10 20 30 40 50 60 70 80 1C49 - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 17-AUG-99 1C49
TITLE STRUCTURAL AND FUNCTIONAL DIFFERENCES OF TWO TOXINS FROM TITLE 2 THE SCORPION PANDINUS IMPERATOR
COMPND MOL_ID: 1; COMPND 2 MOLECULE: TOXIN K-BETA; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: COMPLETE PEPTIDE; COMPND 5 SYNONYM: PITX-KB, ALPHA-KTX5.2; COMPND 6 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PANDINUS IMPERATOR; SOURCE 3 ORGANISM_COMMON: EMPEROR SCORPION; SOURCE 4 ORGANISM_TAXID: 55084; SOURCE 5 TISSUE: VENOM; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PSR9
KEYWDS SCORPION TOXIN, POTASSIUM CHANNELS BLOCKERS, ALPHA-K TOXIN KEYWDS 2 FAMILY, NEUROTOXIN, NMR SOLUTION STRUCTURE
EXPDTA SOLUTION NMR
NUMMDL 18
AUTHOR K.C.KLENK,T.C.TENENHOLZ,D.R.MATTESON,R.S.ROGOWSKI, AUTHOR 2 M.P.BLAUSTEIN,D.J.WEBER
REVDAT 2 24-FEB-09 1C49 1 VERSN REVDAT 1 22-MAR-00 1C49 0
JRNL AUTH K.C.KLENK,T.C.TENENHOLZ,D.R.MATTESON,R.S.ROGOWSKI, JRNL AUTH 2 M.P.BLAUSTEIN,D.J.WEBER JRNL TITL STRUCTURAL AND FUNCTIONAL DIFFERENCES OF TWO JRNL TITL 2 TOXINS FROM THE SCORPION PANDINUS IMPERATOR. JRNL REF PROTEINS V. 38 441 2000 JRNL REFN ISSN 0887-3585 JRNL PMID 10707030 JRNL DOI 10.1002/(SICI)1097-0134(20000301)38:4<441::AID-PROT JRNL DOI 2 9>3.3.CO;2-C
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.S.ROGOWSKI,J.H.COLLINS,T.J.O'NEILL,T.A.GUSTAFSON, REMARK 1 AUTH 2 T.R.WERKMAN,M.A.ROGAWSKI,T.C.TENENHOLZ,D.J.WEBER, REMARK 1 AUTH 3 M.P.BLAUSTEIN REMARK 1 TITL THREE NEW TOXINS FROM THE SCORPION PANDINUS REMARK 1 TITL 2 IMPERATOR SELECTIVELY BLOCK CERTAIN VOLTAGE-GATED REMARK 1 TITL 3 K+ CHANNELS REMARK 1 REF MOL.PHARMACOL. V. 50 1167 1996 REMARK 1 REFN ISSN 0026-895X
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 425 NOE DISTANCE CONSTRAINTS, 22 H- REMARK 3 BOND CONSTRAINTS, 11 CHI ANGLE CONSTRAINTS, 26 PHI ANGLE REMARK 3 CONSTRAINTS
REMARK 4 REMARK 4 1C49 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 17-AUG-99. REMARK 100 THE RCSB ID CODE IS RCSB001286.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 310.00 REMARK 210 PH : 3.50 REMARK 210 IONIC STRENGTH : 1.44 MM REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 10% D2O AND 100%D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY, TOCSY, DQF-COSY, REMARK 210 ROESY, P.E.COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : DMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : X-PLOR 3.1 REMARK 210 METHOD USED : DISTANCE GEOMETRY SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 500 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 18 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING TWO-DIMENSIONAL NMR REMARK 210 ON AN UNLABELED SAMPLE OF RECOMBINANT PITX-KB (M).
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 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 ILE A 5 -163.67 -55.95 REMARK 500 1 THR A 8 -59.40 -131.49 REMARK 500 2 THR A 21 -45.26 -136.01 REMARK 500 2 ASN A 25 107.97 -41.46 REMARK 500 2 MET A 29 -165.15 -115.09 REMARK 500 2 ASN A 30 90.68 -52.21 REMARK 500 2 PHE A 36 46.33 -155.71 REMARK 500 3 ASN A 25 103.25 -54.37 REMARK 500 4 THR A 8 -37.81 -130.36 REMARK 500 5 THR A 8 -39.92 -138.66 REMARK 500 5 THR A 21 -40.17 -146.07 REMARK 500 5 ASN A 25 109.28 -45.48 REMARK 500 5 CYS A 33 152.58 -43.48 REMARK 500 6 ILE A 5 -163.00 -58.19 REMARK 500 6 ASN A 25 91.42 -52.21 REMARK 500 6 ASN A 30 70.93 45.89 REMARK 500 6 ARG A 31 40.17 38.98 REMARK 500 6 PHE A 36 -36.77 -156.04 REMARK 500 7 THR A 21 -36.34 -139.53 REMARK 500 7 ASN A 30 93.90 -50.22 REMARK 500 8 ILE A 5 -154.27 -64.87 REMARK 500 8 SER A 6 98.86 -169.12 REMARK 500 8 THR A 8 -50.59 -133.12 REMARK 500 8 ASN A 25 94.03 -39.65 REMARK 500 8 ASN A 30 98.10 -59.92 REMARK 500 8 PHE A 36 -81.30 -149.24 REMARK 500 9 PHE A 36 57.83 -151.72 REMARK 500 10 ILE A 5 -168.82 -67.00 REMARK 500 10 THR A 8 -47.47 -140.24 REMARK 500 10 ASN A 30 56.24 38.24 REMARK 500 11 ILE A 5 -169.01 -62.69 REMARK 500 11 THR A 21 -51.66 -150.07 REMARK 500 11 ASN A 25 91.00 -61.41 REMARK 500 11 ARG A 31 29.77 43.60 REMARK 500 11 PHE A 36 -70.31 -81.06 REMARK 500 12 SER A 6 44.37 -106.04 REMARK 500 12 THR A 8 14.43 -140.36 REMARK 500 12 THR A 21 -60.85 -143.60 REMARK 500 13 ILE A 5 -154.01 -72.28 REMARK 500 13 SER A 6 106.64 177.90 REMARK 500 13 PRO A 24 42.56 -80.58 REMARK 500 14 THR A 8 12.83 -140.93 REMARK 500 14 ASN A 25 90.25 -62.41 REMARK 500 15 ILE A 5 -174.98 -69.36 REMARK 500 15 THR A 21 -59.21 -148.40 REMARK 500 16 THR A 21 -70.70 -148.04 REMARK 500 16 MET A 29 -165.41 -100.50 REMARK 500 16 ASN A 30 88.97 -50.41 REMARK 500 17 ILE A 5 -156.93 -61.08 REMARK 500 17 THR A 8 -50.60 -138.96 REMARK 500 17 ASN A 25 103.76 -46.16 REMARK 500 17 ASN A 30 55.04 39.11 REMARK 500 18 THR A 8 -40.70 -143.51 REMARK 500 18 THR A 21 -39.48 -133.41 REMARK 500 18 ASN A 25 99.22 -45.51 REMARK 500 18 PHE A 36 62.59 -161.51 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 31 0.12 SIDE_CHAIN REMARK 500 1 ARG A 38 0.26 SIDE_CHAIN REMARK 500 2 ARG A 31 0.26 SIDE_CHAIN REMARK 500 2 ARG A 38 0.27 SIDE_CHAIN REMARK 500 3 ARG A 31 0.26 SIDE_CHAIN REMARK 500 3 ARG A 38 0.30 SIDE_CHAIN REMARK 500 4 ARG A 31 0.17 SIDE_CHAIN REMARK 500 4 ARG A 38 0.21 SIDE_CHAIN REMARK 500 5 ARG A 31 0.31 SIDE_CHAIN REMARK 500 5 ARG A 38 0.23 SIDE_CHAIN REMARK 500 6 ARG A 31 0.24 SIDE_CHAIN REMARK 500 6 ARG A 38 0.32 SIDE_CHAIN REMARK 500 7 ARG A 31 0.18 SIDE_CHAIN REMARK 500 7 ARG A 38 0.32 SIDE_CHAIN REMARK 500 8 ARG A 31 0.24 SIDE_CHAIN REMARK 500 8 ARG A 38 0.31 SIDE_CHAIN REMARK 500 9 ARG A 31 0.28 SIDE_CHAIN REMARK 500 9 ARG A 38 0.10 SIDE_CHAIN REMARK 500 10 ARG A 31 0.21 SIDE_CHAIN REMARK 500 10 ARG A 38 0.20 SIDE_CHAIN REMARK 500 11 ARG A 31 0.32 SIDE_CHAIN REMARK 500 11 ARG A 38 0.21 SIDE_CHAIN REMARK 500 12 ARG A 31 0.27 SIDE_CHAIN REMARK 500 12 ARG A 38 0.23 SIDE_CHAIN REMARK 500 13 ARG A 31 0.24 SIDE_CHAIN REMARK 500 13 ARG A 38 0.24 SIDE_CHAIN REMARK 500 14 ARG A 31 0.28 SIDE_CHAIN REMARK 500 14 ARG A 38 0.17 SIDE_CHAIN REMARK 500 15 ARG A 31 0.32 SIDE_CHAIN REMARK 500 15 ARG A 38 0.09 SIDE_CHAIN REMARK 500 16 ARG A 31 0.22 SIDE_CHAIN REMARK 500 17 ARG A 31 0.20 SIDE_CHAIN REMARK 500 17 ARG A 38 0.32 SIDE_CHAIN REMARK 500 18 ARG A 31 0.29 SIDE_CHAIN REMARK 500 18 ARG A 38 0.32 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
DBREF 1C49 A 4 38 UNP P55928 SCKB_PANIM 1 35
SEQRES 1 A 35 THR ILE SER CYS THR ASN GLU LYS GLN CYS TYR PRO HIS SEQRES 2 A 35 CYS LYS LYS GLU THR GLY TYR PRO ASN ALA LYS CYS MET SEQRES 3 A 35 ASN ARG LYS CYS LYS CYS PHE GLY ARG
HELIX 1 1 ASN A 9 GLN A 12 5 4 HELIX 2 2 CYS A 13 THR A 21 1 9
SHEET 1 A 2 ALA A 26 MET A 29 0 SHEET 2 A 2 LYS A 32 CYS A 35 -1 O LYS A 32 N MET A 29
SSBOND 1 CYS A 7 CYS A 28 1555 1555 2.02 SSBOND 2 CYS A 17 CYS A 35 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