HEADER TOXIN 14-MAR-07 2UVS TITLE HIGH RESOLUTION SOLID-STATE NMR STRUCTURE OF KALIOTOXIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL TOXIN ALPHA-KTX 3.1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: KALIOTOXIN, KALIOTOXIN-1, KTX-1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ANDROCTONUS MAURETANICUS; SOURCE 3 ORGANISM_COMMON: SCORPION; SOURCE 4 ORGANISM_TAXID: 6859; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TOXIN, IONIC CHANNEL INHIBITOR, POTASSIUM CHANNEL INHIBITOR, KEYWDS 2 AMIDATION, NEUROTOXIN EXPDTA SOLID-STATE NMR NUMMDL 20 AUTHOR J.KORUKOTTU,A.LANGE,V.VIJAYAN,R.SCHNEIDER,O.PONGS,S.BECKER,M.BALDUS, AUTHOR 2 M.ZWECKSTETTER REVDAT 3 15-JAN-20 2UVS 1 REMARK REVDAT 2 24-FEB-09 2UVS 1 VERSN REVDAT 1 27-MAY-08 2UVS 0 JRNL AUTH J.KORUKOTTU,A.LANGE,V.VIJAYAN,R.SCHNEIDER,O.PONGS,S.BECKER, JRNL AUTH 2 M.BALDUS,M.ZWECKSTETTER JRNL TITL CONFORMATIONAL PLASTICITY IN ION CHANNEL RECOGNITION OF A JRNL TITL 2 PEPTIDE TOXIN JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2UVS COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 14-MAR-07. REMARK 100 THE DEPOSITION ID IS D_1290031734. 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 : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL REMARK 217 REMARK 217 SOLID STATE NMR STUDY REMARK 217 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLID REMARK 217 STATE NMR DATA. PROTEIN DATA BANK CONVENTIONS REQUIRE THAT REMARK 217 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON REMARK 217 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: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 HB3 GLU A 3 HD2 HIS A 34 1.28 REMARK 500 REMARK 500 REMARK: NULL 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 PHE A 25 151.75 57.74 REMARK 500 1 ASN A 30 -35.78 -35.91 REMARK 500 1 ARG A 31 20.64 -155.50 REMARK 500 2 PHE A 25 147.68 56.03 REMARK 500 2 ASN A 30 95.41 -41.26 REMARK 500 3 PHE A 25 143.71 58.62 REMARK 500 3 ASN A 30 -87.78 41.24 REMARK 500 4 PHE A 25 154.65 56.19 REMARK 500 4 ASN A 30 -35.41 -34.22 REMARK 500 4 ARG A 31 17.59 -154.84 REMARK 500 5 PHE A 25 150.69 58.40 REMARK 500 5 ASN A 30 -36.03 -33.74 REMARK 500 5 ARG A 31 21.56 -157.21 REMARK 500 6 PHE A 25 154.81 56.54 REMARK 500 6 ASN A 30 -37.49 -34.20 REMARK 500 6 ARG A 31 19.59 -154.68 REMARK 500 7 PHE A 25 144.10 57.53 REMARK 500 7 ASN A 30 -36.08 -36.56 REMARK 500 7 ARG A 31 19.29 -154.67 REMARK 500 8 PHE A 25 155.49 55.99 REMARK 500 8 ASN A 30 -36.53 -34.02 REMARK 500 8 ARG A 31 20.72 -156.15 REMARK 500 9 PHE A 25 142.14 57.53 REMARK 500 9 ASN A 30 100.59 -47.44 REMARK 500 10 PHE A 25 144.85 58.05 REMARK 500 10 ASN A 30 97.87 -49.55 REMARK 500 11 PHE A 25 149.05 57.22 REMARK 500 11 ASN A 30 107.15 -41.70 REMARK 500 12 PHE A 25 142.12 60.17 REMARK 500 12 ASN A 30 -39.90 -32.39 REMARK 500 12 ARG A 31 18.14 -152.84 REMARK 500 13 PHE A 25 144.35 60.74 REMARK 500 13 ASN A 30 98.99 -49.90 REMARK 500 14 PHE A 25 152.56 56.46 REMARK 500 14 ASN A 30 95.76 -49.88 REMARK 500 15 PHE A 25 153.23 57.04 REMARK 500 15 ASN A 30 96.63 -51.32 REMARK 500 16 PHE A 25 137.43 58.24 REMARK 500 16 ASN A 30 97.50 -39.82 REMARK 500 17 PHE A 25 145.12 58.37 REMARK 500 17 ASN A 30 -87.36 41.15 REMARK 500 18 PHE A 25 149.37 57.35 REMARK 500 18 ASN A 30 99.09 -47.06 REMARK 500 19 PHE A 25 154.87 56.71 REMARK 500 19 ASN A 30 -36.81 -35.35 REMARK 500 19 ARG A 31 20.11 -155.32 REMARK 500 20 PHE A 25 154.08 55.87 REMARK 500 20 ASN A 30 -36.28 -35.09 REMARK 500 20 ARG A 31 20.07 -155.27 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KTX RELATED DB: PDB REMARK 900 KALIOTOXIN (KTX) (NMR, 11 STRUCTURES) REMARK 900 RELATED ID: 2KTX RELATED DB: PDB REMARK 900 COMPLETE KALIOTOXIN FROM ANDROCTONUS MAURETANICUS MAURETANICUS, NMR, REMARK 900 18 STRUCTURES REMARK 900 RELATED ID: 2UVT RELATED DB: PDB REMARK 900 HIGH RESOLUTION SOLID-STATE NMR STRUCTURE OF KALIOTOXIN BOUND TO REMARK 900 POTASSIUM CHANNEL REMARK 900 RELATED ID: 15226 RELATED DB: BMRB DBREF 2UVS A 1 38 UNP P24662 KAX31_ANDMA 1 38 SEQRES 1 A 38 GLY VAL GLU ILE ASN VAL LYS CYS SER GLY SER PRO GLN SEQRES 2 A 38 CYS LEU LYS PRO CYS LYS ASP ALA GLY MET ARG PHE GLY SEQRES 3 A 38 LYS CYS MET ASN ARG LYS CYS HIS CYS THR PRO LYS HELIX 1 1 SER A 9 ALA A 21 1 13 SHEET 1 AA 3 GLU A 3 ILE A 4 0 SHEET 2 AA 3 CYS A 33 THR A 36 -1 O CYS A 33 N ILE A 4 SHEET 3 AA 3 ARG A 24 CYS A 28 -1 O ARG A 24 N THR A 36 SSBOND 1 CYS A 8 CYS A 28 1555 1555 2.03 SSBOND 2 CYS A 14 CYS A 33 1555 1555 2.04 SSBOND 3 CYS A 18 CYS A 35 1555 1555 2.04 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