HEADER TOXIN/PEPTIDE 05-APR-01 1HAA TITLE A BETA-HAIRPIN STRUCTURE IN A 13-MER PEPTIDE THAT BINDS TITLE 2 A-BUNGAROTOXIN WITH HIGH AFFINITY AND NEUTRALIZES ITS TITLE 3 TOXICITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-BUNGAROTOXIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: LONG NEUROTOXIN 1, BGTX, ALPHA-BTX, A-BTX; COMPND 5 OTHER_DETAILS: ALPHA-NEUROTOXIN; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PEPTIDE; COMPND 8 CHAIN: B; COMPND 9 SYNONYM: HIGH AFFINITY PEPTIDE; COMPND 10 OTHER_DETAILS: A CHEMICALLY SYNTHESIZED PEPTIDE THAT COMPND 11 INHIBITS A-BTX BINDING TO ACHR WITH AN IC50 OF 2 NM SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BUNGARUS MULTICINCTUS; SOURCE 3 ORGANISM_COMMON: MANY-BANDED KRAIT; SOURCE 4 ORGANISM_TAXID: 8616; SOURCE 5 SECRETION: VENOM; SOURCE 6 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES; SOURCE 8 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 9 ORGANISM_TAXID: 32630; SOURCE 10 OTHER_DETAILS: MIMOTOPE OF THE NICOTINIC ACETYLCHOLINE SOURCE 11 RECEPTOR KEYWDS TOXIN/PEPTIDE, COMPLEX (TOXIN/PEPTIDE), ACETYLCHOLINE KEYWDS 2 RECEPTOR MIMITOPE, ALPHA-BUNGAROTOXIN, PROTEIN-PEPTIDE KEYWDS 3 COMPLEX, TOXIN, BETA-HAIRPIN EXPDTA SOLUTION NMR MDLTYP MINIMIZED AVERAGE AUTHOR T.SCHERF,R.KASHER,M.BALASS,M.FRIDKIN,S.FUCHS, AUTHOR 2 E.KATCHALSKI-KATZIR REVDAT 4 08-FEB-17 1HAA 1 SOURCE REMARK VERSN REVDAT 3 24-FEB-09 1HAA 1 VERSN REVDAT 2 16-AUG-01 1HAA 1 SHEET REVDAT 1 25-MAY-01 1HAA 0 JRNL AUTH T.SCHERF,R.KASHER,M.BALASS,M.FRIDKIN,S.FUCHS, JRNL AUTH 2 E.KATCHALSKI-KATZIR JRNL TITL A BETA-HAIRPIN STRUCTURE IN A 13-MER PEPTIDE THAT JRNL TITL 2 BINDS ALPHA-BUNGAROTOXIN WITH HIGH AFFINITY AND JRNL TITL 3 NEUTRALIZES ITS TOXICITY JRNL REF PROC.NATL.ACAD.SCI.USA V. 98 6629 2001 JRNL REFN ISSN 0027-8424 JRNL PMID 11381118 JRNL DOI 10.1073/PNAS.111164298 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.KASHER,M.BALASS,T.SCHERF,M.FRIDKIN,S.FUCHS, REMARK 1 AUTH 2 E.KATCHALSKI-KATZIR REMARK 1 TITL DESIGN AND SYNTHESIS OF PEPTIDES THAT BIND REMARK 1 TITL 2 A-BUNGAROTOXIN WITH HIGH AFFINITY REMARK 1 REF CHEM.BIOL. V. 8 147 2001 REMARK 1 REFN ISSN 1074-5521 REMARK 1 PMID 11251289 REMARK 1 DOI 10.1016/S1074-5521(00)90063-2 REMARK 1 REFERENCE 2 REMARK 1 AUTH T.SCHERF,M.BALASS,M.FRIDKIN,S.FUCHS, REMARK 1 AUTH 2 E.KATCHALSKI-KATZIR,J.ANGLISTER REMARK 1 TITL THREE-DIMENSIONAL SOLUTION STRUCTURE OF THE REMARK 1 TITL 2 COMPLEX OF A-BUNGAROTOXIN WITH A LIBRARY-DERIVED REMARK 1 TITL 3 PEPTIDE REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 94 6059 1997 REMARK 1 REFN ISSN 0027-8424 REMARK 1 PMID 9177168 REMARK 1 DOI 10.1073/PNAS.94.12.6059 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 REMARK 3 AUTHORS : BRUNGER, ADAMS, CLORE, DELANO, GROS ET AL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RMS DEVIATIONS FROM IDEAL VALUES: REMARK 3 BOND LENGTH (A) 0.0033, ANGLES (DEG) 0.52 IMPROPERS (DEG) 0.45 REMARK 4 REMARK 4 1HAA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 05-APR-01. REMARK 100 THE PDBE ID CODE IS EBI-6057. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 303 REMARK 210 PH : 6 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1MM COMPLEX IN 90% WATER,10% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY; HOHAHA; DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 800 MHZ REMARK 210 SPECTROMETER MODEL : DMX500; DRX800 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR, AURELIA, CNS REMARK 210 METHOD USED : DISTANCE GEOMETRY, REMARK 210 DYNAMICAL SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : NULL REMARK 210 CONFORMERS, NUMBER SUBMITTED : 1 REMARK 210 CONFORMERS, SELECTION CRITERIA : NO RESTRAINT VIOLATION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: MINIMIZED AVERAGE STRUCTURE. THE STRUCTURE WAS REMARK 210 DETERMINED USING STANDARD 2D 1H-NMR SPECTROSCOPY. 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: DIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 400 REMARK 400 COMPOUND REMARK 400 THE PEPTIDE BINDS ALPHA-BUNGAROTOXIN AND THUS INHIBITS THE REMARK 400 BINDING OF THE TOXIN TO THE NICOTINIC RECEPTORS. REMARK 400 THE OBSERVED QUATERNARY STATE IS MONOMERIC IN SOLUTION WHILE REMARK 400 IN THE CRYSTAL STRUCTURES IT IS OBSERVED TO BE DIMERIC REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 O TRP A 28 - H VAL A 39 1.58 REMARK 500 O ASP A 30 - N PHE A 32 2.02 REMARK 500 O ASP A 30 - H PHE A 32 1.38 REMARK 500 H ASP A 30 - O GLY A 37 1.58 REMARK 500 HB3 PHE A 32 - H ARG A 36 1.58 REMARK 500 H VAL A 40 - O TYR B 77 1.60 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 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 THR A 8 -168.50 -69.83 REMARK 500 TRP A 28 121.22 -170.58 REMARK 500 ALA A 31 56.57 -36.15 REMARK 500 PHE A 32 29.12 -172.92 REMARK 500 SER A 35 -79.66 -97.10 REMARK 500 LYS A 38 107.03 -39.56 REMARK 500 PRO A 49 -179.38 -68.05 REMARK 500 SER A 50 -174.99 -58.95 REMARK 500 TYR A 54 -75.71 -91.88 REMARK 500 SER A 61 55.63 -114.92 REMARK 500 LYS A 64 41.42 34.90 REMARK 500 ASN A 66 57.89 -113.23 REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 DETERMINATION METHOD: KABSCH AND SANDER ALGORITHM REMARK 700 STRAND: S1A 1; STRANDS S2D & S2E FORM B-HAIRPIN WITHIN THE REMARK 700 BOUND PEPTIDE, THAT COMBINES TO S2A-S2C TO FORM REMARK 700 INTERMOLECULAR 5-STRANDED BETA-SHEET. REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1ABT RELATED DB: PDB REMARK 900 ALPHA-BUNGAROTOXIN COMPLEXED WITH THE 185 - REMARK 900 196 FRAGMENT OF THE ALPHA-SUBUNIT OF THE REMARK 900 TORPEDO NICOTINIC ACETYLCHOLINE RECEPTOR (NMR, REMARK 900 4 STRUCTURES) REMARK 900 RELATED ID: 1BXP RELATED DB: PDB REMARK 900 SOLUTION NMR STRUCTURE OF THE COMPLEX OF REMARK 900 ALPHA-BUNGAROTOXIN WITH A LIBRARY DERIVED REMARK 900 PEPTIDE, 20 STRUCTURES REMARK 900 RELATED ID: 1HN7 RELATED DB: PDB REMARK 900 NMR STRUCTURE OF THE COMPLEX BETWEEN A- REMARK 900 BUNGAROTOXIN AND AMIMOTOPE OF THE NICOTINIC REMARK 900 ACETILCHOLINE RECEPTOR REMARK 900 RELATED ID: 1HOY RELATED DB: PDB REMARK 900 NMR STRUCTURE OF THE COMPLEX BETWEEN A- REMARK 900 BUNGAROTOXIN AND AMIMOTOPE OF THE NICOTINIC REMARK 900 ACETILCHOLINE RECEPTOR REMARK 900 RELATED ID: 2BTX RELATED DB: PDB REMARK 900 SOLUTION NMR STRUCTURE OF THE COMPLEX OF REMARK 900 ALPHA-BUNGAROTOXIN WITH A LIBRARY DERIVED REMARK 900 PEPTIDE, NMR, MINIMIZED AVERAGE STRUCTURE REMARK 900 RELATED ID: 1HAJ RELATED DB: PDB REMARK 900 A BETA-HAIRPIN STRUCTURE IN A 13-MER REMARK 900 PEPTIDE THAT BINDS A-BUNGAROTOXIN WITH HIGH REMARK 900 AFFINITY AND NEUTRALIZES ITS TOXICITY DBREF 1HAA A 1 74 UNP P01378 NXL1_BUNMU 1 74 DBREF 1HAA B 75 87 PDB 1HAA 1HAA 75 87 SEQRES 1 A 74 ILE VAL CYS HIS THR THR ALA THR SER PRO ILE SER ALA SEQRES 2 A 74 VAL THR CYS PRO PRO GLY GLU ASN LEU CYS TYR ARG LYS SEQRES 3 A 74 MET TRP CYS ASP ALA PHE CYS SER SER ARG GLY LYS VAL SEQRES 4 A 74 VAL GLU LEU GLY CYS ALA ALA THR CYS PRO SER LYS LYS SEQRES 5 A 74 PRO TYR GLU GLU VAL THR CYS CYS SER THR ASP LYS CYS SEQRES 6 A 74 ASN PRO HIS PRO LYS GLN ARG PRO GLY SEQRES 1 B 13 TRP ARG TYR TYR GLU SER SER LEU GLU PRO TYR PRO ASP SHEET 1 S1A 2 VAL A 2 THR A 5 0 SHEET 2 S1A 2 SER A 12 THR A 15 -1 O SER A 12 N THR A 5 SHEET 1 S2B 4 GLU A 56 CYS A 60 0 SHEET 2 S2B 4 LEU A 22 ASP A 30 -1 O CYS A 23 N CYS A 60 SHEET 3 S2B 4 GLY A 37 ALA A 45 -1 O GLY A 37 N ASP A 30 SHEET 4 S2B 4 ARG B 76 TYR B 78 -1 O TYR B 77 N VAL A 40 SHEET 1 S3C 1 PRO B 84 TYR B 85 0 SSBOND 1 CYS A 3 CYS A 23 1555 1555 2.03 SSBOND 2 CYS A 16 CYS A 44 1555 1555 2.03 SSBOND 3 CYS A 29 CYS A 33 1555 1555 2.04 SSBOND 4 CYS A 48 CYS A 59 1555 1555 2.03 SSBOND 5 CYS A 60 CYS A 65 1555 1555 2.03 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