HEADER ISOMERASE 20-MAR-20 6YDK TITLE SUBSTRATE-FREE P146A VARIANT OF BETA-PHOSPHOGLUCOMUTASE FROM TITLE 2 LACTOCOCCUS LACTIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-PHOSPHOGLUCOMUTASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: BETA-PGM; COMPND 5 EC: 5.4.2.6; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LACTOCOCCUS LACTIS SUBSP. LACTIS (STRAIN SOURCE 3 IL1403); SOURCE 4 ORGANISM_TAXID: 272623; SOURCE 5 STRAIN: IL1403; SOURCE 6 GENE: PGMB, LL0429, L0001; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS CIS-TRANS PROLINE ISOMERIZATION, ALLOMORPHY, PHOSPHORYL TRANSFER, KEYWDS 2 ENZYME REGULATION, ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR H.P.WOOD,F.A.CRUZ-NAVARRETE,N.J.BAXTER,C.R.TREVITT,A.J.ROBERTSON, AUTHOR 2 S.R.DIX,A.M.HOUNSLOW,M.J.CLIFF,J.P.WALTHO REVDAT 3 24-JAN-24 6YDK 1 REMARK REVDAT 2 18-NOV-20 6YDK 1 JRNL REVDAT 1 28-OCT-20 6YDK 0 JRNL AUTH H.P.WOOD,F.A.CRUZ-NAVARRETE,N.J.BAXTER,C.R.TREVITT, JRNL AUTH 2 A.J.ROBERTSON,S.R.DIX,A.M.HOUNSLOW,M.J.CLIFF,J.P.WALTHO JRNL TITL ALLOMORPHY AS A MECHANISM OF POST-TRANSLATIONAL CONTROL OF JRNL TITL 2 ENZYME ACTIVITY. JRNL REF NAT COMMUN V. 11 5538 2020 JRNL REFN ESSN 2041-1723 JRNL PMID 33139716 JRNL DOI 10.1038/S41467-020-19215-9 REMARK 2 REMARK 2 RESOLUTION. 2.02 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0155 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.02 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.95 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 14863 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 + TEST SET) : 0.217 REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.251 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 777 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.02 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.07 REMARK 3 REFLECTION IN BIN (WORKING SET) : 960 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.70 REMARK 3 BIN R VALUE (WORKING SET) : 0.3170 REMARK 3 BIN FREE R VALUE SET COUNT : 60 REMARK 3 BIN FREE R VALUE : 0.3160 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1706 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 34 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 32.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.71 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.27000 REMARK 3 B22 (A**2) : -0.36000 REMARK 3 B33 (A**2) : 0.63000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.210 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.178 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.143 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.417 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.937 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1742 ; 0.011 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 1709 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2357 ; 1.489 ; 1.977 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3947 ; 0.958 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 222 ; 6.164 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 78 ;41.886 ;25.769 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 313 ;15.025 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;22.923 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 267 ; 0.080 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1978 ; 0.006 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 363 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : NULL REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 6YDK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 21-MAR-20. REMARK 100 THE DEPOSITION ID IS D_1292107424. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-FEB-18 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I04 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97950 REMARK 200 MONOCHROMATOR : 0.97950 REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M-F REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XIA2 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15683 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.020 REMARK 200 RESOLUTION RANGE LOW (A) : 43.950 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.02 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.05 REMARK 200 COMPLETENESS FOR SHELL (%) : 88.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.70 REMARK 200 R MERGE FOR SHELL (I) : 0.95300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.200 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.6.1 REMARK 200 STARTING MODEL: 2WHE REMARK 200 REMARK 200 REMARK: THIN ROD SHAPED REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 87.21 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 9.62 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 4000 (24% W/V), SODIUM ACETATE REMARK 280 (200 MM), TRIS (100 MM), HEPES (50 MM), MAGNESIUM CHLORIDE (5 MM) REMARK 280 , EDTA (1 MM), SODIUM AZIDE (2 MM), BETA-PHOSPHOGLUCOMUTASE (0.5 REMARK 280 MM). SEEDED WITH 10,000X DILUTION OF MUCH SMALLER PROTEIN REMARK 280 CRYSTALS GROWN UNDER THE SAME CONDITIONS BUT WITH 0.2 MM BETA- REMARK 280 PHOSPHOGLUCOMUTASE., PH 7.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 26.65000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 38.83000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.12000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 38.83000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.65000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.12000 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 100 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11070 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 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 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 MET A 1 CG - SD - CE ANGL. DEV. = -12.3 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 LEU A 9 -71.68 -94.49 REMARK 500 VAL A 12 -63.68 -122.75 REMARK 500 ALA A 146 -0.38 64.12 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 301 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 8 OD2 REMARK 620 2 ASP A 10 O 95.9 REMARK 620 3 ASP A 170 OD1 106.3 99.4 REMARK 620 4 HOH A 410 O 87.9 175.9 80.9 REMARK 620 5 HOH A 419 O 83.4 94.5 162.0 84.5 REMARK 620 6 HOH A 422 O 165.1 91.2 85.3 84.7 83.0 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 301 DBREF 6YDK A 1 221 UNP P71447 PGMB_LACLA 1 221 SEQADV 6YDK ARG A 125 UNP P71447 LYS 125 ENGINEERED MUTATION SEQADV 6YDK ALA A 146 UNP P71447 PRO 146 ENGINEERED MUTATION SEQADV 6YDK HIS A 206 UNP P71447 TYR 206 ENGINEERED MUTATION SEQRES 1 A 221 MET PHE LYS ALA VAL LEU PHE ASP LEU ASP GLY VAL ILE SEQRES 2 A 221 THR ASP THR ALA GLU TYR HIS PHE ARG ALA TRP LYS ALA SEQRES 3 A 221 LEU ALA GLU GLU ILE GLY ILE ASN GLY VAL ASP ARG GLN SEQRES 4 A 221 PHE ASN GLU GLN LEU LYS GLY VAL SER ARG GLU ASP SER SEQRES 5 A 221 LEU GLN LYS ILE LEU ASP LEU ALA ASP LYS LYS VAL SER SEQRES 6 A 221 ALA GLU GLU PHE LYS GLU LEU ALA LYS ARG LYS ASN ASP SEQRES 7 A 221 ASN TYR VAL LYS MET ILE GLN ASP VAL SER PRO ALA ASP SEQRES 8 A 221 VAL TYR PRO GLY ILE LEU GLN LEU LEU LYS ASP LEU ARG SEQRES 9 A 221 SER ASN LYS ILE LYS ILE ALA LEU ALA SER ALA SER LYS SEQRES 10 A 221 ASN GLY PRO PHE LEU LEU GLU ARG MET ASN LEU THR GLY SEQRES 11 A 221 TYR PHE ASP ALA ILE ALA ASP PRO ALA GLU VAL ALA ALA SEQRES 12 A 221 SER LYS ALA ALA PRO ASP ILE PHE ILE ALA ALA ALA HIS SEQRES 13 A 221 ALA VAL GLY VAL ALA PRO SER GLU SER ILE GLY LEU GLU SEQRES 14 A 221 ASP SER GLN ALA GLY ILE GLN ALA ILE LYS ASP SER GLY SEQRES 15 A 221 ALA LEU PRO ILE GLY VAL GLY ARG PRO GLU ASP LEU GLY SEQRES 16 A 221 ASP ASP ILE VAL ILE VAL PRO ASP THR SER HIS TYR THR SEQRES 17 A 221 LEU GLU PHE LEU LYS GLU VAL TRP LEU GLN LYS GLN LYS HET MG A 301 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG MG 2+ FORMUL 3 HOH *34(H2 O) HELIX 1 AA1 THR A 16 GLY A 32 1 17 HELIX 2 AA2 ASP A 37 GLU A 42 1 6 HELIX 3 AA3 GLN A 43 LYS A 45 5 3 HELIX 4 AA4 SER A 48 LEU A 59 1 12 HELIX 5 AA5 SER A 65 ILE A 84 1 20 HELIX 6 AA6 GLN A 85 VAL A 87 5 3 HELIX 7 AA7 SER A 88 VAL A 92 5 5 HELIX 8 AA8 GLY A 95 ASN A 106 1 12 HELIX 9 AA9 ASN A 118 MET A 126 1 9 HELIX 10 AB1 LEU A 128 PHE A 132 5 5 HELIX 11 AB2 PRO A 148 VAL A 158 1 11 HELIX 12 AB3 ALA A 161 SER A 163 5 3 HELIX 13 AB4 SER A 171 GLY A 182 1 12 HELIX 14 AB5 ARG A 190 GLY A 195 1 6 HELIX 15 AB6 ASP A 203 TYR A 207 5 5 HELIX 16 AB7 THR A 208 LYS A 221 1 14 SHEET 1 AA1 6 ALA A 134 ILE A 135 0 SHEET 2 AA1 6 LYS A 109 LEU A 112 1 N LEU A 112 O ALA A 134 SHEET 3 AA1 6 ALA A 4 PHE A 7 1 N PHE A 7 O ALA A 111 SHEET 4 AA1 6 SER A 165 GLU A 169 1 O ILE A 166 N LEU A 6 SHEET 5 AA1 6 LEU A 184 VAL A 188 1 O LEU A 184 N SER A 165 SHEET 6 AA1 6 VAL A 199 VAL A 201 1 O VAL A 199 N GLY A 187 LINK OD2 ASP A 8 MG MG A 301 1555 1555 1.95 LINK O ASP A 10 MG MG A 301 1555 1555 2.00 LINK OD1 ASP A 170 MG MG A 301 1555 1555 2.18 LINK MG MG A 301 O HOH A 410 1555 1555 2.13 LINK MG MG A 301 O HOH A 419 1555 1555 2.23 LINK MG MG A 301 O HOH A 422 1555 1555 2.20 SITE 1 AC1 7 ASP A 8 ASP A 10 GLU A 169 ASP A 170 SITE 2 AC1 7 HOH A 410 HOH A 419 HOH A 422 CRYST1 53.300 56.240 77.660 90.00 90.00 90.00 P 21 21 21 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 0.018762 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017781 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012877 0.00000