HEADER DE NOVO PROTEIN 21-DEC-00 1HRX OBSLTE 24-APR-02 1HRX 1LE1 TITLE NMR STRUCTURE OF TRYPTOPHAN ZIPPER 2: A STABLE, MONOMERIC TITLE 2 BETA-HAIRPIN WITH A TYPE I' TURN COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPTOPHAN ZIPPER 2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE WAS DESIGNED BASED ON SOURCE 4 EXPERIMENTAL DATA OBTAINED FROM A MODEL SYSTEM. THE SOURCE 5 PEPTIDE WAS SYNTHESIZED CHEMICALLY AND IS NOT FOUND IN SOURCE 6 NATURE. KEYWDS BETA-HAIRPIN, TYPE I' TURN EXPDTA NMR, 20 STRUCTURES AUTHOR A.G.COCHRAN,N.J.SKELTON,M.A.STAROVASNIK REVDAT 2 24-APR-02 1HRX 1 OBSLTE REVDAT 1 06-JUN-01 1HRX 0 JRNL AUTH A.G.COCHRAN,N.J.SKELTON,M.A.STAROVASNIK JRNL TITL TRYPTOPHAN ZIPPERS: STABLE, MONOMERIC BETA-HAIRPINS JRNL REF PROC.NATL.ACAD.SCI.USA V. 98 5578 2001 JRNL REFN ASTM PNASA6 US ISSN 0027-8424 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DISCOVER 98.0 REMARK 3 AUTHORS : MOLECULAR SIMULATIONS, INC. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURE IS BASED ON 84 NOE- REMARK 3 DERIVED DISTANCE RESTRAINTS AND 15 DIHEDRAL ANGLE RESTRAINTS. REMARK 3 THERE ARE NO DISTANCE OR DIHEDRAL ANGLE VIOLATIONS GREATER REMARK 3 THAN 0.1 ANGSTROM OR 2 DEGREES, RESPECTIVELY. REMARK 4 REMARK 4 1HRX COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-DEC-2000. REMARK 100 THE RCSB ID CODE IS RCSB012550. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 288 REMARK 210 PH : 5.5 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 3 MM TRPZIP2, 92% H2O, 8% REMARK 210 D2O, PH 5.5; 3 MM TRPZIP2, REMARK 210 100% D2O, PH 5.5 REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, DQF-COSY, 2D TOCSY, REMARK 210 2D ROESY, 2D COSY-35 REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ, 600 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.5, FELIX 98.0, DGII REMARK 210 98.0 REMARK 210 METHOD USED : HYBRID DISTANCE GEOMETRY/ REMARK 210 SIMULATED ANNEALING FOLLOWED REMARK 210 BY RESTRAINED MOLECULAR REMARK 210 DYNAMICS. REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH ACCEPTABLE REMARK 210 COVALENT GEOMETRY,STRUCTURES REMARK 210 WITH THE LEAST RESTRAINT REMARK 210 VIOLATIONS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES. BACKBONE HN-HA COUPLING CONSTANTS WERE REMARK 210 OBTAINED BY FITTING LORENTZIAN LINES TO THE ANTIPHASE DOUBLETS REMARK 210 OF HN-HA PEAKS IN A 2QF-COSY SPECTRUM PROCESSED TO HIGH REMARK 210 DIGITAL RESOLUTION IN F2. HA-HB COUPLING CONSTANTS WERE REMARK 210 EXTRACTED FROM A COSY-35 SPECTRUM OBTAINED ON A D2O SOLUTION REMARK 210 OF THE PEPTIDE. 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 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HRW RELATED DB: PDB REMARK 900 1HRW CONTAINS TRYPTOPHAN ZIPPER 1 REMARK 900 RELATED ID: 1HS0 RELATED DB: PDB REMARK 900 1HS0 CONTAINS TRYPTOPHAN ZIPPER 4 SEQRES 1 A 13 SER TRP THR TRP GLU ASN GLY LYS TRP THR TRP LYS NH2 HET NH2 A 13 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H3 N SHEET 1 A 2 TRP A 2 GLU A 5 0 SHEET 2 A 2 LYS A 8 TRP A 11 -1 O LYS A 8 N GLU A 5 LINK N NH2 A 13 C LYS A 12 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