HEADER METAL TRANSPORT, MEMBRANE PROTEIN 27-JUL-01 1JO6 TITLE SOLUTION STRUCTURE OF THE CYTOPLASMIC N-TERMINUS OF THE BK BETA- TITLE 2 SUBUNIT KCNMB2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM LARGE CONDUCTANCE CALCIUM-ACTIVATED CHANNEL, COMPND 3 SUBFAMILY M, BETA MEMBER 2; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: CYTOPLASMIC N-TERMINUS OF KCNMB2, RESIDUES 1-45; COMPND 6 SYNONYM: KCNMB2; MAXIK CHANNEL BETA 2 SUBUNIT; LARGE CONDUCTANCE COMPND 7 CALCIUM-ACTIVATED POTASSIUM CHANNEL BETA2 SUBUNIT; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: THE 45-RESIDUE PEPTIDE WAS SYNTHESIZED BY STANDARD SOURCE 4 SOLID-PHASE SYNTHESIS. THE SEQUENCE OCCURS NATURALLY IN HUMANS. KEYWDS HELIX, ION CHANNEL, CYTOPLASMIC PART OF, METAL TRANSPORT, MEMBRANE KEYWDS 2 PROTEIN EXPDTA SOLUTION NMR NUMMDL 24 AUTHOR D.BENTROP,M.BEYERMANN,R.WISSMANN,B.FAKLER REVDAT 4 23-FEB-22 1JO6 1 REMARK REVDAT 3 24-FEB-09 1JO6 1 VERSN REVDAT 2 01-APR-03 1JO6 1 JRNL REVDAT 1 16-NOV-01 1JO6 0 JRNL AUTH D.BENTROP,M.BEYERMANN,R.WISSMANN,B.FAKLER JRNL TITL NMR STRUCTURE OF THE "BALL-AND-CHAIN" DOMAIN OF KCNMB2, THE JRNL TITL 2 BETA 2-SUBUNIT OF LARGE CONDUCTANCE CA2+- AND JRNL TITL 3 VOLTAGE-ACTIVATED POTASSIUM CHANNELS. JRNL REF J.BIOL.CHEM. V. 276 42116 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11517232 JRNL DOI 10.1074/JBC.M107118200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.WALLNER,P.MEERA,L.TORO REMARK 1 TITL MOLECULAR BASIS OF FAST INACTIVATION IN VOLTAGE AND REMARK 1 TITL 2 CA2+-ACTIVATED K+ CHANNELS: A TRANSMEMBRANE BETA-SUBUNIT REMARK 1 TITL 3 HOMOLOG REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 96 4137 1999 REMARK 1 REFN ISSN 0027-8424 REMARK 1 DOI 10.1073/PNAS.96.7.4137 REMARK 1 REFERENCE 2 REMARK 1 AUTH X.M.XIA,J.P.DING,C.J.LINGLE REMARK 1 TITL MOLECULAR BASIS FOR THE INACTIVATION OF CA2+- AND REMARK 1 TITL 2 VOLTAGE-DEPENDENT BK CHANNELS IN ADRENAL CHROMAFFIN CELLS REMARK 1 TITL 3 AND RAT INSULINOMA TUMOR CELLS REMARK 1 REF J.NEUROSCI. V. 19 5255 1999 REMARK 1 REFN ISSN 0270-6474 REMARK 2 REMARK 2 RESOLUTION. NOT APPLICABLE. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : XWINNMR 2.6, DYANA 1.5 REMARK 3 AUTHORS : BRUKER (XWINNMR), MUMENTHALER, GUENTERT (DYANA) REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE STRUCTURES ARE BASED ON 728 NOE-DERIVED DISTANCE CONSTRAINTS REMARK 3 (486 INTRARESIDUAL, 191 SEQUENTIAL, 51 MEDIUM-RANGE), 5 DIHEDRAL REMARK 3 ANGLE REMARK 3 RESTRAINTS, 11 STEREOSPECIFIC ASSIGNMENTS REMARK 4 REMARK 4 1JO6 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 07-AUG-01. REMARK 100 THE DEPOSITION ID IS D_1000013996. REMARK 210 REMARK 210 EXPERIMENTAL DETAILS REMARK 210 EXPERIMENT TYPE : NMR REMARK 210 TEMPERATURE (KELVIN) : 288 REMARK 210 PH : 3.0 REMARK 210 IONIC STRENGTH : 0 REMARK 210 PRESSURE : AMBIENT REMARK 210 SAMPLE CONTENTS : 2MM KCNMB2(RESIDUES 1-45), NA; REMARK 210 90% H2O, 10% D2O; 2MM REMARK 210 KCNMB2(RESIDUES 1-45), NA; 99.9% REMARK 210 D2O REMARK 210 REMARK 210 NMR EXPERIMENTS CONDUCTED : 1H-1H NOESY (2D); DQF-COSY REMARK 210 SPECTROMETER FIELD STRENGTH : 600 MHZ REMARK 210 SPECTROMETER MODEL : AVANCE REMARK 210 SPECTROMETER MANUFACTURER : BRUKER REMARK 210 REMARK 210 STRUCTURE DETERMINATION. REMARK 210 SOFTWARE USED : AURELIA 2.7.5, XEASY 1.3.13 REMARK 210 METHOD USED : SIMULATED ANNEALING, TORSION REMARK 210 ANGLE DYNAMICS REMARK 210 REMARK 210 CONFORMERS, NUMBER CALCULATED : 30 REMARK 210 CONFORMERS, NUMBER SUBMITTED : 24 REMARK 210 CONFORMERS, SELECTION CRITERIA : STRUCTURES WITH THE LEAST REMARK 210 RESTRAINT VIOLATIONS,TARGET REMARK 210 FUNCTION REMARK 210 REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1 REMARK 210 REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING STANDARD 2D HOMONUCLEAR REMARK 210 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 O ASP A 29 H ASP A 32 1.56 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 PHE A 2 -168.87 -61.96 REMARK 500 1 THR A 5 -135.69 -76.27 REMARK 500 1 SER A 6 111.49 173.12 REMARK 500 1 THR A 9 -167.92 -116.71 REMARK 500 1 SER A 11 -96.38 -65.04 REMARK 500 1 HIS A 15 -78.79 -61.50 REMARK 500 1 ASP A 16 133.27 -36.94 REMARK 500 1 VAL A 37 -178.70 -68.12 REMARK 500 1 THR A 38 154.58 -49.80 REMARK 500 1 LEU A 40 91.28 43.53 REMARK 500 1 ALA A 42 135.18 -170.68 REMARK 500 2 PHE A 2 142.74 -177.48 REMARK 500 2 THR A 5 -102.21 -69.69 REMARK 500 2 SER A 6 82.55 178.73 REMARK 500 2 THR A 9 -167.97 -116.71 REMARK 500 2 SER A 12 42.11 -88.30 REMARK 500 2 HIS A 15 -75.53 -59.75 REMARK 500 2 ASP A 16 142.06 -38.88 REMARK 500 2 GLU A 17 -95.67 -85.21 REMARK 500 2 LEU A 31 88.68 38.77 REMARK 500 2 LYS A 35 -94.25 49.50 REMARK 500 2 LYS A 41 175.68 -53.65 REMARK 500 2 GLU A 44 132.00 -179.37 REMARK 500 3 PHE A 2 143.00 -172.33 REMARK 500 3 THR A 9 -158.06 -83.31 REMARK 500 3 SER A 11 -96.24 -60.65 REMARK 500 3 ASP A 16 136.47 -38.80 REMARK 500 3 GLU A 17 -82.98 -86.96 REMARK 500 3 LYS A 35 -90.45 54.35 REMARK 500 3 THR A 36 -169.90 44.95 REMARK 500 3 THR A 38 165.72 -46.80 REMARK 500 3 LYS A 41 174.71 -57.67 REMARK 500 3 ALA A 42 166.60 -48.70 REMARK 500 3 GLU A 44 -59.28 -163.79 REMARK 500 4 PHE A 2 149.16 -174.07 REMARK 500 4 THR A 5 -136.53 -78.59 REMARK 500 4 SER A 6 88.39 40.80 REMARK 500 4 THR A 9 -158.04 -83.70 REMARK 500 4 SER A 11 -96.29 -84.92 REMARK 500 4 GLU A 17 -94.85 -85.17 REMARK 500 4 ARG A 34 -69.26 -130.77 REMARK 500 4 LYS A 35 -97.38 43.60 REMARK 500 4 THR A 36 -176.74 -174.41 REMARK 500 4 THR A 38 170.54 -45.34 REMARK 500 4 LYS A 41 178.02 -51.92 REMARK 500 4 GLU A 44 96.17 -47.41 REMARK 500 5 PHE A 2 138.63 -37.11 REMARK 500 5 THR A 5 -102.19 -51.78 REMARK 500 5 SER A 6 95.69 -164.53 REMARK 500 5 ARG A 8 150.94 -48.68 REMARK 500 REMARK 500 THIS ENTRY HAS 309 RAMACHANDRAN OUTLIERS. REMARK 500 REMARK 500 REMARK: NULL DBREF 1JO6 A 1 45 UNP Q9Y691 KCMB2_HUMAN 1 45 SEQRES 1 A 45 MET PHE ILE TRP THR SER GLY ARG THR SER SER SER TYR SEQRES 2 A 45 ARG HIS ASP GLU LYS ARG ASN ILE TYR GLN LYS ILE ARG SEQRES 3 A 45 ASP HIS ASP LEU LEU ASP LYS ARG LYS THR VAL THR ALA SEQRES 4 A 45 LEU LYS ALA GLY GLU ASP HELIX 1 1 ILE A 21 LEU A 30 1 10 CRYST1 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