HEADER TOXIN 17-JAN-00 1DU9 TITLE SOLUTION STRUCTURE OF BMP02, A NATURAL SCORPION TOXIN WHICH BLOCKS TITLE 2 APAMIN-SENSITIVE CALCIUM-ACTIVATED POTASSIUM CHANNELS, 25 STRUCTURES COMPND MOL_ID: 1; COMPND 2 MOLECULE: BMP02 NEUROTOXIN; COMPND 3 CHAIN: A SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MESOBUTHUS MARTENSII; SOURCE 3 ORGANISM_COMMON: CHINESE SCORPION; SOURCE 4 ORGANISM_TAXID: 34649; SOURCE 5 SECRETION: VENOM KEYWDS HELIX, SHEET, TOXIN EXPDTA SOLUTION NMR NUMMDL 25 MDLTYP MINIMIZED AVERAGE AUTHOR Y.XU,J.WU,J.PEI,Y.SHI,Y.JI,Q.TONG REVDAT 4 16-FEB-22 1DU9 1 REMARK REVDAT 3 24-FEB-09 1DU9 1 VERSN REVDAT 2 28-MAR-01 1DU9 1 JRNL REVDAT 1 04-FEB-00 1DU9 0 JRNL AUTH Y.XU,J.WU,J.PEI,Y.SHI,Y.JI,Q.TONG JRNL TITL SOLUTION STRUCTURE OF BMP02, A NEW POTASSIUM CHANNEL BLOCKER JRNL TITL 2 FROM THE VENOM OF THE CHINESE SCORPION BUTHUS MARTENSI JRNL TITL 3 KARSCH. JRNL REF BIOCHEMISTRY V. 39 13669 2000 JRNL REFN ISSN 0006-2960 JRNL PMID 11076505 JRNL DOI 10.1021/BI000860S REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNSSOLVE 0.9A, CNSSOLVE 0.9A REMARK 3 AUTHORS : BRUNGER (CNSSOLVE), BRUNGER (CNSSOLVE) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1DU9 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-JAN-00. REMARK 100 THE DEPOSITION ID IS D_1000010374. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 300 REMARK 210 PH : 4.0 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : 1 ATM REMARK 210 SAMPLE CONTENTS : 3MM BMP02; 90% H2O, 10% D2O; 3MM REMARK 210 BMP02; 100% D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 2D NOESY; DQF-COSY; TOCSY REMARK 210 SPECTROMETER FIELD STRENGTH : 500 MHZ REMARK 210 SPECTROMETER MODEL : DMX REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : NULL REMARK 210 METHOD USED : SIMULATED ANNEALING AND ENERGY REMARK 210 MINIMIZATION REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 50 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 25 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 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: 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 9 -77.76 -58.49 REMARK 500 1 LYS A 13 -41.38 -157.18 REMARK 500 1 ASN A 27 -84.43 -128.28 REMARK 500 2 CYS A 10 123.88 -177.50 REMARK 500 2 ASN A 27 -85.43 -157.89 REMARK 500 3 GLU A 5 29.63 -142.37 REMARK 500 3 ASN A 27 -82.26 -147.25 REMARK 500 4 HIS A 9 -75.19 -83.68 REMARK 500 4 LYS A 11 115.62 -174.34 REMARK 500 4 LYS A 13 -32.03 -157.32 REMARK 500 4 ASN A 27 -86.17 -135.33 REMARK 500 5 CYS A 10 104.28 55.61 REMARK 500 5 LYS A 13 -42.04 -160.00 REMARK 500 5 ASN A 27 -81.81 -125.66 REMARK 500 6 LYS A 13 -40.87 -156.08 REMARK 500 6 ASN A 27 -86.69 -138.74 REMARK 500 7 ASN A 14 29.08 -142.11 REMARK 500 7 ALA A 15 131.05 178.48 REMARK 500 7 ASN A 27 -84.01 -132.90 REMARK 500 8 HIS A 9 -77.72 -71.75 REMARK 500 8 LYS A 13 -37.34 -160.21 REMARK 500 8 ASN A 27 -83.08 -127.35 REMARK 500 9 ASN A 14 29.21 -140.43 REMARK 500 9 ALA A 15 129.75 -177.65 REMARK 500 9 ASN A 27 -83.24 -127.18 REMARK 500 10 HIS A 9 -75.36 -80.49 REMARK 500 10 LYS A 13 -25.52 -155.18 REMARK 500 10 ALA A 15 128.75 -176.03 REMARK 500 10 ASN A 27 -82.16 -124.88 REMARK 500 11 HIS A 9 -77.49 -76.11 REMARK 500 11 LYS A 13 -41.23 -158.85 REMARK 500 11 ASN A 27 -88.99 -121.72 REMARK 500 12 CYS A 10 -172.91 56.78 REMARK 500 12 LYS A 13 -34.57 -161.02 REMARK 500 13 MET A 8 -40.61 -176.96 REMARK 500 13 LYS A 13 -25.07 -153.65 REMARK 500 13 ALA A 15 128.42 -176.21 REMARK 500 13 ASN A 27 -82.02 -138.37 REMARK 500 14 ASN A 27 -82.45 -143.50 REMARK 500 15 HIS A 9 -79.13 -71.91 REMARK 500 15 ASN A 27 -82.36 -149.30 REMARK 500 16 MET A 8 -37.76 179.14 REMARK 500 16 CYS A 10 -83.81 -170.57 REMARK 500 16 LYS A 11 115.43 59.11 REMARK 500 16 LYS A 13 -58.66 -162.70 REMARK 500 16 ASN A 27 -86.59 -151.05 REMARK 500 17 CYS A 10 88.37 -150.25 REMARK 500 17 ASN A 27 -82.48 -140.90 REMARK 500 18 LYS A 13 -30.67 -161.12 REMARK 500 18 ALA A 15 128.83 -175.51 REMARK 500 REMARK 500 THIS ENTRY HAS 67 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL DBREF 1DU9 A 1 28 UNP Q9NJP7 SCP2_MESMA 29 56 SEQRES 1 A 28 VAL GLY CYS GLU GLU CYS PRO MET HIS CYS LYS GLY LYS SEQRES 2 A 28 ASN ALA LYS PRO THR CYS ASP ASP GLY VAL CYS ASN CYS SEQRES 3 A 28 ASN VAL HELIX 1 1 GLU A 5 CYS A 10 1 6 SHEET 1 A 2 PRO A 17 ASP A 20 0 SHEET 2 A 2 VAL A 23 CYS A 26 -1 O VAL A 23 N ASP A 20 SSBOND 1 CYS A 3 CYS A 19 1555 1555 2.03 SSBOND 2 CYS A 6 CYS A 24 1555 1555 2.03 SSBOND 3 CYS A 10 CYS A 26 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