PDB Short entry for 2ON8 HEADER PROTEIN BINDING 23-JAN-07 2ON8 TITLE GBETA1 STABILIZATION BY IN VITRO EVOLUTION AND COMPUTATIONAL DESIGN COMPND MOL_ID: 1; COMPND 2 MOLECULE: IMMUNOGLOBULIN G-BINDING PROTEIN G; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: IGG-BINDING PROTEIN G; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS SP.; SOURCE 3 ORGANISM_TAXID: 1324; SOURCE 4 STRAIN: G148; SOURCE 5 GENE: SPG; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET11A KEYWDS BETA SHEET, ALPHA HELIX, IMPROVED HYDROPHOBIC PACKING OF CORE KEYWDS 2 RESIDUES, PROTEIN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR K.E.A.MAX,U.HEINEMANN REVDAT 6 30-AUG-23 2ON8 1 REMARK REVDAT 5 20-OCT-21 2ON8 1 SEQADV REVDAT 4 18-OCT-17 2ON8 1 REMARK REVDAT 3 13-JUL-11 2ON8 1 VERSN REVDAT 2 24-FEB-09 2ON8 1 VERSN REVDAT 1 04-DEC-07 2ON8 0 JRNL AUTH M.WUNDERLICH,K.E.MAX,Y.ROSKE,U.MUELLER,U.HEINEMANN, JRNL AUTH 2 F.X.SCHMID JRNL TITL OPTIMIZATION OF THE GBETA1 DOMAIN BY COMPUTATIONAL DESIGN JRNL TITL 2 AND BY IN VITRO EVOLUTION: STRUCTURAL AND ENERGETIC BASIS OF JRNL TITL 3 STABILIZATION. JRNL REF J.MOL.BIOL. V. 373 775 2007 JRNL REFN ISSN 0022-2836 JRNL PMID 17868696 JRNL DOI 10.1016/J.JMB.2007.08.004 REMARK 2 REMARK 2 RESOLUTION. 1.35 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.35 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.4 REMARK 3 NUMBER OF REFLECTIONS : 12044 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) : 0.160 REMARK 3 R VALUE (WORKING SET) : 0.158 REMARK 3 FREE R VALUE : 0.195 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 635 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 15 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.35 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.40 REMARK 3 REFLECTION IN BIN (WORKING SET) : 758 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 60.53 REMARK 3 BIN R VALUE (WORKING SET) : 0.2250 REMARK 3 BIN FREE R VALUE SET COUNT : 35 REMARK 3 BIN FREE R VALUE : 0.1890 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 444 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 54 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.64 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.27000 REMARK 3 B22 (A**2) : 0.27000 REMARK 3 B33 (A**2) : -0.54000 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): 0.058 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.056 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.035 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.927 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.967 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.958 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 454 ; 0.026 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 395 ; 0.006 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 611 ; 2.434 ; 1.951 REMARK 3 BOND ANGLES OTHERS (DEGREES): 932 ; 2.462 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 55 ; 5.646 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 23 ;47.024 ;27.391 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 86 ;11.273 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 68 ; 0.122 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 504 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 83 ; 0.000 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 66 ; 0.224 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 365 ; 0.166 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 207 ; 0.194 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): 300 ; 0.106 ; 0.200 REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 33 ; 0.170 ; 0.200 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): 5 ; 0.570 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): 15 ; 0.132 ; 0.200 REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 10 ; 0.168 ; 0.200 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): 363 ; 4.339 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 118 ; 1.999 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 443 ; 4.937 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 211 ; 6.546 ; 4.500 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 168 ; 8.730 ; 6.000 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): 1037 ; 3.274 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 54 ;13.886 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 843 ; 6.953 ; 3.000 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 : BABINET MODEL WITH MASK 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: REMARK 3 HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. THE STRUCTURE REMARK 3 FACTORS ARE TWINNED. TWIN TYPE: PARTIAL MEROHEDRAL TWIN REMARK 3 TWIN FRACTION: 0.235 REMARK 3 TWINNING RELATIONSHIP RELATES REFLECTIONS WITH INDICES H,K,L TO H, REMARK 3 K,-L. AUTHORS ALSO STATE THAT THE STRUCTURE WAS REFINED USING A REMARK 3 COMBINATION OF ISOTROPIC REMARK 3 (ATOMIC) AND TLS REFINEMENT. THE WHOLE MOLECULE WAS DEFINED AS ONE REMARK 3 TLS REMARK 3 GROUP. THE ATOMIC B-VALUES ARE REPORTED AS ANISOTROPIC B-VALUES REMARK 3 WHICH WERE REMARK 3 CALCULATED BY COMBINING THE ISOTROPIC B-VALUES AND TLS PARAMETERS REMARK 3 USING REMARK 3 TLSANL PROGRAM FROM THE CCP4 SUITE. REMARK 4 REMARK 4 2ON8 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JAN-07. REMARK 100 THE DEPOSITION ID IS D_1000041345. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 07-MAR-06 REMARK 200 TEMPERATURE (KELVIN) : 110 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : BESSY REMARK 200 BEAMLINE : 14.1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.91841 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL MONOCHROMATOR (SI REMARK 200 -111 CRYSTAL) REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13293 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.340 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.6 REMARK 200 DATA REDUNDANCY : 7.100 REMARK 200 R MERGE (I) : 0.05300 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.34 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.39 REMARK 200 COMPLETENESS FOR SHELL (%) : 56.4 REMARK 200 DATA REDUNDANCY IN SHELL : 3.10 REMARK 200 R MERGE FOR SHELL (I) : 0.36500 REMARK 200 R SYM FOR SHELL (I) : 0.36500 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 1PGA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.77 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.45 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 50MM NA ACETATE, PH 5.0, 17 MG/ML REMARK 280 PROTEIN MIXED WITH EQUAL VOLUME OF 2.3M AMMONIUM SUPHATE, 0.1M REMARK 280 SODIUM ACETATE, PH 4.0, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 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 -Y,X,Z REMARK 290 4555 Y,-X,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 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 0.00000 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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 1 CHAIN(S). AUTHORS STATE THAT REMARK 300 THE BIOLOGICAL UNIT INFORMATION IS UNKNOWN FOR THIS REMARK 300 ISOLATED DOMAIN. 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: 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 GLU A 25 OE1 - CD - OE2 ANGL. DEV. = -9.0 DEGREES REMARK 500 ASP A 47 CB - CG - OD1 ANGL. DEV. = 8.3 DEGREES REMARK 500 ASP A 47 CB - CG - OD2 ANGL. DEV. = -9.4 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 ASN A 8 78.34 -115.97 REMARK 500 REMARK 500 REMARK: NULL REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PGA RELATED DB: PDB REMARK 900 TWO CRYSTAL STRUCTURES OF THE B1 IMMUNOGLOBULIN-BINDING DOMAIN OF REMARK 900 STREPTOCOCCAL PROTEIN G AND COMPARISON WITH NMR REMARK 900 RELATED ID: 1PGB RELATED DB: PDB REMARK 900 TWO CRYSTAL STRUCTURES OF THE B1 IMMUNOGLOBULIN-BINDING DOMAIN OF REMARK 900 STREPTOCOCCAL PROTEIN G AND COMPARISON WITH NMR REMARK 900 RELATED ID: 1GB4 RELATED DB: PDB REMARK 900 HYPERTHERMOPHILIC VARIANT OF THE B1 DOMAIN FROM STREPTOCOCCAL REMARK 900 PROTEIN G, NMR, 47 STRUCTURES REMARK 900 RELATED ID: 1FCC RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE C2 FRAGMENT OF STREPTOCOCCAL PROTEIN G IN REMARK 900 COMPLEX WITH THE FC DOMAIN OF HUMAN IGG REMARK 900 RELATED ID: 3GB1 RELATED DB: PDB REMARK 900 STRUCTURES OF B1 DOMAIN OF STREPTOCOCCAL PROTEIN G REMARK 900 RELATED ID: 1P7E RELATED DB: PDB REMARK 900 GB3 SOLUTION STRUCTURE OBTAINED BY REFINEMENT OF X-RAY STRUCTURE REMARK 900 WITH DIPOLAR COUPLINGS DBREF 2ON8 A 2 56 UNP P19909 SPG2_STRSG 373 427 SEQADV 2ON8 MET A 1 UNP P19909 INITIATING METHIONINE SEQADV 2ON8 GLN A 2 UNP P19909 THR 373 ENGINEERED MUTATION SEQADV 2ON8 PHE A 3 UNP P19909 TYR 374 ENGINEERED MUTATION SEQADV 2ON8 ILE A 6 UNP P19909 VAL 377 ENGINEERED MUTATION SEQADV 2ON8 ILE A 16 UNP P19909 THR 387 ENGINEERED MUTATION SEQADV 2ON8 LEU A 18 UNP P19909 THR 389 ENGINEERED MUTATION SEQADV 2ON8 GLU A 25 UNP P19909 THR 396 ENGINEERED MUTATION SEQADV 2ON8 LYS A 29 UNP P19909 VAL 400 ENGINEERED MUTATION SEQADV 2ON8 ILE A 39 UNP P19909 VAL 410 ENGINEERED MUTATION SEQRES 1 A 56 MET GLN PHE LYS LEU ILE ILE ASN GLY LYS THR LEU LYS SEQRES 2 A 56 GLY GLU ILE THR LEU GLU ALA VAL ASP ALA ALA GLU ALA SEQRES 3 A 56 GLU LYS LYS PHE LYS GLN TYR ALA ASN ASP ASN GLY ILE SEQRES 4 A 56 ASP GLY GLU TRP THR TYR ASP ASP ALA THR LYS THR PHE SEQRES 5 A 56 THR VAL THR GLU FORMUL 2 HOH *54(H2 O) HELIX 1 1 ASP A 22 ASN A 37 1 16 SHEET 1 A 4 LYS A 13 GLU A 19 0 SHEET 2 A 4 GLN A 2 ASN A 8 -1 N PHE A 3 O LEU A 18 SHEET 3 A 4 THR A 51 THR A 55 1 O PHE A 52 N LYS A 4 SHEET 4 A 4 GLU A 42 ASP A 46 -1 N ASP A 46 O THR A 51 CRYST1 52.104 52.104 22.765 90.00 90.00 90.00 P 4 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 0.019192 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019192 0.000000 0.00000 SCALE3 0.000000 0.000000 0.043927 0.00000