HEADER SIGNALING PROTEIN 09-JAN-02 1KRK OBSLTE 13-NOV-02 1KRK 1N2Y TITLE SOLUTION STRUCTURE OF SS-CYCLIZED CATESTATIN FRAGMENT FROM TITLE 2 CHROMOGRANIN A COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATESTATIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS PEPTIDE WAS CHEMICALLY SYNTHESIZED. SOURCE 4 SOLID PHASE SYNTHESIS AND FACILE CYCLIZATION OF TERMINAL SOURCE 5 CYSTEINES BY OXIDATION WAS PERFORMED. THE SEQUENCE OF THE SOURCE 6 PEPTIDE IS NATURALLY FOUND IN BOS TAURUS (COW). KEYWDS CATESTATIN CHOROMOGRANIN A EXPDTA NMR, 20 STRUCTURES AUTHOR N.E.PREECE,M.NGUYEN,M.MAHATA,S.K.MAHATA,I.TSIGELNY, AUTHOR 2 D.T.O'CONNOR REVDAT 2 13-NOV-02 1KRK 1 OBSLTE REVDAT 1 24-JUL-02 1KRK 0 JRNL AUTH N.E.PREECE,M.NGUYEN,M.MAHATA,S.K.MAHATA,I.TSIGELNY, JRNL AUTH 2 D.T.O'CONNOR JRNL TITL CONFORMATIONAL PREFERENCES OF A CYCLIC PEPTIDE JRNL TITL 2 DERIVED FROM THE CATECHOLAIME RELEASE-INHIBITORY JRNL TITL 3 (CATESTATIN) REGION OF CHROMOGRANIN A JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1KRK COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-JAN-2002. REMARK 100 THE RCSB ID CODE IS RCSB015268. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 278 REMARK 210 PH : 7 REMARK 210 IONIC STRENGTH : 10 MM PHOSPHATE REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 4MG SS-CYCLIZED CATESTATIN REMARK 210 15-MER REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY, DQF-COSY, P-COSY, REMARK 210 BASHD-TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : UNITYPLUS, INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR, FELIX, DISCOVER, X-PLOR REMARK 210 METHOD USED : RESTRAINED MOLECULAR REMARK 210 DYNAMICS, CHEMICAL SHIFT REMARK 210 REFINEMENT REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 20 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : ALL CALCULATED STRUCTURES REMARK 210 SUBMITTED REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 10 REMARK 210 REMARK 210 REMARK: DMSO-D6 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: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI REMARK 500 N CYS A 1 CA GLY A 11 2.15 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 12 GLY A 6 N - CA - C ANGL. DEV. =-25.0 DEGREES REMARK 500 15 GLY A 6 N - CA - C ANGL. DEV. =-24.5 DEGREES 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 M RES CSSEQI PSI PHI REMARK 500 2 PHE A 9 -170.26 -23.31 REMARK 500 9 PHE A 9 42.78 -23.85 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1CFK RELATED DB: PDB REMARK 900 HOMOLOGY MODEL OF CATESTATIN REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE TERMINAL CYSTEINES ARE NON-NATIVE BUT WERE REMARK 999 INCLUDED TO FACILITATE THE SYNTHESIS OF THE REMARK 999 CYCLIC PEPTIDE. DBREF 1KRK A 2 14 UNP P05059 CMGA_BOVIN 368 380 SEQADV 1KRK CYS A 1 UNP P05059 SEE REMARK 999 SEQADV 1KRK CYS A 15 UNP P05059 SEE REMARK 999 SEQRES 1 A 15 CYS PHE ARG ALA ARG GLY TYR GLY PHE ARG GLY PRO GLY SEQRES 2 A 15 LEU CYS SSBOND 1 CYS A 1 CYS A 15 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