10 20 30 40 50 60 70 80 1NXN - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER TOXIN 11-FEB-03 1NXN
TITLE SOLUTION STRUCTURE OF CONTRYPHAN-VN
COMPND MOL_ID: 1; COMPND 2 MOLECULE: CONTRYPHAN-VN, MAJOR FORM (CIS CONFORMER); COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE PEPTIDE WAS CHEMICALLY SYNTHESIZED. THE SOURCE 4 SEQUENCE OF THE PEPTIDE IS NATURALLY FOUND IN THE VENOM SOURCE 5 DUCT OF CONUS VENTRICOSUS (MARINE CONE SNAIL).
KEYWDS D-TRYPTOPHAN, CYCLIC PEPTIDE, DISULFIDE BRIDGE, CIS-TRANS KEYWDS 2 ISOMERISM, TOXIN
EXPDTA SOLUTION NMR
NUMMDL 20
AUTHOR T.ELISEO,D.O.CICERO,F.POLTICELLI,M.E.SCHININA,G.R.MASSILIA, AUTHOR 2 M.PACI,P.ASCENZI
REVDAT 3 24-FEB-09 1NXN 1 VERSN REVDAT 2 11-JAN-05 1NXN 1 JRNL REVDAT 1 04-MAR-03 1NXN 0
SPRSDE 04-MAR-03 1NXN 1N3V
JRNL AUTH T.ELISEO,D.O.CICERO,C.ROMEO,M.E.SCHININA, JRNL AUTH 2 G.R.MASSILIA,F.POLTICELLI,P.ASCENZI,M.PACI JRNL TITL SOLUTION STRUCTURE OF THE CYCLIC PEPTIDE JRNL TITL 2 CONTRYPHAN-VN, A CA2+-DEPENDENT K+ CHANNEL JRNL TITL 3 MODULATOR JRNL REF BIOPOLYMERS V. 74 189 2004 JRNL REFN ISSN 0006-3525 JRNL PMID 15150794 JRNL DOI 10.1002/BIP.20025
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XPLOR 1.5 REMARK 3 AUTHORS : JONES,ZOU,COWAN,KJELDGAARD REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4 REMARK 4 1NXN COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-FEB-03. REMARK 100 THE RCSB ID CODE IS RCSB018323.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 298 REMARK 210 PH : 3.5 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 5 MM PROTEIN REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D TOCSY, 2D ROESY, COSY, 1H- REMARK 210 15N HSQC, 1H-13C HMQC, 1H-13C REMARK 210 HSQC-TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 400 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : XWINNMR, NMRPIPE, NMRVIEW, REMARK 210 XPLOR 1.5 REMARK 210 METHOD USED : SIMULATED ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 200 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20 REMARK 210 CONFORMERS, SELECTION CRITERIA : FEWEST RESTRAINTS VIOLATIONS, REMARK 210 LOWEST ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: HETERONUCLEAR EXPERIMENTS WERE PERFORMED AT NATURAL REMARK 210 ABUNDANCE
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: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 1 ASP A 2 N ASP A 2 CA -0.353 REMARK 500 1 ASP A 2 CA ASP A 2 CB -0.437 REMARK 500 1 GLY A 1 C ASP A 2 N 0.142 REMARK 500 1 CYS A 3 CB CYS A 3 SG -0.255 REMARK 500 1 LYS A 6 CG LYS A 6 CD -0.591 REMARK 500 1 LYS A 6 CD LYS A 6 CE -0.253 REMARK 500 1 LYS A 6 CE LYS A 6 NZ -0.459 REMARK 500 1 PRO A 7 CD PRO A 7 N -0.117 REMARK 500 1 TRP A 8 NE1 TRP A 8 CE2 -0.089 REMARK 500 1 TRP A 8 C TRP A 8 O -0.177 REMARK 500 1 CYS A 9 CA CYS A 9 CB -0.533 REMARK 500 1 CYS A 9 CB CYS A 9 SG -0.283 REMARK 500 1 TRP A 8 C CYS A 9 N -0.177 REMARK 500 REMARK 500 REMARK: NULL 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 PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 1 ASP A 2 N - CA - CB ANGL. DEV. = -15.0 DEGREES REMARK 500 1 LYS A 6 CB - CG - CD ANGL. DEV. = 55.9 DEGREES REMARK 500 1 LYS A 6 CG - CD - CE ANGL. DEV. = 62.9 DEGREES REMARK 500 1 LYS A 6 CD - CE - NZ ANGL. DEV. = 25.0 DEGREES REMARK 500 1 CYS A 9 N - CA - CB ANGL. DEV. = 18.1 DEGREES REMARK 500 1 CYS A 9 CA - CB - SG ANGL. DEV. = 17.2 DEGREES 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 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 4 ASP A 2 83.60 -162.76 REMARK 500 6 ASP A 2 41.94 -162.82 REMARK 500 7 ASP A 2 71.50 -162.50 REMARK 500 8 ASP A 2 -64.62 -162.69 REMARK 500 10 ASP A 2 -40.67 -163.07 REMARK 500 11 ASP A 2 88.49 -162.90 REMARK 500 13 ASP A 2 -71.66 -162.63 REMARK 500 14 ASP A 2 40.63 -162.75 REMARK 500 17 ASP A 2 25.26 25.46 REMARK 500 18 ASP A 2 28.46 -162.41 REMARK 500 18 TRP A 8 31.79 -92.38 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 10
SEQRES 1 A 10 GLY ASP CYS PRO DTR LYS PRO TRP CYS NH2
HET DTR A 5 24 HET NH2 A 10 3
HETNAM DTR D-TRYPTOPHAN HETNAM NH2 AMINO GROUP
FORMUL 1 DTR C11 H12 N2 O2 FORMUL 1 NH2 H2 N
SSBOND 1 CYS A 3 CYS A 9 1555 1555 1.25
LINK C PRO A 4 N DTR A 5 1555 1555 1.29 LINK C DTR A 5 N LYS A 6 1555 1555 1.06 LINK O DTR A 5 N LYS A 6 1555 1555 1.52 LINK C CYS A 9 N NH2 A 10 1555 1555 1.48
CISPEP 1 CYS A 3 PRO A 4 1 -0.43 CISPEP 2 CYS A 3 PRO A 4 2 -0.39 CISPEP 3 CYS A 3 PRO A 4 3 -0.34 CISPEP 4 CYS A 3 PRO A 4 4 -0.22 CISPEP 5 CYS A 3 PRO A 4 5 -0.59 CISPEP 6 CYS A 3 PRO A 4 6 -0.08 CISPEP 7 CYS A 3 PRO A 4 7 -0.26 CISPEP 8 CYS A 3 PRO A 4 8 -0.13 CISPEP 9 CYS A 3 PRO A 4 9 -0.25 CISPEP 10 CYS A 3 PRO A 4 10 0.01 CISPEP 11 CYS A 3 PRO A 4 11 -0.76 CISPEP 12 CYS A 3 PRO A 4 12 -1.12 CISPEP 13 CYS A 3 PRO A 4 13 -0.09 CISPEP 14 CYS A 3 PRO A 4 14 0.06 CISPEP 15 CYS A 3 PRO A 4 15 -0.31 CISPEP 16 CYS A 3 PRO A 4 16 -0.10 CISPEP 17 CYS A 3 PRO A 4 17 0.08 CISPEP 18 CYS A 3 PRO A 4 18 -0.17 CISPEP 19 CYS A 3 PRO A 4 19 -0.32 CISPEP 20 CYS A 3 PRO A 4 20 -0.48
SITE 1 AC1 2 TRP A 8 CYS A 9
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