HEADER ISOMERASE 22-AUG-00 1FNJ TITLE CRYSTAL STRUCTURE ANALYSIS OF CHORISMATE MUTASE MUTANT C88S/R90K COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (CHORISMATE MUTASE); COMPND 3 CHAIN: A; COMPND 4 EC: 5.4.99.5; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET-22B(+),PKET3-W KEYWDS CHORISMATE MUTASE, PROTEIN, MUTANT, PSEUDO-ALPHA BETA-BARREL, TRIMER, KEYWDS 2 ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR P.KAST,C.GRISOSTOMI,I.A.CHEN,S.LI,U.KRENGEL,Y.XUE,D.HILVERT REVDAT 9 09-OCT-24 1FNJ 1 REMARK REVDAT 8 15-NOV-23 1FNJ 1 REMARK REVDAT 7 09-AUG-23 1FNJ 1 REMARK REVDAT 6 03-NOV-21 1FNJ 1 SEQADV LINK REVDAT 5 04-OCT-17 1FNJ 1 REMARK REVDAT 4 13-JUL-11 1FNJ 1 VERSN REVDAT 3 24-FEB-09 1FNJ 1 VERSN REVDAT 2 13-MAR-02 1FNJ 1 JRNL REMARK REVDAT 1 11-OCT-00 1FNJ 0 JRNL AUTH P.KAST,C.GRISOSTOMI,I.A.CHEN,S.LI,U.KRENGEL,Y.XUE,D.HILVERT JRNL TITL A STRATEGICALLY POSITIONED CATION IS CRUCIAL FOR EFFICIENT JRNL TITL 2 CATALYSIS BY CHORISMATE MUTASE. JRNL REF J.BIOL.CHEM. V. 275 36832 2000 JRNL REFN ISSN 0021-9258 JRNL PMID 10960481 JRNL DOI 10.1074/JBC.M006351200 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.KAST,M.ASIF-ULLAH,N.JIANG,D.HILVERT REMARK 1 TITL EXPLORING THE ACTIVE SITE OF CHORISMATE MUTASE BY REMARK 1 TITL 2 COMBINATORIAL MUTAGENESIS AND SELECTION: THE IMPORTANCE OF REMARK 1 TITL 3 ELECTROSTATIC CATALYSIS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 93 5043 1996 REMARK 1 REFN ISSN 0027-8424 REMARK 1 DOI 10.1073/PNAS.93.10.5043 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.J.GUSTIN,P.MATTEI,P.KAST,O.WIEST,L.LEE,W.W.CLELAND, REMARK 1 AUTH 2 D.HILVERT REMARK 1 TITL HEAVY ATOM ISOTOPE EFFECTS REVEAL A HIGHLY POLARIZED REMARK 1 TITL 2 TRANSITION STATE FOR CHORISMATE MUTASE REMARK 1 REF J.AM.CHEM.SOC. V. 121 1756 1999 REMARK 1 REFN ISSN 0002-7863 REMARK 1 DOI 10.1021/JA9841759 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 7430 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : R-FREE REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.196 REMARK 3 FREE R VALUE : 0.221 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 419 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.99 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1018 REMARK 3 BIN R VALUE (WORKING SET) : 0.3160 REMARK 3 BIN FREE R VALUE : 0.3430 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 35 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 : 909 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 27 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.360 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.04 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.130 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1FNJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-SEP-00. REMARK 100 THE DEPOSITION ID IS D_1000011740. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-NOV-96 REMARK 200 TEMPERATURE (KELVIN) : 295.0 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 10748 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : 4.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06000 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 29.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.81 REMARK 200 COMPLETENESS FOR SHELL (%) : 82.1 REMARK 200 DATA REDUNDANCY IN SHELL : 2.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.06800 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMEN REMARK 200 SOFTWARE USED: AMORE, X-PLOR REMARK 200 STARTING MODEL: PDB# 2CHT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN SOLUTION: 10 MM TRIS-HCL, 2MM REMARK 280 DTT, 0.125 MM EDTA, RESERVOIR SOLUTION: 30% PEG 400, 50 MM TRIS- REMARK 280 HCL, 50 MM MAGNESIUM CHLORIDE, PH 7.0, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 295K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 41.30000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 23.84457 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 14.28100 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 41.30000 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 23.84457 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 14.28100 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 41.30000 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 23.84457 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 14.28100 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 47.68913 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 28.56200 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 47.68913 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 28.56200 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 47.68913 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 28.56200 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 6120 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 14900 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -43.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A 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 BIOMT1 2 -0.500000 -0.866025 0.000000 41.30000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 71.53370 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 -41.30000 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 71.53370 REMARK 350 BIOMT3 3 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 PRO A 117 REMARK 465 ASP A 118 REMARK 465 LEU A 119 REMARK 465 SER A 120 REMARK 465 LEU A 121 REMARK 465 THR A 122 REMARK 465 LYS A 123 REMARK 465 ASN A 124 REMARK 465 THR A 125 REMARK 465 GLU A 126 REMARK 465 LEU A 127 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 A 116 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 PRO A 100 CD PRO A 100 N -0.253 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 PRO A 51 7.10 -59.14 REMARK 500 GLU A 110 -140.88 56.05 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2CHT RELATED DB: PDB REMARK 900 2CHT CONTAINS THE COORDINATES OF THE WILD-TYPE PROTEIN. THIS FILE REMARK 900 WAS USED FOR MOLECULAR REPLACEMENT. REMARK 900 RELATED ID: 1FNK RELATED DB: PDB REMARK 900 C88K/R90S MUTANT DBREF 1FNJ A 1 127 UNP P19080 CHMU_BACSU 1 127 SEQADV 1FNJ CSO A 75 UNP P19080 CYS 75 MODIFIED RESIDUE SEQADV 1FNJ SER A 88 UNP P19080 CYS 88 ENGINEERED MUTATION SEQADV 1FNJ LYS A 90 UNP P19080 ARG 90 ENGINEERED MUTATION SEQRES 1 A 127 MET MET ILE ARG GLY ILE ARG GLY ALA THR THR VAL GLU SEQRES 2 A 127 ARG ASP THR GLU GLU GLU ILE LEU GLN LYS THR LYS GLN SEQRES 3 A 127 LEU LEU GLU LYS ILE ILE GLU GLU ASN HIS THR LYS PRO SEQRES 4 A 127 GLU ASP VAL VAL GLN MET LEU LEU SER ALA THR PRO ASP SEQRES 5 A 127 LEU HIS ALA VAL PHE PRO ALA LYS ALA VAL ARG GLU LEU SEQRES 6 A 127 SER GLY TRP GLN TYR VAL PRO VAL THR CSO MET GLN GLU SEQRES 7 A 127 MET ASP VAL THR GLY GLY LEU LYS LYS SER ILE LYS VAL SEQRES 8 A 127 MET MET THR VAL GLN THR ASP VAL PRO GLN ASP GLN ILE SEQRES 9 A 127 ARG HIS VAL TYR LEU GLU LYS ALA VAL VAL LEU ARG PRO SEQRES 10 A 127 ASP LEU SER LEU THR LYS ASN THR GLU LEU MODRES 1FNJ CSO A 75 CYS S-HYDROXYCYSTEINE HET CSO A 75 7 HETNAM CSO S-HYDROXYCYSTEINE FORMUL 1 CSO C3 H7 N O3 S FORMUL 2 HOH *27(H2 O) HELIX 1 1 THR A 16 HIS A 36 1 21 HELIX 2 2 LYS A 38 GLU A 40 5 3 HELIX 3 3 PHE A 57 LEU A 65 5 9 HELIX 4 4 PRO A 100 ILE A 104 5 5 HELIX 5 5 GLU A 110 ARG A 116 5 7 SHEET 1 A 5 VAL A 73 GLN A 77 0 SHEET 2 A 5 VAL A 42 ALA A 49 1 O MET A 45 N THR A 74 SHEET 3 A 5 SER A 88 GLN A 96 -1 N LYS A 90 O SER A 48 SHEET 4 A 5 ILE A 3 THR A 11 -1 N ARG A 4 O VAL A 95 SHEET 5 A 5 VAL A 107 TYR A 108 1 O VAL A 107 N ALA A 9 LINK C THR A 74 N CSO A 75 1555 1555 1.33 LINK C CSO A 75 N MET A 76 1555 1555 1.33 CRYST1 82.600 82.600 42.843 90.00 90.00 120.00 H 3 9 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 0.012106 0.006990 0.000000 0.00000 SCALE2 0.000000 0.013979 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023341 0.00000