10 20 30 40 50 60 70 80 1TTK - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 22-JUN-04 1TTK
TITLE NMR SOLUTION STRUCTURE OF OMEGA-CONOTOXIN MVIIA, A N-TYPE TITLE 2 CALCIUM CHANNEL BLOCKER
COMPND MOL_ID: 1; COMPND 2 MOLECULE: OMEGA-CONOTOXIN MVIIA; 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 CONUS SOURCE 4 MAGUS
KEYWDS FOUR LOOP FRAME WORK, AMIDATED C-TERMINAL, DISULFIDE RICH, KEYWDS 2 TOXIN
EXPDTA SOLUTION NMR
NUMMDL 17
AUTHOR D.J.ADAMS,A.B.SMITH,C.I.SCHROEDER,T.YASUDA,R.J.LEWIS
REVDAT 2 24-FEB-09 1TTK 1 VERSN REVDAT 1 06-JUL-04 1TTK 0
JRNL AUTH D.J.ADAMS,A.B.SMITH,C.I.SCHROEDER,T.YASUDA, JRNL AUTH 2 R.J.LEWIS JRNL TITL OMEGA-CONOTOXIN CVID INHIBITS A PHARMACOLOGICALLY JRNL TITL 2 DISTINCT VOLTAGE-SENSITIVE CALCIUM CHANNEL JRNL TITL 3 ASSOCIATED WITH TRANSMITTER RELEASE FROM JRNL TITL 4 PREGANGLIONIC NERVE TERMINALS JRNL REF J.BIOL.CHEM. V. 278 4057 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12441339 JRNL DOI 10.1074/JBC.M209969200
REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.MOULD,T.YASUDA,C.I.SCHROEDER,A.M.BEEDLE, REMARK 1 AUTH 2 C.J.DOERING,G.W.ZAMPONI,D.J.ADAMS,R.J.LEWIS REMARK 1 TITL THE ALFA2DELTA AUXILIARY SUBUNIT REDUCES THE REMARK 1 TITL 2 AFFINITY OF OMEGA-CONOTOXINS FOR RECOMBINANT REMARK 1 TITL 3 N-TYPE CALCIUM CHANNELS REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: A TOTAL OF 456 DISTANCE RESTRAINTS REMARK 3 (INCLUDING H-BONDS) AND 31 DIHEDRAL DISTANCE RESTRAINTS REMARK 3 (INCLUDING 22 PHIS AND 9 CHI ANGLES) WERE USED TO CALCULATE REMARK 3 THE STRUCTURE.
REMARK 4 REMARK 4 1TTK COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 24-JUN-04. REMARK 100 THE RCSB ID CODE IS RCSB022889.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 293; 280 REMARK 210 PH : 3.5; 3.5 REMARK 210 IONIC STRENGTH : NULL; NULL REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 2MM MVIIA, 95% H2O, D2O, DSS; REMARK 210 2MM MVIIA, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, 2D TOCSY, DQF-COSY, REMARK 210 E-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ, 750 MHZ REMARK 210 SPECTROMETER MODEL : DRX, AMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 3.5, X-PLOR 3.851 REMARK 210 METHOD USED : SOLUTION STRUCTURES WERE REMARK 210 CALCULATED USING TORSION ANGLE REMARK 210 DYNAMICS/SIMULATED ANNEALING REMARK 210 TECHNIQUES. REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 17 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 11 REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETRMINED USING STANDARD 2D REMARK 210 HOMONUCELAR NMR 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 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 CYS A 16 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 2 ARG A 10 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 3 CYS A 16 CA - CB - SG ANGL. DEV. = 6.9 DEGREES REMARK 500 5 CYS A 16 CA - CB - SG ANGL. DEV. = 7.4 DEGREES REMARK 500 6 CYS A 16 CA - CB - SG ANGL. DEV. = 7.8 DEGREES REMARK 500 8 CYS A 16 CA - CB - SG ANGL. DEV. = 7.0 DEGREES REMARK 500 9 CYS A 8 CA - CB - SG ANGL. DEV. = 7.3 DEGREES REMARK 500 10 CYS A 8 CA - CB - SG ANGL. DEV. = 8.2 DEGREES REMARK 500 10 CYS A 16 CA - CB - SG ANGL. DEV. = 6.8 DEGREES REMARK 500 12 CYS A 8 CA - CB - SG ANGL. DEV. = 6.9 DEGREES REMARK 500 13 CYS A 8 CA - CB - SG ANGL. DEV. = 6.9 DEGREES REMARK 500 15 CYS A 16 CA - CB - SG ANGL. DEV. = 8.1 DEGREES REMARK 500 17 CYS A 8 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 ASP A 14 38.10 -86.59 REMARK 500 1 THR A 17 46.43 -99.72 REMARK 500 2 ARG A 10 4.56 -69.30 REMARK 500 2 LEU A 11 -5.25 -143.44 REMARK 500 2 ASP A 14 24.24 -74.42 REMARK 500 2 THR A 17 50.95 -106.44 REMARK 500 3 LYS A 7 124.08 -34.86 REMARK 500 3 MET A 12 40.36 -158.86 REMARK 500 3 TYR A 13 77.71 7.10 REMARK 500 3 ASP A 14 35.88 -83.00 REMARK 500 3 THR A 17 42.99 -96.04 REMARK 500 4 MET A 12 -30.67 -147.17 REMARK 500 4 THR A 17 27.62 -79.95 REMARK 500 5 MET A 12 -24.26 -145.22 REMARK 500 5 ASP A 14 5.89 -69.39 REMARK 500 5 THR A 17 49.16 -109.45 REMARK 500 6 MET A 12 -9.68 -155.09 REMARK 500 6 ASP A 14 6.44 -69.23 REMARK 500 7 ASP A 14 26.85 -75.33 REMARK 500 7 THR A 17 47.75 -103.96 REMARK 500 8 LEU A 11 -16.28 -153.49 REMARK 500 8 ASP A 14 21.72 -72.93 REMARK 500 8 THR A 17 47.04 -103.83 REMARK 500 9 ARG A 10 30.37 -91.22 REMARK 500 9 LEU A 11 24.85 -156.64 REMARK 500 9 MET A 12 -37.35 -163.65 REMARK 500 9 SER A 19 81.44 -150.93 REMARK 500 9 ARG A 21 77.57 -118.67 REMARK 500 10 LEU A 11 -17.11 123.35 REMARK 500 10 ASP A 14 32.32 -80.01 REMARK 500 10 THR A 17 41.53 -91.96 REMARK 500 11 MET A 12 -36.63 -140.44 REMARK 500 11 SER A 19 82.91 -159.94 REMARK 500 11 ARG A 21 74.06 -114.07 REMARK 500 12 LYS A 7 123.37 -38.12 REMARK 500 12 MET A 12 -13.05 -152.61 REMARK 500 12 TYR A 13 63.65 35.48 REMARK 500 12 ASP A 14 20.55 -76.34 REMARK 500 12 THR A 17 23.55 -72.89 REMARK 500 13 LEU A 11 31.24 -140.47 REMARK 500 13 MET A 12 -24.38 -149.18 REMARK 500 13 ASP A 14 31.45 -78.22 REMARK 500 13 THR A 17 56.06 -112.59 REMARK 500 14 MET A 12 -28.79 -141.72 REMARK 500 14 SER A 19 71.18 -158.34 REMARK 500 14 ARG A 21 75.41 -117.94 REMARK 500 15 ARG A 10 30.36 -84.75 REMARK 500 15 LEU A 11 -19.60 -155.08 REMARK 500 15 ASP A 14 4.85 -69.03 REMARK 500 15 THR A 17 52.83 -111.24 REMARK 500 15 ARG A 21 76.93 -112.91 REMARK 500 15 SER A 22 13.90 54.68 REMARK 500 16 MET A 12 -11.93 -143.59 REMARK 500 16 ASP A 14 28.53 -77.30 REMARK 500 16 THR A 17 48.50 -105.59 REMARK 500 17 ASP A 14 23.60 -76.01 REMARK 500 17 THR A 17 26.25 -79.31 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 26
REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1OMG RELATED DB: PDB REMARK 900 NMR STUDY OF OMEGA-CONOTOXIN MVIIA REMARK 900 RELATED ID: 1MVJ RELATED DB: PDB REMARK 900 N-TYPE CALCIUM CHANNEL BLOCKER, OMEGA-CONOTOXIN MVIIA NMR, REMARK 900 15 STRUCTURES REMARK 900 RELATED ID: 1DW4 RELATED DB: PDB REMARK 900 NMR STRUCTURE OF OMEGA-CONOTOXIN MVIIA: CONSTRAINTS ON REMARK 900 DISULPHIDE BRIDGES REMARK 900 RELATED ID: 1TT3 RELATED DB: PDB REMARK 900 NMR SOULUTION STRUCTURE OF OMEGA-CONOTOXIN [K10]MVIIA
DBREF 1TTK A 1 25 UNP P05484 CXO7A_CONMA 46 70
SEQRES 1 A 26 CYS LYS GLY LYS GLY ALA LYS CYS SER ARG LEU MET TYR SEQRES 2 A 26 ASP CYS CYS THR GLY SER CYS ARG SER GLY LYS CYS NH2
HET NH2 A 26 3
HETNAM NH2 AMINO GROUP
FORMUL 1 NH2 H2 N
SSBOND 1 CYS A 1 CYS A 16 1555 1555 2.02 SSBOND 2 CYS A 8 CYS A 20 1555 1555 2.02 SSBOND 3 CYS A 15 CYS A 25 1555 1555 2.02
LINK C CYS A 25 N NH2 A 26 1555 1555 1.30
SITE 1 AC1 3 SER A 19 ARG A 21 CYS A 25
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