HEADER TOXIN 04-OCT-17 6ENA TITLE NEMERTIDE ALPHA-1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: NEMERTIDE ALPHA-1; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 ORGANISM_SCIENTIFIC: LINEUS LONGISSIMUS; SOURCE 4 ORGANISM_TAXID: 88925 KEYWDS NEMERTEA, LINEUS LONGISSIMUS, TOXIN, INHIBITOR CYSTINE KNOT EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR E.JACOBSSON,K.J.ROSENGREN,U.GORANSSON REVDAT 3 14-JUN-23 6ENA 1 REMARK REVDAT 2 08-MAY-19 6ENA 1 REMARK REVDAT 1 14-MAR-18 6ENA 0 JRNL AUTH E.JACOBSSON,H.S.ANDERSSON,M.STRAND,S.PEIGNEUR,C.ERIKSSON, JRNL AUTH 2 H.LODEN,M.SHARIATGORJI,P.E.ANDREN,K.M.LEBBE,K.J.ROSENGREN, JRNL AUTH 3 J.TYTGAT,U.GORANSSON JRNL TITL LINEUS LONGISSIMUS, THE LONGEST ANIMAL ON EARTH, EXPRESSES JRNL TITL 2 PEPTIDE TOXINS TARGETING VOLTAGE GATED SODIUM CHANNELS JRNL REF SCI REP 2018 JRNL REFN ESSN 2045-2322 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.2 REMARK 3 AUTHORS : BRUNGER, ADAMS, CLORE, GROS, NILGES AND READ REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: INITIAL STRUCTURES WERE CALCULATED REMARK 3 USING TORSION ANGLE DYNAMICS AND THE STRUCTURES WERE REMARK 3 SUBSEQUENTLY REFINED AND ENERGY MINIMISED USING CARTESIAN REMARK 3 DYNAMICS IN EXPLICIT SOLVENT. PROTOCOLS FROM THE RECOORD DATA REMARK 3 BASE WERE USED. REMARK 4 REMARK 4 6ENA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 04-OCT-17. REMARK 100 THE DEPOSITION ID IS D_1200006886. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298; 298 REMARK 210 PH : 4.1; 4.1 REMARK 210 IONIC STRENGTH : 0; 0 REMARK 210 PRESSURE : AMBIENT ATM; AMBIENT ATM REMARK 210 SAMPLE CONTENTS : 3 MG/ML NEMERTIDE ALPHA-1, 90% REMARK 210 H2O/10% D2O; 3 MG/ML NEMERTIDE REMARK 210 ALPHA-1, 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D 1H-1H NOESY; 2D 1H-13C HSQC; REMARK 210 2D 1H-15N HSQC; 2D 1H-1H TOCSY; REMARK 210 2D 1H-1H ECOSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : CYANA 3.97, CARA, TOPSPIN 2.1 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : LOWEST MOLPROBITY SCORE 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 2430 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 KCAL/MOL 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 ASN A 30 71.22 58.54 REMARK 500 2 ASN A 30 15.41 -140.68 REMARK 500 7 ASN A 30 -62.77 -142.05 REMARK 500 8 ASN A 30 -40.19 -156.08 REMARK 500 11 ASN A 30 -57.48 -125.04 REMARK 500 13 ASN A 30 -64.23 -134.54 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 34183 RELATED DB: BMRB REMARK 900 NEMERTIDE ALPHA-1 DBREF 6ENA A 1 31 PDB 6ENA 6ENA 1 31 SEQRES 1 A 31 GLY CYS ILE ALA THR GLY SER PHE CYS THR LEU SER LYS SEQRES 2 A 31 GLY CYS CYS THR LYS ASN CYS GLY TRP ASN PHE LYS CYS SEQRES 3 A 31 ASN HYP HYP ASN GLN HET HYP A 28 15 HET HYP A 29 15 HETNAM HYP 4-HYDROXYPROLINE HETSYN HYP HYDROXYPROLINE FORMUL 1 HYP 2(C5 H9 N O3) HELIX 1 AA1 LEU A 11 CYS A 15 5 5 SSBOND 1 CYS A 2 CYS A 16 1555 1555 2.01 SSBOND 2 CYS A 9 CYS A 20 1555 1555 2.00 SSBOND 3 CYS A 15 CYS A 26 1555 1555 2.02 LINK C ASN A 27 N HYP A 28 1555 1555 1.33 LINK C HYP A 28 N HYP A 29 1555 1555 1.33 LINK C HYP A 29 N ASN A 30 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