HEADER TOXIN 25-JUL-03 1Q2K TITLE SOLUTION STRUCTURE OF BMBKTX1 A NEW POTASSIUM CHANNEL TITLE 2 BLOCKER FROM THE CHINESE SCORPION BUTHUS MARTENSI KARSCH COMPND MOL_ID: 1; COMPND 2 MOLECULE: NEUROTOXIN BMK37; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BMBKTX1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SOLID PHASE PEPTIDE SYNTHESIS KEYWDS ALPHA-HELIX, BETA-SHEET, TOXIN EXPDTA SOLUTION NMR NUMMDL 21 MDLTYP MINIMIZED AVERAGE AUTHOR Z.CAI,C.XU,Y.XU,W.LU,C.W.CHI,Y.SHI,J.WU REVDAT 3 24-FEB-09 1Q2K 1 VERSN REVDAT 2 13-APR-04 1Q2K 1 JRNL REVDAT 1 09-SEP-03 1Q2K 0 JRNL AUTH Z.CAI,C.XU,Y.XU,W.LU,C.W.CHI,Y.SHI,J.WU JRNL TITL SOLUTION STRUCTURE OF BMBKTX1, A NEW BK(CA)(1) JRNL TITL 2 CHANNEL BLOCKER FROM THE CHINESE SCORPION BUTHUS JRNL TITL 3 MARTENSI KARSCH(,). JRNL REF BIOCHEMISTRY V. 43 3764 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15049683 JRNL DOI 10.1021/BI035412+ REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 KUNSTLEVE,JIANG,KUSZEWSKI,NILGES, PANNU,READ, REMARK 3 RICE,SIMONSON,WARREN REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Q2K COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 31-JUL-03. REMARK 100 THE RCSB ID CODE IS RCSB019835. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300; 292 REMARK 210 PH : 5.0; 5.0 REMARK 210 IONIC STRENGTH : NULL; NULL REMARK 210 PRESSURE : 1ATM; 1ATM REMARK 210 SAMPLE CONTENTS : 3MM BMBKTX1, 0.45ML OF 90% REMARK 210 H2O, 10% D2O (V/V); PH 5.0; REMARK 210 3MM BMBKTX1, 99.96% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, 2D TOCSY, DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : DMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CNS 1.0, XEASY 3.2, DIANA 2.8 REMARK 210 METHOD USED : SIMULATED ANNEALING, ENERGY REMARK 210 MINIMIZATION REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 21 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE STRUCTURES ARE BASED ON A TOTAL OF 322 RESTRAINTS, REMARK 210 287 ARE NOE-DERIVED DISTANCE CONSTRAINTS, 21 DIHEDRAL ANGLE REMARK 210 RESTRAINTS, 14 DISTANCE RESTRAINTS FROM HYDROGEN BONDS REMARK 215 REMARK 215 NMR STUDY REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION REMARK 215 NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 215 THESE RECORDS ARE MEANINGLESS. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: TORSION ANGLES REMARK 500 REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS: REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2) REMARK 500 REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI- REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400 REMARK 500 REMARK 500 M RES CSSEQI PSI PHI REMARK 500 1 SER A 19 -173.95 165.66 REMARK 500 1 ILE A 23 -146.24 -96.87 REMARK 500 1 SER A 25 35.38 -177.12 REMARK 500 2 SER A 19 174.79 175.16 REMARK 500 2 ILE A 23 -137.38 -94.90 REMARK 500 2 SER A 25 36.52 -175.40 REMARK 500 2 TYR A 30 76.66 -113.27 REMARK 500 3 SER A 19 -175.43 163.51 REMARK 500 3 ILE A 23 -139.99 -97.26 REMARK 500 3 SER A 25 32.45 -177.06 REMARK 500 4 SER A 19 -172.95 158.59 REMARK 500 4 ILE A 23 -144.26 -100.28 REMARK 500 4 SER A 25 35.70 -177.78 REMARK 500 5 SER A 19 172.63 174.00 REMARK 500 5 ILE A 23 -136.45 -94.66 REMARK 500 5 SER A 25 37.07 -176.20 REMARK 500 5 TYR A 30 75.59 -116.19 REMARK 500 6 SER A 19 176.00 172.40 REMARK 500 6 ILE A 23 -138.08 -94.95 REMARK 500 6 SER A 25 35.81 -175.69 REMARK 500 6 TYR A 30 75.06 -113.88 REMARK 500 7 SER A 19 174.45 177.18 REMARK 500 7 ILE A 23 -149.15 -113.84 REMARK 500 7 SER A 25 38.68 -173.63 REMARK 500 7 TYR A 30 77.56 -117.24 REMARK 500 8 SER A 19 -174.22 160.87 REMARK 500 8 ILE A 23 -141.72 -101.56 REMARK 500 8 SER A 25 32.27 -177.04 REMARK 500 9 SER A 19 -174.00 161.66 REMARK 500 9 ILE A 23 -149.65 -98.35 REMARK 500 9 SER A 25 35.01 -175.82 REMARK 500 10 SER A 19 -174.01 163.11 REMARK 500 10 ILE A 23 -149.59 -111.49 REMARK 500 10 SER A 25 37.32 -175.05 REMARK 500 11 SER A 19 -174.42 164.52 REMARK 500 11 ILE A 23 -141.55 -95.89 REMARK 500 11 SER A 25 36.35 -176.53 REMARK 500 12 SER A 19 -174.01 162.29 REMARK 500 12 ILE A 23 -141.12 -100.67 REMARK 500 12 SER A 25 33.46 -177.17 REMARK 500 13 SER A 19 -176.70 163.13 REMARK 500 13 ILE A 23 -143.47 -100.94 REMARK 500 13 SER A 25 28.70 -175.55 REMARK 500 14 SER A 19 -174.01 163.11 REMARK 500 14 ILE A 23 -149.59 -111.49 REMARK 500 14 SER A 25 37.32 -175.05 REMARK 500 15 ALA A 2 86.22 -64.76 REMARK 500 15 SER A 19 -175.52 160.64 REMARK 500 15 ILE A 23 -149.50 -100.82 REMARK 500 15 SER A 25 33.38 -176.16 REMARK 500 16 SER A 19 170.42 177.99 REMARK 500 16 ILE A 23 -134.75 -94.51 REMARK 500 16 SER A 25 35.20 -176.01 REMARK 500 16 TYR A 30 79.53 -116.37 REMARK 500 17 SER A 19 -174.46 159.13 REMARK 500 17 ILE A 23 -144.24 -96.60 REMARK 500 17 SER A 25 35.80 -177.40 REMARK 500 18 SER A 19 177.31 177.64 REMARK 500 18 ILE A 23 -135.28 -94.98 REMARK 500 18 SER A 25 34.63 -176.67 REMARK 500 18 TYR A 30 76.38 -114.53 REMARK 500 19 SER A 19 -175.12 162.82 REMARK 500 19 ILE A 23 -143.89 -97.75 REMARK 500 19 SER A 25 35.95 -177.61 REMARK 500 20 SER A 19 174.59 177.58 REMARK 500 20 ILE A 23 -152.17 -111.91 REMARK 500 20 SER A 25 37.02 -173.77 REMARK 500 20 TYR A 30 78.44 -116.85 REMARK 500 21 SER A 19 -173.83 163.34 REMARK 500 21 ILE A 23 -142.60 -103.66 REMARK 500 21 SER A 25 32.69 -177.62 REMARK 500 REMARK 500 REMARK: NULL DBREF 1Q2K A 1 31 UNP P83407 SCBX_MESMA 1 31 SEQRES 1 A 31 ALA ALA CYS TYR SER SER ASP CYS ARG VAL LYS CYS VAL SEQRES 2 A 31 ALA MET GLY PHE SER SER GLY LYS CYS ILE ASN SER LYS SEQRES 3 A 31 CYS LYS CYS TYR LYS HELIX 1 1 TYR A 4 MET A 15 1 12 SHEET 1 A 2 GLY A 20 CYS A 22 0 SHEET 2 A 2 CYS A 27 CYS A 29 -1 O LYS A 28 N LYS A 21 SSBOND 1 CYS A 3 CYS A 22 1555 1555 2.03 SSBOND 2 CYS A 8 CYS A 27 1555 1555 2.03 SSBOND 3 CYS A 12 CYS A 29 1555 1555 2.03 CRYST1 1.000 1.000 1.000 90.00 90.00 90.00 P 1 1 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 1.000000 0.000000 0.000000 0.00000 SCALE2 0.000000 1.000000 0.000000 0.00000 SCALE3 0.000000 0.000000 1.000000 0.00000 ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL MASTER 141 0 0 1 2 0 0 6 0 0 0 3 END