HEADER TOXIN 18-JUN-03 1PQR TITLE SOLUTION CONFORMATION OF ALPHAA-CONOTOXIN EIVA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-A-CONOTOXIN EIVA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THIS SEQUENCE OCCURS NATURALLY IN CONUS ERMINEUS SOURCE 4 VENOM. KEYWDS ALPHA-HELIX, TWO DISULFIDE BONDS, C-TERM AMIDATION, TOXIN EXPDTA SOLUTION NMR NUMMDL 18 AUTHOR S.-W.CHI,K.-H.PARK,J.-E.SUK,B.M.OLIVERA,J.M.MCINTOSH,K.-H.HAN REVDAT 3 02-MAR-22 1PQR 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1PQR 1 VERSN REVDAT 1 04-NOV-03 1PQR 0 JRNL AUTH S.-W.CHI,K.-H.PARK,J.-E.SUK,B.M.OLIVERA,J.M.MCINTOSH, JRNL AUTH 2 K.-H.HAN JRNL TITL SOLUTION CONFORMATION OF ALPHAA-CONOTOXIN EIVA, A POTENT JRNL TITL 2 NEUROMUSCULAR NICOTINIC ACETYLCHOLINE RECEPTOR ANTAGONIST JRNL TITL 3 FROM CONUS ERMINEUS JRNL REF J.BIOL.CHEM. V. 278 42208 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12900418 JRNL DOI 10.1074/JBC.M303342200 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : VNMR 6.1B, DISCOVER 2.98 REMARK 3 AUTHORS : MOLECULAR SIMULATIONS INC. (DISCOVER) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE STRUCTURES ARE BASED ON A TOTAL OF REMARK 3 388 NOE-DERIVED DISTANCE CONSTRAINTS, 11 DIHEDRAL ANGLE REMARK 3 RESTRAINTS REMARK 4 REMARK 4 1PQR COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 20-JUN-03. REMARK 100 THE DEPOSITION ID IS D_1000019512. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 288 REMARK 210 PH : 3.6 REMARK 210 IONIC STRENGTH : 0.01 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 5MM ALPHA-A-CONOTOXIN EIVA REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; DQF-COSY; PE REMARK 210 -COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : INOVA REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : FELIX 98.0 REMARK 210 METHOD USED : DISTANCE GEOMETRY, MOLECULAR REMARK 210 DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 18 REMARK 210 CONFORMERS, SELECTION CRITERIA : BACK CALCULATED DATA AGREE WITH REMARK 210 EXPERIMENTAL NOESY SPECTRUM REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 5 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 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: 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 DISTANCE REMARK 500 REMARK 500 REMARK: NULL 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 12 CG HIS A 12 CD2 0.055 REMARK 500 2 HIS A 12 CG HIS A 12 CD2 0.056 REMARK 500 3 HIS A 12 CG HIS A 12 CD2 0.055 REMARK 500 4 HIS A 12 CG HIS A 12 CD2 0.059 REMARK 500 5 HIS A 12 CG HIS A 12 CD2 0.056 REMARK 500 6 HIS A 12 CG HIS A 12 CD2 0.055 REMARK 500 7 HIS A 12 CG HIS A 12 CD2 0.054 REMARK 500 8 HIS A 12 CG HIS A 12 CD2 0.064 REMARK 500 9 HIS A 12 CG HIS A 12 CD2 0.055 REMARK 500 10 HIS A 12 CG HIS A 12 CD2 0.056 REMARK 500 12 HIS A 12 CG HIS A 12 CD2 0.055 REMARK 500 13 HIS A 12 CG HIS A 12 CD2 0.055 REMARK 500 14 HIS A 12 CG HIS A 12 CD2 0.055 REMARK 500 15 HIS A 12 CG HIS A 12 CD2 0.055 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 CYS A 2 CB - CA - C ANGL. DEV. = 8.7 DEGREES REMARK 500 1 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 1 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 1 ASP A 25 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 1 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 2 CYS A 2 CB - CA - C ANGL. DEV. = 8.1 DEGREES REMARK 500 2 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 2 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 2 ASP A 25 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 2 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 3 CYS A 11 CB - CA - C ANGL. DEV. = 7.4 DEGREES REMARK 500 3 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 3 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 3 ASP A 25 CB - CG - OD1 ANGL. DEV. = 6.1 DEGREES REMARK 500 3 ASP A 25 CB - CG - OD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 3 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 4 CYS A 2 CB - CA - C ANGL. DEV. = 7.6 DEGREES REMARK 500 4 CYS A 11 CB - CA - C ANGL. DEV. = 8.7 DEGREES REMARK 500 4 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 4 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 4 ASP A 25 CB - CG - OD2 ANGL. DEV. = -5.9 DEGREES REMARK 500 4 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 5 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 5 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 5 ASP A 25 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 5 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 6 CYS A 2 CB - CA - C ANGL. DEV. = 8.5 DEGREES REMARK 500 6 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 6 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 6 ASP A 25 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 6 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 7 CYS A 2 CB - CA - C ANGL. DEV. = 7.6 DEGREES REMARK 500 7 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 7 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 7 ASP A 25 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 7 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 8 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 8 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 8 ASP A 25 CB - CG - OD2 ANGL. DEV. = -6.2 DEGREES REMARK 500 8 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 9 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 9 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 9 ASP A 25 CB - CG - OD2 ANGL. DEV. = -6.0 DEGREES REMARK 500 9 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 10 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 10 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 10 ASP A 25 CB - CG - OD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 10 ARG A 26 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 11 HIS A 12 ND1 - CE1 - NE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 11 ARG A 20 NE - CZ - NH1 ANGL. DEV. = 3.9 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 84 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 CYS A 2 -121.34 -124.15 REMARK 500 1 CYS A 3 -86.86 -150.77 REMARK 500 1 HYP A 7 -174.70 37.25 REMARK 500 1 ASN A 8 39.09 -143.11 REMARK 500 1 ALA A 9 -92.00 -90.36 REMARK 500 1 CYS A 14 56.07 -116.87 REMARK 500 1 LYS A 17 -76.90 -80.53 REMARK 500 1 HYP A 21 159.01 -41.77 REMARK 500 1 HYP A 27 107.80 -57.67 REMARK 500 2 CYS A 2 -123.04 -119.32 REMARK 500 2 CYS A 3 -79.81 -150.75 REMARK 500 2 HYP A 7 -144.64 20.76 REMARK 500 2 ASN A 8 -52.15 -133.51 REMARK 500 2 ALA A 9 -84.18 -71.33 REMARK 500 2 LYS A 17 -71.21 -80.43 REMARK 500 2 HYP A 21 163.60 -48.45 REMARK 500 2 HYP A 27 107.77 -50.53 REMARK 500 3 CYS A 3 -85.91 -133.29 REMARK 500 3 ASN A 8 -76.07 -101.19 REMARK 500 3 ALA A 9 -110.00 -90.56 REMARK 500 3 CYS A 11 82.34 57.82 REMARK 500 3 HYP A 27 102.16 -47.09 REMARK 500 3 SER A 28 -83.55 -150.68 REMARK 500 4 CYS A 2 -98.61 -99.19 REMARK 500 4 CYS A 3 -108.61 -139.88 REMARK 500 4 ASN A 8 -82.48 -85.99 REMARK 500 4 ALA A 9 -92.03 -90.22 REMARK 500 4 LYS A 17 -72.95 -85.52 REMARK 500 4 HYP A 27 105.71 -46.87 REMARK 500 5 CYS A 2 -107.99 -87.14 REMARK 500 5 CYS A 3 -76.87 -150.74 REMARK 500 5 ASN A 8 -111.10 -141.40 REMARK 500 5 ALA A 10 71.98 -111.79 REMARK 500 5 CYS A 14 74.20 -116.63 REMARK 500 5 HYP A 21 160.64 -38.84 REMARK 500 5 HYP A 27 102.84 -57.80 REMARK 500 6 CYS A 2 -121.36 -124.39 REMARK 500 6 CYS A 3 -80.83 -150.82 REMARK 500 6 ASN A 8 -83.95 -152.99 REMARK 500 6 ALA A 9 -93.72 -90.75 REMARK 500 6 ALA A 10 54.19 -107.41 REMARK 500 6 CYS A 14 54.86 -114.56 REMARK 500 6 LYS A 17 -72.19 -79.80 REMARK 500 6 HYP A 21 157.99 -45.50 REMARK 500 6 HYP A 27 109.18 -52.36 REMARK 500 7 CYS A 2 -110.39 -98.59 REMARK 500 7 CYS A 3 -75.26 -150.45 REMARK 500 7 ASN A 8 -82.14 -140.54 REMARK 500 7 ALA A 9 -95.45 -90.71 REMARK 500 7 CYS A 14 30.14 -92.13 REMARK 500 REMARK 500 THIS ENTRY HAS 131 RAMACHANDRAN OUTLIERS. 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 31 DBREF 1PQR A 1 30 UNP P58782 CXVA_CONER 1 30 SEQADV 1PQR HYP A 7 UNP P58782 PRO 7 MODIFIED RESIDUE SEQADV 1PQR HYP A 13 UNP P58782 PRO 13 MODIFIED RESIDUE SEQADV 1PQR HYP A 21 UNP P58782 PRO 21 MODIFIED RESIDUE SEQADV 1PQR HYP A 22 UNP P58782 PRO 22 MODIFIED RESIDUE SEQADV 1PQR HYP A 27 UNP P58782 PRO 27 MODIFIED RESIDUE SEQRES 1 A 31 GLY CYS CYS GLY PRO TYR HYP ASN ALA ALA CYS HIS HYP SEQRES 2 A 31 CYS GLY CYS LYS VAL GLY ARG HYP HYP TYR CYS ASP ARG SEQRES 3 A 31 HYP SER GLY GLY NH2 MODRES 1PQR HYP A 7 PRO 4-HYDROXYPROLINE MODRES 1PQR HYP A 13 PRO 4-HYDROXYPROLINE MODRES 1PQR HYP A 21 PRO 4-HYDROXYPROLINE MODRES 1PQR HYP A 22 PRO 4-HYDROXYPROLINE MODRES 1PQR HYP A 27 PRO 4-HYDROXYPROLINE HET HYP A 7 15 HET HYP A 13 15 HET HYP A 21 15 HET HYP A 22 15 HET HYP A 27 15 HET NH2 A 31 3 HETNAM HYP 4-HYDROXYPROLINE HETNAM NH2 AMINO GROUP HETSYN HYP HYDROXYPROLINE FORMUL 1 HYP 5(C5 H9 N O3) FORMUL 1 NH2 H2 N HELIX 1 1 HYP A 21 ARG A 26 1 6 SSBOND 1 CYS A 2 CYS A 16 1555 1555 1.99 SSBOND 2 CYS A 3 CYS A 11 1555 1555 2.00 SSBOND 3 CYS A 14 CYS A 24 1555 1555 1.98 LINK C TYR A 6 N HYP A 7 1555 1555 1.37 LINK C HYP A 7 N ASN A 8 1555 1555 1.35 LINK C HIS A 12 N HYP A 13 1555 1555 1.37 LINK C HYP A 13 N CYS A 14 1555 1555 1.35 LINK C ARG A 20 N HYP A 21 1555 1555 1.37 LINK C HYP A 21 N HYP A 22 1555 1555 1.37 LINK C HYP A 22 N TYR A 23 1555 1555 1.35 LINK C ARG A 26 N HYP A 27 1555 1555 1.37 LINK C HYP A 27 N SER A 28 1555 1555 1.35 LINK C GLY A 30 N NH2 A 31 1555 1555 1.33 CISPEP 1 GLY A 1 CYS A 2 14 5.50 SITE 1 AC1 1 GLY A 30 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