1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Peng, K. Shu, Q. Liang, S.P. 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 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 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 J.Biol.Chem. JBCHA3 0071 0021-9258 277 47564 47571 10.1074/jbc.M204063200 12228241 Function and solution structure of huwentoxin-IV, a potent neuronal tetrodotoxin (TTX)-sensitive sodium channel antagonist from Chinese bird spider Selenocosmia huwena 2002 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 4120.865 huwentoxin-iv 1 nat polymer no no ECLEIFKACNPSNDQCCKSSKLVCSRKTRWCKYQI ECLEIFKACNPSNDQCCKSSKLVCSRKTRWCKYQI 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 Chinese earth tiger Ornithoctonus sample 29017 Ornithoctonus huwena venom pdbx_struct_assembly pdbx_struct_oper_list struct_conf repository Initial release Version format compliance Version format compliance Derived calculations 1 0 2002-08-21 1 1 2008-04-28 1 2 2011-07-13 1 3 2017-11-29 RCSB Y PDBJ 2002-08-02 REL REL THIS STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR TECHNIQUES. structures with the lowest energy 50 20 NOESY DQF-COSY TOCSY E-COSY 20 4.50 1 atm 300.00 K THE STRUCTURES ARE BASED ON 527 NOE-DERIVED DISTANCE CONSTRAINTS, 14 DIHEDRAL ANGEL RESTRAINTS AND 9 FAKE DISTANCE RESTRAINTS FROM DISULFIDE BONDS. simulated annealing 1 closest to the average 5MM HUWENTOXIN-IV MMOL/L PHOSPHATE BUFFER; 90%H2O, 10%D2O 90% H2O/10% D2O BRUNGER refinement X-PLOR 3.851 MSI.Corp. structure solution FELIX 98.0 500 Bruker DMX GLU 1 n 1 GLU 1 A CYS 2 n 2 CYS 2 A LEU 3 n 3 LEU 3 A GLU 4 n 4 GLU 4 A ILE 5 n 5 ILE 5 A PHE 6 n 6 PHE 6 A LYS 7 n 7 LYS 7 A ALA 8 n 8 ALA 8 A CYS 9 n 9 CYS 9 A ASN 10 n 10 ASN 10 A PRO 11 n 11 PRO 11 A SER 12 n 12 SER 12 A ASN 13 n 13 ASN 13 A ASP 14 n 14 ASP 14 A GLN 15 n 15 GLN 15 A CYS 16 n 16 CYS 16 A CYS 17 n 17 CYS 17 A LYS 18 n 18 LYS 18 A SER 19 n 19 SER 19 A SER 20 n 20 SER 20 A LYS 21 n 21 LYS 21 A LEU 22 n 22 LEU 22 A VAL 23 n 23 VAL 23 A CYS 24 n 24 CYS 24 A SER 25 n 25 SER 25 A ARG 26 n 26 ARG 26 A LYS 27 n 27 LYS 27 A THR 28 n 28 THR 28 A ARG 29 n 29 ARG 29 A TRP 30 n 30 TRP 30 A CYS 31 n 31 CYS 31 A LYS 32 n 32 LYS 32 A TYR 33 n 33 TYR 33 A GLN 34 n 34 GLN 34 A ILE 35 n 35 ILE 35 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 identity operation 0.0000000000 0.0000000000 0.0000000000 A N VAL 23 A N VAL 23 A O LYS 32 A O LYS 32 1 A ARG 26 0.307 SIDE CHAIN 1 A ARG 29 0.303 SIDE CHAIN 2 A ARG 26 0.297 SIDE CHAIN 2 A ARG 29 0.310 SIDE CHAIN 3 A ARG 26 0.303 SIDE CHAIN 3 A ARG 29 0.303 SIDE CHAIN 4 A ARG 26 0.299 SIDE CHAIN 4 A ARG 29 0.306 SIDE CHAIN 5 A ARG 26 0.316 SIDE CHAIN 5 A ARG 29 0.280 SIDE CHAIN 6 A ARG 26 0.283 SIDE CHAIN 6 A ARG 29 0.301 SIDE CHAIN 7 A ARG 26 0.315 SIDE CHAIN 7 A ARG 29 0.301 SIDE CHAIN 8 A ARG 26 0.303 SIDE CHAIN 8 A ARG 29 0.305 SIDE CHAIN 9 A ARG 26 0.309 SIDE CHAIN 9 A ARG 29 0.318 SIDE CHAIN 10 A ARG 26 0.317 SIDE CHAIN 10 A ARG 29 0.271 SIDE CHAIN 11 A ARG 26 0.310 SIDE CHAIN 11 A ARG 29 0.304 SIDE CHAIN 12 A ARG 26 0.263 SIDE CHAIN 12 A ARG 29 0.314 SIDE CHAIN 13 A ARG 26 0.311 SIDE CHAIN 13 A ARG 29 0.278 SIDE CHAIN 14 A ARG 26 0.282 SIDE CHAIN 14 A ARG 29 0.288 SIDE CHAIN 15 A ARG 26 0.312 SIDE CHAIN 15 A ARG 29 0.315 SIDE CHAIN 16 A ARG 26 0.317 SIDE CHAIN 16 A ARG 29 0.315 SIDE CHAIN 17 A ARG 26 0.291 SIDE CHAIN 17 A ARG 29 0.312 SIDE CHAIN 18 A ARG 26 0.238 SIDE CHAIN 18 A ARG 29 0.317 SIDE CHAIN 19 A ARG 26 0.310 SIDE CHAIN 19 A ARG 29 0.313 SIDE CHAIN 20 A ARG 26 0.315 SIDE CHAIN 20 A ARG 29 0.281 SIDE CHAIN 2 A GLU 4 -69.90 -176.99 4 A GLU 4 -68.29 -172.27 4 A ASN 13 -105.78 79.12 4 A GLN 15 -107.71 46.43 9 A ASP 14 -69.56 99.00 11 A GLN 34 -91.46 56.53 12 A GLU 4 -66.95 -174.72 12 A LYS 21 52.04 74.66 13 A ASN 13 -110.49 78.57 13 A LYS 21 55.36 74.32 14 A GLU 4 -68.49 -178.07 17 A ARG 29 72.21 -4.27 18 A GLU 4 -65.36 -171.84 18 A ASN 13 -100.70 65.37 Huwentoxin-IV Three dimensional solution structure of huwentoxin-IV by 2D 1H-NMR 1 N N disulf 2.020 A CYS 2 A SG CYS 2 1_555 A CYS 17 A SG CYS 17 1_555 disulf 2.020 A CYS 9 A SG CYS 9 1_555 A CYS 24 A SG CYS 24 1_555 disulf 2.019 A CYS 16 A SG CYS 16 1_555 A CYS 31 A SG CYS 31 1_555 TOXIN containing a double-stranded beta-sheet and four beta-turns, TOXIN TXH4_ORNHU UNP 1 1 P83303 ECLEIFKACNPSNDQCCKSSKLVCSRKTRWCKYQI 1 35 1MB6 1 35 P83303 A 1 1 35 2 anti-parallel A LEU 22 A LEU 22 A SER 25 A SER 25 A TRP 30 A TRP 30 A TYR 33 A TYR 33 1 P 1