HEADER TOXIN 02-AUG-05 2AK0
TITLE STRUCTURE OF CYCLIC CONOTOXIN MII-7
COMPND MOL_ID: 1;
COMPND 2 MOLECULE: ALPHA-CONOTOXIN MII;
COMPND 3 CHAIN: A;
COMPND 4 SYNONYM: CYCLIC MII-7, M2;
COMPND 5 ENGINEERED: YES;
COMPND 6 OTHER_DETAILS: GAGGAAG IS USED AS A LINKER TO CYCLISE THE PEPTIDE
SOURCE MOL_ID: 1;
SOURCE 2 SYNTHETIC: YES;
SOURCE 3 OTHER_DETAILS: A LINEAR PEPTIDE OCCURS NATURALLY IN CONE SNAILS
KEYWDS ALPHA-HELIX, CYCLIC BACKBONE, TOXIN
EXPDTA SOLUTION NMR
NUMMDL 20
AUTHOR R.J.CLARK,H.FISCHER,L.DEMPSTER,N.L.DALY,K.J.ROSENGREN,S.T.NEVIN,
AUTHOR 2 F.A.MEUNIER,D.J.ADAMS,D.J.CRAIK
REVDAT 5 30-OCT-24 2AK0 1 REMARK
REVDAT 4 09-MAR-22 2AK0 1 REMARK SEQADV
REVDAT 3 24-FEB-09 2AK0 1 VERSN
REVDAT 2 01-NOV-05 2AK0 1 JRNL
REVDAT 1 06-SEP-05 2AK0 0
JRNL AUTH R.J.CLARK,H.FISCHER,L.DEMPSTER,N.L.DALY,K.J.ROSENGREN,
JRNL AUTH 2 S.T.NEVIN,F.A.MEUNIER,D.J.ADAMS,D.J.CRAIK
JRNL TITL ENGINEERING STABLE PEPTIDE TOXINS BY MEANS OF BACKBONE
JRNL TITL 2 CYCLIZATION: STABILIZATION OF THE {ALPHA}-CONOTOXIN MII.
JRNL REF PROC.NATL.ACAD.SCI.USA V. 102 13767 2005
JRNL REFN ISSN 0027-8424
JRNL PMID 16162671
JRNL DOI 10.1073/PNAS.0504613102
REMARK 2
REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3
REMARK 3 REFINEMENT.
REMARK 3 PROGRAM : XWINNMR 1.3.5, CNS 1.1
REMARK 3 AUTHORS : BRUKER (XWINNMR),
REMARK 3 BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-KUNSTLEVE,JIANG,KUSZEWSKI,
REMARK 3 NILGES, PANNU,READ,RICE,SIMONSON,WARREN (CNS)
REMARK 3
REMARK 3 OTHER REFINEMENT REMARKS: NULL
REMARK 4
REMARK 4 2AK0 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 04-AUG-05.
REMARK 100 THE DEPOSITION ID IS D_1000033985.
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 : 1MM CYCLIC MII-7
REMARK 210
REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; 2D TOCSY; DQF-COSY; E
REMARK 210 -COSY
REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ; 600 MHZ; 750 MHZ
REMARK 210 SPECTROMETER MODEL : AVANCE; DMX
REMARK 210 SPECTROMETER MANUFACTURER : BRUKER
REMARK 210
REMARK 210 STRUCTURE DETERMINATION.
REMARK 210 SOFTWARE USED : XEASY 1.3.7, DYANA 1.5, CNS 1.1
REMARK 210 METHOD USED : SIMULATED ANNEALING
REMARK 210
REMARK 210 CONFORMERS, NUMBER CALCULATED : 50
REMARK 210 CONFORMERS, NUMBER SUBMITTED : 20
REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LOWEST
REMARK 210 ENERGY
REMARK 210
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1
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: 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 N GLY A 1 C GLY A 23 1.33
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 HIS A 12 40.98 -89.64
REMARK 500 2 HIS A 12 42.34 -93.92
REMARK 500 2 ALA A 18 42.00 -87.34
REMARK 500 3 HIS A 12 46.51 -107.92
REMARK 500 3 CYS A 16 36.87 -78.88
REMARK 500 3 ALA A 18 115.66 -170.71
REMARK 500 3 ALA A 21 42.82 -78.89
REMARK 500 4 HIS A 12 40.62 -97.21
REMARK 500 4 ALA A 21 38.33 -82.18
REMARK 500 4 ALA A 22 132.49 -174.67
REMARK 500 5 CYS A 16 38.36 -92.12
REMARK 500 6 HIS A 12 43.43 -97.32
REMARK 500 6 CYS A 16 46.28 -83.06
REMARK 500 6 ALA A 22 -152.38 60.96
REMARK 500 7 HIS A 12 41.37 -93.58
REMARK 500 8 HIS A 12 35.02 -92.68
REMARK 500 9 HIS A 12 43.58 -91.65
REMARK 500 9 CYS A 16 38.67 -89.97
REMARK 500 10 HIS A 12 50.37 -100.34
REMARK 500 10 ALA A 18 57.47 -105.92
REMARK 500 10 ALA A 21 74.62 -150.82
REMARK 500 11 HIS A 12 38.69 -90.56
REMARK 500 11 CYS A 16 47.14 -101.34
REMARK 500 12 HIS A 12 41.02 -103.64
REMARK 500 12 ALA A 18 47.14 -98.06
REMARK 500 13 HIS A 12 38.22 -92.48
REMARK 500 13 ALA A 21 139.95 -172.34
REMARK 500 13 ALA A 22 149.77 67.55
REMARK 500 14 CYS A 16 33.86 -87.09
REMARK 500 14 ALA A 18 41.34 -156.19
REMARK 500 15 HIS A 12 43.46 -91.57
REMARK 500 15 CYS A 16 41.87 -93.29
REMARK 500 16 ALA A 21 144.09 -178.54
REMARK 500 16 ALA A 22 -151.96 57.45
REMARK 500 17 HIS A 12 44.46 -91.34
REMARK 500 17 CYS A 16 36.60 -82.42
REMARK 500 17 ALA A 18 41.32 -153.25
REMARK 500 18 HIS A 12 47.99 -92.20
REMARK 500 18 CYS A 16 38.87 -89.96
REMARK 500 18 ALA A 21 -147.00 -165.82
REMARK 500 18 ALA A 22 -158.08 63.40
REMARK 500 19 HIS A 12 43.26 -98.08
REMARK 500 19 CYS A 16 42.38 -83.13
REMARK 500 20 HIS A 12 39.01 -89.52
REMARK 500
REMARK 500 REMARK: NULL
REMARK 900
REMARK 900 RELATED ENTRIES
REMARK 900 RELATED ID: 2AJW RELATED DB: PDB
REMARK 900 THE SAME "PARENT" PEPTIDE CYCLIZED WITH A DIFFERENT SIZE LINKER
REMARK 900 (GGAAGG)
DBREF 2AK0 A 1 16 UNP P56636 CXA2_CONMA 22 37
SEQADV 2AK0 GLY A 17 UNP P56636 LINKER
SEQADV 2AK0 ALA A 18 UNP P56636 LINKER
SEQADV 2AK0 GLY A 19 UNP P56636 LINKER
SEQADV 2AK0 GLY A 20 UNP P56636 LINKER
SEQADV 2AK0 ALA A 21 UNP P56636 LINKER
SEQADV 2AK0 ALA A 22 UNP P56636 LINKER
SEQADV 2AK0 GLY A 23 UNP P56636 LINKER
SEQRES 1 A 23 GLY CYS CYS SER ASN PRO VAL CYS HIS LEU GLU HIS SER
SEQRES 2 A 23 ASN LEU CYS GLY ALA GLY GLY ALA ALA GLY
HELIX 1 1 ASN A 5 HIS A 12 1 8
HELIX 2 2 HIS A 12 GLY A 17 1 6
SSBOND 1 CYS A 2 CYS A 8 1555 1555 2.03
SSBOND 2 CYS A 3 CYS A 16 1555 1555 2.03
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