / D2O (9:1 by volume) containing 50mM of phosphate buffer 90% H2O/10% D2O processing VNMR 5.3 600 Varian UNITY GLY 1 n 1 GLY 1 A HIS 2 n 2 HIS 2 A ALA 3 n 3 ALA 3 A CYS 4 n 4 CYS 4 A TYR 5 n 5 TYR 5 A ARG 6 n 6 ARG 6 A ASN 7 n 7 ASN 7 A CYS 8 n 8 CYS 8 A TRP 9 n 9 TRP 9 A ARG 10 n 10 ARG 10 A GLU 11 n 11 GLU 11 A GLY 12 n 12 GLY 12 A ASN 13 n 13 ASN 13 A ASP 14 n 14 ASP 14 A GLU 15 n 15 GLU 15 A GLU 16 n 16 GLU 16 A THR 17 n 17 THR 17 A CYS 18 n 18 CYS 18 A LYS 19 n 19 LYS 19 A GLU 20 n 20 GLU 20 A ARG 21 n 21 ARG 21 A CYS 22 n 22 CYS 22 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 1 A A GLY HIS 1 2 125.44 1 A ARG 21 0.338 SIDE CHAIN 1 -13.31 1.70 113.60 100.29 A A A CA CB CG HIS HIS HIS 2 2 2 N 1 -13.73 2.10 111.80 98.07 A A A CG CD NE ARG ARG ARG 10 10 10 N 1 -5.43 0.50 120.30 114.87 A A A NE CZ NH2 ARG ARG ARG 10 10 10 N 1 21.25 2.10 111.80 133.05 A A A CG CD NE ARG ARG ARG 21 21 21 N 1 -9.35 1.40 123.60 114.25 A A A CD NE CZ ARG ARG ARG 21 21 21 N 1 -8.09 0.50 120.30 112.21 A A A NE CZ NH1 ARG ARG ARG 21 21 21 N 1 A HIS 2 73.34 89.03 1 A ARG 6 -94.84 -98.67 1 A GLU 11 -70.05 -71.49 1 A ARG 21 -90.38 -75.23 minimized average kappa-Hefutoxins: a novel Class of Potassium Channel Toxins from Scorpion venom 1 N N A ARG 6 A ARG 6 HELX_P A ASN 13 A ASN 13 1 1 8 A GLU 16 A GLU 16 HELX_P A CYS 22 A CYS 22 1 2 7 disulf 1.997 A CYS 4 A SG CYS 4 1_555 A CYS 22 A SG CYS 22 1_555 disulf 2.037 A CYS 8 A SG CYS 8 1_555 A CYS 18 A SG CYS 18 1_555 TOXIN SCORPION TOXIN, GATING MODIFIER, VOLTAGE-GATED POTASSIUM CHANNEL, TOXIN TX1_HETFU UNP 1 1 P82850 1 22 1HP9 1 22 P82850 A 1 1 22