HEADER HYDROLASE 26-DEC-97 1HUK TITLE REFINED STRUCTURE OF YEAST INORGANIC PYROPHOSPHATASE AND ITS K61R TITLE 2 MUTANT COMPND MOL_ID: 1; COMPND 2 MOLECULE: INORGANIC PYROPHOSPHATASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.6.1.1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HYDROLASE, MAGNESIUM EXPDTA X-RAY DIFFRACTION AUTHOR K.SWAMINATHAN,B.S.COOPERMAN,R.LAHTI,D.VOET REVDAT 4 22-MAY-24 1HUK 1 REMARK REVDAT 3 09-AUG-23 1HUK 1 REMARK LINK REVDAT 2 24-FEB-09 1HUK 1 VERSN REVDAT 1 08-APR-98 1HUK 0 JRNL AUTH K.SWAMINATHAN,B.S.COOPERMAN,R.LAHTI,D.VOET JRNL TITL REFINED STRUCTURE OF YEAST INORGANIC PYROPHOSPHATASE AND ITS JRNL TITL 2 K61R MUTANT JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 85.1 REMARK 3 NUMBER OF REFLECTIONS : 27238 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) : 0.193 REMARK 3 FREE R VALUE : 0.288 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 2704 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.33 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 27.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1311 REMARK 3 BIN R VALUE (WORKING SET) : 0.2440 REMARK 3 BIN FREE R VALUE : 0.3520 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 11.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 166 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.027 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4492 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 311 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.50 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) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.21 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) : 0.35 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.009 REMARK 3 BOND ANGLES (DEGREES) : 1.100 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.180 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.140 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.620 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.100 ; 2.500 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: BULK SOLVENT CORRECTION APPLIED REMARK 4 REMARK 4 1HUK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000174029. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-MAR-95 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MSC/YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28288 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.230 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 91.7 REMARK 200 DATA REDUNDANCY : 2.700 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.04400 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: LOW RESOLUTION STRUCTURE (PDB ENTRY 1PYP) REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.60 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZATION CONDITIONS: 10 MG/ML REMARK 280 PROTEIN IN 0.1 M MES (PH 6.5) BUFFER. 10 MICROLITER DROPS IN 9 REMARK 280 WELL DEPRESSION PLATE IN A PLASTIC SANDWICH BOX CONTAINING 15 REMARK 280 MILLILITER OF 0.1 M MES(PH 6.5) + 16 % MPD. EVERY ALTERNATE DAY, REMARK 280 MPD CONCENTRATION INCREASED BY 1 % UNTIL FINAL CONCENTRATION REMARK 280 REACHED 25 %. 4 DEGREE C. WITHIN 15 DAYS, 0.2 X 0.3 X 0.4 MM REMARK 280 CRYSTALS., MICROLITER DROPS, TEMPERATURE 277K 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 46.53000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 2210 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23360 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -36.0 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 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 LYS A 233 CB - CA - C ANGL. DEV. = -13.6 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 TYR A 2 -66.88 -106.31 REMARK 500 ASP A 236 102.32 -170.84 REMARK 500 SER A 254 99.79 -169.21 REMARK 500 SER A 265 49.93 -141.11 REMARK 500 TYR B 2 -69.46 -123.12 REMARK 500 LYS B 111 83.60 -47.46 REMARK 500 ALA B 112 142.70 -176.41 REMARK 500 ASN B 169 -35.76 -136.19 REMARK 500 PHE B 205 26.36 48.83 REMARK 500 ASP B 236 104.37 -167.26 REMARK 500 SER B 254 88.78 -174.33 REMARK 500 LEU B 266 45.95 -102.72 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 15 0.07 SIDE CHAIN REMARK 500 ARG A 51 0.09 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 282 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 115 OD2 REMARK 620 2 ASP A 120 OD2 167.9 REMARK 620 3 ASP A 152 OD1 85.1 83.2 REMARK 620 4 ASP A 152 OD2 71.0 102.0 43.6 REMARK 620 5 HOH A 283 O 97.1 95.0 171.4 129.4 REMARK 620 6 HOH A 284 O 88.5 89.2 92.4 131.2 95.9 REMARK 620 7 HOH A 285 O 103.0 80.9 94.7 59.8 76.8 167.0 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG B 282 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP B 115 OD2 REMARK 620 2 ASP B 120 OD2 153.2 REMARK 620 3 ASP B 152 OD1 80.3 74.4 REMARK 620 4 HOH B 285 O 110.5 82.9 136.7 REMARK 620 5 HOH B 286 O 75.3 129.4 133.1 89.7 REMARK 620 6 HOH B 287 O 86.3 75.8 67.5 71.5 147.3 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 282 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 282 DBREF 1HUK A 1 281 UNP P00817 IPYR_YEAST 1 281 DBREF 1HUK B 1 281 UNP P00817 IPYR_YEAST 1 281 SEQRES 1 A 281 THR TYR THR THR ARG GLN ILE GLY ALA LYS ASN THR LEU SEQRES 2 A 281 GLU TYR LYS VAL TYR ILE GLU LYS ASP GLY LYS PRO VAL SEQRES 3 A 281 SER ALA PHE HIS ASP ILE PRO LEU TYR ALA ASP LYS GLU SEQRES 4 A 281 ASN ASN ILE PHE ASN MET VAL VAL GLU ILE PRO ARG TRP SEQRES 5 A 281 THR ASN ALA LYS LEU GLU ILE THR LYS GLU GLU THR LEU SEQRES 6 A 281 ASN PRO ILE ILE GLN ASP THR LYS LYS GLY LYS LEU ARG SEQRES 7 A 281 PHE VAL ARG ASN CYS PHE PRO HIS HIS GLY TYR ILE HIS SEQRES 8 A 281 ASN TYR GLY ALA PHE PRO GLN THR TRP GLU ASP PRO ASN SEQRES 9 A 281 VAL SER HIS PRO GLU THR LYS ALA VAL GLY ASP ASN ASP SEQRES 10 A 281 PRO ILE ASP VAL LEU GLU ILE GLY GLU THR ILE ALA TYR SEQRES 11 A 281 THR GLY GLN VAL LYS GLN VAL LYS ALA LEU GLY ILE MET SEQRES 12 A 281 ALA LEU LEU ASP GLU GLY GLU THR ASP TRP LYS VAL ILE SEQRES 13 A 281 ALA ILE ASP ILE ASN ASP PRO LEU ALA PRO LYS LEU ASN SEQRES 14 A 281 ASP ILE GLU ASP VAL GLU LYS TYR PHE PRO GLY LEU LEU SEQRES 15 A 281 ARG ALA THR ASN GLU TRP PHE ARG ILE TYR LYS ILE PRO SEQRES 16 A 281 ASP GLY LYS PRO GLU ASN GLN PHE ALA PHE SER GLY GLU SEQRES 17 A 281 ALA LYS ASN LYS LYS TYR ALA LEU ASP ILE ILE LYS GLU SEQRES 18 A 281 THR HIS ASP SER TRP LYS GLN LEU ILE ALA GLY LYS SER SEQRES 19 A 281 SER ASP SER LYS GLY ILE ASP LEU THR ASN VAL THR LEU SEQRES 20 A 281 PRO ASP THR PRO THR TYR SER LYS ALA ALA SER ASP ALA SEQRES 21 A 281 ILE PRO PRO ALA SER LEU LYS ALA ASP ALA PRO ILE ASP SEQRES 22 A 281 LYS SER ILE ASP LYS TRP PHE PHE SEQRES 1 B 281 THR TYR THR THR ARG GLN ILE GLY ALA LYS ASN THR LEU SEQRES 2 B 281 GLU TYR LYS VAL TYR ILE GLU LYS ASP GLY LYS PRO VAL SEQRES 3 B 281 SER ALA PHE HIS ASP ILE PRO LEU TYR ALA ASP LYS GLU SEQRES 4 B 281 ASN ASN ILE PHE ASN MET VAL VAL GLU ILE PRO ARG TRP SEQRES 5 B 281 THR ASN ALA LYS LEU GLU ILE THR LYS GLU GLU THR LEU SEQRES 6 B 281 ASN PRO ILE ILE GLN ASP THR LYS LYS GLY LYS LEU ARG SEQRES 7 B 281 PHE VAL ARG ASN CYS PHE PRO HIS HIS GLY TYR ILE HIS SEQRES 8 B 281 ASN TYR GLY ALA PHE PRO GLN THR TRP GLU ASP PRO ASN SEQRES 9 B 281 VAL SER HIS PRO GLU THR LYS ALA VAL GLY ASP ASN ASP SEQRES 10 B 281 PRO ILE ASP VAL LEU GLU ILE GLY GLU THR ILE ALA TYR SEQRES 11 B 281 THR GLY GLN VAL LYS GLN VAL LYS ALA LEU GLY ILE MET SEQRES 12 B 281 ALA LEU LEU ASP GLU GLY GLU THR ASP TRP LYS VAL ILE SEQRES 13 B 281 ALA ILE ASP ILE ASN ASP PRO LEU ALA PRO LYS LEU ASN SEQRES 14 B 281 ASP ILE GLU ASP VAL GLU LYS TYR PHE PRO GLY LEU LEU SEQRES 15 B 281 ARG ALA THR ASN GLU TRP PHE ARG ILE TYR LYS ILE PRO SEQRES 16 B 281 ASP GLY LYS PRO GLU ASN GLN PHE ALA PHE SER GLY GLU SEQRES 17 B 281 ALA LYS ASN LYS LYS TYR ALA LEU ASP ILE ILE LYS GLU SEQRES 18 B 281 THR HIS ASP SER TRP LYS GLN LEU ILE ALA GLY LYS SER SEQRES 19 B 281 SER ASP SER LYS GLY ILE ASP LEU THR ASN VAL THR LEU SEQRES 20 B 281 PRO ASP THR PRO THR TYR SER LYS ALA ALA SER ASP ALA SEQRES 21 B 281 ILE PRO PRO ALA SER LEU LYS ALA ASP ALA PRO ILE ASP SEQRES 22 B 281 LYS SER ILE ASP LYS TRP PHE PHE HET MG A 282 1 HET MG B 282 1 HETNAM MG MAGNESIUM ION FORMUL 3 MG 2(MG 2+) FORMUL 5 HOH *311(H2 O) HELIX 1 1 ASP A 147 GLY A 149 5 3 HELIX 2 2 ALA A 165 LYS A 167 5 3 HELIX 3 3 ILE A 171 TYR A 177 1 7 HELIX 4 4 LEU A 181 ILE A 191 1 11 HELIX 5 5 ILE A 194 ASP A 196 5 3 HELIX 6 6 ALA A 204 GLY A 207 5 4 HELIX 7 7 LYS A 212 ILE A 230 1 19 HELIX 8 8 LYS A 255 ALA A 260 5 6 HELIX 9 9 LYS A 274 ASP A 277 5 4 HELIX 10 10 LYS B 38 ASN B 40 5 3 HELIX 11 11 ALA B 165 LYS B 167 5 3 HELIX 12 12 ILE B 171 TYR B 177 1 7 HELIX 13 13 LEU B 181 ILE B 191 1 11 HELIX 14 14 ILE B 194 ASP B 196 5 3 HELIX 15 15 PHE B 205 GLY B 207 5 3 HELIX 16 16 LYS B 212 ILE B 230 1 19 HELIX 17 17 LYS B 255 ALA B 260 1 6 HELIX 18 18 LYS B 274 ASP B 277 5 4 SHEET 1 A 4 SER A 265 LYS A 267 0 SHEET 2 A 4 THR A 3 ALA A 9 1 N GLY A 8 O SER A 265 SHEET 3 A 4 LYS A 16 LYS A 21 -1 N GLU A 20 O THR A 3 SHEET 4 A 4 LYS A 24 VAL A 26 -1 N VAL A 26 O ILE A 19 SHEET 1 B 6 VAL A 134 LYS A 138 0 SHEET 2 B 6 ILE A 42 ILE A 49 -1 N MET A 45 O LYS A 135 SHEET 3 B 6 ASN A 92 PHE A 96 -1 N ALA A 95 O VAL A 46 SHEET 4 B 6 ASP A 120 GLU A 123 -1 N GLU A 123 O ASN A 92 SHEET 5 B 6 LYS A 154 ASP A 159 1 N VAL A 155 O ASP A 120 SHEET 6 B 6 VAL A 137 MET A 143 -1 N MET A 143 O LYS A 154 SHEET 1 C 2 LEU A 57 ILE A 59 0 SHEET 2 C 2 ILE A 68 GLN A 70 -1 N ILE A 69 O GLU A 58 SHEET 1 D 2 THR B 3 ILE B 7 0 SHEET 2 D 2 LYS B 16 GLU B 20 -1 N GLU B 20 O THR B 3 SHEET 1 E 6 VAL B 134 LYS B 138 0 SHEET 2 E 6 ILE B 42 ILE B 49 -1 N MET B 45 O LYS B 135 SHEET 3 E 6 ASN B 92 PHE B 96 -1 N ALA B 95 O VAL B 46 SHEET 4 E 6 ASP B 120 GLU B 123 -1 N GLU B 123 O ASN B 92 SHEET 5 E 6 ASP B 152 ASP B 159 1 N VAL B 155 O ASP B 120 SHEET 6 E 6 VAL B 137 LEU B 145 -1 N LEU B 145 O ASP B 152 SHEET 1 F 2 LEU B 57 ILE B 59 0 SHEET 2 F 2 ILE B 68 GLN B 70 -1 N ILE B 69 O GLU B 58 LINK OD2 ASP A 115 MG MG A 282 1555 1555 2.17 LINK OD2 ASP A 120 MG MG A 282 1555 1555 2.10 LINK OD1 ASP A 152 MG MG A 282 1555 1555 2.11 LINK OD2 ASP A 152 MG MG A 282 1555 1555 3.14 LINK MG MG A 282 O HOH A 283 1555 1555 1.68 LINK MG MG A 282 O HOH A 284 1555 1555 1.64 LINK MG MG A 282 O HOH A 285 1555 1555 2.73 LINK OD2 ASP B 115 MG MG B 282 1555 1555 2.66 LINK OD2 ASP B 120 MG MG B 282 1555 1555 2.60 LINK OD1 ASP B 152 MG MG B 282 1555 1555 2.59 LINK MG MG B 282 O HOH B 285 1555 1555 2.62 LINK MG MG B 282 O HOH B 286 1555 1555 1.62 LINK MG MG B 282 O HOH B 287 1555 1555 1.67 CISPEP 1 PHE A 84 PRO A 85 0 4.63 CISPEP 2 PHE B 84 PRO B 85 0 -0.17 SITE 1 AC1 6 ASP A 115 ASP A 120 ASP A 152 HOH A 283 SITE 2 AC1 6 HOH A 284 HOH A 285 SITE 1 AC2 6 ASP B 115 ASP B 120 ASP B 152 HOH B 285 SITE 2 AC2 6 HOH B 286 HOH B 287 CRYST1 69.090 93.060 51.580 90.00 99.62 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 0.014474 0.000000 0.002453 0.00000 SCALE2 0.000000 0.010746 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019664 0.00000