1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Kalman, K. Pennington, M.W. Lanigan, M.D. Nguyen, A. Rauer, H. Mahnir, V. Gutman, G.A. Paschetto, K. Kem, W.R. Grissmer, S. Christian, E.P. Cahalan, M.D. Norton, R.S. Chandy, K.G. 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 H7 N O4 133.103 y ASPARTIC ACID L-peptide linking C3 H7 N O2 S 121.158 y CYSTEINE L-peptide linking C3 H9 N2 O2 1 105.116 n 3-AMINO-ALANINE L-peptide linking C5 H10 N2 O3 146.144 y GLUTAMINE 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 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 C5 H11 N O2 S 149.211 y METHIONINE 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 C9 H11 N O3 181.189 y TYROSINE L-peptide linking US J.Biol.Chem. JBCHA3 0071 0021-9258 273 32697 32707 10.1074/jbc.273.49.32697 9830012 ShK-Dap22, a potent Kv1.3-specific immunosuppressive polypeptide. 1998 10.2210/pdb1bei/pdb pdb_00001bei 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 4027.813 POTASSIUM CHANNEL TOXIN SHK K22DNP, DIAMINOPROPANOATE (DNP) SUBSTITUTION AT POSITION 22 1 man polymer SHK-DNP22 no yes RSCIDTIPKSRCTAFQCKHSM(DNP)YRLSFCRKTCGTC RSCIDTIPKSRCTAFQCKHSMAYRLSFCRKTCGTC 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 Stichodactyla sample 6123 Stichodactyla helianthus database_2 pdbx_database_status pdbx_struct_assembly pdbx_struct_oper_list struct_conn struct_ref_seq_dif repository Initial release Version format compliance Version format compliance Database references Derived calculations Other Database references 1 0 1998-12-02 1 1 2008-03-21 1 2 2011-07-13 1 3 2022-02-16 1 4 2022-12-21 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_database_status.process_site _struct_conn.pdbx_leaving_atom_flag _struct_ref_seq_dif.details Y BNL 1998-05-14 REL REL THE STRUCTURE WAS DETERMINED USING 2D NMR SPECTROSCOPY ON SYNTHETIC SHK-DNP22 LOWEST STEREOCHEMICAL ENERGY 50 20 NOESY TOCSY DQF-COSY E-COSY 4.9 293 K STRUCTURES REFINED USING SIMULATED ANNEALING FOLLOWED BY CHARMM MINIMISATION distance geometry 1 10% D2O OR 100% D2O BRUNGER refinement X-PLOR 3.1 structure solution DYANA 600 Bruker DRX600 ARG 1 n 1 ARG 1 A SER 2 n 2 SER 2 A CYS 3 n 3 CYS 3 A ILE 4 n 4 ILE 4 A ASP 5 n 5 ASP 5 A THR 6 n 6 THR 6 A ILE 7 n 7 ILE 7 A PRO 8 n 8 PRO 8 A LYS 9 n 9 LYS 9 A SER 10 n 10 SER 10 A ARG 11 n 11 ARG 11 A CYS 12 n 12 CYS 12 A THR 13 n 13 THR 13 A ALA 14 n 14 ALA 14 A PHE 15 n 15 PHE 15 A GLN 16 n 16 GLN 16 A CYS 17 n 17 CYS 17 A LYS 18 n 18 LYS 18 A HIS 19 n 19 HIS 19 A SER 20 n 20 SER 20 A MET 21 n 21 MET 21 A SET 22 n 22 DNP 22 A TYR 23 n 23 TYR 23 A ARG 24 n 24 ARG 24 A LEU 25 n 25 LEU 25 A SER 26 n 26 SER 26 A PHE 27 n 27 PHE 27 A CYS 28 n 28 CYS 28 A ARG 29 n 29 ARG 29 A LYS 30 n 30 LYS 30 A THR 31 n 31 THR 31 A CYS 32 n 32 CYS 32 A GLY 33 n 33 GLY 33 A THR 34 n 34 THR 34 A CYS 35 n 35 CYS 35 A author_defined_assembly 1 monomeric A DNP 22 3-AMINO-ALANINE A DNP 22 ALA 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 4 A A ILE PRO 7 8 145.54 5 A A ILE PRO 7 8 147.43 7 A A ILE PRO 7 8 147.66 13 A A ILE PRO 7 8 148.33 19 A A ILE PRO 7 8 144.43 1 A ARG 1 0.183 SIDE CHAIN 1 A ARG 11 0.302 SIDE CHAIN 1 A ARG 24 0.297 SIDE CHAIN 1 A ARG 29 0.301 SIDE CHAIN 2 A ARG 1 0.317 SIDE CHAIN 2 A ARG 11 0.308 SIDE CHAIN 2 A ARG 24 0.285 SIDE CHAIN 2 A ARG 29 0.324 SIDE CHAIN 3 A ARG 1 0.244 SIDE CHAIN 3 A ARG 11 0.321 SIDE CHAIN 3 A ARG 24 0.302 SIDE CHAIN 3 A ARG 29 0.324 SIDE CHAIN 4 A ARG 1 0.308 SIDE CHAIN 4 A ARG 11 0.301 SIDE CHAIN 4 A ARG 24 0.332 SIDE CHAIN 4 A ARG 29 0.209 SIDE CHAIN 5 A ARG 1 0.298 SIDE CHAIN 5 A ARG 11 0.303 SIDE CHAIN 5 A ARG 24 0.187 SIDE CHAIN 5 A ARG 29 0.302 SIDE CHAIN 6 A ARG 1 0.313 SIDE CHAIN 6 A ARG 11 0.280 SIDE CHAIN 6 A ARG 24 0.265 SIDE CHAIN 6 A ARG 29 0.308 SIDE CHAIN 7 A ARG 1 0.304 SIDE CHAIN 7 A ARG 11 0.313 SIDE CHAIN 7 A ARG 24 0.304 SIDE CHAIN 7 A ARG 29 0.227 SIDE CHAIN 8 A ARG 1 0.312 SIDE CHAIN 8 A ARG 11 0.305 SIDE CHAIN 8 A ARG 24 0.326 SIDE CHAIN 8 A ARG 29 0.301 SIDE CHAIN 9 A ARG 1 0.311 SIDE CHAIN 9 A ARG 11 0.289 SIDE CHAIN 9 A ARG 24 0.300 SIDE CHAIN 9 A ARG 29 0.282 SIDE CHAIN 10 A ARG 1 0.311 SIDE CHAIN 10 A ARG 11 0.286 SIDE CHAIN 10 A ARG 24 0.312 SIDE CHAIN 10 A ARG 29 0.302 SIDE CHAIN 11 A ARG 1 0.292 SIDE CHAIN 11 A ARG 11 0.310 SIDE CHAIN 11 A ARG 24 0.303 SIDE CHAIN 11 A ARG 29 0.213 SIDE CHAIN 12 A ARG 1 0.297 SIDE CHAIN 12 A ARG 11 0.310 SIDE CHAIN 12 A ARG 24 0.231 SIDE CHAIN 12 A ARG 29 0.290 SIDE CHAIN 13 A ARG 1 0.315 SIDE CHAIN 13 A ARG 11 0.292 SIDE CHAIN 13 A ARG 24 0.293 SIDE CHAIN 13 A ARG 29 0.268 SIDE CHAIN 14 A ARG 1 0.309 SIDE CHAIN 14 A ARG 11 0.300 SIDE CHAIN 14 A ARG 24 0.314 SIDE CHAIN 14 A ARG 29 0.217 SIDE CHAIN 15 A ARG 1 0.308 SIDE CHAIN 15 A ARG 11 0.289 SIDE CHAIN 15 A ARG 24 0.301 SIDE CHAIN 15 A ARG 29 0.302 SIDE CHAIN 16 A ARG 1 0.319 SIDE CHAIN 16 A ARG 11 0.306 SIDE CHAIN 16 A ARG 24 0.206 SIDE CHAIN 16 A ARG 29 0.179 SIDE CHAIN 17 A ARG 1 0.296 SIDE CHAIN 17 A ARG 11 0.310 SIDE CHAIN 17 A ARG 24 0.302 SIDE CHAIN 17 A ARG 29 0.271 SIDE CHAIN 18 A ARG 1 0.295 SIDE CHAIN 18 A ARG 11 0.299 SIDE CHAIN 18 A ARG 24 0.282 SIDE CHAIN 18 A ARG 29 0.279 SIDE CHAIN 19 A ARG 1 0.294 SIDE CHAIN 19 A ARG 11 0.317 SIDE CHAIN 19 A ARG 24 0.297 SIDE CHAIN 19 A ARG 29 0.256 SIDE CHAIN 20 A ARG 1 0.317 SIDE CHAIN 20 A ARG 11 0.301 SIDE CHAIN 20 A ARG 24 0.296 SIDE CHAIN 20 A ARG 29 0.303 SIDE CHAIN 1 -3.61 0.50 120.30 116.69 A A A NE CZ NH2 ARG ARG ARG 1 1 1 N 1 -3.10 0.50 120.30 117.20 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 1 -3.95 0.50 120.30 116.35 A A A NE CZ NH1 ARG ARG ARG 29 29 29 N 1 7.18 1.10 114.20 121.38 A A A CA CB SG CYS CYS CYS 35 35 35 N 2 6.64 1.10 114.20 120.84 A A A CA CB SG CYS CYS CYS 17 17 17 N 2 -3.77 0.50 120.30 116.53 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 2 -4.13 0.50 120.30 116.17 A A A NE CZ NH1 ARG ARG ARG 29 29 29 N 3 -3.10 0.50 120.30 117.20 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 3 -4.66 0.50 120.30 115.64 A A A NE CZ NH2 ARG ARG ARG 29 29 29 N 4 -3.02 0.50 120.30 117.28 A A A NE CZ NH2 ARG ARG ARG 11 11 11 N 4 -8.54 1.40 123.60 115.06 A A A CD NE CZ ARG ARG ARG 24 24 24 N 4 6.90 1.10 119.40 126.30 A A A NH1 CZ NH2 ARG ARG ARG 24 24 24 N 4 -4.53 0.50 120.30 115.77 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 5 -4.27 0.50 120.30 116.03 A A A NE CZ NH1 ARG ARG ARG 1 1 1 N 5 6.63 1.10 114.20 120.83 A A A CA CB SG CYS CYS CYS 3 3 3 N 5 -3.04 0.50 120.30 117.26 A A A NE CZ NH2 ARG ARG ARG 11 11 11 N 5 -4.23 0.50 120.30 116.07 A A A NE CZ NH1 ARG ARG ARG 29 29 29 N 6 -3.17 0.50 120.30 117.13 A A A NE CZ NH1 ARG ARG ARG 1 1 1 N 6 -4.40 0.50 120.30 115.90 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 6 4.22 0.70 120.80 125.02 A A A CB CG CD1 PHE PHE PHE 27 27 27 N 6 -5.92 0.50 120.30 114.38 A A A NE CZ NH2 ARG ARG ARG 29 29 29 N 7 6.63 1.10 119.40 126.03 A A A NH1 CZ NH2 ARG ARG ARG 24 24 24 N 7 -3.88 0.50 120.30 116.42 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 7 -3.42 0.50 120.30 116.88 A A A NE CZ NH2 ARG ARG ARG 29 29 29 N 7 6.99 1.10 114.20 121.19 A A A CA CB SG CYS CYS CYS 35 35 35 N 8 -3.17 0.50 120.30 117.13 A A A NE CZ NH2 ARG ARG ARG 11 11 11 N 8 7.29 1.10 119.40 126.69 A A A NH1 CZ NH2 ARG ARG ARG 24 24 24 N 8 -5.27 0.50 120.30 115.03 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 8 -4.22 0.50 120.30 116.08 A A A NE CZ NH1 ARG ARG ARG 29 29 29 N 9 -3.09 0.50 120.30 117.21 A A A NE CZ NH2 ARG ARG ARG 11 11 11 N 9 -4.98 0.50 120.30 115.32 A A A NE CZ NH2 ARG ARG ARG 24 24 24 N 9 7.12 1.10 119.40 126.52 A A A NH1 CZ NH2 ARG ARG ARG 29 29 29 N 9 -4.71 0.50 120.30 115.59 A A A NE CZ NH2 ARG ARG ARG 29 29 29 N 10 -4.29 0.50 120.30 116.01 A A A NE CZ NH1 ARG ARG ARG 11 11 11 N 10 -5.19 0.50 120.30 115.11 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 10 -4.24 0.50 120.30 116.06 A A A NE CZ NH1 ARG ARG ARG 29 29 29 N 11 -3.49 0.50 120.30 116.81 A A A NE CZ NH1 ARG ARG ARG 1 1 1 N 11 7.22 1.10 114.20 121.42 A A A CA CB SG CYS CYS CYS 17 17 17 N 11 -4.36 0.50 120.30 115.94 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 11 -3.78 0.50 120.30 116.52 A A A NE CZ NH1 ARG ARG ARG 29 29 29 N 11 7.06 1.10 114.20 121.26 A A A CA CB SG CYS CYS CYS 35 35 35 N 12 9.30 1.10 114.20 123.50 A A A CA CB SG CYS CYS CYS 3 3 3 N 12 -3.62 0.50 120.30 116.68 A A A NE CZ NH1 ARG ARG ARG 11 11 11 N 12 6.76 1.10 114.20 120.96 A A A CA CB SG CYS CYS CYS 17 17 17 N 12 -4.58 0.50 120.30 115.72 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 12 -4.35 0.50 120.30 115.95 A A A NE CZ NH1 ARG ARG ARG 29 29 29 N 13 6.86 1.10 119.40 126.26 A A A NH1 CZ NH2 ARG ARG ARG 24 24 24 N 13 -3.99 0.50 120.30 116.31 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 14 -3.71 0.50 120.30 116.59 A A A NE CZ NH1 ARG ARG ARG 29 29 29 N 15 -3.68 0.50 120.30 116.62 A A A NE CZ NH2 ARG ARG ARG 11 11 11 N 15 -4.36 0.50 120.30 115.94 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 15 -3.80 0.50 120.30 116.50 A A A NE CZ NH2 ARG ARG ARG 29 29 29 N 16 -3.08 0.50 120.30 117.22 A A A NE CZ NH2 ARG ARG ARG 1 1 1 N 16 -3.64 0.50 120.30 116.66 A A A NE CZ NH1 ARG ARG ARG 11 11 11 N 16 7.23 1.10 114.20 121.43 A A A CA CB SG CYS CYS CYS 17 17 17 N 16 -3.42 0.50 120.30 116.88 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 16 -4.29 0.50 120.30 116.01 A A A NE CZ NH1 ARG ARG ARG 29 29 29 N 17 -4.91 0.50 120.30 115.39 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 17 -3.19 0.50 120.30 117.11 A A A NE CZ NH2 ARG ARG ARG 29 29 29 N 18 -3.08 0.50 120.30 117.22 A A A NE CZ NH2 ARG ARG ARG 11 11 11 N 18 -4.22 0.50 120.30 116.08 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 18 10.73 1.10 114.20 124.93 A A A CA CB SG CYS CYS CYS 35 35 35 N 19 -3.77 0.50 120.30 116.53 A A A NE CZ NH1 ARG ARG ARG 1 1 1 N 19 -3.48 0.50 120.30 116.82 A A A NE CZ NH1 ARG ARG ARG 11 11 11 N 19 -4.33 0.50 120.30 115.97 A A A NE CZ NH2 ARG ARG ARG 24 24 24 N 20 7.14 1.10 119.40 126.54 A A A NH1 CZ NH2 ARG ARG ARG 24 24 24 N 20 -5.44 0.50 120.30 114.86 A A A NE CZ NH1 ARG ARG ARG 24 24 24 N 20 -3.16 0.50 120.30 117.14 A A A NE CZ NH2 ARG ARG ARG 29 29 29 N 1 A A NE2 CD2 HIS HIS 19 19 -0.066 0.011 1.373 1.307 N 2 A A NE2 CD2 HIS HIS 19 19 -0.067 0.011 1.373 1.306 N 3 A A NE2 CD2 HIS HIS 19 19 -0.066 0.011 1.373 1.307 N 4 A A NE2 CD2 HIS HIS 19 19 -0.066 0.011 1.373 1.307 N 5 A A NE2 CD2 HIS HIS 19 19 -0.067 0.011 1.373 1.306 N 6 A A NE2 CD2 HIS HIS 19 19 -0.067 0.011 1.373 1.306 N 7 A A NE2 CD2 HIS HIS 19 19 -0.068 0.011 1.373 1.305 N 8 A A NE2 CD2 HIS HIS 19 19 -0.067 0.011 1.373 1.306 N 9 A A NE2 CD2 HIS HIS 19 19 -0.066 0.011 1.373 1.307 N 10 A A NE2 CD2 HIS HIS 19 19 -0.068 0.011 1.373 1.305 N 11 A A NE2 CD2 HIS HIS 19 19 -0.067 0.011 1.373 1.306 N 13 A A NE2 CD2 HIS HIS 19 19 -0.067 0.011 1.373 1.306 N 15 A A NE2 CD2 HIS HIS 19 19 -0.067 0.011 1.373 1.306 N 18 A A NE2 CD2 HIS HIS 19 19 -0.066 0.011 1.373 1.307 N 20 A A NE2 CD2 HIS HIS 19 19 -0.069 0.011 1.373 1.304 N 1 A THR 6 -146.39 28.39 1 A CYS 12 -96.44 46.11 1 A HIS 19 -137.07 -44.90 1 A SER 20 -112.85 75.11 1 A ARG 24 -57.32 -0.63 1 A LEU 25 -77.46 -86.20 1 A CYS 28 -109.83 43.99 1 A ARG 29 -29.48 -60.97 1 A THR 31 -30.48 -38.43 2 A THR 6 -144.19 24.48 2 A CYS 12 -93.65 54.11 2 A HIS 19 -144.95 -48.10 2 A LEU 25 -73.02 -83.66 2 A CYS 28 -104.66 46.32 2 A ARG 29 -29.82 -62.90 2 A THR 31 -34.47 -34.63 3 A CYS 3 179.72 146.68 3 A THR 6 -143.93 19.35 3 A CYS 12 -82.87 46.97 3 A HIS 19 -140.39 -26.73 3 A TYR 23 -91.02 -62.78 3 A ARG 24 -53.51 -0.52 3 A LEU 25 -94.85 -76.23 3 A CYS 28 -109.26 42.21 4 A THR 6 -153.22 30.12 4 A CYS 12 -95.14 38.08 4 A DNP 22 -58.46 -3.81 4 A TYR 23 -120.68 -67.08 5 A THR 6 -149.87 27.09 5 A CYS 12 -99.24 42.63 5 A ARG 24 -72.14 27.73 5 A LEU 25 -113.61 -84.06 5 A CYS 28 -106.93 47.38 5 A ARG 29 -29.80 -62.20 6 A THR 6 -154.16 31.09 6 A CYS 12 -93.87 48.00 6 A SER 20 -104.25 71.22 6 A MET 21 -65.77 70.54 6 A DNP 22 -162.00 -57.33 6 A ARG 24 -75.01 28.67 6 A LEU 25 -121.97 -85.13 6 A ARG 29 -29.52 -55.76 7 A THR 6 -144.42 35.67 7 A PRO 8 -55.65 108.04 7 A CYS 12 -97.30 39.54 7 A ALA 14 -36.33 -37.59 7 A MET 21 -69.48 81.75 7 A DNP 22 -158.33 -61.10 7 A ARG 24 -66.53 17.16 7 A SER 26 -148.49 19.61 7 A CYS 28 -107.72 40.82 7 A ARG 29 -29.14 -59.65 7 A THR 34 -110.55 -72.00 8 A CYS 3 -175.83 147.88 8 A THR 6 -154.25 24.88 8 A PRO 8 -46.04 106.75 8 A CYS 12 -85.88 47.07 8 A SER 20 -152.51 69.63 8 A TYR 23 -105.27 -65.45 9 A THR 6 -145.93 31.75 9 A CYS 12 -93.83 50.75 9 A DNP 22 -58.16 -3.84 9 A TYR 23 -126.10 -60.64 9 A LEU 25 -60.34 -74.75 9 A SER 26 -140.46 22.81 10 A THR 6 -156.83 31.33 10 A CYS 12 -87.35 39.16 10 A DNP 22 -58.43 -1.65 10 A TYR 23 -128.49 -62.62 10 A THR 31 -37.74 -29.03 11 A THR 6 -147.97 32.43 11 A GLN 16 -132.32 -45.71 11 A SER 20 -158.86 73.49 11 A MET 21 -58.96 -9.47 11 A DNP 22 -58.21 -8.74 11 A TYR 23 -122.77 -58.25 11 A ARG 24 -62.02 10.18 11 A LEU 25 -100.95 -76.03 11 A ARG 29 -28.74 -56.30 11 A THR 31 -34.61 -37.50 12 A THR 6 -148.52 29.78 12 A HIS 19 -140.11 -46.76 12 A ARG 24 -73.03 26.19 12 A LEU 25 -112.11 -73.40 12 A SER 26 -143.04 17.49 12 A CYS 28 -110.08 51.49 12 A ARG 29 -29.77 -63.58 12 A THR 31 -34.74 -38.66 13 A CYS 12 -99.70 36.90 13 A MET 21 -67.97 76.95 13 A DNP 22 -158.49 -56.23 13 A ARG 24 -64.66 10.88 13 A LEU 25 -105.66 -71.86 13 A CYS 28 -108.30 49.40 13 A ARG 29 -29.87 -62.85 13 A THR 31 -27.69 -40.68 14 A THR 6 -151.23 29.83 14 A CYS 12 -99.76 42.54 14 A LEU 25 -58.30 -73.65 14 A ARG 29 -28.87 -62.61 14 A THR 31 -32.52 -32.43 15 A THR 6 -152.81 31.41 15 A CYS 12 -89.31 41.03 15 A CYS 17 -39.30 -24.87 15 A SER 20 -153.03 73.58 15 A DNP 22 -58.88 -4.20 15 A TYR 23 -125.54 -59.17 15 A LEU 25 -59.02 -70.96 15 A ARG 29 -29.69 -63.71 15 A THR 31 -32.43 -36.55 16 A THR 6 -147.50 26.81 16 A CYS 12 -101.85 40.86 16 A HIS 19 -142.58 -40.64 16 A MET 21 -68.54 74.18 16 A DNP 22 -165.00 -56.52 16 A ARG 24 -68.96 13.48 16 A LEU 25 -107.17 -77.88 16 A ARG 29 -29.63 -51.92 16 A THR 31 -33.69 -35.92 17 A SER 2 179.54 149.89 17 A THR 6 -153.99 30.29 17 A CYS 12 -82.24 49.81 17 A GLN 16 -120.26 -50.40 17 A DNP 22 -58.94 0.91 17 A TYR 23 -128.40 -65.40 17 A LEU 25 -59.81 -71.62 17 A SER 26 -147.38 23.51 17 A CYS 28 -109.90 50.98 17 A THR 31 -39.14 -37.53 18 A THR 6 -146.89 26.54 18 A CYS 12 -100.60 44.50 18 A HIS 19 -136.34 -38.58 18 A ARG 24 -58.77 -3.17 18 A LEU 25 -82.51 -75.56 18 A CYS 28 -106.92 52.17 18 A ARG 29 -29.38 -66.43 18 A THR 34 -92.05 -65.41 19 A THR 6 -151.15 30.04 19 A DNP 22 -59.56 6.63 19 A TYR 23 -130.99 -71.74 19 A THR 31 -38.59 -36.52 20 A THR 6 -153.92 29.23 20 A CYS 12 -95.30 49.41 20 A HIS 19 -131.40 -42.10 20 A ARG 24 -65.35 19.61 20 A LEU 25 -113.32 -84.80 model building X-PLOR 3.1 refinement X-PLOR 3.1 phasing X-PLOR 3.1 Shk-dnp22: A Potent Kv1.3-specific immunosuppressive polypeptide, NMR, 20 structures 1 Y N A ALA 14 A ALA 14 HELX_P A HIS 19 A HIS 19 1 1 6 A MET 21 A MET 21 HELX_P A ARG 24 A ARG 24 5 2 4 A ARG 29 A ARG 29 HELX_P A CYS 32 A CYS 32 1 3 4 disulf 2.024 A CYS 3 A SG CYS 3 1_555 A CYS 35 A SG CYS 35 1_555 disulf 2.020 A CYS 12 A SG CYS 12 1_555 A CYS 28 A SG CYS 28 1_555 disulf 2.027 A CYS 17 A SG CYS 17 1_555 A CYS 32 A SG CYS 32 1_555 covale 1.307 both A MET 21 A C MET 21 1_555 A DNP 22 A N DNP 22 1_555 covale 1.306 both A DNP 22 A C DNP 22 1_555 A TYR 23 A N TYR 23 1_555 POTASSIUM CHANNEL INHIBITOR POTASSIUM CHANNEL INHIBITOR, SEA ANEMONE, IMMUNOSUPPRESSANT NEUROTOXIN TXSHK_STOHE UNP 1 1 P29187 RSCIDTIPKSRCTAFQCKHSMKYRLSFCRKTCGTC 1 35 1BEI 1 35 P29187 A 1 1 35 1 LYS engineered mutation DNP 22 1BEI A P29187 UNP 22 22 1 P 1