HEADER TOXIN 12-MAY-16 2NDD TITLE STRUCTURE-ACTIVITY RELATIONSHIP OF PEPTIDE TOXIN HELATX1: A NEW KAPPA- TITLE 2 KTX SUBFAMILY AFFECTING K+ CHANNEL COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL TOXIN KAPPA-KTX 5.1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: HELATX1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: HETEROMETRUS LAOTICUS; SOURCE 4 ORGANISM_COMMON: THAI GIANT SCORPION; SOURCE 5 ORGANISM_TAXID: 217256 KEYWDS NEUROTOXIN, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR B.G.PARK,J.I.KIM,J.H.RYU REVDAT 2 14-JUN-23 2NDD 1 REMARK SEQADV LINK REVDAT 1 31-MAY-17 2NDD 0 JRNL AUTH B.G.PARK,J.I.KIM,J.H.RYU JRNL TITL STRUCTURE-ACTIVITY RELATIONSHIP OF PEPTIDE TOXIN HELATX1: A JRNL TITL 2 NEW KAPPA-KTX SUBFAMILY AFFECTING K+ CHANNEL JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA, X-PLOR-NIH REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH (CYANA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2NDD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 20-MAY-16. REMARK 100 THE DEPOSITION ID IS D_1000104723. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 288 REMARK 210 PH : 4.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 90 % V/V H2O-1, 10 % V/V [U-100% REMARK 210 2H] D2O-2, 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H TOCSY; 2D 1H-1H COSY; REMARK 210 2D 1H-1H NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 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: 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 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 CYS A 2 -27.96 -155.21 REMARK 500 1 CYS A 6 -40.12 -146.64 REMARK 500 1 THR A 12 -23.07 -168.47 REMARK 500 2 CYS A 2 -12.99 -144.59 REMARK 500 2 LYS A 4 -16.71 73.34 REMARK 500 2 THR A 12 -23.84 -160.25 REMARK 500 3 CYS A 2 -21.21 -158.28 REMARK 500 3 CYS A 6 -27.76 -151.55 REMARK 500 3 SER A 7 155.53 -41.66 REMARK 500 3 ARG A 10 -12.52 -165.75 REMARK 500 3 THR A 12 -29.27 -147.41 REMARK 500 4 CYS A 2 -19.36 -158.62 REMARK 500 4 GLU A 5 -141.87 -105.64 REMARK 500 4 CYS A 6 20.51 43.99 REMARK 500 4 THR A 12 -26.65 -161.96 REMARK 500 5 CYS A 2 -25.99 -155.17 REMARK 500 5 CYS A 6 -37.69 -133.53 REMARK 500 5 SER A 7 173.40 -52.86 REMARK 500 5 SER A 9 -42.48 -151.15 REMARK 500 5 THR A 12 -22.17 -168.01 REMARK 500 6 CYS A 2 -36.85 -134.58 REMARK 500 6 SER A 9 -64.07 -129.15 REMARK 500 6 THR A 12 -25.96 -167.82 REMARK 500 7 CYS A 2 -4.51 -157.22 REMARK 500 7 LYS A 4 -8.27 71.93 REMARK 500 7 THR A 12 -29.36 -152.70 REMARK 500 7 LYS A 13 5.44 -64.27 REMARK 500 8 CYS A 2 -1.31 -154.07 REMARK 500 8 LYS A 3 -70.70 -101.93 REMARK 500 8 SER A 7 146.74 -39.96 REMARK 500 8 ARG A 10 10.86 50.89 REMARK 500 8 THR A 12 -27.80 -164.91 REMARK 500 9 CYS A 2 -53.84 -151.11 REMARK 500 9 LYS A 3 -83.23 -56.00 REMARK 500 9 SER A 7 160.48 -42.81 REMARK 500 9 SER A 9 -60.43 -128.26 REMARK 500 9 THR A 12 -33.83 -148.25 REMARK 500 10 CYS A 2 -11.36 -157.47 REMARK 500 10 LYS A 3 -60.68 -90.52 REMARK 500 10 CYS A 6 -30.59 -141.97 REMARK 500 10 THR A 12 -28.34 -155.36 REMARK 500 11 CYS A 2 -39.49 -147.61 REMARK 500 11 LYS A 3 -96.76 -45.97 REMARK 500 11 GLU A 5 79.24 -107.19 REMARK 500 11 CYS A 6 -37.24 -172.74 REMARK 500 11 SER A 9 -61.73 170.61 REMARK 500 11 THR A 12 -23.78 -143.44 REMARK 500 12 CYS A 2 -38.92 -158.78 REMARK 500 12 LYS A 3 -108.89 -63.32 REMARK 500 12 THR A 12 -31.98 -143.08 REMARK 500 REMARK 500 THIS ENTRY HAS 99 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 26056 RELATED DB: BMRB DBREF 2NDD A 1 25 UNP P0DJ41 KKX51_HETLA 46 70 SEQADV 2NDD NH2 A 26 UNP P0DJ41 AMIDATION SEQRES 1 A 26 SER CYS LYS LYS GLU CYS SER GLY SER ARG ARG THR LYS SEQRES 2 A 26 LYS CYS MET GLN LYS CYS ASN ARG GLU HIS GLY HIS NH2 HET NH2 A 26 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 THR A 12 HIS A 23 1 12 SSBOND 1 CYS A 2 CYS A 19 1555 1555 2.02 SSBOND 2 CYS A 6 CYS A 15 1555 1555 2.02 LINK C HIS A 25 N NH2 A 26 1555 1555 1.31 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