HEADER TRANSFERASE 21-JUL-15 5CPR TITLE THE NOVEL SUV4-20 INHIBITOR A-196 VERIFIES A ROLE FOR EPIGENETICS IN TITLE 2 GENOMIC INTEGRITY COMPND MOL_ID: 1; COMPND 2 MOLECULE: HISTONE-LYSINE N-METHYLTRANSFERASE SUV420H1; COMPND 3 CHAIN: B; COMPND 4 FRAGMENT: SET DOMAIN RESIDUES 69-335; COMPND 5 SYNONYM: LYSINE N-METHYLTRANSFERASE 5B,SUPPRESSOR OF VARIEGATION 4-20 COMPND 6 HOMOLOG 1,SUV4-20H1; COMPND 7 EC: 2.1.1.43; COMPND 8 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: SUV420H1, KMT5B, CGI-85; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS PROTEIN LYSINE TRANSFERASE, H4K20, NON-HOMOLOGOUS END JOINING, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.G.JAKOB,A.K.UPADHYAY,C.SUN REVDAT 4 27-SEP-23 5CPR 1 REMARK REVDAT 3 22-FEB-17 5CPR 1 JRNL REVDAT 2 08-FEB-17 5CPR 1 JRNL REVDAT 1 25-JAN-17 5CPR 0 JRNL AUTH K.D.BROMBERG,T.R.MITCHELL,A.K.UPADHYAY,C.G.JAKOB,M.A.JHALA, JRNL AUTH 2 K.M.COMESS,L.M.LASKO,C.LI,C.T.TUZON,Y.DAI,F.LI,M.S.ERAM, JRNL AUTH 3 A.NUBER,N.B.SONI,V.MANAVES,M.A.ALGIRE,R.F.SWEIS,M.TORRENT, JRNL AUTH 4 G.SCHOTTA,C.SUN,M.R.MICHAELIDES,A.R.SHOEMAKER, JRNL AUTH 5 C.H.ARROWSMITH,P.J.BROWN,V.SANTHAKUMAR,A.MARTIN,J.C.RICE, JRNL AUTH 6 G.G.CHIANG,M.VEDADI,D.BARSYTE-LOVEJOY,W.N.PAPPANO JRNL TITL THE SUV4-20 INHIBITOR A-196 VERIFIES A ROLE FOR EPIGENETICS JRNL TITL 2 IN GENOMIC INTEGRITY. JRNL REF NAT. CHEM. BIOL. V. 13 317 2017 JRNL REFN ESSN 1552-4469 JRNL PMID 28114273 JRNL DOI 10.1038/NCHEMBIO.2282 REMARK 2 REMARK 2 RESOLUTION. 2.22 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : BUSTER 2.11.6 REMARK 3 AUTHORS : BRICOGNE,BLANC,BRANDL,FLENSBURG,KELLER, REMARK 3 : PACIOREK,ROVERSI,SHARFF,SMART,VONRHEIN, REMARK 3 : WOMACK,MATTHEWS,TEN EYCK,TRONRUD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.22 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 38.47 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 13393 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) : 0.193 REMARK 3 R VALUE (WORKING SET) : 0.190 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.930 REMARK 3 FREE R VALUE TEST SET COUNT : 660 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 7 REMARK 3 BIN RESOLUTION RANGE HIGH (ANGSTROMS) : 2.22 REMARK 3 BIN RESOLUTION RANGE LOW (ANGSTROMS) : 2.40 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.24 REMARK 3 REFLECTIONS IN BIN (WORKING + TEST SET) : 2638 REMARK 3 BIN R VALUE (WORKING + TEST SET) : 0.2062 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2522 REMARK 3 BIN R VALUE (WORKING SET) : 0.2019 REMARK 3 BIN FREE R VALUE : 0.3050 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 116 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1813 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 52 REMARK 3 SOLVENT ATOMS : 144 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 34.06 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 37.52 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 9.94310 REMARK 3 B22 (A**2) : 6.94510 REMARK 3 B33 (A**2) : -16.88810 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.268 REMARK 3 DPI (BLOW EQ-10) BASED ON R VALUE (A) : 0.296 REMARK 3 DPI (BLOW EQ-9) BASED ON FREE R VALUE (A) : 0.222 REMARK 3 DPI (CRUICKSHANK) BASED ON R VALUE (A) : 0.259 REMARK 3 DPI (CRUICKSHANK) BASED ON FREE R VALUE (A) : 0.214 REMARK 3 REMARK 3 REFERENCES: BLOW, D. (2002) ACTA CRYST D58, 792-797 REMARK 3 CRUICKSHANK, D.W.J. (1999) ACTA CRYST D55, 583-601 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.914 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.888 REMARK 3 REMARK 3 NUMBER OF GEOMETRIC FUNCTION TERMS DEFINED : 15 REMARK 3 TERM COUNT WEIGHT FUNCTION. REMARK 3 BOND LENGTHS : 1910 ; 2.000 ; HARMONIC REMARK 3 BOND ANGLES : 2576 ; 2.000 ; HARMONIC REMARK 3 TORSION ANGLES : 662 ; 2.000 ; SINUSOIDAL REMARK 3 TRIGONAL CARBON PLANES : 52 ; 2.000 ; HARMONIC REMARK 3 GENERAL PLANES : 288 ; 5.000 ; HARMONIC REMARK 3 ISOTROPIC THERMAL FACTORS : 1910 ; 20.000 ; HARMONIC REMARK 3 BAD NON-BONDED CONTACTS : 0 ; 5.000 ; SEMIHARMONIC REMARK 3 IMPROPER TORSIONS : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES : NULL ; NULL ; NULL REMARK 3 CHIRAL IMPROPER TORSION : 244 ; 5.000 ; SEMIHARMONIC REMARK 3 SUM OF OCCUPANCIES : NULL ; NULL ; NULL REMARK 3 UTILITY DISTANCES : NULL ; NULL ; NULL REMARK 3 UTILITY ANGLES : NULL ; NULL ; NULL REMARK 3 UTILITY TORSION : NULL ; NULL ; NULL REMARK 3 IDEAL-DIST CONTACT TERM : 2256 ; 4.000 ; SEMIHARMONIC REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.14 REMARK 3 PEPTIDE OMEGA TORSION ANGLES (DEGREES) : 3.09 REMARK 3 OTHER TORSION ANGLES (DEGREES) : 18.47 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 5CPR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-JUL-15. REMARK 100 THE DEPOSITION ID IS D_1000211532. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-APR-15 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 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 : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13537 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.217 REMARK 200 RESOLUTION RANGE LOW (A) : 47.913 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 5.800 REMARK 200 R MERGE (I) : 0.09700 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.22 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.23 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.6 REMARK 200 DATA REDUNDANCY IN SHELL : 5.20 REMARK 200 R MERGE FOR SHELL (I) : 1.01800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.200 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: 3S8P REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.71 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.11 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE PURIFIED PROTEIN WAS CONCENTRATED REMARK 280 TO 10 MG/ML AND WITH 1 MM SAM. SAM BOUND PROTEIN CRYSTALS WERE REMARK 280 OBTAINED BY HANGING DROP VAPOR DIFFUSION METHOD AT 17C USING 10% REMARK 280 (W/V) ETHANOL, 5% (W/V) GLYCEROL, 0.1 M TRIS PH 8.5 AS THE WELL REMARK 280 SOLUTION. A-196 WAS SOAKED INTO THE CRYSTALS, VAPOR DIFFUSION, REMARK 280 HANGING DROP, TEMPERATURE 298K 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 21.10450 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 64.53600 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.95650 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 64.53600 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.10450 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 23.95650 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 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 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 B 68 REMARK 465 SER B 69 REMARK 465 SER B 70 REMARK 465 GLY B 71 REMARK 465 THR B 102 REMARK 465 SER B 103 REMARK 465 ALA B 104 REMARK 465 PHE B 105 REMARK 465 PRO B 106 REMARK 465 SER B 107 REMARK 465 ARG B 108 REMARK 465 SER B 109 REMARK 465 SER B 110 REMARK 465 ARG B 111 REMARK 465 HIS B 112 REMARK 465 PHE B 113 REMARK 465 SER B 114 REMARK 465 LYS B 115 REMARK 465 SER B 116 REMARK 465 ASP B 117 REMARK 465 SER B 118 REMARK 465 PHE B 119 REMARK 465 SER B 120 REMARK 465 HIS B 121 REMARK 465 ASN B 122 REMARK 465 ASN B 123 REMARK 465 PRO B 124 REMARK 465 VAL B 125 REMARK 465 ARG B 126 REMARK 465 PHE B 127 REMARK 465 ARG B 128 REMARK 465 PRO B 129 REMARK 465 ILE B 130 REMARK 465 LYS B 131 REMARK 465 GLY B 132 REMARK 465 ARG B 335 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 B 133 CG CD NE CZ NH1 NH2 REMARK 470 GLN B 134 CG CD OE1 NE2 REMARK 470 GLU B 135 CG CD OE1 OE2 REMARK 470 GLU B 136 CG CD OE1 OE2 REMARK 470 GLU B 139 CG CD OE1 OE2 REMARK 470 LYS B 146 CG CD CE NZ REMARK 470 GLU B 148 CG CD OE1 OE2 REMARK 470 LYS B 155 CG CD CE NZ REMARK 470 TRP B 162 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP B 162 CZ3 CH2 REMARK 470 ARG B 164 CG CD NE CZ NH1 NH2 REMARK 470 HIS B 165 CG ND1 CD2 CE1 NE2 REMARK 470 LEU B 168 CG CD1 CD2 REMARK 470 LYS B 172 CG CD CE NZ REMARK 470 GLU B 217 CG CD OE1 OE2 REMARK 470 ARG B 276 CG CD NE CZ NH1 NH2 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 B 221 -2.95 83.82 REMARK 500 GLU B 247 -66.71 -107.95 REMARK 500 PHE B 312 66.54 -119.80 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 B 643 DISTANCE = 6.64 ANGSTROMS REMARK 525 HOH B 644 DISTANCE = 7.98 ANGSTROMS 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 ZN B 401 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS B 275 SG REMARK 620 2 CYS B 319 SG 106.4 REMARK 620 3 CYS B 321 SG 111.1 103.8 REMARK 620 4 CYS B 324 SG 105.5 118.2 111.8 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue ZN B 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue SAM B 402 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 539 B 403 DBREF 5CPR B 69 335 UNP Q4FZB7 SV421_HUMAN 69 335 SEQADV 5CPR GLY B 68 UNP Q4FZB7 EXPRESSION TAG SEQRES 1 B 268 GLY SER SER GLY MET SER ALA LYS GLU LEU CYS GLU ASN SEQRES 2 B 268 ASP ASP LEU ALA THR SER LEU VAL LEU ASP PRO TYR LEU SEQRES 3 B 268 GLY PHE GLN THR HIS LYS MET ASN THR SER ALA PHE PRO SEQRES 4 B 268 SER ARG SER SER ARG HIS PHE SER LYS SER ASP SER PHE SEQRES 5 B 268 SER HIS ASN ASN PRO VAL ARG PHE ARG PRO ILE LYS GLY SEQRES 6 B 268 ARG GLN GLU GLU LEU LYS GLU VAL ILE GLU ARG PHE LYS SEQRES 7 B 268 LYS ASP GLU HIS LEU GLU LYS ALA PHE LYS CYS LEU THR SEQRES 8 B 268 SER GLY GLU TRP ALA ARG HIS TYR PHE LEU ASN LYS ASN SEQRES 9 B 268 LYS MET GLN GLU LYS LEU PHE LYS GLU HIS VAL PHE ILE SEQRES 10 B 268 TYR LEU ARG MET PHE ALA THR ASP SER GLY PHE GLU ILE SEQRES 11 B 268 LEU PRO CYS ASN ARG TYR SER SER GLU GLN ASN GLY ALA SEQRES 12 B 268 LYS ILE VAL ALA THR LYS GLU TRP LYS ARG ASN ASP LYS SEQRES 13 B 268 ILE GLU LEU LEU VAL GLY CYS ILE ALA GLU LEU SER GLU SEQRES 14 B 268 ILE GLU GLU ASN MET LEU LEU ARG HIS GLY GLU ASN ASP SEQRES 15 B 268 PHE SER VAL MET TYR SER THR ARG LYS ASN CYS ALA GLN SEQRES 16 B 268 LEU TRP LEU GLY PRO ALA ALA PHE ILE ASN HIS ASP CYS SEQRES 17 B 268 ARG PRO ASN CYS LYS PHE VAL SER THR GLY ARG ASP THR SEQRES 18 B 268 ALA CYS VAL LYS ALA LEU ARG ASP ILE GLU PRO GLY GLU SEQRES 19 B 268 GLU ILE SER CYS TYR TYR GLY ASP GLY PHE PHE GLY GLU SEQRES 20 B 268 ASN ASN GLU PHE CYS GLU CYS TYR THR CYS GLU ARG ARG SEQRES 21 B 268 GLY THR GLY ALA PHE LYS SER ARG HET ZN B 401 1 HET SAM B 402 27 HET 539 B 403 24 HETNAM ZN ZINC ION HETNAM SAM S-ADENOSYLMETHIONINE HETNAM 539 6,7-DICHLORO-N-CYCLOPENTYL-4-(PYRIDIN-4-YL)PHTHALAZIN- HETNAM 2 539 1-AMINE FORMUL 2 ZN ZN 2+ FORMUL 3 SAM C15 H22 N6 O5 S FORMUL 4 539 C18 H16 CL2 N4 FORMUL 5 HOH *144(H2 O) HELIX 1 AA1 SER B 73 GLY B 94 1 22 HELIX 2 AA2 GLN B 134 GLU B 148 1 15 HELIX 3 AA3 HIS B 149 THR B 158 1 10 HELIX 4 AA4 ALA B 163 LEU B 168 1 6 HELIX 5 AA5 ASN B 171 ARG B 187 1 17 HELIX 6 AA6 MET B 188 ALA B 190 5 3 HELIX 7 AA7 SER B 235 LEU B 243 1 9 HELIX 8 AA8 GLY B 266 ILE B 271 5 6 HELIX 9 AA9 GLY B 313 GLU B 317 5 5 HELIX 10 AB1 CYS B 321 GLY B 328 1 8 HELIX 11 AB2 THR B 329 LYS B 333 5 5 SHEET 1 AA1 2 PHE B 195 PRO B 199 0 SHEET 2 AA1 2 ALA B 210 ALA B 214 -1 O LYS B 211 N LEU B 198 SHEET 1 AA2 5 VAL B 252 SER B 255 0 SHEET 2 AA2 5 CYS B 260 LEU B 265 -1 O CYS B 260 N SER B 255 SHEET 3 AA2 5 LYS B 223 LEU B 234 -1 N ALA B 232 O LEU B 263 SHEET 4 AA2 5 THR B 288 ALA B 293 -1 O VAL B 291 N ILE B 224 SHEET 5 AA2 5 CYS B 279 SER B 283 -1 N VAL B 282 O CYS B 290 SHEET 1 AA3 2 ASN B 272 HIS B 273 0 SHEET 2 AA3 2 SER B 304 CYS B 305 1 O CYS B 305 N ASN B 272 LINK SG CYS B 275 ZN ZN B 401 1555 1555 2.39 LINK SG CYS B 319 ZN ZN B 401 1555 1555 2.33 LINK SG CYS B 321 ZN ZN B 401 1555 1555 2.24 LINK SG CYS B 324 ZN ZN B 401 1555 1555 2.21 SITE 1 AC1 4 CYS B 275 CYS B 319 CYS B 321 CYS B 324 SITE 1 AC2 19 HIS B 98 TYR B 203 SER B 205 GLU B 206 SITE 2 AC2 19 GLY B 209 ALA B 210 PHE B 250 ARG B 257 SITE 3 AC2 19 ALA B 269 PHE B 270 ILE B 271 ASN B 272 SITE 4 AC2 19 HIS B 273 TYR B 307 PHE B 312 CYS B 319 SITE 5 AC2 19 GLU B 320 CYS B 321 HOH B 531 SITE 1 AC3 13 GLY B 229 ARG B 244 SER B 251 VAL B 252 SITE 2 AC3 13 TRP B 264 ALA B 268 ALA B 269 PHE B 281 SITE 3 AC3 13 SER B 283 ALA B 289 TYR B 307 HOH B 524 SITE 4 AC3 13 HOH B 551 CRYST1 42.209 47.913 129.072 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 0.023692 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020871 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007748 0.00000