HEADER TRANSCRIPTION 20-APR-17 5XHE TITLE CRYSTAL STRUCTURE ANALYSIS OF THE SECOND BROMODOMAIN OF BRD2 TITLE 2 COVALENTLY LINKED TO B-MERCAPTOETHANOL COMPND MOL_ID: 1; COMPND 2 MOLECULE: BROMODOMAIN-CONTAINING PROTEIN 2; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: BROMODOMAIN (UNP RESIDUES 348-455); COMPND 5 SYNONYM: O27.1.1,REALLY INTERESTING NEW GENE 3 PROTEIN; 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 GENE: BRD2, KIAA9001, RING3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS BET FAMILY, BRD2, BROMODOMAIN, B-MERCAPTOETHANOL, CME, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR B.PADMANABHAN,S.MATHUR,S.K.TRIPATHI,P.DESHMUKH REVDAT 2 01-AUG-18 5XHE 1 JRNL REVDAT 1 06-SEP-17 5XHE 0 JRNL AUTH S.MATHUR,P.DESHMUKH,S.TRIPATHI,P.MARIMUTHU,B.PADMANABHAN JRNL TITL INSIGHTS INTO THE CRYSTAL STRUCTURE OF BRD2-BD2 - JRNL TITL 2 PHENANTHRIDINONE COMPLEX AND THEORETICAL STUDIES ON JRNL TITL 3 PHENANTHRIDINONE ANALOGS. JRNL REF J. BIOMOL. STRUCT. DYN. V. 36 2342 2018 JRNL REFN ESSN 1538-0254 JRNL PMID 28696179 JRNL DOI 10.1080/07391102.2017.1353441 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.TRIPATHI,S.MATHUR,P.DESHMUKH,R.MANJULA,B.PADMANABHAN REMARK 1 TITL A NOVEL PHENANTHRIDIONONE BASED SCAFFOLD AS A POTENTIAL REMARK 1 TITL 2 INHIBITOR OF THE BRD2 BROMODOMAIN: CRYSTAL STRUCTURE OF THE REMARK 1 TITL 3 COMPLEX. REMARK 1 REF PLOS ONE V. 11 56344 2016 REMARK 1 REFN ESSN 1932-6203 REMARK 1 PMID 27243809 REMARK 1 DOI 10.1371/JOURNAL.PONE.0156344 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0029 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) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 97.9 REMARK 3 NUMBER OF REFLECTIONS : 22848 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) : 0.145 REMARK 3 R VALUE (WORKING SET) : 0.144 REMARK 3 FREE R VALUE : 0.172 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1173 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) : 1609 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.32 REMARK 3 BIN R VALUE (WORKING SET) : 0.2300 REMARK 3 BIN FREE R VALUE SET COUNT : 93 REMARK 3 BIN FREE R VALUE : 0.3010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 935 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 28 REMARK 3 SOLVENT ATOMS : 149 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.33 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.21000 REMARK 3 B22 (A**2) : -0.18000 REMARK 3 B33 (A**2) : -0.03000 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): 0.068 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.058 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.033 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.860 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.971 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): 1131 ; 0.008 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1536 ; 1.268 ; 1.967 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 142 ; 4.411 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 60 ;33.765 ;23.500 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 198 ;12.297 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;22.036 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 152 ; 0.083 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 898 ; 0.006 ; 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): 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): 1129 ; 1.672 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 47 ;30.572 ; 5.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 1208 ;11.081 ; 5.000 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 : 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 USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 5XHE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 26-APR-17. REMARK 100 THE DEPOSITION ID IS D_1300003540. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-JUL-15 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 : RRCAT INDUS-2 REMARK 200 BEAMLINE : PX-BL21 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.90 REMARK 200 MONOCHROMATOR : SI (III) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 225 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : IMOSFLM, HKL REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.22 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 24042 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 42.367 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 200 DATA REDUNDANCY : 6.000 REMARK 200 R MERGE (I) : 0.07900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.9000 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 (%) : 97.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : 0.58300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.900 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 (%): 45.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 22% PEG 2000, 5MM B-ME, 10% GLYCEROL, REMARK 280 50MM TRIS-CL, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 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,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+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 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.22500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 35.93500 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.22500 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 35.93500 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 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 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 685 LIES ON A SPECIAL POSITION. 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 MET A 344 CG SD CE REMARK 470 GLN A 345 CG CD OE1 NE2 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 ASP A 434 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES 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 A 746 DISTANCE = 5.84 ANGSTROMS REMARK 525 HOH A 747 DISTANCE = 6.87 ANGSTROMS REMARK 525 HOH A 748 DISTANCE = 7.99 ANGSTROMS REMARK 525 HOH A 749 DISTANCE = 8.19 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue PGE A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 503 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 504 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 5XHK RELATED DB: PDB DBREF 5XHE A 348 455 UNP P25440 BRD2_HUMAN 348 455 SEQADV 5XHE HIS A 343 UNP P25440 EXPRESSION TAG SEQADV 5XHE MET A 344 UNP P25440 EXPRESSION TAG SEQADV 5XHE GLN A 345 UNP P25440 EXPRESSION TAG SEQADV 5XHE ASP A 346 UNP P25440 EXPRESSION TAG SEQADV 5XHE PRO A 347 UNP P25440 EXPRESSION TAG SEQRES 1 A 113 HIS MET GLN ASP PRO GLU GLN LEU LYS HIS CYS ASN GLY SEQRES 2 A 113 ILE LEU LYS GLU LEU LEU SER LYS LYS HIS ALA ALA TYR SEQRES 3 A 113 ALA TRP PRO PHE TYR LYS PRO VAL ASP ALA SER ALA LEU SEQRES 4 A 113 GLY LEU HIS ASP TYR HIS ASP ILE ILE LYS HIS PRO MET SEQRES 5 A 113 ASP LEU SER THR VAL LYS ARG LYS MET GLU ASN ARG ASP SEQRES 6 A 113 TYR ARG ASP ALA GLN GLU PHE ALA ALA ASP VAL ARG LEU SEQRES 7 A 113 MET PHE SER ASN CME TYR LYS TYR ASN PRO PRO ASP HIS SEQRES 8 A 113 ASP VAL VAL ALA MET ALA ARG LYS LEU GLN ASP VAL PHE SEQRES 9 A 113 GLU PHE ARG TYR ALA LYS MET PRO ASP MODRES 5XHE CME A 425 CYS MODIFIED RESIDUE HET CME A 425 10 HET PGE A 501 10 HET GOL A 502 6 HET GOL A 503 6 HET GOL A 504 6 HETNAM CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE HETNAM PGE TRIETHYLENE GLYCOL HETNAM GOL GLYCEROL HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 1 CME C5 H11 N O3 S2 FORMUL 2 PGE C6 H14 O4 FORMUL 3 GOL 3(C3 H8 O3) FORMUL 6 HOH *149(H2 O) HELIX 1 AA1 GLN A 345 LEU A 361 1 17 HELIX 2 AA2 SER A 362 LYS A 364 5 3 HELIX 3 AA3 HIS A 365 TRP A 370 1 6 HELIX 4 AA4 PRO A 371 TYR A 373 5 3 HELIX 5 AA5 ASP A 377 GLY A 382 1 6 HELIX 6 AA6 ASP A 385 ILE A 390 1 6 HELIX 7 AA7 ASP A 395 ASN A 405 1 11 HELIX 8 AA8 ASP A 410 ASN A 429 1 20 HELIX 9 AA9 HIS A 433 ALA A 451 1 19 LINK C ASN A 424 N CME A 425 1555 1555 1.33 LINK C CME A 425 N TYR A 426 1555 1555 1.35 SITE 1 AC1 5 TRP A 370 VAL A 435 MET A 438 GOL A 504 SITE 2 AC1 5 HOH A 607 SITE 1 AC2 6 TYR A 426 ARG A 440 GLN A 443 ASP A 444 SITE 2 AC2 6 GLU A 447 PHE A 448 SITE 1 AC3 6 LYS A 402 ASP A 407 MET A 438 LYS A 441 SITE 2 AC3 6 HOH A 604 HOH A 611 SITE 1 AC4 5 LEU A 383 CME A 425 ASN A 429 PGE A 501 SITE 2 AC4 5 HOH A 603 CRYST1 32.190 52.450 71.870 90.00 90.00 90.00 P 2 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 0.031066 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019066 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013914 0.00000