HEADER MEMBRANE PROTEIN 02-APR-01 1ID1 TITLE CRYSTAL STRUCTURE OF THE RCK DOMAIN FROM E.COLI POTASSIUM CHANNEL COMPND MOL_ID: 1; COMPND 2 MOLECULE: PUTATIVE POTASSIUM CHANNEL PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: C-TERMINAL DOMAIN, RESIDUES 241-393; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET21B(+) KEYWDS RCK DOMAIN, E.COLI POTASSIUM CHANNEL, BK CHANNEL, ROSSMANN FOLD, KEYWDS 2 MEMBRANE PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.JIANG,A.PICO,M.CADENE,B.T.CHAIT,R.MACKINNON REVDAT 3 07-FEB-24 1ID1 1 REMARK REVDAT 2 24-FEB-09 1ID1 1 VERSN REVDAT 1 11-APR-01 1ID1 0 JRNL AUTH Y.JIANG,A.PICO,M.CADENE,B.T.CHAIT,R.MACKINNON JRNL TITL STRUCTURE OF THE RCK DOMAIN FROM THE E. COLI K+ CHANNEL AND JRNL TITL 2 DEMONSTRATION OF ITS PRESENCE IN THE HUMAN BK CHANNEL. JRNL REF NEURON V. 29 593 2001 JRNL REFN ISSN 0896-6273 JRNL PMID 11301020 JRNL DOI 10.1016/S0896-6273(01)00236-7 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 17912 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.208 REMARK 3 FREE R VALUE : 0.236 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1818 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2263 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 57 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ID1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-APR-01. REMARK 100 THE DEPOSITION ID IS D_1000013171. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-MAY-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRANDEIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 30.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 REMARK 200 DATA REDUNDANCY IN SHELL : 4.80 REMARK 200 R MERGE FOR SHELL (I) : 0.08600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.16 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.53 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, SODIUM CHLORIDE, TRIS, PH REMARK 280 8.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y,X,Z+1/4 REMARK 290 4555 Y,-X,Z+3/4 REMARK 290 REMARK 290 WHERE NNN -> OPERATOR NUMBER REMARK 290 MMM -> TRANSLATION VECTOR REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY REMARK 290 RELATED MOLECULES. REMARK 290 SMTRY1 1 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 1 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 1 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.12000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 27.56000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 82.68000 REMARK 290 REMARK 290 REMARK: NULL 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3430 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13470 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 HIS B 3 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 LYS A 5 CG CD CE NZ REMARK 470 GLU A 39 CG CD OE1 OE2 REMARK 470 ASP A 40 CG OD1 OD2 REMARK 470 LYS A 43 CG CD CE NZ REMARK 470 GLN A 44 CG CD OE1 NE2 REMARK 470 GLN A 47 CG CD OE1 NE2 REMARK 470 ASP A 51 CG OD1 OD2 REMARK 470 ASN A 52 CG OD1 ND2 REMARK 470 LYS B 5 CG CD CE NZ REMARK 470 ASP B 6 CG OD1 OD2 REMARK 470 GLU B 39 CG CD OE1 OE2 REMARK 470 ASP B 40 CG OD1 OD2 REMARK 470 LYS B 43 CG CD CE NZ REMARK 470 GLN B 44 CG CD OE1 NE2 REMARK 470 GLN B 47 CG CD OE1 NE2 REMARK 470 ARG B 48 CG CD NE CZ NH1 NH2 REMARK 470 ASP B 51 CG OD1 OD2 REMARK 470 ASN B 52 CG OD1 ND2 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 ASN A 52 42.81 -96.01 REMARK 500 ASP A 54 79.12 -113.21 REMARK 500 SER A 99 -55.29 99.73 REMARK 500 ASP B 6 48.75 34.38 REMARK 500 HIS B 13 23.98 -141.75 REMARK 500 GLU B 39 -50.58 -29.21 REMARK 500 ALA B 53 94.67 -44.57 REMARK 500 MET B 97 -65.71 -99.50 REMARK 500 SER B 99 6.46 56.15 REMARK 500 REMARK 500 REMARK: NULL DBREF 1ID1 A 3 155 UNP P31069 KCH_ECOLI 241 393 DBREF 1ID1 B 3 155 UNP P31069 KCH_ECOLI 241 393 SEQRES 1 A 153 HIS ARG LYS ASP HIS PHE ILE VAL CYS GLY HIS SER ILE SEQRES 2 A 153 LEU ALA ILE ASN THR ILE LEU GLN LEU ASN GLN ARG GLY SEQRES 3 A 153 GLN ASN VAL THR VAL ILE SER ASN LEU PRO GLU ASP ASP SEQRES 4 A 153 ILE LYS GLN LEU GLU GLN ARG LEU GLY ASP ASN ALA ASP SEQRES 5 A 153 VAL ILE PRO GLY ASP SER ASN ASP SER SER VAL LEU LYS SEQRES 6 A 153 LYS ALA GLY ILE ASP ARG CYS ARG ALA ILE LEU ALA LEU SEQRES 7 A 153 SER ASP ASN ASP ALA ASP ASN ALA PHE VAL VAL LEU SER SEQRES 8 A 153 ALA LYS ASP MET SER SER ASP VAL LYS THR VAL LEU ALA SEQRES 9 A 153 VAL SER ASP SER LYS ASN LEU ASN LYS ILE LYS MET VAL SEQRES 10 A 153 HIS PRO ASP ILE ILE LEU SER PRO GLN LEU PHE GLY SER SEQRES 11 A 153 GLU ILE LEU ALA ARG VAL LEU ASN GLY GLU GLU ILE ASN SEQRES 12 A 153 ASN ASP MET LEU VAL SER MET LEU LEU ASN SEQRES 1 B 153 HIS ARG LYS ASP HIS PHE ILE VAL CYS GLY HIS SER ILE SEQRES 2 B 153 LEU ALA ILE ASN THR ILE LEU GLN LEU ASN GLN ARG GLY SEQRES 3 B 153 GLN ASN VAL THR VAL ILE SER ASN LEU PRO GLU ASP ASP SEQRES 4 B 153 ILE LYS GLN LEU GLU GLN ARG LEU GLY ASP ASN ALA ASP SEQRES 5 B 153 VAL ILE PRO GLY ASP SER ASN ASP SER SER VAL LEU LYS SEQRES 6 B 153 LYS ALA GLY ILE ASP ARG CYS ARG ALA ILE LEU ALA LEU SEQRES 7 B 153 SER ASP ASN ASP ALA ASP ASN ALA PHE VAL VAL LEU SER SEQRES 8 B 153 ALA LYS ASP MET SER SER ASP VAL LYS THR VAL LEU ALA SEQRES 9 B 153 VAL SER ASP SER LYS ASN LEU ASN LYS ILE LYS MET VAL SEQRES 10 B 153 HIS PRO ASP ILE ILE LEU SER PRO GLN LEU PHE GLY SER SEQRES 11 B 153 GLU ILE LEU ALA ARG VAL LEU ASN GLY GLU GLU ILE ASN SEQRES 12 B 153 ASN ASP MET LEU VAL SER MET LEU LEU ASN FORMUL 3 HOH *57(H2 O) HELIX 1 1 SER A 14 ARG A 27 1 14 HELIX 2 2 PRO A 38 GLY A 50 1 13 HELIX 3 3 ASP A 62 GLY A 70 1 9 HELIX 4 4 ASN A 83 SER A 98 1 16 HELIX 5 5 ASP A 109 LYS A 111 5 3 HELIX 6 6 ASN A 112 MET A 118 1 7 HELIX 7 7 SER A 126 ASN A 140 1 15 HELIX 8 8 ASN A 145 MET A 152 1 8 HELIX 9 9 SER B 14 ARG B 27 1 14 HELIX 10 10 PRO B 38 LEU B 49 1 12 HELIX 11 11 ASP B 62 GLY B 70 1 9 HELIX 12 12 ASN B 83 SER B 98 1 16 HELIX 13 13 ASP B 109 LYS B 111 5 3 HELIX 14 14 ASN B 112 MET B 118 1 7 HELIX 15 15 SER B 126 ASN B 140 1 15 HELIX 16 16 ASN B 145 LEU B 154 1 10 SHEET 1 A 6 ASP A 54 PRO A 57 0 SHEET 2 A 6 VAL A 31 SER A 35 1 O VAL A 31 N ASP A 54 SHEET 3 A 6 PHE A 8 CYS A 11 1 O PHE A 8 N THR A 32 SHEET 4 A 6 ALA A 76 ALA A 79 1 O ALA A 76 N ILE A 9 SHEET 5 A 6 THR A 103 ALA A 106 1 O VAL A 104 N ALA A 79 SHEET 6 A 6 ILE A 123 LEU A 125 1 O ILE A 123 N LEU A 105 SHEET 1 B 6 ASP B 54 PRO B 57 0 SHEET 2 B 6 VAL B 31 SER B 35 1 O VAL B 31 N ASP B 54 SHEET 3 B 6 HIS B 7 CYS B 11 1 O PHE B 8 N THR B 32 SHEET 4 B 6 CYS B 74 ALA B 79 1 N ARG B 75 O HIS B 7 SHEET 5 B 6 THR B 103 ALA B 106 1 O VAL B 104 N ALA B 79 SHEET 6 B 6 ILE B 123 LEU B 125 1 O ILE B 123 N LEU B 105 CRYST1 65.510 65.510 110.240 90.00 90.00 90.00 P 41 8 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 0.015265 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015265 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009071 0.00000