HEADER TOXIN 02-MAY-19 6OTB TITLE NMR STRUCTURE OF ALPHA CONOTOXIN SII COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CONOTOXIN S2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 51-69; COMPND 5 SYNONYM: ALPHA-CONOTOXIN SII; COMPND 6 ENGINEERED: YES 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 KEYWDS TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR Y.K.-Y.CHIN,P.WILHELM,P.F.ALEWOOD REVDAT 3 13-NOV-24 6OTB 1 REMARK REVDAT 2 14-JUN-23 6OTB 1 REMARK REVDAT 1 06-MAY-20 6OTB 0 JRNL AUTH P.WILHELM,Y.K.-Y.CHIN,K.LUNA-RAMIREZ,H.-S.TAE,G.F.KING, JRNL AUTH 2 D.J.ADAMS,P.F.ALEWOOD JRNL TITL STRUCTURAL AND PHARMACOLOGICAL CHARACTERIZATION OF JRNL TITL 2 ALPHA-CONOTOXIN SII: THE SOLE MEMBER OF FRAMEWORK II JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CYANA REMARK 3 AUTHORS : GUNTERT, MUMENTHALER AND WUTHRICH REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE AUTHORS STATE THAT THEY INITIALLY REMARK 3 CALCULATED AND KEPT 30 STRUCTURES ACCORDING TO THE STRUCTURES' REMARK 3 TARGET FUNCTION. THEN THEY SELECTED 20 OUT OF THE 30 ACCORDING REMARK 3 TO THE MOLPROBITY SCORE (I.E. STEREOCHEMICAL PROPERTIES). REMARK 4 REMARK 4 6OTB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-MAY-19. REMARK 100 THE DEPOSITION ID IS D_1000241310. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 6 REMARK 210 IONIC STRENGTH : 20 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 20 MM SODIUM PHOSPHATE, 2.1 MM REMARK 210 ALPHA CONOTOXIN SII, 95% H2O/5% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-15N HSQC; 2D 1H-13C HSQC; REMARK 210 2D 1H-1H TOCSY; 2D 1H-1H NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE III REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : TOPSPIN, CCPNMR ANALYSIS, TALOS, REMARK 210 CYANA REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 30 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : TARGET FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: NULL 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 4 -41.68 -137.65 REMARK 500 1 CYS A 18 59.21 -109.79 REMARK 500 2 CYS A 4 -41.60 -137.27 REMARK 500 3 CYS A 4 -41.69 -137.74 REMARK 500 4 CYS A 4 -41.76 -138.48 REMARK 500 5 CYS A 4 -41.81 -138.42 REMARK 500 6 CYS A 4 -41.63 -137.17 REMARK 500 7 CYS A 4 -41.67 -137.47 REMARK 500 8 CYS A 4 -41.74 -137.68 REMARK 500 9 CYS A 4 -41.94 -139.56 REMARK 500 10 CYS A 4 -41.68 -137.57 REMARK 500 11 CYS A 4 -41.64 -137.39 REMARK 500 12 CYS A 4 -41.69 -137.39 REMARK 500 13 CYS A 4 -41.62 -137.41 REMARK 500 14 CYS A 4 -41.69 -137.65 REMARK 500 15 CYS A 4 -41.64 -137.63 REMARK 500 16 CYS A 4 -41.80 -139.20 REMARK 500 17 CYS A 4 -41.70 -137.98 REMARK 500 18 CYS A 4 -41.73 -137.72 REMARK 500 19 CYS A 4 -41.68 -137.67 REMARK 500 20 CYS A 4 -41.49 -137.44 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 30299 RELATED DB: BMRB REMARK 900 NMR STRUCTURE OF ALPHA CONOTOXIN SII DBREF 6OTB A 1 19 UNP P28879 CAS2_CONST 51 69 SEQRES 1 A 19 GLY CYS CYS CYS ASN PRO ALA CYS GLY PRO ASN TYR GLY SEQRES 2 A 19 CYS GLY THR SER CYS SER HELIX 1 AA1 ASN A 5 GLY A 9 5 5 SSBOND 1 CYS A 2 CYS A 18 1555 1555 2.10 SSBOND 2 CYS A 3 CYS A 8 1555 1555 2.00 SSBOND 3 CYS A 4 CYS A 14 1555 1555 2.00 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