10 20 30 40 50 60 70 80 1CHL - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER NEUROTOXIN 09-NOV-94 1CHL
TITLE NMR SEQUENTIAL ASSIGNMENTS AND SOLUTION STRUCTURE OF TITLE 2 CHLOROTOXIN, A SMALL SCORPION TOXIN THAT BLOCKS CHLORIDE TITLE 3 CHANNELS
COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHLOROTOXIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LEIURUS QUINQUESTRIATUS; SOURCE 3 ORGANISM_COMMON: EGYPTIAN SCORPION; SOURCE 4 ORGANISM_TAXID: 6883
KEYWDS NEUROTOXIN
EXPDTA SOLUTION NMR
NUMMDL 7
AUTHOR G.LIPPENS,J.NAJIB,S.J.WODAK,A.TARTAR
REVDAT 2 24-FEB-09 1CHL 1 VERSN REVDAT 1 07-FEB-95 1CHL 0
JRNL AUTH G.LIPPENS,J.NAJIB,S.J.WODAK,A.TARTAR JRNL TITL NMR SEQUENTIAL ASSIGNMENTS AND SOLUTION STRUCTURE JRNL TITL 2 OF CHLOROTOXIN, A SMALL SCORPION TOXIN THAT BLOCKS JRNL TITL 3 CHLORIDE CHANNELS. JRNL REF BIOCHEMISTRY V. 34 13 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7819188 JRNL DOI 10.1021/BI00001A003
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.A.DEBIN,J.E.MAGGIO,G.R.STRICHARTZ REMARK 1 TITL PURIFICATION AND CHARACTERIZATION OF REMARK 1 TITL 2 CHLORAPHYLLIN, A CHLORIDE CHANNEL LIGAND FROM THE REMARK 1 TITL 3 VENOM OF THE SCORPION LEIURUS QUINQUESTRIATUS REMARK 1 TITL 4 QUINQUESTRIATUS REMARK 1 REF AM.J.PHYSIOL. V. 264 C361 1993 REMARK 1 REFN ISSN 0002-9513
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 1CHL COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : NULL REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NULL REMARK 210 SPECTROMETER FIELD STRENGTH : NULL REMARK 210 SPECTROMETER MODEL : NULL REMARK 210 SPECTROMETER MANUFACTURER : NULL REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : NULL REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 7 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL
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 MET A 3 155.45 -44.77 REMARK 500 1 PRO A 4 -162.59 -57.53 REMARK 500 1 PHE A 6 40.85 -150.85 REMARK 500 1 THR A 8 -160.91 49.91 REMARK 500 1 ASP A 9 -44.35 -157.00 REMARK 500 1 GLN A 11 58.06 -154.96 REMARK 500 1 PRO A 31 40.44 -97.80 REMARK 500 2 MET A 3 -172.30 -177.00 REMARK 500 2 THR A 8 171.98 67.30 REMARK 500 2 MET A 12 -58.30 -120.45 REMARK 500 2 ARG A 25 37.09 -148.65 REMARK 500 2 LYS A 27 -169.82 171.44 REMARK 500 2 GLN A 32 -159.39 -145.24 REMARK 500 3 CYS A 2 -120.02 -112.23 REMARK 500 3 MET A 3 -154.77 -102.52 REMARK 500 3 PRO A 4 -160.72 -109.07 REMARK 500 3 PHE A 6 -164.62 -112.43 REMARK 500 3 ASP A 9 160.75 72.22 REMARK 500 3 ARG A 25 38.36 -149.19 REMARK 500 3 PRO A 31 35.37 -87.39 REMARK 500 3 LEU A 34 -164.71 -122.90 REMARK 500 4 MET A 3 168.93 60.14 REMARK 500 4 CYS A 5 177.82 -50.53 REMARK 500 4 PHE A 6 -174.24 53.26 REMARK 500 4 THR A 8 175.66 178.15 REMARK 500 4 ASP A 9 75.39 -167.26 REMARK 500 4 HIS A 10 56.98 -159.89 REMARK 500 4 GLN A 11 65.25 76.28 REMARK 500 4 MET A 12 -56.55 -127.68 REMARK 500 4 LYS A 23 98.50 -44.25 REMARK 500 4 ARG A 25 40.39 -146.99 REMARK 500 4 LEU A 34 -161.30 -123.25 REMARK 500 5 MET A 3 163.78 56.61 REMARK 500 5 PRO A 4 -159.91 -109.98 REMARK 500 5 THR A 7 -132.10 37.98 REMARK 500 5 THR A 8 -94.33 48.87 REMARK 500 5 ASP A 9 73.69 73.62 REMARK 500 5 HIS A 10 -54.91 -139.56 REMARK 500 5 GLN A 11 14.70 -145.14 REMARK 500 5 LYS A 23 -83.84 67.98 REMARK 500 5 LYS A 27 -159.21 -151.68 REMARK 500 5 LEU A 34 -166.84 -113.67 REMARK 500 5 CYS A 35 -166.69 -117.25 REMARK 500 6 MET A 3 178.65 84.47 REMARK 500 6 PHE A 6 84.12 -151.64 REMARK 500 6 THR A 7 -78.13 -126.91 REMARK 500 6 HIS A 10 59.46 -153.76 REMARK 500 6 ARG A 25 39.96 -146.90 REMARK 500 7 CYS A 2 -65.95 -104.66 REMARK 500 7 PHE A 6 62.19 -156.80 REMARK 500 7 THR A 7 -69.81 -140.39 REMARK 500 7 HIS A 10 23.31 49.10 REMARK 500 7 GLN A 11 42.63 -169.81 REMARK 500 7 LYS A 27 143.20 -178.23 REMARK 500 7 CYS A 28 87.56 -59.11 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 14 0.31 SIDE_CHAIN REMARK 500 1 ARG A 25 0.25 SIDE_CHAIN REMARK 500 1 ARG A 36 0.32 SIDE_CHAIN REMARK 500 2 ARG A 14 0.29 SIDE_CHAIN REMARK 500 2 ARG A 25 0.18 SIDE_CHAIN REMARK 500 2 ARG A 36 0.30 SIDE_CHAIN REMARK 500 3 ARG A 14 0.32 SIDE_CHAIN REMARK 500 3 ARG A 25 0.23 SIDE_CHAIN REMARK 500 3 ARG A 36 0.23 SIDE_CHAIN REMARK 500 4 ARG A 14 0.22 SIDE_CHAIN REMARK 500 4 ARG A 25 0.25 SIDE_CHAIN REMARK 500 4 ARG A 36 0.11 SIDE_CHAIN REMARK 500 5 ARG A 14 0.18 SIDE_CHAIN REMARK 500 5 ARG A 25 0.30 SIDE_CHAIN REMARK 500 5 ARG A 36 0.16 SIDE_CHAIN REMARK 500 6 ARG A 14 0.29 SIDE_CHAIN REMARK 500 6 ARG A 25 0.30 SIDE_CHAIN REMARK 500 6 ARG A 36 0.21 SIDE_CHAIN REMARK 500 7 ARG A 14 0.31 SIDE_CHAIN REMARK 500 7 ARG A 25 0.20 SIDE_CHAIN REMARK 500 7 ARG A 36 0.26 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
DBREF 1CHL A 1 36 UNP P45639 SCXL_LEIQU 1 36
SEQRES 1 A 36 MET CYS MET PRO CYS PHE THR THR ASP HIS GLN MET ALA SEQRES 2 A 36 ARG LYS CYS ASP ASP CYS CYS GLY GLY LYS GLY ARG GLY SEQRES 3 A 36 LYS CYS TYR GLY PRO GLN CYS LEU CYS ARG
HELIX 1 H1 GLN A 11 GLY A 21 1 11
SHEET 1 S1 3 MET A 1 PRO A 4 0 SHEET 2 S1 3 GLN A 32 ARG A 36 -1 O CYS A 33 N CYS A 2 SHEET 3 S1 3 GLY A 26 TYR A 29 -1 O LYS A 27 N LEU A 34
SSBOND 1 CYS A 2 CYS A 19 1555 1555 2.02 SSBOND 2 CYS A 5 CYS A 28 1555 1555 2.02 SSBOND 3 CYS A 16 CYS A 33 1555 1555 2.02 SSBOND 4 CYS A 20 CYS A 35 1555 1555 2.02
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