0.039761 0.004948 0.007379 0.000000 0.033028 0.012478 0.000000 0.000000 0.026229 0.00000 0.00000 0.00000 Pentelute, B.L. Mandal, K. Gates, Z.P. Sawaya, M.R. Yeates, T.O. Kent, S.B.H. http://mmcif.pdb.org/dictionaries/ascii/mmcif_pdbx.dic 4 109.39 97.39 97.09 25.150 30.511 41.097 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 C6 H8 O7 192.124 CITRIC ACID non-polymer 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 H2 O 18.015 WATER non-polymer 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 C2 H F3 O2 114.023 trifluoroacetic acid non-polymer C4 H9 N O3 119.119 y THREONINE L-peptide linking C5 H11 N O2 117.146 y VALINE L-peptide linking UK Chem.Commun.(Camb.) 1359-7345 46 8174 8176 10.1039/c0cc03148h 20877851 Total chemical synthesis and X-ray structure of kaliotoxin by racemic protein crystallography. 2010 1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 100 1 CCD 2007-12-06 MARMOSAIC 300 mm CCD SINGLE WAVELENGTH M x-ray 1 0.95373 1.0 23-ID-B APS 0.95373 SYNCHROTRON APS BEAMLINE 23-ID-B 4165.052 Potassium channel toxin alpha-KTx 3.1 L-Kaliotoxin 2 syn polymer 114.023 trifluoroacetic acid 2 syn non-polymer 192.124 CITRIC ACID 2 syn non-polymer 18.015 water 90 nat water Kaliotoxin-1, KTX-1 no no GVEINVKCSGSPQCLKPCKDAGMRFGKCMNRKCHCTPK GVEINVKCSGSPQCLKPCKDAGMRFGKCMNRKCHCTPK A,B 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 1 1.74 29.41 VAPOR DIFFUSION, HANGING DROP 6.5 1.8 M sodium citrate tribasic dihydrate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K 292 repository Initial release Version format compliance Other 1 0 2010-10-20 1 1 2011-07-13 1 2 2012-03-28 RCSB Y RCSB 2010-08-11 REL REL TFA trifluoroacetic acid CIT CITRIC ACID HOH water Chemical Synthesis 6860 Scorpion Androctonus mauretanicus mauretanicus sample TFA 2 2 TFA TFA 39 A TFA 1 2 TFA TFA 39 B CIT 3 3 CIT CIT 40 B CIT 1 3 CIT CIT 41 B HOH 2 4 HOH HOH 40 A HOH 41 4 HOH HOH 41 A HOH 6 4 HOH HOH 42 A HOH 43 4 HOH HOH 43 A HOH 8 4 HOH HOH 44 A HOH 10 4 HOH HOH 45 A HOH 11 4 HOH HOH 46 A HOH 15 4 HOH HOH 47 A HOH 20 4 HOH HOH 48 A HOH 21 4 HOH HOH 49 A HOH 50 4 HOH HOH 50 A HOH 22 4 HOH HOH 51 A HOH 24 4 HOH HOH 52 A HOH 53 4 HOH HOH 53 A HOH 25 4 HOH HOH 54 A HOH 31 4 HOH HOH 55 A HOH 32 4 HOH HOH 56 A HOH 35 4 HOH HOH 57 A HOH 58 4 HOH HOH 58 A HOH 59 4 HOH HOH 59 A HOH 60 4 HOH HOH 60 A HOH 62 4 HOH HOH 62 A HOH 64 4 HOH HOH 64 A HOH 67 4 HOH HOH 67 A HOH 78 4 HOH HOH 78 A HOH 79 4 HOH HOH 79 A HOH 83 4 HOH HOH 83 A HOH 86 4 HOH HOH 86 A HOH 87 4 HOH HOH 87 A HOH 92 4 HOH HOH 92 A HOH 93 4 HOH HOH 93 A HOH 94 4 HOH HOH 94 A HOH 101 4 HOH HOH 101 A HOH 103 4 HOH HOH 103 A HOH 104 4 HOH HOH 104 A HOH 105 4 HOH HOH 105 A HOH 107 4 HOH HOH 107 A HOH 109 4 HOH HOH 109 A HOH 110 4 HOH HOH 110 A HOH 111 4 HOH HOH 111 A HOH 112 4 HOH HOH 112 A HOH 113 4 HOH HOH 113 A HOH 114 4 HOH HOH 114 A HOH 42 4 HOH HOH 42 B HOH 1 4 HOH HOH 43 B HOH 44 4 HOH HOH 44 B HOH 3 4 HOH HOH 45 B HOH 46 4 HOH HOH 46 B HOH 47 4 HOH HOH 47 B HOH 4 4 HOH HOH 48 B HOH 49 4 HOH HOH 49 B HOH 5 4 HOH HOH 50 B HOH 7 4 HOH HOH 51 B HOH 52 4 HOH HOH 52 B HOH 9 4 HOH HOH 53 B HOH 12 4 HOH HOH 54 B HOH 55 4 HOH HOH 55 B HOH 56 4 HOH HOH 56 B HOH 57 4 HOH HOH 57 B HOH 13 4 HOH HOH 58 B HOH 17 4 HOH HOH 59 B HOH 19 4 HOH HOH 60 B HOH 61 4 HOH HOH 61 B HOH 23 4 HOH HOH 62 B HOH 63 4 HOH HOH 63 B HOH 26 4 HOH HOH 64 B HOH 28 4 HOH HOH 65 B HOH 66 4 HOH HOH 66 B HOH 29 4 HOH HOH 67 B HOH 68 4 HOH HOH 68 B HOH 69 4 HOH HOH 69 B HOH 30 4 HOH HOH 70 B HOH 33 4 HOH HOH 71 B HOH 72 4 HOH HOH 72 B HOH 73 4 HOH HOH 73 B HOH 74 4 HOH HOH 74 B HOH 75 4 HOH HOH 75 B HOH 76 4 HOH HOH 76 B HOH 34 4 HOH HOH 77 B HOH 36 4 HOH HOH 78 B HOH 37 4 HOH HOH 79 B HOH 38 4 HOH HOH 80 B HOH 81 4 HOH HOH 81 B HOH 39 4 HOH HOH 82 B HOH 40 4 HOH HOH 83 B HOH 89 4 HOH HOH 89 B HOH 91 4 HOH HOH 91 B HOH 100 4 HOH HOH 100 B HOH 106 4 HOH HOH 106 B HOH 108 4 HOH HOH 108 B GLY 1 n 1 GLY 1 A VAL 2 n 2 VAL 2 A GLU 3 n 3 GLU 3 A ILE 4 n 4 ILE 4 A ASN 5 n 5 ASN 5 A VAL 6 n 6 VAL 6 A LYS 7 n 7 LYS 7 A CYS 8 n 8 CYS 8 A SER 9 n 9 SER 9 A GLY 10 n 10 GLY 10 A SER 11 n 11 SER 11 A PRO 12 n 12 PRO 12 A GLN 13 n 13 GLN 13 A CYS 14 n 14 CYS 14 A LEU 15 n 15 LEU 15 A LYS 16 n 16 LYS 16 A PRO 17 n 17 PRO 17 A CYS 18 n 18 CYS 18 A LYS 19 n 19 LYS 19 A ASP 20 n 20 ASP 20 A ALA 21 n 21 ALA 21 A GLY 22 n 22 GLY 22 A MET 23 n 23 MET 23 A ARG 24 n 24 ARG 24 A PHE 25 n 25 PHE 25 A GLY 26 n 26 GLY 26 A LYS 27 n 27 LYS 27 A CYS 28 n 28 CYS 28 A MET 29 n 29 MET 29 A ASN 30 n 30 ASN 30 A ARG 31 n 31 ARG 31 A LYS 32 n 32 LYS 32 A CYS 33 n 33 CYS 33 A HIS 34 n 34 HIS 34 A CYS 35 n 35 CYS 35 A THR 36 n 36 THR 36 A PRO 37 n 37 PRO 37 A LYS 38 n 38 LYS 38 A GLY 1 n 1 GLY 1 B VAL 2 n 2 VAL 2 B GLU 3 n 3 GLU 3 B ILE 4 n 4 ILE 4 B ASN 5 n 5 ASN 5 B VAL 6 n 6 VAL 6 B LYS 7 n 7 LYS 7 B CYS 8 n 8 CYS 8 B SER 9 n 9 SER 9 B GLY 10 n 10 GLY 10 B SER 11 n 11 SER 11 B PRO 12 n 12 PRO 12 B GLN 13 n 13 GLN 13 B CYS 14 n 14 CYS 14 B LEU 15 n 15 LEU 15 B LYS 16 n 16 LYS 16 B PRO 17 n 17 PRO 17 B CYS 18 n 18 CYS 18 B LYS 19 n 19 LYS 19 B ASP 20 n 20 ASP 20 B ALA 21 n 21 ALA 21 B GLY 22 n 22 GLY 22 B MET 23 n 23 MET 23 B ARG 24 n 24 ARG 24 B PHE 25 n 25 PHE 25 B GLY 26 n 26 GLY 26 B LYS 27 n 27 LYS 27 B CYS 28 n 28 CYS 28 B MET 29 n 29 MET 29 B ASN 30 n 30 ASN 30 B ARG 31 n 31 ARG 31 B LYS 32 n 32 LYS 32 B CYS 33 n 33 CYS 33 B HIS 34 n 34 HIS 34 B CYS 35 n 35 CYS 35 B THR 36 n 36 THR 36 B PRO 37 n 37 PRO 37 B LYS 38 n 38 LYS 38 B author_defined_assembly 1 monomeric 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 A N VAL 2 A N VAL 2 A O CYS 35 A O CYS 35 A O LYS 32 A O LYS 32 A N MET 29 A N MET 29 B N VAL 2 B N VAL 2 B O CYS 35 B O CYS 35 B O THR 36 B O THR 36 B N ARG 24 B N ARG 24 1 B MET 23 A -117.73 -160.15 1 B PHE 25 A 56.72 -134.34 1 B PHE 25 B -178.21 -177.61 10.564 0.22 0.12 -0.21 -0.53 0.10 0.35 0.970 0.966 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS 0.20326 0.18800 0.18878 0.95 38.13 3130 59134 5.0 87.92 0.469 0.011 RANDOM 1 THROUGHOUT AB INITIO PHASING 0.025 0.80 0.80 1.40 MAXIMUM LIKELIHOOD MASK 0.95 38.13 90 696 40 0 566 0.011 0.022 840 0.001 0.020 674 1.646 2.058 1142 0.872 3.000 1666 5.446 5.000 118 29.988 21.481 27 13.919 15.000 194 14.498 15.000 9 0.098 0.200 110 0.007 0.021 917 0.001 0.020 152 1.632 1.500 496 0.449 1.500 193 2.561 2.000 821 3.483 3.000 344 5.161 4.500 306 1.232 3.000 1514 0.553 0.494 0.975 111 2262 20 45.08 0.95 50 3ODV 62285 62285 0.057 1 19.9 4.3 88.2 0.95 0.98 1.8 3600 1 3.5 50.9 phasing SHELXD refinement REFMAC 5.5.0109 data reduction HKL-2000 data scaling HKL-2000 Potassium channel toxin alpha-KTx 3.1 X-ray structure of kaliotoxin by racemic protein crystallography 1 N N 1 N N 2 N N 2 N N 3 N N 3 N N 4 N N 4 N N A GLY 10 A GLY 10 HELX_P A GLN 13 A GLN 13 5 1 4 A CYS 14 A CYS 14 HELX_P A ALA 21 A ALA 21 1 2 8 B GLY 10 B GLY 10 HELX_P B GLN 13 B GLN 13 5 3 4 B CYS 14 B CYS 14 HELX_P B ALA 21 B ALA 21 1 4 8 disulf 2.056 A CYS 8 A SG CYS 8 1_555 A CYS 28 A SG CYS 28 1_555 disulf 2.064 A CYS 14 A SG CYS 14 1_555 A CYS 33 A SG CYS 33 1_555 disulf 2.040 A CYS 18 A SG CYS 18 1_555 A CYS 35 A SG CYS 35 1_555 disulf 2.064 B CYS 8 B SG CYS 8 1_555 B CYS 28 B SG CYS 28 1_555 disulf 2.060 B CYS 14 B SG CYS 14 1_555 B CYS 33 B SG CYS 33 1_555 disulf 2.034 B CYS 18 B SG CYS 18 1_555 B CYS 35 B SG CYS 35 1_555 TOXIN Racemic protein, Direct methods, Toxin, chemical synthesis KAX31_ANDMA UNP 1 1 P24662 GVEINVKCSGSPQCLKPCKDAGMRFGKCMNRKCHCTPK 1 38 3ODV 1 38 P24662 A 1 1 38 1 38 3ODV 1 38 P24662 B 1 1 38 3 3 anti-parallel anti-parallel anti-parallel anti-parallel A VAL 2 A VAL 2 A LYS 7 A LYS 7 A LYS 32 A LYS 32 A CYS 35 A CYS 35 A GLY 26 A GLY 26 A MET 29 A MET 29 B VAL 2 B VAL 2 B LYS 7 B LYS 7 B LYS 32 B LYS 32 B THR 36 B THR 36 B ARG 24 B ARG 24 B MET 29 B MET 29 BINDING SITE FOR RESIDUE TFA A 39 Software 8 BINDING SITE FOR RESIDUE TFA B 39 Software 6 BINDING SITE FOR RESIDUE CIT B 40 Software 7 BINDING SITE FOR RESIDUE CIT B 41 Software 5 A GLY 1 A GLY 1 8 1_555 A GLY 26 A GLY 26 8 1_555 A LYS 27 A LYS 27 8 1_555 A MET 29 A MET 29 8 1_555 A HIS 34 A HIS 34 8 1_555 A THR 36 A THR 36 8 1_555 A HOH 55 G HOH 8 1_555 A HOH 60 G HOH 8 1_555 B GLY 1 B GLY 1 6 1_555 B LYS 27 B LYS 27 6 1_555 B MET 29 B MET 29 6 1_555 B HIS 34 B HIS 34 6 1_555 B HOH 54 H HOH 6 1_555 B HOH 59 H HOH 6 1_555 B SER 9 B SER 9 7 1_555 B GLN 13 B GLN 13 7 1_555 B ARG 24 B ARG 24 7 1_565 B HOH 46 H HOH 7 1_555 B HOH 48 H HOH 7 1_555 B HOH 56 H HOH 7 1_555 B HOH 77 H HOH 7 1_565 A LYS 27 A LYS 27 5 1_555 B LYS 19 B LYS 19 5 1_555 B ARG 24 B ARG 24 5 1_555 B LYS 38 B LYS 38 5 1_555 B HOH 83 H HOH 5 1_555 2 P -1