HEADER SUGAR BINDING, METAL BINDING PROTEIN 02-MAY-05 1ZKB TITLE ZINC-FREE ENGINEERED MALTOSE BINDING PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: MALTOSE-BINDING PERIPLASMIC PROTEIN; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 27-396; COMPND 5 SYNONYM: MALTODEXTRIN-BINDING PROTEIN, MMBP; 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 GENE: MALE; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: HS3309; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PLH1 KEYWDS ENGINEERED MALTOSE BINDING PROTEIN, ZINC BINDING MUTANT, ABC KEYWDS 2 TRANSPORT, SUGAR BINDING, METAL BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.G.TELMER,B.H.SHILTON REVDAT 5 23-AUG-23 1ZKB 1 REMARK REVDAT 4 20-OCT-21 1ZKB 1 SEQADV REVDAT 3 11-OCT-17 1ZKB 1 REMARK REVDAT 2 24-FEB-09 1ZKB 1 VERSN REVDAT 1 20-DEC-05 1ZKB 0 JRNL AUTH P.G.TELMER,B.H.SHILTON JRNL TITL STRUCTURAL STUDIES OF AN ENGINEERED ZINC BIOSENSOR REVEAL AN JRNL TITL 2 UNANTICIPATED MODE OF ZINC BINDING. JRNL REF J.MOL.BIOL. V. 354 829 2005 JRNL REFN ISSN 0022-2836 JRNL PMID 16288781 JRNL DOI 10.1016/J.JMB.2005.10.016 REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 37.69 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.9 REMARK 3 NUMBER OF REFLECTIONS : 16641 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) : 0.244 REMARK 3 FREE R VALUE : 0.285 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1667 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.30 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1796 REMARK 3 BIN R VALUE (WORKING SET) : 0.2810 REMARK 3 BIN FREE R VALUE : 0.3250 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 204 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.023 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2873 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 194 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.75 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.15000 REMARK 3 B22 (A**2) : -3.84000 REMARK 3 B33 (A**2) : -1.31000 REMARK 3 B12 (A**2) : 3.68000 REMARK 3 B13 (A**2) : 1.58000 REMARK 3 B23 (A**2) : 1.69000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.25 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) : 0.38 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.38 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 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) : 1.250 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.850 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.030 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.850 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : CNS BULK SOLVENT MODEL USED REMARK 3 KSOL : 0.33 REMARK 3 BSOL : 21.20 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 : CARBOHYDRATE.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : CARBOHYDRATE.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ZKB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-MAY-05. REMARK 100 THE DEPOSITION ID IS D_1000032815. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-APR-05 REMARK 200 TEMPERATURE (KELVIN) : 105 REMARK 200 PH : 8.5 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : NULL 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 : 17048 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 4.700 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.70 REMARK 200 R MERGE FOR SHELL (I) : 0.12400 REMARK 200 R SYM FOR SHELL (I) : NULL 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 REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1OMP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.55 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 2000 MME, SODIUM ACETATE, TRIS REMARK 280 -HCL, SODIUM CHLORIDE, PH 8.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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: MONOMERIC 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 587 O HOH A 694 1655 2.09 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 ASP A 55 -166.75 -115.56 REMARK 500 ASP A 209 -166.73 -114.29 REMARK 500 TYR A 283 -51.55 -132.95 REMARK 500 LEU A 285 47.80 -77.82 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1ZIU RELATED DB: PDB REMARK 900 RELATED ID: 1ZJL RELATED DB: PDB DBREF 1ZKB A 1 370 UNP P02928 MALE_ECOLI 27 396 SEQADV 1ZKB HIS A 63 UNP P02928 ALA 89 ENGINEERED MUTATION SEQADV 1ZKB HIS A 66 UNP P02928 ARG 92 ENGINEERED MUTATION SEQADV 1ZKB MET A 111 UNP P02928 GLU 137 ENGINEERED MUTATION SEQADV 1ZKB GLU A 155 UNP P02928 TYR 181 ENGINEERED MUTATION SEQADV 1ZKB GLU A 340 UNP P02928 TRP 366 ENGINEERED MUTATION SEQRES 1 A 370 LYS ILE GLU GLU GLY LYS LEU VAL ILE TRP ILE ASN GLY SEQRES 2 A 370 ASP LYS GLY TYR ASN GLY LEU ALA GLU VAL GLY LYS LYS SEQRES 3 A 370 PHE GLU LYS ASP THR GLY ILE LYS VAL THR VAL GLU HIS SEQRES 4 A 370 PRO ASP LYS LEU GLU GLU LYS PHE PRO GLN VAL ALA ALA SEQRES 5 A 370 THR GLY ASP GLY PRO ASP ILE ILE PHE TRP HIS HIS ASP SEQRES 6 A 370 HIS PHE GLY GLY TYR ALA GLN SER GLY LEU LEU ALA GLU SEQRES 7 A 370 ILE THR PRO ASP LYS ALA PHE GLN ASP LYS LEU TYR PRO SEQRES 8 A 370 PHE THR TRP ASP ALA VAL ARG TYR ASN GLY LYS LEU ILE SEQRES 9 A 370 ALA TYR PRO ILE ALA VAL MET ALA LEU SER LEU ILE TYR SEQRES 10 A 370 ASN LYS ASP LEU LEU PRO ASN PRO PRO LYS THR TRP GLU SEQRES 11 A 370 GLU ILE PRO ALA LEU ASP LYS GLU LEU LYS ALA LYS GLY SEQRES 12 A 370 LYS SER ALA LEU MET PHE ASN LEU GLN GLU PRO GLU PHE SEQRES 13 A 370 THR TRP PRO LEU ILE ALA ALA ASP GLY GLY TYR ALA PHE SEQRES 14 A 370 LYS TYR GLU ASN GLY LYS TYR ASP ILE LYS ASP VAL GLY SEQRES 15 A 370 VAL ASP ASN ALA GLY ALA LYS ALA GLY LEU THR PHE LEU SEQRES 16 A 370 VAL ASP LEU ILE LYS ASN LYS HIS MET ASN ALA ASP THR SEQRES 17 A 370 ASP TYR SER ILE ALA GLU ALA ALA PHE ASN LYS GLY GLU SEQRES 18 A 370 THR ALA MET THR ILE ASN GLY PRO TRP ALA TRP SER ASN SEQRES 19 A 370 ILE ASP THR SER LYS VAL ASN TYR GLY VAL THR VAL LEU SEQRES 20 A 370 PRO THR PHE LYS GLY GLN PRO SER LYS PRO PHE VAL GLY SEQRES 21 A 370 VAL LEU SER ALA GLY ILE ASN ALA ALA SER PRO ASN LYS SEQRES 22 A 370 GLU LEU ALA LYS GLU PHE LEU GLU ASN TYR LEU LEU THR SEQRES 23 A 370 ASP GLU GLY LEU GLU ALA VAL ASN LYS ASP LYS PRO LEU SEQRES 24 A 370 GLY ALA VAL ALA LEU LYS SER TYR GLU GLU GLU LEU ALA SEQRES 25 A 370 LYS ASP PRO ARG ILE ALA ALA THR MET GLU ASN ALA GLN SEQRES 26 A 370 LYS GLY GLU ILE MET PRO ASN ILE PRO GLN MET SER ALA SEQRES 27 A 370 PHE GLU TYR ALA VAL ARG THR ALA VAL ILE ASN ALA ALA SEQRES 28 A 370 SER GLY ARG GLN THR VAL ASP GLU ALA LEU LYS ASP ALA SEQRES 29 A 370 GLN THR ARG ILE THR LYS FORMUL 2 HOH *194(H2 O) HELIX 1 1 GLY A 16 GLY A 32 1 17 HELIX 2 2 LYS A 42 THR A 53 1 12 HELIX 3 3 HIS A 66 SER A 73 1 8 HELIX 4 4 ASP A 82 ASP A 87 1 6 HELIX 5 5 TYR A 90 ASP A 95 1 6 HELIX 6 6 GLU A 131 ALA A 141 1 11 HELIX 7 7 GLU A 153 ASP A 164 1 12 HELIX 8 8 ASN A 185 ASN A 201 1 17 HELIX 9 9 ASP A 209 LYS A 219 1 11 HELIX 10 10 GLY A 228 TRP A 230 5 3 HELIX 11 11 ALA A 231 LYS A 239 1 9 HELIX 12 12 ASN A 272 TYR A 283 1 12 HELIX 13 13 THR A 286 LYS A 297 1 12 HELIX 14 14 LEU A 304 ALA A 312 1 9 HELIX 15 15 ASP A 314 LYS A 326 1 13 HELIX 16 16 GLN A 335 GLY A 353 1 19 HELIX 17 17 THR A 356 LYS A 370 1 15 SHEET 1 A 6 VAL A 35 GLU A 38 0 SHEET 2 A 6 LEU A 7 TRP A 10 1 N ILE A 9 O GLU A 38 SHEET 3 A 6 ILE A 59 HIS A 63 1 O PHE A 61 N TRP A 10 SHEET 4 A 6 PHE A 258 ILE A 266 -1 O GLY A 265 N ILE A 60 SHEET 5 A 6 TYR A 106 MET A 111 -1 N ILE A 108 O LEU A 262 SHEET 6 A 6 ALA A 301 VAL A 302 -1 O ALA A 301 N VAL A 110 SHEET 1 B 5 VAL A 35 GLU A 38 0 SHEET 2 B 5 LEU A 7 TRP A 10 1 N ILE A 9 O GLU A 38 SHEET 3 B 5 ILE A 59 HIS A 63 1 O PHE A 61 N TRP A 10 SHEET 4 B 5 PHE A 258 ILE A 266 -1 O GLY A 265 N ILE A 60 SHEET 5 B 5 GLU A 328 ILE A 329 1 O GLU A 328 N VAL A 259 SHEET 1 C 2 ARG A 98 TYR A 99 0 SHEET 2 C 2 LYS A 102 LEU A 103 -1 O LYS A 102 N TYR A 99 SHEET 1 D 4 SER A 145 LEU A 147 0 SHEET 2 D 4 THR A 222 ASN A 227 1 O ALA A 223 N SER A 145 SHEET 3 D 4 SER A 114 ASN A 118 -1 N ASN A 118 O ALA A 223 SHEET 4 D 4 TYR A 242 THR A 245 -1 O THR A 245 N LEU A 115 SHEET 1 E 2 LYS A 170 GLU A 172 0 SHEET 2 E 2 LYS A 175 ASP A 177 -1 O ASP A 177 N LYS A 170 SHEET 1 F 2 THR A 249 PHE A 250 0 SHEET 2 F 2 GLN A 253 PRO A 254 -1 O GLN A 253 N PHE A 250 CRYST1 37.580 44.010 57.350 100.25 101.74 102.16 P 1 1 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 0.026610 0.005734 0.007043 0.00000 SCALE2 0.000000 0.023244 0.005511 0.00000 SCALE3 0.000000 0.000000 0.018303 0.00000