HEADER PROTEIN BINDING 09-NOV-01 1KCO TITLE STRUCTURE OF E131 ZETA PEPTIDE, A POTENT ANTAGONIST OF THE TITLE 2 HIGH-AFFINITY IGE RECEPTOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: E131 ZETA PEPTIDE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SOLID-PHASE PEPTIDE SYNTHESIS OF A NOVEL SOURCE 4 PEPTIDE BASED ON A NAIVE PHAGE-PEPTIDE LIBRARY THAT WAS SOURCE 5 SORTED FOR BINDING TO THE HIGH-AFFINITY IGE RECEPTOR KEYWDS DISULFIDE-BONDED, HELICAL, "ZETA" STRUCTURE, PROTEIN BINDING EXPDTA SOLUTION NMR NUMMDL 20 AUTHOR G.R.NAKAMURA,M.E.REYNOLDS,Y.M.CHEN,M.A.STAROVASNIK, AUTHOR 2 H.B.LOWMAN REVDAT 2 24-FEB-09 1KCO 1 VERSN REVDAT 1 06-MAR-02 1KCO 0 JRNL AUTH G.R.NAKAMURA,M.E.REYNOLDS,Y.M.CHEN,M.A.STAROVASNIK, JRNL AUTH 2 H.B.LOWMAN JRNL TITL STABLE "ZETA" PEPTIDES THAT ACT AS POTENT JRNL TITL 2 ANTAGONISTS OF THE HIGH-AFFINITY IGE RECEPTOR. JRNL REF PROC.NATL.ACAD.SCI.USA V. 99 1303 2002 JRNL REFN ISSN 0027-8424 JRNL PMID 11830661 JRNL DOI 10.1073/PNAS.022635599 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 STRUCTURES ARE BASED ON A TOTAL REMARK 3 OF 143 NOE-DERIVED DISTANCE RESTRAINTS AND 24 DIHEDRAL ANGLE REMARK 3 RESTRAINTS. REMARK 4 REMARK 4 1KCO COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-NOV-01. REMARK 100 THE RCSB ID CODE IS RCSB014816. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 308 REMARK 210 PH : 6.0 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 1 MM E131 PEPTIDE, PH 6.0, REMARK 210 0.1 MM NAN3, 0.1 MM DSS 85%H2O/7%D2O/8%ACETONITRILE-D3; 1 MM REMARK 210 E131 PEPTIDE, PH 6.0, 0.1 MM NAN3, 0.1 MM DSS 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 REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR 2.1, FELIX 98.0, DGII REMARK 210 98.0 REMARK 210 METHOD USED : HYBRID DISTANCE GEOMETRY/ REMARK 210 SIMULATED ANNEALING, THEN REMARK 210 FURTHER REFINED BY RESTRAINED REMARK 210 MOLECULAR 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: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D REMARK 210 HOMONUCLEAR TECHNIQUES. 3JHNHA WERE OBTAINED BY FITTING REMARK 210 LORENTZIAN LINES TO THE ANTIPHASE DOUBLETS OF HN-HA PEAKS IN A REMARK 210 2QF-COSY SPECTRUM PROCESSED TO HIGH DIGITAL RESOLUTION IN F2. REMARK 210 3JHAHB WERE EXTRACTED FROM A COSY-35 SPECTRUM ACQUIRED IN D2O 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 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 2 TYR A 20 41.28 -99.31 REMARK 500 3 TYR A 20 65.96 -105.51 REMARK 500 5 GLU A 9 -61.50 -108.65 REMARK 500 5 TYR A 20 -55.02 -140.11 REMARK 500 7 GLN A 2 -60.25 -143.75 REMARK 500 9 LEU A 14 -15.88 -154.38 REMARK 500 10 TYR A 8 34.76 -99.70 REMARK 500 11 TYR A 20 -53.67 -134.43 REMARK 500 13 TYR A 20 33.33 -99.94 REMARK 500 14 TYR A 8 57.52 -99.53 REMARK 500 15 LEU A 14 -13.24 -151.35 REMARK 500 17 GLN A 2 20.77 -144.38 REMARK 500 19 GLU A 13 46.38 -96.84 REMARK 500 20 TYR A 8 59.65 -98.04 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NH2 A 22 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KCN RELATED DB: PDB REMARK 900 'STRUCTURE OF E109 ZETA PEPTIDE, AN ANTAGONIST OF THE HIGH- REMARK 900 AFFINITY IGE RECEPTOR' DBREF 1KCO A 1 22 PDB 1KCO 1KCO 1 22 SEQRES 1 A 22 VAL GLN CYS PRO HIS PHE CYS TYR GLU LEU ASP TYR GLU SEQRES 2 A 22 LEU CYS PRO ASP VAL CYS TYR VAL NH2 HET NH2 A 22 3 HETNAM NH2 AMINO GROUP FORMUL 1 NH2 H2 N HELIX 1 1 PRO A 4 GLU A 9 5 6 HELIX 2 2 PRO A 16 TYR A 20 5 5 SSBOND 1 CYS A 3 CYS A 19 1555 1555 2.05 SSBOND 2 CYS A 7 CYS A 15 1555 1555 2.04 LINK C VAL A 21 N NH2 A 22 1555 1555 1.34 SITE 1 AC1 2 VAL A 18 VAL A 21 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 ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL ENDMDL MASTER 102 0 1 2 0 0 1 6 0 0 0 2 END