HEADER TOXIN 24-FEB-14 2MLD TITLE SOLUTION STRUCTURE OF BMKTX-D19K/K6D COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL TOXIN ALPHA-KTX 3.6; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 23-59; COMPND 5 SYNONYM: BMKTX, KALIOTOXIN; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESOBUTHUS MARTENSII; SOURCE 3 ORGANISM_COMMON: MANCHURIAN SCORPION; SOURCE 4 ORGANISM_TAXID: 34649; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR: PGEX-6P-1 KEYWDS TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR J.HONG,D.LIN,Z.CHEN,Y.WU REVDAT 2 09-OCT-24 2MLD 1 REMARK SEQADV REVDAT 1 25-FEB-15 2MLD 0 JRNL AUTH J.HONG,D.LIN,Z.CHEN,Y.WU JRNL TITL SOLUTION STRUCTURE OF BMKTX-D19K JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : ARIA, CNS REMARK 3 AUTHORS : LINGE, O'DONOGHUE AND NILGES (ARIA), REMARK 3 BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-KUNSTLEVE,JIANG,KUSZEWSKI, REMARK 3 NILGES, PANNU,READ,RICE,SIMONSON,WARREN (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2MLD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-FEB-14. REMARK 100 THE DEPOSITION ID IS D_1000103754. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 4.5 REMARK 210 IONIC STRENGTH : 0.025 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2 MM ENTITY-1, 10 % [U-99% 2H] REMARK 210 D2O-2, 90 % H2O-3, 25 MM REMARK 210 POTASSIUM PHOSPHATE-4, 90% H2O/ REMARK 210 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 : AMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CNS, SPARKY, PROCHECKNMR REMARK 210 METHOD USED : DGSA-DISTANCE GEOMETRY SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 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: 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 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 ASN A 4 70.48 -101.32 REMARK 500 1 PHE A 24 -153.15 -112.48 REMARK 500 1 ILE A 28 -112.52 -122.89 REMARK 500 1 ASN A 29 46.73 -92.22 REMARK 500 2 ARG A 23 -60.69 -93.21 REMARK 500 2 PRO A 36 -157.98 -84.40 REMARK 500 3 ARG A 23 -63.58 -103.80 REMARK 500 4 ARG A 23 -74.09 -91.76 REMARK 500 4 ASN A 29 53.10 -67.20 REMARK 500 4 PRO A 36 -159.83 -79.90 REMARK 500 5 ASN A 29 65.88 -58.48 REMARK 500 5 PRO A 36 -156.76 -83.92 REMARK 500 6 ARG A 23 -61.44 -96.37 REMARK 500 6 PHE A 24 -158.11 -108.06 REMARK 500 6 PRO A 36 -154.09 -84.03 REMARK 500 7 ARG A 23 -62.48 -93.61 REMARK 500 7 ASN A 29 56.23 -64.67 REMARK 500 7 PRO A 36 -163.24 -79.72 REMARK 500 8 PHE A 24 -157.29 -110.19 REMARK 500 8 PRO A 36 -159.70 -81.21 REMARK 500 9 ARG A 23 -66.34 -97.75 REMARK 500 10 ARG A 23 -63.59 -91.67 REMARK 500 10 PRO A 36 -158.44 -80.00 REMARK 500 11 ARG A 23 -71.73 -83.61 REMARK 500 11 ASN A 29 63.85 -59.52 REMARK 500 12 PHE A 24 -161.44 -105.88 REMARK 500 13 ASN A 4 -87.20 -87.68 REMARK 500 13 VAL A 5 -172.28 50.78 REMARK 500 13 ASN A 29 44.87 -65.19 REMARK 500 13 PRO A 36 -159.27 -85.64 REMARK 500 14 ILE A 28 -122.43 -120.07 REMARK 500 14 ASN A 29 49.55 -91.37 REMARK 500 14 PRO A 36 -157.90 -82.07 REMARK 500 15 ARG A 23 -75.50 -99.93 REMARK 500 15 ILE A 28 -119.24 -118.36 REMARK 500 15 ASN A 29 45.77 -90.77 REMARK 500 15 PRO A 36 -159.88 -78.51 REMARK 500 16 PHE A 24 -153.83 -105.02 REMARK 500 16 ILE A 28 -115.15 -105.41 REMARK 500 16 ASN A 29 43.23 -90.99 REMARK 500 17 PHE A 24 -159.26 -107.25 REMARK 500 17 ILE A 28 -92.83 -95.78 REMARK 500 17 ASN A 29 45.06 -93.36 REMARK 500 18 ARG A 23 -61.43 -94.29 REMARK 500 18 ILE A 28 -110.29 -90.06 REMARK 500 18 ASN A 29 47.11 -92.53 REMARK 500 18 PRO A 36 -159.64 -82.51 REMARK 500 19 HIS A 9 158.15 178.41 REMARK 500 19 ARG A 23 -79.10 -92.77 REMARK 500 20 PHE A 24 -159.21 -105.50 REMARK 500 REMARK 500 THIS ENTRY HAS 51 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 19813 RELATED DB: BMRB DBREF 2MLD A 1 37 UNP Q9NII7 KAX36_MESMA 23 59 SEQADV 2MLD ASP A 6 UNP Q9NII7 LYS 28 ENGINEERED MUTATION SEQADV 2MLD LYS A 19 UNP Q9NII7 ASP 41 ENGINEERED MUTATION SEQRES 1 A 37 VAL GLY ILE ASN VAL ASP CYS LYS HIS SER GLY GLN CYS SEQRES 2 A 37 LEU LYS PRO CYS LYS LYS ALA GLY MET ARG PHE GLY LYS SEQRES 3 A 37 CYS ILE ASN GLY LYS CYS ASP CYS THR PRO LYS HELIX 1 1 HIS A 9 GLN A 12 5 4 HELIX 2 2 CYS A 13 GLY A 21 1 9 SHEET 1 A 2 LYS A 26 CYS A 27 0 SHEET 2 A 2 CYS A 32 ASP A 33 -1 O ASP A 33 N LYS A 26 SSBOND 1 CYS A 7 CYS A 27 1555 1555 2.03 SSBOND 2 CYS A 13 CYS A 32 1555 1555 2.03 SSBOND 3 CYS A 17 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