HEADER TOXIN 18-JUN-08 2K4U TITLE SOLUTION STRUCTURE OF THE SCORPION TOXIN ADWX-1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL TOXIN ALPHA-KTX 3.6; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: ADWX-1, KALIOTOXIN, BMKTX; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESOBUTHUS MARTENSII; SOURCE 3 ORGANISM_COMMON: CHINESE SCORPION; SOURCE 4 ORGANISM_TAXID: 34649; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: ROSETTA (DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: VECTOR; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PGEX-6P-1 KEYWDS KV1.1 CHANNEL, KV1.3 CHANNEL, CHANNEL TURRET, ADWX-1 PEPTIDE KEYWDS 2 SELECTIVITY, STRUCTURAL BASIS, AMIDATION, IONIC CHANNEL INHIBITOR, KEYWDS 3 NEUROTOXIN, POTASSIUM CHANNEL INHIBITOR, SECRETED, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR S.J.YIN,L.JIANG,H.YI,S.HAN,D.W.YANG,M.L.LIU,H.LIU,Z.J.CAO,Y.L.WU, AUTHOR 2 W.X.LI REVDAT 3 13-NOV-24 2K4U 1 REMARK REVDAT 2 10-NOV-21 2K4U 1 REMARK SEQADV REVDAT 1 09-DEC-08 2K4U 0 JRNL AUTH S.J.YIN,L.JIANG,H.YI,S.HAN,D.W.YANG,M.L.LIU,H.LIU,Z.J.CAO, JRNL AUTH 2 Y.L.WU,W.X.LI JRNL TITL DIFFERENT RESIDUES IN CHANNEL TURRET DETERMINING THE JRNL TITL 2 SELECTIVITY OF ADWX-1 INHIBITOR PEPTIDE BETWEEN KV1.1 AND JRNL TITL 3 KV1.3 CHANNELS JRNL REF J.PROTEOME RES. V. 7 4890 2008 JRNL REFN ISSN 1535-3893 JRNL PMID 18937510 JRNL DOI 10.1021/PR800494A REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA 2.1 REMARK 3 AUTHORS : P. GUNTERT, ET AL. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 2,500 STEPS ENERGY MINIMIZATION WITH REMARK 3 AMBER FORCE FIELD REMARK 4 REMARK 4 2K4U COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 23-JUN-08. REMARK 100 THE DEPOSITION ID IS D_1000100677. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 4.5 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM PROTEIN, 25MM SODIUM REMARK 210 PHOSPHATE, 0.05% SODIUM AZIDE, REMARK 210 90% H2O/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY; TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA 2.1 REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION 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 HIS A 9 -77.35 -147.58 REMARK 500 1 SER A 10 -56.71 -179.65 REMARK 500 1 ARG A 23 -63.89 -97.66 REMARK 500 1 ASN A 29 28.44 49.88 REMARK 500 2 HIS A 9 -81.58 -147.91 REMARK 500 2 SER A 10 -52.96 -173.39 REMARK 500 3 HIS A 9 -79.88 -145.07 REMARK 500 3 SER A 10 -54.36 -178.95 REMARK 500 4 HIS A 9 -77.48 -146.47 REMARK 500 4 SER A 10 -46.25 -178.62 REMARK 500 5 HIS A 9 -75.72 -148.06 REMARK 500 5 SER A 10 -56.29 -177.21 REMARK 500 6 HIS A 9 -78.23 -146.28 REMARK 500 6 SER A 10 -46.30 179.03 REMARK 500 6 ARG A 23 -64.52 -90.02 REMARK 500 7 HIS A 9 -77.03 -145.23 REMARK 500 7 SER A 10 -55.57 -174.71 REMARK 500 7 ARG A 23 -70.26 -81.83 REMARK 500 8 HIS A 9 -77.67 -144.71 REMARK 500 8 SER A 10 -53.02 178.46 REMARK 500 8 ARG A 23 -67.96 -91.32 REMARK 500 9 HIS A 9 -77.42 -141.87 REMARK 500 9 SER A 10 -52.16 -179.72 REMARK 500 9 ARG A 23 -50.20 -120.60 REMARK 500 10 HIS A 9 -77.27 -147.55 REMARK 500 10 SER A 10 -52.77 -178.41 REMARK 500 10 ARG A 23 -64.06 -107.76 REMARK 500 11 HIS A 9 -81.75 -146.89 REMARK 500 11 SER A 10 -48.84 -172.85 REMARK 500 11 ARG A 23 -68.97 -90.37 REMARK 500 12 HIS A 9 -84.56 -145.06 REMARK 500 12 SER A 10 -47.95 -170.28 REMARK 500 12 ARG A 23 -70.21 -90.18 REMARK 500 13 HIS A 9 -77.27 -147.41 REMARK 500 13 SER A 10 -52.56 -179.88 REMARK 500 13 ARG A 23 -68.29 -97.47 REMARK 500 14 HIS A 9 -75.24 -149.23 REMARK 500 14 SER A 10 -53.97 -179.04 REMARK 500 14 ARG A 23 -72.25 -88.61 REMARK 500 15 HIS A 9 -75.62 -147.04 REMARK 500 15 SER A 10 -52.03 175.87 REMARK 500 15 ARG A 23 -74.46 -89.62 REMARK 500 16 HIS A 9 -79.80 -146.99 REMARK 500 16 SER A 10 -52.97 -179.12 REMARK 500 17 HIS A 9 -74.28 -147.31 REMARK 500 17 SER A 10 -46.01 175.48 REMARK 500 17 ARG A 23 -63.55 -106.81 REMARK 500 18 HIS A 9 -75.61 -147.70 REMARK 500 18 SER A 10 -52.75 176.20 REMARK 500 18 ARG A 23 -74.45 -90.37 REMARK 500 REMARK 500 THIS ENTRY HAS 56 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL DBREF 2K4U A 1 37 UNP Q9NII7 KAX36_MESMA 23 59 SEQADV 2K4U ARG A 11 UNP Q9NII7 GLY 33 ENGINEERED MUTATION SEQADV 2K4U THR A 28 UNP Q9NII7 ILE 50 ENGINEERED MUTATION SEQADV 2K4U HIS A 33 UNP Q9NII7 ASP 55 ENGINEERED MUTATION SEQRES 1 A 37 VAL GLY ILE ASN VAL LYS CYS LYS HIS SER ARG GLN CYS SEQRES 2 A 37 LEU LYS PRO CYS LYS ASP ALA GLY MET ARG PHE GLY LYS SEQRES 3 A 37 CYS THR ASN GLY LYS CYS HIS CYS THR PRO LYS HELIX 1 1 SER A 10 GLY A 21 1 12 SHEET 1 A 2 PHE A 24 THR A 28 0 SHEET 2 A 2 LYS A 31 THR A 35 -1 O LYS A 31 N THR A 28 SSBOND 1 CYS A 7 CYS A 27 1555 1555 2.03 SSBOND 2 CYS A 13 CYS A 32 1555 1555 2.04 SSBOND 3 CYS A 17 CYS A 34 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 MODEL 1