HEADER NEUROTOXIN 05-FEB-97 1TSK TITLE SCORPION TOXIN (TS KAPPA) FROM TITYUS SERRULATUS ACTIVE ON SMALL TITLE 2 CONDUCTANCE POTASSIUM CHANNEL, NMR, 30 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: TS KAPA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: TITYUS SERRULATUS; SOURCE 3 ORGANISM_COMMON: BRAZILIAN SCORPION; SOURCE 4 ORGANISM_TAXID: 6887 KEYWDS SCORPION, TOXIN, TITYUS SERRULATUS, POTASSIUM CHANNEL, TS KAPA, KEYWDS 2 NEUROTOXIN EXPDTA SOLUTION NMR NUMMDL 30 AUTHOR E.BLANC,H.DARBON REVDAT 3 02-MAR-22 1TSK 1 REMARK REVDAT 2 24-FEB-09 1TSK 1 VERSN REVDAT 1 12-AUG-97 1TSK 0 JRNL AUTH E.BLANC,C.LECOMTE,J.V.RIETSCHOTEN,J.M.SABATIER,H.DARBON JRNL TITL SOLUTION STRUCTURE OF TSKAPA, A CHARYBDOTOXIN-LIKE SCORPION JRNL TITL 2 TOXIN FROM TITYUS SERRULATUS WITH HIGH AFFINITY FOR JRNL TITL 3 APAMIN-SENSITIVE CA(2+)-ACTIVATED K+ CHANNELS. JRNL REF PROTEINS V. 29 359 1997 JRNL REFN ISSN 0887-3585 JRNL PMID 9365990 JRNL DOI 10.1002/(SICI)1097-0134(199711)29:3<359::AID-PROT9>3.3.CO;2- JRNL DOI 2 V 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: THE STRUCTURES WERE CALCULATED WITH THE REMARK 3 DISTANCE GEOMETRY SOFTWARE DIANA-2.8 AND THEN MINIMIZED USING REMARK 3 THE POWELL ALGORITHM OF THE X-PLOR SOFTWARE. REMARK 4 REMARK 4 1TSK COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000176833. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 283 REMARK 210 PH : 3 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : COSY; TOCSY; NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : DRX500 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DIANA, X-PLOR REMARK 210 METHOD USED : DISTANCE GEOMETRY AND ENERGY REMARK 210 MINIMIZATION REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 30 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 30 REMARK 210 CONFORMERS, SELECTION CRITERIA : OVERALL ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL 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: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 6 CYS A 28 CA - CB - SG ANGL. DEV. = 7.2 DEGREES REMARK 500 11 CYS A 17 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 12 CYS A 17 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 14 CYS A 28 CA - CB - SG ANGL. DEV. = 7.0 DEGREES REMARK 500 17 CYS A 28 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 19 CYS A 28 CA - CB - SG ANGL. DEV. = 7.1 DEGREES REMARK 500 23 TYR A 14 CB - CG - CD2 ANGL. DEV. = -4.0 DEGREES REMARK 500 24 CYS A 35 CA - CB - SG ANGL. DEV. = 6.8 DEGREES 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 ARG A 6 147.19 -38.94 REMARK 500 1 TYR A 8 -58.68 -123.11 REMARK 500 1 PRO A 11 -86.51 -62.18 REMARK 500 1 ASP A 12 36.89 34.16 REMARK 500 1 CYS A 13 -27.18 -170.05 REMARK 500 2 ARG A 6 144.50 -38.94 REMARK 500 2 TYR A 8 -61.90 -120.81 REMARK 500 2 SER A 10 -49.64 -26.57 REMARK 500 2 PRO A 11 -83.16 -88.86 REMARK 500 2 ASP A 12 32.43 37.10 REMARK 500 2 CYS A 13 -26.17 -164.60 REMARK 500 3 GLN A 5 90.50 -28.37 REMARK 500 3 ARG A 6 146.88 -39.94 REMARK 500 3 PRO A 11 -95.05 -70.19 REMARK 500 3 ASP A 12 32.82 39.99 REMARK 500 3 CYS A 13 -25.13 -167.59 REMARK 500 4 GLN A 5 90.61 -20.96 REMARK 500 4 ARG A 6 142.30 -39.79 REMARK 500 4 SER A 10 -54.59 -29.85 REMARK 500 4 PRO A 11 -104.96 -67.78 REMARK 500 4 ASP A 12 30.54 39.34 REMARK 500 4 CYS A 13 -15.29 -168.15 REMARK 500 5 GLN A 5 90.08 -22.64 REMARK 500 5 ARG A 6 143.16 -39.82 REMARK 500 5 SER A 10 -54.98 -28.55 REMARK 500 5 PRO A 11 -100.60 -73.74 REMARK 500 5 ASP A 12 28.63 41.86 REMARK 500 5 CYS A 13 -21.91 -164.58 REMARK 500 6 ARG A 6 147.74 -39.11 REMARK 500 6 TYR A 8 -55.95 -120.23 REMARK 500 6 SER A 10 -56.01 -22.00 REMARK 500 6 PRO A 11 -94.17 -69.19 REMARK 500 6 ASP A 12 28.19 42.52 REMARK 500 6 CYS A 13 -26.99 -164.47 REMARK 500 7 GLN A 5 85.62 -16.13 REMARK 500 7 PRO A 11 -95.71 -62.15 REMARK 500 7 ASP A 12 32.34 37.91 REMARK 500 7 CYS A 13 -24.94 -165.41 REMARK 500 8 GLN A 5 92.31 -22.76 REMARK 500 8 ARG A 6 151.01 -40.11 REMARK 500 8 TYR A 8 -54.80 -122.08 REMARK 500 8 SER A 10 -55.78 -25.20 REMARK 500 8 PRO A 11 -93.72 -69.04 REMARK 500 8 CYS A 13 -26.22 -165.96 REMARK 500 9 GLN A 5 87.61 -13.64 REMARK 500 9 TYR A 8 -61.96 -121.68 REMARK 500 9 PRO A 11 -89.23 -61.37 REMARK 500 9 ASP A 12 36.41 35.92 REMARK 500 9 CYS A 13 -25.33 -170.36 REMARK 500 10 GLN A 5 88.01 -12.00 REMARK 500 REMARK 500 THIS ENTRY HAS 164 RAMACHANDRAN OUTLIERS. 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 6 0.31 SIDE CHAIN REMARK 500 1 ARG A 9 0.31 SIDE CHAIN REMARK 500 1 ARG A 32 0.29 SIDE CHAIN REMARK 500 2 ARG A 6 0.32 SIDE CHAIN REMARK 500 2 ARG A 9 0.26 SIDE CHAIN REMARK 500 2 ARG A 32 0.27 SIDE CHAIN REMARK 500 3 ARG A 6 0.32 SIDE CHAIN REMARK 500 3 ARG A 9 0.32 SIDE CHAIN REMARK 500 3 ARG A 32 0.31 SIDE CHAIN REMARK 500 4 ARG A 6 0.31 SIDE CHAIN REMARK 500 4 ARG A 9 0.24 SIDE CHAIN REMARK 500 4 ARG A 32 0.32 SIDE CHAIN REMARK 500 5 ARG A 6 0.32 SIDE CHAIN REMARK 500 5 ARG A 9 0.31 SIDE CHAIN REMARK 500 5 ARG A 32 0.31 SIDE CHAIN REMARK 500 6 ARG A 6 0.31 SIDE CHAIN REMARK 500 6 ARG A 9 0.32 SIDE CHAIN REMARK 500 6 ARG A 32 0.32 SIDE CHAIN REMARK 500 7 ARG A 6 0.32 SIDE CHAIN REMARK 500 7 ARG A 9 0.20 SIDE CHAIN REMARK 500 7 ARG A 32 0.31 SIDE CHAIN REMARK 500 8 ARG A 6 0.32 SIDE CHAIN REMARK 500 8 ARG A 9 0.31 SIDE CHAIN REMARK 500 8 ARG A 32 0.28 SIDE CHAIN REMARK 500 9 ARG A 6 0.32 SIDE CHAIN REMARK 500 9 ARG A 9 0.23 SIDE CHAIN REMARK 500 9 ARG A 32 0.31 SIDE CHAIN REMARK 500 10 ARG A 6 0.31 SIDE CHAIN REMARK 500 10 ARG A 9 0.32 SIDE CHAIN REMARK 500 10 ARG A 32 0.30 SIDE CHAIN REMARK 500 11 ARG A 6 0.31 SIDE CHAIN REMARK 500 11 ARG A 9 0.24 SIDE CHAIN REMARK 500 11 ARG A 32 0.29 SIDE CHAIN REMARK 500 12 ARG A 6 0.32 SIDE CHAIN REMARK 500 12 ARG A 9 0.30 SIDE CHAIN REMARK 500 12 ARG A 32 0.31 SIDE CHAIN REMARK 500 13 ARG A 6 0.32 SIDE CHAIN REMARK 500 13 ARG A 9 0.26 SIDE CHAIN REMARK 500 13 ARG A 32 0.28 SIDE CHAIN REMARK 500 14 ARG A 6 0.31 SIDE CHAIN REMARK 500 14 ARG A 9 0.30 SIDE CHAIN REMARK 500 14 ARG A 32 0.31 SIDE CHAIN REMARK 500 15 ARG A 6 0.31 SIDE CHAIN REMARK 500 15 ARG A 9 0.31 SIDE CHAIN REMARK 500 15 ARG A 32 0.32 SIDE CHAIN REMARK 500 16 ARG A 6 0.31 SIDE CHAIN REMARK 500 16 ARG A 9 0.31 SIDE CHAIN REMARK 500 16 ARG A 32 0.30 SIDE CHAIN REMARK 500 17 ARG A 6 0.32 SIDE CHAIN REMARK 500 17 ARG A 9 0.24 SIDE CHAIN REMARK 500 REMARK 500 THIS ENTRY HAS 90 PLANE DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL DBREF 1TSK A 1 35 UNP P56219 SCKK_TITSE 1 35 SEQRES 1 A 35 VAL VAL ILE GLY GLN ARG CYS TYR ARG SER PRO ASP CYS SEQRES 2 A 35 TYR SER ALA CYS LYS LYS LEU VAL GLY LYS ALA THR GLY SEQRES 3 A 35 LYS CYS THR ASN GLY ARG CYS ASP CYS HELIX 1 1 TYR A 14 LEU A 20 1 7 SHEET 1 A 2 LYS A 27 THR A 29 0 SHEET 2 A 2 ARG A 32 ASP A 34 -1 N ASP A 34 O LYS A 27 SSBOND 1 CYS A 7 CYS A 28 1555 1555 2.02 SSBOND 2 CYS A 13 CYS A 33 1555 1555 2.02 SSBOND 3 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 MODEL 1