HEADER ISOMERASE 11-JAN-04 1S2W TITLE CRYSTAL STRUCTURE OF PHOSPHOENOLPYRUVATE MUTASE IN HIGH IONIC STRENGTH COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOENOLPYRUVATE PHOSPHOMUTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHOENOLPYRUVATE MUTASE, PEP MUTASE, PEP PHOSPHOMUTASE; COMPND 5 EC: 5.4.2.9; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MYTILUS EDULIS; SOURCE 3 ORGANISM_TAXID: 6550; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET 3C KEYWDS PHOSPHONOPYRUVATE, PHOSPHONATE BIOSYNTHESIS PATHWAY, ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR S.LIU,Z.LU,Y.HAN,Y.JIA,A.HOWARD,D.DUNAWAY-MARIANO,O.HERZBERG REVDAT 4 23-AUG-23 1S2W 1 REMARK REVDAT 3 13-JUL-11 1S2W 1 VERSN REVDAT 2 24-FEB-09 1S2W 1 VERSN REVDAT 1 04-MAY-04 1S2W 0 JRNL AUTH S.LIU,Z.LU,Y.HAN,Y.JIA,A.HOWARD,D.DUNAWAY-MARIANO,O.HERZBERG JRNL TITL CONFORMATIONAL FLEXIBILITY OF PEP MUTASE JRNL REF BIOCHEMISTRY V. 43 4447 2004 JRNL REFN ISSN 0006-2960 JRNL PMID 15078090 JRNL DOI 10.1021/BI036255H REMARK 2 REMARK 2 RESOLUTION. 1.69 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) : 1.69 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 29.30 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) (%) : 88.2 REMARK 3 NUMBER OF REFLECTIONS : 32538 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) : 0.178 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 3231 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 : 2020 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 270 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) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.400 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 1S2W COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-JAN-04. REMARK 100 THE DEPOSITION ID IS D_1000021298. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 17-BM REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SI(111) DOUBLE-CRYSTAL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD 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 : 35608 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.690 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.5 REMARK 200 DATA REDUNDANCY : 6.470 REMARK 200 R MERGE (I) : 0.04300 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.69 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 86.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.25900 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: PDB ENTRY CODE 1PYM REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 50.13 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.47 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: (NH4)2SO4, HEPES, MGCL2, PH 7.0, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 314K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 36.40900 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.40900 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 38.31600 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 58.27800 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 38.31600 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 58.27800 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 36.40900 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 38.31600 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 58.27800 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 36.40900 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 38.31600 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 58.27800 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1 REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC REMARK 300 UNIT WHICH CONSISTS OF 1 CHAIN. THE BIOLOGICAL UNIT REMARK 300 CANNOT BE GENERATED FROM THIS CRYSTAL FORM. THE REMARK 300 BIOLOGICAL UNIT IS A TETRAMER, BUT THIS CRYSTAL FORM REMARK 300 CONTAINS ONLY DIMERS. 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 5830 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21470 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -61.0 KCAL/MOL 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 116.55600 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 72.81800 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 MET A 1 REMARK 465 SER A 2 REMARK 465 THR A 3 REMARK 465 GLY A 55 REMARK 465 VAL A 56 REMARK 465 ARG A 57 REMARK 465 ASP A 58 REMARK 465 SER A 59 REMARK 465 ASN A 60 REMARK 465 GLU A 61 REMARK 465 ALA A 62 REMARK 465 SER A 63 REMARK 465 PRO A 119 REMARK 465 LYS A 120 REMARK 465 THR A 121 REMARK 465 ASN A 122 REMARK 465 SER A 123 REMARK 465 LEU A 124 REMARK 465 HIS A 125 REMARK 465 ASP A 126 REMARK 465 GLN A 279 REMARK 465 ARG A 280 REMARK 465 ASP A 281 REMARK 465 ASP A 282 REMARK 465 GLU A 283 REMARK 465 LEU A 284 REMARK 465 VAL A 285 REMARK 465 GLN A 286 REMARK 465 ALA A 287 REMARK 465 GLU A 288 REMARK 465 ASP A 289 REMARK 465 LYS A 290 REMARK 465 TYR A 291 REMARK 465 LEU A 292 REMARK 465 PRO A 293 REMARK 465 LYS A 294 REMARK 465 ASN A 295 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 TRP A 64 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 480 TRP A 64 CZ3 CH2 REMARK 480 GLU A 69 CG CD OE1 OE2 REMARK 480 GLU A 72 CG CD OE1 OE2 REMARK 480 PHE A 73 CG CD1 CD2 CE1 CE2 CZ REMARK 480 LYS A 273 CD CE NZ REMARK 480 PHE A 276 CG CD1 CD2 CE1 CE2 CZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ALA A 238 N - CA - C ANGL. DEV. = 17.4 DEGREES 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 PRO A 216 20.58 -79.03 REMARK 500 ASN A 239 20.05 -157.18 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PYM RELATED DB: PDB REMARK 900 RELATED ID: 1M1B RELATED DB: PDB REMARK 900 RELATED ID: 1S2T RELATED DB: PDB REMARK 900 RELATED ID: 1S2U RELATED DB: PDB REMARK 900 RELATED ID: 1S2V RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE AUTHORS INFORMED THAT THEIR SEQUENCE IS CORRECT REMARK 999 AT THE POSITIONS WHERE IT CONFLICTS WITH THE SWISS REMARK 999 PROT SEQUENCE. DBREF 1S2W A 1 295 UNP P56839 PEPM_MYTED 1 295 SEQADV 1S2W MET A 14 UNP P56839 ALA 14 SEE REMARK 999 SEQADV 1S2W MET A 24 UNP P56839 ALA 24 SEE REMARK 999 SEQADV 1S2W MET A 74 UNP P56839 ALA 74 SEE REMARK 999 SEQADV 1S2W MET A 189 UNP P56839 ALA 189 SEE REMARK 999 SEQADV 1S2W MET A 203 UNP P56839 ALA 203 SEE REMARK 999 SEQADV 1S2W MET A 230 UNP P56839 ALA 230 SEE REMARK 999 SEQADV 1S2W MET A 234 UNP P56839 ALA 234 SEE REMARK 999 SEQRES 1 A 295 MET SER THR LYS VAL LYS LYS THR THR GLN LEU LYS GLN SEQRES 2 A 295 MET LEU ASN SER LYS ASP LEU GLU PHE ILE MET GLU ALA SEQRES 3 A 295 HIS ASN GLY LEU SER ALA ARG ILE VAL GLN GLU ALA GLY SEQRES 4 A 295 PHE LYS GLY ILE TRP GLY SER GLY LEU SER VAL SER ALA SEQRES 5 A 295 GLN LEU GLY VAL ARG ASP SER ASN GLU ALA SER TRP THR SEQRES 6 A 295 GLN VAL VAL GLU VAL LEU GLU PHE MET SER ASP ALA SER SEQRES 7 A 295 ASP VAL PRO ILE LEU LEU ASP ALA ASP THR GLY TYR GLY SEQRES 8 A 295 ASN PHE ASN ASN ALA ARG ARG LEU VAL ARG LYS LEU GLU SEQRES 9 A 295 ASP ARG GLY VAL ALA GLY ALA CYS LEU GLU ASP LYS LEU SEQRES 10 A 295 PHE PRO LYS THR ASN SER LEU HIS ASP GLY ARG ALA GLN SEQRES 11 A 295 PRO LEU ALA ASP ILE GLU GLU PHE ALA LEU LYS ILE LYS SEQRES 12 A 295 ALA CYS LYS ASP SER GLN THR ASP PRO ASP PHE CYS ILE SEQRES 13 A 295 VAL ALA ARG VAL GLU ALA PHE ILE ALA GLY TRP GLY LEU SEQRES 14 A 295 ASP GLU ALA LEU LYS ARG ALA GLU ALA TYR ARG ASN ALA SEQRES 15 A 295 GLY ALA ASP ALA ILE LEU MET HIS SER LYS LYS ALA ASP SEQRES 16 A 295 PRO SER ASP ILE GLU ALA PHE MET LYS ALA TRP ASN ASN SEQRES 17 A 295 GLN GLY PRO VAL VAL ILE VAL PRO THR LYS TYR TYR LYS SEQRES 18 A 295 THR PRO THR ASP HIS PHE ARG ASP MET GLY VAL SER MET SEQRES 19 A 295 VAL ILE TRP ALA ASN HIS ASN LEU ARG ALA SER VAL SER SEQRES 20 A 295 ALA ILE GLN GLN THR THR LYS GLN ILE TYR ASP ASP GLN SEQRES 21 A 295 SER LEU VAL ASN VAL GLU ASP LYS ILE VAL SER VAL LYS SEQRES 22 A 295 GLU ILE PHE ARG LEU GLN ARG ASP ASP GLU LEU VAL GLN SEQRES 23 A 295 ALA GLU ASP LYS TYR LEU PRO LYS ASN HET SO4 A 300 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *270(H2 O) HELIX 1 1 LYS A 6 SER A 17 1 12 HELIX 2 2 ASN A 28 GLY A 39 1 12 HELIX 3 3 GLY A 47 GLN A 53 1 7 HELIX 4 4 TRP A 64 ALA A 77 1 14 HELIX 5 5 ASN A 92 ARG A 106 1 15 HELIX 6 6 ASP A 134 GLN A 149 1 16 HELIX 7 7 GLY A 168 ALA A 182 1 15 HELIX 8 8 PRO A 196 ASN A 207 1 12 HELIX 9 9 PRO A 223 GLY A 231 1 9 HELIX 10 10 ASN A 239 GLN A 260 1 22 HELIX 11 11 VAL A 265 ILE A 269 5 5 HELIX 12 12 SER A 271 LEU A 278 1 8 SHEET 1 A 9 GLU A 21 ALA A 26 0 SHEET 2 A 9 ILE A 43 GLY A 45 1 O TRP A 44 N MET A 24 SHEET 3 A 9 ILE A 82 ASP A 85 1 O LEU A 83 N ILE A 43 SHEET 4 A 9 GLY A 110 GLU A 114 1 O CYS A 112 N LEU A 84 SHEET 5 A 9 CYS A 155 VAL A 160 1 O ARG A 159 N LEU A 113 SHEET 6 A 9 ALA A 186 MET A 189 1 O LEU A 188 N ALA A 158 SHEET 7 A 9 VAL A 212 ILE A 214 1 O VAL A 213 N ILE A 187 SHEET 8 A 9 MET A 234 TRP A 237 1 O ILE A 236 N ILE A 214 SHEET 9 A 9 GLU A 21 ALA A 26 1 N GLU A 21 O VAL A 235 SITE 1 AC1 6 LYS A 116 ARG A 159 HOH A 453 HOH A 559 SITE 2 AC1 6 HOH A 561 HOH A 562 CRYST1 76.632 116.556 72.818 90.00 90.00 90.00 C 2 2 21 8 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 0.013049 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008580 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013733 0.00000