1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Wissmann, R. Bildl, W. Oliver, D. Beyermann, M. Kalbitzer, H.R. Bentrop, D. Fakler, B. 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 H13 N O2 131.173 y LEUCINE L-peptide linking C5 H11 N O2 S 149.211 y METHIONINE 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 C5 H11 N O2 117.146 y VALINE L-peptide linking US J.Biol.Chem. JBCHA3 0071 0021-9258 278 16142 16150 10.1074/jbc.M210191200 12590144 Solution Structure and Function of the "Tandem Inactivation Domain" of the Neuronal A-type Potassium Channel Kv1.4 2003 10.2210/pdb1kn7/pdb pdb_00001kn7 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 7858.493 VOLTAGE-GATED POTASSIUM CHANNEL PROTEIN KV1.4 N-terminal tandem inactivation domain (residues 1-75) 1 man polymer RCK4 no no GSTMEVAMVSAESSGCNSHMPYGYAAQARARERERLAHSRAAAAAAVAAATAAVEGTGGSGGGPHHHHQTRGAYSSHD GSTMEVAMVSAESSGCNSHMPYGYAAQARARERERLAHSRAAAAAAVAAATAAVEGTGGSGGGPHHHHQTRGAYSSHD 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 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 Norway rat Rattus Escherichia Escherichia coli sample KCNA4 10116 Rattus norvegicus 469008 Escherichia coli BL21(DE3) BL21(DE3) PLASMID pET41a database_2 pdbx_nmr_software pdbx_nmr_spectrometer pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2003-05-06 1 1 2008-04-27 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name _pdbx_nmr_spectrometer.model PDB entry 1zto contains the solution structure of only the N-terminal part (residues 1-37) of the same protein. SEQUENCE The protein construct used in this study contains three additional residues at the N-terminus from a thrombin cleavage site (Gly-Ser-Thr). RCSB Y RCSB 2001-12-18 REL REL structures with the least restraint violations,target function 300 25 3D_15N-separated_NOESY HNHA 2D NOESY 50 mM 4.4 ambient 283 K SEE THE PRIMARY CITATION FOR STRUCTURAL STATISTICS simulated annealing, torsion angle dynamics 10 closest to the average 0.8mM RCK4(1-75) U-15N; 50 mM sodium phosphate, 10 mM DTT 90% H2O/10% D2O 1mM RCK4(1-75); 50 mM sodium phosphate, 10 mM DTT 90% H2O/10% D2O Bruker collection XwinNMR 2.6 Bruker data analysis AURELIA 2.7.5 Bartels, Xia data analysis XEASY 1.3.13 MUMENTHALER, GUENTERT structure solution DYANA 1.5 MUMENTHALER, GUENTERT refinement DYANA 1.5 600 Bruker AVANCE n 1 -2 A n 2 -1 A n 3 0 A MET 1 n 4 MET 1 A GLU 2 n 5 GLU 2 A VAL 3 n 6 VAL 3 A ALA 4 n 7 ALA 4 A MET 5 n 8 MET 5 A VAL 6 n 9 VAL 6 A SER 7 n 10 SER 7 A ALA 8 n 11 ALA 8 A GLU 9 n 12 GLU 9 A SER 10 n 13 SER 10 A SER 11 n 14 SER 11 A GLY 12 n 15 GLY 12 A CYS 13 n 16 CYS 13 A ASN 14 n 17 ASN 14 A SER 15 n 18 SER 15 A HIS 16 n 19 HIS 16 A MET 17 n 20 MET 17 A PRO 18 n 21 PRO 18 A TYR 19 n 22 TYR 19 A GLY 20 n 23 GLY 20 A TYR 21 n 24 TYR 21 A ALA 22 n 25 ALA 22 A ALA 23 n 26 ALA 23 A GLN 24 n 27 GLN 24 A ALA 25 n 28 ALA 25 A ARG 26 n 29 ARG 26 A ALA 27 n 30 ALA 27 A ARG 28 n 31 ARG 28 A GLU 29 n 32 GLU 29 A ARG 30 n 33 ARG 30 A GLU 31 n 34 GLU 31 A ARG 32 n 35 ARG 32 A LEU 33 n 36 LEU 33 A ALA 34 n 37 ALA 34 A HIS 35 n 38 HIS 35 A SER 36 n 39 SER 36 A ARG 37 n 40 ARG 37 A ALA 38 n 41 ALA 38 A ALA 39 n 42 ALA 39 A ALA 40 n 43 ALA 40 A ALA 41 n 44 ALA 41 A ALA 42 n 45 ALA 42 A ALA 43 n 46 ALA 43 A VAL 44 n 47 VAL 44 A ALA 45 n 48 ALA 45 A ALA 46 n 49 ALA 46 A ALA 47 n 50 ALA 47 A THR 48 n 51 THR 48 A ALA 49 n 52 ALA 49 A ALA 50 n 53 ALA 50 A VAL 51 n 54 VAL 51 A GLU 52 n 55 GLU 52 A GLY 53 n 56 GLY 53 A THR 54 n 57 THR 54 A GLY 55 n 58 GLY 55 A GLY 56 n 59 GLY 56 A SER 57 n 60 SER 57 A GLY 58 n 61 GLY 58 A GLY 59 n 62 GLY 59 A GLY 60 n 63 GLY 60 A PRO 61 n 64 PRO 61 A HIS 62 n 65 HIS 62 A HIS 63 n 66 HIS 63 A HIS 64 n 67 HIS 64 A HIS 65 n 68 HIS 65 A GLN 66 n 69 GLN 66 A THR 67 n 70 THR 67 A ARG 68 n 71 ARG 68 A GLY 69 n 72 GLY 69 A ALA 70 n 73 ALA 70 A TYR 71 n 74 TYR 71 A SER 72 n 75 SER 72 A SER 73 n 76 SER 73 A HIS 74 n 77 HIS 74 A ASP 75 n 78 ASP 75 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 GLY -2 A GLY 1 1 Y 1 A SER -1 A SER 2 1 Y 1 A THR 0 A THR 3 1 Y 2 A GLY -2 A GLY 1 1 Y 2 A SER -1 A SER 2 1 Y 2 A THR 0 A THR 3 1 Y 3 A GLY -2 A GLY 1 1 Y 3 A SER -1 A SER 2 1 Y 3 A THR 0 A THR 3 1 Y 4 A GLY -2 A GLY 1 1 Y 4 A SER -1 A SER 2 1 Y 4 A THR 0 A THR 3 1 Y 5 A GLY -2 A GLY 1 1 Y 5 A SER -1 A SER 2 1 Y 5 A THR 0 A THR 3 1 Y 6 A GLY -2 A GLY 1 1 Y 6 A SER -1 A SER 2 1 Y 6 A THR 0 A THR 3 1 Y 7 A GLY -2 A GLY 1 1 Y 7 A SER -1 A SER 2 1 Y 7 A THR 0 A THR 3 1 Y 8 A GLY -2 A GLY 1 1 Y 8 A SER -1 A SER 2 1 Y 8 A THR 0 A THR 3 1 Y 9 A GLY -2 A GLY 1 1 Y 9 A SER -1 A SER 2 1 Y 9 A THR 0 A THR 3 1 Y 10 A GLY -2 A GLY 1 1 Y 10 A SER -1 A SER 2 1 Y 10 A THR 0 A THR 3 1 Y 11 A GLY -2 A GLY 1 1 Y 11 A SER -1 A SER 2 1 Y 11 A THR 0 A THR 3 1 Y 12 A GLY -2 A GLY 1 1 Y 12 A SER -1 A SER 2 1 Y 12 A THR 0 A THR 3 1 Y 13 A GLY -2 A GLY 1 1 Y 13 A SER -1 A SER 2 1 Y 13 A THR 0 A THR 3 1 Y 14 A GLY -2 A GLY 1 1 Y 14 A SER -1 A SER 2 1 Y 14 A THR 0 A THR 3 1 Y 15 A GLY -2 A GLY 1 1 Y 15 A SER -1 A SER 2 1 Y 15 A THR 0 A THR 3 1 Y 16 A GLY -2 A GLY 1 1 Y 16 A SER -1 A SER 2 1 Y 16 A THR 0 A THR 3 1 Y 17 A GLY -2 A GLY 1 1 Y 17 A SER -1 A SER 2 1 Y 17 A THR 0 A THR 3 1 Y 18 A GLY -2 A GLY 1 1 Y 18 A SER -1 A SER 2 1 Y 18 A THR 0 A THR 3 1 Y 19 A GLY -2 A GLY 1 1 Y 19 A SER -1 A SER 2 1 Y 19 A THR 0 A THR 3 1 Y 20 A GLY -2 A GLY 1 1 Y 20 A SER -1 A SER 2 1 Y 20 A THR 0 A THR 3 1 Y 21 A GLY -2 A GLY 1 1 Y 21 A SER -1 A SER 2 1 Y 21 A THR 0 A THR 3 1 Y 22 A GLY -2 A GLY 1 1 Y 22 A SER -1 A SER 2 1 Y 22 A THR 0 A THR 3 1 Y 23 A GLY -2 A GLY 1 1 Y 23 A SER -1 A SER 2 1 Y 23 A THR 0 A THR 3 1 Y 24 A GLY -2 A GLY 1 1 Y 24 A SER -1 A SER 2 1 Y 24 A THR 0 A THR 3 1 Y 25 A GLY -2 A GLY 1 1 Y 25 A SER -1 A SER 2 1 Y 25 A THR 0 A THR 3 1 Y 17 A A O H GLY ALA 20 23 1.59 1 A SER 11 67.24 172.85 1 A CYS 13 -176.92 70.83 1 A SER 15 174.51 99.84 1 A MET 17 -36.87 97.80 1 A ALA 47 -61.49 -176.54 1 A THR 48 61.94 95.23 1 A ALA 49 -49.45 173.36 1 A HIS 63 -39.86 134.76 1 A HIS 65 62.23 99.33 1 A THR 67 -57.53 170.85 1 A ALA 70 64.09 167.39 1 A TYR 71 41.15 92.64 1 A HIS 74 -175.87 66.75 2 A ALA 8 -61.69 95.65 2 A GLU 9 57.13 159.68 2 A CYS 13 -156.42 67.98 2 A SER 15 47.47 87.70 2 A HIS 16 -167.33 84.48 2 A ALA 22 -90.83 33.44 2 A ALA 41 63.50 61.65 2 A ALA 47 -59.03 -178.19 2 A THR 48 62.23 84.48 2 A ALA 49 -49.35 176.52 2 A THR 54 41.97 91.04 2 A HIS 64 60.57 172.89 2 A HIS 65 63.13 146.52 3 A MET 5 59.63 100.75 3 A GLU 9 -39.15 151.29 3 A CYS 13 63.97 69.46 3 A SER 15 61.42 78.23 3 A HIS 16 -173.47 61.43 3 A TYR 19 -40.96 102.83 3 A TYR 21 -38.22 -33.81 3 A ALA 41 83.10 39.36 3 A ALA 46 -89.99 -76.08 3 A THR 48 -36.54 -85.43 3 A THR 54 39.57 89.80 3 A HIS 63 -39.82 149.29 3 A HIS 64 -110.90 64.19 3 A HIS 65 65.32 133.80 3 A THR 67 -173.57 -161.16 3 A ALA 70 -173.74 107.16 3 A SER 72 63.44 142.79 3 A HIS 74 66.20 107.26 4 A GLU 2 -102.21 78.85 4 A SER 7 179.49 166.41 4 A GLU 9 58.60 153.08 4 A SER 10 56.35 169.40 4 A CYS 13 178.70 57.25 4 A SER 15 177.64 86.38 4 A HIS 16 -171.29 55.41 4 A TYR 21 -84.39 45.73 4 A ALA 22 -89.06 -71.28 4 A ALA 42 -103.19 -77.42 4 A ALA 47 -61.47 -170.98 4 A THR 48 61.31 82.95 4 A VAL 51 -151.80 64.08 4 A HIS 63 -39.83 151.73 4 A HIS 65 161.36 165.80 4 A SER 73 63.92 142.91 4 A HIS 74 64.31 130.20 5 A GLU 2 -68.22 65.95 5 A VAL 3 50.47 179.55 5 A SER 11 67.05 153.52 5 A HIS 16 51.61 81.22 5 A ALA 47 -71.59 -166.28 5 A ALA 49 -44.47 157.73 5 A HIS 64 -93.78 -66.36 5 A HIS 65 71.19 144.20 5 A GLN 66 -108.16 -161.84 5 A ARG 68 -48.27 157.14 5 A ALA 70 -165.66 100.00 5 A SER 73 -171.33 142.10 5 A HIS 74 67.04 109.95 6 A GLU 2 -49.25 161.44 6 A VAL 3 -42.94 161.24 6 A SER 7 -66.61 94.46 6 A ALA 8 -69.43 82.36 6 A GLU 9 -51.42 170.64 6 A SER 11 55.25 171.26 6 A SER 15 55.90 90.85 6 A HIS 16 -91.28 43.36 6 A MET 17 -36.93 97.85 6 A TYR 19 -61.30 80.24 6 A ALA 41 63.30 61.24 6 A THR 48 -36.50 108.13 6 A HIS 63 49.36 81.73 6 A HIS 64 -93.70 -62.63 6 A HIS 65 64.10 112.95 6 A ARG 68 -41.74 158.93 6 A ALA 70 -172.69 104.45 6 A HIS 74 -160.08 72.41 7 A SER 7 63.50 157.88 7 A CYS 13 64.59 87.29 7 A SER 15 49.34 88.22 7 A HIS 16 -101.25 49.01 7 A ALA 41 77.26 -70.71 7 A ALA 47 -55.54 -171.29 7 A THR 48 38.99 61.42 7 A ALA 49 -43.53 162.35 7 A VAL 51 35.91 44.29 7 A HIS 63 -39.83 147.98 7 A HIS 65 45.35 88.91 7 A ARG 68 -177.64 103.27 7 A SER 73 62.43 146.76 8 A SER 7 64.54 91.37 8 A CYS 13 -157.93 83.13 8 A HIS 16 63.66 90.62 8 A MET 17 -40.96 157.52 8 A ALA 39 -61.99 98.09 8 A ALA 41 -38.90 97.97 8 A ALA 42 -98.53 -75.22 8 A ALA 46 -90.00 -71.42 8 A THR 48 -36.61 154.07 8 A ALA 50 -84.86 50.00 8 A HIS 63 50.04 93.64 8 A HIS 65 161.35 139.69 8 A ARG 68 179.66 134.80 8 A SER 72 70.06 -60.87 9 A SER 11 58.21 101.38 9 A CYS 13 -153.09 63.86 9 A SER 15 65.07 93.48 9 A HIS 16 58.98 84.96 9 A MET 17 -39.91 154.76 9 A TYR 21 -88.51 36.06 9 A ALA 42 -109.83 -62.34 9 A ALA 47 -59.25 179.86 9 A THR 48 57.34 91.46 9 A THR 54 43.30 76.22 9 A HIS 63 -39.88 120.68 9 A HIS 64 -131.77 -62.15 9 A HIS 65 -38.36 149.21 9 A ARG 68 62.65 100.64 9 A SER 73 -161.24 83.39 10 A SER 15 62.63 82.01 10 A HIS 16 -91.12 40.15 10 A MET 17 -40.58 160.82 10 A PRO 18 -74.97 -164.00 10 A ALA 47 -64.55 -171.95 10 A ALA 49 -48.23 153.33 10 A ALA 50 -84.79 49.99 10 A THR 54 61.21 144.67 10 A SER 57 61.74 142.86 10 A HIS 62 -161.56 118.72 10 A HIS 63 -169.22 -62.77 10 A HIS 65 161.39 85.14 10 A ARG 68 178.52 114.33 10 A ALA 70 -171.56 140.91 10 A SER 73 62.00 109.30 11 A ALA 4 -44.60 154.19 11 A SER 7 66.32 109.04 11 A ALA 8 -52.32 102.29 11 A GLU 9 -39.99 159.95 11 A SER 10 66.93 171.17 11 A SER 15 70.94 99.63 11 A HIS 16 -116.21 57.98 11 A MET 17 -46.82 168.88 11 A TYR 19 -52.92 176.74 11 A ALA 23 -75.14 -98.30 11 A ALA 39 -47.43 172.27 11 A ALA 47 -66.92 -158.64 11 A THR 48 -36.61 129.16 11 A HIS 62 -171.88 -55.12 11 A HIS 63 -39.86 119.77 11 A HIS 64 -176.09 97.57 11 A HIS 65 161.34 112.83 11 A ARG 68 -178.35 127.09 11 A HIS 74 -161.60 119.37 12 A SER 7 61.36 124.06 12 A SER 11 58.34 169.50 12 A HIS 16 61.89 85.92 12 A TYR 21 -84.39 45.80 12 A ALA 39 -52.61 -179.56 12 A ALA 41 66.71 64.84 12 A ALA 47 -63.64 -164.47 12 A THR 48 165.81 170.31 12 A VAL 51 -155.84 61.33 12 A HIS 62 -152.25 -61.59 12 A HIS 63 -169.27 85.06 12 A HIS 65 161.37 124.49 12 A GLN 66 -53.73 170.65 12 A THR 67 -57.17 -161.24 12 A ARG 68 60.13 107.08 12 A SER 73 -172.21 133.91 13 A VAL 6 -74.68 -168.39 13 A SER 7 44.07 83.17 13 A CYS 13 64.35 85.61 13 A HIS 16 -175.83 60.68 13 A TYR 19 -39.94 118.80 13 A ALA 47 -61.43 -167.77 13 A THR 48 67.69 -73.14 13 A ALA 49 -43.88 162.22 13 A HIS 63 -39.89 114.28 13 A HIS 64 -97.28 -62.02 13 A HIS 65 161.39 146.40 13 A THR 67 -59.68 170.67 13 A SER 73 -49.88 105.75 13 A HIS 74 -165.72 81.49 14 A VAL 6 -103.88 -168.49 14 A SER 10 61.39 166.67 14 A SER 11 62.22 95.28 14 A CYS 13 -177.57 71.44 14 A HIS 16 -162.44 59.17 14 A MET 17 -41.70 153.37 14 A PRO 18 -75.00 -162.88 14 A ALA 41 -38.95 98.04 14 A ALA 42 -103.39 -74.64 14 A ALA 47 -57.42 -176.58 14 A THR 48 39.69 59.63 14 A HIS 62 -126.89 -60.70 14 A HIS 64 42.23 76.29 14 A HIS 65 161.40 163.31 14 A GLN 66 58.05 159.86 14 A ALA 70 62.02 69.86 14 A SER 72 -126.95 -60.62 14 A SER 73 -173.10 149.00 15 A GLU 2 -42.66 152.02 15 A SER 15 -178.20 90.84 15 A HIS 16 -108.88 57.34 15 A TYR 21 -84.35 45.73 15 A ALA 39 -46.81 107.85 15 A ALA 47 -61.16 -167.42 15 A THR 48 38.74 47.77 15 A VAL 51 -144.45 58.13 15 A THR 54 -106.61 56.94 15 A HIS 65 63.58 90.79 15 A ARG 68 -47.57 164.21 15 A ALA 70 -171.47 66.38 15 A TYR 71 -41.97 153.75 15 A SER 72 61.64 157.90 15 A SER 73 -165.26 95.61 16 A ALA 4 -44.65 155.12 16 A VAL 6 -79.48 -168.46 16 A SER 7 66.90 105.99 16 A GLU 9 57.06 159.76 16 A SER 11 179.43 114.95 16 A CYS 13 72.31 65.43 16 A SER 15 -119.29 70.70 16 A TYR 19 -38.61 107.81 16 A TYR 21 -84.35 45.80 16 A ALA 41 -38.99 98.00 16 A ALA 42 -101.93 -75.49 16 A ALA 47 -58.68 -170.66 16 A THR 48 62.75 62.75 16 A SER 57 -179.93 143.65 16 A HIS 63 -39.82 155.01 16 A HIS 64 59.42 102.96 16 A HIS 65 161.41 93.96 16 A THR 67 -59.60 174.34 16 A ARG 68 59.23 102.67 16 A ALA 70 -172.07 100.15 16 A TYR 71 -98.52 42.38 16 A SER 73 62.57 130.45 17 A GLU 2 -48.83 170.27 17 A ALA 4 -67.26 89.80 17 A MET 5 -153.49 85.67 17 A VAL 6 -104.86 -168.47 17 A SER 7 -161.53 83.19 17 A SER 11 176.54 109.10 17 A CYS 13 -160.64 67.00 17 A SER 15 -177.47 100.42 17 A HIS 16 -109.52 55.88 17 A ALA 41 -39.01 98.02 17 A ALA 42 -104.92 -74.67 17 A ALA 47 -58.64 178.52 17 A THR 48 38.79 32.00 17 A ALA 49 -48.13 -83.30 17 A VAL 51 -152.14 61.34 17 A THR 54 38.90 59.44 17 A HIS 63 -39.79 147.11 17 A HIS 65 161.38 116.07 17 A GLN 66 -59.56 174.83 17 A ARG 68 179.98 126.98 17 A ALA 70 58.94 78.10 17 A HIS 74 66.27 140.56 18 A VAL 6 -105.14 -168.48 18 A GLU 9 -44.44 168.43 18 A SER 11 -179.12 147.13 18 A SER 15 178.16 103.72 18 A MET 17 -36.99 97.85 18 A PRO 18 -74.97 -166.59 18 A TYR 19 -46.91 174.68 18 A ALA 41 161.99 57.54 18 A ALA 47 -62.54 -176.54 18 A THR 48 165.75 134.82 18 A ALA 49 -49.34 176.69 18 A THR 54 58.80 70.69 18 A SER 57 64.79 138.76 18 A HIS 64 65.04 145.80 18 A HIS 65 161.42 151.46 18 A ARG 68 -179.69 116.18 18 A ALA 70 -162.73 100.71 18 A SER 72 71.79 168.06 18 A SER 73 56.43 167.67 19 A GLU 2 -117.85 77.19 19 A VAL 6 -64.65 -168.39 19 A GLU 9 -38.95 152.65 19 A SER 11 39.96 80.39 19 A CYS 13 69.57 66.44 19 A SER 15 66.36 78.65 19 A HIS 16 -178.28 80.62 19 A TYR 19 -42.00 98.49 19 A ALA 41 71.37 50.84 19 A ALA 42 -110.36 -79.32 19 A ALA 47 -59.54 -167.03 19 A THR 48 165.53 142.83 19 A ALA 49 -43.46 102.20 19 A ALA 50 -84.86 49.98 19 A HIS 63 50.46 97.32 19 A HIS 65 -38.39 121.74 19 A GLN 66 -54.48 -179.63 19 A SER 73 -174.04 139.28 20 A VAL 3 47.88 -173.94 20 A SER 7 55.02 85.63 20 A SER 10 -149.03 -58.24 20 A SER 11 -163.87 93.40 20 A CYS 13 -162.37 66.35 20 A SER 15 61.10 99.40 20 A TYR 19 -57.05 172.72 20 A ALA 40 -48.59 -83.65 20 A ALA 41 161.95 72.19 20 A ALA 42 -118.96 -72.09 20 A THR 48 39.38 91.17 20 A ALA 49 -43.56 105.05 20 A HIS 63 -41.28 157.72 20 A HIS 65 42.16 90.47 20 A ARG 68 -175.76 93.31 20 A ALA 70 62.51 133.72 21 A GLU 2 -166.63 95.32 21 A GLU 9 -38.96 157.86 21 A SER 10 40.84 90.66 21 A SER 11 177.14 118.00 21 A CYS 13 -119.71 58.90 21 A SER 15 176.93 104.72 21 A HIS 16 -109.68 57.93 21 A TYR 19 -37.92 113.36 21 A ALA 41 -39.00 97.96 21 A ALA 42 -99.57 -73.46 21 A ALA 47 -69.17 -157.44 21 A ALA 49 -48.24 103.10 21 A VAL 51 -149.91 58.58 21 A SER 57 177.63 138.93 21 A HIS 63 -39.87 155.60 21 A HIS 64 -104.51 -62.52 21 A HIS 65 62.86 114.37 21 A SER 72 -123.91 -58.50 21 A SER 73 44.28 84.87 22 A ALA 8 -62.19 -128.70 22 A SER 10 -128.63 -57.92 22 A SER 11 64.36 82.78 22 A CYS 13 -109.12 61.37 22 A HIS 16 -172.61 63.35 22 A ALA 41 -38.95 98.03 22 A ALA 42 -101.48 -75.12 22 A ALA 47 -60.05 -164.92 22 A THR 48 61.99 61.62 22 A ALA 49 -49.47 166.68 22 A VAL 51 -142.62 54.80 22 A THR 54 47.36 -166.24 22 A HIS 62 -119.45 75.77 22 A HIS 65 49.47 92.27 22 A THR 67 -59.89 173.34 22 A ALA 70 -155.22 71.59 22 A SER 72 -156.10 -58.46 23 A GLU 2 -167.43 73.63 23 A MET 5 54.87 174.08 23 A VAL 6 45.02 -169.38 23 A SER 7 -46.30 157.05 23 A GLU 9 -39.04 156.84 23 A SER 10 -165.02 119.74 23 A SER 11 62.77 142.27 23 A CYS 13 -155.49 56.88 23 A SER 15 -96.46 52.06 23 A HIS 16 48.71 78.52 23 A ALA 22 -90.79 33.60 23 A ALA 41 161.92 57.95 23 A ALA 47 -59.96 -173.70 23 A THR 48 61.16 146.21 23 A ALA 49 -49.42 174.94 23 A HIS 63 -39.91 138.37 23 A HIS 65 161.38 93.80 23 A GLN 66 -170.12 -174.23 23 A ALA 70 56.48 171.28 23 A SER 73 63.88 98.47 24 A SER 11 -40.01 158.49 24 A CYS 13 -177.76 66.73 24 A SER 15 63.03 98.83 24 A HIS 16 -115.07 58.92 24 A ALA 41 70.41 60.98 24 A ALA 42 -116.99 -71.71 24 A ALA 47 -58.98 -173.75 24 A THR 48 47.18 88.77 24 A ALA 50 -84.86 49.98 24 A VAL 51 -152.20 63.22 24 A HIS 62 -159.59 71.29 24 A HIS 64 -178.75 86.35 24 A HIS 65 -38.38 108.86 24 A SER 72 57.56 102.30 24 A HIS 74 63.50 170.26 25 A GLU 2 -41.08 151.85 25 A ALA 8 -62.26 -128.64 25 A GLU 9 -45.74 164.34 25 A SER 10 64.26 104.77 25 A CYS 13 -167.04 67.16 25 A SER 15 -155.94 83.29 25 A ALA 22 -90.78 33.58 25 A ALA 40 -44.07 -72.54 25 A ALA 41 -38.95 97.96 25 A ALA 42 -99.29 -75.37 25 A ALA 47 -58.27 -165.64 25 A SER 57 66.39 117.32 25 A HIS 63 -39.87 158.58 25 A HIS 65 161.39 103.17 25 A THR 67 -59.40 171.14 25 A SER 72 55.62 93.90 Solution structure of the tandem inactivation domain (residues 1-75) of potassium channel RCK4 (Kv1.4) 1 N N A GLY 20 A GLY 23 HELX_P A ALA 23 A ALA 26 5 1 4 A GLN 24 A GLN 27 HELX_P A GLU 31 A GLU 34 1 2 8 A ARG 32 A ARG 35 HELX_P A ALA 34 A ALA 37 5 3 3 A ALA 42 A ALA 45 HELX_P A ALA 47 A ALA 50 1 4 6 MEMBRANE PROTEIN voltage-gated potassium channel, inactivation domain, Kv1.4, RCK4, MEMBRANE PROTEIN KCNA4_RAT UNP 1 1 P15385 MEVAMVSAESSGCNSHMPYGYAAQARARERERLAHSRAAAAAAVAAATAAVEGTGGSGGGPHHHHQTRGAYSSHD 1 75 1KN7 1 75 P15385 A 1 4 78 1 SEE REMARK 999 GLY -2 1KN7 A P15385 UNP 1 1 SEE REMARK 999 SER -1 1KN7 A P15385 UNP 2 1 SEE REMARK 999 THR 0 1KN7 A P15385 UNP 3