HEADER LYASE 24-SEP-02 1MUM TITLE STRUCTURE OF THE 2-METHYLISOCITRATE LYASE (PRPB) FROM ESCHERICHIA COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: 2-METHYLISOCITRATE LYASE; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: PRPB; COMPND 5 EC: 4.1.3.30; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 STRAIN: W3350; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: TOP10; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PQUE30-PRPB KEYWDS PRPB, LYASE, METHYLISOCITRATE, METHYLCITRATE CYCLE, TIM-BARREL EXPDTA X-RAY DIFFRACTION AUTHOR C.GRIMM,K.REUTER REVDAT 5 13-MAR-24 1MUM 1 REMARK LINK REVDAT 4 11-OCT-17 1MUM 1 REMARK REVDAT 3 13-JUL-11 1MUM 1 VERSN REVDAT 2 24-FEB-09 1MUM 1 VERSN REVDAT 1 29-APR-03 1MUM 0 JRNL AUTH C.GRIMM,A.EVERS,M.BROCK,C.MAERKER,G.KLEBE,W.BUCKEL,K.REUTER JRNL TITL CRYSTAL STRUCTURE OF 2-METHYLISOCITRATE LYASE (PRPB) FROM JRNL TITL 2 ESCHERICHIA COLI AND MODELLING OF ITS LIGAND BOUND ACTIVE JRNL TITL 3 CENTRE. JRNL REF J.MOL.BIOL. V. 328 609 2003 JRNL REFN ISSN 0022-2836 JRNL PMID 12706720 JRNL DOI 10.1016/S0022-2836(03)00358-9 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.35 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 489994.880 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 94.8 REMARK 3 NUMBER OF REFLECTIONS : 50253 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) : 0.213 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 3.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1508 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 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) : 1.90 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.02 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 89.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 7529 REMARK 3 BIN R VALUE (WORKING SET) : 0.2450 REMARK 3 BIN FREE R VALUE : 0.2750 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 3.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 242 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4400 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 356 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.65000 REMARK 3 B22 (A**2) : 2.65000 REMARK 3 B33 (A**2) : -5.30000 REMARK 3 B12 (A**2) : 2.53000 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) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.12 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) : 0.26 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.17 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 22.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.090 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) : 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 : 0.39 REMARK 3 BSOL : 47.12 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.PARAM REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MUM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-SEP-02. REMARK 100 THE DEPOSITION ID IS D_1000017195. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 05-FEB-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 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 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 : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : R-AXIS REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 52996 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 29.350 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.37000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR 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 (%): 52.19 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULPHATE, PH 8.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-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 110.83333 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 55.41667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 55.41667 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 110.83333 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 23140 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 38480 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -149.0 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 BIOMT1 2 -0.500000 0.866025 0.000000 124.34250 REMARK 350 BIOMT2 2 0.866025 0.500000 0.000000 -71.78918 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 -166.25000 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 SER A 2 REMARK 465 ARG A 292 REMARK 465 SER A 293 REMARK 465 GLN A 294 REMARK 465 VAL A 295 REMARK 465 LYS A 296 REMARK 465 SER B 2 REMARK 465 ARG B 292 REMARK 465 SER B 293 REMARK 465 GLN B 294 REMARK 465 VAL B 295 REMARK 465 LYS B 296 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 19 75.71 26.81 REMARK 500 ASP A 87 -118.64 48.07 REMARK 500 PHE A 90 73.22 48.87 REMARK 500 PRO B 19 76.97 34.57 REMARK 500 ASP B 87 -118.58 47.56 REMARK 500 LYS B 121 -52.80 75.28 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 MG A1001 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 87 OD1 REMARK 620 2 HOH A1006 O 78.5 REMARK 620 3 HOH A1031 O 77.4 82.6 REMARK 620 4 HOH A1044 O 158.8 87.5 85.1 REMARK 620 5 HOH A1076 O 99.0 89.1 171.4 96.6 REMARK 620 6 HOH A1093 O 80.1 158.5 94.8 113.6 92.2 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B1002 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 87 OD1 REMARK 620 2 HOH B1047 O 82.6 REMARK 620 3 HOH B1058 O 73.2 90.1 REMARK 620 4 HOH B1125 O 113.5 95.7 171.7 REMARK 620 5 HOH B1173 O 84.9 167.5 86.2 89.4 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 1001 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 1002 DBREF 1MUM A 2 296 UNP P77541 PRPB_ECOLI 1 295 DBREF 1MUM B 2 296 UNP P77541 PRPB_ECOLI 1 295 SEQRES 1 A 295 SER LEU HIS SER PRO GLY LYS ALA PHE ARG ALA ALA LEU SEQRES 2 A 295 THR LYS GLU ASN PRO LEU GLN ILE VAL GLY THR ILE ASN SEQRES 3 A 295 ALA ASN HIS ALA LEU LEU ALA GLN ARG ALA GLY TYR GLN SEQRES 4 A 295 ALA ILE TYR LEU SER GLY GLY GLY VAL ALA ALA GLY SER SEQRES 5 A 295 LEU GLY LEU PRO ASP LEU GLY ILE SER THR LEU ASP ASP SEQRES 6 A 295 VAL LEU THR ASP ILE ARG ARG ILE THR ASP VAL CYS SER SEQRES 7 A 295 LEU PRO LEU LEU VAL ASP ALA ASP ILE GLY PHE GLY SER SEQRES 8 A 295 SER ALA PHE ASN VAL ALA ARG THR VAL LYS SER MET ILE SEQRES 9 A 295 LYS ALA GLY ALA ALA GLY LEU HIS ILE GLU ASP GLN VAL SEQRES 10 A 295 GLY ALA LYS ARG CYS GLY HIS ARG PRO ASN LYS ALA ILE SEQRES 11 A 295 VAL SER LYS GLU GLU MET VAL ASP ARG ILE ARG ALA ALA SEQRES 12 A 295 VAL ASP ALA LYS THR ASP PRO ASP PHE VAL ILE MET ALA SEQRES 13 A 295 ARG THR ASP ALA LEU ALA VAL GLU GLY LEU ASP ALA ALA SEQRES 14 A 295 ILE GLU ARG ALA GLN ALA TYR VAL GLU ALA GLY ALA GLU SEQRES 15 A 295 MET LEU PHE PRO GLU ALA ILE THR GLU LEU ALA MET TYR SEQRES 16 A 295 ARG GLN PHE ALA ASP ALA VAL GLN VAL PRO ILE LEU ALA SEQRES 17 A 295 ASN ILE THR GLU PHE GLY ALA THR PRO LEU PHE THR THR SEQRES 18 A 295 ASP GLU LEU ARG SER ALA HIS VAL ALA MET ALA LEU TYR SEQRES 19 A 295 PRO LEU SER ALA PHE ARG ALA MET ASN ARG ALA ALA GLU SEQRES 20 A 295 HIS VAL TYR ASN VAL LEU ARG GLN GLU GLY THR GLN LYS SEQRES 21 A 295 SER VAL ILE ASP THR MET GLN THR ARG ASN GLU LEU TYR SEQRES 22 A 295 GLU SER ILE ASN TYR TYR GLN TYR GLU GLU LYS LEU ASP SEQRES 23 A 295 ASN LEU PHE ALA ARG SER GLN VAL LYS SEQRES 1 B 295 SER LEU HIS SER PRO GLY LYS ALA PHE ARG ALA ALA LEU SEQRES 2 B 295 THR LYS GLU ASN PRO LEU GLN ILE VAL GLY THR ILE ASN SEQRES 3 B 295 ALA ASN HIS ALA LEU LEU ALA GLN ARG ALA GLY TYR GLN SEQRES 4 B 295 ALA ILE TYR LEU SER GLY GLY GLY VAL ALA ALA GLY SER SEQRES 5 B 295 LEU GLY LEU PRO ASP LEU GLY ILE SER THR LEU ASP ASP SEQRES 6 B 295 VAL LEU THR ASP ILE ARG ARG ILE THR ASP VAL CYS SER SEQRES 7 B 295 LEU PRO LEU LEU VAL ASP ALA ASP ILE GLY PHE GLY SER SEQRES 8 B 295 SER ALA PHE ASN VAL ALA ARG THR VAL LYS SER MET ILE SEQRES 9 B 295 LYS ALA GLY ALA ALA GLY LEU HIS ILE GLU ASP GLN VAL SEQRES 10 B 295 GLY ALA LYS ARG CYS GLY HIS ARG PRO ASN LYS ALA ILE SEQRES 11 B 295 VAL SER LYS GLU GLU MET VAL ASP ARG ILE ARG ALA ALA SEQRES 12 B 295 VAL ASP ALA LYS THR ASP PRO ASP PHE VAL ILE MET ALA SEQRES 13 B 295 ARG THR ASP ALA LEU ALA VAL GLU GLY LEU ASP ALA ALA SEQRES 14 B 295 ILE GLU ARG ALA GLN ALA TYR VAL GLU ALA GLY ALA GLU SEQRES 15 B 295 MET LEU PHE PRO GLU ALA ILE THR GLU LEU ALA MET TYR SEQRES 16 B 295 ARG GLN PHE ALA ASP ALA VAL GLN VAL PRO ILE LEU ALA SEQRES 17 B 295 ASN ILE THR GLU PHE GLY ALA THR PRO LEU PHE THR THR SEQRES 18 B 295 ASP GLU LEU ARG SER ALA HIS VAL ALA MET ALA LEU TYR SEQRES 19 B 295 PRO LEU SER ALA PHE ARG ALA MET ASN ARG ALA ALA GLU SEQRES 20 B 295 HIS VAL TYR ASN VAL LEU ARG GLN GLU GLY THR GLN LYS SEQRES 21 B 295 SER VAL ILE ASP THR MET GLN THR ARG ASN GLU LEU TYR SEQRES 22 B 295 GLU SER ILE ASN TYR TYR GLN TYR GLU GLU LYS LEU ASP SEQRES 23 B 295 ASN LEU PHE ALA ARG SER GLN VAL LYS HET MG A1001 1 HET MG B1002 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *356(H2 O) HELIX 1 1 SER A 5 GLU A 17 1 13 HELIX 2 2 ASN A 27 ALA A 37 1 11 HELIX 3 3 SER A 45 GLY A 52 1 8 HELIX 4 4 THR A 63 CYS A 78 1 16 HELIX 5 5 SER A 93 ALA A 107 1 15 HELIX 6 6 SER A 133 ALA A 147 1 15 HELIX 7 7 ALA A 161 GLY A 166 1 6 HELIX 8 8 GLY A 166 ALA A 180 1 15 HELIX 9 9 GLU A 192 GLN A 204 1 13 HELIX 10 10 THR A 221 ALA A 228 1 8 HELIX 11 11 LEU A 237 GLY A 258 1 22 HELIX 12 12 GLN A 260 MET A 267 5 8 HELIX 13 13 THR A 269 ILE A 277 1 9 HELIX 14 14 TYR A 279 PHE A 290 1 12 HELIX 15 15 SER B 5 GLU B 17 1 13 HELIX 16 16 ASN B 27 ALA B 37 1 11 HELIX 17 17 SER B 45 GLY B 52 1 8 HELIX 18 18 THR B 63 CYS B 78 1 16 HELIX 19 19 SER B 93 GLY B 108 1 16 HELIX 20 20 SER B 133 LYS B 148 1 16 HELIX 21 21 ASP B 160 GLY B 166 1 7 HELIX 22 22 GLY B 166 ALA B 180 1 15 HELIX 23 23 GLU B 192 GLN B 204 1 13 HELIX 24 24 THR B 221 ALA B 228 1 8 HELIX 25 25 LEU B 237 GLY B 258 1 22 HELIX 26 26 GLN B 260 MET B 267 5 8 HELIX 27 27 THR B 269 ILE B 277 1 9 HELIX 28 28 TYR B 279 PHE B 290 1 12 SHEET 1 A 8 MET A 184 PRO A 187 0 SHEET 2 A 8 VAL A 154 THR A 159 1 N ALA A 157 O PHE A 186 SHEET 3 A 8 GLY A 111 GLU A 115 1 N LEU A 112 O MET A 156 SHEET 4 A 8 LEU A 82 ASP A 85 1 N VAL A 84 O GLY A 111 SHEET 5 A 8 ILE A 42 LEU A 44 1 N ILE A 42 O LEU A 83 SHEET 6 A 8 LEU A 20 GLY A 24 1 N VAL A 23 O TYR A 43 SHEET 7 A 8 MET A 232 TYR A 235 1 O ALA A 233 N ILE A 22 SHEET 8 A 8 LEU A 208 ASN A 210 1 N ALA A 209 O LEU A 234 SHEET 1 B 8 MET B 184 PRO B 187 0 SHEET 2 B 8 VAL B 154 THR B 159 1 N ALA B 157 O PHE B 186 SHEET 3 B 8 GLY B 111 GLU B 115 1 N LEU B 112 O MET B 156 SHEET 4 B 8 LEU B 82 ASP B 85 1 N VAL B 84 O GLY B 111 SHEET 5 B 8 ILE B 42 LEU B 44 1 N ILE B 42 O LEU B 83 SHEET 6 B 8 LEU B 20 GLY B 24 1 N VAL B 23 O TYR B 43 SHEET 7 B 8 MET B 232 TYR B 235 1 O ALA B 233 N ILE B 22 SHEET 8 B 8 LEU B 208 ASN B 210 1 N ALA B 209 O LEU B 234 LINK OD1 ASP A 87 MG MG A1001 1555 1555 2.31 LINK MG MG A1001 O HOH A1006 1555 1555 2.56 LINK MG MG A1001 O HOH A1031 1555 1555 2.27 LINK MG MG A1001 O HOH A1044 1555 1555 2.07 LINK MG MG A1001 O HOH A1076 1555 1555 2.14 LINK MG MG A1001 O HOH A1093 1555 1555 2.22 LINK OD1 ASP B 87 MG MG B1002 1555 1555 2.15 LINK MG MG B1002 O HOH B1047 1555 1555 2.35 LINK MG MG B1002 O HOH B1058 1555 1555 2.27 LINK MG MG B1002 O HOH B1125 1555 1555 2.19 LINK MG MG B1002 O HOH B1173 1555 1555 2.34 SITE 1 AC1 7 ASP A 58 ASP A 87 HOH A1006 HOH A1031 SITE 2 AC1 7 HOH A1044 HOH A1076 HOH A1093 SITE 1 AC2 6 ASP B 58 ASP B 87 HOH B1047 HOH B1058 SITE 2 AC2 6 HOH B1125 HOH B1173 CRYST1 82.895 82.895 166.250 90.00 90.00 120.00 P 32 2 1 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 0.012063 0.006965 0.000000 0.00000 SCALE2 0.000000 0.013930 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006015 0.00000