HEADER TOXIN 16-JUL-01 1JLO TITLE SOLUTION STRUCTURE OF THE NONCOMPETITIVE SKELETAL MUSCLE NICOTINIC TITLE 2 ACETYLCHOLINE RECEPTOR ANTAGONIST PSI-CONOTOXIN PIIIE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PSI-CONOTOXIN PIIIE; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SOLID PHASE CHEMICAL SYNTHESIS WAS USED TO SOURCE 4 INCORPORATE 3-13C-LABELED CYSTEINE AT POSITIONS 4 AND 21. THE SOURCE 5 SEQUENCE IS THE SAME AS THE NATIVE PEPTIDE FROM CONUS PURPURASCENS SOURCE 6 (PURPLE CONE). KEYWDS MULTIPLE DISULFIDE BONDS, AMIDATED C-TERMINUS, TOXIN EXPDTA SOLUTION NMR NUMMDL 13 AUTHOR R.M.VAN WAGONER,C.M.IRELAND REVDAT 3 24-AUG-11 1JLO 1 HETATM REVDAT 2 24-FEB-09 1JLO 1 VERSN REVDAT 1 24-JUN-03 1JLO 0 JRNL AUTH R.M.VAN WAGONER,C.M.IRELAND JRNL TITL AN IMPROVED SOLUTION STRUCTURE FOR PSI-CONOTOXIN PIIIE JRNL REF BIOCHEMISTRY V. 42 6347 2003 JRNL REFN ISSN 0006-2960 JRNL PMID 12767215 JRNL DOI 10.1021/BI027274E REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.S.MITCHELL,K.J.SHON,M.P.FOSTER,D.R.DAVIS,B.M.OLIVERA, REMARK 1 AUTH 2 C.M.IRELAND REMARK 1 TITL THREE-DIMENSIONAL SOLUTION STRUCTURE OF CONOTOXIN PSI-PIIIE, REMARK 1 TITL 2 AN ACETYLCHOLINE GATED ION CHANNEL ANTAGONIST REMARK 1 REF BIOCHEMISTRY V. 37 1215 1998 REMARK 1 REFN ISSN 0006-2960 REMARK 1 DOI 10.1021/BI972186T REMARK 1 REFERENCE 2 REMARK 1 AUTH K.J.SHON,M.GRILLEY,R.JACOBSEN,G.E.CARTIER,C.HOPKINS, REMARK 1 AUTH 2 W.R.GRAY,M.WATKINS,D.R.HILLYARD,J.RIVIER,J.TORRES, REMARK 1 AUTH 3 D.YOSHIKAMI,B.M.OLIVERA REMARK 1 TITL A NONCOMPETITIVE PEPTIDE INHIBITOR OF THE NICOTINIC REMARK 1 TITL 2 ACETYLCHOLINE RECEPTOR FROM CONUS PURPURASCENS VENOM REMARK 1 REF BIOCHEMISTRY V. 36 9581 1997 REMARK 1 REFN ISSN 0006-2960 REMARK 1 DOI 10.1021/BI970235W REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DISCOVER 2.98 REMARK 3 AUTHORS : MSI, INC. REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THESE STRUCTURES ARE BASED ON 566 NOE- REMARK 3 DERIVED DISTANCE RESTRAINTS, 9 RESTRAINTS ON PHI DERIVED FROM J- REMARK 3 COUPLING, AND 13 RESTRAINTS ON CHI1 DETERMINED FROM J-COUPLING REMARK 3 AND NOE VOLUMES. REMARK 4 REMARK 4 1JLO COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JUL-01. REMARK 100 THE RCSB ID CODE IS RCSB013914. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 277; 295 REMARK 210 PH : 3.48; 3.48 REMARK 210 IONIC STRENGTH : 16 MM; HEXA-TFA SALT; 16 MM; REMARK 210 HEXA-TFA SALT REMARK 210 PRESSURE : AMBIENT; AMBIENT REMARK 210 SAMPLE CONTENTS : 16 MM PSI-CONOTOXIN PIIIE [4,21] REMARK 210 3-13C-CYS; TFA ADDED TO PH 3.5; REMARK 210 16 MM PSI-CONOTOXIN PIIIE [4,21] REMARK 210 3-13C-CYS REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 3D_13C-SEPARATED_NOESY; DQF- REMARK 210 COSY; HALF-FILTERED PE-COSY; REMARK 210 DOUBLE HALF-FILTERED 2D NOESY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ; 500 MHZ REMARK 210 SPECTROMETER MODEL : INOVA; UNITY REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR 6.1B, FELIX 97.0, IRMA REMARK 210 97.0, DGII 97.0, DISCOVER 2.98 REMARK 210 METHOD USED : DISTANCE GEOMETRY MOLECULAR REMARK 210 DYNAMICS RELAXATION MATRIX REMARK 210 DISTANCE GEOMETRY SIMULATED REMARK 210 ANNEALING REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 13 REMARK 210 CONFORMERS, SELECTION CRITERIA : BACK CALCULATED DATA AGREE WITH REMARK 210 EXPERIMENTAL NOESY SPECTRUM, REMARK 210 STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS, STRUCTURES REMARK 210 WITH THE LOWEST ENERGY REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 5 REMARK 210 REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING ISOTOPIC FILTRATION REMARK 210 AND ISOTOPE-SELECTED 1H OBSERVATION IN ADDITION TO STANDARD 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 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 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 HIS A 1 CG HIS A 1 CD2 0.057 REMARK 500 2 HIS A 1 CG HIS A 1 CD2 0.057 REMARK 500 3 HIS A 1 CG HIS A 1 CD2 0.057 REMARK 500 4 HIS A 1 CG HIS A 1 CD2 0.055 REMARK 500 5 HIS A 1 CG HIS A 1 CD2 0.056 REMARK 500 6 HIS A 1 CG HIS A 1 CD2 0.057 REMARK 500 7 HIS A 1 CG HIS A 1 CD2 0.056 REMARK 500 8 HIS A 1 CG HIS A 1 CD2 0.056 REMARK 500 9 HIS A 1 CG HIS A 1 CD2 0.056 REMARK 500 10 HIS A 1 CG HIS A 1 CD2 0.057 REMARK 500 11 HIS A 1 CG HIS A 1 CD2 0.056 REMARK 500 12 HIS A 1 CG HIS A 1 CD2 0.057 REMARK 500 13 HIS A 1 CG HIS A 1 CD2 0.057 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 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 1 CYS A 4 CA - CB - SG ANGL. DEV. = -12.6 DEGREES REMARK 500 1 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 1 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 1 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 2 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 2 CYS A 4 CA - CB - SG ANGL. DEV. = -12.5 DEGREES REMARK 500 2 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 2 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 2 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 3 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 3 CYS A 4 CA - CB - SG ANGL. DEV. = -11.9 DEGREES REMARK 500 3 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 3 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 3 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 4 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.2 DEGREES REMARK 500 4 CYS A 4 CA - CB - SG ANGL. DEV. = -12.7 DEGREES REMARK 500 4 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 4 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 4 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 5 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 5 CYS A 4 CA - CB - SG ANGL. DEV. = -12.6 DEGREES REMARK 500 5 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 5 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 5 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 6 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 6 CYS A 4 CA - CB - SG ANGL. DEV. = -12.6 DEGREES REMARK 500 6 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 6 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 6 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 7 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 7 CYS A 4 CA - CB - SG ANGL. DEV. = -12.0 DEGREES REMARK 500 7 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 7 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 7 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 8 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.2 DEGREES REMARK 500 8 CYS A 4 CA - CB - SG ANGL. DEV. = -12.5 DEGREES REMARK 500 8 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 4.4 DEGREES REMARK 500 8 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 8 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 9 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 9 CYS A 4 CA - CB - SG ANGL. DEV. = -12.0 DEGREES REMARK 500 9 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 9 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 9 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 10 HIS A 1 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 10 CYS A 4 CA - CB - SG ANGL. DEV. = -11.8 DEGREES REMARK 500 10 ARG A 11 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 10 ARG A 12 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 10 ARG A 24 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 64 ANGLE DEVIATIONS. 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 1 HYP A 2 -169.35 -52.61 REMARK 500 2 HYP A 2 -170.65 -53.01 REMARK 500 2 SER A 17 -19.67 -49.00 REMARK 500 3 HYP A 2 -171.78 -53.24 REMARK 500 4 HYP A 2 -163.49 -50.56 REMARK 500 5 HYP A 2 -170.45 -52.82 REMARK 500 6 HYP A 2 -170.55 -52.97 REMARK 500 6 SER A 17 -19.53 -49.07 REMARK 500 7 HYP A 2 -171.58 -53.17 REMARK 500 7 ARG A 12 59.00 -91.39 REMARK 500 7 SER A 17 -18.67 -49.33 REMARK 500 8 HYP A 2 -168.26 -52.27 REMARK 500 9 HYP A 2 -170.73 -52.92 REMARK 500 9 ARG A 12 61.62 -100.18 REMARK 500 10 HYP A 2 -170.10 -52.61 REMARK 500 10 ARG A 12 58.73 -94.51 REMARK 500 11 HYP A 2 -170.92 -52.96 REMARK 500 11 SER A 17 -19.15 -49.29 REMARK 500 12 HYP A 2 -166.20 -52.09 REMARK 500 12 ARG A 12 52.35 -107.97 REMARK 500 13 HYP A 2 -169.76 -53.40 REMARK 500 13 ARG A 12 58.79 -90.87 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 CYS A 16 SER A 17 1 146.06 REMARK 500 SER A 18 ALA A 19 1 144.32 REMARK 500 CYS A 16 SER A 17 2 146.49 REMARK 500 SER A 18 ALA A 19 2 144.74 REMARK 500 CYS A 16 SER A 17 3 147.28 REMARK 500 SER A 18 ALA A 19 3 144.19 REMARK 500 HYP A 2 HYP A 3 4 147.09 REMARK 500 CYS A 16 SER A 17 4 147.71 REMARK 500 SER A 18 ALA A 19 4 146.98 REMARK 500 CYS A 16 SER A 17 5 146.83 REMARK 500 SER A 18 ALA A 19 5 145.19 REMARK 500 CYS A 16 SER A 17 6 145.96 REMARK 500 SER A 18 ALA A 19 6 144.59 REMARK 500 CYS A 16 SER A 17 7 146.07 REMARK 500 SER A 18 ALA A 19 7 144.64 REMARK 500 CYS A 16 SER A 17 8 147.35 REMARK 500 SER A 18 ALA A 19 8 145.71 REMARK 500 CYS A 16 SER A 17 9 148.25 REMARK 500 SER A 18 ALA A 19 9 143.61 REMARK 500 CYS A 16 SER A 17 10 147.96 REMARK 500 SER A 18 ALA A 19 10 143.72 REMARK 500 CYS A 16 SER A 17 11 145.34 REMARK 500 SER A 18 ALA A 19 11 145.29 REMARK 500 CYS A 16 SER A 17 12 146.51 REMARK 500 SER A 18 ALA A 19 12 144.74 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 1 ARG A 11 0.10 SIDE CHAIN REMARK 500 4 HIS A 1 0.11 SIDE CHAIN REMARK 500 4 TYR A 7 0.07 SIDE CHAIN REMARK 500 4 ARG A 11 0.12 SIDE CHAIN REMARK 500 8 HIS A 1 0.08 SIDE CHAIN REMARK 500 8 ARG A 11 0.09 SIDE CHAIN REMARK 500 9 TYR A 7 0.07 SIDE CHAIN REMARK 500 10 TYR A 7 0.07 SIDE CHAIN REMARK 500 12 HIS A 1 0.09 SIDE CHAIN REMARK 500 12 TYR A 7 0.07 SIDE CHAIN REMARK 500 12 ARG A 11 0.11 SIDE CHAIN 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 25 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AS5 RELATED DB: PDB REMARK 900 1AS5 CONTAINS THE ORIGINAL STRUCTURES CALCULATED FOR PSI- REMARK 900 CONOTOXIN PIIIE. DBREF 1JLO A 1 24 UNP P56529 CXP3E_CONPU 3 26 SEQRES 1 A 25 HIS HYP HYP CYS CYS LEU TYR GLY LYS CYS ARG ARG TYR SEQRES 2 A 25 HYP GLY CYS SER SER ALA SER CYS CYS GLN ARG NH2 MODRES 1JLO HYP A 2 PRO 4-HYDROXYPROLINE MODRES 1JLO HYP A 3 PRO 4-HYDROXYPROLINE MODRES 1JLO HYP A 14 PRO 4-HYDROXYPROLINE HET HYP A 2 15 HET HYP A 3 15 HET HYP A 14 15 HET NH2 A 25 3 HETNAM HYP 4-HYDROXYPROLINE HETNAM NH2 AMINO GROUP HETSYN HYP HYDROXYPROLINE FORMUL 1 HYP 3(C5 H9 N O3) FORMUL 1 NH2 H2 N HELIX 1 1 GLY A 15 ALA A 19 5 5 SHEET 1 A 2 CYS A 5 LEU A 6 0 SHEET 2 A 2 LYS A 9 CYS A 10 -1 N LYS A 9 O LEU A 6 SSBOND 1 CYS A 4 CYS A 16 1555 1555 1.94 SSBOND 2 CYS A 5 CYS A 21 1555 1555 2.00 SSBOND 3 CYS A 10 CYS A 22 1555 1555 2.00 LINK C ARG A 24 N NH2 A 25 1555 1555 1.33 LINK C HIS A 1 N HYP A 2 1555 1555 1.37 LINK C HYP A 2 N HYP A 3 1555 1555 1.36 LINK C HYP A 3 N CYS A 4 1555 1555 1.35 LINK C TYR A 13 N HYP A 14 1555 1555 1.37 LINK C HYP A 14 N GLY A 15 1555 1555 1.33 SITE 1 AC1 2 GLN A 23 ARG A 24 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