HEADER TRANSPORT PROTEIN 26-AUG-14 4R6Z TITLE CRYSTAL STRUCTURE OF CNG MIMICKING NAK MUTANT, NAK-ETPP, CS+ COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: RESIDUES 20-110; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS ATCC 14579; 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: XL1-BLUE; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PQE60 KEYWDS ALPHA-HELICAL MEMBRANE PROTEIN, CHIMERA CHANNEL, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.DE MARCH,L.M.R.NAPOLITANO,S.ONESTI REVDAT 4 20-SEP-23 4R6Z 1 REMARK SEQADV LINK REVDAT 3 31-JAN-18 4R6Z 1 REMARK REVDAT 2 22-JUL-15 4R6Z 1 JRNL REVDAT 1 01-JUL-15 4R6Z 0 JRNL AUTH L.M.NAPOLITANO,I.BISHA,M.DE MARCH,A.MARCHESI,M.ARCANGELETTI, JRNL AUTH 2 N.DEMITRI,M.MAZZOLINI,A.RODRIGUEZ,A.MAGISTRATO,S.ONESTI, JRNL AUTH 3 A.LAIO,V.TORRE JRNL TITL A STRUCTURAL, FUNCTIONAL, AND COMPUTATIONAL ANALYSIS JRNL TITL 2 SUGGESTS PORE FLEXIBILITY AS THE BASE FOR THE POOR JRNL TITL 3 SELECTIVITY OF CNG CHANNELS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 112 E3619 2015 JRNL REFN ISSN 0027-8424 JRNL PMID 26100907 JRNL DOI 10.1073/PNAS.1503334112 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 54.43 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.700 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 8657 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.153 REMARK 3 R VALUE (WORKING SET) : 0.152 REMARK 3 FREE R VALUE : 0.182 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 432 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 REFLECTION IN BIN (WORKING SET) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE SET COUNT : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1356 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 81 REMARK 3 SOLVENT ATOMS : 64 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): NULL REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): NULL REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): NULL REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : NULL REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): NULL ; 0.018 ; NULL REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): NULL ; 1.981 ; NULL REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : NULL REMARK 3 ION PROBE RADIUS : NULL REMARK 3 SHRINKAGE RADIUS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REFINEMENT WITH TWIN OPTION IN REFMAC5 REMARK 4 REMARK 4 4R6Z COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-AUG-14. REMARK 100 THE DEPOSITION ID IS D_1000086977. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-JUL-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 - 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID29 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.2398 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 1330 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 54.430 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.700 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 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) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 54.43 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.11400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 3K0D REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CNG-ETPP(K+) CRYSTALS GROWN IN 100MM REMARK 280 MES PH 6.5, 60-66% (W/V) MPD, 100MM GLYCINE. SOAKING OVERNIGHT REMARK 280 IN 70% MPD, 10MM DM, 100MM HEPES PH 7.5 AND 100MM CSCL, VAPOR REMARK 280 DIFFUSION, HANGING DROP 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 34.08500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.08500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 45.20000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 34.08500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.08500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 45.20000 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 34.08500 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 34.08500 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 45.20000 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 34.08500 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 34.08500 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 45.20000 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 300 REMARK: TETRAMERIC CHANNEL WITH PORE ON 4-FOLD AXIS 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: 9930 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16140 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -298.0 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 136.34000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 136.34000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 136.34000 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 136.34000 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: 8790 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17880 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -299.0 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 136.34000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 136.34000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 136.34000 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 136.34000 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 CS CS A 201 LIES ON A SPECIAL POSITION. REMARK 375 CS CS A 202 LIES ON A SPECIAL POSITION. REMARK 375 CS CS B 201 LIES ON A SPECIAL POSITION. REMARK 375 CS CS B 202 LIES ON A SPECIAL POSITION. REMARK 375 CS CS B 203 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 303 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 313 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 314 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 319 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 320 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 314 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 ASP A 21 REMARK 465 LYS A 22 REMARK 465 GLU A 23 REMARK 465 VAL A 111 REMARK 465 PRO A 112 REMARK 465 ARG A 113 REMARK 465 MET B 18 REMARK 465 ALA B 19 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 PHE A 24 CG CD1 CD2 CE1 CE2 CZ REMARK 470 GLN A 25 CG CD OE1 NE2 REMARK 470 LEU A 27 CG CD1 CD2 REMARK 470 HIS A 95 ND1 CD2 CE1 NE2 REMARK 470 LYS A 96 CD CE NZ REMARK 470 LEU A 97 CD1 CD2 REMARK 470 VAL A 99 CG1 CG2 REMARK 470 GLN A 102 CG CD OE1 NE2 REMARK 470 LEU A 103 CG CD1 CD2 REMARK 470 ILE A 106 CG1 CG2 CD1 REMARK 470 LEU A 107 CG CD1 CD2 REMARK 470 ASN A 109 CG OD1 ND2 REMARK 470 LEU A 110 CG CD1 CD2 REMARK 470 LYS B 20 CG CD CE NZ REMARK 470 ASP B 21 CG OD1 OD2 REMARK 470 LYS B 22 CE NZ REMARK 470 GLN B 71 CG CD OE1 NE2 REMARK 470 ARG B 113 CG CD NE CZ NH1 NH2 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 CB ASP B 21 O HOH B 332 2.10 REMARK 500 OH TYR B 55 OE2 GLU B 66 2.12 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 101 -43.54 -135.48 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 CS A 202 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 63 O REMARK 620 2 VAL A 64 O 67.4 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CS A 201 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL A 64 O REMARK 620 2 GLY A 65 O 65.7 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CS B 202 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 63 O REMARK 620 2 VAL B 64 O 67.3 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CS B 203 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 63 OG1 REMARK 620 2 THR B 63 O 61.0 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CS B 201 CS REMARK 620 N RES CSSEQI ATOM REMARK 620 1 VAL B 64 O REMARK 620 2 GLY B 65 O 64.6 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 CS A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 204 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY A 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY A 207 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY A 208 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY A 209 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS B 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS B 203 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY B 205 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY B 206 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY B 207 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY B 208 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GLY B 209 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3K0D RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CNG MIMICKING NAK MUTANT, NAK-ETPP, K+ COMPLEX REMARK 900 RELATED ID: 3K0G RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF CNG MIMICKING NAK MUTANT, NAK-ETPP, NA+ COMPLEX REMARK 900 RELATED ID: 4R50 RELATED DB: PDB DBREF 4R6Z A 20 109 UNP Q81HW2 Q81HW2_BACCR 20 110 DBREF 4R6Z B 20 109 UNP Q81HW2 Q81HW2_BACCR 20 110 SEQADV 4R6Z MET A 18 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z ALA A 19 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z GLU A 66 UNP Q81HW2 ASP 66 ENGINEERED MUTATION SEQADV 4R6Z THR A 67 UNP Q81HW2 GLY 67 ENGINEERED MUTATION SEQADV 4R6Z PRO A 68 UNP Q81HW2 ASN 68 ENGINEERED MUTATION SEQADV 4R6Z PRO A 69 UNP Q81HW2 PHE 69 ENGINEERED MUTATION SEQADV 4R6Z A UNP Q81HW2 SER 70 DELETION SEQADV 4R6Z LEU A 110 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z VAL A 111 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z PRO A 112 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z ARG A 113 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z MET B 18 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z ALA B 19 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z GLU B 66 UNP Q81HW2 ASP 66 ENGINEERED MUTATION SEQADV 4R6Z THR B 67 UNP Q81HW2 GLY 67 ENGINEERED MUTATION SEQADV 4R6Z PRO B 68 UNP Q81HW2 ASN 68 ENGINEERED MUTATION SEQADV 4R6Z PRO B 69 UNP Q81HW2 PHE 69 ENGINEERED MUTATION SEQADV 4R6Z B UNP Q81HW2 SER 70 DELETION SEQADV 4R6Z LEU B 110 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z VAL B 111 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z PRO B 112 UNP Q81HW2 EXPRESSION TAG SEQADV 4R6Z ARG B 113 UNP Q81HW2 EXPRESSION TAG SEQRES 1 A 96 MET ALA LYS ASP LYS GLU PHE GLN VAL LEU PHE VAL LEU SEQRES 2 A 96 THR ILE LEU THR LEU ILE SER GLY THR ILE PHE TYR SER SEQRES 3 A 96 THR VAL GLU GLY LEU ARG PRO ILE ASP ALA LEU TYR PHE SEQRES 4 A 96 SER VAL VAL THR LEU THR THR VAL GLY GLU THR PRO PRO SEQRES 5 A 96 PRO GLN THR ASP PHE GLY LYS ILE PHE THR ILE LEU TYR SEQRES 6 A 96 ILE PHE ILE GLY ILE GLY LEU VAL PHE GLY PHE ILE HIS SEQRES 7 A 96 LYS LEU ALA VAL ASN VAL GLN LEU PRO SER ILE LEU SER SEQRES 8 A 96 ASN LEU VAL PRO ARG SEQRES 1 B 96 MET ALA LYS ASP LYS GLU PHE GLN VAL LEU PHE VAL LEU SEQRES 2 B 96 THR ILE LEU THR LEU ILE SER GLY THR ILE PHE TYR SER SEQRES 3 B 96 THR VAL GLU GLY LEU ARG PRO ILE ASP ALA LEU TYR PHE SEQRES 4 B 96 SER VAL VAL THR LEU THR THR VAL GLY GLU THR PRO PRO SEQRES 5 B 96 PRO GLN THR ASP PHE GLY LYS ILE PHE THR ILE LEU TYR SEQRES 6 B 96 ILE PHE ILE GLY ILE GLY LEU VAL PHE GLY PHE ILE HIS SEQRES 7 B 96 LYS LEU ALA VAL ASN VAL GLN LEU PRO SER ILE LEU SER SEQRES 8 B 96 ASN LEU VAL PRO ARG HET CS A 201 1 HET CS A 202 1 HET MPD A 203 8 HET MPD A 204 8 HET GLY A 205 5 HET GLY A 206 5 HET GLY A 207 5 HET GLY A 208 5 HET GLY A 209 5 HET CS B 201 1 HET CS B 202 1 HET CS B 203 1 HET GLY B 204 5 HET GLY B 205 5 HET GLY B 206 5 HET GLY B 207 5 HET GLY B 208 5 HET GLY B 209 5 HET GLY B 210 5 HETNAM CS CESIUM ION HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL HETNAM GLY GLYCINE FORMUL 3 CS 5(CS 1+) FORMUL 5 MPD 2(C6 H14 O2) FORMUL 7 GLY 12(C2 H5 N O2) FORMUL 22 HOH *64(H2 O) HELIX 1 1 PHE A 24 GLU A 46 1 23 HELIX 2 2 ARG A 49 THR A 62 1 14 HELIX 3 3 THR A 72 ASN A 100 1 29 HELIX 4 4 VAL A 101 LEU A 110 1 10 HELIX 5 5 ASP B 21 GLU B 46 1 26 HELIX 6 6 ARG B 49 THR B 62 1 14 HELIX 7 7 THR B 72 VAL B 101 1 30 HELIX 8 8 VAL B 101 ASN B 109 1 9 LINK O THR A 63 CS CS A 202 1555 1555 2.94 LINK O VAL A 64 CS CS A 201 1555 1555 3.44 LINK O VAL A 64 CS CS A 202 1555 1555 2.84 LINK O GLY A 65 CS CS A 201 1555 1555 3.32 LINK O THR B 63 CS CS B 202 1555 1555 2.94 LINK OG1 THR B 63 CS CS B 203 1555 1555 2.82 LINK O THR B 63 CS CS B 203 1555 1555 3.17 LINK O VAL B 64 CS CS B 201 1555 1555 3.44 LINK O VAL B 64 CS CS B 202 1555 1555 2.84 LINK O GLY B 65 CS CS B 201 1555 1555 3.40 SITE 1 AC1 3 VAL A 64 GLY A 65 CS A 202 SITE 1 AC2 3 THR A 63 VAL A 64 CS A 201 SITE 1 AC3 2 THR A 34 SER A 37 SITE 1 AC4 6 PHE A 56 PRO A 68 PRO A 69 PRO A 70 SITE 2 AC4 6 GLN A 71 GLY A 207 SITE 1 AC5 1 HOH A 322 SITE 1 AC6 2 ASP A 52 MPD A 204 SITE 1 AC7 3 GLU A 46 GLY A 47 LEU A 48 SITE 1 AC8 3 SER A 43 GLY A 47 LEU A 48 SITE 1 AC9 3 VAL B 64 GLY B 65 CS B 202 SITE 1 BC1 3 THR B 63 VAL B 64 CS B 201 SITE 1 BC2 1 THR B 63 SITE 1 BC3 3 PRO B 68 PRO B 69 GLY B 206 SITE 1 BC4 4 ASP B 52 THR B 67 GLY B 205 HOH B 327 SITE 1 BC5 6 ARG A 49 ASP A 73 SER B 108 VAL B 111 SITE 2 BC5 6 ARG B 113 HOH B 333 SITE 1 BC6 2 ASN A 109 HOH B 340 SITE 1 BC7 3 PHE B 91 HIS B 95 HOH B 305 CRYST1 68.170 68.170 90.400 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 0.014669 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014669 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011062 0.00000