HEADER HYDROLASE/DNA 18-DEC-03 1RXW TITLE CRYSTAL STRUCTURE OF A. FULGIDUS FEN-1 BOUND TO DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*C*PG*PA*PT*PG*PC*PT*PA)-3'; COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: 5'-D(*T*PA*PG*PC*PA*PT*PC*PG*PG)-3'; COMPND 7 CHAIN: C; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: FLAP STRUCTURE-SPECIFIC ENDONUCLEASE; COMPND 11 CHAIN: A; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SYNTHETIC UPSTREAM PRIMER STRAND; SOURCE 4 MOL_ID: 2; SOURCE 5 SYNTHETIC: YES; SOURCE 6 OTHER_DETAILS: SYNTHETIC UPSTREAM PRIMER STRAND; SOURCE 7 MOL_ID: 3; SOURCE 8 ORGANISM_SCIENTIFIC: ARCHAEOGLOBUS FULGIDUS; SOURCE 9 ORGANISM_TAXID: 2234; SOURCE 10 GENE: FEN, AF0264; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 12 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 13 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 14 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 15 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS HELICAL CLAMP, HELIX-3 TURN-HELIX, HYDROPHOBIC WEDGE, 3' FLAP BINDING KEYWDS 2 SITE, HYDROLASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.R.CHAPADOS,D.J.HOSFIELD,S.HAN,J.QIU,B.YELENT,B.SHEN,J.A.TAINER REVDAT 4 23-AUG-23 1RXW 1 REMARK REVDAT 3 16-NOV-11 1RXW 1 VERSN HETATM REVDAT 2 24-FEB-09 1RXW 1 VERSN REVDAT 1 27-JAN-04 1RXW 0 JRNL AUTH B.R.CHAPADOS,D.J.HOSFIELD,S.HAN,J.QIU,B.YELENT,B.SHEN, JRNL AUTH 2 J.A.TAINER JRNL TITL STRUCTURAL BASIS FOR FEN-1 SUBSTRATE SPECIFICITY AND JRNL TITL 2 PCNA-MEDIATED ACTIVATION IN DNA REPLICATION AND REPAIR JRNL REF CELL(CAMBRIDGE,MASS.) V. 116 39 2004 JRNL REFN ISSN 0092-8674 JRNL PMID 14718165 JRNL DOI 10.1016/S0092-8674(03)01036-5 REMARK 2 REMARK 2 RESOLUTION. 2.00 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) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.00 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) (%) : 93.3 REMARK 3 NUMBER OF REFLECTIONS : 26938 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) : 0.242 REMARK 3 FREE R VALUE : 0.278 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1313 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 : 2434 REMARK 3 NUCLEIC ACID ATOMS : 303 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 152 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.090 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 1RXW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 05-JAN-04. REMARK 100 THE DEPOSITION ID IS D_1000021129. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-SEP-99 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-BM-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.00 REMARK 200 MONOCHROMATOR : GE(111). CONICAL SI/RH MIRROR REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33233 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 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 (%) : 98.7 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05600 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) : 1.90 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.97 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.3 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.32200 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 1RXV REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000, AMMONIUM SULFATE, GLYCEROL, REMARK 280 PH 8, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 54.66500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 43.23800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 54.66500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 43.23800 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A MONOMER IN THE ASYMMETRIC UNIT. 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: TRIMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, 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 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A1117 LIES ON A SPECIAL POSITION. 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 DA B 8 REMARK 465 DT C 9 REMARK 465 MET A 1 REMARK 465 GLY A 2 REMARK 465 THR A 190 REMARK 465 GLY A 191 REMARK 465 LYS A 192 REMARK 465 ARG A 193 REMARK 465 LYS A 194 REMARK 465 LEU A 195 REMARK 465 PRO A 196 REMARK 465 GLY A 197 REMARK 465 LYS A 198 REMARK 465 ASN A 199 REMARK 465 VAL A 200 REMARK 465 TYR A 201 REMARK 465 VAL A 202 REMARK 465 ASN A 268 REMARK 465 ILE A 269 REMARK 465 ASP A 270 REMARK 465 HIS A 271 REMARK 465 LEU A 325 REMARK 465 LYS A 326 REMARK 465 SER A 327 REMARK 465 THR A 328 REMARK 465 GLN A 329 REMARK 465 ALA A 330 REMARK 465 THR A 331 REMARK 465 LEU A 332 REMARK 465 GLU A 333 REMARK 465 ARG A 334 REMARK 465 TRP A 335 REMARK 465 PHE A 336 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 DA C 8 P OP1 OP2 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 PHE A 86 1.60 -62.64 REMARK 500 SER A 150 -135.42 -139.68 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1RXV RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF SAME AFFEN-1:DNA COMPLEX IN SPACE GROUP P41212 REMARK 900 AT 2.5A RESOLUTION DBREF 1RXW A 1 336 UNP O29975 FEN_ARCFU 1 336 DBREF 1RXW B 15 8 PDB 1RXW 1RXW 15 8 DBREF 1RXW C 9 1 PDB 1RXW 1RXW 9 1 SEQRES 1 B 8 DC DG DA DT DG DC DT DA SEQRES 1 C 9 DT DA DG DC DA DT DC DG DG SEQRES 1 A 336 MET GLY ALA ASP ILE GLY ASP LEU PHE GLU ARG GLU GLU SEQRES 2 A 336 VAL GLU LEU GLU TYR PHE SER GLY LYS LYS ILE ALA VAL SEQRES 3 A 336 ASP ALA PHE ASN THR LEU TYR GLN PHE ILE SER ILE ILE SEQRES 4 A 336 ARG GLN PRO ASP GLY THR PRO LEU LYS ASP SER GLN GLY SEQRES 5 A 336 ARG ILE THR SER HIS LEU SER GLY ILE LEU TYR ARG VAL SEQRES 6 A 336 SER ASN MET VAL GLU VAL GLY ILE ARG PRO VAL PHE VAL SEQRES 7 A 336 PHE ASP GLY GLU PRO PRO GLU PHE LYS LYS ALA GLU ILE SEQRES 8 A 336 GLU GLU ARG LYS LYS ARG ARG ALA GLU ALA GLU GLU MET SEQRES 9 A 336 TRP ILE ALA ALA LEU GLN ALA GLY ASP LYS ASP ALA LYS SEQRES 10 A 336 LYS TYR ALA GLN ALA ALA GLY ARG VAL ASP GLU TYR ILE SEQRES 11 A 336 VAL ASP SER ALA LYS THR LEU LEU SER TYR MET GLY ILE SEQRES 12 A 336 PRO PHE VAL ASP ALA PRO SER GLU GLY GLU ALA GLN ALA SEQRES 13 A 336 ALA TYR MET ALA ALA LYS GLY ASP VAL GLU TYR THR GLY SEQRES 14 A 336 SER GLN ASP TYR ASP SER LEU LEU PHE GLY SER PRO ARG SEQRES 15 A 336 LEU ALA ARG ASN LEU ALA ILE THR GLY LYS ARG LYS LEU SEQRES 16 A 336 PRO GLY LYS ASN VAL TYR VAL ASP VAL LYS PRO GLU ILE SEQRES 17 A 336 ILE ILE LEU GLU SER ASN LEU LYS ARG LEU GLY LEU THR SEQRES 18 A 336 ARG GLU GLN LEU ILE ASP ILE ALA ILE LEU VAL GLY THR SEQRES 19 A 336 ASP TYR ASN GLU GLY VAL LYS GLY VAL GLY VAL LYS LYS SEQRES 20 A 336 ALA LEU ASN TYR ILE LYS THR TYR GLY ASP ILE PHE ARG SEQRES 21 A 336 ALA LEU LYS ALA LEU LYS VAL ASN ILE ASP HIS VAL GLU SEQRES 22 A 336 GLU ILE ARG ASN PHE PHE LEU ASN PRO PRO VAL THR ASP SEQRES 23 A 336 ASP TYR ARG ILE GLU PHE ARG GLU PRO ASP PHE GLU LYS SEQRES 24 A 336 ALA ILE GLU PHE LEU CYS GLU GLU HIS ASP PHE SER ARG SEQRES 25 A 336 GLU ARG VAL GLU LYS ALA LEU GLU LYS LEU LYS ALA LEU SEQRES 26 A 336 LYS SER THR GLN ALA THR LEU GLU ARG TRP PHE FORMUL 4 HOH *152(H2 O) HELIX 1 1 ASP A 4 PHE A 9 5 6 HELIX 2 2 GLU A 15 SER A 20 5 6 HELIX 3 3 ALA A 28 ILE A 39 1 12 HELIX 4 4 THR A 55 GLY A 72 1 18 HELIX 5 5 PRO A 84 PHE A 86 5 3 HELIX 6 6 LYS A 87 GLY A 112 1 26 HELIX 7 7 ASP A 115 GLY A 124 1 10 HELIX 8 8 ASP A 127 MET A 141 1 15 HELIX 9 9 GLU A 151 LYS A 162 1 12 HELIX 10 10 TYR A 173 PHE A 178 1 6 HELIX 11 11 LEU A 211 GLY A 219 1 9 HELIX 12 12 THR A 221 GLY A 233 1 13 HELIX 13 13 GLY A 244 GLY A 256 1 13 HELIX 14 14 ASP A 257 LYS A 266 1 10 HELIX 15 15 VAL A 272 ASN A 281 1 10 HELIX 16 16 ASP A 296 CYS A 305 1 10 HELIX 17 17 SER A 311 GLU A 320 1 10 HELIX 18 18 LYS A 321 LYS A 323 5 3 SHEET 1 A 7 GLU A 12 GLU A 13 0 SHEET 2 A 7 GLU A 207 ILE A 210 -1 O ILE A 208 N GLU A 12 SHEET 3 A 7 ARG A 182 ARG A 185 -1 N LEU A 183 O ILE A 209 SHEET 4 A 7 TYR A 167 GLY A 169 1 N THR A 168 O ALA A 184 SHEET 5 A 7 LYS A 23 ASP A 27 1 N ALA A 25 O TYR A 167 SHEET 6 A 7 ARG A 74 PHE A 79 1 O VAL A 78 N VAL A 26 SHEET 7 A 7 PHE A 145 ASP A 147 1 O VAL A 146 N PHE A 77 CRYST1 109.330 86.476 43.857 90.00 90.00 90.00 P 21 21 2 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 0.009147 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011564 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022801 0.00000