1.000000 0.000000 0.000000 0.000000 1.000000 0.000000 0.000000 0.000000 1.000000 0.00000 0.00000 0.00000 Wang, Y. Li, M. Zhang, N. Wu, G. Hu, G. Wu, H. 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 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 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 Proteins PSFGEY 0867 0887-3585 58 489 497 10.1002/prot.20322 15558557 The solution structure of BmTx3B, a member of the scorpion toxin subfamily alpha-KTx 16 2005 10.2210/pdb1m2s/pdb pdb_00001m2s 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 4069.691 Toxin BmTX3 1 nat polymer Neurotoxin TX3 no no FGLIDVKCFASSECWTACKKVTGSGQGKCQNNQCRCY FGLIDVKCFASSECWTACKKVTGSGQGKCQNNQCRCY 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 Chinese scorpion Mesobuthus sample 34649 Mesobuthus martensii venom database_2 pdbx_nmr_software pdbx_struct_assembly pdbx_struct_oper_list repository Initial release Version format compliance Version format compliance Data collection Database references Derived calculations 1 0 2004-04-06 1 1 2008-04-28 1 2 2011-07-13 1 3 2022-02-23 _database_2.pdbx_DOI _database_2.pdbx_database_accession _pdbx_nmr_software.name 1BIG contains Scorpion Toxin BmTX1 2BMT contains Scorpion Toxin BmTX2 2CRD contains charybdotoxin 1LIR contains scorpion toxin Lq2 RCSB Y PDBJ 2002-06-25 REL REL This structure was determined using standard 2D homonuclear techniques. structures with the lowest energy 200 25 2D TOCSY 2D TOCSY DQF-COSY 2D NOESY 2D TOCSY DQF-COSY 3.03 ambient 303 K distance geometry 1 lowest energy 2.5mM 90% H2O/10% D2O 2.5mM 100% D2O Mike Carlisle, Dan Steele, Mike Miller collection VNMR 6.1B Mike Carlisle, Dan Steele, Mike Miller processing VNMR 6.1B Tai-he Xia, Christian Bartel data analysis XEASY 1994 Peter Guntert, Christian Mumenthaler, Torsten Herrmann structure solution DYANA 1.5 Peter Kollman, Dave Case, Ken Merz, Thomas Cheatham, Carlos Simmerling, Dave Pearlman refinement Amber 5.0 600 Varian INOVA PHE 1 n 1 PHE 1 A GLY 2 n 2 GLY 2 A LEU 3 n 3 LEU 3 A ILE 4 n 4 ILE 4 A ASP 5 n 5 ASP 5 A VAL 6 n 6 VAL 6 A LYS 7 n 7 LYS 7 A CYS 8 n 8 CYS 8 A PHE 9 n 9 PHE 9 A ALA 10 n 10 ALA 10 A SER 11 n 11 SER 11 A SER 12 n 12 SER 12 A GLU 13 n 13 GLU 13 A CYS 14 n 14 CYS 14 A TRP 15 n 15 TRP 15 A THR 16 n 16 THR 16 A ALA 17 n 17 ALA 17 A CYS 18 n 18 CYS 18 A LYS 19 n 19 LYS 19 A LYS 20 n 20 LYS 20 A VAL 21 n 21 VAL 21 A THR 22 n 22 THR 22 A GLY 23 n 23 GLY 23 A SER 24 n 24 SER 24 A GLY 25 n 25 GLY 25 A GLN 26 n 26 GLN 26 A GLY 27 n 27 GLY 27 A LYS 28 n 28 LYS 28 A CYS 29 n 29 CYS 29 A GLN 30 n 30 GLN 30 A ASN 31 n 31 ASN 31 A ASN 32 n 32 ASN 32 A GLN 33 n 33 GLN 33 A CYS 34 n 34 CYS 34 A ARG 35 n 35 ARG 35 A CYS 36 n 36 CYS 36 A TYR 37 n 37 TYR 37 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 A N GLN 30 A N GLN 30 A O GLN 33 A O GLN 33 2 A A ASP VAL 5 6 148.79 7 A A GLY LEU 2 3 147.43 22 A A CYS PHE 8 9 148.07 2 A TYR 37 0.115 SIDE CHAIN 3 A TYR 37 0.086 SIDE CHAIN 10 A TYR 37 0.088 SIDE CHAIN 15 A TYR 37 0.068 SIDE CHAIN 19 A ARG 35 0.131 SIDE CHAIN 20 A ARG 35 0.138 SIDE CHAIN 23 A ARG 35 0.076 SIDE CHAIN 1 10.95 1.10 114.20 125.15 A A A CA CB SG CYS CYS CYS 34 34 34 N 2 8.03 1.10 114.20 122.23 A A A CA CB SG CYS CYS CYS 29 29 29 N 2 11.56 1.10 114.20 125.76 A A A CA CB SG CYS CYS CYS 34 34 34 N 3 6.87 1.10 114.20 121.07 A A A CA CB SG CYS CYS CYS 8 8 8 N 3 11.28 1.10 114.20 125.48 A A A CA CB SG CYS CYS CYS 34 34 34 N 3 7.47 1.10 114.20 121.67 A A A CA CB SG CYS CYS CYS 36 36 36 N 4 9.40 1.10 114.20 123.60 A A A CA CB SG CYS CYS CYS 34 34 34 N 5 6.66 1.10 114.20 120.86 A A A CA CB SG CYS CYS CYS 29 29 29 N 5 11.41 1.10 114.20 125.61 A A A CA CB SG CYS CYS CYS 34 34 34 N 6 10.49 1.10 114.20 124.69 A A A CA CB SG CYS CYS CYS 34 34 34 N 6 9.95 1.10 114.20 124.15 A A A CA CB SG CYS CYS CYS 36 36 36 N 7 11.83 1.10 114.20 126.03 A A A CA CB SG CYS CYS CYS 34 34 34 N 8 10.40 1.10 114.20 124.60 A A A CA CB SG CYS CYS CYS 34 34 34 N 9 11.07 1.10 114.20 125.27 A A A CA CB SG CYS CYS CYS 34 34 34 N 9 11.25 1.10 114.20 125.45 A A A CA CB SG CYS CYS CYS 36 36 36 N 10 7.15 1.10 114.20 121.35 A A A CA CB SG CYS CYS CYS 8 8 8 N 10 7.98 1.10 114.20 122.18 A A A CA CB SG CYS CYS CYS 29 29 29 N 10 12.12 1.10 114.20 126.32 A A A CA CB SG CYS CYS CYS 34 34 34 N 11 12.38 1.10 114.20 126.58 A A A CA CB SG CYS CYS CYS 34 34 34 N 12 12.31 1.10 114.20 126.51 A A A CA CB SG CYS CYS CYS 34 34 34 N 13 9.89 1.10 114.20 124.09 A A A CA CB SG CYS CYS CYS 34 34 34 N 14 9.73 1.10 114.20 123.93 A A A CA CB SG CYS CYS CYS 34 34 34 N 15 7.46 1.10 114.20 121.66 A A A CA CB SG CYS CYS CYS 8 8 8 N 15 12.57 1.10 114.20 126.77 A A A CA CB SG CYS CYS CYS 34 34 34 N 15 -3.14 0.50 120.30 117.16 A A A NE CZ NH2 ARG ARG ARG 35 35 35 N 16 7.18 1.10 114.20 121.38 A A A CA CB SG CYS CYS CYS 29 29 29 N 16 11.86 1.10 114.20 126.06 A A A CA CB SG CYS CYS CYS 34 34 34 N 17 12.31 1.10 114.20 126.51 A A A CA CB SG CYS CYS CYS 34 34 34 N 18 6.74 1.10 114.20 120.94 A A A CA CB SG CYS CYS CYS 8 8 8 N 18 11.29 1.10 114.20 125.49 A A A CA CB SG CYS CYS CYS 34 34 34 N 19 6.93 1.10 114.20 121.13 A A A CA CB SG CYS CYS CYS 8 8 8 N 19 7.91 1.10 114.20 122.11 A A A CA CB SG CYS CYS CYS 29 29 29 N 19 10.86 1.10 114.20 125.06 A A A CA CB SG CYS CYS CYS 34 34 34 N 20 6.83 1.10 114.20 121.03 A A A CA CB SG CYS CYS CYS 8 8 8 N 20 8.16 1.10 114.20 122.36 A A A CA CB SG CYS CYS CYS 29 29 29 N 20 11.44 1.10 114.20 125.64 A A A CA CB SG CYS CYS CYS 34 34 34 N 21 7.36 1.10 114.20 121.56 A A A CA CB SG CYS CYS CYS 29 29 29 N 21 10.57 1.10 114.20 124.77 A A A CA CB SG CYS CYS CYS 34 34 34 N 22 6.72 1.10 114.20 120.92 A A A CA CB SG CYS CYS CYS 8 8 8 N 22 7.67 1.10 114.20 121.87 A A A CA CB SG CYS CYS CYS 29 29 29 N 22 11.19 1.10 114.20 125.39 A A A CA CB SG CYS CYS CYS 34 34 34 N 23 6.93 1.10 114.20 121.13 A A A CA CB SG CYS CYS CYS 29 29 29 N 23 13.29 1.10 114.20 127.49 A A A CA CB SG CYS CYS CYS 34 34 34 N 24 12.27 1.10 114.20 126.47 A A A CA CB SG CYS CYS CYS 34 34 34 N 24 8.83 1.10 114.20 123.03 A A A CA CB SG CYS CYS CYS 36 36 36 N 25 6.65 1.10 114.20 120.85 A A A CA CB SG CYS CYS CYS 29 29 29 N 25 12.78 1.10 114.20 126.98 A A A CA CB SG CYS CYS CYS 34 34 34 N 1 A LYS 7 -41.04 107.66 1 A ALA 10 176.25 155.91 1 A ASN 31 66.04 -82.37 1 A ASN 32 -157.90 43.29 2 A ALA 10 178.97 154.17 2 A ASN 31 64.43 -82.64 2 A ASN 32 -163.63 43.89 3 A VAL 21 -68.65 -71.34 3 A ASN 31 67.58 -93.05 3 A ASN 32 -154.95 58.51 3 A CYS 36 -84.35 -129.65 4 A ASN 31 65.64 -79.69 4 A ASN 32 -159.31 43.08 5 A ASN 31 73.27 -75.58 5 A ASN 32 -168.48 46.94 6 A LYS 7 -52.22 104.29 6 A ASN 31 73.88 -85.31 6 A ASN 32 -152.73 46.19 7 A LYS 7 -53.60 102.20 7 A ALA 10 173.54 156.41 7 A ASN 31 68.71 -89.45 7 A ASN 32 -161.27 55.28 8 A ALA 10 174.08 165.12 8 A ASN 31 69.40 -77.62 8 A ASN 32 -153.95 39.11 8 A CYS 36 -91.15 -154.99 9 A LYS 7 -43.84 101.83 9 A ALA 10 176.24 166.24 9 A ASN 31 66.03 -78.13 9 A ASN 32 -165.26 44.43 10 A THR 22 -151.60 -49.15 10 A ASN 31 70.84 -84.96 10 A ASN 32 -162.34 56.36 11 A LYS 7 -49.53 101.48 11 A ASN 31 61.68 -93.43 11 A ASN 32 -153.35 55.37 12 A LYS 7 -37.70 106.31 12 A ALA 10 178.51 166.43 12 A ASN 31 69.04 -78.91 12 A ASN 32 -166.63 44.86 13 A LYS 7 -55.67 106.70 13 A ASN 31 63.32 -92.37 13 A ASN 32 -147.68 55.18 14 A LYS 7 -65.55 95.63 14 A ASN 31 68.50 -92.75 14 A ASN 32 -154.46 57.05 15 A TRP 15 -60.56 -71.43 15 A ASN 31 72.27 -88.22 15 A ASN 32 -159.06 52.81 16 A LYS 7 -61.90 95.41 16 A ASN 31 68.86 -93.40 16 A ASN 32 -153.80 52.03 17 A LYS 7 -37.70 106.31 17 A ALA 10 178.51 166.43 17 A ASN 31 69.04 -78.91 17 A ASN 32 -166.63 44.86 18 A ASN 31 63.46 -89.32 18 A ASN 32 -153.25 53.65 19 A LYS 7 -66.16 96.01 19 A THR 22 -140.64 25.34 19 A ASN 31 57.65 -94.94 20 A LYS 7 -54.72 105.91 20 A ASN 31 71.48 -83.30 20 A ASN 32 -162.35 55.58 21 A LYS 7 -65.26 94.24 21 A ASN 31 62.95 -89.77 21 A ASN 32 -150.28 56.22 22 A ASN 31 64.08 -91.26 22 A ASN 32 -155.42 62.92 23 A LYS 7 -58.08 101.20 23 A ASN 31 67.22 -90.81 23 A ASN 32 -156.16 53.83 24 A GLU 13 -20.97 -59.44 24 A ASN 31 67.68 -89.90 24 A ASN 32 -154.58 58.38 25 A ALA 10 179.33 153.05 25 A ASN 31 63.55 -87.63 25 A ASN 32 -161.02 63.94 Solution Structure of A New Potassium Channels Blocker from the Venom of Chinese Scorpion Buthus martensi Karsch 1 N N A ALA 10 A ALA 10 HELX_P A THR 22 A THR 22 1 1 13 disulf 2.087 A CYS 8 A SG CYS 8 1_555 A CYS 29 A SG CYS 29 1_555 disulf 2.047 A CYS 14 A SG CYS 14 1_555 A CYS 34 A SG CYS 34 1_555 disulf 2.059 A CYS 18 A SG CYS 18 1_555 A CYS 36 A SG CYS 36 1_555 TOXIN alpha/beta scaffold, TOXIN SCKM_MESMA UNP 1 23 Q9NBG9 FGLIDVKCFASSECWTACKKVTGSGQGKCQNNQCRCY 23 59 1M2S 1 37 Q9NBG9 A 1 1 37 2 anti-parallel A GLY 27 A GLY 27 A GLN 30 A GLN 30 A GLN 33 A GLN 33 A CYS 36 A CYS 36 1 P 1