HEADER TOXIN 18-MAR-13 2M61 TITLE NMR AND MASS SPECTROMETRIC STUDIES OF M-2 BRANCH MINI-M CONOTOXINS TITLE 2 FROM INDIAN CONE SNAILS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CONOTOXIN AR1446; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CONOTOXIN AR1430 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CONUS ARANEOSUS; SOURCE 3 ORGANISM_COMMON: COBWEB CONE; SOURCE 4 ORGANISM_TAXID: 101286 KEYWDS CONOTOXINS, M-2 BRANCH, NMR SPECTROSCOPY, MASS SPECTROMETRY, TERTIARY KEYWDS 2 STRUCTURE, TOXIN EXPDTA SOLUTION NMR NUMMDL 30 AUTHOR S.P.SARMA,R.P.RAJESH,G.S.KUMAR,S.SUDARSLAL,V.SABAREESH,K.H.GOWD, AUTHOR 2 K.GUPTA,K.S.KRISHNAN,P.BALARAM REVDAT 1 16-APR-14 2M61 0 JRNL AUTH S.P.SARMA,R.P.RAJESH,G.S.KUMAR,S.SUDARSLAL,V.SABAREESH, JRNL AUTH 2 K.H.GOWD,K.GUPTA,K.S.KRISHNAN,P.BALARAM JRNL TITL NMR AND MASS SPECTROMETRIC STUDIES OF M-2 BRANCH MINI-M JRNL TITL 2 CONOTOXINS FROM INDIAN CONE SNAILS 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 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2M61 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 28-MAR-13. REMARK 100 THE RCSB ID CODE IS RCSB103253. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : NULL REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 0.2MM AR1446, METHANOL-1, REMARK 210 METHANOL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D DQF-COSY; 2D 1H-1H TOCSY; 2D REMARK 210 1H-1H NOESY; 2D 1H-13C HSQC REMARK 210 SPECTROMETER FIELD STRENGTH : 700 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : TORSION ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 75 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 30 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 ARG A 3 -63.15 -92.93 REMARK 500 1 LEU A 8 59.21 -90.47 REMARK 500 2 ARG A 3 -63.17 -92.95 REMARK 500 2 LEU A 8 59.25 -90.54 REMARK 500 3 ARG A 3 -63.22 -92.89 REMARK 500 3 LEU A 8 59.24 -90.54 REMARK 500 4 ARG A 3 -63.20 -92.92 REMARK 500 4 LEU A 8 59.28 -90.55 REMARK 500 5 ARG A 3 -63.14 -92.88 REMARK 500 5 LEU A 8 59.27 -90.57 REMARK 500 6 ARG A 3 -63.21 -92.87 REMARK 500 6 LEU A 8 59.30 -90.60 REMARK 500 7 ARG A 3 -63.20 -92.95 REMARK 500 7 LEU A 8 59.22 -90.53 REMARK 500 8 ARG A 3 -63.18 -92.97 REMARK 500 8 LEU A 8 59.31 -90.56 REMARK 500 9 ARG A 3 -63.17 -92.91 REMARK 500 9 LEU A 8 59.34 -90.59 REMARK 500 10 ARG A 3 -63.11 -92.93 REMARK 500 10 LEU A 8 59.28 -90.50 REMARK 500 11 ARG A 3 -63.21 -92.88 REMARK 500 11 LEU A 8 59.29 -90.55 REMARK 500 12 ARG A 3 -63.19 -92.93 REMARK 500 12 LEU A 8 59.25 -90.51 REMARK 500 13 ARG A 3 -63.22 -92.94 REMARK 500 13 LEU A 8 59.27 -90.53 REMARK 500 14 ARG A 3 -63.25 -92.89 REMARK 500 14 LEU A 8 59.30 -90.55 REMARK 500 15 ARG A 3 -63.17 -92.92 REMARK 500 15 LEU A 8 59.33 -90.54 REMARK 500 16 ARG A 3 -63.21 -92.91 REMARK 500 16 LEU A 8 59.32 -90.58 REMARK 500 17 ARG A 3 -63.15 -92.91 REMARK 500 17 LEU A 8 59.25 -90.56 REMARK 500 18 ARG A 3 -63.24 -92.85 REMARK 500 18 LEU A 8 59.27 -90.54 REMARK 500 19 ARG A 3 -63.22 -92.89 REMARK 500 19 LEU A 8 59.29 -90.52 REMARK 500 20 ARG A 3 -63.22 -92.89 REMARK 500 20 LEU A 8 59.27 -90.54 REMARK 500 21 ARG A 3 -63.22 -92.94 REMARK 500 21 LEU A 8 59.23 -90.51 REMARK 500 22 ARG A 3 -63.24 -92.88 REMARK 500 22 LEU A 8 59.25 -90.49 REMARK 500 23 ARG A 3 -63.18 -92.88 REMARK 500 23 LEU A 8 59.26 -90.50 REMARK 500 24 ARG A 3 -63.25 -92.90 REMARK 500 24 LEU A 8 59.29 -90.54 REMARK 500 25 ARG A 3 -63.22 -92.95 REMARK 500 25 LEU A 8 59.22 -90.54 REMARK 500 REMARK 500 THIS ENTRY HAS 60 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 19102 RELATED DB: BMRB REMARK 900 RELATED ID: 2M62 RELATED DB: PDB DBREF 2M61 A 1 14 UNP P0CI24 TXM46_CONAO 1 14 SEQADV 2M61 NH2 A 15 UNP P0CI24 AMIDATION SEQRES 1 A 15 CYS CYS ARG LEU ALA CYS GLY LEU GLY CYS HIS HYP CYS SEQRES 2 A 15 CYS NH2 MODRES 2M61 HYP A 12 PRO 4-HYDROXYPROLINE HET HYP A 12 15 HET NH2 A 15 3 HETNAM HYP 4-HYDROXYPROLINE HETNAM NH2 AMINO GROUP HETSYN HYP HYDROXYPROLINE FORMUL 1 HYP C5 H9 N O3 FORMUL 1 NH2 H2 N HELIX 1 1 LEU A 4 LEU A 8 5 5 SSBOND 1 CYS A 1 CYS A 14 1555 1555 2.06 SSBOND 2 CYS A 2 CYS A 10 1555 1555 2.07 SSBOND 3 CYS A 6 CYS A 13 1555 1555 2.12 LINK C HIS A 11 N HYP A 12 1555 1555 1.34 LINK C HYP A 12 N CYS A 13 1555 1555 1.33 LINK C CYS A 14 N NH2 A 15 1555 1555 1.33 CISPEP 1 HIS A 11 HYP A 12 1 0.01 CISPEP 2 HIS A 11 HYP A 12 2 0.04 CISPEP 3 HIS A 11 HYP A 12 3 0.07 CISPEP 4 HIS A 11 HYP A 12 4 0.05 CISPEP 5 HIS A 11 HYP A 12 5 -0.07 CISPEP 6 HIS A 11 HYP A 12 6 0.03 CISPEP 7 HIS A 11 HYP A 12 7 0.03 CISPEP 8 HIS A 11 HYP A 12 8 0.00 CISPEP 9 HIS A 11 HYP A 12 9 -0.01 CISPEP 10 HIS A 11 HYP A 12 10 0.02 CISPEP 11 HIS A 11 HYP A 12 11 -0.04 CISPEP 12 HIS A 11 HYP A 12 12 0.02 CISPEP 13 HIS A 11 HYP A 12 13 -0.01 CISPEP 14 HIS A 11 HYP A 12 14 0.05 CISPEP 15 HIS A 11 HYP A 12 15 -0.03 CISPEP 16 HIS A 11 HYP A 12 16 0.00 CISPEP 17 HIS A 11 HYP A 12 17 0.04 CISPEP 18 HIS A 11 HYP A 12 18 0.01 CISPEP 19 HIS A 11 HYP A 12 19 0.03 CISPEP 20 HIS A 11 HYP A 12 20 0.03 CISPEP 21 HIS A 11 HYP A 12 21 0.07 CISPEP 22 HIS A 11 HYP A 12 22 0.03 CISPEP 23 HIS A 11 HYP A 12 23 0.04 CISPEP 24 HIS A 11 HYP A 12 24 -0.03 CISPEP 25 HIS A 11 HYP A 12 25 0.01 CISPEP 26 HIS A 11 HYP A 12 26 0.04 CISPEP 27 HIS A 11 HYP A 12 27 -0.05 CISPEP 28 HIS A 11 HYP A 12 28 0.03 CISPEP 29 HIS A 11 HYP A 12 29 0.06 CISPEP 30 HIS A 11 HYP A 12 30 0.00 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