HEADER NEUROTOXIN 06-DEC-96 1P1P TITLE [PRO7,13] AA-CONOTOXIN PIVA, NMR, 12 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: AA-CONOTOXIN PIVA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CONUS PURPURASCENS; SOURCE 3 ORGANISM_TAXID: 41690 KEYWDS NEUROTOXIN, CONOTOXIN, ACETYLCHOLINE RECEPTOR BINDING, TRANSCRIPTION KEYWDS 2 REGULATION EXPDTA SOLUTION NMR NUMMDL 12 AUTHOR K.-H.HAN,K.-J.HWANG,S.-M.KIM,S.-K.KIM,W.R.GRAY,B.M.OLIVERA,J.RIVIER, AUTHOR 2 K.J.SHON REVDAT 3 23-FEB-22 1P1P 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1P1P 1 VERSN REVDAT 1 07-JUL-97 1P1P 0 JRNL AUTH K.H.HAN,K.J.HWANG,S.M.KIM,S.K.KIM,W.R.GRAY,B.M.OLIVERA, JRNL AUTH 2 J.RIVIER,K.J.SHON JRNL TITL NMR STRUCTURE DETERMINATION OF A NOVEL CONOTOXIN, [PRO 7,13] JRNL TITL 2 ALPHA A-CONOTOXIN PIVA. JRNL REF BIOCHEMISTRY V. 36 1669 1997 JRNL REFN ISSN 0006-2960 JRNL PMID 9048550 JRNL DOI 10.1021/BI962301K REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : DGII, DISCOVER DISCOVER REMARK 3 AUTHORS : BIOSYM TECHNOLOGIES REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: THE TOTAL OF 324 NOE-DERIVED REMARK 3 INTERPROTON DISTANCE RESTRAINTS INCLUDING 33 LONG-RANGE NOE REMARK 3 RESTRAINTS AS WELL AS 11 PHI AND 7 CHI1 TORSION ANGLE RESTRAINTS REMARK 3 WERE USED FOR STRUCTURE DETERMINATION. BACK CALCULATION OF REMARK 3 EXPERIMENTAL NOE SPECTRUM YIELDED THE FINAL R-FACTORS OF RA= REMARK 3 0.641 AND RB=0.157. THE FINAL RMSD VALUES ARE 0.90A AND 1.16A REMARK 3 FOR THE BACKBONE AND THE HEAVY ATOMS, RESPECTIVELY. RESIDUES 12 - REMARK 3 24 ARE EXTREMELY WELL-DEFINED WITH A BACKBONE RMSD OF 0.56 A REMARK 3 WHEREAS THE N-TERMINAL 3 - 11 DISULFIDE LOOP IS FLEXIBLE REMARK 3 POSSESSING A BACKBONE RMSD OF 1.09 A. REMARK 4 REMARK 4 1P1P COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000175552. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 287 REMARK 210 PH : 3.4 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : NULL REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : COSY; TOCSY; NOESY; P.E.COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : UNITY 500 REMARK 210 SPECTROMETER MANUFACTURER : VARIAN REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : VNMR, FELIX, DGII, DISCOVER REMARK 210 METHOD USED : DISTANCE GEOMETRY REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 12 REMARK 210 CONFORMERS, SELECTION CRITERIA : RMSD REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL REMARK 210 REMARK 210 REMARK: NULL 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 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 2 CYS A 14 CA - CB - SG ANGL. DEV. = 8.5 DEGREES REMARK 500 4 CYS A 14 CA - CB - SG ANGL. DEV. = 8.2 DEGREES REMARK 500 6 PRO A 13 C - N - CA ANGL. DEV. = 9.0 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 1 CYS A 2 -57.35 -146.75 REMARK 500 1 ASN A 8 11.45 -142.41 REMARK 500 1 CYS A 11 132.18 -20.27 REMARK 500 1 PRO A 13 45.51 -67.45 REMARK 500 1 CYS A 14 -53.42 -164.54 REMARK 500 2 CYS A 2 -88.51 -151.95 REMARK 500 2 ASN A 8 45.07 -77.14 REMARK 500 2 CYS A 11 87.66 -18.56 REMARK 500 2 PRO A 13 44.48 -68.03 REMARK 500 2 CYS A 14 -49.78 -152.10 REMARK 500 3 CYS A 2 -59.88 -150.83 REMARK 500 3 ALA A 10 53.76 -155.83 REMARK 500 3 PRO A 13 46.92 -64.83 REMARK 500 3 CYS A 14 -50.58 -165.39 REMARK 500 4 CYS A 2 -60.41 -145.54 REMARK 500 4 PRO A 7 102.77 -40.91 REMARK 500 4 ASN A 8 -104.90 -65.98 REMARK 500 4 ALA A 9 79.67 -19.29 REMARK 500 4 ALA A 10 -54.59 145.51 REMARK 500 4 PRO A 13 44.93 -68.05 REMARK 500 4 CYS A 14 -51.11 -150.55 REMARK 500 5 CYS A 2 -49.10 -156.60 REMARK 500 5 CYS A 3 30.71 -87.66 REMARK 500 5 PRO A 13 42.79 -68.40 REMARK 500 5 CYS A 14 -49.66 -167.19 REMARK 500 6 CYS A 2 -96.96 -142.56 REMARK 500 6 ALA A 10 47.12 -156.66 REMARK 500 6 PRO A 13 45.41 -68.39 REMARK 500 6 CYS A 14 -42.78 -166.64 REMARK 500 6 CYS A 23 48.42 -100.41 REMARK 500 7 CYS A 2 -69.84 -153.23 REMARK 500 7 ALA A 10 53.25 -154.34 REMARK 500 7 PRO A 13 49.84 -63.68 REMARK 500 7 CYS A 14 -44.34 -163.85 REMARK 500 8 CYS A 2 -58.93 -149.15 REMARK 500 8 SER A 5 40.06 -87.88 REMARK 500 8 PRO A 7 171.69 -53.83 REMARK 500 8 PRO A 13 46.34 -65.63 REMARK 500 8 CYS A 14 -43.39 -164.27 REMARK 500 8 ASP A 18 78.07 -105.34 REMARK 500 8 CYS A 23 59.47 -94.22 REMARK 500 9 CYS A 2 -48.55 -149.00 REMARK 500 9 PRO A 13 45.46 -67.03 REMARK 500 9 CYS A 14 -49.67 -166.40 REMARK 500 10 CYS A 2 -67.47 -154.28 REMARK 500 10 ASN A 8 49.17 -80.84 REMARK 500 10 ALA A 10 55.57 -152.31 REMARK 500 10 PRO A 13 51.60 -62.97 REMARK 500 10 CYS A 14 -48.61 -164.70 REMARK 500 11 CYS A 2 -58.71 -147.61 REMARK 500 REMARK 500 THIS ENTRY HAS 61 RAMACHANDRAN OUTLIERS. 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 TYR A 22 0.12 SIDE CHAIN REMARK 500 2 TYR A 22 0.13 SIDE CHAIN REMARK 500 3 TYR A 22 0.08 SIDE CHAIN REMARK 500 4 TYR A 22 0.13 SIDE CHAIN REMARK 500 7 TYR A 22 0.07 SIDE CHAIN REMARK 500 8 TYR A 22 0.09 SIDE CHAIN REMARK 500 9 TYR A 22 0.09 SIDE CHAIN REMARK 500 10 TYR A 22 0.10 SIDE CHAIN REMARK 500 11 TYR A 22 0.09 SIDE CHAIN REMARK 500 12 TYR A 22 0.09 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 26 DBREF 1P1P A 1 25 UNP P55963 CXA4_CONPU 1 25 SEQADV 1P1P HYP A 20 UNP P55963 PRO 20 CONFLICT SEQRES 1 A 26 GLY CYS CYS GLY SER TYR PRO ASN ALA ALA CYS HIS PRO SEQRES 2 A 26 CYS SER CYS LYS ASP ARG HYP SER TYR CYS GLY GLN NH2 MODRES 1P1P HYP A 20 PRO 4-HYDROXYPROLINE HET HYP A 20 15 HET NH2 A 26 3 HETNAM HYP 4-HYDROXYPROLINE HETNAM NH2 AMINO GROUP HETSYN HYP HYDROXYPROLINE FORMUL 1 HYP C5 H9 N O3 FORMUL 1 NH2 H2 N HELIX 1 H1 SER A 21 GLY A 24 5 4 SSBOND 1 CYS A 2 CYS A 16 1555 1555 2.05 SSBOND 2 CYS A 3 CYS A 11 1555 1555 2.05 SSBOND 3 CYS A 14 CYS A 23 1555 1555 2.02 LINK C ARG A 19 N HYP A 20 1555 1555 1.34 LINK C HYP A 20 N SER A 21 1555 1555 1.33 LINK C GLN A 25 N NH2 A 26 1555 1555 1.33 SITE 1 AC1 2 SER A 21 GLN A 25 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