10 20 30 40 50 60 70 80 2BMT - Header ----|----|----|----|----|----|----|----|----|----|----|----|----|----|----|----| Asymmetric UnitHEADER NEUROTOXIN 16-JUN-98 2BMT
TITLE SCORPION TOXIN BMTX2 FROM BUTHUS MARTENSII KARSCH, NMR, 25 TITLE 2 STRUCTURES
COMPND MOL_ID: 1; COMPND 2 MOLECULE: TOXIN BMTX2; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES
SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESOBUTHUS MARTENSII; SOURCE 3 ORGANISM_COMMON: CHINESE SCORPION; SOURCE 4 ORGANISM_TAXID: 34649; SOURCE 5 STRAIN: KARSCH
KEYWDS SCORPION, NEUROTOXIN, NMR, STRUCTURE, LARGE CONDUCTANCE KEYWDS 2 POTASSIUM CHANNEL, VOLTAGE GATED POTASSIUM CHANNEL, BUTHUS KEYWDS 3 MARTENSII
EXPDTA SOLUTION NMR
NUMMDL 25
AUTHOR E.BLANC,R.ROMI-LEBRUN,O.BORNET,T.NAKAJIMA,H.DARBON
REVDAT 2 24-FEB-09 2BMT 1 VERSN REVDAT 1 13-JAN-99 2BMT 0
JRNL AUTH E.BLANC,R.ROMI-LEBRUN,O.BORNET,T.NAKAJIMA,H.DARBON JRNL TITL SOLUTION STRUCTURE OF TWO NEW TOXINS FROM THE JRNL TITL 2 VENOM OF THE CHINESE SCORPION BUTHUS MARTENSI JRNL TITL 3 KARSCH BLOCKERS OF POTASSIUM CHANNELS. JRNL REF BIOCHEMISTRY V. 37 12412 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9730813 JRNL DOI 10.1021/BI9809371
REMARK 1
REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE.
REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.84 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: 10,000 ITERATIONS OF THE POWELL REMARK 3 ALGORITHM WITH CHARMM FORCE FIELD
REMARK 4 REMARK 4 2BMT COMPLIES WITH FORMAT V. 3.15, 01-DEC-08
REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.
REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 3 REMARK 210 IONIC STRENGTH : NULL REMARK 210 PRESSURE : NULL REMARK 210 SAMPLE CONTENTS : WATER REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : NOESY, TOCSY, COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : DRX500 REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : DIANA, DYANA REMARK 210 METHOD USED : DISTANCE GEOMETRY REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 25 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 25 REMARK 210 CONFORMERS, SELECTION CRITERIA : LEAST RESTRAINT VIOLATION 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 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 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.7 DEGREES REMARK 500 1 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.8 DEGREES REMARK 500 1 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.7 DEGREES REMARK 500 1 CYS A 17 CA - CB - SG ANGL. DEV. = 7.7 DEGREES REMARK 500 2 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.6 DEGREES REMARK 500 2 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 2 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.7 DEGREES REMARK 500 2 CYS A 17 CA - CB - SG ANGL. DEV. = 7.6 DEGREES REMARK 500 3 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.8 DEGREES REMARK 500 3 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.8 DEGREES REMARK 500 3 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.8 DEGREES REMARK 500 3 CYS A 17 CA - CB - SG ANGL. DEV. = 8.7 DEGREES REMARK 500 4 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.6 DEGREES REMARK 500 4 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 4 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.5 DEGREES REMARK 500 4 CYS A 17 CA - CB - SG ANGL. DEV. = 10.1 DEGREES REMARK 500 5 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.6 DEGREES REMARK 500 5 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.8 DEGREES REMARK 500 5 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.7 DEGREES REMARK 500 5 CYS A 17 CA - CB - SG ANGL. DEV. = 7.6 DEGREES REMARK 500 6 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.6 DEGREES REMARK 500 6 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 6 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.6 DEGREES REMARK 500 6 CYS A 17 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 7 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.4 DEGREES REMARK 500 7 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.8 DEGREES REMARK 500 7 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.5 DEGREES REMARK 500 7 CYS A 17 CA - CB - SG ANGL. DEV. = 8.8 DEGREES REMARK 500 8 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.8 DEGREES REMARK 500 8 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 8 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.7 DEGREES REMARK 500 8 CYS A 17 CA - CB - SG ANGL. DEV. = 9.4 DEGREES REMARK 500 9 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.7 DEGREES REMARK 500 9 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 8.1 DEGREES REMARK 500 9 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 8.0 DEGREES REMARK 500 9 CYS A 17 CA - CB - SG ANGL. DEV. = 8.1 DEGREES REMARK 500 10 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.8 DEGREES REMARK 500 10 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 8.0 DEGREES REMARK 500 10 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.8 DEGREES REMARK 500 10 CYS A 17 CA - CB - SG ANGL. DEV. = 7.7 DEGREES REMARK 500 11 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.7 DEGREES REMARK 500 11 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 11 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.8 DEGREES REMARK 500 11 CYS A 17 CA - CB - SG ANGL. DEV. = 9.3 DEGREES REMARK 500 12 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.7 DEGREES REMARK 500 12 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.8 DEGREES REMARK 500 12 TRP A 14 NE1 - CE2 - CZ2 ANGL. DEV. = 7.7 DEGREES REMARK 500 12 CYS A 17 CA - CB - SG ANGL. DEV. = 10.2 DEGREES REMARK 500 13 TRP A 14 CG - CD1 - NE1 ANGL. DEV. = -6.8 DEGREES REMARK 500 13 TRP A 14 CD1 - NE1 - CE2 ANGL. DEV. = 7.9 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 99 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 ALA A 9 166.95 130.14 REMARK 500 1 ARG A 25 75.75 -118.20 REMARK 500 1 ASN A 30 54.57 39.05 REMARK 500 1 SER A 31 41.44 38.40 REMARK 500 1 TYR A 36 -169.79 -128.16 REMARK 500 2 ALA A 9 173.58 121.46 REMARK 500 2 ARG A 25 71.20 -111.39 REMARK 500 3 ALA A 9 174.08 123.77 REMARK 500 3 SER A 31 33.22 37.61 REMARK 500 4 ALA A 9 168.87 123.16 REMARK 500 4 SER A 31 30.99 38.89 REMARK 500 5 ALA A 9 164.97 133.81 REMARK 500 5 ARG A 25 68.18 -115.34 REMARK 500 5 SER A 31 24.48 45.92 REMARK 500 5 TYR A 36 -64.77 -125.11 REMARK 500 6 ALA A 9 155.85 124.60 REMARK 500 6 TYR A 24 35.32 -97.75 REMARK 500 6 TYR A 36 -169.06 -125.40 REMARK 500 7 ALA A 9 169.11 124.79 REMARK 500 7 ARG A 25 71.42 -114.00 REMARK 500 7 SER A 31 28.58 45.64 REMARK 500 8 ALA A 9 171.98 125.84 REMARK 500 8 SER A 31 28.29 44.38 REMARK 500 8 TYR A 36 -64.36 -108.74 REMARK 500 9 ALA A 9 161.07 133.35 REMARK 500 10 ALA A 9 159.96 122.15 REMARK 500 11 ALA A 9 162.27 124.22 REMARK 500 11 ARG A 25 77.87 -117.95 REMARK 500 12 ALA A 9 164.68 135.39 REMARK 500 12 TYR A 36 -59.55 -123.61 REMARK 500 13 ALA A 9 171.08 125.06 REMARK 500 13 ARG A 25 76.97 -103.98 REMARK 500 14 ALA A 9 173.75 121.69 REMARK 500 14 ASN A 30 61.44 36.01 REMARK 500 14 SER A 31 31.77 39.93 REMARK 500 14 TYR A 36 -51.20 -122.48 REMARK 500 15 ALA A 9 162.95 124.24 REMARK 500 15 ASN A 30 58.54 38.18 REMARK 500 15 SER A 31 36.62 39.38 REMARK 500 16 ALA A 9 167.64 126.51 REMARK 500 16 ASN A 30 57.02 39.41 REMARK 500 16 SER A 31 35.24 37.81 REMARK 500 17 ALA A 9 164.50 126.15 REMARK 500 17 ARG A 25 77.39 -118.94 REMARK 500 17 SER A 31 29.35 43.63 REMARK 500 18 ALA A 9 162.21 122.64 REMARK 500 18 ARG A 25 73.06 -117.28 REMARK 500 18 SER A 31 35.80 36.61 REMARK 500 19 ALA A 9 163.99 129.37 REMARK 500 19 ARG A 25 65.43 -113.17 REMARK 500 20 ALA A 9 167.63 124.44 REMARK 500 20 SER A 31 23.16 46.54 REMARK 500 20 TYR A 36 -75.77 -134.05 REMARK 500 21 ALA A 9 176.53 121.82 REMARK 500 21 ASN A 30 62.48 35.56 REMARK 500 21 SER A 31 33.32 39.00 REMARK 500 21 TYR A 36 -86.92 -113.55 REMARK 500 22 ALA A 9 169.35 128.97 REMARK 500 23 ALA A 9 158.78 131.63 REMARK 500 23 ARG A 25 79.87 -109.82 REMARK 500 24 ALA A 9 159.13 131.40 REMARK 500 24 ASN A 30 60.75 36.60 REMARK 500 25 ALA A 9 160.58 139.45 REMARK 500 25 ARG A 25 77.15 -116.46 REMARK 500 25 SER A 31 35.58 37.05 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 25 0.32 SIDE_CHAIN REMARK 500 1 ARG A 34 0.27 SIDE_CHAIN REMARK 500 2 ARG A 25 0.31 SIDE_CHAIN REMARK 500 2 ARG A 34 0.31 SIDE_CHAIN REMARK 500 3 ARG A 25 0.31 SIDE_CHAIN REMARK 500 3 ARG A 34 0.21 SIDE_CHAIN REMARK 500 4 ARG A 25 0.27 SIDE_CHAIN REMARK 500 4 ARG A 34 0.31 SIDE_CHAIN REMARK 500 5 ARG A 25 0.30 SIDE_CHAIN REMARK 500 5 ARG A 34 0.30 SIDE_CHAIN REMARK 500 6 ARG A 25 0.30 SIDE_CHAIN REMARK 500 6 ARG A 34 0.32 SIDE_CHAIN REMARK 500 7 ARG A 25 0.32 SIDE_CHAIN REMARK 500 7 ARG A 34 0.28 SIDE_CHAIN REMARK 500 8 ARG A 25 0.31 SIDE_CHAIN REMARK 500 8 ARG A 34 0.31 SIDE_CHAIN REMARK 500 9 ARG A 25 0.31 SIDE_CHAIN REMARK 500 9 ARG A 34 0.31 SIDE_CHAIN REMARK 500 10 ARG A 25 0.31 SIDE_CHAIN REMARK 500 10 ARG A 34 0.25 SIDE_CHAIN REMARK 500 11 ARG A 25 0.31 SIDE_CHAIN REMARK 500 11 ARG A 34 0.25 SIDE_CHAIN REMARK 500 12 ARG A 25 0.32 SIDE_CHAIN REMARK 500 12 ARG A 34 0.15 SIDE_CHAIN REMARK 500 13 ARG A 25 0.22 SIDE_CHAIN REMARK 500 13 ARG A 34 0.15 SIDE_CHAIN REMARK 500 14 ARG A 25 0.31 SIDE_CHAIN REMARK 500 14 ARG A 34 0.23 SIDE_CHAIN REMARK 500 15 ARG A 25 0.28 SIDE_CHAIN REMARK 500 15 ARG A 34 0.30 SIDE_CHAIN REMARK 500 16 ARG A 25 0.27 SIDE_CHAIN REMARK 500 16 ARG A 34 0.21 SIDE_CHAIN REMARK 500 17 ARG A 25 0.31 SIDE_CHAIN REMARK 500 17 ARG A 34 0.20 SIDE_CHAIN REMARK 500 18 ARG A 25 0.30 SIDE_CHAIN REMARK 500 18 ARG A 34 0.30 SIDE_CHAIN REMARK 500 19 ARG A 25 0.26 SIDE_CHAIN REMARK 500 19 ARG A 34 0.20 SIDE_CHAIN REMARK 500 20 ARG A 25 0.32 SIDE_CHAIN REMARK 500 20 ARG A 34 0.30 SIDE_CHAIN REMARK 500 21 ARG A 25 0.30 SIDE_CHAIN REMARK 500 21 ARG A 34 0.23 SIDE_CHAIN REMARK 500 22 ARG A 25 0.31 SIDE_CHAIN REMARK 500 22 ARG A 34 0.31 SIDE_CHAIN REMARK 500 23 ARG A 25 0.17 SIDE_CHAIN REMARK 500 23 ARG A 34 0.29 SIDE_CHAIN REMARK 500 24 ARG A 25 0.30 SIDE_CHAIN REMARK 500 24 ARG A 34 0.31 SIDE_CHAIN REMARK 500 25 ARG A 25 0.31 SIDE_CHAIN REMARK 500 25 ARG A 34 0.31 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL
DBREF 2BMT A 2 37 UNP Q9NII5 SCK2_MESMA 23 58
SEQRES 1 A 37 PCA PHE THR ASN VAL SER CYS SER ALA SER SER GLN CYS SEQRES 2 A 37 TRP PRO VAL CYS LYS LYS LEU PHE GLY THR TYR ARG GLY SEQRES 3 A 37 LYS CYS MET ASN SER LYS CYS ARG CYS TYR SER
MODRES 2BMT PCA A 1 GLU PYROGLUTAMIC ACID
HET PCA A 1 14
HETNAM PCA PYROGLUTAMIC ACID
FORMUL 1 PCA C5 H7 N O3
HELIX 1 1 SER A 11 LEU A 20 1 10
SHEET 1 A 2 GLY A 26 MET A 29 0 SHEET 2 A 2 LYS A 32 CYS A 35 -1 N ARG A 34 O LYS A 27
SSBOND 1 CYS A 7 CYS A 28 1555 1555 2.02 SSBOND 2 CYS A 13 CYS A 33 1555 1555 2.02 SSBOND 3 CYS A 17 CYS A 35 1555 1555 2.02
LINK C PCA A 1 N PHE A 2 1555 1555 1.28
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