HEADER MEMBRANE PROTEIN 15-AUG-11 3TET TITLE CRYSTAL STRUCTURE OF NAK2K CHANNEL Y66F MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 226900; SOURCE 4 STRAIN: ATCC 14579 / DSM 31; SOURCE 5 GENE: BC_0669; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: SG13009; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PQE-60 KEYWDS MEMBRANE PROTEIN, ION CHANNEL EXPDTA X-RAY DIFFRACTION AUTHOR D.B.SAUER,W.ZENG,S.RAGHUNATHAN,Y.JIANG REVDAT 2 28-FEB-24 3TET 1 REMARK SEQADV LINK REVDAT 1 19-OCT-11 3TET 0 JRNL AUTH D.B.SAUER,W.ZENG,S.RAGHUNATHAN,Y.JIANG JRNL TITL PROTEIN INTERACTIONS CENTRAL TO STABILIZING THE K+ CHANNEL JRNL TITL 2 SELECTIVITY FILTER IN A FOUR-SITED CONFIGURATION FOR JRNL TITL 3 SELECTIVE K+ PERMEATION. JRNL REF PROC.NATL.ACAD.SCI.USA V. 108 16634 2011 JRNL REFN ISSN 0027-8424 JRNL PMID 21933962 JRNL DOI 10.1073/PNAS.1111688108 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (PHENIX.REFINE: 1.7.1_743) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.81 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 15723 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.208 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.239 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.140 REMARK 3 FREE R VALUE TEST SET COUNT : 808 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 33.8178 - 3.4521 0.98 2496 128 0.2213 0.2492 REMARK 3 2 3.4521 - 2.7405 1.00 2474 142 0.1985 0.2572 REMARK 3 3 2.7405 - 2.3941 1.00 2513 137 0.1870 0.2007 REMARK 3 4 2.3941 - 2.1753 1.00 2454 139 0.1974 0.2282 REMARK 3 5 2.1753 - 2.0194 1.00 2504 133 0.1962 0.2305 REMARK 3 6 2.0194 - 1.9000 1.00 2474 129 0.2051 0.2215 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 0.70 REMARK 3 SHRINKAGE RADIUS : 0.38 REMARK 3 K_SOL : 0.37 REMARK 3 B_SOL : 62.74 REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.410 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 21.750 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) : -0.17900 REMARK 3 B22 (A**2) : -0.17900 REMARK 3 B33 (A**2) : 0.35810 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.010 1521 REMARK 3 ANGLE : 1.123 2074 REMARK 3 CHIRALITY : 0.078 259 REMARK 3 PLANARITY : 0.005 252 REMARK 3 DIHEDRAL : 12.645 522 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3TET COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-AUG-11. REMARK 100 THE DEPOSITION ID IS D_1000067393. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUN-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 23-ID-D REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0332 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15737 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.520 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 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.93 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.05 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 77.5% MPD, 100MM MES, 100MM KCL, PH REMARK 280 6.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y,X,Z REMARK 290 4555 Y,-X,Z REMARK 290 5555 X+1/2,Y+1/2,Z+1/2 REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 8555 Y+1/2,-X+1/2,Z+1/2 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 0.00000 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 0.00000 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 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 33.81250 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.81250 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 44.54600 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 33.81250 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.81250 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 44.54600 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 33.81250 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 33.81250 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 44.54600 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 33.81250 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 33.81250 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 44.54600 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6510 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17960 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -62.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6470 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18800 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -62.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 K K A 1 LIES ON A SPECIAL POSITION. REMARK 375 K K A 2 LIES ON A SPECIAL POSITION. REMARK 375 K K A 3 LIES ON A SPECIAL POSITION. REMARK 375 K K A 5 LIES ON A SPECIAL POSITION. REMARK 375 K K B 4 LIES ON A SPECIAL POSITION. REMARK 375 K K B 6 LIES ON A SPECIAL POSITION. REMARK 375 K K B 7 LIES ON A SPECIAL POSITION. REMARK 375 K K B 8 LIES ON A SPECIAL POSITION. 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 MET A 18 REMARK 465 ALA A 19 REMARK 465 LYS A 20 REMARK 465 ARG A 114 REMARK 465 MET B 18 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT 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 OD1 ASP A 68 O HOH A 13 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 NH2 ARG B 114 O HOH A 116 7454 2.15 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 VAL A 102 -58.69 -124.70 REMARK 500 VAL B 102 -55.93 -120.34 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 1 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 63 O REMARK 620 2 VAL A 64 O 73.3 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 2 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 65 O REMARK 620 2 PHE A 66 O 68.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 3 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 64 O REMARK 620 2 GLY A 65 O 72.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 5 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 63 OG1 REMARK 620 2 THR A 63 O 59.5 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 4 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 63 O REMARK 620 2 VAL B 64 O 71.5 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 6 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 63 OG1 REMARK 620 2 THR B 63 O 59.5 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 7 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL B 64 O REMARK 620 2 GLY B 65 O 71.8 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K B 8 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY B 65 O REMARK 620 2 PHE B 66 O 66.5 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K A 5 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 4 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 6 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 7 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 8 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3OUF RELATED DB: PDB REMARK 900 STRUCTURE OF A K+ SELECTIVE NAK MUTANT REMARK 900 RELATED ID: 3T4D RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF NAK2K CHANNEL Y55F MUTANT REMARK 900 RELATED ID: 3T4Z RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF NAK2K CHANNEL Y55W MUTANT DBREF 3TET A 20 110 UNP Q81HW2 Q81HW2_BACCR 20 110 DBREF 3TET B 20 110 UNP Q81HW2 Q81HW2_BACCR 20 110 SEQADV 3TET MET A 18 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET ALA A 19 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET PHE A 66 UNP Q81HW2 ASP 66 ENGINEERED MUTATION SEQADV 3TET ASP A 68 UNP Q81HW2 ASN 68 ENGINEERED MUTATION SEQADV 3TET LEU A 111 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET VAL A 112 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET PRO A 113 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET ARG A 114 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET MET B 18 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET ALA B 19 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET PHE B 66 UNP Q81HW2 ASP 66 ENGINEERED MUTATION SEQADV 3TET ASP B 68 UNP Q81HW2 ASN 68 ENGINEERED MUTATION SEQADV 3TET LEU B 111 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET VAL B 112 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET PRO B 113 UNP Q81HW2 EXPRESSION TAG SEQADV 3TET ARG B 114 UNP Q81HW2 EXPRESSION TAG SEQRES 1 A 97 MET ALA LYS ASP LYS GLU PHE GLN VAL LEU PHE VAL LEU SEQRES 2 A 97 THR ILE LEU THR LEU ILE SER GLY THR ILE PHE TYR SER SEQRES 3 A 97 THR VAL GLU GLY LEU ARG PRO ILE ASP ALA LEU TYR PHE SEQRES 4 A 97 SER VAL VAL THR LEU THR THR VAL GLY PHE GLY ASP PHE SEQRES 5 A 97 SER PRO GLN THR ASP PHE GLY LYS ILE PHE THR ILE LEU SEQRES 6 A 97 TYR ILE PHE ILE GLY ILE GLY LEU VAL PHE GLY PHE ILE SEQRES 7 A 97 HIS LYS LEU ALA VAL ASN VAL GLN LEU PRO SER ILE LEU SEQRES 8 A 97 SER ASN LEU VAL PRO ARG SEQRES 1 B 97 MET ALA LYS ASP LYS GLU PHE GLN VAL LEU PHE VAL LEU SEQRES 2 B 97 THR ILE LEU THR LEU ILE SER GLY THR ILE PHE TYR SER SEQRES 3 B 97 THR VAL GLU GLY LEU ARG PRO ILE ASP ALA LEU TYR PHE SEQRES 4 B 97 SER VAL VAL THR LEU THR THR VAL GLY PHE GLY ASP PHE SEQRES 5 B 97 SER PRO GLN THR ASP PHE GLY LYS ILE PHE THR ILE LEU SEQRES 6 B 97 TYR ILE PHE ILE GLY ILE GLY LEU VAL PHE GLY PHE ILE SEQRES 7 B 97 HIS LYS LEU ALA VAL ASN VAL GLN LEU PRO SER ILE LEU SEQRES 8 B 97 SER ASN LEU VAL PRO ARG HET K A 1 1 HET K A 2 1 HET K A 3 1 HET K A 5 1 HET K B 4 1 HET K B 6 1 HET K B 7 1 HET K B 8 1 HETNAM K POTASSIUM ION FORMUL 3 K 8(K 1+) FORMUL 11 HOH *22(H2 O) HELIX 1 1 ASP A 21 GLU A 46 1 26 HELIX 2 2 ARG A 49 THR A 62 1 14 HELIX 3 3 THR A 73 VAL A 102 1 30 HELIX 4 4 VAL A 102 VAL A 112 1 11 HELIX 5 5 LYS B 20 GLU B 46 1 27 HELIX 6 6 ARG B 49 THR B 62 1 14 HELIX 7 7 THR B 73 VAL B 102 1 30 HELIX 8 8 VAL B 102 LEU B 111 1 10 LINK K K A 1 O THR A 63 1555 1555 2.83 LINK K K A 1 O VAL A 64 1555 1555 2.91 LINK K K A 2 O GLY A 65 1555 1555 3.23 LINK K K A 2 O PHE A 66 1555 1555 2.80 LINK K K A 3 O VAL A 64 1555 1555 2.90 LINK K K A 3 O GLY A 65 1555 1555 2.87 LINK K K A 5 OG1 THR A 63 1555 1555 2.86 LINK K K A 5 O THR A 63 1555 1555 3.01 LINK K K B 4 O THR B 63 1555 1555 2.86 LINK K K B 4 O VAL B 64 1555 1555 2.95 LINK K K B 6 OG1 THR B 63 1555 1555 3.01 LINK K K B 6 O THR B 63 1555 1555 3.06 LINK K K B 7 O VAL B 64 1555 1555 2.96 LINK K K B 7 O GLY B 65 1555 1555 2.88 LINK K K B 8 O GLY B 65 1555 1555 3.23 LINK K K B 8 O PHE B 66 1555 1555 2.96 SITE 1 AC1 4 K A 3 K A 5 THR A 63 VAL A 64 SITE 1 AC2 3 K A 3 GLY A 65 PHE A 66 SITE 1 AC3 4 K A 1 K A 2 VAL A 64 GLY A 65 SITE 1 AC4 2 K A 1 THR A 63 SITE 1 AC5 4 K B 6 K B 7 THR B 63 VAL B 64 SITE 1 AC6 2 K B 4 THR B 63 SITE 1 AC7 4 K B 4 K B 8 VAL B 64 GLY B 65 SITE 1 AC8 3 K B 7 GLY B 65 PHE B 66 CRYST1 67.625 67.625 89.092 90.00 90.00 90.00 I 4 16 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 0.014787 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014787 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011224 0.00000