1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 0000-0001-8672-0567 del Rio Portilla, F. Melchor Meneses, C.M. Titaux Delgado, G.A. Mayorga Flores, 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 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 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 C9 H11 N O3 181.189 y TYROSINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking US Acs Med.Chem.Lett. 1948-5875 10.1021/acsmedchemlett.0c00300 Novel Blocker of Onco SK3 Channels Derived from Scorpion Toxin Tamapin and Active against Migration of Cancer Cells 2020 10.2210/pdb6d8u/pdb pdb_00006d8u 3470.119 Potassium channel toxin alpha-KTx 5.4 K20E 1 man polymer Tamapin no no AFCNLRRCELSCRSLGLLGECIGEECKCVPY AFCNLRRCELSCRSLGLLGECIGEECKCVPY 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 Eastern Indian scorpion sample 1 31 34647 Mesobuthus tamulus 562 Escherichia coli Rosetta Biological sequence citation citation_author database_2 pdbx_database_status repository Initial release Database references Database references Other 1 0 2019-05-01 1 1 2020-07-29 1 2 2023-06-14 _citation.country _citation.journal_abbrev _citation.journal_id_CSD _citation.journal_id_ISSN _citation.pdbx_database_id_DOI _citation.title _citation.year _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.status_code_nmr_data NMR solution structure of tamapin, mutant K20E N RCSB Y RCSB 2018-04-26 REL REL REL REL structures with the lowest energy 200 20 isotropic 1 2D 1H-1H TOCSY isotropic 1 2D 1H-1H NOESY 2.0 mM natural abundance 0 Not defined 1 5.5 pH 1 atm 298 K used also for simulated annealing molecular dynamics 1 lowest energy 2.0 mM Potassium channel toxin alpha-KTx 5.4, 95% H2O/5% D2O 1H_sample 95% H2O/5% D2O solution Case, Darden, Cheatham III, Simmerling, Wang, Duke, Luo, ... and Kollman refinement Amber 16 Guntert, Mumenthaler and Wuthrich structure calculation CYANA 2.1 Keller and Wuthrich chemical shift assignment CARA 1.8 Keller and Wuthrich peak picking CARA 1.8 Delaglio, Grzesiek, Vuister, Zhu, Pfeifer and Bax processing NMRPipe 2014 500 Varian INOVA ALA 1 n 1 ALA 1 A PHE 2 n 2 PHE 2 A CYS 3 n 3 CYS 3 A ASN 4 n 4 ASN 4 A LEU 5 n 5 LEU 5 A ARG 6 n 6 ARG 6 A ARG 7 n 7 ARG 7 A CYS 8 n 8 CYS 8 A GLU 9 n 9 GLU 9 A LEU 10 n 10 LEU 10 A SER 11 n 11 SER 11 A CYS 12 n 12 CYS 12 A ARG 13 n 13 ARG 13 A SER 14 n 14 SER 14 A LEU 15 n 15 LEU 15 A GLY 16 n 16 GLY 16 A LEU 17 n 17 LEU 17 A LEU 18 n 18 LEU 18 A GLY 19 n 19 GLY 19 A GLU 20 n 20 GLU 20 A CYS 21 n 21 CYS 21 A ILE 22 n 22 ILE 22 A GLY 23 n 23 GLY 23 A GLU 24 n 24 GLU 24 A GLU 25 n 25 GLU 25 A CYS 26 n 26 CYS 26 A LYS 27 n 27 LYS 27 A CYS 28 n 28 CYS 28 A VAL 29 n 29 VAL 29 A PRO 30 n 30 PRO 30 A TYR 31 n 31 TYR 31 A author_defined_assembly 1 monomeric none 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 GLU 20 A N GLU 20 A O LYS 27 A O LYS 27 1 A ARG 7 0.087 SIDE CHAIN 2 A PHE 2 0.117 SIDE CHAIN 3 A PHE 2 0.110 SIDE CHAIN 13 A ARG 6 0.079 SIDE CHAIN 1 -10.96 1.80 110.60 99.64 A A A N CA CB GLU GLU GLU 9 9 9 N 2 3.06 0.50 120.30 123.36 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 3 3.99 0.50 120.30 124.29 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 4 3.57 0.50 120.30 123.87 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 4 3.84 0.50 120.30 124.14 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 4 4.28 0.50 120.30 124.58 A A A NE CZ NH1 ARG ARG ARG 13 13 13 N 5 4.59 0.50 120.30 124.89 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 6 4.01 0.50 120.30 124.31 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 6 3.19 0.50 120.30 123.49 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 6 4.60 0.50 120.30 124.90 A A A NE CZ NH1 ARG ARG ARG 13 13 13 N 7 3.35 0.50 120.30 123.65 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 7 3.01 0.50 120.30 123.31 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 7 3.36 0.50 120.30 123.66 A A A NE CZ NH1 ARG ARG ARG 13 13 13 N 8 3.30 0.50 120.30 123.60 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 9 4.19 0.50 120.30 124.49 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 9 4.07 0.50 120.30 124.37 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 10 3.56 0.50 120.30 123.86 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 10 3.46 0.50 120.30 123.76 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 11 3.09 0.50 120.30 123.39 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 11 3.20 0.50 120.30 123.50 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 12 4.31 0.50 120.30 124.61 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 12 3.13 0.50 120.30 123.43 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 13 3.12 0.50 120.30 123.42 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 14 3.06 0.50 120.30 123.36 A A A NE CZ NH1 ARG ARG ARG 13 13 13 N 15 3.51 0.50 120.30 123.81 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 15 3.39 0.50 120.30 123.69 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 15 3.71 0.50 120.30 124.01 A A A NE CZ NH1 ARG ARG ARG 13 13 13 N 16 3.71 0.50 120.30 124.01 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 17 3.73 0.50 120.30 124.03 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 17 3.33 0.50 120.30 123.63 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 17 3.80 0.50 120.30 124.10 A A A NE CZ NH1 ARG ARG ARG 13 13 13 N 18 4.13 0.50 120.30 124.43 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 18 3.60 0.50 120.30 123.90 A A A NE CZ NH1 ARG ARG ARG 7 7 7 N 19 4.41 0.50 120.30 124.71 A A A NE CZ NH1 ARG ARG ARG 13 13 13 N 20 3.42 0.50 120.30 123.72 A A A NE CZ NH1 ARG ARG ARG 6 6 6 N 3 A ILE 22 -97.13 -60.91 6 A ASN 4 -115.19 61.63 7 A LEU 17 -107.41 -164.21 8 A ASN 4 -112.85 78.14 9 A CYS 3 -72.03 23.81 9 A ILE 22 -118.83 79.59 11 A PHE 2 -142.39 44.16 11 A CYS 3 -80.60 40.23 16 A LEU 17 -112.08 -169.78 19 A PHE 2 -83.94 44.36 20 A PHE 2 -90.82 49.52 N NMR solution structure of tamapin, mutant K20E 1 N N A ASN 4 A ASN 4 HELX_P A SER 14 A SER 14 1 AA1 11 disulf 2.025 A CYS 3 A SG CYS 3 1_555 A CYS 21 A SG CYS 21 1_555 disulf 2.032 A CYS 8 A SG CYS 8 1_555 A CYS 26 A SG CYS 26 1_555 disulf 2.039 A CYS 12 A SG CYS 12 1_555 A CYS 28 A SG CYS 28 1_555 TOXIN Tamapin mutant, K20E, CSalpha/beta, SK channels, TOXIN KAX54_MESTA UNP 1 1 P59869 AFCNLRRCELSCRSLGLLGKCIGEECKCVPY 1 31 6D8U 1 31 P59869 A 1 1 31 1 LYS engineered mutation GLU 20 6D8U A P59869 UNP 20 20 2 anti-parallel A LEU 18 A LEU 18 A ILE 22 A ILE 22 A GLU 25 A GLU 25 A VAL 29 A VAL 29