HEADER CONOTOXIN 08-OCT-99 1QMW TITLE SOLUTION STRUCTURE OF ALPHA-CONOTOXIN SI COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CONOTOXIN SI; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: SI (2-7,3-13); COMPND 5 ENGINEERED: YES; COMPND 6 OTHER_DETAILS: AMIDATED C-TERMINUS SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: CONUS STRIATUS; SOURCE 4 ORGANISM_COMMON: STRIATED CONE; SOURCE 5 ORGANISM_TAXID: 6493; SOURCE 6 OTHER_DETAILS: SYNTHESISED BY SOLID PHASE PEPTIDE CHEMISTRY KEYWDS CONOTOXIN, NICOTINIC ACETYLCHOLINE RECEPTOR, TOXIN, VENOM EXPDTA SOLUTION NMR NUMMDL 36 AUTHOR A.J.BENIE,D.WHITFORD,B.HARGITTAI,G.BARANY,R.W.JANES REVDAT 6 06-NOV-24 1QMW 1 REMARK REVDAT 5 14-JUN-23 1QMW 1 REMARK REVDAT 4 15-JAN-20 1QMW 1 LINK REVDAT 3 24-FEB-09 1QMW 1 VERSN REVDAT 2 05-FEB-04 1QMW 1 SOURCE SEQRES REVDAT 1 25-AUG-00 1QMW 0 JRNL AUTH A.J.BENIE,D.WHITFORD,B.HARGITTAI,G.BARANY,R.W.JANES JRNL TITL SOLUTION STRUCTURE OF ALPHA-CONOTOXIN SI JRNL REF FEBS LETT. V. 476 287 2000 JRNL REFN ISSN 0014-5793 JRNL PMID 10913630 JRNL DOI 10.1016/S0014-5793(00)01724-5 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DYANA REMARK 3 AUTHORS : GUNTERT,WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REFINEMENT DETAILS CAN BE FOUND IN THE REMARK 3 JRNL CITATION ABOVE. REMARK 4 REMARK 4 1QMW COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 08-OCT-99. REMARK 100 THE DEPOSITION ID IS D_1290004180. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 283 REMARK 210 PH : 4.2 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : 90% WATER/10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : COSY; TOCSY; NOESY; HSQC; 2D J REMARK 210 RESOLVED REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ REMARK 210 SPECTROMETER MODEL : UNITYPLUS; AMX REMARK 210 SPECTROMETER MANUFACTURER : VARIAN; BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DYANA REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 36 REMARK 210 CONFORMERS, SELECTION CRITERIA : LOWEST ENERGY STRUCTURES REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED FROM A 2D HOMONUCLEAR NOESY REMARK 210 SPECTRUM WITH A MIXING TIME OF 250MS. 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: 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 CYS A 2 111.71 -160.07 REMARK 500 2 CYS A 2 111.82 -161.15 REMARK 500 3 CYS A 2 111.14 -161.89 REMARK 500 4 CYS A 2 111.27 -162.39 REMARK 500 5 CYS A 2 111.73 -161.12 REMARK 500 6 CYS A 2 110.61 -160.43 REMARK 500 7 SER A 12 67.90 -152.55 REMARK 500 9 CYS A 2 111.39 -160.37 REMARK 500 10 CYS A 2 111.81 -161.18 REMARK 500 11 CYS A 2 111.63 -161.95 REMARK 500 12 SER A 12 64.90 -152.30 REMARK 500 17 SER A 12 67.57 -153.34 REMARK 500 19 SER A 12 64.21 -153.20 REMARK 500 20 CYS A 3 71.69 -107.65 REMARK 500 23 CYS A 3 72.27 -107.76 REMARK 500 23 SER A 12 66.83 -151.66 REMARK 500 24 CYS A 2 116.39 -161.35 REMARK 500 26 CYS A 2 105.81 -161.69 REMARK 500 33 CYS A 3 68.43 -151.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4503 RELATED DB: BMRB DBREF 1QMW A 1 13 UNP P15471 CXA1_CONST 1 13 SEQRES 1 A 14 ILE CYS CYS ASN PRO ALA CYS GLY PRO LYS TYR SER CYS SEQRES 2 A 14 NH2 HET NH2 A 14 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 ASN A 4 GLY A 8 5 5 HELIX 2 2 CYS A 7 TYR A 11 5 5 SSBOND 1 CYS A 2 CYS A 7 1555 1555 1.88 SSBOND 2 CYS A 3 CYS A 13 1555 1555 2.17 LINK C CYS A 13 N NH2 A 14 1555 1555 1.32 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