HEADER TOXIN 22-SEP-02 1MTQ TITLE THREE-DIMENSIONAL SOLUTION STRUCTURE OF ALPHA-CONOTOXIN GID BY NMR TITLE 2 SPECTROSCOPY COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CONOTOXIN GID; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 4 ORGANISM_TAXID: 32630; SOURCE 5 OTHER_DETAILS: THIS SEQUENCE OCCURS IN NATURALLY IN CONUS GEOGRAPHUS SOURCE 6 VENOM. KEYWDS ALPHA-HELIX, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR A.NICKE,M.L.LOUGHNAN,E.L.MILLARD,P.F.ALEWOOD,D.J.ADAMS,N.L.DALY, AUTHOR 2 D.J.CRAIK,R.J.LEWIS REVDAT 3 24-JUN-20 1MTQ 1 SOURCE REMARK DBREF LINK REVDAT 3 2 1 ATOM REVDAT 2 24-FEB-09 1MTQ 1 VERSN REVDAT 1 11-FEB-03 1MTQ 0 JRNL AUTH A.NICKE,M.L.LOUGHNAN,E.L.MILLARD,P.F.ALEWOOD,D.J.ADAMS, JRNL AUTH 2 N.L.DALY,D.J.CRAIK,R.J.LEWIS JRNL TITL ISOLATION, STRUCTURE, AND ACTIVITY OF GID, A NOVEL ALPHA JRNL TITL 2 4/7-CONOTOXIN WITH AN EXTENDED N-TERMINAL SEQUENCE JRNL REF J.BIOL.CHEM. V. 278 3137 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12419800 JRNL DOI 10.1074/JBC.M210280200 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR 2.6, CNS 1.0 REMARK 3 AUTHORS : BRUKER (XWINNMR), BRUNGER ET AL. (CNS) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL OF REMARK 3 183 NOE DERIVED DISTANCE RESTRAINTS, 15 DIHEDRAL ANGLE REMARK 3 RESTRAINTS. REMARK 4 REMARK 4 1MTQ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-SEP-02. REMARK 100 THE DEPOSITION ID IS D_1000017175. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 287 REMARK 210 PH : 2.8 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2.5MM PEPTIDE; 90% H2O, 10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D TOCSY; 2D NOESY; DQF-COSY; E REMARK 210 -COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 750 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XEASY 1.3.7, DYANA 1.5 REMARK 210 METHOD USED : INITIAL STRUCTURES WERE REMARK 210 CALCULATED USING TORSION ANGLE REMARK 210 DYNAMICS AND STRUCTURES WERE REMARK 210 REFINED IN A WATER SHELL USING REMARK 210 CARTESIAN DYNAMICS. REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : ALL CALCULATED STRUCTURES REMARK 210 SUBMITTED, STRUCTURES WITH THE REMARK 210 LOWEST 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 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 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 2 CGU A 4 -63.79 67.57 REMARK 500 3 ARG A 2 34.82 -82.74 REMARK 500 3 ASP A 3 109.21 -57.95 REMARK 500 5 SER A 7 36.97 -83.90 REMARK 500 6 ARG A 2 -42.10 -170.65 REMARK 500 6 CGU A 4 99.43 56.97 REMARK 500 9 ARG A 2 -76.92 -90.42 REMARK 500 9 ASP A 3 38.57 -142.26 REMARK 500 9 SER A 7 39.08 -88.91 REMARK 500 10 SER A 7 30.23 -86.57 REMARK 500 11 SER A 7 44.93 -84.67 REMARK 500 14 ARG A 2 -36.14 77.91 REMARK 500 14 SER A 7 41.23 -80.22 REMARK 500 15 ARG A 2 -10.69 -161.81 REMARK 500 15 SER A 7 30.57 -95.57 REMARK 500 16 ASP A 3 42.17 -83.81 REMARK 500 17 ASP A 3 22.14 -154.05 REMARK 500 20 ASP A 3 121.58 67.80 REMARK 500 20 SER A 7 44.90 -87.46 REMARK 500 REMARK 500 REMARK: NULL REMARK 999 REMARK 999 AN APPROPRIATE SEQUENCE DATABASE MATCH WAS NOT REMARK 999 FOUND USING BLAST. DBREF 1MTQ A 1 19 PDB 1MTQ 1MTQ 1 19 SEQRES 1 A 19 ILE ARG ASP CGU CYS CYS SER ASN PRO ALA CYS ARG VAL SEQRES 2 A 19 ASN ASN HYP HIS VAL CYS MODRES 1MTQ CGU A 4 GLU GAMMA-CARBOXY-GLUTAMIC ACID MODRES 1MTQ HYP A 16 PRO 4-HYDROXYPROLINE HET CGU A 4 17 HET HYP A 16 15 HETNAM CGU GAMMA-CARBOXY-GLUTAMIC ACID HETNAM HYP 4-HYDROXYPROLINE HETSYN HYP HYDROXYPROLINE FORMUL 1 CGU C6 H9 N O6 FORMUL 1 HYP C5 H9 N O3 HELIX 1 1 ASN A 8 ASN A 15 1 8 SSBOND 1 CYS A 5 CYS A 11 1555 1555 2.03 SSBOND 2 CYS A 6 CYS A 19 1555 1555 2.03 LINK C ASP A 3 N CGU A 4 1555 1555 1.32 LINK C CGU A 4 N CYS A 5 1555 1555 1.33 LINK C ASN A 15 N HYP A 16 1555 1555 1.34 LINK C HYP A 16 N HIS A 17 1555 1555 1.33 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