HEADER TRANSCRIPTION 13-JAN-14 4CL9 TITLE N-TERMINAL BROMODOMAIN OF HUMAN BRD4 WITH I-BET295 COMPND MOL_ID: 1; COMPND 2 MOLECULE: BROMODOMAIN-CONTAINING PROTEIN 4; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINAL BROMODOMAIN, RESIDUES 44-168; COMPND 5 SYNONYM: PROTEIN HUNK1, BRD4; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TRANSCRIPTION, INHIBITOR, HISTONE, EPIGENETIC READER, ANTAGONIST EXPDTA X-RAY DIFFRACTION AUTHOR C.CHUNG,S.ATKINSON REVDAT 2 16-MAY-18 4CL9 1 REMARK REVDAT 1 24-DEC-14 4CL9 0 JRNL AUTH S.J.ATKINSON,P.E.SODEN,D.C.ANGELL,M.BANTSCHEFF,C.CHUNG, JRNL AUTH 2 K.A.GIBLIN,N.SMITHERS,R.C.FURZE,L.GORDON,G.DREWES,I.RIOJA, JRNL AUTH 3 J.WITHERINGTON,N.J.PARR,R.K.PRINJHA JRNL TITL THE STRUCTURE BASED DESIGN OF DUAL HDAC/BET INHIBITORS AS JRNL TITL 2 NOVEL EPIGENETIC PROBES. JRNL REF MEDCHEMCOMM V. 5 342 2014 JRNL REFN ISSN 2040-2503 JRNL DOI 10.1039/C3MD00285C REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.08 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 25718 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) : 0.188 REMARK 3 R VALUE (WORKING SET) : 0.188 REMARK 3 FREE R VALUE : 0.199 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1360 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) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.44 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1741 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.89 REMARK 3 BIN R VALUE (WORKING SET) : 0.2570 REMARK 3 BIN FREE R VALUE SET COUNT : 92 REMARK 3 BIN FREE R VALUE : 0.2370 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1062 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 231 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.38 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.22000 REMARK 3 B22 (A**2) : -0.06000 REMARK 3 B33 (A**2) : -0.16000 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): 0.069 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.065 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.041 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.880 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.960 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.962 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1137 ; 0.006 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 786 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1545 ; 1.145 ; 1.956 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1932 ; 0.827 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 126 ; 5.006 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 54 ;36.736 ;25.926 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 197 ;11.749 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 3 ;17.738 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 160 ; 0.063 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1213 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 208 ; 0.001 ; 0.020 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 : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 1 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 42 A 168 REMARK 3 ORIGIN FOR THE GROUP (A): 26.7840 39.3108 9.8249 REMARK 3 T TENSOR REMARK 3 T11: 0.0200 T22: 0.0143 REMARK 3 T33: 0.0341 T12: 0.0012 REMARK 3 T13: 0.0187 T23: 0.0073 REMARK 3 L TENSOR REMARK 3 L11: 0.1241 L22: 0.3825 REMARK 3 L33: 0.5857 L12: 0.1103 REMARK 3 L13: -0.1884 L23: -0.1549 REMARK 3 S TENSOR REMARK 3 S11: -0.0346 S12: 0.0035 S13: -0.0373 REMARK 3 S21: 0.0144 S22: -0.0120 S23: -0.0156 REMARK 3 S31: 0.0358 S32: 0.0150 S33: 0.0465 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : BABINET MODEL WITH 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 4CL9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 13-JAN-14. REMARK 100 THE DEPOSITION ID IS D_1290059412. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-SEP-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97924 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27078 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 40.080 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 6.10 REMARK 200 R MERGE FOR SHELL (I) : 0.74000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 44.37 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.21 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25% PEG6000, 0.1M TRISHCL PH 8.0, 0.2M REMARK 280 LICL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 19.30500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 40.08500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 21.57000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 40.08500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 19.30500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 21.57000 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 ASN A 52 105.21 -164.27 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A2077 DISTANCE = 6.41 ANGSTROMS REMARK 525 HOH A2110 DISTANCE = 6.54 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 1169 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IES A 1170 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4CLB RELATED DB: PDB REMARK 900 N-TERMINAL BROMODOMAIN OF HUMAN BRD4 WITH IBET-295 DBREF 4CL9 A 44 168 UNP O60885 BRD4_HUMAN 44 168 SEQADV 4CL9 SER A 42 UNP O60885 EXPRESSION TAG SEQADV 4CL9 MET A 43 UNP O60885 EXPRESSION TAG SEQRES 1 A 127 SER MET ASN PRO PRO PRO PRO GLU THR SER ASN PRO ASN SEQRES 2 A 127 LYS PRO LYS ARG GLN THR ASN GLN LEU GLN TYR LEU LEU SEQRES 3 A 127 ARG VAL VAL LEU LYS THR LEU TRP LYS HIS GLN PHE ALA SEQRES 4 A 127 TRP PRO PHE GLN GLN PRO VAL ASP ALA VAL LYS LEU ASN SEQRES 5 A 127 LEU PRO ASP TYR TYR LYS ILE ILE LYS THR PRO MET ASP SEQRES 6 A 127 MET GLY THR ILE LYS LYS ARG LEU GLU ASN ASN TYR TYR SEQRES 7 A 127 TRP ASN ALA GLN GLU CYS ILE GLN ASP PHE ASN THR MET SEQRES 8 A 127 PHE THR ASN CYS TYR ILE TYR ASN LYS PRO GLY ASP ASP SEQRES 9 A 127 ILE VAL LEU MET ALA GLU ALA LEU GLU LYS LEU PHE LEU SEQRES 10 A 127 GLN LYS ILE ASN GLU LEU PRO THR GLU GLU HET EDO A1169 4 HET IES A1170 40 HETNAM EDO 1,2-ETHANEDIOL HETNAM IES PROPAN-2-YL N-[(2S,4R)-1-ETHANOYL-2-METHYL-6-[4-[[8- HETNAM 2 IES (OXIDANYLAMINO)-8-OXIDANYLIDENE- HETNAM 3 IES OCTANOYL]AMINO]PHENYL]-3,4-DIHYDRO-2H-QUINOLIN-4- HETNAM 4 IES YL]CARBAMATE HETSYN EDO ETHYLENE GLYCOL FORMUL 2 EDO C2 H6 O2 FORMUL 3 IES C30 H40 N4 O6 FORMUL 4 HOH *231(H2 O) HELIX 1 1 THR A 60 VAL A 69 1 10 HELIX 2 2 VAL A 69 LYS A 76 1 8 HELIX 3 3 ALA A 80 GLN A 84 5 5 HELIX 4 4 ASP A 96 ILE A 101 1 6 HELIX 5 5 ASP A 106 ASN A 116 1 11 HELIX 6 6 ASN A 121 ASN A 140 1 20 HELIX 7 7 ASP A 144 GLU A 163 1 20 SITE 1 AC1 5 ILE A 100 ILE A 101 LYS A 102 THR A 103 SITE 2 AC1 5 ASN A 135 SITE 1 AC2 17 TRP A 81 PRO A 82 GLN A 84 GLN A 85 SITE 2 AC2 17 LYS A 91 ASN A 93 LEU A 94 ASP A 96 SITE 3 AC2 17 ASN A 140 ASP A 145 ILE A 146 HOH A2114 SITE 4 AC2 17 HOH A2128 HOH A2145 HOH A2228 HOH A2229 SITE 5 AC2 17 HOH A2231 CRYST1 38.610 43.140 80.170 90.00 90.00 90.00 P 21 21 21 4 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 0.025900 0.000000 0.000000 0.00000 SCALE2 0.000000 0.023180 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012473 0.00000