HEADER TRANSFERASE 27-MAR-99 1CG6 TITLE STRUCTURE OF HUMAN 5'-DEOXY-5'-METHYLTHIOADENOSINE PHOSPHORYLASE TITLE 2 COMPLEXED WITH 5'-DEOXY-5'-METHYLTHIOADENOSINE AND SULFATE AT 1.7 A TITLE 3 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (5'-DEOXY-5'-METHYLTHIOADENOSINE PHOSPHORYLASE); COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MTA PHOSPHORYLASE, MTAP; COMPND 5 EC: 2.4.2.28; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES; COMPND 8 OTHER_DETAILS: COMPLEXED WITH 5'-DEOXY-5'-METHYLTHIOADENOSINE AND COMPND 9 SULFATE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 TISSUE: PLACENTA; SOURCE 6 CELLULAR_LOCATION: CYTOPLASM; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_CELLULAR_LOCATION: CYTOPLASM; SOURCE 11 EXPRESSION_SYSTEM_VECTOR: PET-28A; SOURCE 12 OTHER_DETAILS: MTAP CDNA WAS ISOLATED FROM A HUMAN PLACENTA CDNA SOURCE 13 LIBRARY AND EXPRESSED IN E. COLI KEYWDS METHYLTHIOADENOSINE PHOSPHORYLASE, PURINE NUCLEOSIDE PHOSPHORYLASE, KEYWDS 2 PURINE SALVAGE, METHYLTHIOADENOSINE, SULFATE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR T.C.APPLEBY,M.D.ERION,S.E.EALICK REVDAT 5 27-DEC-23 1CG6 1 REMARK SEQADV REVDAT 4 13-JUL-11 1CG6 1 VERSN REVDAT 3 24-FEB-09 1CG6 1 VERSN REVDAT 2 23-MAY-00 1CG6 1 REMARK REVDAT 1 05-JUL-99 1CG6 0 JRNL AUTH T.C.APPLEBY,M.D.ERION,S.E.EALICK JRNL TITL THE STRUCTURE OF HUMAN 5'-DEOXY-5'-METHYLTHIOADENOSINE JRNL TITL 2 PHOSPHORYLASE AT 1.7 A RESOLUTION PROVIDES INSIGHTS INTO JRNL TITL 3 SUBSTRATE BINDING AND CATALYSIS. JRNL REF STRUCTURE FOLD.DES. V. 7 629 1999 JRNL REFN ISSN 0969-2126 JRNL PMID 10404592 JRNL DOI 10.1016/S0969-2126(99)80084-7 REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.6 REMARK 3 NUMBER OF REFLECTIONS : 41325 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) : 0.202 REMARK 3 FREE R VALUE : 0.225 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.100 REMARK 3 FREE R VALUE TEST SET COUNT : 4174 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.003 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.78 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4388 REMARK 3 BIN R VALUE (WORKING SET) : 0.2870 REMARK 3 BIN FREE R VALUE : 0.2990 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.60 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 467 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.014 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2066 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 25 REMARK 3 SOLVENT ATOMS : 153 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.20 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : NULL 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) : 0.22 REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.249 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.170 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CG6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-MAR-99. REMARK 100 THE DEPOSITION ID IS D_1000000743. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUL-97 REMARK 200 TEMPERATURE (KELVIN) : 93 REMARK 200 PH : 7.4 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.919 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 42292 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.8 REMARK 200 DATA REDUNDANCY : 6.900 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 5.30000 REMARK 200 FOR THE DATA SET : 9.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.79 REMARK 200 COMPLETENESS FOR SHELL (%) : 93.2 REMARK 200 DATA REDUNDANCY IN SHELL : 6.00 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 10.6000 REMARK 200 FOR SHELL : 6.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 59.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.00 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 12% (W/V) PEG 6000, 25% (V/V) ETHYLENE REMARK 280 GLYCOL, 0.2M TRIS-HCL PH 7.8, 0.002M DTT, PH 7.4 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 3 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 REMARK 290 3555 -X+Y,-X,Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z REMARK 290 6555 -X,-X+Y,-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 -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 0.00000 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 0.00000 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 0.00000 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 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 9350 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 30010 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -122.0 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 -0.500000 -0.866025 0.000000 122.83000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 -0.500000 0.866025 0.000000 61.41500 REMARK 350 BIOMT2 3 -0.866025 -0.500000 0.000000 106.37390 REMARK 350 BIOMT3 3 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 MET A 1 REMARK 465 ALA A 2 REMARK 465 SER A 3 REMARK 465 GLY A 4 REMARK 465 THR A 5 REMARK 465 THR A 6 REMARK 465 THR A 7 REMARK 465 THR A 8 REMARK 465 LYS A 225 REMARK 465 GLU A 226 REMARK 465 HIS A 227 REMARK 465 GLU A 228 REMARK 465 GLU A 229 REMARK 465 ARG A 282 REMARK 465 HIS A 283 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 GLU A 24 2.68 -66.79 REMARK 500 LYS A 51 -119.89 63.94 REMARK 500 HIS A 65 73.81 47.54 REMARK 500 THR A 118 -36.18 -132.26 REMARK 500 SER A 128 16.15 -142.07 REMARK 500 ASP A 222 -122.95 52.71 REMARK 500 CYS A 223 13.66 -142.81 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 295 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MTA A 292 DBREF 1CG6 A 1 283 UNP Q13126 MTAP_HUMAN 1 283 SEQADV 1CG6 VAL A 56 UNP Q13126 ILE 56 VARIANT SEQRES 1 A 283 MET ALA SER GLY THR THR THR THR ALA VAL LYS ILE GLY SEQRES 2 A 283 ILE ILE GLY GLY THR GLY LEU ASP ASP PRO GLU ILE LEU SEQRES 3 A 283 GLU GLY ARG THR GLU LYS TYR VAL ASP THR PRO PHE GLY SEQRES 4 A 283 LYS PRO SER ASP ALA LEU ILE LEU GLY LYS ILE LYS ASN SEQRES 5 A 283 VAL ASP CYS VAL LEU LEU ALA ARG HIS GLY ARG GLN HIS SEQRES 6 A 283 THR ILE MET PRO SER LYS VAL ASN TYR GLN ALA ASN ILE SEQRES 7 A 283 TRP ALA LEU LYS GLU GLU GLY CYS THR HIS VAL ILE VAL SEQRES 8 A 283 THR THR ALA CYS GLY SER LEU ARG GLU GLU ILE GLN PRO SEQRES 9 A 283 GLY ASP ILE VAL ILE ILE ASP GLN PHE ILE ASP ARG THR SEQRES 10 A 283 THR MET ARG PRO GLN SER PHE TYR ASP GLY SER HIS SER SEQRES 11 A 283 CYS ALA ARG GLY VAL CYS HIS ILE PRO MET ALA GLU PRO SEQRES 12 A 283 PHE CYS PRO LYS THR ARG GLU VAL LEU ILE GLU THR ALA SEQRES 13 A 283 LYS LYS LEU GLY LEU ARG CYS HIS SER LYS GLY THR MET SEQRES 14 A 283 VAL THR ILE GLU GLY PRO ARG PHE SER SER ARG ALA GLU SEQRES 15 A 283 SER PHE MET PHE ARG THR TRP GLY ALA ASP VAL ILE ASN SEQRES 16 A 283 MET THR THR VAL PRO GLU VAL VAL LEU ALA LYS GLU ALA SEQRES 17 A 283 GLY ILE CYS TYR ALA SER ILE ALA MET ALA THR ASP TYR SEQRES 18 A 283 ASP CYS TRP LYS GLU HIS GLU GLU ALA VAL SER VAL ASP SEQRES 19 A 283 ARG VAL LEU LYS THR LEU LYS GLU ASN ALA ASN LYS ALA SEQRES 20 A 283 LYS SER LEU LEU LEU THR THR ILE PRO GLN ILE GLY SER SEQRES 21 A 283 THR GLU TRP SER GLU THR LEU HIS ASN LEU LYS ASN MET SEQRES 22 A 283 ALA GLN PHE SER VAL LEU LEU PRO ARG HIS HET SO4 A 295 5 HET MTA A 292 20 HETNAM SO4 SULFATE ION HETNAM MTA 5'-DEOXY-5'-METHYLTHIOADENOSINE FORMUL 2 SO4 O4 S 2- FORMUL 3 MTA C11 H15 N5 O3 S FORMUL 4 HOH *153(H2 O) HELIX 1 1 PRO A 23 ILE A 25 5 3 HELIX 2 2 PRO A 69 LYS A 71 5 3 HELIX 3 3 TYR A 74 GLU A 83 1 10 HELIX 4 4 PRO A 146 LYS A 158 1 13 HELIX 5 5 ARG A 180 THR A 188 1 9 HELIX 6 6 THR A 198 GLU A 207 1 10 HELIX 7 7 VAL A 233 SER A 260 1 28 HELIX 8 8 SER A 264 SER A 277 1 14 SHEET 1 A 7 ILE A 107 ILE A 109 0 SHEET 2 A 7 CYS A 211 ASP A 220 -1 N ALA A 216 O VAL A 108 SHEET 3 A 7 HIS A 88 GLY A 96 1 N VAL A 89 O CYS A 211 SHEET 4 A 7 LYS A 11 GLY A 16 1 N GLY A 13 O HIS A 88 SHEET 5 A 7 VAL A 53 ALA A 59 1 N ASP A 54 O ILE A 12 SHEET 6 A 7 LEU A 45 ILE A 50 -1 N ILE A 50 O VAL A 53 SHEET 7 A 7 THR A 30 LYS A 32 -1 N LYS A 32 O LEU A 45 SHEET 1 B 3 GLN A 112 ARG A 116 0 SHEET 2 B 3 THR A 168 ILE A 172 1 N MET A 169 O GLN A 112 SHEET 3 B 3 VAL A 193 ASN A 195 1 N VAL A 193 O VAL A 170 CISPEP 1 GLY A 174 PRO A 175 0 -0.10 CISPEP 2 VAL A 199 PRO A 200 0 0.25 SITE 1 AC1 8 GLY A 17 THR A 18 ARG A 60 HIS A 61 SITE 2 AC1 8 THR A 93 ALA A 94 THR A 197 MTA A 292 SITE 1 AC2 11 ALA A 94 CYS A 95 GLY A 96 PHE A 177 SITE 2 AC2 11 ASN A 195 MET A 196 THR A 219 ASP A 220 SITE 3 AC2 11 ASP A 222 SO4 A 295 HOH A 305 CRYST1 122.830 122.830 45.000 90.00 90.00 120.00 P 3 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 0.008141 0.004700 0.000000 0.00000 SCALE2 0.000000 0.009401 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022222 0.00000