PDB Short entry for 3E8G HEADER MEMBRANE PROTEIN 19-AUG-08 3E8G TITLE CRYSTAL STRUCTURE OF THE THE OPEN NAK CHANNEL-NA+/CA2+ COMPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM CHANNEL PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: TRANSMEMBRANE DOMAIN, RESIDUES 19-110; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS CEREUS; SOURCE 3 ORGANISM_TAXID: 1396; SOURCE 4 ATCC: 14579; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: SG13009; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PQE60 KEYWDS NON-SELECTIVE CATION CHANNEL, MEMBRANE PROTEIN, TETRAMERIC CATION KEYWDS 2 CHANNEL FAMILY, 2-TRANSMEMBRANE HELIX CHANNELS, IONIC CHANNEL EXPDTA X-RAY DIFFRACTION AUTHOR Y.JIANG,A.ALAM REVDAT 5 21-FEB-24 3E8G 1 REMARK SEQADV LINK REVDAT 4 25-OCT-17 3E8G 1 REMARK REVDAT 3 16-NOV-11 3E8G 1 VERSN HETATM REVDAT 2 20-JAN-09 3E8G 1 JRNL REVDAT 1 23-DEC-08 3E8G 0 JRNL AUTH A.ALAM,Y.JIANG JRNL TITL STRUCTURAL ANALYSIS OF ION SELECTIVITY IN THE NAK CHANNEL JRNL REF NAT.STRUCT.MOL.BIOL. V. 16 35 2009 JRNL REFN ISSN 1545-9993 JRNL PMID 19098915 JRNL DOI 10.1038/NSMB.1537 REMARK 2 REMARK 2 RESOLUTION. 2.00 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 : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.99 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) (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 13346 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.202 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 662 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 : 1461 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 32 REMARK 3 SOLVENT ATOMS : 52 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 50.48 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.98200 REMARK 3 B22 (A**2) : 4.98200 REMARK 3 B33 (A**2) : -9.96300 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 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.099 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 : 113.7 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : MPD.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3E8G COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 02-OCT-08. REMARK 100 THE DEPOSITION ID IS D_1000049006. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13398 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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 <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: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM HEPES, 55-70% (4S)-2-METHYL-2,4 REMARK 280 -PENTANEDIOL (MPD), 10MM CACL2, PH 7.5, VAPOR DIFFUSION, SITTING REMARK 280 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 33.99500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.99500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 44.58400 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 33.99500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.99500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 44.58400 REMARK 290 SMTRY1 7 0.000000 -1.000000 0.000000 33.99500 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 33.99500 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 44.58400 REMARK 290 SMTRY1 8 0.000000 1.000000 0.000000 33.99500 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 33.99500 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 44.58400 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: 6860 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17330 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -57.0 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 -67.99000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -67.99000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 -67.99000 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 -67.99000 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: 7140 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18490 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 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 -67.99000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 -67.99000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 -67.99000 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 -67.99000 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 1 LIES ON A SPECIAL POSITION. REMARK 375 CA CA A 3 LIES ON A SPECIAL POSITION. REMARK 375 NA NA A 5 LIES ON A SPECIAL POSITION. REMARK 375 NA NA A 8 LIES ON A SPECIAL POSITION. REMARK 375 CS CS B 2 LIES ON A SPECIAL POSITION. REMARK 375 CA CA B 4 LIES ON A SPECIAL POSITION. REMARK 375 NA NA B 6 LIES ON A SPECIAL POSITION. REMARK 375 NA NA B 7 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 504 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 503 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 TRP A 19 REMARK 465 LYS A 20 REMARK 465 ASP A 21 REMARK 465 LYS A 22 REMARK 465 ARG A 114 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 TRP B 19 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP B 19 CZ3 CH2 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 B 102 -54.94 -125.41 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 NA A 5 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 63 OG1 REMARK 620 2 HOH A 504 O 94.1 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NA B 6 NA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 63 OG1 REMARK 620 2 HOH B 503 O 95.2 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 MPD A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 3 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 5 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA A 8 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MPD B 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CS B 2 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 4 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 6 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA B 7 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3E83 RELATED DB: PDB REMARK 900 RELATED ID: 3E86 RELATED DB: PDB REMARK 900 RELATED ID: 3E89 RELATED DB: PDB REMARK 900 RELATED ID: 3E8B RELATED DB: PDB REMARK 900 RELATED ID: 3E8F RELATED DB: PDB REMARK 900 RELATED ID: 3E8H RELATED DB: PDB DBREF 3E8G A 19 110 UNP Q81HW2 Q81HW2_BACCR 19 110 DBREF 3E8G B 19 110 UNP Q81HW2 Q81HW2_BACCR 19 110 SEQADV 3E8G LEU A 111 UNP Q81HW2 EXPRESSION TAG SEQADV 3E8G VAL A 112 UNP Q81HW2 EXPRESSION TAG SEQADV 3E8G PRO A 113 UNP Q81HW2 EXPRESSION TAG SEQADV 3E8G ARG A 114 UNP Q81HW2 EXPRESSION TAG SEQADV 3E8G LEU B 111 UNP Q81HW2 EXPRESSION TAG SEQADV 3E8G VAL B 112 UNP Q81HW2 EXPRESSION TAG SEQADV 3E8G PRO B 113 UNP Q81HW2 EXPRESSION TAG SEQADV 3E8G ARG B 114 UNP Q81HW2 EXPRESSION TAG SEQRES 1 A 96 TRP LYS ASP LYS GLU PHE GLN VAL LEU PHE VAL LEU THR SEQRES 2 A 96 ILE LEU THR LEU ILE SER GLY THR ILE PHE TYR SER THR SEQRES 3 A 96 VAL GLU GLY LEU ARG PRO ILE ASP ALA LEU TYR PHE SER SEQRES 4 A 96 VAL VAL THR LEU THR THR VAL GLY ASP GLY ASN PHE SER 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 TRP LYS ASP LYS GLU PHE GLN VAL LEU PHE VAL LEU THR SEQRES 2 B 96 ILE LEU THR LEU ILE SER GLY THR ILE PHE TYR SER THR SEQRES 3 B 96 VAL GLU GLY LEU ARG PRO ILE ASP ALA LEU TYR PHE SER SEQRES 4 B 96 VAL VAL THR LEU THR THR VAL GLY ASP GLY ASN PHE SER 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 MPD A 501 8 HET MPD A 503 8 HET CS A 1 1 HET CA A 3 1 HET NA A 5 1 HET NA A 8 1 HET MPD B 502 8 HET CS B 2 1 HET CA B 4 1 HET NA B 6 1 HET NA B 7 1 HETNAM MPD (4S)-2-METHYL-2,4-PENTANEDIOL HETNAM CS CESIUM ION HETNAM CA CALCIUM ION HETNAM NA SODIUM ION FORMUL 3 MPD 3(C6 H14 O2) FORMUL 5 CS 2(CS 1+) FORMUL 6 CA 2(CA 2+) FORMUL 7 NA 4(NA 1+) FORMUL 14 HOH *52(H2 O) HELIX 1 1 GLU A 23 GLU A 46 1 24 HELIX 2 2 ARG A 49 THR A 62 1 14 HELIX 3 3 THR A 73 ASN A 101 1 29 HELIX 4 4 GLN A 103 SER A 109 1 7 HELIX 5 5 TRP B 19 GLU B 46 1 28 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 VAL B 112 1 11 LINK CA CA A 3 O GLY A 67 1555 1555 2.43 LINK NA NA A 5 OG1 THR A 63 1555 1555 2.44 LINK NA NA A 5 O HOH A 504 1555 1555 2.84 LINK CA CA B 4 O GLY B 67 1555 1555 2.36 LINK NA NA B 6 OG1 THR B 63 1555 1555 2.51 LINK NA NA B 6 O HOH B 503 1555 1555 2.95 SITE 1 AC1 3 TYR A 55 ASP A 66 PHE A 69 SITE 1 AC2 4 PHE A 79 LEU B 33 ILE B 36 SER B 37 SITE 1 AC3 3 NA A 8 THR A 63 VAL A 64 SITE 1 AC4 1 GLY A 67 SITE 1 AC5 2 THR A 63 HOH A 504 SITE 1 AC6 2 CS A 1 VAL A 64 SITE 1 AC7 2 SER B 37 PHE B 79 SITE 1 AC8 3 NA B 7 THR B 63 VAL B 64 SITE 1 AC9 1 GLY B 67 SITE 1 BC1 2 THR B 63 HOH B 503 SITE 1 BC2 2 CS B 2 VAL B 64 CRYST1 67.990 67.990 89.168 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 0.014708 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014708 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011215 0.00000