HEADER TRANSCRIPTION REGULATOR 09-SEP-13 4MN3 TITLE CHROMODOMAIN ANTAGONISTS THAT TARGET THE POLYCOMB-GROUP METHYLLYSINE TITLE 2 READER PROTEIN CHROMOBOX HOMOLOG 7 (CBX7) COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHROMOBOX PROTEIN HOMOLOG 7; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: PROTEIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: PEPTIDE; COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: PEPTIDE; COMPND 10 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: CBX7; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: SYNTHETIC PEPTIDE; SOURCE 11 ORGANISM_TAXID: 32630 KEYWDS CHROMOBOX DOMAIN 7, TRANSCRIPTION REGULATOR EXPDTA X-RAY DIFFRACTION AUTHOR S.CHAKRAVARTHI,K.DAZE,S.DOUGLAS,T.QUON,A.DEV,F.PENG,M.HELLER, AUTHOR 2 M.J.BOULANGER,J.WULFF,F.HOF REVDAT 3 08-OCT-14 4MN3 1 AUTHOR REVDAT 2 18-JUN-14 4MN3 1 JRNL REVDAT 1 02-APR-14 4MN3 0 JRNL AUTH C.SIMHADRI,K.D.DAZE,S.F.DOUGLAS,T.T.QUON,A.DEV,M.C.GIGNAC, JRNL AUTH 2 F.PENG,M.HELLER,M.J.BOULANGER,J.E.WULFF,F.HOF JRNL TITL CHROMODOMAIN ANTAGONISTS THAT TARGET THE POLYCOMB-GROUP JRNL TITL 2 METHYLLYSINE READER PROTEIN CHROMOBOX HOMOLOG 7 (CBX7). JRNL REF J.MED.CHEM. V. 57 2874 2014 JRNL REFN ISSN 0022-2623 JRNL PMID 24625057 JRNL DOI 10.1021/JM401487X REMARK 2 REMARK 2 RESOLUTION. 1.54 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0032 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.54 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.50 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 90.7 REMARK 3 NUMBER OF REFLECTIONS : 8664 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) : 0.174 REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.213 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 431 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) : 1.54 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.58 REMARK 3 REFLECTION IN BIN (WORKING SET) : 606 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 86.08 REMARK 3 BIN R VALUE (WORKING SET) : 0.2310 REMARK 3 BIN FREE R VALUE SET COUNT : 25 REMARK 3 BIN FREE R VALUE : 0.2800 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 531 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 40 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.81 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.02000 REMARK 3 B22 (A**2) : -0.01000 REMARK 3 B33 (A**2) : -0.01000 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): 0.086 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.090 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.058 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.600 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.966 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.942 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 565 ; 0.022 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): 562 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 747 ; 2.139 ; 1.999 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1302 ; 1.018 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 59 ; 7.046 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 26 ;31.068 ;23.077 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 100 ;18.225 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ;13.894 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 71 ; 0.163 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 572 ; 0.013 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 122 ; 0.003 ; 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): 243 ; 2.249 ; 1.897 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 242 ; 2.178 ; 1.893 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 299 ; 3.354 ; 2.851 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 300 ; 3.357 ; 2.851 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 322 ; 3.550 ; 2.343 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 322 ; 3.531 ; 2.342 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 449 ; 5.017 ; 3.282 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): 642 ; 6.791 ;16.246 REMARK 3 LONG RANGE B OTHER ATOMS (A**2): 643 ; 6.787 ;16.280 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 : 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 4MN3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-SEP-13. REMARK 100 THE RCSB ID CODE IS RCSB082117. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUL-13 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 : 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) : 0.98 REMARK 200 MONOCHROMATOR : SIDE SCATTERING BENT CUBE-ROOT I REMARK 200 -BEAM SINGLE CRYSTAL; ASYMMETRIC REMARK 200 CUT 4.965 DEGS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8874 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.540 REMARK 200 RESOLUTION RANGE LOW (A) : 29.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 90.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.54 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.58 REMARK 200 COMPLETENESS FOR SHELL (%) : 86.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.50 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 40% ETHYLENE GLYCOL, 0.1M HEPES PH REMARK 280 7.5, 5% PEG 3000, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 31.64500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 15.93000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 31.64500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 15.93000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1370 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 4600 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -11.0 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 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 MG MG A 104 LIES ON A SPECIAL POSITION. 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 LYS A 17 46.24 35.04 REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 P33 A 105 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 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 103 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 104 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE P33 A 105 DBREF 4MN3 A 1 56 UNP O95931 CBX7_HUMAN 7 62 DBREF 4MN3 B 1 7 PDB 4MN3 4MN3 1 7 SEQRES 1 A 56 GLY GLU GLN VAL PHE ALA VAL GLU SER ILE ARG LYS LYS SEQRES 2 A 56 ARG VAL ARG LYS GLY LYS VAL GLU TYR LEU VAL LYS TRP SEQRES 3 A 56 LYS GLY TRP PRO PRO LYS TYR SER THR TRP GLU PRO GLU SEQRES 4 A 56 GLU HIS ILE LEU ASP PRO ARG LEU VAL MET ALA TYR GLU SEQRES 5 A 56 GLU LYS GLU GLU SEQRES 1 B 7 ACE PHE ALA TYR M3L SER NH2 MODRES 4MN3 M3L B 5 LYS N-TRIMETHYLLYSINE HET ACE B 1 3 HET M3L B 5 12 HET NH2 B 7 1 HET EDO A 101 4 HET EDO A 102 4 HET EDO A 103 4 HET MG A 104 1 HET P33 A 105 13 HETNAM ACE ACETYL GROUP HETNAM M3L N-TRIMETHYLLYSINE HETNAM NH2 AMINO GROUP HETNAM EDO 1,2-ETHANEDIOL HETNAM MG MAGNESIUM ION HETNAM P33 3,6,9,12,15,18-HEXAOXAICOSANE-1,20-DIOL HETSYN EDO ETHYLENE GLYCOL HETSYN P33 HEPTAETHYLENE GLYCOL, PEG330 FORMUL 2 ACE C2 H4 O FORMUL 2 M3L C9 H21 N2 O2 1+ FORMUL 2 NH2 H2 N FORMUL 3 EDO 3(C2 H6 O2) FORMUL 6 MG MG 2+ FORMUL 7 P33 C14 H30 O8 FORMUL 8 HOH *40(H2 O) HELIX 1 1 PRO A 30 SER A 34 5 5 HELIX 2 2 GLU A 40 ILE A 42 5 3 HELIX 3 3 ASP A 44 GLU A 55 1 12 SHEET 1 A 2 VAL A 4 PHE A 5 0 SHEET 2 A 2 ALA B 3 TYR B 4 -1 O ALA B 3 N PHE A 5 SHEET 1 B 3 VAL A 7 ARG A 16 0 SHEET 2 B 3 LYS A 19 TRP A 26 -1 O LYS A 19 N ARG A 16 SHEET 3 B 3 THR A 35 PRO A 38 -1 O THR A 35 N VAL A 24 LINK C ACE B 1 N PHE B 2 1555 1555 1.58 LINK C TYR B 4 N M3L B 5 1555 1555 1.32 LINK C M3L B 5 N SER B 6 1555 1555 1.32 LINK C SER B 6 N NH2 B 7 1555 1555 1.58 LINK OE1 GLU A 2 MG MG A 104 1555 1555 2.48 SITE 1 AC1 3 LYS A 25 TRP A 29 PRO A 30 SITE 1 AC2 5 LYS A 32 MET A 49 GLU A 52 HOH A 203 SITE 2 AC2 5 HOH A 232 SITE 1 AC3 4 LYS A 27 TRP A 29 PRO A 45 HOH B 103 SITE 1 AC4 2 GLU A 2 HIS A 41 SITE 1 AC5 8 LYS A 12 LYS A 13 VAL A 15 LEU A 23 SITE 2 AC5 8 PRO A 31 SER A 34 GLU A 55 HOH A 222 CRYST1 63.290 31.860 38.390 90.00 119.02 90.00 C 1 2 1 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 0.015800 0.000000 0.008765 0.00000 SCALE2 0.000000 0.031387 0.000000 0.00000 SCALE3 0.000000 0.000000 0.029788 0.00000 MASTER 294 0 8 3 5 0 7 6 0 0 0 6 END