HEADER DE NOVO PROTEIN 19-OCT-22 8H7C TITLE CRYSTAL STRUCTURE OF A DE NOVO ENZYME, FERRIC ENTEROBACTIN ESTERASE TITLE 2 SYN-F4 (K4T) - PT DERIVATIVE COMPND MOL_ID: 1; COMPND 2 MOLECULE: DE NOVO FERRIC ENTEROBACTIN ESTERASE SYN-F4; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.1.1.108; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 3 ORGANISM_TAXID: 32630; SOURCE 4 GENE: SYNF4; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_VARIANT: STAR; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PCA24N KEYWDS BINARY PATTERNED LIBRARY, DE NOVO ENZYME, DIMERIC 4-HELIX BUNDLE, KEYWDS 2 FERRIC ENTEROBACTIN ESTERASE, DE NOVO PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR K.KURIHARA,K.UMEZAWA,A.E.DONNELLY,M.H.HECHT,R.ARAI REVDAT 1 20-SEP-23 8H7C 0 JRNL AUTH K.KURIHARA,K.UMEZAWA,A.E.DONNELLY,B.SPERLING,G.LIAO, JRNL AUTH 2 M.H.HECHT,R.ARAI JRNL TITL CRYSTAL STRUCTURE AND ACTIVITY OF A DE NOVO ENZYME, FERRIC JRNL TITL 2 ENTEROBACTIN ESTERASE SYN-F4. JRNL REF PROC.NATL.ACAD.SCI.USA V. 120 81120 2023 JRNL REFN ESSN 1091-6490 JRNL PMID 37695900 JRNL DOI 10.1073/PNAS.2218281120 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.E.DONNELLY,G.S.MURPHY,K.M.DIGIANANTONIO,M.H.HECHT REMARK 1 TITL A DE NOVO ENZYME CATALYZES A LIFE-SUSTAINING REACTION IN REMARK 1 TITL 2 ESCHERICHIA COLI. REMARK 1 REF NAT CHEM BIOL V. 14 253 2018 REMARK 1 REFN ESSN 1552-4469 REMARK 1 PMID 29334382 REMARK 1 DOI 10.1038/NCHEMBIO.2550 REMARK 1 REFERENCE 2 REMARK 1 AUTH B.A.SMITH,A.E.MULARZ,M.H.HECHT REMARK 1 TITL DIVERGENT EVOLUTION OF A BIFUNCTIONAL DE NOVO PROTEIN. REMARK 1 REF PROTEIN SCI V. 24 246 2015 REMARK 1 REFN ESSN 1469-896X REMARK 1 PMID 25420677 REMARK 1 DOI 10.1002/PRO.2611 REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0135 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) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 88.1 REMARK 3 NUMBER OF REFLECTIONS : 8975 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) : 0.235 REMARK 3 R VALUE (WORKING SET) : 0.233 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 464 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) : 2.15 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.21 REMARK 3 REFLECTION IN BIN (WORKING SET) : 369 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 49.94 REMARK 3 BIN R VALUE (WORKING SET) : 0.2690 REMARK 3 BIN FREE R VALUE SET COUNT : 17 REMARK 3 BIN FREE R VALUE : 0.2370 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1576 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 41 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.83 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.02000 REMARK 3 B22 (A**2) : -0.13000 REMARK 3 B33 (A**2) : 0.15000 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): 0.445 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.265 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.196 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 7.865 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.920 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.919 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1647 ; 0.009 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1583 ; 0.006 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2224 ; 1.265 ; 1.899 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3593 ; 0.926 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 184 ; 5.206 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 111 ;38.711 ;24.234 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 303 ;18.186 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 14 ;15.645 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 239 ; 0.072 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1900 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 460 ; 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 : 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 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 8H7C COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-OCT-22. REMARK 100 THE DEPOSITION ID IS D_1300032887. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-NOV-18 REMARK 200 TEMPERATURE (KELVIN) : 95 REMARK 200 PH : 8.9 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-5A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.073, 1.069, 1.045 REMARK 200 MONOCHROMATOR : NUMERICAL LINK TYPE SI(111) REMARK 200 DOUBLE CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : FOCUSING MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 S 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10257 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.5 REMARK 200 DATA REDUNDANCY : 11.70 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.19 REMARK 200 COMPLETENESS FOR SHELL (%) : 71.6 REMARK 200 DATA REDUNDANCY IN SHELL : 7.80 REMARK 200 R MERGE FOR SHELL (I) : 0.50000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: PLATE-LIKE CRYSTAL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 35.44 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS, 0.2M AMMONIUM ACETATE, 8% REMARK 280 PEG 3350 (SOAKING IN 10MM K2PTCL4 FOR 1 DAY), PH 8.9, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 293K 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 64.49550 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 64.49550 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 23.99300 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 30.73400 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 23.99300 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 30.73400 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 64.49550 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 23.99300 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 30.73400 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 64.49550 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 23.99300 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 30.73400 REMARK 290 SMTRY3 8 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: 3870 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11560 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -67.0 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 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 MET A 1 REMARK 465 TYR A 2 REMARK 465 GLN A 49 REMARK 465 GLY A 50 REMARK 465 HIS A 51 REMARK 465 LYS A 52 REMARK 465 ASN A 53 REMARK 465 GLU A 54 REMARK 465 GLY A 55 REMARK 465 LYS A 56 REMARK 465 ARG A 102 REMARK 465 MET B 1 REMARK 465 TYR B 2 REMARK 465 PHE B 47 REMARK 465 MET B 48 REMARK 465 GLN B 49 REMARK 465 GLY B 50 REMARK 465 HIS B 51 REMARK 465 LYS B 52 REMARK 465 ASN B 53 REMARK 465 GLU B 54 REMARK 465 GLY B 55 DBREF 8H7C A 1 102 PDB 8H7C 8H7C 1 102 DBREF 8H7C B 1 102 PDB 8H7C 8H7C 1 102 SEQRES 1 A 102 MET TYR GLY THR LEU ASN GLN LEU PHE HIS ASN LEU ASN SEQRES 2 A 102 GLU ILE VAL GLU ASP LEU ASN LYS ASN TRP HIS ARG GLU SEQRES 3 A 102 ARG ARG THR LEU HIS ASP PHE ALA ASP GLU LEU HIS GLN SEQRES 4 A 102 LEU VAL LYS HIS VAL HIS HIS PHE MET GLN GLY HIS LYS SEQRES 5 A 102 ASN GLU GLY LYS LEU GLN ASP ILE VAL ASN GLN LEU ASP SEQRES 6 A 102 LYS LEU PHE ARG ASP LEU ASP ASN HIS LEU GLN ARG LYS SEQRES 7 A 102 ASP ASP THR VAL HIS HIS ARG HIS HIS GLN LEU ASN LYS SEQRES 8 A 102 LEU LEU ALA GLN LEU ASP ASN LEU VAL HIS ARG SEQRES 1 B 102 MET TYR GLY THR LEU ASN GLN LEU PHE HIS ASN LEU ASN SEQRES 2 B 102 GLU ILE VAL GLU ASP LEU ASN LYS ASN TRP HIS ARG GLU SEQRES 3 B 102 ARG ARG THR LEU HIS ASP PHE ALA ASP GLU LEU HIS GLN SEQRES 4 B 102 LEU VAL LYS HIS VAL HIS HIS PHE MET GLN GLY HIS LYS SEQRES 5 B 102 ASN GLU GLY LYS LEU GLN ASP ILE VAL ASN GLN LEU ASP SEQRES 6 B 102 LYS LEU PHE ARG ASP LEU ASP ASN HIS LEU GLN ARG LYS SEQRES 7 B 102 ASP ASP THR VAL HIS HIS ARG HIS HIS GLN LEU ASN LYS SEQRES 8 B 102 LEU LEU ALA GLN LEU ASP ASN LEU VAL HIS ARG HET PT A 201 1 HET CL A 202 1 HET ACT A 203 4 HET PC4 B 201 5 HETNAM PT PLATINUM (II) ION HETNAM CL CHLORIDE ION HETNAM ACT ACETATE ION HETNAM PC4 TETRACHLOROPLATINATE(II) FORMUL 3 PT PT 2+ FORMUL 4 CL CL 1- FORMUL 5 ACT C2 H3 O2 1- FORMUL 6 PC4 CL4 PT 2- FORMUL 7 HOH *41(H2 O) HELIX 1 AA1 GLY A 3 MET A 48 1 46 HELIX 2 AA2 GLN A 58 HIS A 101 1 44 HELIX 3 AA3 THR B 4 HIS B 46 1 43 HELIX 4 AA4 LEU B 57 HIS B 101 1 45 LINK ND1 HIS A 31 PT PT A 201 1555 1555 2.39 CRYST1 47.986 61.468 128.991 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 0.020839 0.000000 0.000000 0.00000 SCALE2 0.000000 0.016269 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007752 0.00000