10 20 30 40 50 60 70 80 1KCP - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER NEUROTOXIN 27-JAN-98 1KCP
TITLE 3D STRUCTURE OF K-CONOTOXIN PVIIA, A NOVEL POTASSIUM TITLE 2 CHANNEL-BLOCKING TOXIN FROM CONE SNAILS, NMR, 22 STRUCTURES
COMPND MOL_ID: 1; COMPND 2 MOLECULE: KAPPA-CONOTOXIN PVIIA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CONUS PURPURASCENS; SOURCE 3 ORGANISM_TAXID: 41690
KEYWDS NEUROTOXIN, POTASSIUM CHANNEL INHIBITOR
EXPDTA SOLUTION NMR
NUMMDL 22
AUTHOR P.SAVARIN,M.GUENNEUGUES,B.GILQUIN,H.LAMTHANH,S.GASPARINI, AUTHOR 2 S.ZINN-JUSTIN,A.MENEZ
REVDAT 2 24-FEB-09 1KCP 1 VERSN REVDAT 1 14-OCT-98 1KCP 0
JRNL AUTH P.SAVARIN,M.GUENNEUGUES,B.GILQUIN,H.LAMTHANH, JRNL AUTH 2 S.GASPARINI,S.ZINN-JUSTIN,A.MENEZ JRNL TITL THREE-DIMENSIONAL STRUCTURE OF KAPPA-CONOTOXIN JRNL TITL 2 PVIIA, A NOVEL POTASSIUM CHANNEL-BLOCKING TOXIN JRNL TITL 3 FROM CONE SNAILS. JRNL REF BIOCHEMISTRY V. 37 5407 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9548922 JRNL DOI 10.1021/BI9730341
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH H.TERLAU,K.J.SHON,M.GRILLEY,M.STOCKER,W.STUHMB, REMARK 1 AUTH 2 B.M.OLIVERA REMARK 1 TITL STRATEGY FOR RAPID IMMOBILIZATION OF PREY BY A REMARK 1 TITL 2 FISH-HUNTING MARINE SNAIL REMARK 1 REF NATURE V. 381 148 1996 REMARK 1 REFN ISSN 0028-0836
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: NULL
REMARK 4 REMARK 4 1KCP COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 288 REMARK 210 PH : 5.0 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 : AMX500 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : BRUKER UXNMR UXNMR REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 22 REMARK 210 CONFORMERS, SELECTION CRITERIA : NULL REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NOE DATA CAME FROM SPECTRA COLLECTED AT 15 DEGREES, PH REMARK 210 5.0. A TOTAL OF 434 NOE RESTRAINTS WERE COMBINED WITH 20 REMARK 210 DIHEDRAL ANGLE CONSTRAINTS FOR THE FINAL STRUCTURE REFINEMENT.
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 1 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 1 ARG A 22 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 1 ARG A 22 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 2 PHE A 9 CB - CG - CD1 ANGL. DEV. = 4.2 DEGREES REMARK 500 2 ARG A 18 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 2 ARG A 22 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 3 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 5.4 DEGREES REMARK 500 3 ARG A 18 NE - CZ - NH1 ANGL. DEV. = 4.9 DEGREES REMARK 500 3 ARG A 22 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 3 ARG A 22 NE - CZ - NH2 ANGL. DEV. = -3.0 DEGREES REMARK 500 4 ARG A 2 NE - CZ - NH2 ANGL. DEV. = 3.0 DEGREES REMARK 500 4 ARG A 18 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 4 ARG A 22 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 5 ARG A 2 NE - CZ - NH2 ANGL. DEV. = 3.9 DEGREES REMARK 500 5 ARG A 18 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 5 ARG A 18 NE - CZ - NH2 ANGL. DEV. = -6.0 DEGREES REMARK 500 6 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 5.3 DEGREES REMARK 500 6 PHE A 23 CB - CG - CD1 ANGL. DEV. = 5.2 DEGREES REMARK 500 7 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 7 ARG A 18 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 7 ARG A 18 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 8 ARG A 2 NH1 - CZ - NH2 ANGL. DEV. = -7.2 DEGREES REMARK 500 8 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 8 ARG A 22 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 9 ARG A 2 NH1 - CZ - NH2 ANGL. DEV. = -7.0 DEGREES REMARK 500 9 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 5.6 DEGREES REMARK 500 9 PHE A 9 CB - CG - CD2 ANGL. DEV. = -4.2 DEGREES REMARK 500 9 PHE A 9 CB - CG - CD1 ANGL. DEV. = 4.9 DEGREES REMARK 500 10 ARG A 2 NH1 - CZ - NH2 ANGL. DEV. = -6.8 DEGREES REMARK 500 10 ARG A 2 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 10 PHE A 23 CB - CG - CD2 ANGL. DEV. = -4.9 DEGREES REMARK 500 10 PHE A 23 CB - CG - CD1 ANGL. DEV. = 5.6 DEGREES REMARK 500 11 ARG A 2 NE - CZ - NH2 ANGL. DEV. = 4.3 DEGREES REMARK 500 11 ARG A 18 N - CA - CB ANGL. DEV. = 11.3 DEGREES REMARK 500 11 ARG A 22 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 11 ARG A 22 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 12 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 12 CYS A 8 CB - CA - C ANGL. DEV. = 7.4 DEGREES REMARK 500 13 ARG A 2 NE - CZ - NH2 ANGL. DEV. = 3.8 DEGREES REMARK 500 13 ARG A 18 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 14 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 15 ARG A 2 NH1 - CZ - NH2 ANGL. DEV. = -6.6 DEGREES REMARK 500 15 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 15 ARG A 22 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 15 ARG A 22 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 16 ARG A 2 NE - CZ - NH2 ANGL. DEV. = 5.9 DEGREES REMARK 500 17 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 17 ARG A 22 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 18 ARG A 2 NE - CZ - NH2 ANGL. DEV. = 3.0 DEGREES REMARK 500 18 ARG A 18 NE - CZ - NH1 ANGL. DEV. = 4.6 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 63 ANGLE DEVIATIONS. 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 ASP A 14 46.96 -80.04 REMARK 500 1 ARG A 18 -42.14 103.79 REMARK 500 1 ASN A 24 15.35 80.87 REMARK 500 2 HIS A 11 39.93 -96.24 REMARK 500 2 ARG A 18 -58.47 111.88 REMARK 500 3 CYS A 8 -152.91 -124.26 REMARK 500 3 ASP A 13 54.21 -148.53 REMARK 500 3 ASP A 14 47.21 -97.49 REMARK 500 3 ARG A 18 34.18 74.09 REMARK 500 3 ASN A 24 48.36 94.57 REMARK 500 4 CYS A 8 -148.34 -118.86 REMARK 500 4 ASP A 13 8.16 -68.05 REMARK 500 4 ASN A 24 61.37 79.33 REMARK 500 5 ASP A 14 40.68 -84.80 REMARK 500 5 ARG A 18 -45.81 89.87 REMARK 500 5 ARG A 22 -36.40 -31.00 REMARK 500 5 ASN A 24 25.58 98.07 REMARK 500 6 ASP A 14 48.72 -81.08 REMARK 500 6 ASN A 24 14.45 121.04 REMARK 500 7 CYS A 8 -139.98 -124.06 REMARK 500 7 ASP A 14 41.78 -141.11 REMARK 500 7 ARG A 18 -36.56 101.27 REMARK 500 7 ASN A 21 -148.20 -103.80 REMARK 500 7 ASN A 24 38.11 75.76 REMARK 500 8 ASP A 14 16.60 -140.76 REMARK 500 8 ARG A 18 -35.41 91.31 REMARK 500 9 ASP A 14 39.54 -95.44 REMARK 500 9 ASN A 24 32.98 81.02 REMARK 500 10 CYS A 8 -154.24 -125.42 REMARK 500 10 ASP A 13 55.11 -104.71 REMARK 500 10 ARG A 18 36.83 73.73 REMARK 500 10 ASN A 21 -149.67 -100.84 REMARK 500 10 ASN A 24 24.49 81.67 REMARK 500 11 CYS A 8 -144.26 -115.96 REMARK 500 11 ARG A 18 -22.28 136.17 REMARK 500 11 ASN A 24 39.28 81.41 REMARK 500 12 CYS A 8 -144.73 -124.44 REMARK 500 12 ASN A 24 24.84 87.95 REMARK 500 13 CYS A 8 -137.35 -151.20 REMARK 500 13 CYS A 16 54.15 -91.97 REMARK 500 13 SER A 17 -49.54 -176.36 REMARK 500 13 ARG A 18 35.68 88.87 REMARK 500 13 ASN A 24 40.78 78.40 REMARK 500 14 HIS A 11 54.21 -105.66 REMARK 500 14 ARG A 18 -4.83 91.14 REMARK 500 14 ASN A 24 31.96 81.65 REMARK 500 15 ASP A 14 56.58 -159.28 REMARK 500 15 ASN A 21 -167.78 -122.69 REMARK 500 16 GLN A 10 -30.34 -39.29 REMARK 500 16 ARG A 18 -35.68 76.77 REMARK 500 16 ASN A 24 7.95 89.12 REMARK 500 17 CYS A 8 -137.32 -142.83 REMARK 500 17 ASP A 13 42.77 -88.14 REMARK 500 17 ARG A 18 37.66 71.38 REMARK 500 17 ASN A 21 -160.50 -111.73 REMARK 500 18 CYS A 8 -140.18 -129.86 REMARK 500 18 HIS A 11 52.15 -151.53 REMARK 500 18 ASP A 13 33.84 -94.62 REMARK 500 18 ARG A 18 43.44 88.46 REMARK 500 18 ASN A 24 17.55 103.79 REMARK 500 19 ARG A 18 -30.76 98.89 REMARK 500 19 ASN A 24 40.03 81.83 REMARK 500 20 CYS A 8 -161.28 -115.75 REMARK 500 20 ASP A 14 57.95 -102.06 REMARK 500 20 SER A 17 -55.53 -156.22 REMARK 500 20 ARG A 18 41.09 87.68 REMARK 500 21 CYS A 8 -156.73 -140.31 REMARK 500 21 ASP A 13 42.44 -97.64 REMARK 500 21 ASP A 14 35.77 -98.91 REMARK 500 21 SER A 17 -51.30 -167.12 REMARK 500 21 ARG A 18 9.01 116.49 REMARK 500 22 CYS A 8 -155.30 -122.68 REMARK 500 22 ASP A 14 52.51 -103.01 REMARK 500 22 ARG A 18 7.49 91.76 REMARK 500 22 ASN A 24 11.16 86.19 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 2 0.11 SIDE_CHAIN REMARK 500 2 ARG A 2 0.13 SIDE_CHAIN REMARK 500 2 ARG A 22 0.17 SIDE_CHAIN REMARK 500 3 ARG A 2 0.08 SIDE_CHAIN REMARK 500 4 ARG A 2 0.14 SIDE_CHAIN REMARK 500 5 ARG A 18 0.08 SIDE_CHAIN REMARK 500 5 ARG A 22 0.15 SIDE_CHAIN REMARK 500 6 ARG A 18 0.10 SIDE_CHAIN REMARK 500 6 ARG A 22 0.12 SIDE_CHAIN REMARK 500 7 ARG A 18 0.08 SIDE_CHAIN REMARK 500 7 ARG A 22 0.10 SIDE_CHAIN REMARK 500 8 ARG A 2 0.08 SIDE_CHAIN REMARK 500 8 ARG A 18 0.09 SIDE_CHAIN REMARK 500 9 ARG A 22 0.08 SIDE_CHAIN REMARK 500 11 ARG A 22 0.10 SIDE_CHAIN REMARK 500 12 ARG A 22 0.14 SIDE_CHAIN REMARK 500 13 ARG A 22 0.08 SIDE_CHAIN REMARK 500 14 HIS A 11 0.09 SIDE_CHAIN REMARK 500 15 ARG A 18 0.14 SIDE_CHAIN REMARK 500 16 ARG A 2 0.15 SIDE_CHAIN REMARK 500 16 ARG A 22 0.10 SIDE_CHAIN REMARK 500 17 HIS A 11 0.09 SIDE_CHAIN REMARK 500 18 ARG A 22 0.08 SIDE_CHAIN REMARK 500 19 HIS A 11 0.09 SIDE_CHAIN REMARK 500 20 ARG A 18 0.09 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NH2 A 28
DBREF 1KCP A 1 27 UNP P56633 CXK7A_CONPU 1 27
SEQADV 1KCP HYP A 4 UNP P56633 PRO 4 CONFLICT
SEQRES 1 A 28 CYS ARG ILE HYP ASN GLN LYS CYS PHE GLN HIS LEU ASP SEQRES 2 A 28 ASP CYS CYS SER ARG LYS CYS ASN ARG PHE ASN LYS CYS SEQRES 3 A 28 VAL NH2
MODRES 1KCP HYP A 4 PRO 4-HYDROXYPROLINE
HET HYP A 4 15 HET NH2 A 28 3
HETNAM HYP 4-HYDROXYPROLINE HETNAM NH2 AMINO GROUP
HETSYN HYP HYDROXYPROLINE
FORMUL 1 HYP C5 H9 N O3 FORMUL 1 NH2 H2 N
SSBOND 1 CYS A 1 CYS A 16 1555 1555 2.03 SSBOND 2 CYS A 8 CYS A 20 1555 1555 2.03 SSBOND 3 CYS A 15 CYS A 26 1555 1555 2.04
LINK N HYP A 4 C ILE A 3 1555 1555 1.37 LINK C HYP A 4 N ASN A 5 1555 1555 1.35 LINK N NH2 A 28 C VAL A 27 1555 1555 1.35
SLTBRG O ASP A 13 H LYS A 19 1555 1555
SITE 1 AC1 1 VAL A 27
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