HEADER CALCIUM BINDING PROTEIN 31-OCT-08 3F45 TITLE STRUCTURE OF THE R75A MUTANT OF RAT ALPHA-PARVALBUMIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: PARVALBUMIN ALPHA; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 GENE: PVALB, PVA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PGEMEX KEYWDS CALCIUM BINDING PROTEIN, EF-HAND, ACETYLATION, CALCIUM, MUSCLE KEYWDS 2 PROTEIN, PHOSPHOPROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR F.HOH,A.PADILLA REVDAT 4 01-NOV-23 3F45 1 REMARK REVDAT 3 10-NOV-21 3F45 1 REMARK SEQADV REVDAT 2 04-AUG-09 3F45 1 JRNL REVDAT 1 07-JUL-09 3F45 0 JRNL AUTH F.HOH,A.CAVE,M.P.STRUB,J.L.BANERES,A.PADILLA JRNL TITL REMOVING THE INVARIANT SALT BRIDGE OF PARVALBUMIN INCREASES JRNL TITL 2 FLEXIBILITY IN THE AB-LOOP STRUCTURE JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 65 733 2009 JRNL REFN ISSN 0907-4449 JRNL PMID 19622856 JRNL DOI 10.1107/S0907444909011482 REMARK 2 REMARK 2 RESOLUTION. 2.00 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 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 27.71 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 3 NUMBER OF REFLECTIONS : 5480 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) : 0.147 REMARK 3 R VALUE (WORKING SET) : 0.144 REMARK 3 FREE R VALUE : 0.205 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 251 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.05 REMARK 3 REFLECTION IN BIN (WORKING SET) : 327 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.79 REMARK 3 BIN R VALUE (WORKING SET) : 0.2000 REMARK 3 BIN FREE R VALUE SET COUNT : 18 REMARK 3 BIN FREE R VALUE : 0.3210 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 822 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 12 REMARK 3 SOLVENT ATOMS : 155 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 12.08 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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): 0.260 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.182 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.124 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.497 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.957 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.916 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 839 ; 0.016 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1119 ; 1.595 ; 1.989 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 108 ; 5.909 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 33 ;30.878 ;26.970 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 166 ;13.568 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 125 ; 0.096 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 596 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 520 ; 0.225 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 606 ; 0.306 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 136 ; 0.188 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): 11 ; 0.105 ; 0.200 REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): 54 ; 0.165 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 35 ; 0.217 ; 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): 553 ; 0.908 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 848 ; 1.426 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 314 ; 2.492 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 271 ; 3.551 ; 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 3F45 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-NOV-08. REMARK 100 THE DEPOSITION ID IS D_1000050123. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-OCT-05 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.0 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.542 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : OSMIC MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 5621 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.000 REMARK 200 RESOLUTION RANGE LOW (A) : 27.710 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 200 DATA REDUNDANCY : 3.800 REMARK 200 R MERGE (I) : 0.04700 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL 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: MIR REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 1RTP REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 30.77 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.78 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3.2 AMMONIUM SULFATE, 2% PEG 600, REMARK 280 100MM MES, PH 6.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 290K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 27.52500 REMARK 290 SMTRY3 2 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 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 NE2 HIS A 26 O HOH A 178 2.19 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 110 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 51 OD1 REMARK 620 2 ASP A 53 OD1 87.6 REMARK 620 3 SER A 55 OG 90.7 79.3 REMARK 620 4 PHE A 57 O 80.5 152.4 76.0 REMARK 620 5 GLU A 59 OE1 163.9 100.3 77.1 86.3 REMARK 620 6 GLU A 62 OE1 103.5 125.6 151.1 81.6 83.5 REMARK 620 7 GLU A 62 OE2 100.9 71.8 148.2 134.8 95.0 53.9 REMARK 620 N 1 2 3 4 5 6 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 111 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 90 OD1 REMARK 620 2 ASP A 92 OD1 80.6 REMARK 620 3 ASP A 94 OD1 83.2 75.7 REMARK 620 4 LYS A 96 O 83.1 151.1 78.9 REMARK 620 5 GLU A 101 OE1 113.9 126.1 152.9 82.4 REMARK 620 6 GLU A 101 OE2 90.9 78.2 153.8 125.9 51.5 REMARK 620 7 HOH A 158 O 158.9 96.3 75.8 90.4 84.9 109.1 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 CA A 110 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 111 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 112 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 113 DBREF 3F45 A 1 109 UNP P02625 PRVA_RAT 2 110 SEQADV 3F45 ALA A 75 UNP P02625 ARG 76 ENGINEERED MUTATION SEQRES 1 A 109 SER MET THR ASP LEU LEU SER ALA GLU ASP ILE LYS LYS SEQRES 2 A 109 ALA ILE GLY ALA PHE THR ALA ALA ASP SER PHE ASP HIS SEQRES 3 A 109 LYS LYS PHE PHE GLN MET VAL GLY LEU LYS LYS LYS SER SEQRES 4 A 109 ALA ASP ASP VAL LYS LYS VAL PHE HIS ILE LEU ASP LYS SEQRES 5 A 109 ASP LYS SER GLY PHE ILE GLU GLU ASP GLU LEU GLY SER SEQRES 6 A 109 ILE LEU LYS GLY PHE SER SER ASP ALA ALA ASP LEU SER SEQRES 7 A 109 ALA LYS GLU THR LYS THR LEU MET ALA ALA GLY ASP LYS SEQRES 8 A 109 ASP GLY ASP GLY LYS ILE GLY VAL GLU GLU PHE SER THR SEQRES 9 A 109 LEU VAL ALA GLU SER HET CA A 110 1 HET CA A 111 1 HET SO4 A 112 5 HET SO4 A 113 5 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION FORMUL 2 CA 2(CA 2+) FORMUL 4 SO4 2(O4 S 2-) FORMUL 6 HOH *155(H2 O) HELIX 1 1 SER A 1 LEU A 5 5 5 HELIX 2 2 SER A 7 ALA A 17 1 11 HELIX 3 3 ASP A 25 VAL A 33 1 9 HELIX 4 4 GLY A 34 LYS A 38 5 5 HELIX 5 5 SER A 39 ASP A 51 1 13 HELIX 6 6 GLU A 59 SER A 65 1 7 HELIX 7 7 SER A 65 SER A 71 1 7 HELIX 8 8 SER A 78 ASP A 90 1 13 HELIX 9 9 GLY A 98 GLU A 108 1 11 LINK OD1 ASP A 51 CA CA A 110 1555 1555 2.29 LINK OD1 ASP A 53 CA CA A 110 1555 1555 2.29 LINK OG SER A 55 CA CA A 110 1555 1555 2.64 LINK O PHE A 57 CA CA A 110 1555 1555 2.32 LINK OE1 GLU A 59 CA CA A 110 1555 1555 2.30 LINK OE1 GLU A 62 CA CA A 110 1555 1555 2.32 LINK OE2 GLU A 62 CA CA A 110 1555 1555 2.46 LINK OD1 ASP A 90 CA CA A 111 1555 1555 2.36 LINK OD1 ASP A 92 CA CA A 111 1555 1555 2.36 LINK OD1 ASP A 94 CA CA A 111 1555 1555 2.23 LINK O LYS A 96 CA CA A 111 1555 1555 2.39 LINK OE1 GLU A 101 CA CA A 111 1555 1555 2.36 LINK OE2 GLU A 101 CA CA A 111 1555 1555 2.57 LINK CA CA A 111 O HOH A 158 1555 1555 2.36 SITE 1 AC1 6 ASP A 51 ASP A 53 SER A 55 PHE A 57 SITE 2 AC1 6 GLU A 59 GLU A 62 SITE 1 AC2 6 ASP A 90 ASP A 92 ASP A 94 LYS A 96 SITE 2 AC2 6 GLU A 101 HOH A 158 SITE 1 AC3 9 SER A 78 ALA A 79 GLY A 98 VAL A 99 SITE 2 AC3 9 GLU A 100 HOH A 125 HOH A 134 HOH A 193 SITE 3 AC3 9 HOH A 247 SITE 1 AC4 5 HIS A 48 LYS A 68 ALA A 75 ASP A 76 SITE 2 AC4 5 HOH A 226 CRYST1 27.315 55.050 28.768 90.00 105.56 90.00 P 1 21 1 2 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 0.036610 0.000000 0.010191 0.00000 SCALE2 0.000000 0.018165 0.000000 0.00000 SCALE3 0.000000 0.000000 0.036082 0.00000