HEADER TOXIN 06-FEB-01 1I25 TITLE THREE DIMENSIONAL SOLUTION STRUCTURE OF HUWENTOXIN-II BY 2D 1H-NMR COMPND MOL_ID: 1; COMPND 2 MOLECULE: HUWENTOXIN-II; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HWTX-II SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ORNITHOCTONUS HUWENA; SOURCE 3 ORGANISM_COMMON: CHINESE EARTH TIGER; SOURCE 4 ORGANISM_TAXID: 29017; SOURCE 5 ORGAN: VENOM GLAND; SOURCE 6 OTHER_DETAILS: VENOM KEYWDS NEUROTOXIN, INSECTICIDAL TOXIN, DISULFIDE BONDS, TOXIN EXPDTA SOLUTION NMR NUMMDL 10 AUTHOR Q.SHU,S.Y.LU,X.C.GU,S.P.LIANG REVDAT 4 29-NOV-17 1I25 1 REMARK HELIX REVDAT 3 24-FEB-09 1I25 1 VERSN REVDAT 2 05-APR-05 1I25 1 JRNL REVDAT 1 14-FEB-01 1I25 0 JRNL AUTH Q.SHU,S.Y.LU,X.C.GU,S.P.LIANG JRNL TITL THE STRUCTURE OF SPIDER TOXIN HUWENTOXIN-II WITH UNIQUE JRNL TITL 2 DISULFIDE LINKAGE: EVIDENCE FOR STRUCTURAL EVOLUTION. JRNL REF PROTEIN SCI. V. 11 245 2002 JRNL REFN ISSN 0961-8368 JRNL PMID 11790834 JRNL DOI 10.1110/PS.30502 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH Q.SHU,S.Y.LU,X.C.GU,S.P.LIANG REMARK 1 TITL SEQUENCE-SPECIFIC ASSIGNMENT OF 1H-NMR RESONANCE AND REMARK 1 TITL 2 DETERMINATION OF THE SECONDARY STRUCTURE OF HWTX-II REMARK 1 REF ACTA BIOCHIM.BIOPHYS.SINICA V. 33 65 2001 REMARK 1 REFN ISSN 0582-9879 REMARK 1 REFERENCE 2 REMARK 1 AUTH Q.SHU,R.H.HUANG,S.P.LIANG REMARK 1 TITL ASSIGNMENT OF DISULFIDE BONDS OF HUWENTOXIN-II BY EDMAN REMARK 1 TITL 2 DEGRADATION SEQUENCING AND STEPWISE THIOL MODIFICATION REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 1 REFERENCE 3 REMARK 1 AUTH Q.SHU,S.P.LIANG REMARK 1 TITL PURIFICATION AND CHARACTERIZATION OF HUWENTOXIN-II, A REMARK 1 TITL 2 NEUROTOXIC PEPTIDE FROM THE VENOM OF THE CHINESE BIRD SPIDER REMARK 1 TITL 3 SELENOCOSMIA HUWENA REMARK 1 REF J.PEPT.RES. V. 53 486 1999 REMARK 1 REFN ISSN 1397-002X REMARK 1 DOI 10.1034/J.1399-3011.1999.00039.X REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : FELIX 98.0, X-PLOR 3.851 REMARK 3 AUTHORS : MOLECULAR SIMULATIONS, INC. (FELIX), BRUNGER (X REMARK 3 -PLOR) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON 592 NOE REMARK 3 -DERIVED DISTANCE CONSTRAINTS, 16 DIHEDRAL ANGEL RESTRAINTS AND REMARK 3 9 FAKE DISTANCE RESTRAINTS FROM DISULFIDE BONDS. REMARK 4 REMARK 4 1I25 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-FEB-01. REMARK 100 THE DEPOSITION ID IS D_1000012808. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300; 290 REMARK 210 PH : 5.4; 5.4 REMARK 210 IONIC STRENGTH : 20; NULL REMARK 210 PRESSURE : 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 4 MM HUWENTOXIN-II; 20 MMOL/L REMARK 210 PHOSPHATE BUFFER; 90%H2O , 10% REMARK 210 D2O; 4 MM HUWENTOXIN-II; 20 MMOL/ REMARK 210 L PHOSPHATE BUFFER; 100%D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY; DQF-COSY; TOCSY; 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 : NULL REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 10 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 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 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 GLU A 11 42.56 -91.93 REMARK 500 1 LYS A 30 -148.07 -102.77 REMARK 500 1 ASN A 32 32.87 -142.27 REMARK 500 2 MET A 33 -166.36 -161.14 REMARK 500 3 GLU A 11 49.09 -89.48 REMARK 500 3 LYS A 30 -152.75 -88.39 REMARK 500 3 ASN A 32 36.54 -146.48 REMARK 500 4 LYS A 30 -155.86 -80.86 REMARK 500 5 PHE A 6 -45.54 -147.14 REMARK 500 5 GLU A 11 32.47 -92.52 REMARK 500 5 LYS A 30 -152.58 -92.95 REMARK 500 5 ASN A 32 30.95 -149.66 REMARK 500 6 GLU A 11 48.59 -103.29 REMARK 500 6 ASP A 15 46.17 -140.09 REMARK 500 6 LYS A 30 -153.19 -83.43 REMARK 500 6 ASN A 32 33.35 -152.47 REMARK 500 7 GLU A 11 40.07 -97.71 REMARK 500 7 LYS A 30 -147.54 -92.42 REMARK 500 7 ASN A 32 37.67 -143.11 REMARK 500 8 CYS A 23 -167.49 -101.83 REMARK 500 8 LYS A 30 -118.08 -92.37 REMARK 500 8 ASN A 32 39.26 -146.99 REMARK 500 9 LYS A 30 -147.97 -104.59 REMARK 500 9 ASN A 32 33.96 -148.97 REMARK 500 10 PHE A 2 -138.82 -89.98 REMARK 500 10 GLU A 11 37.02 -92.65 REMARK 500 10 GLU A 13 38.86 -98.31 REMARK 500 10 LYS A 30 -148.47 -106.62 REMARK 500 10 ASN A 32 39.08 -154.14 REMARK 500 REMARK 500 REMARK: NULL REMARK 750 REMARK 750 TURN REMARK 750 DETERMINATION METHOD: AUTHOR-DETERMINED DBREF 1I25 A 1 37 UNP P82959 TXH21_ORNHU 49 85 SEQRES 1 A 37 LEU PHE GLU CYS SER PHE SER CYS GLU ILE GLU LYS GLU SEQRES 2 A 37 GLY ASP LYS PRO CYS LYS LYS LYS LYS CYS LYS GLY GLY SEQRES 3 A 37 TRP LYS CYS LYS PHE ASN MET CYS VAL LYS VAL SHEET 1 A 2 TRP A 27 CYS A 29 0 SHEET 2 A 2 CYS A 34 LYS A 36 -1 O VAL A 35 N LYS A 28 SSBOND 1 CYS A 4 CYS A 18 1555 1555 2.02 SSBOND 2 CYS A 8 CYS A 29 1555 1555 2.02 SSBOND 3 CYS A 23 CYS A 34 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 MODEL 1 MODEL 2 MODEL 3 MODEL 4 MODEL 5 MODEL 6 MODEL 7 MODEL 8 MODEL 9 MODEL 10