1D7T - Header Asymmetric Unit

HEADER DE NOVO PROTEIN 19-OCT-99 1D7T

TITLE NMR STRUCTURE OF AN ENGINEERED CONTRYPHAN CYCLIC PEPTIDE TITLE 2 (MOTIF CPXXPXC)

COMPND MOL_ID: 1; COMPND 2 MOLECULE: YNK-CONTRYPHAN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE SEQUENCE WAS DESIGNED TO MIMIC THE SOURCE 4 SURFACE OF W-CONOTOXIN GVIA FROM CONUS GEOGRAPHUS AND IS SOURCE 5 BASED ON THE CONTRYPHAN-R SCAFFOLD FROM CONUS RADIATUS

KEYWDS DISULFIDE BOND, D-HANDED, BETA TURN, CIS PROLINE, DE NOVO KEYWDS 2 PROTEIN

EXPDTA SOLUTION NMR

NUMMDL 20

AUTHOR P.K.PALLAGHY,R.S.NORTON

REVDAT 3 24-FEB-09 1D7T 1 VERSN REVDAT 2 01-APR-03 1D7T 1 JRNL REVDAT 1 13-SEP-00 1D7T 0

JRNL AUTH P.K.PALLAGHY,R.S.NORTON JRNL TITL THE CYCLIC CONTRYPHAN MOTIF CPXXPXC, A ROBUST JRNL TITL 2 SCAFFOLD POTENTIALLY USEFUL AS AN OMEGA-CONOTOXIN JRNL TITL 3 MIMIC. JRNL REF BIOPOLYMERS V. 54 173 2000 JRNL REFN ISSN 0006-3525 JRNL PMID 10861378 JRNL DOI 10.1002/1097-0282(200009)54:3<173::AID-BIP30>3.3.CO JRNL DOI 2 ;2-1

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.5 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: STRUCTURES ARE BASED ON 104 NOES AND REMARK 3 2 PHI-ANGLES AND 4 CHI1-ANGLES.

REMARK 4 REMARK 4 1D7T COMPLIES WITH FORMAT V. 3.15, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 22-OCT-99. REMARK 100 THE RCSB ID CODE IS RCSB009871.

REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 283 REMARK 210 PH : 3.5 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 21 MM YNK-CONTRYPHAN REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : DRX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : DISTANCE GEOMETRY SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : LOWEST ENERGY 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.

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 12 PRO A 6 31.28 -80.66 REMARK 500 15 PRO A 6 13.45 -69.55 REMARK 500 19 PRO A 6 2.54 -69.06 REMARK 500 20 PRO A 6 -8.36 -58.32 REMARK 500 REMARK 500 REMARK: NULL

SEQRES 1 A 8 GLY CYS HYP DTY ASN PRO LYS CY3

MODRES 1D7T HYP A 3 PRO 4-HYDROXYPROLINE MODRES 1D7T CY3 A 8 CYS 2-AMINO-3-MERCAPTO-PROPIONAMIDE

HET HYP A 3 15 HET DTY A 4 21 HET CY3 A 8 13

HETNAM HYP 4-HYDROXYPROLINE HETNAM DTY D-TYROSINE HETNAM CY3 2-AMINO-3-MERCAPTO-PROPIONAMIDE

HETSYN HYP HYDROXYPROLINE

FORMUL 1 HYP C5 H9 N O3 FORMUL 1 DTY C9 H11 N O3 FORMUL 1 CY3 C3 H8 N2 O S

LINK C CYS A 2 N HYP A 3 1555 1555 1.32 LINK SG CYS A 2 SG CY3 A 8 1555 1555 2.02 LINK C HYP A 3 N DTY A 4 1555 1555 1.30 LINK C DTY A 4 N ASN A 5 1555 1555 1.31 LINK C LYS A 7 N CY3 A 8 1555 1555 1.31

CISPEP 1 CYS A 2 HYP A 3 1 3.99 CISPEP 2 CYS A 2 HYP A 3 2 -5.17 CISPEP 3 CYS A 2 HYP A 3 3 -2.73 CISPEP 4 CYS A 2 HYP A 3 4 9.69 CISPEP 5 CYS A 2 HYP A 3 5 -4.02 CISPEP 6 CYS A 2 HYP A 3 6 0.75 CISPEP 7 CYS A 2 HYP A 3 7 9.15 CISPEP 8 CYS A 2 HYP A 3 8 10.58 CISPEP 9 CYS A 2 HYP A 3 9 3.58 CISPEP 10 CYS A 2 HYP A 3 10 10.60 CISPEP 11 CYS A 2 HYP A 3 11 -10.88 CISPEP 12 CYS A 2 HYP A 3 12 10.72 CISPEP 13 CYS A 2 HYP A 3 13 2.58 CISPEP 14 CYS A 2 HYP A 3 14 -9.27 CISPEP 15 CYS A 2 HYP A 3 15 11.08 CISPEP 16 CYS A 2 HYP A 3 16 -10.59 CISPEP 17 CYS A 2 HYP A 3 17 -8.01 CISPEP 18 CYS A 2 HYP A 3 18 11.86 CISPEP 19 CYS A 2 HYP A 3 19 9.41 CISPEP 20 CYS A 2 HYP A 3 20 -8.52

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