HEADER HORMONE/GROWTH FACTOR 28-JUN-07 2QGE TITLE HUMAN TRANSTHYRETIN (TTR) COMPLEXED WITH 2-(3,5-DIMETHYLPHENYL) TITLE 2 BENZOXAZOLE COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSTHYRETIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PREALBUMIN, TBPA, TTR, ATTR; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: TTR, PALB; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: EPICUREAN GOLD; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PMMHA KEYWDS TRANSTHYRETIN, TETRAMER, AMYLOIDOGENESIS INHIBITORS, HORMONE-GROWTH KEYWDS 2 FACTOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.CONNELLY,I.A.WILSON REVDAT 8 30-AUG-23 2QGE 1 REMARK REVDAT 7 18-OCT-17 2QGE 1 REMARK REVDAT 6 13-JUL-11 2QGE 1 VERSN REVDAT 5 22-DEC-09 2QGE 1 DBREF SEQADV REVDAT 4 14-APR-09 2QGE 1 AUTHOR REVDAT 3 24-FEB-09 2QGE 1 VERSN REVDAT 2 12-FEB-08 2QGE 1 JRNL REVDAT 1 05-FEB-08 2QGE 0 JRNL AUTH S.M.JOHNSON,S.CONNELLY,I.A.WILSON,J.W.KELLY JRNL TITL BIOCHEMICAL AND STRUCTURAL EVALUATION OF HIGHLY SELECTIVE JRNL TITL 2 2-ARYLBENZOXAZOLE-BASED TRANSTHYRETIN AMYLOIDOGENESIS JRNL TITL 3 INHIBITORS. JRNL REF J.MED.CHEM. V. 51 260 2008 JRNL REFN ISSN 0022-2623 JRNL PMID 18095641 JRNL DOI 10.1021/JM0708735 REMARK 2 REMARK 2 RESOLUTION. 1.45 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 42922 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) : 0.166 REMARK 3 R VALUE (WORKING SET) : 0.164 REMARK 3 FREE R VALUE : 0.200 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2163 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) : 1.45 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.49 REMARK 3 REFLECTION IN BIN (WORKING SET) : 2926 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.49 REMARK 3 BIN R VALUE (WORKING SET) : 0.1610 REMARK 3 BIN FREE R VALUE SET COUNT : 182 REMARK 3 BIN FREE R VALUE : 0.2360 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1773 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 34 REMARK 3 SOLVENT ATOMS : 148 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.26 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.12000 REMARK 3 B22 (A**2) : -0.05000 REMARK 3 B33 (A**2) : -0.07000 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.075 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.067 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.037 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.064 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.967 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.957 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2009 ; 0.019 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 1333 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2774 ; 1.781 ; 1.968 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3267 ; 1.028 ; 3.001 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 274 ; 6.118 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 87 ;32.416 ;24.023 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 325 ;13.886 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 10 ;19.288 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 309 ; 0.113 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2289 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 407 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 333 ; 0.222 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 1289 ; 0.212 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 972 ; 0.183 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 1116 ; 0.090 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 96 ; 0.149 ; 0.200 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): 13 ; 0.146 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 47 ; 0.201 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 15 ; 0.154 ; 0.200 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): 1580 ; 2.484 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 488 ; 0.947 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 2004 ; 3.040 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 952 ; 4.122 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 747 ; 5.475 ; 4.500 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): 4183 ; 2.103 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 150 ;10.713 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 3266 ; 4.637 ; 3.000 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 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 2QGE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JUL-07. REMARK 100 THE DEPOSITION ID IS D_1000043565. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 11-JAN-07 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL11-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9791 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : FLAT MIRROR (VERTICAL FOCUSING); REMARK 200 SINGLE CRYSTAL SI(111) BENT REMARK 200 MONOCHROMATOR (HO RIZONTAL REMARK 200 FOCUSING) REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 325 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO, HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 42964 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 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 (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.50 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.80 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.56700 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.400 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: HUMAN TRANSTHYRETIN PDB 2FBR REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.93 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE WT-TTR WAS CONCENTRATED TO 4 MG/ML REMARK 280 IN 10 MM NAPI, 100 MM KCL, AT PH 7.6 AND CO-CRYSTALLIZED AT ROOM REMARK 280 TEMPERATURE WITH INHIBITORS USING THE VAPOR-DIFFUSION SITTING REMARK 280 DROP METHOD. CRYSTALS WERE GROWN FROM 1.395 M SODIUM CITRATE, REMARK 280 3.5% V/V GLYCEROL AT PH 5.5. THE CRYSTALS WERE FROZEN USING A REMARK 280 CRYO-PROTECTANT SOLUTION OF 1.395 M SODIUM CITRATE, PH 5.5, REMARK 280 CONTAINING 10% V/V GLYCEROL., VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 21.45850 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 42.88850 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.45850 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 42.88850 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON REMARK 300 BURIED SURFACE AREA. REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 8580 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18650 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -75.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 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 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 HOH A 276 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 273 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 GLY A 1 REMARK 465 PRO A 2 REMARK 465 THR A 3 REMARK 465 GLY A 4 REMARK 465 THR A 5 REMARK 465 GLY A 6 REMARK 465 GLU A 7 REMARK 465 SER A 8 REMARK 465 LYS A 9 REMARK 465 CYS A 10 REMARK 465 LYS A 126 REMARK 465 GLU A 127 REMARK 465 GLY B 1 REMARK 465 PRO B 2 REMARK 465 THR B 3 REMARK 465 GLY B 4 REMARK 465 THR B 5 REMARK 465 GLY B 6 REMARK 465 GLU B 7 REMARK 465 SER B 8 REMARK 465 LYS B 9 REMARK 465 CYS B 10 REMARK 465 PRO B 125 REMARK 465 LYS B 126 REMARK 465 GLU B 127 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MR6 A 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MR6 B 200 DBREF 2QGE A 1 127 UNP P02766 TTHY_HUMAN 21 147 DBREF 2QGE B 1 127 UNP P02766 TTHY_HUMAN 21 147 SEQRES 1 A 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 A 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 A 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 A 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 A 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 A 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 A 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 A 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 A 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 A 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU SEQRES 1 B 127 GLY PRO THR GLY THR GLY GLU SER LYS CYS PRO LEU MET SEQRES 2 B 127 VAL LYS VAL LEU ASP ALA VAL ARG GLY SER PRO ALA ILE SEQRES 3 B 127 ASN VAL ALA VAL HIS VAL PHE ARG LYS ALA ALA ASP ASP SEQRES 4 B 127 THR TRP GLU PRO PHE ALA SER GLY LYS THR SER GLU SER SEQRES 5 B 127 GLY GLU LEU HIS GLY LEU THR THR GLU GLU GLU PHE VAL SEQRES 6 B 127 GLU GLY ILE TYR LYS VAL GLU ILE ASP THR LYS SER TYR SEQRES 7 B 127 TRP LYS ALA LEU GLY ILE SER PRO PHE HIS GLU HIS ALA SEQRES 8 B 127 GLU VAL VAL PHE THR ALA ASN ASP SER GLY PRO ARG ARG SEQRES 9 B 127 TYR THR ILE ALA ALA LEU LEU SER PRO TYR SER TYR SER SEQRES 10 B 127 THR THR ALA VAL VAL THR ASN PRO LYS GLU HET MR6 A 201 17 HET MR6 B 200 17 HETNAM MR6 2-(3,5-DIMETHYLPHENYL)-1,3-BENZOXAZOLE FORMUL 3 MR6 2(C15 H13 N O) FORMUL 5 HOH *148(H2 O) HELIX 1 1 ASP A 74 LEU A 82 1 9 HELIX 2 2 ASP B 74 LEU B 82 1 9 SHEET 1 A 8 SER A 23 PRO A 24 0 SHEET 2 A 8 LEU A 12 ASP A 18 -1 N ASP A 18 O SER A 23 SHEET 3 A 8 ARG A 104 SER A 112 1 O LEU A 111 N LEU A 17 SHEET 4 A 8 SER A 115 THR A 123 -1 O THR A 119 N ALA A 108 SHEET 5 A 8 SER B 115 THR B 123 -1 O TYR B 116 N THR A 118 SHEET 6 A 8 ARG B 104 SER B 112 -1 N ARG B 104 O THR B 123 SHEET 7 A 8 LEU B 12 ASP B 18 1 N LEU B 17 O LEU B 111 SHEET 8 A 8 SER B 23 PRO B 24 -1 O SER B 23 N ASP B 18 SHEET 1 B 8 GLU A 54 LEU A 55 0 SHEET 2 B 8 LEU A 12 ASP A 18 -1 N VAL A 14 O LEU A 55 SHEET 3 B 8 ARG A 104 SER A 112 1 O LEU A 111 N LEU A 17 SHEET 4 B 8 SER A 115 THR A 123 -1 O THR A 119 N ALA A 108 SHEET 5 B 8 SER B 115 THR B 123 -1 O TYR B 116 N THR A 118 SHEET 6 B 8 ARG B 104 SER B 112 -1 N ARG B 104 O THR B 123 SHEET 7 B 8 LEU B 12 ASP B 18 1 N LEU B 17 O LEU B 111 SHEET 8 B 8 GLU B 54 LEU B 55 -1 O LEU B 55 N VAL B 14 SHEET 1 C 8 TRP A 41 LYS A 48 0 SHEET 2 C 8 ALA A 29 LYS A 35 -1 N VAL A 32 O ALA A 45 SHEET 3 C 8 GLY A 67 ILE A 73 -1 O GLU A 72 N HIS A 31 SHEET 4 C 8 HIS A 88 ALA A 97 -1 O ALA A 91 N ILE A 73 SHEET 5 C 8 HIS B 88 ALA B 97 -1 O VAL B 94 N GLU A 89 SHEET 6 C 8 GLY B 67 ILE B 73 -1 N ILE B 73 O ALA B 91 SHEET 7 C 8 ALA B 29 LYS B 35 -1 N HIS B 31 O GLU B 72 SHEET 8 C 8 TRP B 41 LYS B 48 -1 O ALA B 45 N VAL B 32 SITE 1 AC1 6 LYS A 15 LEU A 17 LEU A 110 SER A 117 SITE 2 AC1 6 THR A 118 THR A 119 SITE 1 AC2 6 LYS B 15 LEU B 17 ALA B 108 LEU B 110 SITE 2 AC2 6 SER B 117 THR B 119 CRYST1 42.917 85.777 64.563 90.00 90.00 90.00 P 21 21 2 8 ORIGX1 1.000000 0.000000 0.000000 0.00000 ORIGX2 0.000000 1.000000 0.000000 0.00000 ORIGX3 0.000000 0.000000 1.000000 0.00000 SCALE1 0.023301 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011658 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015489 0.00000