HEADER TRANSFERASE 25-APR-97 1E2A TITLE ENZYME IIA FROM THE LACTOSE SPECIFIC PTS FROM LACTOCOCCUS LACTIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENZYME IIA; COMPND 3 CHAIN: A, B, C; COMPND 4 SYNONYM: ENZYME III, LACTOSE-SPECIFIC IIA COMPONENT; COMPND 5 EC: 2.7.1.69; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: LACTOCOCCUS LACTIS; SOURCE 3 ORGANISM_TAXID: 1358; SOURCE 4 STRAIN: MG1820; SOURCE 5 GENE: LACF; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS ENZYME IIA, HELICAL BUNDLES, PTS, TRANSFERASE, PHOSPHOTRANSFERASE KEYWDS 2 SYSTEM EXPDTA X-RAY DIFFRACTION AUTHOR P.SLIZ,R.ENGELMANN,W.HENGSTENBERG,E.F.PAI REVDAT 3 07-FEB-24 1E2A 1 REMARK LINK REVDAT 2 24-FEB-09 1E2A 1 VERSN REVDAT 1 29-APR-98 1E2A 0 JRNL AUTH P.SLIZ,R.ENGELMANN,W.HENGSTENBERG,E.F.PAI JRNL TITL THE STRUCTURE OF ENZYME IIALACTOSE FROM LACTOCOCCUS LACTIS JRNL TITL 2 REVEALS A NEW FOLD AND POINTS TO POSSIBLE INTERACTIONS OF A JRNL TITL 3 MULTICOMPONENT SYSTEM. JRNL REF STRUCTURE V. 5 775 1997 JRNL REFN ISSN 0969-2126 JRNL PMID 9261069 JRNL DOI 10.1016/S0969-2126(97)00232-3 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.SLIZ,K.H.SCHORTER,W.M.DE VOS,E.F.PAI REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY STRUCTURAL STUDIES OF REMARK 1 TITL 2 LACTOSE-SPECIFIC ENZYME IIA FROM LACTOCOCCUS LACTIS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 52 1199 1996 REMARK 1 REFN ISSN 0907-4449 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.7 REMARK 3 NUMBER OF REFLECTIONS : 15009 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 SET) : 0.190 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2340 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 56 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 0.930 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 16.94 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.037 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1E2A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172974. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-OCT-95 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.4 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X31 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.94 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16632 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.7 REMARK 200 DATA REDUNDANCY : 6.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08600 REMARK 200 FOR THE DATA SET : 18.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.40 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.36000 REMARK 200 FOR SHELL : 4.900 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SINGLE ISOMORPHOUS REMARK 200 REPLACEMENT AND ANOMALOUS SCATTERING (SIRAS) REMARK 200 SOFTWARE USED: PHASES, X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.48 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALS WERE OBTAINED BY THE SITTING REMARK 280 -DROP VAPOR-DIFFUSION TECHNIQUE AT ROOM TEMPERATURE USING A REMARK 280 SMALL INCREASE IN THE PHOSPHATE BUFFER. THE PROTEIN SOLUTION WAS REMARK 280 MIXED WITH 0.15M NA/K PHOSPHATE BUFFER, PH 6.4. THE LARGEST REMARK 280 CRYSTALS APPEARED IN CIRCA A WEEK., VAPOR DIFFUSION - SITTING REMARK 280 DROP, VAPOR DIFFUSION, SITTING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 41.20000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 45.45000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 45.45000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 20.60000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 45.45000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 45.45000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 61.80000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 45.45000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 45.45000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 20.60000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 45.45000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 45.45000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 61.80000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 41.20000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 6540 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12140 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -55.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 14020 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23160 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -103.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 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 103 REMARK 465 ALA A 104 REMARK 465 LYS A 105 REMARK 465 GLY B 103 REMARK 465 ALA B 104 REMARK 465 LYS B 105 REMARK 465 GLY C 103 REMARK 465 ALA C 104 REMARK 465 LYS C 105 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 NE ARG A 21 O HOH A 135 2.17 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 C 106 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASP A 81 OD1 REMARK 620 2 HOH A 128 O 67.2 REMARK 620 3 HOH A 129 O 73.9 94.3 REMARK 620 4 ASP B 81 OD1 75.4 77.0 149.0 REMARK 620 5 HOH B 116 O 160.3 114.3 124.4 85.7 REMARK 620 6 ASP C 81 OD1 74.9 140.1 86.7 81.9 97.2 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG C 106 DBREF 1E2A A 1 105 UNP P23532 PTLA_LACLA 1 105 DBREF 1E2A B 1 105 UNP P23532 PTLA_LACLA 1 105 DBREF 1E2A C 1 105 UNP P23532 PTLA_LACLA 1 105 SEQRES 1 A 105 MET ASN ARG GLU GLU MET THR LEU LEU GLY PHE GLU ILE SEQRES 2 A 105 VAL ALA TYR ALA GLY ASP ALA ARG SER LYS LEU LEU GLU SEQRES 3 A 105 ALA LEU LYS ALA ALA GLU ASN GLY ASP PHE ALA LYS ALA SEQRES 4 A 105 ASP SER LEU VAL VAL GLU ALA GLY SER CYS ILE ALA GLU SEQRES 5 A 105 ALA HIS SER SER GLN THR GLY MET LEU ALA ARG GLU ALA SEQRES 6 A 105 SER GLY GLU GLU LEU PRO TYR SER VAL THR MET MET HIS SEQRES 7 A 105 GLY GLN ASP HIS LEU MET THR THR ILE LEU LEU LYS ASP SEQRES 8 A 105 VAL ILE HIS HIS LEU ILE GLU LEU TYR LYS ARG GLY ALA SEQRES 9 A 105 LYS SEQRES 1 B 105 MET ASN ARG GLU GLU MET THR LEU LEU GLY PHE GLU ILE SEQRES 2 B 105 VAL ALA TYR ALA GLY ASP ALA ARG SER LYS LEU LEU GLU SEQRES 3 B 105 ALA LEU LYS ALA ALA GLU ASN GLY ASP PHE ALA LYS ALA SEQRES 4 B 105 ASP SER LEU VAL VAL GLU ALA GLY SER CYS ILE ALA GLU SEQRES 5 B 105 ALA HIS SER SER GLN THR GLY MET LEU ALA ARG GLU ALA SEQRES 6 B 105 SER GLY GLU GLU LEU PRO TYR SER VAL THR MET MET HIS SEQRES 7 B 105 GLY GLN ASP HIS LEU MET THR THR ILE LEU LEU LYS ASP SEQRES 8 B 105 VAL ILE HIS HIS LEU ILE GLU LEU TYR LYS ARG GLY ALA SEQRES 9 B 105 LYS SEQRES 1 C 105 MET ASN ARG GLU GLU MET THR LEU LEU GLY PHE GLU ILE SEQRES 2 C 105 VAL ALA TYR ALA GLY ASP ALA ARG SER LYS LEU LEU GLU SEQRES 3 C 105 ALA LEU LYS ALA ALA GLU ASN GLY ASP PHE ALA LYS ALA SEQRES 4 C 105 ASP SER LEU VAL VAL GLU ALA GLY SER CYS ILE ALA GLU SEQRES 5 C 105 ALA HIS SER SER GLN THR GLY MET LEU ALA ARG GLU ALA SEQRES 6 C 105 SER GLY GLU GLU LEU PRO TYR SER VAL THR MET MET HIS SEQRES 7 C 105 GLY GLN ASP HIS LEU MET THR THR ILE LEU LEU LYS ASP SEQRES 8 C 105 VAL ILE HIS HIS LEU ILE GLU LEU TYR LYS ARG GLY ALA SEQRES 9 C 105 LYS HET MG C 106 1 HETNAM MG MAGNESIUM ION FORMUL 4 MG MG 2+ FORMUL 5 HOH *56(H2 O) HELIX 1 1 ARG A 3 ASN A 33 1 31 HELIX 2 2 PHE A 36 ALA A 65 1 30 HELIX 3 3 VAL A 74 TYR A 100 1 27 HELIX 4 4 ARG B 3 GLU B 32 1 30 HELIX 5 5 PHE B 36 ALA B 65 1 30 HELIX 6 6 VAL B 74 TYR B 100 1 27 HELIX 7 7 ARG C 3 GLU C 32 1 30 HELIX 8 8 PHE C 36 ALA C 65 1 30 HELIX 9 9 VAL C 74 TYR C 100 1 27 LINK OD1 ASP A 81 MG MG C 106 1555 1555 2.46 LINK O HOH A 128 MG MG C 106 1555 1555 1.99 LINK O HOH A 129 MG MG C 106 1555 1555 2.04 LINK OD1 ASP B 81 MG MG C 106 1555 1555 2.30 LINK O HOH B 116 MG MG C 106 1555 1555 2.07 LINK OD1 ASP C 81 MG MG C 106 1555 1555 2.32 SITE 1 AC1 6 ASP A 81 HOH A 128 HOH A 129 ASP B 81 SITE 2 AC1 6 HOH B 116 ASP C 81 CRYST1 90.900 90.900 82.400 90.00 90.00 90.00 P 41 21 2 24 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 0.011001 0.000000 0.000000 0.00000 SCALE2 0.000000 0.011001 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012136 0.00000 MTRIX1 1 0.070400 -0.066800 0.995300 32.89130 1 MTRIX2 1 0.984600 -0.155700 -0.080100 -21.32010 1 MTRIX3 1 0.160300 0.985500 0.054800 -16.53590 1 MTRIX1 2 0.072500 0.985100 0.156100 21.11480 1 MTRIX2 2 -0.065000 -0.151500 0.986300 14.85870 1 MTRIX3 2 0.995200 -0.081700 0.053100 -33.35130 1 MTRIX1 3 0.094600 -0.094700 0.991000 32.37990 1 MTRIX2 3 0.987200 -0.119300 -0.105700 -21.90910 1 MTRIX3 3 0.128200 0.988300 0.082200 -15.14050 1