HEADER IMMUNE SYSTEM 22-AUG-14 4W81 TITLE PERIPLASMICALLY PRODUCED MONOMERIC SINGLE DOMAIN ANTIBODY (SDAB) TITLE 2 C22A/C99V VARIANT AGAINST STAPHYLOCOCCAL ENTEROTOXIN B (SEB) AT PH TITLE 3 8.0 COMPND MOL_ID: 1; COMPND 2 MOLECULE: SINGLE DOMAIN ANTIBODY; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LAMA GLAMA; SOURCE 3 ORGANISM_TAXID: 9844; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET22 KEYWDS SINGLE DOMAIN ANTIBODY, V-SET DOMAIN, IMMUNE SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR J.GEORGE,P.M.LEGLER REVDAT 3 27-SEP-23 4W81 1 REMARK REVDAT 2 01-JAN-20 4W81 1 SOURCE KEYWDS JRNL REMARK REVDAT 1 05-NOV-14 4W81 0 JRNL AUTH J.GEORGE,J.R.COMPTON,D.H.LEARY,M.A.OLSON,P.M.LEGLER JRNL TITL STRUCTURAL AND MUTATIONAL ANALYSIS OF A MONOMERIC AND JRNL TITL 2 DIMERIC FORM OF A SINGLE DOMAIN ANTIBODY WITH IMPLICATIONS JRNL TITL 3 FOR PROTEIN MISFOLDING. JRNL REF PROTEINS V. 82 3101 2014 JRNL REFN ESSN 1097-0134 JRNL PMID 25136772 JRNL DOI 10.1002/PROT.24671 REMARK 2 REMARK 2 RESOLUTION. 2.25 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.6.0117 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) : 2.25 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.75 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 3 NUMBER OF REFLECTIONS : 6017 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) : 0.195 REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.233 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 295 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) : 2.25 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.31 REMARK 3 REFLECTION IN BIN (WORKING SET) : 426 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.80 REMARK 3 BIN R VALUE (WORKING SET) : 0.2300 REMARK 3 BIN FREE R VALUE SET COUNT : 28 REMARK 3 BIN FREE R VALUE : 0.3170 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 993 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 52 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 15.52 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.84000 REMARK 3 B22 (A**2) : -0.84000 REMARK 3 B33 (A**2) : 1.25000 REMARK 3 B12 (A**2) : -0.42000 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): 0.336 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.223 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.131 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.149 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.927 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.878 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1017 ; 0.005 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1378 ; 0.983 ; 1.940 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 130 ; 4.406 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 45 ;36.676 ;23.111 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 157 ;12.305 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ;19.618 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 150 ; 0.064 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 783 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL 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 : 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: HYDROGENS HAVE BEEN USED IF PRESENT IN REMARK 3 THE INPUT REMARK 4 REMARK 4 4W81 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-AUG-14. REMARK 100 THE DEPOSITION ID IS D_1000203362. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-AUG-13 REMARK 200 TEMPERATURE (KELVIN) : 150 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : BRUKER AXS MICROSTAR-H REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRUKER SMART 6000 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 6314 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.250 REMARK 200 RESOLUTION RANGE LOW (A) : 43.750 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.5 REMARK 200 DATA REDUNDANCY : 5.370 REMARK 200 R MERGE (I) : 0.13010 REMARK 200 R SYM (I) : 0.10000 REMARK 200 FOR THE DATA SET : 10.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.25 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.35 REMARK 200 COMPLETENESS FOR SHELL (%) : 95.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.46 REMARK 200 R MERGE FOR SHELL (I) : 0.42120 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.190 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: 4W70 REMARK 200 REMARK 200 REMARK: THREE-SIDED PYRAMID REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: HAMPTON AMMONIUM SULFATE GRID SCREEN REMARK 280 CONDITION B5 0.1 M TRIS PH 8.0, 1.6 M AMMONIUM SULFATE, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 X+2/3,Y+1/3,Z+1/3 REMARK 290 5555 -Y+2/3,X-Y+1/3,Z+1/3 REMARK 290 6555 -X+Y+2/3,-X+1/3,Z+1/3 REMARK 290 7555 X+1/3,Y+2/3,Z+2/3 REMARK 290 8555 -Y+1/3,X-Y+2/3,Z+2/3 REMARK 290 9555 -X+Y+1/3,-X+2/3,Z+2/3 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 0.00000 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 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 43.74950 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 25.25879 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 15.59567 REMARK 290 SMTRY1 5 -0.500000 -0.866025 0.000000 43.74950 REMARK 290 SMTRY2 5 0.866025 -0.500000 0.000000 25.25879 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 15.59567 REMARK 290 SMTRY1 6 -0.500000 0.866025 0.000000 43.74950 REMARK 290 SMTRY2 6 -0.866025 -0.500000 0.000000 25.25879 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 15.59567 REMARK 290 SMTRY1 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 50.51757 REMARK 290 SMTRY3 7 0.000000 0.000000 1.000000 31.19133 REMARK 290 SMTRY1 8 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 8 0.866025 -0.500000 0.000000 50.51757 REMARK 290 SMTRY3 8 0.000000 0.000000 1.000000 31.19133 REMARK 290 SMTRY1 9 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 -0.500000 0.000000 50.51757 REMARK 290 SMTRY3 9 0.000000 0.000000 1.000000 31.19133 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 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 400 REMARK 400 COMPOUND REMARK 400 SEQUENCE REFLECTS C22A, C99V MUTATIONS AGAINST WT PROTEIN. NO UNP REMARK 400 MATCH IS FOUND, THEREFORE THE SEQUENCE IS SELF REFERENCE 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 ALA A 130 REMARK 465 ALA A 131 REMARK 465 ALA A 132 REMARK 465 LEU A 133 REMARK 465 GLU A 134 REMARK 465 HIS A 135 REMARK 465 HIS A 136 REMARK 465 HIS A 137 REMARK 465 HIS A 138 REMARK 465 HIS A 139 REMARK 465 HIS A 140 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 VAL A 48 -53.21 -120.42 REMARK 500 ALA A 95 171.59 177.90 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 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4W68 RELATED DB: PDB REMARK 900 THE SAME PROTEIN PRODUCED IN THE CYTOPLASM CRYSTALLIZED AT PH 8.0 REMARK 900 (HOMODIMERIC) REMARK 900 RELATED ID: 4W70 RELATED DB: PDB REMARK 900 THE SAME PROTEIN AT PH 7.0 PRODUCED IN THE PERIPLASM (MONOMERIC) DBREF 4W81 A -1 140 PDB 4W81 4W81 -1 140 SEQRES 1 A 142 MET ALA GLU VAL GLN LEU VAL GLU SER GLY GLY GLY LEU SEQRES 2 A 142 VAL GLN ALA GLY ASP SER LEU ARG LEU SER ALA THR ALA SEQRES 3 A 142 SER GLY ARG THR PHE SER ARG ALA VAL MET GLY TRP PHE SEQRES 4 A 142 ARG GLN ALA PRO GLY LYS GLU ARG GLU PHE VAL ALA ALA SEQRES 5 A 142 ILE SER ALA ALA PRO GLY THR ALA TYR TYR ALA PHE TYR SEQRES 6 A 142 ALA ASP SER VAL ARG GLY ARG PHE SER ILE SER ALA ASP SEQRES 7 A 142 SER ALA LYS ASN THR VAL TYR LEU GLN MET ASN SER LEU SEQRES 8 A 142 LYS PRO GLU ASP THR ALA VAL TYR TYR VAL ALA ALA ASP SEQRES 9 A 142 LEU LYS MET GLN VAL ALA ALA TYR MET ASN GLN ARG SER SEQRES 10 A 142 VAL ASP TYR TRP GLY GLN GLY THR GLN VAL THR VAL SER SEQRES 11 A 142 SER ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS HET SO4 A 201 5 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *52(H2 O) HELIX 1 AA1 LYS A 90 THR A 94 5 5 HELIX 2 AA2 ASN A 112 VAL A 116 5 5 SHEET 1 AA1 4 LEU A 4 SER A 7 0 SHEET 2 AA1 4 LEU A 18 ALA A 24 -1 O THR A 23 N VAL A 5 SHEET 3 AA1 4 THR A 81 MET A 86 -1 O MET A 86 N LEU A 18 SHEET 4 AA1 4 PHE A 71 ASP A 76 -1 N SER A 74 O TYR A 83 SHEET 1 AA2 6 GLY A 10 GLN A 13 0 SHEET 2 AA2 6 THR A 123 SER A 128 1 O THR A 126 N VAL A 12 SHEET 3 AA2 6 ALA A 95 ASP A 102 -1 N ALA A 95 O VAL A 125 SHEET 4 AA2 6 VAL A 33 GLN A 39 -1 N GLY A 35 O ALA A 100 SHEET 5 AA2 6 GLU A 46 ALA A 53 -1 O ILE A 51 N MET A 34 SHEET 6 AA2 6 TYR A 59 TYR A 63 -1 O TYR A 60 N SER A 52 SHEET 1 AA3 4 GLY A 10 GLN A 13 0 SHEET 2 AA3 4 THR A 123 SER A 128 1 O THR A 126 N VAL A 12 SHEET 3 AA3 4 ALA A 95 ASP A 102 -1 N ALA A 95 O VAL A 125 SHEET 4 AA3 4 TYR A 118 TRP A 119 -1 N TYR A 118 O ALA A 101 SITE 1 AC1 4 ARG A 27 PRO A 41 GLY A 42 HOH A 317 CRYST1 87.499 87.499 46.787 90.00 90.00 120.00 H 3 9 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 0.011429 0.006598 0.000000 0.00000 SCALE2 0.000000 0.013197 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021373 0.00000