HEADER TOXIN 18-DEC-17 6BX9 TITLE SOLUTION STRUCTURE OF CONOTOXIN REG3B COMPND MOL_ID: 1; COMPND 2 MOLECULE: CONOTOXIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: REG3B SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CONUS REGIUS; SOURCE 3 ORGANISM_COMMON: CROWN CONE; SOURCE 4 ORGANISM_TAXID: 101314; SOURCE 5 OTHER_DETAILS: VENOM DUCT KEYWDS MINI-M, MULTI-TURN SCAFFOLD, TOXIN EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR F.MARI,S.DOVELL REVDAT 6 14-JUN-23 6BX9 1 SSBOND REVDAT 5 01-JAN-20 6BX9 1 REMARK REVDAT 4 21-MAR-18 6BX9 1 JRNL REVDAT 3 14-FEB-18 6BX9 1 JRNL REVDAT 2 31-JAN-18 6BX9 1 JRNL REVDAT 1 24-JAN-18 6BX9 0 JRNL AUTH A.FRANCO,S.DOVELL,C.MOLLER,M.GRANDAL,E.CLARK,F.MARI JRNL TITL STRUCTURAL PLASTICITY OF MINI-M CONOTOXINS - EXPRESSION OF JRNL TITL 2 ALL MINI-M SUBTYPES BY CONUS REGIUS. JRNL REF FEBS J. V. 285 887 2018 JRNL REFN ISSN 1742-4658 JRNL PMID 29283511 JRNL DOI 10.1111/FEBS.14372 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR NIH REMARK 3 AUTHORS : SCHWIETERS, KUSZEWSKI, TJANDRA AND CLORE REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: TORSION ANGLE DYNAMICS REMARK 4 REMARK 4 6BX9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-DEC-17. REMARK 100 THE DEPOSITION ID IS D_1000231707. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298; 273; 283 REMARK 210 PH : 3.5; 3.5; 3.5 REMARK 210 IONIC STRENGTH : LOW-MEDIUM; LOW-MEDIUM; LOW REMARK 210 -MEDIUM REMARK 210 PRESSURE : 1 ATM; 1 ATM; 1 ATM REMARK 210 SAMPLE CONTENTS : 1.275 MM REG3B, 10 % [U-99% 2H] REMARK 210 D2O, 0.025 MM TSP, 90 % H2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D_NOESY; 2D_TOCSY; DQF-COSY; 2D REMARK 210 1H-1H NOESY; 2D 1H-1H TOCSY; 1D REMARK 210 1H EXCHANGE REMARK 210 SPECTROMETER FIELD STRENGTH : 900 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR, X-PLOR NIH 2.21, SPARKY, REMARK 210 AQUA, PROCHECK REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 100 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST REMARK 210 ENERGY 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: 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 OG1 THR A 3 H ALA A 4 1.52 REMARK 500 O HIS A 10 H LEU A 12 1.53 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 THR A 3 -77.12 -120.94 REMARK 500 1 ALA A 4 -44.41 -150.06 REMARK 500 1 LEU A 5 94.48 -44.12 REMARK 500 1 CYS A 6 27.53 -74.75 REMARK 500 1 ARG A 8 28.37 -72.87 REMARK 500 1 CYS A 11 -57.53 64.68 REMARK 500 1 LEU A 12 -42.34 133.44 REMARK 500 1 PRO A 13 -158.61 -73.59 REMARK 500 2 THR A 3 -97.87 -139.54 REMARK 500 2 ALA A 4 -51.71 -141.04 REMARK 500 2 LEU A 5 93.20 -34.70 REMARK 500 2 CYS A 6 35.21 -66.58 REMARK 500 2 ARG A 8 16.52 -69.94 REMARK 500 2 CYS A 11 -30.69 57.15 REMARK 500 2 LEU A 12 -38.51 123.40 REMARK 500 2 PRO A 13 -143.11 -51.35 REMARK 500 2 CYS A 14 113.42 -163.44 REMARK 500 3 CYS A 2 -45.89 -160.39 REMARK 500 3 THR A 3 -73.90 -147.85 REMARK 500 3 ALA A 4 -60.78 -152.94 REMARK 500 3 LEU A 5 109.44 -37.18 REMARK 500 3 CYS A 6 42.30 -84.66 REMARK 500 3 CYS A 11 -42.36 65.53 REMARK 500 3 LEU A 12 -41.06 125.78 REMARK 500 3 PRO A 13 -166.94 -74.13 REMARK 500 4 THR A 3 -93.54 -139.68 REMARK 500 4 ALA A 4 -53.65 -132.55 REMARK 500 4 LEU A 5 109.45 -39.41 REMARK 500 4 CYS A 6 32.01 -90.37 REMARK 500 4 ARG A 8 42.24 -69.80 REMARK 500 4 TYR A 9 -30.61 -132.81 REMARK 500 4 CYS A 11 -67.84 67.18 REMARK 500 4 LEU A 12 -40.95 120.90 REMARK 500 4 PRO A 13 -8.54 -44.64 REMARK 500 4 CYS A 14 143.36 65.14 REMARK 500 5 THR A 3 -102.35 -142.40 REMARK 500 5 ALA A 4 -54.52 -131.54 REMARK 500 5 LEU A 5 100.04 -32.94 REMARK 500 5 CYS A 6 40.12 -73.09 REMARK 500 5 CYS A 11 -44.23 64.49 REMARK 500 5 LEU A 12 -40.73 130.88 REMARK 500 5 PRO A 13 -153.28 -74.02 REMARK 500 6 CYS A 2 -70.37 -58.72 REMARK 500 6 THR A 3 -73.10 -97.06 REMARK 500 6 ALA A 4 -43.27 -168.08 REMARK 500 6 LEU A 5 87.38 -37.69 REMARK 500 6 CYS A 6 33.25 -68.92 REMARK 500 6 ARG A 8 28.92 -75.00 REMARK 500 6 CYS A 11 -64.76 60.34 REMARK 500 6 LEU A 12 -57.83 133.48 REMARK 500 REMARK 500 THIS ENTRY HAS 160 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 30385 RELATED DB: BMRB REMARK 900 SOLUTION STRUCTURE OF CONOTOXIN REG3B DBREF 6BX9 A 1 15 UNP P85021 CMCC_CONRE 1 15 SEQRES 1 A 15 CYS CYS THR ALA LEU CYS SER ARG TYR HIS CYS LEU PRO SEQRES 2 A 15 CYS CYS SSBOND 1 CYS A 1 CYS A 15 1555 1555 2.01 SSBOND 2 CYS A 2 CYS A 11 1555 1555 2.02 SSBOND 3 CYS A 6 CYS A 14 1555 1555 2.02 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