HEADER STRUCTURAL GENOMICS/UNKNOWN FUNCTION 13-SEP-05 2B06 TITLE CRYSTAL STRUCTURE OF THE MUTT/NUDIX FAMILY PROTEIN FROM STREPTOCOCCUS TITLE 2 PNEUMONIAE COMPND MOL_ID: 1; COMPND 2 MOLECULE: MUTT/NUDIX FAMILY PROTEIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PNEUMONIAE; SOURCE 3 ORGANISM_TAXID: 1313; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET15B KEYWDS MUTT/NUDIX, STREPTOCOCCUS PNEUMONIAE, STRUCTURAL GENOMICS, PSI, KEYWDS 2 PROTEIN STRUCTURE INITIATIVE, MIDWEST CENTER FOR STRUCTURAL KEYWDS 3 GENOMICS, MCSG, STRUCTURAL GENOMICS-UNKNOWN FUNCTION COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR R.ZHANG,M.ZHOU,J.ABDULLAH,F.COLLART,A.JOACHIMIAK,MIDWEST CENTER FOR AUTHOR 2 STRUCTURAL GENOMICS (MCSG) REVDAT 4 14-FEB-24 2B06 1 REMARK LINK REVDAT 3 13-JUL-11 2B06 1 VERSN REVDAT 2 24-FEB-09 2B06 1 VERSN REVDAT 1 10-JAN-06 2B06 0 JRNL AUTH R.ZHANG,M.ZHOU,J.ABDULLAH,F.COLLART,A.JOACHIMIAK JRNL TITL THE 1.4 A CRYSTAL STRUCTURE OF THE MUTT/NUDIX FAMILY PROTEIN JRNL TITL 2 FROM STREPTOCOCCUS PNEUMONIAE JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 1.40 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 WITH PHASES REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 40.69 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.4 REMARK 3 NUMBER OF REFLECTIONS : 25116 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) : 0.190 REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.219 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1318 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) : 1.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.44 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1597 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.53 REMARK 3 BIN R VALUE (WORKING SET) : 0.2330 REMARK 3 BIN FREE R VALUE SET COUNT : 71 REMARK 3 BIN FREE R VALUE : 0.2730 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1222 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 227 REMARK 3 REMARK 3 B VALUES. REMARK 3 B VALUE TYPE : LIKELY RESIDUAL REMARK 3 FROM WILSON PLOT (A**2) : 22.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.71 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.47000 REMARK 3 B22 (A**2) : 1.29000 REMARK 3 B33 (A**2) : -1.05000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -1.01000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.075 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.076 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.045 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.151 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.954 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): 1268 ; 0.008 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1722 ; 1.215 ; 1.959 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 152 ; 5.627 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 66 ;36.442 ;25.152 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 222 ;12.660 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;21.294 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 183 ; 0.082 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 987 ; 0.004 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 531 ; 0.198 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 878 ; 0.312 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 182 ; 0.173 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 1 ; 0.011 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 62 ; 0.196 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 50 ; 0.143 ; 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): 784 ; 0.786 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1234 ; 1.245 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 565 ; 1.927 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 488 ; 2.770 ; 4.500 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 : 1 REMARK 3 REMARK 3 TLS GROUP : 1 REMARK 3 NUMBER OF COMPONENTS GROUP : 3 REMARK 3 COMPONENTS C SSSEQI TO C SSSEQI REMARK 3 RESIDUE RANGE : A 1 A 28 REMARK 3 RESIDUE RANGE : A 35 A 100 REMARK 3 RESIDUE RANGE : A 101 A 155 REMARK 3 ORIGIN FOR THE GROUP (A): 5.6868 49.4099 11.1713 REMARK 3 T TENSOR REMARK 3 T11: -0.0316 T22: -0.0123 REMARK 3 T33: -0.0395 T12: 0.0056 REMARK 3 T13: -0.0066 T23: 0.0043 REMARK 3 L TENSOR REMARK 3 L11: 1.0636 L22: 0.3917 REMARK 3 L33: 1.1355 L12: 0.1375 REMARK 3 L13: -0.1155 L23: 0.1723 REMARK 3 S TENSOR REMARK 3 S11: 0.0070 S12: -0.1269 S13: 0.0198 REMARK 3 S21: -0.0036 S22: -0.0187 S23: -0.0236 REMARK 3 S31: 0.0418 S32: 0.0989 S33: 0.0117 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 ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 2B06 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-SEP-05. REMARK 100 THE DEPOSITION ID IS D_1000034510. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-APR-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9798 REMARK 200 MONOCHROMATOR : SI 111 CHANNEL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SBCCOLLECT REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 25116 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.5 REMARK 200 DATA REDUNDANCY : 2.400 REMARK 200 R MERGE (I) : 0.04500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.45 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.5 REMARK 200 DATA REDUNDANCY IN SHELL : 2.10 REMARK 200 R MERGE FOR SHELL (I) : 0.15700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.300 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: HKL-3000 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS/HCL, 0.2M MGSO4, 25% REMARK 280 PEG3350, PH 8.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 X+1/2,Y+1/2,Z 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 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 1.000000 0.000000 0.000000 32.92500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.49500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 32.92500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 32.49500 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 300 REMARK: THIS PROTEIN EXISTED AS DIMER. THE SECOND MOLECULE OF THE REMARK 300 DIMER IS GENERATED BY THE TWO FOLD AXIS: -X, Y,-Z 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 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 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 302 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 358 LIES ON A SPECIAL POSITION. 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 PRO A 30 REMARK 465 GLU A 31 REMARK 465 ASN A 32 REMARK 465 ASN A 33 REMARK 465 ARG A 34 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 484 O HOH A 488 2.06 REMARK 500 O HOH A 488 O HOH A 508 2.11 REMARK 500 OE2 GLU A 105 O HOH A 488 2.13 REMARK 500 OE1 GLU A 58 O HOH A 488 2.15 REMARK 500 OE2 GLU A 62 O HOH A 488 2.18 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 300 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 42 O REMARK 620 2 GLU A 62 OE1 71.1 REMARK 620 3 GLU A 62 OE2 84.8 43.8 REMARK 620 4 HOH A 304 O 88.6 64.9 106.3 REMARK 620 5 HOH A 318 O 100.3 123.6 80.6 169.3 REMARK 620 6 HOH A 463 O 168.6 98.4 90.3 82.8 89.0 REMARK 620 7 HOH A 525 O 89.7 144.0 167.2 85.1 89.0 97.0 REMARK 620 N 1 2 3 4 5 6 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 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: APC80455 RELATED DB: TARGETDB DBREF 2B06 A 1 155 GB 14972717 AAK75341 1 155 SEQRES 1 A 155 MET SER ARG SER GLN LEU THR ILE LEU THR ASN ILE CYS SEQRES 2 A 155 LEU ILE GLU ASP LEU GLU THR GLN ARG VAL VAL MET GLN SEQRES 3 A 155 TYR ARG ALA PRO GLU ASN ASN ARG TRP SER GLY TYR ALA SEQRES 4 A 155 PHE PRO GLY GLY HIS VAL GLU ASN ASP GLU ALA PHE ALA SEQRES 5 A 155 GLU SER VAL ILE ARG GLU ILE TYR GLU GLU THR GLY LEU SEQRES 6 A 155 THR ILE GLN ASN PRO GLN LEU VAL GLY ILE LYS ASN TRP SEQRES 7 A 155 PRO LEU ASP THR GLY GLY ARG TYR ILE VAL ILE CYS TYR SEQRES 8 A 155 LYS ALA THR GLU PHE SER GLY THR LEU GLN SER SER GLU SEQRES 9 A 155 GLU GLY GLU VAL SER TRP VAL GLN LYS ASP GLN ILE PRO SEQRES 10 A 155 ASN LEU ASN LEU ALA TYR ASP MET LEU PRO LEU MET GLU SEQRES 11 A 155 MET MET GLU ALA PRO ASP LYS SER GLU PHE PHE TYR PRO SEQRES 12 A 155 ARG ARG THR GLU ASP ASP TRP GLU LYS LYS ILE PHE HET MG A 300 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG MG 2+ FORMUL 3 HOH *227(H2 O) HELIX 1 1 SER A 2 GLN A 5 5 4 HELIX 2 2 ALA A 50 GLY A 64 1 15 HELIX 3 3 ASP A 114 LEU A 119 5 6 HELIX 4 4 ASP A 124 ALA A 134 1 11 SHEET 1 A 3 GLY A 37 ALA A 39 0 SHEET 2 A 3 ARG A 22 ARG A 28 -1 N GLN A 26 O ALA A 39 SHEET 3 A 3 GLU A 107 GLN A 112 -1 O SER A 109 N MET A 25 SHEET 1 B 7 GLY A 37 ALA A 39 0 SHEET 2 B 7 ARG A 22 ARG A 28 -1 N GLN A 26 O ALA A 39 SHEET 3 B 7 THR A 7 ASP A 17 -1 N ASP A 17 O ARG A 22 SHEET 4 B 7 ARG A 85 ALA A 93 1 O ILE A 89 N THR A 10 SHEET 5 B 7 GLN A 71 PRO A 79 -1 N VAL A 73 O CYS A 90 SHEET 6 B 7 GLU A 139 PHE A 141 1 O PHE A 140 N ASN A 77 SHEET 7 B 7 LYS A 153 PHE A 155 -1 O LYS A 153 N PHE A 141 SHEET 1 C 2 LEU A 65 GLN A 68 0 SHEET 2 C 2 GLU A 95 GLY A 98 -1 O GLU A 95 N GLN A 68 LINK O GLY A 42 MG MG A 300 1555 1555 1.98 LINK OE1 GLU A 62 MG MG A 300 1555 1555 3.13 LINK OE2 GLU A 62 MG MG A 300 1555 1555 2.00 LINK MG MG A 300 O HOH A 304 1555 1555 2.13 LINK MG MG A 300 O HOH A 318 1555 1555 2.10 LINK MG MG A 300 O HOH A 463 1555 1555 2.06 LINK MG MG A 300 O HOH A 525 1555 1555 2.15 SITE 1 AC1 8 GLY A 42 GLY A 43 GLU A 62 GLU A 105 SITE 2 AC1 8 HOH A 304 HOH A 318 HOH A 463 HOH A 525 CRYST1 65.850 64.990 41.779 90.00 127.60 90.00 C 1 2 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 0.015186 0.000000 0.011694 0.00000 SCALE2 0.000000 0.015387 0.000000 0.00000 SCALE3 0.000000 0.000000 0.030210 0.00000