HEADER PROTEIN BINDING 26-APR-10 3MP9 TITLE STRUCTURE OF STREPTOCOCCAL PROTEIN G B1 DOMAIN AT PH 3.0 COMPND MOL_ID: 1; COMPND 2 MOLECULE: IMMUNOGLOBULIN G-BINDING PROTEIN G; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: B1 DOMAIN (UNP RESIDUES 227-282); COMPND 5 SYNONYM: IGG-BINDING PROTEIN G; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS SP. 'GROUP G'; SOURCE 3 ORGANISM_TAXID: 1320; SOURCE 4 GENE: SPG; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 DE3 PLYSS; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS PROTEIN G, IGG-BINDING PROTEIN, PROTEIN BINDING EXPDTA X-RAY DIFFRACTION AUTHOR J.H.TOMLINSON,V.L.GREEN,P.J.BAKER,M.P.WILLIAMSON REVDAT 2 06-SEP-23 3MP9 1 REMARK SEQADV REVDAT 1 23-FEB-11 3MP9 0 JRNL AUTH J.H.TOMLINSON,V.L.GREEN,P.J.BAKER,M.P.WILLIAMSON JRNL TITL STRUCTURAL ORIGINS OF PH-DEPENDENT CHEMICAL SHIFTS IN THE B1 JRNL TITL 2 DOMAIN OF PROTEIN G. JRNL REF PROTEINS V. 78 3000 2010 JRNL REFN ISSN 0887-3585 JRNL PMID 20715051 JRNL DOI 10.1002/PROT.22825 REMARK 2 REMARK 2 RESOLUTION. 1.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 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) : 1.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.15 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 3 NUMBER OF REFLECTIONS : 27757 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) : 0.150 REMARK 3 R VALUE (WORKING SET) : 0.148 REMARK 3 FREE R VALUE : 0.181 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1452 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) : 1.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.23 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1479 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 68.81 REMARK 3 BIN R VALUE (WORKING SET) : 0.2280 REMARK 3 BIN FREE R VALUE SET COUNT : 74 REMARK 3 BIN FREE R VALUE : 0.2380 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 958 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 87 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 12.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.57 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.36000 REMARK 3 B22 (A**2) : 0.36000 REMARK 3 B33 (A**2) : -0.53000 REMARK 3 B12 (A**2) : 0.18000 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): 0.045 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.044 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.027 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.340 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.976 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.965 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1012 ; 0.010 ; 0.021 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1382 ; 1.215 ; 1.919 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 130 ; 6.366 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 50 ;29.984 ;26.400 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 168 ;11.520 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 162 ; 0.078 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 768 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 411 ; 0.197 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 695 ; 0.303 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 60 ; 0.138 ; 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): 98 ; 0.174 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 24 ; 0.137 ; 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): 627 ;12.104 ; 2.000 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1005 ;14.040 ; 3.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 430 ;30.701 ; 2.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 372 ;33.536 ; 3.000 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): 1057 ;23.658 ; 3.000 REMARK 3 SPHERICITY; FREE ATOMS (A**2): 96 ;29.082 ; 3.000 REMARK 3 SPHERICITY; BONDED ATOMS (A**2): 991 ;23.118 ; 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 : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 REMARK 4 REMARK 4 3MP9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 27-APR-10. REMARK 100 THE DEPOSITION ID IS D_1000058828. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-MAR-09 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 3.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I02 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : DUAL CRYSTAL SI 111 REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 27757 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.200 REMARK 200 RESOLUTION RANGE LOW (A) : 30.150 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 3.700 REMARK 200 R MERGE (I) : 0.04100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 18.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.26 REMARK 200 COMPLETENESS FOR SHELL (%) : 75.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.31000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.800 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 (%): 29.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS GROWN IN 3.8M SODIUM FORMATE, REMARK 280 8% ISOPROPANOL, 50MM SODIUM CITRATE, PH 5.5. CRYSTALS THEN REMARK 280 SOAKED IN 3.8M SODIUM FORMATE, 8% ISOPROPANOL, 50MM SODIUM REMARK 280 CITRATE PH 3.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 47.85867 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 23.92933 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1810 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7070 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 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 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 2 -0.500000 -0.866025 0.000000 -17.40500 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 30.14634 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 -23.92933 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 HIS A 1 REMARK 465 HIS A 2 REMARK 465 HIS A 3 REMARK 465 HIS B 1 REMARK 465 HIS B 2 REMARK 465 HIS B 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT A 65 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT B 65 DBREF 3MP9 A 9 64 UNP P06654 SPG1_STRSG 227 282 DBREF 3MP9 B 9 64 UNP P06654 SPG1_STRSG 227 282 SEQADV 3MP9 HIS A 1 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS A 2 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS A 3 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS A 4 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS A 5 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS A 6 UNP P06654 EXPRESSION TAG SEQADV 3MP9 ALA A 7 UNP P06654 EXPRESSION TAG SEQADV 3MP9 MET A 8 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS B 1 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS B 2 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS B 3 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS B 4 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS B 5 UNP P06654 EXPRESSION TAG SEQADV 3MP9 HIS B 6 UNP P06654 EXPRESSION TAG SEQADV 3MP9 ALA B 7 UNP P06654 EXPRESSION TAG SEQADV 3MP9 MET B 8 UNP P06654 EXPRESSION TAG SEQRES 1 A 64 HIS HIS HIS HIS HIS HIS ALA MET ASP THR TYR LYS LEU SEQRES 2 A 64 ILE LEU ASN GLY LYS THR LEU LYS GLY GLU THR THR THR SEQRES 3 A 64 GLU ALA VAL ASP ALA ALA THR ALA GLU LYS VAL PHE LYS SEQRES 4 A 64 GLN TYR ALA ASN ASP ASN GLY VAL ASP GLY GLU TRP THR SEQRES 5 A 64 TYR ASP ASP ALA THR LYS THR PHE THR VAL THR GLU SEQRES 1 B 64 HIS HIS HIS HIS HIS HIS ALA MET ASP THR TYR LYS LEU SEQRES 2 B 64 ILE LEU ASN GLY LYS THR LEU LYS GLY GLU THR THR THR SEQRES 3 B 64 GLU ALA VAL ASP ALA ALA THR ALA GLU LYS VAL PHE LYS SEQRES 4 B 64 GLN TYR ALA ASN ASP ASN GLY VAL ASP GLY GLU TRP THR SEQRES 5 B 64 TYR ASP ASP ALA THR LYS THR PHE THR VAL THR GLU HET FMT A 65 3 HET FMT B 65 3 HETNAM FMT FORMIC ACID FORMUL 3 FMT 2(C H2 O2) FORMUL 5 HOH *87(H2 O) HELIX 1 1 ASP A 30 ASN A 45 1 16 HELIX 2 2 ASP B 30 ASN B 45 1 16 SHEET 1 A 4 LYS A 21 ALA A 28 0 SHEET 2 A 4 ASP A 9 ASN A 16 -1 N LEU A 15 O GLY A 22 SHEET 3 A 4 THR A 59 THR A 63 1 O PHE A 60 N LYS A 12 SHEET 4 A 4 GLU A 50 ASP A 54 -1 N ASP A 54 O THR A 59 SHEET 1 B 4 LYS B 21 ALA B 28 0 SHEET 2 B 4 ASP B 9 ASN B 16 -1 N LEU B 15 O GLY B 22 SHEET 3 B 4 THR B 59 THR B 63 1 O PHE B 60 N LYS B 12 SHEET 4 B 4 GLU B 50 ASP B 54 -1 N ASP B 54 O THR B 59 SITE 1 AC1 4 ASN A 43 VAL A 47 GLY A 49 TRP A 51 SITE 1 AC2 5 ASN B 43 VAL B 47 ASP B 48 GLY B 49 SITE 2 AC2 5 TRP B 51 CRYST1 34.810 34.810 71.788 90.00 90.00 120.00 P 32 6 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 0.028728 0.016586 0.000000 0.00000 SCALE2 0.000000 0.033172 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013930 0.00000