HEADER SIGNALING PROTEIN 12-APR-09 3H1E TITLE CRYSTAL STRUCTURE OF MG(2+) AND BEH(3)(-)-BOUND CHEY OF HELICOBACTER TITLE 2 PYLORI COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHEMOTAXIS PROTEIN CHEY HOMOLOG; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CHEMOTAXIS PROTEIN CHEY1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HELICOBACTER PYLORI; SOURCE 3 ORGANISM_TAXID: 85962; SOURCE 4 STRAIN: 26695; SOURCE 5 GENE: CHEY1; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEX-6P-2 KEYWDS CHEMOTAXIS, BEF3-BOUND CHEY, CYTOPLASM, FLAGELLAR ROTATION, KEYWDS 2 MAGNESIUM, METAL-BINDING, PHOSPHOPROTEIN, TWO-COMPONENT REGULATORY KEYWDS 3 SYSTEM, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR K.H.LAM,T.K.LING,S.W.AU REVDAT 3 01-NOV-23 3H1E 1 REMARK SEQADV REVDAT 2 12-MAY-10 3H1E 1 JRNL REVDAT 1 09-MAR-10 3H1E 0 JRNL AUTH K.H.LAM,T.K.LING,S.W.AU JRNL TITL CRYSTAL STRUCTURE OF ACTIVATED CHEY1 FROM HELICOBACTER JRNL TITL 2 PYLORI. JRNL REF J.BACTERIOL. V. 192 2324 2010 JRNL REFN ISSN 0021-9193 JRNL PMID 20207758 JRNL DOI 10.1128/JB.00603-09 REMARK 2 REMARK 2 RESOLUTION. 2.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.4.0077 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) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.32 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 3613 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) : 0.154 REMARK 3 R VALUE (WORKING SET) : 0.151 REMARK 3 FREE R VALUE : 0.220 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.400 REMARK 3 FREE R VALUE TEST SET COUNT : 167 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) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.46 REMARK 3 REFLECTION IN BIN (WORKING SET) : 223 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 84.19 REMARK 3 BIN R VALUE (WORKING SET) : 0.1770 REMARK 3 BIN FREE R VALUE SET COUNT : 6 REMARK 3 BIN FREE R VALUE : 0.3000 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 966 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 58 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 6.27 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.07000 REMARK 3 B22 (A**2) : 0.14000 REMARK 3 B33 (A**2) : -0.19000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.05000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.291 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.189 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.156 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.954 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.919 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 985 ; 0.013 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): 665 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1330 ; 1.395 ; 1.993 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1645 ; 2.430 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 122 ; 5.237 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 39 ;39.000 ;25.641 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 195 ;14.085 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 5 ;20.323 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 160 ; 0.067 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1047 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 168 ; 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): 611 ; 0.481 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 248 ; 0.098 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 996 ; 0.926 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 374 ; 1.543 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 334 ; 2.524 ; 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 : 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 ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 3H1E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 15-APR-09. REMARK 100 THE DEPOSITION ID IS D_1000052569. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-NOV-07 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.0 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU MICROMAX-007 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54 REMARK 200 MONOCHROMATOR : VARIMAX REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR REMARK 200 DATA SCALING SOFTWARE : CRYSTALCLEAR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 4888 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 33.320 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 95.3 REMARK 200 DATA REDUNDANCY : 4.270 REMARK 200 R MERGE (I) : 0.01900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 55.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.8 REMARK 200 DATA REDUNDANCY IN SHELL : 4.36 REMARK 200 R MERGE FOR SHELL (I) : 0.02900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 39.00 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 3GWG REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 30.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.78 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M SODIUM ACETATE, 35% MPEG2000, REMARK 280 0.05M AMMONIUM SULFATE, 1MM MAGNESIUM CHLORIDE, 1:10 BERYLLIUM, REMARK 280 1:100 SODIUM FLUORIDE, PH 5.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 289K 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 34.97800 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 19.04900 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 34.97800 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 19.04900 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 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 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 177 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 GLY A -4 REMARK 465 PRO A -3 REMARK 465 LEU A -2 REMARK 465 GLY A -1 REMARK 465 SER A 0 REMARK 465 ASP A 124 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 ASP A 7 132.12 -174.20 REMARK 500 TRP A 54 -64.79 -102.46 REMARK 500 MET A 59 109.60 80.78 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 BEF A 301 BE REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 53 OD1 REMARK 620 2 BEF A 301 F1 92.7 REMARK 620 3 BEF A 301 F2 105.0 117.5 REMARK 620 4 BEF A 301 F3 103.0 114.2 118.8 REMARK 620 N 1 2 3 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 201 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 202 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEF A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 501 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3GWG RELATED DB: PDB REMARK 900 RELATED ID: 3H1F RELATED DB: PDB REMARK 900 RELATED ID: 3H1G RELATED DB: PDB DBREF 3H1E A 1 124 UNP P71403 CHEY_HELPY 1 124 SEQADV 3H1E GLY A -4 UNP P71403 EXPRESSION TAG SEQADV 3H1E PRO A -3 UNP P71403 EXPRESSION TAG SEQADV 3H1E LEU A -2 UNP P71403 EXPRESSION TAG SEQADV 3H1E GLY A -1 UNP P71403 EXPRESSION TAG SEQADV 3H1E SER A 0 UNP P71403 EXPRESSION TAG SEQRES 1 A 129 GLY PRO LEU GLY SER MET LYS LEU LEU VAL VAL ASP ASP SEQRES 2 A 129 SER SER THR MET ARG ARG ILE ILE LYS ASN THR LEU SER SEQRES 3 A 129 ARG LEU GLY TYR GLU ASP VAL LEU GLU ALA GLU HIS GLY SEQRES 4 A 129 VAL GLU ALA TRP GLU LYS LEU ASP ALA ASN ALA ASP THR SEQRES 5 A 129 LYS VAL LEU ILE THR ASP TRP ASN MET PRO GLU MET ASN SEQRES 6 A 129 GLY LEU ASP LEU VAL LYS LYS VAL ARG SER ASP SER ARG SEQRES 7 A 129 PHE LYS GLU ILE PRO ILE ILE MET ILE THR THR GLU GLY SEQRES 8 A 129 GLY LYS ALA GLU VAL ILE THR ALA LEU LYS ALA GLY VAL SEQRES 9 A 129 ASN ASN TYR ILE VAL LYS PRO PHE THR PRO GLN VAL LEU SEQRES 10 A 129 LYS GLU LYS LEU GLU VAL VAL LEU GLY THR ASN ASP HET MG A 201 1 HET MG A 202 1 HET BEF A 301 4 HET SO4 A 501 5 HETNAM MG MAGNESIUM ION HETNAM BEF BERYLLIUM TRIFLUORIDE ION HETNAM SO4 SULFATE ION FORMUL 2 MG 2(MG 2+) FORMUL 4 BEF BE F3 1- FORMUL 5 SO4 O4 S 2- FORMUL 6 HOH *58(H2 O) HELIX 1 1 SER A 9 LEU A 23 1 15 HELIX 2 2 HIS A 33 ASN A 44 1 12 HELIX 3 3 ASN A 60 ASP A 71 1 12 HELIX 4 4 GLY A 87 GLY A 98 1 12 HELIX 5 5 THR A 108 GLY A 121 1 14 SHEET 1 A 5 VAL A 28 ALA A 31 0 SHEET 2 A 5 LEU A 3 VAL A 6 1 N VAL A 5 O LEU A 29 SHEET 3 A 5 VAL A 49 THR A 52 1 O ILE A 51 N VAL A 6 SHEET 4 A 5 ILE A 79 THR A 83 1 O ILE A 80 N LEU A 50 SHEET 5 A 5 ASN A 101 VAL A 104 1 O ILE A 103 N MET A 81 LINK OD1 ASP A 53 BE BEF A 301 1555 1555 1.84 CISPEP 1 LYS A 105 PRO A 106 0 1.90 SITE 1 AC1 4 MET A 12 GLU A 30 LYS A 105 HOH A 171 SITE 1 AC2 6 ASP A 8 ASP A 53 ASN A 55 HOH A 156 SITE 2 AC2 6 HOH A 168 BEF A 301 SITE 1 AC3 9 LYS A 17 ASP A 53 TRP A 54 ASN A 55 SITE 2 AC3 9 THR A 83 THR A 84 LYS A 105 HOH A 168 SITE 3 AC3 9 MG A 202 SITE 1 AC4 7 LYS A 2 ASP A 46 LYS A 48 GLY A 87 SITE 2 AC4 7 LYS A 88 ASN A 100 HOH A 164 CRYST1 69.956 38.098 38.885 90.00 106.95 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 0.014295 0.000000 0.004356 0.00000 SCALE2 0.000000 0.026248 0.000000 0.00000 SCALE3 0.000000 0.000000 0.026885 0.00000