10 20 30 40 50 60 70 80 1LA4 - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 28-MAR-02 1LA4
TITLE SOLUTION STRUCTURE OF SGTX1
COMPND MOL_ID: 1; COMPND 2 MOLECULE: SGTX1; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: VOLTAGE-GATED POTASSIUM CHANNEL BLOCKER; COMPND 5 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE IS CHEMICALLY SYNTHESIZED.
KEYWDS TRIPLE-STRANDED ANTIPARALLEL BETA-SHEET, INHIBITORY CYSTINE KEYWDS 2 KNOT, PEPTIDE NEUROTOXIN
EXPDTA SOLUTION NMR
NUMMDL 20
AUTHOR C.W.LEE,S.H.ROH,S.KIM,H.ENDOH,Y.KODERA,T.MAEDA,K.J.SWARTZ, AUTHOR 2 J.I.KIM
REVDAT 3 24-FEB-09 1LA4 1 VERSN REVDAT 2 09-MAR-04 1LA4 1 JRNL REVDAT 1 11-NOV-03 1LA4 0
JRNL AUTH C.W.LEE,S.KIM,S.H.ROH,H.ENDOH,Y.KODERA,T.MAEDA, JRNL AUTH 2 T.KOHNO,J.M.WANG,K.J.SWARTZ,J.I.KIM JRNL TITL SOLUTION STRUCTURE AND FUNCTIONAL CHARACTERIZATION JRNL TITL 2 OF SGTX1, A MODIFIER OF KV2.1 CHANNEL GATING JRNL REF BIOCHEMISTRY V. 43 890 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 14744131 JRNL DOI 10.1021/BI0353373
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : A.T.BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: ADDITIONAL COMMENTS ABOUT THE NMR REMARK 3 REFINEMENT CAN BE PLACED HERE, E.G. THE STRUCTURES ARE BASED REMARK 3 ON A TOTAL OF 499 RESTRAINTS, 449 ARE NOE-DERIVED DISTANCE REMARK 3 CONSTRAINTS, 27 DIHEDRAL ANGLE RESTRAINTS,14 DISTANCE REMARK 3 RESTRAINTS FROM HYDROGEN BONDS, AND 9 DISTANCE RESTRAINTS FROM REMARK 3 DISULFIDE BONDS.
REMARK 4 REMARK 4 1LA4 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 29-MAR-02. REMARK 100 THE RCSB ID CODE IS RCSB015786.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 310 REMARK 210 PH : 3.5 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2MM SGTX1; 90% H2O, 10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, DQF-COSY, PE-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : DMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : UXNMR 2.6, X-PLOR 3.851 REMARK 210 METHOD USED : DISTANCE GEOMETRY, SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS, REMARK 210 STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 16 REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES.
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 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(RES=RESIDUE NAME; REMARK 470 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 470 MODELS 1-20 REMARK 470 RES CSSEQI ATOMS REMARK 470 PHE A 34 O
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 TYR A 4 -164.00 -124.72 REMARK 500 1 LEU A 5 140.80 -39.65 REMARK 500 1 CYS A 16 -166.76 -77.03 REMARK 500 1 LYS A 17 43.09 -84.30 REMARK 500 1 HIS A 18 -31.00 -161.75 REMARK 500 1 CYS A 21 92.26 -52.34 REMARK 500 2 LEU A 5 154.56 -40.57 REMARK 500 2 PHE A 6 34.11 37.33 REMARK 500 2 CYS A 16 -164.13 -73.26 REMARK 500 2 LYS A 17 41.35 -87.55 REMARK 500 2 HIS A 18 -32.83 -160.43 REMARK 500 2 THR A 33 -82.13 -104.90 REMARK 500 3 CYS A 2 -169.38 -127.55 REMARK 500 3 LEU A 5 152.26 -40.38 REMARK 500 3 LYS A 17 45.72 -84.57 REMARK 500 3 HIS A 18 -34.84 -159.22 REMARK 500 3 CYS A 21 102.79 -51.78 REMARK 500 4 TYR A 4 -160.20 -76.59 REMARK 500 4 LEU A 5 158.91 -44.19 REMARK 500 4 PHE A 6 36.33 34.88 REMARK 500 4 CYS A 16 -165.13 -76.06 REMARK 500 4 LYS A 17 39.94 -85.90 REMARK 500 4 HIS A 18 -35.17 -160.43 REMARK 500 4 CYS A 21 104.41 -48.92 REMARK 500 4 THR A 33 -127.42 -93.58 REMARK 500 5 CYS A 2 -169.00 -125.04 REMARK 500 5 LEU A 5 150.47 -48.06 REMARK 500 5 LYS A 17 44.19 -82.72 REMARK 500 5 HIS A 18 -35.43 -161.21 REMARK 500 6 PHE A 6 29.67 48.79 REMARK 500 6 CYS A 16 -167.99 -75.41 REMARK 500 6 LYS A 17 43.60 -85.79 REMARK 500 6 HIS A 18 -31.33 -160.03 REMARK 500 6 THR A 33 -141.41 -125.02 REMARK 500 7 CYS A 2 -175.41 -53.84 REMARK 500 7 LEU A 5 154.76 -32.53 REMARK 500 7 PHE A 6 36.91 38.14 REMARK 500 7 LYS A 17 45.33 -84.07 REMARK 500 7 HIS A 18 -35.24 -159.65 REMARK 500 7 CYS A 21 90.70 -56.22 REMARK 500 7 THR A 33 -76.54 -120.66 REMARK 500 8 TYR A 4 -158.33 -105.76 REMARK 500 8 LEU A 5 138.91 -36.99 REMARK 500 8 PHE A 6 28.82 37.12 REMARK 500 8 LYS A 17 45.87 -82.13 REMARK 500 8 HIS A 18 -37.40 -161.33 REMARK 500 8 THR A 33 -60.31 -102.19 REMARK 500 9 CYS A 2 -161.04 33.70 REMARK 500 9 TYR A 4 -160.27 -102.65 REMARK 500 9 CYS A 16 -166.26 -75.95 REMARK 500 9 LYS A 17 44.18 -86.65 REMARK 500 9 HIS A 18 -35.39 -159.60 REMARK 500 9 CYS A 21 104.29 -54.93 REMARK 500 9 THR A 33 -80.13 -131.88 REMARK 500 10 LEU A 5 158.76 -43.51 REMARK 500 10 PHE A 6 36.74 37.48 REMARK 500 10 CYS A 16 -165.48 -73.48 REMARK 500 10 LYS A 17 43.71 -87.94 REMARK 500 10 HIS A 18 -35.57 -160.14 REMARK 500 10 CYS A 21 99.47 -56.53 REMARK 500 10 LYS A 26 65.55 26.11 REMARK 500 10 THR A 33 -65.42 -158.37 REMARK 500 11 CYS A 2 -176.52 -173.60 REMARK 500 11 LEU A 5 152.48 -40.64 REMARK 500 11 PHE A 6 33.82 36.18 REMARK 500 11 LYS A 17 43.60 -82.59 REMARK 500 11 HIS A 18 -36.43 -161.09 REMARK 500 11 CYS A 21 109.97 -56.40 REMARK 500 11 THR A 33 -93.06 -83.83 REMARK 500 12 CYS A 2 -178.78 -49.38 REMARK 500 12 LYS A 17 44.13 -85.08 REMARK 500 12 HIS A 18 -36.41 -160.03 REMARK 500 12 CYS A 21 93.10 -53.82 REMARK 500 12 THR A 33 -151.14 -154.45 REMARK 500 13 TYR A 4 -161.38 -77.62 REMARK 500 13 LEU A 5 147.08 -37.17 REMARK 500 13 PHE A 6 31.04 36.86 REMARK 500 13 LYS A 17 43.39 -85.00 REMARK 500 13 HIS A 18 -33.59 -159.52 REMARK 500 14 CYS A 2 -164.26 34.73 REMARK 500 14 TYR A 4 -159.39 -110.87 REMARK 500 14 CYS A 16 -167.74 -73.64 REMARK 500 14 LYS A 17 44.08 -85.28 REMARK 500 14 HIS A 18 -33.77 -162.16 REMARK 500 14 CYS A 21 96.41 -56.98 REMARK 500 15 TYR A 4 -158.24 -90.93 REMARK 500 15 LYS A 17 47.33 -84.37 REMARK 500 15 HIS A 18 -36.90 -159.05 REMARK 500 15 CYS A 21 97.04 -54.37 REMARK 500 15 THR A 33 -139.99 -99.02 REMARK 500 16 TYR A 4 -157.39 -97.89 REMARK 500 16 LEU A 5 141.08 -39.48 REMARK 500 16 PHE A 6 27.36 38.74 REMARK 500 16 LYS A 17 44.39 -82.66 REMARK 500 16 HIS A 18 -33.96 -162.04 REMARK 500 16 CYS A 21 105.16 -51.85 REMARK 500 17 TYR A 4 -159.05 -87.66 REMARK 500 17 LEU A 5 151.59 -45.04 REMARK 500 17 LYS A 17 46.16 -83.25 REMARK 500 17 HIS A 18 -35.82 -158.18 REMARK 500 17 CYS A 21 104.62 -52.02 REMARK 500 17 THR A 33 -158.50 -137.15 REMARK 500 18 TYR A 4 -163.01 -69.54 REMARK 500 18 LEU A 5 166.53 -42.90 REMARK 500 18 PHE A 6 37.67 34.51 REMARK 500 18 CYS A 16 -165.40 -76.41 REMARK 500 18 LYS A 17 40.78 -84.82 REMARK 500 18 HIS A 18 -32.64 -160.47 REMARK 500 19 TYR A 4 -160.94 -100.72 REMARK 500 19 LEU A 5 149.79 -36.37 REMARK 500 19 PHE A 6 32.57 33.51 REMARK 500 19 CYS A 16 -168.61 -74.28 REMARK 500 19 LYS A 17 43.32 -84.90 REMARK 500 19 HIS A 18 -31.26 -160.28 REMARK 500 19 THR A 33 -141.88 -116.05 REMARK 500 20 TYR A 4 -158.85 -84.55 REMARK 500 20 LEU A 5 139.74 -34.12 REMARK 500 20 PHE A 6 29.84 35.98 REMARK 500 20 CYS A 16 -164.93 -72.45 REMARK 500 20 LYS A 17 38.54 -87.55 REMARK 500 20 HIS A 18 -29.53 -160.12 REMARK 500 20 CYS A 21 107.76 -50.90 REMARK 500 20 THR A 33 -33.08 -133.45 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 3 0.25 SIDE_CHAIN REMARK 500 1 ARG A 22 0.26 SIDE_CHAIN REMARK 500 2 ARG A 3 0.32 SIDE_CHAIN REMARK 500 2 ARG A 22 0.23 SIDE_CHAIN REMARK 500 3 ARG A 3 0.28 SIDE_CHAIN REMARK 500 3 ARG A 22 0.11 SIDE_CHAIN REMARK 500 4 ARG A 3 0.30 SIDE_CHAIN REMARK 500 4 ARG A 22 0.30 SIDE_CHAIN REMARK 500 5 ARG A 3 0.26 SIDE_CHAIN REMARK 500 5 ARG A 22 0.13 SIDE_CHAIN REMARK 500 6 ARG A 3 0.25 SIDE_CHAIN REMARK 500 7 ARG A 3 0.14 SIDE_CHAIN REMARK 500 7 ARG A 22 0.13 SIDE_CHAIN REMARK 500 8 ARG A 3 0.19 SIDE_CHAIN REMARK 500 8 ARG A 22 0.32 SIDE_CHAIN REMARK 500 9 ARG A 3 0.28 SIDE_CHAIN REMARK 500 9 ARG A 22 0.32 SIDE_CHAIN REMARK 500 10 ARG A 3 0.31 SIDE_CHAIN REMARK 500 10 ARG A 22 0.15 SIDE_CHAIN REMARK 500 11 ARG A 3 0.24 SIDE_CHAIN REMARK 500 11 ARG A 22 0.30 SIDE_CHAIN REMARK 500 12 ARG A 3 0.32 SIDE_CHAIN REMARK 500 12 ARG A 22 0.31 SIDE_CHAIN REMARK 500 13 ARG A 3 0.24 SIDE_CHAIN REMARK 500 13 ARG A 22 0.14 SIDE_CHAIN REMARK 500 14 ARG A 3 0.29 SIDE_CHAIN REMARK 500 14 ARG A 22 0.28 SIDE_CHAIN REMARK 500 15 ARG A 3 0.32 SIDE_CHAIN REMARK 500 15 ARG A 22 0.32 SIDE_CHAIN REMARK 500 16 ARG A 3 0.19 SIDE_CHAIN REMARK 500 16 ARG A 22 0.30 SIDE_CHAIN REMARK 500 17 ARG A 3 0.23 SIDE_CHAIN REMARK 500 17 ARG A 22 0.31 SIDE_CHAIN REMARK 500 18 ARG A 3 0.29 SIDE_CHAIN REMARK 500 19 ARG A 3 0.23 SIDE_CHAIN REMARK 500 19 ARG A 22 0.20 SIDE_CHAIN REMARK 500 20 ARG A 3 0.14 SIDE_CHAIN REMARK 500 20 ARG A 22 0.23 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
DBREF 1LA4 A 1 34 UNP P56855 TX1_SCOGR 1 34
SEQRES 1 A 34 THR CYS ARG TYR LEU PHE GLY GLY CYS LYS THR THR ALA SEQRES 2 A 34 ASP CYS CYS LYS HIS LEU ALA CYS ARG SER ASP GLY LYS SEQRES 3 A 34 TYR CYS ALA TRP ASP GLY THR PHE
HELIX 1 1 THR A 11 CYS A 15 5 5
SHEET 1 A 3 GLY A 7 GLY A 8 0 SHEET 2 A 3 TYR A 27 CYS A 28 -1 O CYS A 28 N GLY A 7 SHEET 3 A 3 CYS A 21 ARG A 22 -1 N ARG A 22 O TYR A 27
SSBOND 1 CYS A 2 CYS A 16 1555 1555 2.02 SSBOND 2 CYS A 9 CYS A 21 1555 1555 2.02 SSBOND 3 CYS A 15 CYS A 28 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