HEADER OXIDOREDUCTASE 01-SEP-99 1CZ3 TITLE DIHYDROFOLATE REDUCTASE FROM THERMOTOGA MARITIMA COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIHYDROFOLATE REDUCTASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 1.5.1.3; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMOTOGA MARITIMA; SOURCE 3 ORGANISM_TAXID: 2336; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_PLASMID: PTD(TRC) KEYWDS DIMER, HYPERTHERMOPHILE, OXIDOREDUCTASE EXPDTA X-RAY DIFFRACTION AUTHOR T.DAMS,G.AUERBACH,G.BADER,T.PLOOM,R.HUBER,R.JAENICKE REVDAT 3 07-FEB-24 1CZ3 1 REMARK REVDAT 2 24-FEB-09 1CZ3 1 VERSN REVDAT 1 31-MAR-00 1CZ3 0 JRNL AUTH T.DAMS,G.AUERBACH,G.BADER,U.JACOB,T.PLOOM,R.HUBER,R.JAENICKE JRNL TITL THE CRYSTAL STRUCTURE OF DIHYDROFOLATE REDUCTASE FROM JRNL TITL 2 THERMOTOGA MARITIMA: MOLECULAR FEATURES OF THERMOSTABILITY. JRNL REF J.MOL.BIOL. V. 297 659 2000 JRNL REFN ISSN 0022-2836 JRNL PMID 10731419 JRNL DOI 10.1006/JMBI.2000.3570 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) : 9.01 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1611838.040 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.1 REMARK 3 NUMBER OF REFLECTIONS : 18905 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) : 0.203 REMARK 3 FREE R VALUE : 0.255 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 913 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.008 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) (%) : 89.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2904 REMARK 3 BIN R VALUE (WORKING SET) : 0.2990 REMARK 3 BIN FREE R VALUE : 0.3610 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 132 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.031 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2685 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 204 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 27.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -6.14000 REMARK 3 B22 (A**2) : 11.94000 REMARK 3 B33 (A**2) : -5.81000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -3.77000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.30 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.37 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.010 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.860 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : OVERALL 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.32 REMARK 3 BSOL : 61.21 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.PA REMARK 3 PARAMETER FILE 2 : WATER_REP.PARA REMARK 3 PARAMETER FILE 3 : NDP.PAR REMARK 3 PARAMETER FILE 4 : MTX.PAR REMARK 3 PARAMETER FILE 5 : ION.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : NDP.TOP REMARK 3 TOPOLOGY FILE 4 : MTX.TOP REMARK 3 TOPOLOGY FILE 5 : ION.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CZ3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-SEP-99. REMARK 100 THE DEPOSITION ID IS D_1000009633. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-JUN-97 REMARK 200 TEMPERATURE (KELVIN) : 291 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) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19395 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 9.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.9 REMARK 200 DATA REDUNDANCY : 3.200 REMARK 200 R MERGE (I) : 0.13200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 8.9100 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) : 2.20 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.51700 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: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2 M (NH4)2SO4 25 MM TRIS/HCL 0.5 MM REMARK 280 EDTA, PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K 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 65.80250 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 18.02550 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 65.80250 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 18.02550 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: 3440 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16280 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 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 LYS A 165 REMARK 465 SER A 166 REMARK 465 HIS A 167 REMARK 465 ARG A 168 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 GLU A 20 CB CG CD OE1 OE2 REMARK 480 LYS A 33 CD CE NZ REMARK 480 GLU A 37 CD OE1 OE2 REMARK 480 ARG A 45 NE CZ NH1 NH2 REMARK 480 ARG A 53 CG CD NE CZ NH1 NH2 REMARK 480 ARG A 65 CB CG CD NE CZ NH1 NH2 REMARK 480 ARG A 66 CB CG CD NE CZ NH1 NH2 REMARK 480 LYS A 68 CB CG CD CE NZ REMARK 480 THR A 69 CB OG1 CG2 REMARK 480 ASN A 71 CB CG OD1 ND2 REMARK 480 ASN A 79 CG OD1 ND2 REMARK 480 LYS A 87 CD CE NZ REMARK 480 GLU A 108 CD OE1 OE2 REMARK 480 GLU A 112 CD OE1 OE2 REMARK 480 LYS A 129 CD CE NZ REMARK 480 LYS A 144 NZ REMARK 480 GLU A 153 CD OE1 OE2 REMARK 480 GLU B 20 CB CG CD OE1 OE2 REMARK 480 ARG B 65 CG CD NE CZ NH1 NH2 REMARK 480 ARG B 66 CB CG CD NE CZ NH1 NH2 REMARK 480 ASN B 79 CB CG OD1 ND2 REMARK 480 GLU B 95 CG CD OE1 OE2 REMARK 480 LYS B 129 CG CD CE NZ REMARK 480 GLU B 136 CB CG CD OE1 OE2 REMARK 480 LYS B 165 CB 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 A 101 N - CA - C ANGL. DEV. = 16.5 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 PRO A 124 66.12 -68.34 REMARK 500 GLU A 147 147.54 -170.27 REMARK 500 ASN B 71 55.94 -99.60 REMARK 500 VAL B 115 125.67 -170.23 REMARK 500 PRO B 124 69.30 -69.43 REMARK 500 ASP B 135 -82.51 -79.60 REMARK 500 GLU B 136 145.61 -173.23 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 200 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 300 DBREF 1CZ3 A 1 168 UNP Q60034 DYR_THEMA 2 169 DBREF 1CZ3 B 1 168 UNP Q60034 DYR_THEMA 2 169 SEQRES 1 A 168 ALA LYS VAL ILE PHE VAL LEU ALA MET ASP VAL SER GLY SEQRES 2 A 168 LYS ILE ALA SER SER VAL GLU SER TRP SER SER PHE GLU SEQRES 3 A 168 ASP ARG LYS ASN PHE ARG LYS ILE THR THR GLU ILE GLY SEQRES 4 A 168 ASN VAL VAL MET GLY ARG ILE THR PHE GLU GLU ILE GLY SEQRES 5 A 168 ARG PRO LEU PRO GLU ARG LEU ASN VAL VAL LEU THR ARG SEQRES 6 A 168 ARG PRO LYS THR SER ASN ASN PRO SER LEU VAL PHE PHE SEQRES 7 A 168 ASN GLY SER PRO ALA ASP VAL VAL LYS PHE LEU GLU GLY SEQRES 8 A 168 LYS GLY TYR GLU ARG VAL ALA VAL ILE GLY GLY LYS THR SEQRES 9 A 168 VAL PHE THR GLU PHE LEU ARG GLU LYS LEU VAL ASP GLU SEQRES 10 A 168 LEU PHE VAL THR VAL GLU PRO TYR VAL PHE GLY LYS GLY SEQRES 11 A 168 ILE PRO PHE PHE ASP GLU PHE GLU GLY TYR PHE PRO LEU SEQRES 12 A 168 LYS LEU LEU GLU MET ARG ARG LEU ASN GLU ARG GLY THR SEQRES 13 A 168 LEU PHE LEU LYS TYR SER VAL GLU LYS SER HIS ARG SEQRES 1 B 168 ALA LYS VAL ILE PHE VAL LEU ALA MET ASP VAL SER GLY SEQRES 2 B 168 LYS ILE ALA SER SER VAL GLU SER TRP SER SER PHE GLU SEQRES 3 B 168 ASP ARG LYS ASN PHE ARG LYS ILE THR THR GLU ILE GLY SEQRES 4 B 168 ASN VAL VAL MET GLY ARG ILE THR PHE GLU GLU ILE GLY SEQRES 5 B 168 ARG PRO LEU PRO GLU ARG LEU ASN VAL VAL LEU THR ARG SEQRES 6 B 168 ARG PRO LYS THR SER ASN ASN PRO SER LEU VAL PHE PHE SEQRES 7 B 168 ASN GLY SER PRO ALA ASP VAL VAL LYS PHE LEU GLU GLY SEQRES 8 B 168 LYS GLY TYR GLU ARG VAL ALA VAL ILE GLY GLY LYS THR SEQRES 9 B 168 VAL PHE THR GLU PHE LEU ARG GLU LYS LEU VAL ASP GLU SEQRES 10 B 168 LEU PHE VAL THR VAL GLU PRO TYR VAL PHE GLY LYS GLY SEQRES 11 B 168 ILE PRO PHE PHE ASP GLU PHE GLU GLY TYR PHE PRO LEU SEQRES 12 B 168 LYS LEU LEU GLU MET ARG ARG LEU ASN GLU ARG GLY THR SEQRES 13 B 168 LEU PHE LEU LYS TYR SER VAL GLU LYS SER HIS ARG HET SO4 A 200 5 HET SO4 B 300 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 2(O4 S 2-) FORMUL 5 HOH *204(H2 O) HELIX 1 1 SER A 24 GLY A 39 1 16 HELIX 2 2 ARG A 45 GLY A 52 1 8 HELIX 3 3 SER A 81 LYS A 92 1 12 HELIX 4 4 GLY A 102 GLU A 112 1 11 HELIX 5 5 SER B 24 GLY B 39 1 16 HELIX 6 6 ARG B 45 GLY B 52 1 8 HELIX 7 7 SER B 81 GLY B 91 1 11 HELIX 8 8 GLY B 102 GLU B 112 1 11 SHEET 1 A 9 LEU A 75 PHE A 78 0 SHEET 2 A 9 LEU A 59 LEU A 63 1 O ASN A 60 N VAL A 76 SHEET 3 A 9 ASN A 40 GLY A 44 1 O VAL A 41 N VAL A 61 SHEET 4 A 9 ARG A 96 GLY A 101 1 O ALA A 98 N VAL A 42 SHEET 5 A 9 LYS A 2 MET A 9 1 O LYS A 2 N VAL A 97 SHEET 6 A 9 GLU A 117 VAL A 122 1 O GLU A 117 N PHE A 5 SHEET 7 A 9 LEU A 157 VAL A 163 -1 O LEU A 157 N VAL A 122 SHEET 8 A 9 TYR A 140 ARG A 150 -1 O LYS A 144 N SER A 162 SHEET 9 A 9 TYR B 125 PHE B 127 -1 O VAL B 126 N PHE A 141 SHEET 1 B 2 LYS A 14 ALA A 16 0 SHEET 2 B 2 ILE A 131 PRO A 132 -1 O ILE A 131 N ILE A 15 SHEET 1 C 9 TYR A 125 PHE A 127 0 SHEET 2 C 9 TYR B 140 ARG B 150 -1 N PHE B 141 O VAL A 126 SHEET 3 C 9 LEU B 157 VAL B 163 -1 N PHE B 158 O ARG B 149 SHEET 4 C 9 GLU B 117 VAL B 122 -1 O LEU B 118 N TYR B 161 SHEET 5 C 9 LYS B 2 MET B 9 1 O VAL B 3 N GLU B 117 SHEET 6 C 9 ARG B 96 GLY B 101 1 O VAL B 97 N ILE B 4 SHEET 7 C 9 ASN B 40 GLY B 44 1 N VAL B 42 O ALA B 98 SHEET 8 C 9 LEU B 59 LEU B 63 1 O LEU B 59 N VAL B 41 SHEET 9 C 9 LEU B 75 PHE B 78 1 O VAL B 76 N VAL B 62 SHEET 1 D 2 LYS B 14 ALA B 16 0 SHEET 2 D 2 ILE B 131 PRO B 132 -1 O ILE B 131 N ILE B 15 SITE 1 AC1 9 GLY A 44 ILE A 46 THR A 47 GLY A 101 SITE 2 AC1 9 GLY A 102 LYS A 103 THR A 104 VAL A 105 SITE 3 AC1 9 HOH A 701 SITE 1 AC2 10 GLY B 44 ARG B 45 ILE B 46 THR B 47 SITE 2 AC2 10 GLY B 101 GLY B 102 LYS B 103 THR B 104 SITE 3 AC2 10 VAL B 105 HOH B 529 CRYST1 131.605 36.051 97.025 90.00 130.69 90.00 C 1 2 1 8 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 0.007598 0.000000 0.006534 0.00000 SCALE2 0.000000 0.027738 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013593 0.00000