HEADER LYASE 08-MAR-03 1OQF TITLE CRYSTAL STRUCTURE OF THE 2-METHYLISOCITRATE LYASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: 2-METHYLISOCITRATE LYASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 4.1.3.30; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 GENE: PRPB OR B0331; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 DE3 PLYS S; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET3C-PRPB KEYWDS STRUCTURAL GENOMICS, ALPHA-BETA BARREL, SWAPPED HELIX ACROSS A DIMER, KEYWDS 2 STRUCTURE 2 FUNCTION PROJECT, S2F, LYASE EXPDTA X-RAY DIFFRACTION AUTHOR S.LIU,Z.LU,D.DUNAWAY-MARIANO,O.HERZBERG,STRUCTURE 2 FUNCTION PROJECT AUTHOR 2 (S2F) REVDAT 5 14-FEB-24 1OQF 1 REMARK REVDAT 4 13-JUL-11 1OQF 1 VERSN REVDAT 3 24-FEB-09 1OQF 1 VERSN REVDAT 2 01-MAR-05 1OQF 1 JRNL REVDAT 1 27-APR-04 1OQF 0 JRNL AUTH S.LIU,Z.LU,Y.HAN,E.MELAMUD,D.DUNAWAY-MARIANO,O.HERZBERG JRNL TITL CRYSTAL STRUCTURES OF 2-METHYLISOCITRATE LYASE IN COMPLEX JRNL TITL 2 WITH PRODUCT AND WITH ISOCITRATE INHIBITOR PROVIDE INSIGHT JRNL TITL 3 INTO LYASE SUBSTRATE SPECIFICITY, CATALYSIS AND EVOLUTION. JRNL REF BIOCHEMISTRY V. 44 2949 2005 JRNL REFN ISSN 0006-2960 JRNL PMID 15723538 JRNL DOI 10.1021/BI0479712 REMARK 2 REMARK 2 RESOLUTION. 1.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 1.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 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) (%) : 91.9 REMARK 3 NUMBER OF REFLECTIONS : 46758 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) : 0.191 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2846 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 : 4411 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 648 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) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 1OQF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-MAR-03. REMARK 100 THE DEPOSITION ID IS D_1000018563. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-OCT-02 REMARK 200 TEMPERATURE (KELVIN) : 100 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 : SIEMENS REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : HARVARD MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 52853 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.860 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 93.1 REMARK 200 DATA REDUNDANCY : 4.350 REMARK 200 R MERGE (I) : 0.05600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 20.6600 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.86 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.93 REMARK 200 COMPLETENESS FOR SHELL (%) : 68.2 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.29000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.110 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR REMARK 200 SOFTWARE USED: SOLVE, RESOLVE, DM REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 52.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.59 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.6 M AMMONIUM SULFATE, 0.1M HEPES, PH REMARK 280 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K 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 111.24800 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 55.62400 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 55.62400 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 111.24800 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: 22550 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 39520 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -124.0 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 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 222.49600 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 ARG A 291 REMARK 465 SER A 292 REMARK 465 GLN A 293 REMARK 465 VAL A 294 REMARK 465 LYS A 295 REMARK 465 ARG B 291 REMARK 465 SER B 292 REMARK 465 GLN B 293 REMARK 465 VAL B 294 REMARK 465 LYS B 295 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 SER B 1 OG 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 ASP A 86 -122.52 49.89 REMARK 500 GLN A 203 52.31 -90.49 REMARK 500 HIS A 228 33.12 71.32 REMARK 500 ASP B 86 -120.89 48.09 REMARK 500 GLN B 203 49.72 -97.45 REMARK 500 ILE B 210 52.62 -91.53 REMARK 500 PHE B 213 45.03 -140.79 REMARK 500 PHE B 289 -139.34 -162.43 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: PRPB RELATED DB: TARGETDB DBREF 1OQF A 1 295 UNP P77541 PRPB_ECOLI 1 295 DBREF 1OQF B 1 295 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 FORMUL 3 HOH *648(H2 O) HELIX 1 1 SER A 4 GLU A 16 1 13 HELIX 2 2 ASN A 26 ALA A 36 1 11 HELIX 3 3 SER A 44 GLY A 51 1 8 HELIX 4 4 THR A 62 CYS A 77 1 16 HELIX 5 5 SER A 92 GLY A 107 1 16 HELIX 6 6 SER A 132 LYS A 147 1 16 HELIX 7 7 ASP A 159 ALA A 179 1 21 HELIX 8 8 GLU A 191 VAL A 202 1 12 HELIX 9 9 THR A 220 ALA A 227 1 8 HELIX 10 10 LEU A 236 GLY A 257 1 22 HELIX 11 11 GLN A 259 MET A 266 5 8 HELIX 12 12 THR A 268 ILE A 276 1 9 HELIX 13 13 TYR A 279 PHE A 289 1 11 HELIX 14 14 SER B 4 GLU B 16 1 13 HELIX 15 15 ASN B 26 ALA B 36 1 11 HELIX 16 16 SER B 44 GLY B 51 1 8 HELIX 17 17 THR B 62 CYS B 77 1 16 HELIX 18 18 SER B 92 GLY B 107 1 16 HELIX 19 19 SER B 132 LYS B 147 1 16 HELIX 20 20 ASP B 159 GLY B 165 1 7 HELIX 21 21 GLY B 165 ALA B 179 1 15 HELIX 22 22 GLU B 191 VAL B 202 1 12 HELIX 23 23 THR B 220 ALA B 227 1 8 HELIX 24 24 LEU B 236 GLY B 257 1 22 HELIX 25 25 GLN B 259 MET B 266 5 8 HELIX 26 26 THR B 268 ILE B 276 1 9 HELIX 27 27 TYR B 278 PHE B 289 1 12 SHEET 1 A 8 MET A 183 PRO A 186 0 SHEET 2 A 8 VAL A 153 THR A 158 1 N ALA A 156 O PHE A 185 SHEET 3 A 8 GLY A 110 GLU A 114 1 N LEU A 111 O MET A 155 SHEET 4 A 8 LEU A 81 ASP A 84 1 N VAL A 83 O GLY A 110 SHEET 5 A 8 ILE A 41 LEU A 43 1 N ILE A 41 O LEU A 82 SHEET 6 A 8 LEU A 19 GLY A 23 1 N VAL A 22 O TYR A 42 SHEET 7 A 8 MET A 231 TYR A 234 1 O ALA A 232 N ILE A 21 SHEET 8 A 8 LEU A 207 ASN A 209 1 N ALA A 208 O LEU A 233 SHEET 1 B 8 MET B 183 PRO B 186 0 SHEET 2 B 8 VAL B 153 THR B 158 1 N ALA B 156 O PHE B 185 SHEET 3 B 8 GLY B 110 GLU B 114 1 N LEU B 111 O MET B 155 SHEET 4 B 8 LEU B 81 ASP B 84 1 N VAL B 83 O GLY B 110 SHEET 5 B 8 ILE B 41 LEU B 43 1 N LEU B 43 O LEU B 82 SHEET 6 B 8 LEU B 19 GLY B 23 1 N VAL B 22 O TYR B 42 SHEET 7 B 8 MET B 231 TYR B 234 1 O ALA B 232 N ILE B 21 SHEET 8 B 8 LEU B 207 ASN B 209 1 N ALA B 208 O MET B 231 CISPEP 1 ASN A 17 PRO A 18 0 -0.74 CISPEP 2 ASN B 17 PRO B 18 0 0.14 CRYST1 83.036 83.036 166.872 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 0.012043 0.006953 0.000000 0.00000 SCALE2 0.000000 0.013906 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005993 0.00000