HEADER TRANSCRIPTION 19-NOV-18 6I80 TITLE CRYSTAL STRUCTURE OF THE SECOND BROMODOMAIN OF BRD2 IN COMPLEX WITH TITLE 2 RT53 COMPND MOL_ID: 1; COMPND 2 MOLECULE: BROMODOMAIN-CONTAINING PROTEIN 2; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: O27.1.1,REALLY INTERESTING NEW GENE 3 PROTEIN; 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: BRD2, KIAA9001, RING3; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_VARIANT: R3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PNIC28-BSA4 KEYWDS BET, BROMODOMAIN, RT53, INHIBITOR, STRUCTURAL GENOMICS, STRUCTURAL KEYWDS 2 GENOMICS CONSORTIUM, SGC, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR S.PICAUD,R.TRAQUETE,G.J.L.BERNARDES,J.NEWMAN,C.H.ARROWSMITH, AUTHOR 2 A.M.EDWARDS,C.BOUNTRA,P.FILIPPAKOPOULOS,STRUCTURAL GENOMICS AUTHOR 3 CONSORTIUM (SGC) REVDAT 2 24-JAN-24 6I80 1 REMARK REVDAT 1 27-NOV-19 6I80 0 JRNL AUTH S.PICAUD,R.TRAQUETE,G.J.L.BERNARDES,J.NEWMAN,C.H.ARROWSMITH, JRNL AUTH 2 A.M.EDWARDS,C.BOUNTRA,P.FILIPPAKOPOULOS, JRNL AUTH 3 STRUCTURAL GENOMICS CONSORTIUM (SGC) JRNL TITL CRYSTAL STRUCTURE OF THE SECOND BROMODOMAIN OF BRD2 IN JRNL TITL 2 COMPLEX WITH RT53 JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.14 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 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.14 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.66 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 99362 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) : 0.131 REMARK 3 R VALUE (WORKING SET) : 0.131 REMARK 3 FREE R VALUE : 0.143 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 2.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2019 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1797 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 76 REMARK 3 SOLVENT ATOMS : 349 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.72 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.20000 REMARK 3 B22 (A**2) : 0.33000 REMARK 3 B33 (A**2) : -0.13000 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): 0.026 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.025 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.019 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 0.883 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 6I80 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 19-NOV-18. REMARK 100 THE DEPOSITION ID IS D_1200012978. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-JUN-17 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.92819 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA 3.3.22 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 101581 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.138 REMARK 200 RESOLUTION RANGE LOW (A) : 29.661 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 5.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04300 REMARK 200 FOR THE DATA SET : 16.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.14 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.43500 REMARK 200 R SYM FOR SHELL (I) : 0.43500 REMARK 200 FOR SHELL : 1.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.5.7 REMARK 200 STARTING MODEL: 3ONI REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.11 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% PEG1000 0.1M MMT PH 7.0, VAPOR REMARK 280 DIFFUSION, SITTING DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 64.80650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 64.80650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 32.20450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.36000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 32.20450 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.36000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 64.80650 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 32.20450 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 33.36000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 64.80650 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 32.20450 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 33.36000 REMARK 290 SMTRY3 8 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 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC 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 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 347 CG SD CE REMARK 470 GLU A 348 CD OE1 OE2 REMARK 470 LYS A 363 CD CE NZ REMARK 470 LYS A 374 CE NZ REMARK 470 ARG A 406 CZ NH1 NH2 REMARK 470 LYS B 358 CE NZ REMARK 470 LYS B 363 CE NZ REMARK 470 LYS B 364 NZ REMARK 470 LYS B 374 CE NZ REMARK 470 LYS B 391 NZ REMARK 470 LYS B 400 NZ 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 444 CB - CG - OD2 ANGL. DEV. = -6.3 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 765 DISTANCE = 6.03 ANGSTROMS REMARK 525 HOH A 766 DISTANCE = 6.63 ANGSTROMS REMARK 525 HOH B 782 DISTANCE = 6.03 ANGSTROMS REMARK 525 HOH B 783 DISTANCE = 7.03 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue H7B A 501 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue EDO A 502 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue H7B B 501 DBREF 6I80 A 348 455 UNP P25440 BRD2_HUMAN 348 455 DBREF 6I80 B 348 455 UNP P25440 BRD2_HUMAN 348 455 SEQADV 6I80 SER A 346 UNP P25440 EXPRESSION TAG SEQADV 6I80 MET A 347 UNP P25440 EXPRESSION TAG SEQADV 6I80 SER B 346 UNP P25440 EXPRESSION TAG SEQADV 6I80 MET B 347 UNP P25440 EXPRESSION TAG SEQRES 1 A 110 SER MET GLU GLN LEU LYS HIS CYS ASN GLY ILE LEU LYS SEQRES 2 A 110 GLU LEU LEU SER LYS LYS HIS ALA ALA TYR ALA TRP PRO SEQRES 3 A 110 PHE TYR LYS PRO VAL ASP ALA SER ALA LEU GLY LEU HIS SEQRES 4 A 110 ASP TYR HIS ASP ILE ILE LYS HIS PRO MET ASP LEU SER SEQRES 5 A 110 THR VAL LYS ARG LYS MET GLU ASN ARG ASP TYR ARG ASP SEQRES 6 A 110 ALA GLN GLU PHE ALA ALA ASP VAL ARG LEU MET PHE SER SEQRES 7 A 110 ASN CYS TYR LYS TYR ASN PRO PRO ASP HIS ASP VAL VAL SEQRES 8 A 110 ALA MET ALA ARG LYS LEU GLN ASP VAL PHE GLU PHE ARG SEQRES 9 A 110 TYR ALA LYS MET PRO ASP SEQRES 1 B 110 SER MET GLU GLN LEU LYS HIS CYS ASN GLY ILE LEU LYS SEQRES 2 B 110 GLU LEU LEU SER LYS LYS HIS ALA ALA TYR ALA TRP PRO SEQRES 3 B 110 PHE TYR LYS PRO VAL ASP ALA SER ALA LEU GLY LEU HIS SEQRES 4 B 110 ASP TYR HIS ASP ILE ILE LYS HIS PRO MET ASP LEU SER SEQRES 5 B 110 THR VAL LYS ARG LYS MET GLU ASN ARG ASP TYR ARG ASP SEQRES 6 B 110 ALA GLN GLU PHE ALA ALA ASP VAL ARG LEU MET PHE SER SEQRES 7 B 110 ASN CYS TYR LYS TYR ASN PRO PRO ASP HIS ASP VAL VAL SEQRES 8 B 110 ALA MET ALA ARG LYS LEU GLN ASP VAL PHE GLU PHE ARG SEQRES 9 B 110 TYR ALA LYS MET PRO ASP HET H7B A 501 36 HET EDO A 502 4 HET H7B B 501 36 HETNAM H7B 2-[(4~{S})-6-(4-CHLOROPHENYL)-8-METHOXY-1-METHYL-4~{H}- HETNAM 2 H7B [1,2,4]TRIAZOLO[4,3-A][1,4]BENZODIAZEPIN-4-YL]-1-[4- HETNAM 3 H7B (DIMETHYLAMINO)PIPERIDIN-1-YL]ETHANONE HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 3 H7B 2(C27 H31 CL N6 O2) FORMUL 4 EDO C2 H6 O2 FORMUL 6 HOH *349(H2 O) HELIX 1 AA1 SER A 346 SER A 362 1 17 HELIX 2 AA2 HIS A 365 TRP A 370 1 6 HELIX 3 AA3 PRO A 371 TYR A 373 5 3 HELIX 4 AA4 ASP A 377 GLY A 382 1 6 HELIX 5 AA5 ASP A 385 ILE A 390 1 6 HELIX 6 AA6 ASP A 395 ASN A 405 1 11 HELIX 7 AA7 ASP A 410 ASN A 429 1 20 HELIX 8 AA8 HIS A 433 LYS A 452 1 20 HELIX 9 AA9 MET B 347 SER B 362 1 16 HELIX 10 AB1 HIS B 365 TRP B 370 1 6 HELIX 11 AB2 PRO B 371 TYR B 373 5 3 HELIX 12 AB3 ASP B 377 GLY B 382 1 6 HELIX 13 AB4 ASP B 385 ILE B 390 1 6 HELIX 14 AB5 ASP B 395 ASN B 405 1 11 HELIX 15 AB6 ASP B 410 ASN B 429 1 20 HELIX 16 AB7 HIS B 433 LYS B 452 1 20 SITE 1 AC1 11 TRP A 370 PRO A 371 TYR A 428 ASN A 429 SITE 2 AC1 11 HIS A 433 VAL A 435 EDO A 502 HOH A 608 SITE 3 AC1 11 HOH A 617 HOH A 703 HOH A 710 SITE 1 AC2 7 TRP A 370 ASP A 377 ALA A 380 H7B A 501 SITE 2 AC2 7 HOH A 632 HOH A 660 HOH A 751 SITE 1 AC3 10 ARG A 401 HOH A 761 TRP B 370 PRO B 371 SITE 2 AC3 10 ASN B 429 HIS B 433 VAL B 435 MET B 438 SITE 3 AC3 10 HOH B 613 HOH B 645 CRYST1 64.409 66.720 129.613 90.00 90.00 90.00 C 2 2 21 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 0.015526 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014988 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007715 0.00000