10 20 30 40 50 60 70 80 1RJI - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 19-NOV-03 1RJI
TITLE SOLUTION STRUCTURE OF BMKX, A NOVEL POTASSIUM CHANNEL TITLE 2 BLOCKER FROM THE CHINESE SCORPION BUTHUS MARTENSI KARSCH
COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL TOXIN KX; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BMKX; COMPND 5 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN THE SOURCE 4 CHINESE SCORPION BUTHUS MARTENSI KARSCH
KEYWDS 3-10 HELIX, BETA SHEET, TOXIN
EXPDTA SOLUTION NMR
NUMMDL 21
MDLTYP MINIMIZED AVERAGE
AUTHOR Z.CAI,J.WU,Y.XU,C.-G.WANG,C.-W.CHI,Y.SHI
REVDAT 3 24-FEB-09 1RJI 1 VERSN REVDAT 2 15-MAR-05 1RJI 1 AUTHOR JRNL REVDAT 1 09-DEC-03 1RJI 0
JRNL AUTH C.-G.WANG,Z.CAI,W.LU,J.WU,Y.XU,Y.SHI,C.-W.CHI JRNL TITL A NOVEL SHORT-CHAIN PEPTIDE BMKX FROM THE CHINESE JRNL TITL 2 SCORPION BUTHUS MARTENSI KARSCH, SEQUENCING, GENE JRNL TITL 3 CLONING AND STRUCTURE DETERMINATION JRNL REF TOXICON V. 45 309 2005 JRNL REFN ISSN 0041-0101 JRNL PMID 15683869 JRNL DOI 10.1016/J.TOXICON.2004.11.014
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 REMARK 3 AUTHORS : BRUNGER, A.T. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL REMARK 3 OF 283 RESTRAINTS, 245 ARE NOE-DERIVED DISTANCE CONSTRAINTS, REMARK 3 19 DIHEDRAL ANGLE RESTRAINTS,19 DISTANCE RESTRAINTS FROM REMARK 3 HYDROGEN BONDS.
REMARK 4 REMARK 4 1RJI COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 21-NOV-03. REMARK 100 THE RCSB ID CODE IS RCSB020804.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300; 300 REMARK 210 PH : 5.0; 5.0 REMARK 210 IONIC STRENGTH : 50MM PHOSPHATE; 50MM PHOSPHATE REMARK 210 PRESSURE : 1ATM; 1ATM REMARK 210 SAMPLE CONTENTS : PHOSPHATE BUFFER PH 5.0; 3MM REMARK 210 BMKX; PHOSPHATE BUFFER PH 5.0; REMARK 210 3MM BMKX REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : DQF-COSY, 2D TOCSY, 2D NOESY, REMARK 210 E-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 : XEASY 3.2, DIANA 2.8, CNS 1.0 REMARK 210 METHOD USED : SIMULATED ANNEALING AND REMARK 210 ENERGY 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: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES
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 PRO A 2 40.64 -84.46 REMARK 500 1 TYR A 3 -60.62 -90.41 REMARK 500 1 LYS A 23 -158.35 -94.62 REMARK 500 1 ASN A 24 65.72 -56.42 REMARK 500 1 CYS A 30 -128.79 -78.98 REMARK 500 2 PRO A 2 43.73 -81.39 REMARK 500 2 LYS A 23 -155.73 -95.11 REMARK 500 2 ASN A 24 64.08 -53.64 REMARK 500 2 CYS A 30 -128.20 -80.71 REMARK 500 3 PRO A 2 42.27 -82.62 REMARK 500 3 LYS A 23 -156.92 -94.90 REMARK 500 3 ASN A 24 66.02 -57.01 REMARK 500 3 CYS A 30 -126.45 -79.63 REMARK 500 4 PRO A 2 41.62 -81.40 REMARK 500 4 LYS A 23 -157.50 -95.38 REMARK 500 4 ASN A 24 64.87 -55.08 REMARK 500 4 CYS A 30 90.31 -40.24 REMARK 500 5 PRO A 2 43.33 -82.83 REMARK 500 5 LYS A 23 -154.71 -99.46 REMARK 500 5 ASN A 24 63.83 -50.14 REMARK 500 5 CYS A 30 -127.66 -80.93 REMARK 500 6 PRO A 2 42.48 -83.10 REMARK 500 6 LYS A 23 -155.73 -95.05 REMARK 500 6 ASN A 24 65.21 -54.97 REMARK 500 6 CYS A 30 -127.96 -81.15 REMARK 500 7 PRO A 2 41.12 -82.65 REMARK 500 7 ARG A 11 0.57 -69.30 REMARK 500 7 LYS A 23 -157.41 -95.18 REMARK 500 7 ASN A 24 65.62 -56.69 REMARK 500 7 CYS A 30 -127.82 -81.46 REMARK 500 8 PRO A 2 40.52 -83.14 REMARK 500 8 LYS A 23 -155.42 -95.10 REMARK 500 8 ASN A 24 65.02 -54.28 REMARK 500 8 CYS A 30 -128.43 -80.77 REMARK 500 9 PRO A 2 40.47 -82.60 REMARK 500 9 LYS A 23 -154.49 -99.15 REMARK 500 9 ASN A 24 64.27 -50.82 REMARK 500 9 CYS A 30 -128.78 -81.75 REMARK 500 10 PRO A 2 43.71 -82.19 REMARK 500 10 ARG A 11 1.96 -69.10 REMARK 500 10 LYS A 23 -156.05 -94.94 REMARK 500 10 ASN A 24 65.23 -55.41 REMARK 500 10 CYS A 30 -127.53 -80.28 REMARK 500 11 PRO A 2 36.57 -82.20 REMARK 500 11 LYS A 23 -156.07 -94.81 REMARK 500 11 ASN A 24 64.71 -55.56 REMARK 500 11 CYS A 30 -127.39 -82.51 REMARK 500 12 PRO A 2 42.74 -83.14 REMARK 500 12 LYS A 23 -155.48 -94.93 REMARK 500 12 ASN A 24 65.13 -55.30 REMARK 500 12 CYS A 30 -128.51 -81.95 REMARK 500 13 PRO A 2 42.55 -84.82 REMARK 500 13 LYS A 23 -157.01 -95.29 REMARK 500 13 ASN A 24 65.76 -56.00 REMARK 500 13 CYS A 30 -128.70 -81.86 REMARK 500 14 PRO A 2 62.02 -69.17 REMARK 500 14 LYS A 23 -154.91 -94.70 REMARK 500 14 ASN A 24 65.17 -54.95 REMARK 500 14 CYS A 30 -127.21 -79.58 REMARK 500 15 PRO A 2 44.52 -80.83 REMARK 500 15 LYS A 23 -156.74 -95.48 REMARK 500 15 ASN A 24 64.69 -54.07 REMARK 500 15 CYS A 30 -127.33 -79.00 REMARK 500 16 PRO A 2 42.58 -81.45 REMARK 500 16 LYS A 23 -155.49 -96.58 REMARK 500 16 ASN A 24 65.43 -52.77 REMARK 500 16 CYS A 30 -128.24 -80.86 REMARK 500 17 PRO A 2 40.85 -82.54 REMARK 500 17 LYS A 23 -155.50 -95.04 REMARK 500 17 ASN A 24 64.95 -54.05 REMARK 500 17 CYS A 30 -128.32 -80.76 REMARK 500 18 PRO A 2 41.04 -82.61 REMARK 500 18 LYS A 23 -152.66 -96.32 REMARK 500 18 ASN A 24 64.62 -51.97 REMARK 500 18 CYS A 30 -128.42 -80.83 REMARK 500 19 PRO A 2 49.44 -79.11 REMARK 500 19 LYS A 23 -156.72 -95.10 REMARK 500 19 ASN A 24 65.90 -56.67 REMARK 500 19 CYS A 30 90.55 -40.91 REMARK 500 20 PRO A 2 42.00 -82.90 REMARK 500 20 LYS A 23 -159.25 -94.03 REMARK 500 20 ASN A 24 66.67 -58.01 REMARK 500 20 CYS A 30 -128.11 -80.15 REMARK 500 21 ARG A 11 3.18 -69.27 REMARK 500 21 LYS A 23 -157.35 -95.30 REMARK 500 21 ASN A 24 65.54 -56.12 REMARK 500 21 CYS A 30 -130.63 -86.01 REMARK 500 REMARK 500 REMARK: NULL
DBREF 1RJI A 1 31 UNP Q7Z0H4 SCKI_MESMA 24 54
SEQRES 1 A 31 THR PRO TYR PRO VAL ASN CYS LYS THR ASP ARG ASP CYS SEQRES 2 A 31 VAL MET CYS GLY LEU GLY ILE SER CYS LYS ASN GLY TYR SEQRES 3 A 31 CYS GLN GLY CYS THR
HELIX 1 1 THR A 9 VAL A 14 5 6
SSBOND 1 CYS A 7 CYS A 22 1555 1555 2.03 SSBOND 2 CYS A 13 CYS A 27 1555 1555 2.03 SSBOND 3 CYS A 16 CYS A 30 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