HEADER MEMBRANE PROTEIN 26-JUL-09 3IFX TITLE CRYSTAL STRUCTURE OF THE SPIN-LABELED KCSA MUTANT V48R1 COMPND MOL_ID: 1; COMPND 2 MOLECULE: VOLTAGE-GATED POTASSIUM CHANNEL; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: PORE DOMAIN: UNP RESIDUES 1-124; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES LIVIDANS; SOURCE 3 ORGANISM_TAXID: 1916; SOURCE 4 GENE: KCSA, SKC1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PQE60 KEYWDS POTASSIUM CHANNEL, SPIN-LABELED PROTEIN, MEMBRANE PROTEIN, CELL KEYWDS 2 MEMBRANE, ION TRANSPORT, IONIC CHANNEL, MEMBRANE, TRANSMEMBRANE, KEYWDS 3 TRANSPORT, VOLTAGE-GATED CHANNEL EXPDTA X-RAY DIFFRACTION; EPR AUTHOR J.A.CIESLAK,P.J.FOCIA,A.GROSS REVDAT 4 27-JUL-11 3IFX 1 ATOM HETATM REMARK SEQRES REVDAT 3 13-JUL-11 3IFX 1 VERSN REVDAT 2 02-MAR-10 3IFX 1 JRNL REVDAT 1 09-FEB-10 3IFX 0 JRNL AUTH J.A.CIESLAK,P.J.FOCIA,A.GROSS JRNL TITL ELECTRON SPIN-ECHO ENVELOPE MODULATION (ESEEM) REVEALS WATER JRNL TITL 2 AND PHOSPHATE INTERACTIONS WITH THE KCSA POTASSIUM CHANNEL JRNL REF BIOCHEMISTRY V. 49 1486 2010 JRNL REFN ISSN 0006-2960 JRNL PMID 20092291 JRNL DOI 10.1021/BI9016523 REMARK 2 REMARK 2 RESOLUTION. 3.56 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.5.0051 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.56 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.84 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 75.1 REMARK 3 NUMBER OF REFLECTIONS : 7898 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 + TEST SET) : 0.273 REMARK 3 R VALUE (WORKING SET) : 0.271 REMARK 3 FREE R VALUE : 0.302 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 409 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.56 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.65 REMARK 3 REFLECTION IN BIN (WORKING SET) : 66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 8.78 REMARK 3 BIN R VALUE (WORKING SET) : 0.3540 REMARK 3 BIN FREE R VALUE SET COUNT : 5 REMARK 3 BIN FREE R VALUE : 0.4620 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2743 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 49 REMARK 3 SOLVENT ATOMS : 3 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 110.67 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.22000 REMARK 3 B22 (A**2) : -0.12000 REMARK 3 B33 (A**2) : -0.45000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.67000 REMARK 3 B23 (A**2) : 0.00000 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): 0.721 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.512 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 66.443 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.904 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.897 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2914 ; 0.055 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4018 ; 1.779 ; 1.964 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 388 ; 6.330 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 70 ;38.970 ;21.857 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 353 ;26.177 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;15.683 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 512 ; 0.086 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2074 ; 0.007 ; 0.021 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): 107 ; 0.818 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 165 ; 1.511 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 41 ; 0.844 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 40 ; 1.681 ; 4.500 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 : 4 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 7 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : B 23 B 34 REMARK 3 RESIDUE RANGE : B 35 B 56 REMARK 3 RESIDUE RANGE : B 57 B 67 REMARK 3 RESIDUE RANGE : B 68 B 78 REMARK 3 RESIDUE RANGE : B 79 B 89 REMARK 3 RESIDUE RANGE : B 90 B 112 REMARK 3 RESIDUE RANGE : B 113 B 119 REMARK 3 ORIGIN FOR THE GROUP (A): 36.5329 29.9319 21.6098 REMARK 3 T TENSOR REMARK 3 T11: 0.0000 T22: 0.0000 REMARK 3 T33: 0.0000 T12: 0.0000 REMARK 3 T13: 0.0000 T23: 0.0000 REMARK 3 L TENSOR REMARK 3 L11: 0.0000 L22: 0.0000 REMARK 3 L33: 0.0000 L12: 0.0000 REMARK 3 L13: 0.0000 L23: 0.0000 REMARK 3 S TENSOR REMARK 3 S11: 0.0000 S12: 0.0000 S13: 0.0000 REMARK 3 S21: 0.0000 S22: 0.0000 S23: 0.0000 REMARK 3 S31: 0.0000 S32: 0.0000 S33: 0.0000 REMARK 3 REMARK 3 TLS GROUP : 2 REMARK 3 NUMBER OF COMPONENTS GROUP : 8 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : C 23 C 36 REMARK 3 RESIDUE RANGE : C 37 C 47 REMARK 3 RESIDUE RANGE : C 48 C 60 REMARK 3 RESIDUE RANGE : C 61 C 65 REMARK 3 RESIDUE RANGE : C 66 C 82 REMARK 3 RESIDUE RANGE : C 83 C 92 REMARK 3 RESIDUE RANGE : C 93 C 110 REMARK 3 RESIDUE RANGE : C 111 C 119 REMARK 3 ORIGIN FOR THE GROUP (A): 26.0967 16.0814 25.3794 REMARK 3 T TENSOR REMARK 3 T11: 0.0000 T22: 0.0000 REMARK 3 T33: 0.0000 T12: 0.0000 REMARK 3 T13: 0.0000 T23: 0.0000 REMARK 3 L TENSOR REMARK 3 L11: 0.0000 L22: 0.0000 REMARK 3 L33: 0.0000 L12: 0.0000 REMARK 3 L13: 0.0000 L23: 0.0000 REMARK 3 S TENSOR REMARK 3 S11: 0.0000 S12: 0.0000 S13: 0.0000 REMARK 3 S21: 0.0000 S22: 0.0000 S23: 0.0000 REMARK 3 S31: 0.0000 S32: 0.0000 S33: 0.0000 REMARK 3 REMARK 3 TLS GROUP : 3 REMARK 3 NUMBER OF COMPONENTS GROUP : 7 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : D 23 D 34 REMARK 3 RESIDUE RANGE : D 35 D 56 REMARK 3 RESIDUE RANGE : D 57 D 67 REMARK 3 RESIDUE RANGE : D 68 D 78 REMARK 3 RESIDUE RANGE : D 79 D 89 REMARK 3 RESIDUE RANGE : D 90 D 112 REMARK 3 RESIDUE RANGE : D 113 D 119 REMARK 3 ORIGIN FOR THE GROUP (A): 13.4130 26.8246 30.2369 REMARK 3 T TENSOR REMARK 3 T11: 0.0000 T22: 0.0000 REMARK 3 T33: 0.0000 T12: 0.0000 REMARK 3 T13: 0.0000 T23: 0.0000 REMARK 3 L TENSOR REMARK 3 L11: 0.0000 L22: 0.0000 REMARK 3 L33: 0.0000 L12: 0.0000 REMARK 3 L13: 0.0000 L23: 0.0000 REMARK 3 S TENSOR REMARK 3 S11: 0.0000 S12: 0.0000 S13: 0.0000 REMARK 3 S21: 0.0000 S22: 0.0000 S23: 0.0000 REMARK 3 S31: 0.0000 S32: 0.0000 S33: 0.0000 REMARK 3 REMARK 3 TLS GROUP : 4 REMARK 3 NUMBER OF COMPONENTS GROUP : 8 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 23 A 36 REMARK 3 RESIDUE RANGE : A 37 A 47 REMARK 3 RESIDUE RANGE : A 48 A 60 REMARK 3 RESIDUE RANGE : A 61 A 65 REMARK 3 RESIDUE RANGE : A 66 A 82 REMARK 3 RESIDUE RANGE : A 83 A 92 REMARK 3 RESIDUE RANGE : A 93 A 110 REMARK 3 RESIDUE RANGE : A 111 A 119 REMARK 3 ORIGIN FOR THE GROUP (A): 23.4519 40.5861 26.4115 REMARK 3 T TENSOR REMARK 3 T11: 0.0000 T22: 0.0000 REMARK 3 T33: 0.0000 T12: 0.0000 REMARK 3 T13: 0.0000 T23: 0.0000 REMARK 3 L TENSOR REMARK 3 L11: 0.0000 L22: 0.0000 REMARK 3 L33: 0.0000 L12: 0.0000 REMARK 3 L13: 0.0000 L23: 0.0000 REMARK 3 S TENSOR REMARK 3 S11: 0.0000 S12: 0.0000 S13: 0.0000 REMARK 3 S21: 0.0000 S22: 0.0000 S23: 0.0000 REMARK 3 S31: 0.0000 S32: 0.0000 S33: 0.0000 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3IFX COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-JUL-09. REMARK 100 THE RCSB ID CODE IS RCSB054360. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-DEC-08 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 : 23-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.033 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE CRYSTAL REMARK 200 OPTICS : K-B PAIR OF BIOMORPH MIRRORS FOR REMARK 200 VERTICAL AND HORIZONTAL FOCUSING REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7898 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.560 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 (%) : 99.4 REMARK 200 DATA REDUNDANCY : 3.500 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.56 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.65 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.60 REMARK 200 R MERGE FOR SHELL (I) : 0.04210 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.700 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: PDB ENTRY 1BL8 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 71.23 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.28 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 200 MM CACL2, 150 MM KCL, 100 MM REMARK 280 HEPES, 19-49% PEG 400, PH 7.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 X+1/2,Y+1/2,Z REMARK 290 4555 -X+1/2,Y+1/2,-Z 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 1.000000 0.000000 0.000000 65.48500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.31500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 65.48500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 38.31500 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 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: AUTHORS STATE THAT THE QUATERNARY STRUCTURE DEFINED IN REMARK 300 REMARK 350 AS BIOMOLECULE 1 IS THE CORRECT PHYSIOLOGICAL TETRAMER REMARK 300 THAT FORMS AN ASYMMETRIC UNIT. THE QUATERNARY STRUCTURE DEFINED IN REMARK 300 REMARK 350 AS BIOMOLECULE 2 IS INCORRECT AS THE OCTAMERIC STRUCTURE REMARK 300 IS A CONSEQUENCE OF CRYSTAL PACKING AND FORMATION OF THE CONTENTS REMARK 300 OF THE UNIT CELL. 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: 6930 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17840 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -71.8 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 15600 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 33960 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -157.6 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 64.83937 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 91.59127 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 1 REMARK 465 PRO A 2 REMARK 465 PRO A 3 REMARK 465 MET A 4 REMARK 465 LEU A 5 REMARK 465 SER A 6 REMARK 465 GLY A 7 REMARK 465 LEU A 8 REMARK 465 LEU A 9 REMARK 465 ALA A 10 REMARK 465 ARG A 11 REMARK 465 LEU A 12 REMARK 465 VAL A 13 REMARK 465 LYS A 14 REMARK 465 LEU A 15 REMARK 465 LEU A 16 REMARK 465 LEU A 17 REMARK 465 GLY A 18 REMARK 465 ARG A 19 REMARK 465 HIS A 20 REMARK 465 GLY A 21 REMARK 465 SER A 22 REMARK 465 GLU A 120 REMARK 465 ARG A 121 REMARK 465 ARG A 122 REMARK 465 GLY A 123 REMARK 465 HIS A 124 REMARK 465 HIS A 125 REMARK 465 HIS A 126 REMARK 465 HIS A 127 REMARK 465 HIS A 128 REMARK 465 HIS A 129 REMARK 465 MET B 1 REMARK 465 PRO B 2 REMARK 465 PRO B 3 REMARK 465 MET B 4 REMARK 465 LEU B 5 REMARK 465 SER B 6 REMARK 465 GLY B 7 REMARK 465 LEU B 8 REMARK 465 LEU B 9 REMARK 465 ALA B 10 REMARK 465 ARG B 11 REMARK 465 LEU B 12 REMARK 465 VAL B 13 REMARK 465 LYS B 14 REMARK 465 LEU B 15 REMARK 465 LEU B 16 REMARK 465 LEU B 17 REMARK 465 GLY B 18 REMARK 465 ARG B 19 REMARK 465 HIS B 20 REMARK 465 GLY B 21 REMARK 465 SER B 22 REMARK 465 GLU B 120 REMARK 465 ARG B 121 REMARK 465 ARG B 122 REMARK 465 GLY B 123 REMARK 465 HIS B 124 REMARK 465 HIS B 125 REMARK 465 HIS B 126 REMARK 465 HIS B 127 REMARK 465 HIS B 128 REMARK 465 HIS B 129 REMARK 465 MET C 1 REMARK 465 PRO C 2 REMARK 465 PRO C 3 REMARK 465 MET C 4 REMARK 465 LEU C 5 REMARK 465 SER C 6 REMARK 465 GLY C 7 REMARK 465 LEU C 8 REMARK 465 LEU C 9 REMARK 465 ALA C 10 REMARK 465 ARG C 11 REMARK 465 LEU C 12 REMARK 465 VAL C 13 REMARK 465 LYS C 14 REMARK 465 LEU C 15 REMARK 465 LEU C 16 REMARK 465 LEU C 17 REMARK 465 GLY C 18 REMARK 465 ARG C 19 REMARK 465 HIS C 20 REMARK 465 GLY C 21 REMARK 465 SER C 22 REMARK 465 GLU C 120 REMARK 465 ARG C 121 REMARK 465 ARG C 122 REMARK 465 GLY C 123 REMARK 465 HIS C 124 REMARK 465 HIS C 125 REMARK 465 HIS C 126 REMARK 465 HIS C 127 REMARK 465 HIS C 128 REMARK 465 HIS C 129 REMARK 465 MET D 1 REMARK 465 PRO D 2 REMARK 465 PRO D 3 REMARK 465 MET D 4 REMARK 465 LEU D 5 REMARK 465 SER D 6 REMARK 465 GLY D 7 REMARK 465 LEU D 8 REMARK 465 LEU D 9 REMARK 465 ALA D 10 REMARK 465 ARG D 11 REMARK 465 LEU D 12 REMARK 465 VAL D 13 REMARK 465 LYS D 14 REMARK 465 LEU D 15 REMARK 465 LEU D 16 REMARK 465 LEU D 17 REMARK 465 GLY D 18 REMARK 465 ARG D 19 REMARK 465 HIS D 20 REMARK 465 GLY D 21 REMARK 465 SER D 22 REMARK 465 GLU D 120 REMARK 465 ARG D 121 REMARK 465 ARG D 122 REMARK 465 GLY D 123 REMARK 465 HIS D 124 REMARK 465 HIS D 125 REMARK 465 HIS D 126 REMARK 465 HIS D 127 REMARK 465 HIS D 128 REMARK 465 HIS D 129 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 ARG A 27 CG CD NE CZ NH1 NH2 REMARK 470 ILE A 60 CD1 REMARK 470 TYR A 62 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG A 64 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 71 CG CD OE1 OE2 REMARK 470 ARG A 117 NE CZ NH1 NH2 REMARK 470 ARG B 27 CG CD NE CZ NH1 NH2 REMARK 470 LEU B 40 CG CD1 CD2 REMARK 470 LEU B 49 CG CD1 CD2 REMARK 470 ILE B 60 CD1 REMARK 470 TYR B 62 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG B 64 CG CD NE CZ NH1 NH2 REMARK 470 SER B 69 OG REMARK 470 GLU B 71 CG CD OE1 OE2 REMARK 470 VAL B 76 CG1 CG2 REMARK 470 TYR B 82 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG B 89 CG CD NE CZ NH1 NH2 REMARK 470 LEU B 110 CG CD1 CD2 REMARK 470 TRP B 113 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP B 113 CZ3 CH2 REMARK 470 PHE B 114 CG CD1 CD2 CE1 CE2 CZ REMARK 470 VAL B 115 CG1 CG2 REMARK 470 ARG B 117 CZ NH1 NH2 REMARK 470 ARG C 27 CG CD NE CZ NH1 NH2 REMARK 470 ILE C 60 CD1 REMARK 470 TYR C 62 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG C 64 CG CD NE CZ NH1 NH2 REMARK 470 GLU C 71 CG CD OE1 OE2 REMARK 470 ARG C 117 CZ NH1 NH2 REMARK 470 ARG D 27 CG CD NE CZ NH1 NH2 REMARK 470 TYR D 45 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ILE D 60 CD1 REMARK 470 TYR D 62 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ARG D 64 CG CD NE CZ NH1 NH2 REMARK 470 GLU D 71 CG CD OE1 OE2 REMARK 470 ARG D 117 CZ NH1 NH2 REMARK 470 GLU D 118 CD OE1 OE2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 LEU B 81 CA LEU B 81 C -0.175 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 CYS B 48 O - C - N ANGL. DEV. = -17.4 DEGREES REMARK 500 LEU B 49 C - N - CA ANGL. DEV. = 20.3 DEGREES REMARK 500 CYS D 48 O - C - N ANGL. DEV. = -10.7 DEGREES 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 LEU A 24 -72.69 -135.70 REMARK 500 HIS A 25 -20.15 -39.22 REMARK 500 ALA A 54 166.61 157.88 REMARK 500 PRO A 55 -5.58 -44.74 REMARK 500 ALA A 57 -159.78 -59.36 REMARK 500 GLN A 58 26.58 -66.96 REMARK 500 ILE A 60 -5.18 -45.73 REMARK 500 VAL A 76 -75.94 -71.07 REMARK 500 TYR A 82 143.24 173.16 REMARK 500 LEU B 24 -59.48 -137.50 REMARK 500 ALA B 54 -176.34 -172.64 REMARK 500 PRO B 55 9.38 -51.89 REMARK 500 ALA B 57 -120.57 -69.27 REMARK 500 THR B 75 19.22 94.36 REMARK 500 VAL B 76 -75.39 -76.41 REMARK 500 TYR B 82 119.39 179.32 REMARK 500 VAL B 84 -4.07 -145.38 REMARK 500 LEU C 24 -83.18 -128.94 REMARK 500 HIS C 25 -13.62 -42.85 REMARK 500 ARG C 52 -85.93 -54.98 REMARK 500 ALA C 54 153.03 136.35 REMARK 500 PRO C 55 71.72 -52.34 REMARK 500 ALA C 57 -177.32 -46.89 REMARK 500 GLN C 58 12.15 -53.90 REMARK 500 LEU C 59 20.66 -69.69 REMARK 500 LEU D 24 -64.11 -149.40 REMARK 500 HIS D 25 -4.40 -59.84 REMARK 500 ALA D 54 -171.48 174.55 REMARK 500 PRO D 55 13.84 -64.96 REMARK 500 ALA D 57 -154.18 -82.82 REMARK 500 GLN D 58 -3.02 -54.49 REMARK 500 LEU D 59 32.99 -68.66 REMARK 500 TYR D 82 107.62 -173.45 REMARK 500 PRO D 83 154.57 -41.72 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 ALA D 47 CYS D 48 -148.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 CYS B 48 -26.74 REMARK 500 LEU B 81 -12.70 REMARK 500 ALA D 47 -10.31 REMARK 500 CYS D 48 -17.35 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 MTN A 248 REMARK 610 MTN C 248 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 B 201 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR A 75 O REMARK 620 2 VAL A 76 O 67.5 REMARK 620 3 VAL B 76 O 111.2 50.9 REMARK 620 4 THR C 75 O 137.0 155.2 106.2 REMARK 620 5 VAL C 76 O 138.8 81.1 61.2 78.4 REMARK 620 6 THR D 75 O 83.4 113.6 143.7 78.7 85.7 REMARK 620 7 THR B 75 O 77.8 96.3 81.3 87.9 133.6 135.0 REMARK 620 8 VAL D 76 O 93.6 50.0 70.4 118.8 45.2 75.9 145.1 REMARK 620 N 1 2 3 4 5 6 7 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 K A 202 K REMARK 620 N RES CSSEQI ATOM REMARK 620 1 THR B 75 O REMARK 620 2 THR B 75 OG1 60.9 REMARK 620 3 THR C 75 O 82.7 96.7 REMARK 620 4 THR D 75 O 109.5 167.5 73.3 REMARK 620 5 THR A 75 O 68.7 108.2 124.2 72.9 REMARK 620 6 THR D 75 OG1 163.6 133.7 100.6 57.2 96.7 REMARK 620 7 THR C 75 OG1 63.6 54.1 42.6 115.5 131.6 128.9 REMARK 620 8 THR A 75 OG1 112.3 122.0 141.2 68.0 45.1 55.6 175.1 REMARK 620 N 1 2 3 4 5 6 7 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 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTN A 248 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTN B 248 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTN C 248 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTN D 248 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TBA B 203 DBREF 3IFX A 1 123 UNP P0A334 KCSA_STRLI 1 123 DBREF 3IFX B 1 123 UNP P0A334 KCSA_STRLI 1 123 DBREF 3IFX C 1 123 UNP P0A334 KCSA_STRLI 1 123 DBREF 3IFX D 1 123 UNP P0A334 KCSA_STRLI 1 123 SEQADV 3IFX CYS A 48 UNP P0A334 VAL 48 ENGINEERED MUTATION SEQADV 3IFX HIS A 124 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS A 125 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS A 126 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS A 127 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS A 128 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS A 129 UNP P0A334 EXPRESSION TAG SEQADV 3IFX CYS B 48 UNP P0A334 VAL 48 ENGINEERED MUTATION SEQADV 3IFX HIS B 124 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS B 125 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS B 126 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS B 127 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS B 128 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS B 129 UNP P0A334 EXPRESSION TAG SEQADV 3IFX CYS C 48 UNP P0A334 VAL 48 ENGINEERED MUTATION SEQADV 3IFX HIS C 124 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS C 125 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS C 126 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS C 127 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS C 128 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS C 129 UNP P0A334 EXPRESSION TAG SEQADV 3IFX CYS D 48 UNP P0A334 VAL 48 ENGINEERED MUTATION SEQADV 3IFX HIS D 124 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS D 125 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS D 126 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS D 127 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS D 128 UNP P0A334 EXPRESSION TAG SEQADV 3IFX HIS D 129 UNP P0A334 EXPRESSION TAG SEQRES 1 A 129 MET PRO PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 A 129 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 A 129 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 A 129 LEU LEU ALA GLY SER TYR LEU ALA CYS LEU ALA GLU ARG SEQRES 5 A 129 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 A 129 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 A 129 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG LEU VAL SEQRES 8 A 129 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 A 129 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 A 129 GLU GLN GLU ARG ARG GLY HIS HIS HIS HIS HIS HIS SEQRES 1 B 129 MET PRO PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 B 129 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 B 129 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 B 129 LEU LEU ALA GLY SER TYR LEU ALA CYS LEU ALA GLU ARG SEQRES 5 B 129 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 B 129 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 B 129 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG LEU VAL SEQRES 8 B 129 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 B 129 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 B 129 GLU GLN GLU ARG ARG GLY HIS HIS HIS HIS HIS HIS SEQRES 1 C 129 MET PRO PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 C 129 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 C 129 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 C 129 LEU LEU ALA GLY SER TYR LEU ALA CYS LEU ALA GLU ARG SEQRES 5 C 129 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 C 129 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 C 129 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG LEU VAL SEQRES 8 C 129 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 C 129 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 C 129 GLU GLN GLU ARG ARG GLY HIS HIS HIS HIS HIS HIS SEQRES 1 D 129 MET PRO PRO MET LEU SER GLY LEU LEU ALA ARG LEU VAL SEQRES 2 D 129 LYS LEU LEU LEU GLY ARG HIS GLY SER ALA LEU HIS TRP SEQRES 3 D 129 ARG ALA ALA GLY ALA ALA THR VAL LEU LEU VAL ILE VAL SEQRES 4 D 129 LEU LEU ALA GLY SER TYR LEU ALA CYS LEU ALA GLU ARG SEQRES 5 D 129 GLY ALA PRO GLY ALA GLN LEU ILE THR TYR PRO ARG ALA SEQRES 6 D 129 LEU TRP TRP SER VAL GLU THR ALA THR THR VAL GLY TYR SEQRES 7 D 129 GLY ASP LEU TYR PRO VAL THR LEU TRP GLY ARG LEU VAL SEQRES 8 D 129 ALA VAL VAL VAL MET VAL ALA GLY ILE THR SER PHE GLY SEQRES 9 D 129 LEU VAL THR ALA ALA LEU ALA THR TRP PHE VAL GLY ARG SEQRES 10 D 129 GLU GLN GLU ARG ARG GLY HIS HIS HIS HIS HIS HIS HET K A 202 1 HET K B 201 1 HET MTN A 248 3 HET TBA B 203 17 HET MTN B 248 12 HET MTN C 248 3 HET MTN D 248 12 HETNAM K POTASSIUM ION HETNAM MTN S-[(1-OXYL-2,2,5,5-TETRAMETHYL-2,5-DIHYDRO-1H-PYRROL-3- HETNAM 2 MTN YL)METHYL] METHANESULFONOTHIOATE HETNAM TBA TETRABUTYLAMMONIUM ION HETSYN MTN MTSL FORMUL 5 K 2(K 1+) FORMUL 7 MTN 4(C10 H18 N O3 S2) FORMUL 8 TBA C16 H36 N 1+ FORMUL 12 HOH *3(H2 O) HELIX 1 1 TRP A 26 CYS A 48 1 23 HELIX 2 2 THR A 61 THR A 74 1 14 HELIX 3 3 THR A 85 ARG A 117 1 33 HELIX 4 4 TRP B 26 GLU B 51 1 26 HELIX 5 5 THR B 61 ALA B 73 1 13 HELIX 6 6 THR B 85 GLY B 116 1 32 HELIX 7 7 ALA C 28 GLU C 51 1 24 HELIX 8 8 THR C 61 THR C 74 1 14 HELIX 9 9 THR C 85 PHE C 114 1 30 HELIX 10 10 TRP D 26 ARG D 52 1 27 HELIX 11 11 THR D 61 THR D 74 1 14 HELIX 12 12 THR D 85 GLY D 116 1 32 LINK O THR A 75 K K B 201 1555 1555 2.72 LINK O VAL A 76 K K B 201 1555 1555 2.86 LINK O THR B 75 K K A 202 1555 1555 2.48 LINK OG1 THR B 75 K K A 202 1555 1555 2.86 LINK O VAL B 76 K K B 201 1555 1555 2.69 LINK O THR C 75 K K A 202 1555 1555 2.79 LINK O THR C 75 K K B 201 1555 1555 2.78 LINK O VAL C 76 K K B 201 1555 1555 2.92 LINK O THR D 75 K K A 202 1555 1555 2.71 LINK O THR D 75 K K B 201 1555 1555 2.37 LINK O THR B 75 K K B 201 1555 1555 2.21 LINK O THR A 75 K K A 202 1555 1555 3.00 LINK O VAL D 76 K K B 201 1555 1555 3.11 LINK OG1 THR D 75 K K A 202 1555 1555 3.12 LINK OG1 THR C 75 K K A 202 1555 1555 3.37 LINK OG1 THR A 75 K K A 202 1555 1555 3.45 LINK SG CYS B 48 S1 MTN B 248 1555 1555 1.97 LINK SG CYS D 48 S1 MTN D 248 1555 1555 2.00 LINK SG CYS A 48 S1 MTN A 248 1555 1555 2.00 LINK SG CYS C 48 S1 MTN C 248 1555 1555 2.00 SITE 1 AC1 5 THR A 75 THR B 75 K B 201 THR C 75 SITE 2 AC1 5 THR D 75 SITE 1 AC2 9 THR A 75 VAL A 76 K A 202 THR B 75 SITE 2 AC2 9 VAL B 76 THR C 75 VAL C 76 THR D 75 SITE 3 AC2 9 VAL D 76 SITE 1 AC3 2 CYS A 48 LEU A 49 SITE 1 AC4 4 CYS B 48 ARG B 52 ILE B 60 TYR B 62 SITE 1 AC5 2 CYS C 48 LEU C 49 SITE 1 AC6 6 CYS D 48 LEU D 49 ARG D 52 ILE D 60 SITE 2 AC6 6 THR D 61 TYR D 62 SITE 1 AC7 11 THR A 74 THR A 75 ILE A 100 PHE A 103 SITE 2 AC7 11 THR B 74 THR B 75 ILE B 100 PHE B 103 SITE 3 AC7 11 THR C 75 ILE C 100 THR D 75 CRYST1 130.970 76.630 112.970 90.00 125.83 90.00 C 1 2 1 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 0.007635 0.000000 0.005513 0.00000 SCALE2 0.000000 0.013050 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010918 0.00000 MASTER 719 0 7 12 0 0 13 6 0 0 0 40 END