10 20 30 40 50 60 70 80 1HP9 - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 12-DEC-00 1HP9
TITLE KAPPA-HEFUTOXINS: A NOVEL CLASS OF POTASSIUM CHANNEL TOXINS TITLE 2 FROM SCORPION VENOM
CAVEAT 1HP9 CHIRALITY ERROR AT THE CD CENTER OF ARG A 21.
COMPND MOL_ID: 1; COMPND 2 MOLECULE: KAPPA-HEFUTOXIN 1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN THE SOURCE 4 SCORPION, HETEROMETRUS FULVIPES
KEYWDS SCORPION TOXIN, GATING MODIFIER, VOLTAGE-GATED POTASSIUM KEYWDS 2 CHANNEL
EXPDTA SOLUTION NMR
MDLTYP MINIMIZED AVERAGE
AUTHOR K.N.SRINIVASAN,V.SIVARAJA,I.HUYS,T.SASAKI,B.CHENG, AUTHOR 2 T.K.S.KUMAR,K.SATO,J.TYTGAT,C.YU,C.S.BRIAN CHIA, AUTHOR 3 S.RANGANATHAN,J.H.BOWIE,R.M.KINI,P.GOPALAKRISHNAKONE
REVDAT 3 24-FEB-09 1HP9 1 VERSN REVDAT 2 01-APR-03 1HP9 1 JRNL REVDAT 1 28-AUG-02 1HP9 0
JRNL AUTH K.N.SRINIVASAN,V.SIVARAJA,I.HUYS,T.SASAKI,B.CHENG, JRNL AUTH 2 T.K.KUMAR,K.SATO,J.TYTGAT,C.YU,B.C.SAN, JRNL AUTH 3 S.RANGANATHAN,H.J.BOWIE,R.M.KINI, JRNL AUTH 4 P.GOPALAKRISHNAKONE JRNL TITL KAPPA-HEFUTOXIN1, A NOVEL TOXIN FROM THE SCORPION JRNL TITL 2 HETEROMETRUS FULVIPES WITH UNIQUE STRUCTURE AND JRNL TITL 3 FUNCTION. IMPORTANCE OF THE FUNCTIONAL DIAD IN JRNL TITL 4 POTASSIUM CHANNEL SELECTIVITY. JRNL REF J.BIOL.CHEM. V. 277 30040 2002 JRNL REFN ISSN 0021-9258 JRNL PMID 12034709 JRNL DOI 10.1074/JBC.M111258200
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 1HP9 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 19-DEC-00. REMARK 100 THE RCSB ID CODE IS RCSB012499.
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 : 10 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 18.59MG OF HEFUTOXIN1 WAS REMARK 210 DISSOLVED IN 0.70ML OF WATER / REMARK 210 D2O (9:1 BY VOLUME) CONTAINING REMARK 210 50MM OF PHOSPHATE BUFFER REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : UNITY REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR 5.3 REMARK 210 METHOD USED : MOLECULAR DYNAMICS/SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 20 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED BY 2D NMR
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: 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 HIS A 2 CA - CB - CG ANGL. DEV. = -13.3 DEGREES REMARK 500 ARG A 10 CG - CD - NE ANGL. DEV. = -13.7 DEGREES REMARK 500 ARG A 10 NE - CZ - NH2 ANGL. DEV. = -5.4 DEGREES REMARK 500 ARG A 21 CG - CD - NE ANGL. DEV. = 21.3 DEGREES REMARK 500 ARG A 21 CD - NE - CZ ANGL. DEV. = -9.3 DEGREES REMARK 500 ARG A 21 NE - CZ - NH1 ANGL. DEV. = -8.1 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 HIS A 2 89.03 73.34 REMARK 500 ARG A 6 -98.67 -94.84 REMARK 500 GLU A 11 -71.49 -70.05 REMARK 500 ARG A 21 -75.23 -90.38 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 GLY A 1 HIS A 2 125.44 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 ARG A 21 0.34 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
DBREF 1HP9 A 1 22 UNP P82850 TX1_HETFU 1 22
SEQRES 1 A 22 GLY HIS ALA CYS TYR ARG ASN CYS TRP ARG GLU GLY ASN SEQRES 2 A 22 ASP GLU GLU THR CYS LYS GLU ARG CYS
HELIX 1 1 ARG A 6 ASN A 13 1 8 HELIX 2 2 GLU A 16 CYS A 22 1 7
SSBOND 1 CYS A 4 CYS A 22 1555 1555 2.00 SSBOND 2 CYS A 8 CYS A 18 1555 1555 2.04
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