HEADER OXIDOREDUCTASE 30-SEP-97 1AV8 TITLE RIBONUCLEOTIDE REDUCTASE R2 SUBUNIT FROM E. COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEOTIDE REDUCTASE R2; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.17.4.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS OXIDOREDUCTASE, DNA REPLICATION EXPDTA X-RAY DIFFRACTION AUTHOR S.HAN,A.ARVAI,J.A.TAINER REVDAT 7 22-MAY-24 1AV8 1 REMARK REVDAT 6 02-AUG-23 1AV8 1 REMARK LINK REVDAT 5 27-JUN-18 1AV8 1 REMARK LINK REVDAT 4 24-FEB-09 1AV8 1 VERSN REVDAT 3 08-FEB-05 1AV8 1 JRNL REVDAT 2 18-NOV-98 1AV8 2 COMPND REMARK JRNL KEYWDS REVDAT 2 2 2 CONECT LINK REVDAT 1 28-OCT-98 1AV8 0 JRNL AUTH W.TONG,D.BURDI,P.RIGGS-GELASCO,S.CHEN,D.EDMONDSON,B.H.HUYNH, JRNL AUTH 2 J.STUBBE,S.HAN,A.ARVAI,J.A.TAINER JRNL TITL CHARACTERIZATION OF Y122F R2 OF ESCHERICHIA COLI JRNL TITL 2 RIBONUCLEOTIDE REDUCTASE BY TIME-RESOLVED PHYSICAL JRNL TITL 3 BIOCHEMICAL METHODS AND X-RAY CRYSTALLOGRAPHY. JRNL REF BIOCHEMISTRY V. 37 5840 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9558317 JRNL DOI 10.1021/BI9728811 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.NORDLUND,H.EKLUND REMARK 1 TITL STRUCTURE AND FUNCTION OF THE ESCHERICHIA COLI REMARK 1 TITL 2 RIBONUCLEOTIDE REDUCTASE PROTEIN R2 REMARK 1 REF J.MOL.BIOL. V. 232 123 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.8 REMARK 3 NUMBER OF REFLECTIONS : 29263 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.139 REMARK 3 FREE R VALUE : 0.192 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 6.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 5578 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 137 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.019 REMARK 3 BOND ANGLES (DEGREES) : 1.345 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.88 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.356 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.650 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 3.930 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AV8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000171299. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : AUG-96 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 7.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 299329 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 5.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08900 REMARK 200 FOR THE DATA SET : 11.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.92 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.6 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.28400 REMARK 200 FOR SHELL : 10.00 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: 1RIB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 65.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.50 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 80% REMARK 280 SATURATED NACL, NEAR PHYSIOLOGICAL PH (PH 7.6) REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.86667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 73.73333 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 55.30000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 92.16667 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 18.43333 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: 6480 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23050 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -63.0 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 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG A 57 CZ NH1 NH2 REMARK 480 GLY A 179 O REMARK 480 LYS A 180 CE NZ REMARK 480 GLU B 151 OE1 OE2 REMARK 480 GLY B 179 O REMARK 480 THR B 181 O REMARK 480 ARG B 253 NH1 NH2 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 LEU A 242 CA - CB - CG ANGL. DEV. = 17.2 DEGREES REMARK 500 LEU B 242 CA - CB - CG ANGL. DEV. = 17.3 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 PHE A 5 95.13 -161.47 REMARK 500 ASN A 24 -71.85 -105.15 REMARK 500 PHE A 47 124.36 -35.76 REMARK 500 ASP A 257 -81.29 -97.93 REMARK 500 SER A 295 -165.12 -108.13 REMARK 500 ASP B 34 6.31 -68.67 REMARK 500 ASN B 143 102.28 -28.19 REMARK 500 ALA B 256 1.44 -69.61 REMARK 500 ASP B 257 -66.95 -121.51 REMARK 500 REMARK 500 REMARK: NULL 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 FEO A 401 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 84 OD1 REMARK 620 2 FEO A 401 O 136.3 REMARK 620 3 ASP A 84 OD2 52.1 158.3 REMARK 620 4 GLU A 115 OE1 77.0 92.3 109.4 REMARK 620 5 HIS A 118 ND1 136.5 86.7 91.0 99.4 REMARK 620 6 HOH A1202 O 112.2 79.7 78.8 170.5 75.3 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FEO A 401 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 115 OE2 REMARK 620 2 FEO A 401 O 107.0 REMARK 620 3 GLU A 204 OE2 84.6 166.7 REMARK 620 4 GLU A 238 OE1 172.6 80.4 88.1 REMARK 620 5 HIS A 241 ND1 84.9 87.3 87.2 95.0 REMARK 620 6 HOH A1201 O 81.7 98.5 89.5 98.1 166.4 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FEO B 402 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 84 OD2 REMARK 620 2 FEO B 402 O 163.7 REMARK 620 3 ASP B 84 OD1 51.9 131.4 REMARK 620 4 GLU B 115 OE1 106.5 88.5 70.8 REMARK 620 5 HIS B 118 ND1 90.2 91.1 136.6 108.0 REMARK 620 6 HOH B1204 O 81.2 82.5 100.5 158.1 92.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 FEO B 402 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 115 OE2 REMARK 620 2 FEO B 402 O 95.1 REMARK 620 3 GLU B 204 OE2 80.1 174.3 REMARK 620 4 GLU B 238 OE1 177.5 83.3 101.6 REMARK 620 5 HIS B 241 ND1 87.5 77.9 98.8 94.1 REMARK 620 6 HOH B1203 O 78.2 96.6 85.4 99.9 164.3 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FEO A 401 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FEO B 402 DBREF 1AV8 A 1 340 UNP P69924 RIR2_ECOLI 1 340 DBREF 1AV8 B 1 340 UNP P69924 RIR2_ECOLI 1 340 SEQRES 1 A 340 ALA TYR THR THR PHE SER GLN THR LYS ASN ASP GLN LEU SEQRES 2 A 340 LYS GLU PRO MET PHE PHE GLY GLN PRO VAL ASN VAL ALA SEQRES 3 A 340 ARG TYR ASP GLN GLN LYS TYR ASP ILE PHE GLU LYS LEU SEQRES 4 A 340 ILE GLU LYS GLN LEU SER PHE PHE TRP ARG PRO GLU GLU SEQRES 5 A 340 VAL ASP VAL SER ARG ASP ARG ILE ASP TYR GLN ALA LEU SEQRES 6 A 340 PRO GLU HIS GLU LYS HIS ILE PHE ILE SER ASN LEU LYS SEQRES 7 A 340 TYR GLN THR LEU LEU ASP SER ILE GLN GLY ARG SER PRO SEQRES 8 A 340 ASN VAL ALA LEU LEU PRO LEU ILE SER ILE PRO GLU LEU SEQRES 9 A 340 GLU THR TRP VAL GLU THR TRP ALA PHE SER GLU THR ILE SEQRES 10 A 340 HIS SER ARG SER TYR THR HIS ILE ILE ARG ASN ILE VAL SEQRES 11 A 340 ASN ASP PRO SER VAL VAL PHE ASP ASP ILE VAL THR ASN SEQRES 12 A 340 GLU GLN ILE GLN LYS ARG ALA GLU GLY ILE SER SER TYR SEQRES 13 A 340 TYR ASP GLU LEU ILE GLU MET THR SER TYR TRP HIS LEU SEQRES 14 A 340 LEU GLY GLU GLY THR HIS THR VAL ASN GLY LYS THR VAL SEQRES 15 A 340 THR VAL SER LEU ARG GLU LEU LYS LYS LYS LEU TYR LEU SEQRES 16 A 340 CYS LEU MET SER VAL ASN ALA LEU GLU ALA ILE ARG PHE SEQRES 17 A 340 TYR VAL SER PHE ALA CYS SER PHE ALA PHE ALA GLU ARG SEQRES 18 A 340 GLU LEU MET GLU GLY ASN ALA LYS ILE ILE ARG LEU ILE SEQRES 19 A 340 ALA ARG ASP GLU ALA LEU HIS LEU THR GLY THR GLN HIS SEQRES 20 A 340 MET LEU ASN LEU LEU ARG SER GLY ALA ASP ASP PRO GLU SEQRES 21 A 340 MET ALA GLU ILE ALA GLU GLU CYS LYS GLN GLU CYS TYR SEQRES 22 A 340 ASP LEU PHE VAL GLN ALA ALA GLN GLN GLU LYS ASP TRP SEQRES 23 A 340 ALA ASP TYR LEU PHE ARG ASP GLY SER MET ILE GLY LEU SEQRES 24 A 340 ASN LYS ASP ILE LEU CYS GLN TYR VAL GLU TYR ILE THR SEQRES 25 A 340 ASN ILE ARG MET GLN ALA VAL GLY LEU ASP LEU PRO PHE SEQRES 26 A 340 GLN THR ARG SER ASN PRO ILE PRO TRP ILE ASN THR TRP SEQRES 27 A 340 LEU VAL SEQRES 1 B 340 ALA TYR THR THR PHE SER GLN THR LYS ASN ASP GLN LEU SEQRES 2 B 340 LYS GLU PRO MET PHE PHE GLY GLN PRO VAL ASN VAL ALA SEQRES 3 B 340 ARG TYR ASP GLN GLN LYS TYR ASP ILE PHE GLU LYS LEU SEQRES 4 B 340 ILE GLU LYS GLN LEU SER PHE PHE TRP ARG PRO GLU GLU SEQRES 5 B 340 VAL ASP VAL SER ARG ASP ARG ILE ASP TYR GLN ALA LEU SEQRES 6 B 340 PRO GLU HIS GLU LYS HIS ILE PHE ILE SER ASN LEU LYS SEQRES 7 B 340 TYR GLN THR LEU LEU ASP SER ILE GLN GLY ARG SER PRO SEQRES 8 B 340 ASN VAL ALA LEU LEU PRO LEU ILE SER ILE PRO GLU LEU SEQRES 9 B 340 GLU THR TRP VAL GLU THR TRP ALA PHE SER GLU THR ILE SEQRES 10 B 340 HIS SER ARG SER TYR THR HIS ILE ILE ARG ASN ILE VAL SEQRES 11 B 340 ASN ASP PRO SER VAL VAL PHE ASP ASP ILE VAL THR ASN SEQRES 12 B 340 GLU GLN ILE GLN LYS ARG ALA GLU GLY ILE SER SER TYR SEQRES 13 B 340 TYR ASP GLU LEU ILE GLU MET THR SER TYR TRP HIS LEU SEQRES 14 B 340 LEU GLY GLU GLY THR HIS THR VAL ASN GLY LYS THR VAL SEQRES 15 B 340 THR VAL SER LEU ARG GLU LEU LYS LYS LYS LEU TYR LEU SEQRES 16 B 340 CYS LEU MET SER VAL ASN ALA LEU GLU ALA ILE ARG PHE SEQRES 17 B 340 TYR VAL SER PHE ALA CYS SER PHE ALA PHE ALA GLU ARG SEQRES 18 B 340 GLU LEU MET GLU GLY ASN ALA LYS ILE ILE ARG LEU ILE SEQRES 19 B 340 ALA ARG ASP GLU ALA LEU HIS LEU THR GLY THR GLN HIS SEQRES 20 B 340 MET LEU ASN LEU LEU ARG SER GLY ALA ASP ASP PRO GLU SEQRES 21 B 340 MET ALA GLU ILE ALA GLU GLU CYS LYS GLN GLU CYS TYR SEQRES 22 B 340 ASP LEU PHE VAL GLN ALA ALA GLN GLN GLU LYS ASP TRP SEQRES 23 B 340 ALA ASP TYR LEU PHE ARG ASP GLY SER MET ILE GLY LEU SEQRES 24 B 340 ASN LYS ASP ILE LEU CYS GLN TYR VAL GLU TYR ILE THR SEQRES 25 B 340 ASN ILE ARG MET GLN ALA VAL GLY LEU ASP LEU PRO PHE SEQRES 26 B 340 GLN THR ARG SER ASN PRO ILE PRO TRP ILE ASN THR TRP SEQRES 27 B 340 LEU VAL HET FEO A 401 3 HET FEO B 402 3 HETNAM FEO MU-OXO-DIIRON FORMUL 3 FEO 2(FE2 O) FORMUL 5 HOH *137(H2 O) HELIX 1 1 ASP A 34 PHE A 46 1 13 HELIX 2 2 PRO A 50 GLU A 52 5 3 HELIX 3 3 SER A 56 ALA A 64 1 9 HELIX 4 4 GLU A 67 ALA A 94 1 28 HELIX 5 5 LEU A 96 LEU A 98 5 3 HELIX 6 6 PRO A 102 ILE A 129 1 28 HELIX 7 7 PRO A 133 THR A 142 1 10 HELIX 8 8 GLU A 144 LEU A 170 1 27 HELIX 9 9 LEU A 186 ALA A 205 1 20 HELIX 10 10 ARG A 207 ARG A 221 1 15 HELIX 11 11 GLU A 225 SER A 254 1 30 HELIX 12 12 PRO A 259 GLU A 267 1 9 HELIX 13 13 LYS A 269 PHE A 291 1 23 HELIX 14 14 LYS A 301 VAL A 319 1 19 HELIX 15 15 PRO A 333 THR A 337 5 5 HELIX 16 16 GLN B 12 LYS B 14 5 3 HELIX 17 17 ILE B 35 SER B 45 1 11 HELIX 18 18 PRO B 50 GLU B 52 5 3 HELIX 19 19 ARG B 57 ALA B 64 1 8 HELIX 20 20 GLU B 67 LEU B 98 1 32 HELIX 21 21 PRO B 102 ILE B 129 1 28 HELIX 22 22 PRO B 133 THR B 142 1 10 HELIX 23 23 GLU B 144 LEU B 170 1 27 HELIX 24 24 LEU B 186 ALA B 205 1 20 HELIX 25 25 ARG B 207 ARG B 221 1 15 HELIX 26 26 GLU B 225 ARG B 253 1 29 HELIX 27 27 PRO B 259 PHE B 291 1 33 HELIX 28 28 LYS B 301 VAL B 319 1 19 HELIX 29 29 PRO B 333 TRP B 338 5 6 SHEET 1 A 2 GLY A 173 VAL A 177 0 SHEET 2 A 2 LYS A 180 VAL A 184 -1 N VAL A 184 O GLY A 173 SHEET 1 B 2 GLY B 173 THR B 176 0 SHEET 2 B 2 THR B 181 VAL B 184 -1 N VAL B 184 O GLY B 173 LINK OD1 ASP A 84 FE1 FEO A 401 1555 1555 2.50 LINK OD2 ASP A 84 FE1 FEO A 401 1555 1555 2.48 LINK OE1 GLU A 115 FE1 FEO A 401 1555 1555 1.96 LINK OE2 GLU A 115 FE2 FEO A 401 1555 1555 2.00 LINK ND1 HIS A 118 FE1 FEO A 401 1555 1555 2.04 LINK OE2 GLU A 204 FE2 FEO A 401 1555 1555 1.95 LINK OE1 GLU A 238 FE2 FEO A 401 1555 1555 1.98 LINK ND1 HIS A 241 FE2 FEO A 401 1555 1555 2.07 LINK FE2 FEO A 401 O HOH A1201 1555 1555 2.20 LINK FE1 FEO A 401 O HOH A1202 1555 1555 2.11 LINK OD2 ASP B 84 FE1 FEO B 402 1555 1555 2.49 LINK OD1 ASP B 84 FE1 FEO B 402 1555 1555 2.49 LINK OE1 GLU B 115 FE1 FEO B 402 1555 1555 1.96 LINK OE2 GLU B 115 FE2 FEO B 402 1555 1555 2.10 LINK ND1 HIS B 118 FE1 FEO B 402 1555 1555 1.97 LINK OE2 GLU B 204 FE2 FEO B 402 1555 1555 1.91 LINK OE1 GLU B 238 FE2 FEO B 402 1555 1555 1.89 LINK ND1 HIS B 241 FE2 FEO B 402 1555 1555 2.11 LINK FE2 FEO B 402 O HOH B1203 1555 1555 2.07 LINK FE1 FEO B 402 O HOH B1204 1555 1555 2.26 SITE 1 AC1 8 ASP A 84 GLU A 115 HIS A 118 GLU A 204 SITE 2 AC1 8 GLU A 238 HIS A 241 HOH A1201 HOH A1202 SITE 1 AC2 8 ASP B 84 GLU B 115 HIS B 118 GLU B 204 SITE 2 AC2 8 GLU B 238 HIS B 241 HOH B1203 HOH B1204 CRYST1 139.700 139.700 110.600 90.00 90.00 120.00 P 61 12 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 0.007158 0.004133 0.000000 0.00000 SCALE2 0.000000 0.008266 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009042 0.00000 MTRIX1 1 -0.394139 0.916991 0.061508 -14.59223 1 MTRIX2 1 0.918337 0.395587 -0.012954 8.91088 1 MTRIX3 1 -0.036210 0.051380 -0.998023 18.33630 1