HEADER HYDROLASE 15-JAN-09 3FVJ TITLE CRYSTAL STRUCTURE OF PHOSPHOLIPASE A2 1B CRYSTALLIZED IN THE PRESENCE TITLE 2 OF OCTYL SULFATE COMPND MOL_ID: 1; COMPND 2 MOLECULE: PHOSPHOLIPASE A2, MAJOR ISOENZYME; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PHOSPHATIDYLCHOLINE 2-ACYLHYDROLASE, GROUP IB PHOSPHOLIPASE COMPND 5 A2; COMPND 6 EC: 3.1.1.4; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIGS,SWINE,WILD BOAR; SOURCE 4 ORGANISM_TAXID: 9823; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI KEYWDS PHOSPHOLIPASE A2, PLA2-1B, OCTYL SULFATE BINDING, HYDROLASE, LIPID KEYWDS 2 DEGRADATION, LIPOPROTEIN, METAL-BINDING, PALMITATE, PYRROLIDONE KEYWDS 3 CARBOXYLIC ACID, SECRETED EXPDTA X-RAY DIFFRACTION AUTHOR Y.H.PAN REVDAT 4 27-NOV-24 3FVJ 1 REMARK REVDAT 3 06-SEP-23 3FVJ 1 REMARK REVDAT 2 11-AUG-10 3FVJ 1 JRNL REVDAT 1 16-MAR-10 3FVJ 0 JRNL AUTH Y.H.PAN,B.J.BAHNSON JRNL TITL STRUCTURE OF A PREMICELLAR COMPLEX OF ALKYL SULFATES WITH JRNL TITL 2 THE INTERFACIAL BINDING SURFACES OF FOUR SUBUNITS OF JRNL TITL 3 PHOSPHOLIPASE A2. JRNL REF BIOCHIM.BIOPHYS.ACTA V.1804 1443 2010 JRNL REFN ISSN 0006-3002 JRNL PMID 20302975 JRNL DOI 10.1016/J.BBAPAP.2010.03.004 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.87 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 501455.780 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 93.8 REMARK 3 NUMBER OF REFLECTIONS : 8221 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) : 0.201 REMARK 3 FREE R VALUE : 0.249 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.400 REMARK 3 FREE R VALUE TEST SET COUNT : 445 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.012 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.44 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 88.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1182 REMARK 3 BIN R VALUE (WORKING SET) : 0.2570 REMARK 3 BIN FREE R VALUE : 0.2720 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 73 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.032 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 971 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 74 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 43.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.90 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.25 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.35 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.28 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.30 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.780 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.140 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.910 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.980 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.020 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 39.53 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3FVJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-JAN-09. REMARK 100 THE DEPOSITION ID IS D_1000051094. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-APR-04 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 5.6 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 RU300 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI MIRROR REMARK 200 OPTICS : MORRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8664 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 30.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 11.00 REMARK 200 R MERGE (I) : 0.06300 REMARK 200 R SYM (I) : 0.04600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 46.3000 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) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 11.00 REMARK 200 R MERGE FOR SHELL (I) : 0.52200 REMARK 200 R SYM FOR SHELL (I) : 0.46900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: 1FXF REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 63.64 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M SODIUM CITRATE, 20% V/V ISO REMARK 280 -PROPANOL, 20% W/V PEG 4000, PH 5.6, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 22.94667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 45.89333 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 45.89333 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 22.94667 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1840 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13110 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -76.0 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 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 45.89333 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC 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 CA CA A 126 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 198 LIES ON A SPECIAL POSITION. 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 PRO A 18 -67.34 -26.28 REMARK 500 VAL A 65 16.36 58.41 REMARK 500 THR A 80 -14.98 71.42 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 CRYSTALLIZATION SOLUTION CONTAINS OCTYL SULFATE, BUT NO ORDERED REMARK 600 OCTYLE SULFATE IS FOUND IN THE DETERMINED PROTEIN STRUCTURE. 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 125 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 TYR A 28 O REMARK 620 2 GLY A 30 O 94.7 REMARK 620 3 GLY A 32 O 100.3 92.5 REMARK 620 4 ASP A 49 OD1 106.3 117.2 137.5 REMARK 620 5 ASP A 49 OD2 113.4 150.3 91.5 47.7 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 126 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 71 OE2 REMARK 620 2 SER A 72 O 89.3 REMARK 620 3 GLU A 92 OE1 93.6 95.4 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 CA A 125 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 126 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3FVI RELATED DB: PDB REMARK 900 THE SAME PROTEIN COMPLEXED WITH OCTYL SULFATES DBREF 3FVJ A 1 124 UNP P00592 PA21B_PIG 23 146 SEQRES 1 A 124 ALA LEU TRP GLN PHE ARG SER MET ILE LYS CYS ALA ILE SEQRES 2 A 124 PRO GLY SER HIS PRO LEU MET ASP PHE ASN ASN TYR GLY SEQRES 3 A 124 CYS TYR CYS GLY LEU GLY GLY SER GLY THR PRO VAL ASP SEQRES 4 A 124 GLU LEU ASP ARG CYS CYS GLU THR HIS ASP ASN CYS TYR SEQRES 5 A 124 ARG ASP ALA LYS ASN LEU ASP SER CYS LYS PHE LEU VAL SEQRES 6 A 124 ASP ASN PRO TYR THR GLU SER TYR SER TYR SER CYS SER SEQRES 7 A 124 ASN THR GLU ILE THR CYS ASN SER LYS ASN ASN ALA CYS SEQRES 8 A 124 GLU ALA PHE ILE CYS ASN CYS ASP ARG ASN ALA ALA ILE SEQRES 9 A 124 CYS PHE SER LYS ALA PRO TYR ASN LYS GLU HIS LYS ASN SEQRES 10 A 124 LEU ASP THR LYS LYS TYR CYS HET CA A 125 1 HET CA A 126 1 HET CL A 127 1 HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION FORMUL 2 CA 2(CA 2+) FORMUL 4 CL CL 1- FORMUL 5 HOH *74(H2 O) HELIX 1 1 ALA A 1 ILE A 13 1 13 HELIX 2 2 HIS A 17 ASN A 23 1 7 HELIX 3 3 ASP A 39 ASN A 57 1 19 HELIX 4 4 PHE A 63 GLU A 71 5 9 HELIX 5 5 ASN A 89 ALA A 109 1 21 HELIX 6 6 ASN A 112 LYS A 116 5 5 HELIX 7 7 ASP A 119 CYS A 124 1 6 SHEET 1 A 2 TYR A 75 SER A 78 0 SHEET 2 A 2 GLU A 81 CYS A 84 -1 O GLU A 81 N SER A 78 SSBOND 1 CYS A 11 CYS A 77 1555 1555 2.03 SSBOND 2 CYS A 27 CYS A 124 1555 1555 2.03 SSBOND 3 CYS A 29 CYS A 45 1555 1555 2.03 SSBOND 4 CYS A 44 CYS A 105 1555 1555 2.03 SSBOND 5 CYS A 51 CYS A 98 1555 1555 2.04 SSBOND 6 CYS A 61 CYS A 91 1555 1555 2.03 SSBOND 7 CYS A 84 CYS A 96 1555 1555 2.05 LINK O TYR A 28 CA CA A 125 1555 1555 2.32 LINK O GLY A 30 CA CA A 125 1555 1555 2.48 LINK O GLY A 32 CA CA A 125 1555 1555 2.66 LINK OD1 ASP A 49 CA CA A 125 1555 1555 2.94 LINK OD2 ASP A 49 CA CA A 125 1555 1555 2.31 LINK OE2 GLU A 71 CA CA A 126 1555 1555 2.32 LINK O SER A 72 CA CA A 126 1555 1555 2.27 LINK OE1 GLU A 92 CA CA A 126 1555 1555 2.47 SITE 1 AC1 4 TYR A 28 GLY A 30 GLY A 32 ASP A 49 SITE 1 AC2 3 GLU A 71 SER A 72 GLU A 92 CRYST1 69.064 69.064 68.840 90.00 90.00 120.00 P 31 2 1 6 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 0.014479 0.008360 0.000000 0.00000 SCALE2 0.000000 0.016719 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014526 0.00000