HEADER DNA REPAIR 20-AUG-98 1MUY TITLE CATALYTIC DOMAIN OF MUTY FROM ESCHERICHIA COLI COMPND MOL_ID: 1; COMPND 2 MOLECULE: ADENINE GLYCOSYLASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: CATALYTIC DOMAIN; COMPND 5 EC: 3.2.2.- SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562 KEYWDS DNA REPAIR, DNA G.A MISMATCH REPAIR ENZYME, GLYCOSIDASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR Y.GUAN,J.A.TAINER REVDAT 6 14-FEB-24 1MUY 1 REMARK REVDAT 5 13-JUL-11 1MUY 1 VERSN REVDAT 4 31-MAR-09 1MUY 1 LINK ATOM CONECT REVDAT 3 24-FEB-09 1MUY 1 VERSN REVDAT 2 01-APR-03 1MUY 1 JRNL REVDAT 1 20-AUG-99 1MUY 0 JRNL AUTH Y.GUAN,R.C.MANUEL,A.S.ARVAI,S.S.PARIKH,C.D.MOL,J.H.MILLER, JRNL AUTH 2 S.LLOYD,J.A.TAINER JRNL TITL MUTY CATALYTIC CORE, MUTANT AND BOUND ADENINE STRUCTURES JRNL TITL 2 DEFINE SPECIFICITY FOR DNA REPAIR ENZYME SUPERFAMILY. JRNL REF NAT.STRUCT.BIOL. V. 5 1058 1998 JRNL REFN ISSN 1072-8368 JRNL PMID 9846876 JRNL DOI 10.1038/4168 REMARK 2 REMARK 2 RESOLUTION. 1.40 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL-97 REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : 0.153 REMARK 3 FREE R VALUE (NO CUTOFF) : 0.231 REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 42039 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1762 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 241 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : 4 REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 ANGLE DISTANCES (A) : 0.027 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : NULL REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1MUY 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_1000175173. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 90 REMARK 200 PH : 8.0 REMARK 200 NUMBER OF CRYSTALS USED : 5 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 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 : 42039 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.0 REMARK 200 DATA REDUNDANCY : 2.500 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05700 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 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: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIRAS REMARK 200 SOFTWARE USED: SHELXL-97 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.39 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.34 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.0 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 41.53000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.47500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 41.53000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 24.47500 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: DIMERIC 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 -37.96951 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 57.64944 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 ASP A 27 CB - CG - OD2 ANGL. DEV. = 7.4 DEGREES REMARK 500 ARG A 58 NE - CZ - NH2 ANGL. DEV. = -5.9 DEGREES REMARK 500 TYR A 82 CB - CG - CD1 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 87 NE - CZ - NH1 ANGL. DEV. = -4.6 DEGREES REMARK 500 ARG A 119 CD - NE - CZ ANGL. DEV. = 22.1 DEGREES REMARK 500 ARG A 119 NE - CZ - NH1 ANGL. DEV. = -6.2 DEGREES REMARK 500 ARG A 119 NE - CZ - NH2 ANGL. DEV. = 7.6 DEGREES REMARK 500 ARG A 143 CD - NE - CZ ANGL. DEV. = 16.2 DEGREES REMARK 500 ARG A 143 NH1 - CZ - NH2 ANGL. DEV. = -6.6 DEGREES REMARK 500 ARG A 143 NE - CZ - NH1 ANGL. DEV. = 5.4 DEGREES REMARK 500 ARG A 147 NE - CZ - NH2 ANGL. DEV. = 5.1 DEGREES REMARK 500 ARG A 179 CD - NE - CZ ANGL. DEV. = 9.7 DEGREES REMARK 500 ARG A 194 NE - CZ - NH1 ANGL. DEV. = 5.0 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 LEU A 137 67.83 -161.01 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 SF4 A 300 FE2 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 192 SG REMARK 620 2 SF4 A 300 S1 118.1 REMARK 620 3 SF4 A 300 S3 111.5 105.8 REMARK 620 4 SF4 A 300 S4 109.0 105.8 105.8 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 300 FE3 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 199 SG REMARK 620 2 SF4 A 300 S1 111.3 REMARK 620 3 SF4 A 300 S2 113.1 108.1 REMARK 620 4 SF4 A 300 S4 120.4 101.5 101.1 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 300 FE1 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 202 SG REMARK 620 2 SF4 A 300 S2 113.6 REMARK 620 3 SF4 A 300 S3 116.2 105.5 REMARK 620 4 SF4 A 300 S4 109.9 104.8 106.0 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 SF4 A 300 FE4 REMARK 620 N RES CSSEQI ATOM REMARK 620 1 CYS A 208 SG REMARK 620 2 SF4 A 300 S1 110.0 REMARK 620 3 SF4 A 300 S2 112.3 108.7 REMARK 620 4 SF4 A 300 S3 120.2 102.4 102.4 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 GOL A 303 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SF4 A 300 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMD A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMD A 302 DBREF 1MUY A 1 225 UNP P17802 MUTY_ECOLI 1 225 SEQRES 1 A 225 MET GLN ALA SER GLN PHE SER ALA GLN VAL LEU ASP TRP SEQRES 2 A 225 TYR ASP LYS TYR GLY ARG LYS THR LEU PRO TRP GLN ILE SEQRES 3 A 225 ASP LYS THR PRO TYR LYS VAL TRP LEU SER GLU VAL MET SEQRES 4 A 225 LEU GLN GLN THR GLN VAL ALA THR VAL ILE PRO TYR PHE SEQRES 5 A 225 GLU ARG PHE MET ALA ARG PHE PRO THR VAL THR ASP LEU SEQRES 6 A 225 ALA ASN ALA PRO LEU ASP GLU VAL LEU HIS LEU TRP THR SEQRES 7 A 225 GLY LEU GLY TYR TYR ALA ARG ALA ARG ASN LEU HIS LYS SEQRES 8 A 225 ALA ALA GLN GLN VAL ALA THR LEU HIS GLY GLY LYS PHE SEQRES 9 A 225 PRO GLU THR PHE GLU GLU VAL ALA ALA LEU PRO GLY VAL SEQRES 10 A 225 GLY ARG SER THR ALA GLY ALA ILE LEU SER LEU SER LEU SEQRES 11 A 225 GLY LYS HIS PHE PRO ILE LEU ASP GLY ASN VAL LYS ARG SEQRES 12 A 225 VAL LEU ALA ARG CYS TYR ALA VAL SER GLY TRP PRO GLY SEQRES 13 A 225 LYS LYS GLU VAL GLU ASN LYS LEU TRP SER LEU SER GLU SEQRES 14 A 225 GLN VAL THR PRO ALA VAL GLY VAL GLU ARG PHE ASN GLN SEQRES 15 A 225 ALA MET MET ASP LEU GLY ALA MET ILE CYS THR ARG SER SEQRES 16 A 225 LYS PRO LYS CYS SER LEU CYS PRO LEU GLN ASN GLY CYS SEQRES 17 A 225 ILE ALA ALA ALA ASN ASN SER TRP ALA LEU TYR PRO GLY SEQRES 18 A 225 LYS LYS PRO LYS HET GOL A 303 6 HET SF4 A 300 8 HET IMD A 301 5 HET IMD A 302 5 HETNAM GOL GLYCEROL HETNAM SF4 IRON/SULFUR CLUSTER HETNAM IMD IMIDAZOLE HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL FORMUL 2 GOL C3 H8 O3 FORMUL 3 SF4 FE4 S4 FORMUL 4 IMD 2(C3 H5 N2 1+) FORMUL 6 HOH *241(H2 O) HELIX 1 1 ALA A 3 TYR A 17 1 15 HELIX 2 2 PRO A 23 GLN A 25 5 3 HELIX 3 3 PRO A 30 GLN A 41 1 12 HELIX 4 4 VAL A 45 ARG A 58 1 14 HELIX 5 5 VAL A 62 ASN A 67 1 6 HELIX 6 6 LEU A 70 TRP A 77 1 8 HELIX 7 7 TYR A 83 LEU A 99 5 17 HELIX 8 8 PHE A 108 ALA A 112 1 5 HELIX 9 9 ARG A 119 LEU A 130 1 12 HELIX 10 10 GLY A 139 CYS A 148 1 10 HELIX 11 11 LYS A 158 VAL A 171 1 14 HELIX 12 12 VAL A 177 MET A 190 1 14 HELIX 13 13 CYS A 199 LEU A 201 5 3 HELIX 14 14 ILE A 209 ASN A 213 1 5 HELIX 15 15 TRP A 216 LEU A 218 5 3 LINK SG CYS A 192 FE2 SF4 A 300 1555 1555 2.25 LINK SG CYS A 199 FE3 SF4 A 300 1555 1555 2.22 LINK SG CYS A 202 FE1 SF4 A 300 1555 1555 2.28 LINK SG CYS A 208 FE4 SF4 A 300 1555 1555 2.27 CISPEP 1 TYR A 219 PRO A 220 0 -8.87 SITE 1 AC1 10 GLN A 42 THR A 43 ARG A 58 ASP A 64 SITE 2 AC1 10 ASN A 67 ALA A 68 GLY A 79 LEU A 80 SITE 3 AC1 10 GLY A 81 HOH A1061 SITE 1 AC2 6 CYS A 192 CYS A 199 CYS A 202 GLN A 205 SITE 2 AC2 6 CYS A 208 ALA A 211 SITE 1 AC3 8 GLU A 37 SER A 120 THR A 121 ALA A 124 SITE 2 AC3 8 ILE A 136 ASP A 138 MET A 185 HOH A1227 SITE 1 AC4 5 ALA A 3 SER A 7 SER A 152 GLN A 170 SITE 2 AC4 5 VAL A 171 CRYST1 83.060 48.950 69.030 90.00 123.37 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 0.012039 0.000000 0.007930 0.00000 SCALE2 0.000000 0.020429 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017346 0.00000