HEADER HYDROLASE 04-OCT-00 1FZR TITLE CRYSTAL STRUCTURE OF BACTERIOPHAGE T7 ENDONUCLEASE I COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDONUCLEASE I; COMPND 3 CHAIN: A, B, C, D; COMPND 4 FRAGMENT: RESIDUES 12-149; COMPND 5 SYNONYM: ENDODEOXYRIBONUCLEASE I; COMPND 6 EC: 3.1.21.2; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE T7; SOURCE 3 ORGANISM_TAXID: 10760; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PET19B KEYWDS HOLLIDAY JUNCTION RESOLVASE, HOMODIMER, DOMAIN SWAPPED, COMPOSITE KEYWDS 2 ACTIVE SITE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR J.M.HADDEN,M.A.CONVERY,A.C.DECLAIS,D.M.J.LILLEY,S.E.V.PHILLIPS REVDAT 6 07-FEB-24 1FZR 1 REMARK REVDAT 5 03-NOV-21 1FZR 1 SEQADV SHEET REVDAT 4 24-FEB-09 1FZR 1 VERSN REVDAT 3 01-APR-03 1FZR 1 JRNL REVDAT 2 10-OCT-01 1FZR 1 REMARK REVDAT 1 17-JAN-01 1FZR 0 JRNL AUTH J.M.HADDEN,M.A.CONVERY,A.C.DECLAIS,D.M.LILLEY,S.E.PHILLIPS JRNL TITL CRYSTAL STRUCTURE OF THE HOLLIDAY JUNCTION RESOLVING ENZYME JRNL TITL 2 T7 ENDONUCLEASE I. JRNL REF NAT.STRUCT.BIOL. V. 8 62 2001 JRNL REFN ISSN 1072-8368 JRNL PMID 11135673 JRNL DOI 10.1038/83067 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 0.9 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 28.81 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2004036.540 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 60471 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 SET) : 0.198 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 6061 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 94.90 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 8545 REMARK 3 BIN R VALUE (WORKING SET) : 0.2840 REMARK 3 BIN FREE R VALUE : 0.3240 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 960 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.010 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4217 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 485 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 38.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 54.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.64000 REMARK 3 B22 (A**2) : -2.28000 REMARK 3 B33 (A**2) : -5.36000 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) : 0.25 REMARK 3 ESD FROM SIGMAA (A) : 0.21 REMARK 3 LOW RESOLUTION CUTOFF (A) : 29.0 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.25 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.080 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 4.720 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 5.600 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 7.580 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 9.580 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 72.05 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: MAXIMUM LIKELIHOOD TARGET USED. THE REMARK 3 STRUCTURE WAS SOLVED USING THE SEMET MAD TECHNIQUE AT 3.0A, AN REMARK 3 OPTIMISED ANOMALOUS DATA SET AT 2.5A AND A NATIVE DATA SET AT REMARK 3 2.1A. SEE PAPER FOR DETAILS. REMARK 4 REMARK 4 1FZR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-OCT-00. REMARK 100 THE DEPOSITION ID IS D_1000012053. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-JUL-98 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.933 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (TRUNCATE) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 61020 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 29.880 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.06000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 3.80 REMARK 200 R MERGE FOR SHELL (I) : 0.48800 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: NULL REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 69.26 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, AMMONIUM SULPHATE, SODIUM REMARK 280 CHLORIDE, TRIS.HCL, PH 7.2, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 291K. PEG 4000, AMMONIUM SULPHATE, SODIUM CHLORIDE, REMARK 280 TRIS.HCL, ALSO USED CROSS SEEDING USING NON-SEMET SUBSTITUTED REMARK 280 PROTEIN, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 61.83000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 67.59500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 61.83000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 67.59500 REMARK 290 SMTRY3 4 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 300 REMARK: ENDONUCLEASE I IS ACTIVE AS A HOMODIMER. THERE ARE 2 REMARK 300 HOMODIMERS IN THE ASYMMETRIC UNIT. CHAINS A AND B FORM ONE REMARK 300 HOMODIMER. 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: 5910 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14470 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -43.0 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 350 REMARK 350 BIOMOLECULE: 2 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: 5890 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14490 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -45.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D 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 VAL A 12 REMARK 465 GLY A 13 REMARK 465 ALA A 14 REMARK 465 PHE A 15 REMARK 465 ARG A 16 REMARK 465 GLY A 146 REMARK 465 GLY A 147 REMARK 465 LYS A 148 REMARK 465 LYS A 149 REMARK 465 VAL B 12 REMARK 465 GLY B 13 REMARK 465 ALA B 14 REMARK 465 PHE B 15 REMARK 465 ARG B 16 REMARK 465 GLY B 146 REMARK 465 GLY B 147 REMARK 465 LYS B 148 REMARK 465 LYS B 149 REMARK 465 VAL C 12 REMARK 465 GLY C 13 REMARK 465 ALA C 14 REMARK 465 PHE C 15 REMARK 465 ARG C 16 REMARK 465 GLY C 146 REMARK 465 GLY C 147 REMARK 465 LYS C 148 REMARK 465 LYS C 149 REMARK 465 VAL D 12 REMARK 465 GLY D 13 REMARK 465 ALA D 14 REMARK 465 PHE D 15 REMARK 465 ARG D 16 REMARK 465 GLY D 146 REMARK 465 GLY D 147 REMARK 465 LYS D 148 REMARK 465 LYS D 149 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 LEU A 69 CG CD1 CD2 REMARK 470 GLU A 83 CG CD OE1 OE2 REMARK 470 LYS A 103 CG CD CE NZ REMARK 470 LYS A 131 CG CD CE NZ REMARK 470 GLU A 136 CG CD OE1 OE2 REMARK 470 LYS A 143 CG CD CE NZ REMARK 470 LYS B 25 CG CD CE NZ REMARK 470 LYS B 143 CG CD CE NZ REMARK 470 LYS B 145 CG CD CE NZ REMARK 470 LYS C 33 CG CD CE NZ REMARK 470 LYS C 103 CG CD CE NZ REMARK 470 LYS C 131 CG CD CE NZ REMARK 470 GLU C 136 CG CD OE1 OE2 REMARK 470 LYS C 143 CG CD CE NZ REMARK 470 LYS C 145 CG CD CE NZ REMARK 470 LYS D 25 CG CD CE NZ REMARK 470 GLU D 136 CG CD OE1 OE2 REMARK 470 LYS D 145 CG CD CE 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 GLY B 68 N - CA - C ANGL. DEV. = -15.1 DEGREES REMARK 500 GLY D 68 N - CA - C ANGL. DEV. = -15.7 DEGREES REMARK 500 ARG D 75 NE - CZ - NH2 ANGL. DEV. = -3.6 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 103 -33.70 -27.02 REMARK 500 LYS A 123 -46.11 62.95 REMARK 500 LYS B 123 -47.51 67.80 REMARK 500 LYS C 103 -87.07 -6.92 REMARK 500 LYS C 123 -54.45 60.59 REMARK 500 LYS D 123 -55.72 72.52 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 52 0.07 SIDE CHAIN REMARK 500 TYR B 52 0.09 SIDE CHAIN REMARK 500 TYR C 52 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL DBREF 1FZR A 12 149 UNP P00641 ENRN_BPT7 12 149 DBREF 1FZR B 12 149 UNP P00641 ENRN_BPT7 12 149 DBREF 1FZR C 12 149 UNP P00641 ENRN_BPT7 12 149 DBREF 1FZR D 12 149 UNP P00641 ENRN_BPT7 12 149 SEQADV 1FZR LYS A 65 UNP P00641 GLU 65 ENGINEERED MUTATION SEQADV 1FZR LYS B 65 UNP P00641 GLU 65 ENGINEERED MUTATION SEQADV 1FZR LYS C 65 UNP P00641 GLU 65 ENGINEERED MUTATION SEQADV 1FZR LYS D 65 UNP P00641 GLU 65 ENGINEERED MUTATION SEQRES 1 A 138 VAL GLY ALA PHE ARG SER GLY LEU GLU ASP LYS VAL SER SEQRES 2 A 138 LYS GLN LEU GLU SER LYS GLY ILE LYS PHE GLU TYR GLU SEQRES 3 A 138 GLU TRP LYS VAL PRO TYR VAL ILE PRO ALA SER ASN HIS SEQRES 4 A 138 THR TYR THR PRO ASP PHE LEU LEU PRO ASN GLY ILE PHE SEQRES 5 A 138 VAL LYS THR LYS GLY LEU TRP GLU SER ASP ASP ARG LYS SEQRES 6 A 138 LYS HIS LEU LEU ILE ARG GLU GLN HIS PRO GLU LEU ASP SEQRES 7 A 138 ILE ARG ILE VAL PHE SER SER SER ARG THR LYS LEU TYR SEQRES 8 A 138 LYS GLY SER PRO THR SER TYR GLY GLU PHE CYS GLU LYS SEQRES 9 A 138 HIS GLY ILE LYS PHE ALA ASP LYS LEU ILE PRO ALA GLU SEQRES 10 A 138 TRP ILE LYS GLU PRO LYS LYS GLU VAL PRO PHE ASP ARG SEQRES 11 A 138 LEU LYS ARG LYS GLY GLY LYS LYS SEQRES 1 B 138 VAL GLY ALA PHE ARG SER GLY LEU GLU ASP LYS VAL SER SEQRES 2 B 138 LYS GLN LEU GLU SER LYS GLY ILE LYS PHE GLU TYR GLU SEQRES 3 B 138 GLU TRP LYS VAL PRO TYR VAL ILE PRO ALA SER ASN HIS SEQRES 4 B 138 THR TYR THR PRO ASP PHE LEU LEU PRO ASN GLY ILE PHE SEQRES 5 B 138 VAL LYS THR LYS GLY LEU TRP GLU SER ASP ASP ARG LYS SEQRES 6 B 138 LYS HIS LEU LEU ILE ARG GLU GLN HIS PRO GLU LEU ASP SEQRES 7 B 138 ILE ARG ILE VAL PHE SER SER SER ARG THR LYS LEU TYR SEQRES 8 B 138 LYS GLY SER PRO THR SER TYR GLY GLU PHE CYS GLU LYS SEQRES 9 B 138 HIS GLY ILE LYS PHE ALA ASP LYS LEU ILE PRO ALA GLU SEQRES 10 B 138 TRP ILE LYS GLU PRO LYS LYS GLU VAL PRO PHE ASP ARG SEQRES 11 B 138 LEU LYS ARG LYS GLY GLY LYS LYS SEQRES 1 C 138 VAL GLY ALA PHE ARG SER GLY LEU GLU ASP LYS VAL SER SEQRES 2 C 138 LYS GLN LEU GLU SER LYS GLY ILE LYS PHE GLU TYR GLU SEQRES 3 C 138 GLU TRP LYS VAL PRO TYR VAL ILE PRO ALA SER ASN HIS SEQRES 4 C 138 THR TYR THR PRO ASP PHE LEU LEU PRO ASN GLY ILE PHE SEQRES 5 C 138 VAL LYS THR LYS GLY LEU TRP GLU SER ASP ASP ARG LYS SEQRES 6 C 138 LYS HIS LEU LEU ILE ARG GLU GLN HIS PRO GLU LEU ASP SEQRES 7 C 138 ILE ARG ILE VAL PHE SER SER SER ARG THR LYS LEU TYR SEQRES 8 C 138 LYS GLY SER PRO THR SER TYR GLY GLU PHE CYS GLU LYS SEQRES 9 C 138 HIS GLY ILE LYS PHE ALA ASP LYS LEU ILE PRO ALA GLU SEQRES 10 C 138 TRP ILE LYS GLU PRO LYS LYS GLU VAL PRO PHE ASP ARG SEQRES 11 C 138 LEU LYS ARG LYS GLY GLY LYS LYS SEQRES 1 D 138 VAL GLY ALA PHE ARG SER GLY LEU GLU ASP LYS VAL SER SEQRES 2 D 138 LYS GLN LEU GLU SER LYS GLY ILE LYS PHE GLU TYR GLU SEQRES 3 D 138 GLU TRP LYS VAL PRO TYR VAL ILE PRO ALA SER ASN HIS SEQRES 4 D 138 THR TYR THR PRO ASP PHE LEU LEU PRO ASN GLY ILE PHE SEQRES 5 D 138 VAL LYS THR LYS GLY LEU TRP GLU SER ASP ASP ARG LYS SEQRES 6 D 138 LYS HIS LEU LEU ILE ARG GLU GLN HIS PRO GLU LEU ASP SEQRES 7 D 138 ILE ARG ILE VAL PHE SER SER SER ARG THR LYS LEU TYR SEQRES 8 D 138 LYS GLY SER PRO THR SER TYR GLY GLU PHE CYS GLU LYS SEQRES 9 D 138 HIS GLY ILE LYS PHE ALA ASP LYS LEU ILE PRO ALA GLU SEQRES 10 D 138 TRP ILE LYS GLU PRO LYS LYS GLU VAL PRO PHE ASP ARG SEQRES 11 D 138 LEU LYS ARG LYS GLY GLY LYS LYS FORMUL 5 HOH *485(H2 O) HELIX 1 1 SER A 17 LYS A 30 1 14 HELIX 2 2 GLU A 71 HIS A 85 1 15 HELIX 3 3 SER A 108 HIS A 116 1 9 HELIX 4 4 PRO A 126 GLU A 132 1 7 HELIX 5 5 PRO A 138 LEU A 142 5 5 HELIX 6 6 SER B 17 LYS B 30 1 14 HELIX 7 7 GLU B 71 HIS B 85 1 15 HELIX 8 8 SER B 108 GLY B 117 1 10 HELIX 9 9 PRO B 126 GLU B 132 1 7 HELIX 10 10 PRO B 138 LEU B 142 5 5 HELIX 11 11 SER C 17 LYS C 30 1 14 HELIX 12 12 GLU C 71 HIS C 85 1 15 HELIX 13 13 SER C 108 HIS C 116 1 9 HELIX 14 14 PRO C 126 GLU C 132 1 7 HELIX 15 15 PRO C 138 LEU C 142 5 5 HELIX 16 16 SER D 17 LYS D 30 1 14 HELIX 17 17 GLU D 71 HIS D 85 1 15 HELIX 18 18 SER D 108 HIS D 116 1 9 HELIX 19 19 PRO D 126 LYS D 131 1 6 HELIX 20 20 PRO D 138 LEU D 142 5 5 SHEET 1 A 5 GLU A 35 TYR A 36 0 SHEET 2 A 5 PHE B 56 LEU B 57 -1 O LEU B 57 N GLU A 35 SHEET 3 A 5 PHE B 63 LYS B 67 -1 N VAL B 64 O PHE B 56 SHEET 4 A 5 ILE B 90 PHE B 94 1 O ARG B 91 N LYS B 65 SHEET 5 A 5 PHE B 120 ASP B 122 1 O ALA B 121 N PHE B 94 SHEET 1 B 2 SER B 48 TYR B 52 0 SHEET 2 B 2 TRP A 39 ILE A 45 -1 N VAL A 41 O TYR B 52 SHEET 1 C 2 SER A 48 TYR A 52 0 SHEET 2 C 2 TRP B 39 ILE B 45 -1 N VAL B 41 O TYR A 52 SHEET 1 D 5 PHE A 120 ASP A 122 0 SHEET 2 D 5 ASP A 89 PHE A 94 1 O ILE A 92 N ALA A 121 SHEET 3 D 5 ILE A 62 LYS A 67 1 N PHE A 63 O ASP A 89 SHEET 4 D 5 PHE A 56 LEU A 57 -1 O PHE A 56 N VAL A 64 SHEET 5 D 5 GLU B 35 TYR B 36 -1 N GLU B 35 O LEU A 57 SHEET 1 E 5 GLU C 35 TYR C 36 0 SHEET 2 E 5 PHE D 56 LEU D 57 -1 O LEU D 57 N GLU C 35 SHEET 3 E 5 PHE D 63 LYS D 67 -1 N VAL D 64 O PHE D 56 SHEET 4 E 5 ILE D 90 PHE D 94 1 N ARG D 91 O PHE D 63 SHEET 5 E 5 PHE D 120 ASP D 122 1 O ALA D 121 N PHE D 94 SHEET 1 F 3 SER D 48 TYR D 52 0 SHEET 2 F 3 TRP C 39 ILE C 45 -1 N VAL C 41 O TYR D 52 SHEET 3 F 3 LYS D 143 ARG D 144 -1 O LYS D 143 N LYS C 40 SHEET 1 G 2 SER C 48 TYR C 52 0 SHEET 2 G 2 TRP D 39 ILE D 45 -1 N VAL D 41 O TYR C 52 SHEET 1 H 5 PHE C 120 ASP C 122 0 SHEET 2 H 5 ASP C 89 PHE C 94 1 O ILE C 92 N ALA C 121 SHEET 3 H 5 ILE C 62 LYS C 67 1 N PHE C 63 O ASP C 89 SHEET 4 H 5 PHE C 56 LEU C 57 -1 O PHE C 56 N VAL C 64 SHEET 5 H 5 GLU D 35 TYR D 36 -1 N GLU D 35 O LEU C 57 CRYST1 123.660 135.190 61.580 90.00 90.00 90.00 P 21 21 2 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 0.008087 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007397 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016239 0.00000