HEADER NEUROTOXIN 27-JAN-98 1KCP TITLE 3D STRUCTURE OF K-CONOTOXIN PVIIA, A NOVEL POTASSIUM CHANNEL-BLOCKING TITLE 2 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,S.ZINN- AUTHOR 2 JUSTIN,A.MENEZ REVDAT 3 29-NOV-17 1KCP 1 HELIX 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,S.GASPARINI, JRNL AUTH 2 S.ZINN-JUSTIN,A.MENEZ JRNL TITL THREE-DIMENSIONAL STRUCTURE OF KAPPA-CONOTOXIN PVIIA, A JRNL TITL 2 NOVEL POTASSIUM CHANNEL-BLOCKING TOXIN 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,B.M.OLIVERA REMARK 1 TITL STRATEGY FOR RAPID IMMOBILIZATION OF PREY BY A FISH-HUNTING REMARK 1 TITL 2 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 100 THE DEPOSITION ID IS D_1000174405. 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 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: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 HG SER A 17 O VAL A 27 1.60 REMARK 500 REMARK 500 REMARK: NULL 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. = 3.5 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. = 3.1 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 ASN A 5 -8.48 92.65 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 HYP A 4 42.10 -73.04 REMARK 500 2 ASN A 5 51.55 177.76 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 ASN A 5 4.04 100.61 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 ASN A 5 4.02 94.11 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 HYP A 4 37.82 -60.04 REMARK 500 8 ASN A 5 9.75 -157.58 REMARK 500 8 ASP A 14 16.60 -140.76 REMARK 500 8 ARG A 18 -35.41 91.31 REMARK 500 9 ASN A 5 -21.23 102.43 REMARK 500 9 ASP A 14 39.54 -95.44 REMARK 500 9 ASN A 24 32.98 81.02 REMARK 500 10 ASN A 5 13.49 82.23 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 ASN A 5 2.87 93.46 REMARK 500 13 CYS A 8 -137.35 -151.20 REMARK 500 13 CYS A 16 54.15 -91.97 REMARK 500 REMARK 500 THIS ENTRY HAS 91 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 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 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 MODEL 1