HEADER UNKNOWN FUNCTION 28-MAR-14 4PZ1 TITLE CRYSTAL STRUCTURE OF A SHIP (UNIPROT ID: Q99XU0) MUTANT FROM TITLE 2 STREPTOCOCCUS PYOGENES COMPND MOL_ID: 1; COMPND 2 MOLECULE: SHIP; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOCOCCUS PYOGENES SEROTYPE M1; SOURCE 3 ORGANISM_TAXID: 301447; SOURCE 4 GENE: M5005_SPY1730, SPY_2034; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS HELIX-LOOP-HELIX, UNKNOWN FUNCTION EXPDTA X-RAY DIFFRACTION AUTHOR M.WISNIEWSKA,L.HAPPONEN,I.-M.FRICK,L.BJORCK,W.STREICHER,J.MALMSTROM, AUTHOR 2 M.WIKSTROM REVDAT 3 20-SEP-23 4PZ1 1 REMARK SEQADV LINK REVDAT 2 07-MAR-18 4PZ1 1 REMARK REVDAT 1 11-MAR-15 4PZ1 0 JRNL AUTH M.WISNIEWSKA,L.HAPPONEN,F.KAHN,M.VARJOSALO,L.MALMSTROM, JRNL AUTH 2 G.ROSENBERGER,C.KARLSSON,G.CAZZAMALI,I.POZDNYAKOVA, JRNL AUTH 3 I.M.FRICK,L.BJORCK,W.STREICHER,J.MALMSTROM,M.WIKSTROM JRNL TITL FUNCTIONAL AND STRUCTURAL PROPERTIES OF A NOVEL PROTEIN AND JRNL TITL 2 VIRULENCE FACTOR (PROTEIN SHIP) IN STREPTOCOCCUS PYOGENES. JRNL REF J.BIOL.CHEM. V. 289 18175 2014 JRNL REFN ISSN 0021-9258 JRNL PMID 24825900 JRNL DOI 10.1074/JBC.M114.565978 REMARK 2 REMARK 2 RESOLUTION. 1.73 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.7.0029 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) : 1.73 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.76 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 98.3 REMARK 3 NUMBER OF REFLECTIONS : 9077 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) : 0.180 REMARK 3 R VALUE (WORKING SET) : 0.178 REMARK 3 FREE R VALUE : 0.211 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.800 REMARK 3 FREE R VALUE TEST SET COUNT : 461 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) : 1.73 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.78 REMARK 3 REFLECTION IN BIN (WORKING SET) : 657 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.74 REMARK 3 BIN R VALUE (WORKING SET) : 0.2010 REMARK 3 BIN FREE R VALUE SET COUNT : 34 REMARK 3 BIN FREE R VALUE : 0.3620 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 792 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 78 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.79 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.12000 REMARK 3 B22 (A**2) : 0.30000 REMARK 3 B33 (A**2) : -0.43000 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): 0.124 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.116 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.069 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.071 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.945 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.935 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 811 ; 0.011 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 743 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1099 ; 1.295 ; 1.955 REMARK 3 BOND ANGLES OTHERS (DEGREES): 1717 ; 0.791 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 96 ; 4.250 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 44 ;31.068 ;25.909 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 140 ;13.620 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 2 ;17.774 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 116 ; 0.074 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 925 ; 0.005 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): 183 ; 0.001 ; 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): 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 ADDED IN THE RIDING REMARK 3 POSITIONS REMARK 4 REMARK 4 4PZ1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-APR-14. REMARK 100 THE DEPOSITION ID IS D_1000085397. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-DEC-13 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 : MAX II REMARK 200 BEAMLINE : I911-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.03841 REMARK 200 MONOCHROMATOR : BENT SI (111) CRYSTAL, REMARK 200 HORIZONTALLY FOCUSING REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MAR CCD 165 MM REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9571 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.730 REMARK 200 RESOLUTION RANGE LOW (A) : 19.760 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.8 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.73 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.82 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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: MOLREP REMARK 200 STARTING MODEL: PDB ENTRY 4MER REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.22 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.93 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 6000, 0.2 M CALCIUM CHLORIDE, REMARK 280 0.1 M TRIS, PH 8.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE REMARK 280 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 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,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 16.64000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 44.79000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 16.64000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 44.79000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6070 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11780 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -104.0 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 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 33.28000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 179.16000 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 SER A 1 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 CL CL A 102 O HOH A 201 3657 1.82 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 CA A 103 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HOH A 276 O REMARK 620 2 HOH A 277 O 118.4 REMARK 620 3 HOH A 278 O 98.1 86.3 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 102 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 103 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4MER RELATED DB: PDB DBREF 4PZ1 A 3 98 UNP Q99XU0 Q99XU0_STRP1 3 98 SEQADV 4PZ1 SER A 1 UNP Q99XU0 EXPRESSION TAG SEQADV 4PZ1 MET A 2 UNP Q99XU0 EXPRESSION TAG SEQADV 4PZ1 SER A 65 UNP Q99XU0 CYS 65 ENGINEERED MUTATION SEQADV 4PZ1 ALA A 84 UNP Q99XU0 LEU 84 ENGINEERED MUTATION SEQADV 4PZ1 ALA A 88 UNP Q99XU0 LEU 88 ENGINEERED MUTATION SEQADV 4PZ1 ALA A 95 UNP Q99XU0 TYR 95 ENGINEERED MUTATION SEQRES 1 A 98 SER MET LYS GLN ASP GLN LEU ILE VAL GLU LYS MET GLU SEQRES 2 A 98 GLN THR TYR GLU ALA PHE SER PRO LYS LEU ALA ASN LEU SEQRES 3 A 98 ILE GLU ALA LEU ASP ALA PHE LYS GLU HIS TYR GLU GLU SEQRES 4 A 98 TYR ALA THR LEU ARG ASN PHE TYR SER SER ASP GLU TRP SEQRES 5 A 98 PHE ARG LEU ALA ASN GLN PRO TRP ASP ASP ILE PRO SER SEQRES 6 A 98 GLY VAL LEU SER GLU ASP LEU LEU PHE ASP MET ILE GLY SEQRES 7 A 98 ASP HIS ASN GLN LEU ALA ALA ASP ILE ALA ASP LEU ALA SEQRES 8 A 98 PRO ILE MET ALA LYS HIS MET HET CL A 101 1 HET CL A 102 1 HET CA A 103 1 HETNAM CL CHLORIDE ION HETNAM CA CALCIUM ION FORMUL 2 CL 2(CL 1-) FORMUL 4 CA CA 2+ FORMUL 5 HOH *78(H2 O) HELIX 1 1 MET A 2 TYR A 37 1 36 HELIX 2 2 GLU A 39 TYR A 47 1 9 HELIX 3 3 SER A 49 ASN A 57 1 9 HELIX 4 4 SER A 65 SER A 69 5 5 HELIX 5 5 ASP A 71 HIS A 97 1 27 LINK CA CA A 103 O HOH A 276 1555 1555 2.26 LINK CA CA A 103 O HOH A 277 1555 1555 2.41 LINK CA CA A 103 O HOH A 278 1555 1555 2.29 SITE 1 AC1 6 GLU A 35 GLU A 38 ASP A 61 HOH A 206 SITE 2 AC1 6 HOH A 225 HOH A 226 SITE 1 AC2 6 GLU A 38 GLU A 39 SER A 48 ASP A 62 SITE 2 AC2 6 HOH A 201 HOH A 257 SITE 1 AC3 6 GLU A 70 LYS A 96 HOH A 213 HOH A 276 SITE 2 AC3 6 HOH A 277 HOH A 278 CRYST1 29.370 33.280 89.580 90.00 90.00 90.00 P 2 21 21 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 0.034048 0.000000 0.000000 0.00000 SCALE2 0.000000 0.030048 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011163 0.00000