HEADER LYASE 01-SEP-04 1XCF TITLE CRYSTAL STRUCTURE OF P28L/Y173F TRYPTOPHAN SYNTHASE ALPHA-SUBUNITS TITLE 2 FROM ESCHERICHIA COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPTOPHAN SYNTHASE ALPHA CHAIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: TRYPTOPHAN SYNTHASE A-SUBUNITS; COMPND 5 EC: 4.2.1.20; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: 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; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: RB797; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PTACTRPAMK-M13 KEYWDS TRYPTOPHAN SYNTHASE, A-SUBUNITS, E.COLI, P28L/Y173F DOUBLE MUTANTS, KEYWDS 2 LYASE EXPDTA X-RAY DIFFRACTION AUTHOR S.B.JANG REVDAT 4 25-OCT-23 1XCF 1 REMARK REVDAT 3 10-NOV-21 1XCF 1 SEQADV REVDAT 2 24-FEB-09 1XCF 1 VERSN REVDAT 1 02-NOV-04 1XCF 0 JRNL AUTH M.S.JEONG,J.K.JEONG,W.K.LIM,S.B.JANG JRNL TITL STRUCTURES OF WILD-TYPE AND P28L/Y173F TRYPTOPHAN SYNTHASE JRNL TITL 2 ALPHA-SUBUNITS FROM ESCHERICHIA COLI JRNL REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 323 1257 2004 JRNL REFN ISSN 0006-291X JRNL PMID 15451433 JRNL DOI 10.1016/J.BBRC.2004.08.222 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH V.KULIK,M.WEYAND,R.SEIDEL,D.NIKS,D.ARAC,M.F.DUNN, REMARK 1 AUTH 2 I.SCHLICHTING REMARK 1 TITL ON THE ROLE OF ALPHATHR183 IN THE ALLOSTERIC REGULATION AND REMARK 1 TITL 2 CATALYTIC MECHANISM OF TRYPTOPHAN SYNTHASE REMARK 1 REF J.MOL.BIOL. V. 324 677 2002 REMARK 1 REFN ISSN 0022-2836 REMARK 1 PMID 12460570 REMARK 1 DOI 10.1016/S0022-2836(02)01109-9 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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) (%) : 90.1 REMARK 3 NUMBER OF REFLECTIONS : 44438 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.261 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 2231 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) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.86 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2610 REMARK 3 BIN FREE R VALUE : 0.2890 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 2231 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 : 3634 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 231 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.40 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) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 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 1XCF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-SEP-04. REMARK 100 THE DEPOSITION ID IS D_1000030200. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 26-NOV-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PAL/PLS REMARK 200 BEAMLINE : 6B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.12714 REMARK 200 MONOCHROMATOR : COPPER REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 48396 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.9 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 24.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.28900 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: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1K8X REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.52 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HEPES-NA, ISOPROPANOL, POLYETHYLENE REMARK 280 GLYCOL4000, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 26.34750 REMARK 290 SMTRY3 2 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: TETRAMERIC 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 69.23983 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 26.34750 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 71.49414 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 55 REMARK 465 ASP A 56 REMARK 465 PRO A 57 REMARK 465 LEU A 58 REMARK 465 ALA A 59 REMARK 465 ASP A 60 REMARK 465 GLY A 61 REMARK 465 PRO A 62 REMARK 465 THR A 63 REMARK 465 ILE A 64 REMARK 465 GLN A 65 REMARK 465 ASN A 66 REMARK 465 ALA A 67 REMARK 465 THR A 68 REMARK 465 LEU A 69 REMARK 465 ARG A 70 REMARK 465 ALA A 71 REMARK 465 PHE A 72 REMARK 465 ALA A 73 REMARK 465 ALA A 74 REMARK 465 GLY A 75 REMARK 465 GLY A 181 REMARK 465 VAL A 182 REMARK 465 THR A 183 REMARK 465 GLY A 184 REMARK 465 ALA A 185 REMARK 465 GLU A 186 REMARK 465 ASN A 187 REMARK 465 ARG A 188 REMARK 465 SER A 268 REMARK 465 SER B 55 REMARK 465 ASP B 56 REMARK 465 PRO B 57 REMARK 465 LEU B 58 REMARK 465 ALA B 59 REMARK 465 ASP B 60 REMARK 465 GLY B 61 REMARK 465 PRO B 62 REMARK 465 THR B 63 REMARK 465 ILE B 64 REMARK 465 GLN B 65 REMARK 465 ASN B 66 REMARK 465 ALA B 67 REMARK 465 THR B 68 REMARK 465 LEU B 69 REMARK 465 ARG B 70 REMARK 465 ALA B 71 REMARK 465 PHE B 72 REMARK 465 ALA B 73 REMARK 465 ALA B 74 REMARK 465 GLY B 75 REMARK 465 GLY B 181 REMARK 465 VAL B 182 REMARK 465 THR B 183 REMARK 465 GLY B 184 REMARK 465 ALA B 185 REMARK 465 GLU B 186 REMARK 465 ASN B 187 REMARK 465 ARG B 188 REMARK 465 SER B 268 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 27 -74.00 -73.71 REMARK 500 PRO A 53 153.89 -38.49 REMARK 500 ASN A 157 42.75 -100.97 REMARK 500 ARG A 179 -74.77 -54.22 REMARK 500 PHE A 212 -44.99 -133.04 REMARK 500 HIS A 244 -33.27 73.98 REMARK 500 ASP B 27 -75.75 -73.93 REMARK 500 PRO B 53 153.67 -38.16 REMARK 500 ASN B 157 43.98 -103.14 REMARK 500 ARG B 179 -75.92 -52.50 REMARK 500 PRO B 207 123.39 -39.81 REMARK 500 PHE B 212 -43.91 -134.30 REMARK 500 HIS B 244 -33.52 73.78 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1K8X RELATED DB: PDB REMARK 900 ON THE ROLE OF ATHR183 IN THE ALLOSTERIC REGULATION AND CATALYTIC REMARK 900 MECHANISM OF TRYPTOPHAN SYNTHASE REMARK 900 RELATED ID: 1XC4 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF WILD-TYPE TRYPTOPHAN SYNTHASE ALPHA-SUBUNITS REMARK 900 FROM ESCHERICHIA COLI DBREF 1XCF A 1 268 UNP P0A877 TRPA_ECOLI 1 268 DBREF 1XCF B 1 268 UNP P0A877 TRPA_ECOLI 1 268 SEQADV 1XCF LEU A 28 UNP P0A877 PRO 28 ENGINEERED MUTATION SEQADV 1XCF ILE A 87 UNP P0A877 LEU 87 CONFLICT SEQADV 1XCF GLU A 90 UNP P0A877 GLN 90 CONFLICT SEQADV 1XCF ARG A 117 UNP P0A877 GLN 117 CONFLICT SEQADV 1XCF PHE A 173 UNP P0A877 TYR 173 ENGINEERED MUTATION SEQADV 1XCF LEU B 28 UNP P0A877 PRO 28 ENGINEERED MUTATION SEQADV 1XCF ILE B 87 UNP P0A877 LEU 87 CONFLICT SEQADV 1XCF GLU B 90 UNP P0A877 GLN 90 CONFLICT SEQADV 1XCF ARG B 117 UNP P0A877 GLN 117 CONFLICT SEQADV 1XCF PHE B 173 UNP P0A877 TYR 173 ENGINEERED MUTATION SEQRES 1 A 268 MET GLU ARG TYR GLU SER LEU PHE ALA GLN LEU LYS GLU SEQRES 2 A 268 ARG LYS GLU GLY ALA PHE VAL PRO PHE VAL THR LEU GLY SEQRES 3 A 268 ASP LEU GLY ILE GLU GLN SER LEU LYS ILE ILE ASP THR SEQRES 4 A 268 LEU ILE GLU ALA GLY ALA ASP ALA LEU GLU LEU GLY ILE SEQRES 5 A 268 PRO PHE SER ASP PRO LEU ALA ASP GLY PRO THR ILE GLN SEQRES 6 A 268 ASN ALA THR LEU ARG ALA PHE ALA ALA GLY VAL THR PRO SEQRES 7 A 268 ALA GLN CYS PHE GLU MET LEU ALA ILE ILE ARG GLU LYS SEQRES 8 A 268 HIS PRO THR ILE PRO ILE GLY LEU LEU MET TYR ALA ASN SEQRES 9 A 268 LEU VAL PHE ASN LYS GLY ILE ASP GLU PHE TYR ALA ARG SEQRES 10 A 268 CYS GLU LYS VAL GLY VAL ASP SER VAL LEU VAL ALA ASP SEQRES 11 A 268 VAL PRO VAL GLU GLU SER ALA PRO PHE ARG GLN ALA ALA SEQRES 12 A 268 LEU ARG HIS ASN VAL ALA PRO ILE PHE ILE CYS PRO PRO SEQRES 13 A 268 ASN ALA ASP ASP ASP LEU LEU ARG GLN ILE ALA SER TYR SEQRES 14 A 268 GLY ARG GLY PHE THR TYR LEU LEU SER ARG ALA GLY VAL SEQRES 15 A 268 THR GLY ALA GLU ASN ARG ALA ALA LEU PRO LEU ASN HIS SEQRES 16 A 268 LEU VAL ALA LYS LEU LYS GLU TYR ASN ALA ALA PRO PRO SEQRES 17 A 268 LEU GLN GLY PHE GLY ILE SER ALA PRO ASP GLN VAL LYS SEQRES 18 A 268 ALA ALA ILE ASP ALA GLY ALA ALA GLY ALA ILE SER GLY SEQRES 19 A 268 SER ALA ILE VAL LYS ILE ILE GLU GLN HIS ILE ASN GLU SEQRES 20 A 268 PRO GLU LYS MET LEU ALA ALA LEU LYS VAL PHE VAL GLN SEQRES 21 A 268 PRO MET LYS ALA ALA THR ARG SER SEQRES 1 B 268 MET GLU ARG TYR GLU SER LEU PHE ALA GLN LEU LYS GLU SEQRES 2 B 268 ARG LYS GLU GLY ALA PHE VAL PRO PHE VAL THR LEU GLY SEQRES 3 B 268 ASP LEU GLY ILE GLU GLN SER LEU LYS ILE ILE ASP THR SEQRES 4 B 268 LEU ILE GLU ALA GLY ALA ASP ALA LEU GLU LEU GLY ILE SEQRES 5 B 268 PRO PHE SER ASP PRO LEU ALA ASP GLY PRO THR ILE GLN SEQRES 6 B 268 ASN ALA THR LEU ARG ALA PHE ALA ALA GLY VAL THR PRO SEQRES 7 B 268 ALA GLN CYS PHE GLU MET LEU ALA ILE ILE ARG GLU LYS SEQRES 8 B 268 HIS PRO THR ILE PRO ILE GLY LEU LEU MET TYR ALA ASN SEQRES 9 B 268 LEU VAL PHE ASN LYS GLY ILE ASP GLU PHE TYR ALA ARG SEQRES 10 B 268 CYS GLU LYS VAL GLY VAL ASP SER VAL LEU VAL ALA ASP SEQRES 11 B 268 VAL PRO VAL GLU GLU SER ALA PRO PHE ARG GLN ALA ALA SEQRES 12 B 268 LEU ARG HIS ASN VAL ALA PRO ILE PHE ILE CYS PRO PRO SEQRES 13 B 268 ASN ALA ASP ASP ASP LEU LEU ARG GLN ILE ALA SER TYR SEQRES 14 B 268 GLY ARG GLY PHE THR TYR LEU LEU SER ARG ALA GLY VAL SEQRES 15 B 268 THR GLY ALA GLU ASN ARG ALA ALA LEU PRO LEU ASN HIS SEQRES 16 B 268 LEU VAL ALA LYS LEU LYS GLU TYR ASN ALA ALA PRO PRO SEQRES 17 B 268 LEU GLN GLY PHE GLY ILE SER ALA PRO ASP GLN VAL LYS SEQRES 18 B 268 ALA ALA ILE ASP ALA GLY ALA ALA GLY ALA ILE SER GLY SEQRES 19 B 268 SER ALA ILE VAL LYS ILE ILE GLU GLN HIS ILE ASN GLU SEQRES 20 B 268 PRO GLU LYS MET LEU ALA ALA LEU LYS VAL PHE VAL GLN SEQRES 21 B 268 PRO MET LYS ALA ALA THR ARG SER FORMUL 3 HOH *231(H2 O) HELIX 1 1 GLU A 2 GLU A 13 1 12 HELIX 2 2 GLY A 29 GLY A 44 1 16 HELIX 3 3 THR A 77 HIS A 92 1 16 HELIX 4 4 TYR A 102 GLY A 110 1 9 HELIX 5 5 GLY A 110 GLY A 122 1 13 HELIX 6 6 PRO A 132 GLU A 135 5 4 HELIX 7 7 SER A 136 HIS A 146 1 11 HELIX 8 8 ASP A 159 GLY A 170 1 12 HELIX 9 9 PRO A 192 TYR A 203 1 12 HELIX 10 10 ALA A 216 ALA A 226 1 11 HELIX 11 11 SER A 235 GLN A 243 1 9 HELIX 12 12 GLU A 247 ALA A 265 1 19 HELIX 13 13 GLU B 2 GLU B 13 1 12 HELIX 14 14 GLY B 29 GLY B 44 1 16 HELIX 15 15 THR B 77 HIS B 92 1 16 HELIX 16 16 TYR B 102 GLY B 110 1 9 HELIX 17 17 GLY B 110 GLY B 122 1 13 HELIX 18 18 PRO B 132 GLU B 135 5 4 HELIX 19 19 SER B 136 HIS B 146 1 11 HELIX 20 20 ASP B 159 GLY B 170 1 12 HELIX 21 21 PRO B 192 TYR B 203 1 12 HELIX 22 22 ALA B 216 ALA B 226 1 11 HELIX 23 23 SER B 235 GLN B 243 1 9 HELIX 24 24 GLU B 247 ALA B 265 1 19 SHEET 1 A 9 ALA A 149 PRO A 150 0 SHEET 2 A 9 SER A 125 VAL A 128 1 N VAL A 126 O ALA A 149 SHEET 3 A 9 ILE A 97 MET A 101 1 N LEU A 99 O LEU A 127 SHEET 4 A 9 LEU A 48 GLY A 51 1 N LEU A 50 O GLY A 98 SHEET 5 A 9 ALA A 18 THR A 24 1 N VAL A 23 O GLY A 51 SHEET 6 A 9 GLY A 230 SER A 233 1 O ALA A 231 N VAL A 20 SHEET 7 A 9 PRO A 208 GLY A 211 1 N GLN A 210 O GLY A 230 SHEET 8 A 9 THR A 174 LEU A 176 1 N THR A 174 O LEU A 209 SHEET 9 A 9 ILE A 153 CYS A 154 1 N CYS A 154 O TYR A 175 SHEET 1 B 9 ALA B 149 PRO B 150 0 SHEET 2 B 9 SER B 125 VAL B 128 1 N VAL B 126 O ALA B 149 SHEET 3 B 9 ILE B 97 MET B 101 1 N LEU B 99 O LEU B 127 SHEET 4 B 9 LEU B 48 GLY B 51 1 N LEU B 50 O GLY B 98 SHEET 5 B 9 ALA B 18 THR B 24 1 N VAL B 23 O GLY B 51 SHEET 6 B 9 GLY B 230 SER B 233 1 O ALA B 231 N VAL B 20 SHEET 7 B 9 PRO B 208 GLY B 211 1 N GLN B 210 O GLY B 230 SHEET 8 B 9 THR B 174 LEU B 176 1 N THR B 174 O LEU B 209 SHEET 9 B 9 ILE B 153 CYS B 154 1 N CYS B 154 O TYR B 175 CRYST1 71.087 52.695 71.518 90.00 91.48 90.00 P 1 21 1 4 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 0.014067 0.000000 0.000363 0.00000 SCALE2 0.000000 0.018977 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013987 0.00000