HEADER TRANSFERASE 31-JUL-98 1BOO TITLE PVUII DNA METHYLTRANSFERASE (CYTOSINE-N4-SPECIFIC) COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEIN (N-4 CYTOSINE-SPECIFIC METHYLTRANSFERASE PVU II); COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: STARTING FROM THE INTERNAL TRANSLATION INITIATOR AT MET14; COMPND 5 EC: 2.1.1.113; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PROTEUS VULGARIS; SOURCE 3 ORGANISM_TAXID: 585; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI STR. K-12 SUBSTR. DH10B; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 316385; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: DH10B KEYWDS TYPE II DNA-(CYTOSINE N4) METHYLTRANSFERASE, AMINO METHYLATION, KEYWDS 2 SELENOMETHIONINE, MULTIWAVELENGTH ANOMALOUS DIFFRACTION, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR W.GONG,M.O'GARA,R.M.BLUMENTHAL,X.CHENG REVDAT 5 21-DEC-22 1BOO 1 REMARK SEQADV REVDAT 4 24-FEB-09 1BOO 1 VERSN REVDAT 3 01-APR-03 1BOO 1 JRNL REVDAT 2 22-DEC-99 1BOO 4 HEADER COMPND REMARK JRNL REVDAT 2 2 4 ATOM SOURCE SEQRES REVDAT 1 12-AUG-98 1BOO 0 JRNL AUTH W.GONG,M.O'GARA,R.M.BLUMENTHAL,X.CHENG JRNL TITL STRUCTURE OF PVU II DNA-(CYTOSINE N4) METHYLTRANSFERASE, AN JRNL TITL 2 EXAMPLE OF DOMAIN PERMUTATION AND PROTEIN FOLD ASSIGNMENT. JRNL REF NUCLEIC ACIDS RES. V. 25 2702 1997 JRNL REFN ISSN 0305-1048 JRNL PMID 9207015 JRNL DOI 10.1093/NAR/25.14.2702 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.O'GARA,G.M.ADAMS,W.GONG,R.KOBAYASHI,R.M.BLUMENTHAL,X.CHENG REMARK 1 TITL EXPRESSION, PURIFICATION, MASS SPECTROMETRY, CRYSTALLIZATION REMARK 1 TITL 2 AND MULTIWAVELENGTH ANOMALOUS DIFFRACTION OF SELENOMETHIONYL REMARK 1 TITL 3 PVUII DNA METHYLTRANSFERASE (CYTOSINE-N4-SPECIFIC) REMARK 1 REF EUR.J.BIOCHEM. V. 247 1009 1997 REMARK 1 REFN ISSN 0014-2956 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 14886 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.193 REMARK 3 FREE R VALUE : 0.283 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.000 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 : 2219 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 26 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : 0.020 REMARK 3 BOND ANGLES (DEGREES) : 2.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 2.200 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 1BOO COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB. REMARK 100 THE DEPOSITION ID IS D_1000008126. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 289 REMARK 200 PH : 7.2 REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.98233,0.98211,0.92,1.072 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS 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 : 14886 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 3.680 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.85 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.5 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.22600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: PHASES REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES PH 7.2, 0.2 M SODIUM REMARK 280 ACETATE 20% POLYETHYLENE GLYCOL 400 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 56.20000 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 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 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 14 REMARK 465 LEU A 15 REMARK 465 PRO A 179 REMARK 465 TYR A 180 REMARK 465 SER A 181 REMARK 465 ASP A 182 REMARK 465 ARG A 183 REMARK 465 MET A 184 REMARK 465 LYS A 185 REMARK 465 LYS A 186 REMARK 465 LEU A 187 REMARK 465 ILE A 188 REMARK 465 GLU A 189 REMARK 465 ASP A 190 REMARK 465 PRO A 191 REMARK 465 ASP A 192 REMARK 465 LYS A 193 REMARK 465 PHE A 194 REMARK 465 TYR A 195 REMARK 465 THR A 196 REMARK 465 PRO A 197 REMARK 465 LYS A 198 REMARK 465 THR A 199 REMARK 465 ARG A 200 REMARK 465 PRO A 201 REMARK 465 SER A 202 REMARK 465 GLY A 203 REMARK 465 HIS A 204 REMARK 465 ASP A 205 REMARK 465 ILE A 206 REMARK 465 GLY A 207 REMARK 465 LYS A 208 REMARK 465 SER A 209 REMARK 465 PHE A 210 REMARK 465 SER A 211 REMARK 465 LYS A 212 REMARK 465 ASP A 213 REMARK 465 ASN A 214 REMARK 465 GLY A 215 REMARK 465 GLY A 216 REMARK 465 ILE A 336 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 GLN A 59 CG CD OE1 NE2 REMARK 470 ARG A 60 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 61 CG CD CE NZ REMARK 470 LYS A 62 CG CD CE NZ REMARK 470 GLU A 63 CG CD OE1 OE2 REMARK 470 TYR A 64 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 ASN A 66 CG OD1 ND2 REMARK 470 GLU A 68 CG CD OE1 OE2 REMARK 470 GLU A 71 CG CD OE1 OE2 REMARK 470 LEU A 139 CG CD1 CD2 REMARK 470 GLN A 233 CG CD OE1 NE2 REMARK 470 LYS A 239 CG CD CE NZ REMARK 470 LYS A 244 CG CD CE NZ REMARK 470 ASP A 309 CG OD1 OD2 REMARK 470 ASN A 310 CG OD1 ND2 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 MET A 30 CG - SD - CE ANGL. DEV. = 9.8 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 PRO A 43 -166.40 -55.08 REMARK 500 LEU A 58 70.85 27.15 REMARK 500 GLN A 59 -125.41 89.99 REMARK 500 ARG A 60 160.05 151.98 REMARK 500 LYS A 61 102.67 -22.61 REMARK 500 LYS A 62 113.48 167.02 REMARK 500 TYR A 64 -76.91 115.77 REMARK 500 LEU A 67 86.58 171.82 REMARK 500 GLU A 68 -42.98 -22.17 REMARK 500 GLU A 129 139.10 -171.98 REMARK 500 PRO A 140 -5.94 -56.07 REMARK 500 VAL A 146 -82.97 -87.20 REMARK 500 LYS A 148 -80.97 -75.94 REMARK 500 ASN A 231 -64.29 -125.76 REMARK 500 LEU A 254 -70.11 -68.36 REMARK 500 THR A 279 -71.34 -55.70 REMARK 500 LEU A 308 -168.32 -120.85 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 SAH A 401 DBREF 1BOO A 14 336 UNP P11409 MTP2_PROVU 14 336 SEQADV 1BOO GLU A 44 UNP P11409 ASP 44 CONFLICT SEQRES 1 A 323 MET LEU ASN PHE GLY LYS LYS PRO ALA TYR THR THR SER SEQRES 2 A 323 ASN GLY SER MET TYR ILE GLY ASP SER LEU GLU LEU LEU SEQRES 3 A 323 GLU SER PHE PRO GLU GLU SER ILE SER LEU VAL MET THR SEQRES 4 A 323 SER PRO PRO PHE ALA LEU GLN ARG LYS LYS GLU TYR GLY SEQRES 5 A 323 ASN LEU GLU GLN HIS GLU TYR VAL ASP TRP PHE LEU SER SEQRES 6 A 323 PHE ALA LYS VAL VAL ASN LYS LYS LEU LYS PRO ASP GLY SEQRES 7 A 323 SER PHE VAL VAL ASP PHE GLY GLY ALA TYR MET LYS GLY SEQRES 8 A 323 VAL PRO ALA ARG SER ILE TYR ASN PHE ARG VAL LEU ILE SEQRES 9 A 323 ARG MET ILE ASP GLU VAL GLY PHE PHE LEU ALA GLU ASP SEQRES 10 A 323 PHE TYR TRP PHE ASN PRO SER LYS LEU PRO SER PRO ILE SEQRES 11 A 323 GLU TRP VAL ASN LYS ARG LYS ILE ARG VAL LYS ASP ALA SEQRES 12 A 323 VAL ASN THR VAL TRP TRP PHE SER LYS THR GLU TRP PRO SEQRES 13 A 323 LYS SER ASP ILE THR LYS VAL LEU ALA PRO TYR SER ASP SEQRES 14 A 323 ARG MET LYS LYS LEU ILE GLU ASP PRO ASP LYS PHE TYR SEQRES 15 A 323 THR PRO LYS THR ARG PRO SER GLY HIS ASP ILE GLY LYS SEQRES 16 A 323 SER PHE SER LYS ASP ASN GLY GLY SER ILE PRO PRO ASN SEQRES 17 A 323 LEU LEU GLN ILE SER ASN SER GLU SER ASN GLY GLN TYR SEQRES 18 A 323 LEU ALA ASN CYS LYS LEU MET GLY ILE LYS ALA HIS PRO SEQRES 19 A 323 ALA ARG PHE PRO ALA LYS LEU PRO GLU PHE PHE ILE ARG SEQRES 20 A 323 MET LEU THR GLU PRO ASP ASP LEU VAL VAL ASP ILE PHE SEQRES 21 A 323 GLY GLY SER ASN THR THR GLY LEU VAL ALA GLU ARG GLU SEQRES 22 A 323 SER ARG LYS TRP ILE SER PHE GLU MET LYS PRO GLU TYR SEQRES 23 A 323 VAL ALA ALA SER ALA PHE ARG PHE LEU ASP ASN ASN ILE SEQRES 24 A 323 SER GLU GLU LYS ILE THR ASP ILE TYR ASN ARG ILE LEU SEQRES 25 A 323 ASN GLY GLU SER LEU ASP LEU ASN SER ILE ILE HET SAH A 401 26 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE FORMUL 2 SAH C14 H20 N6 O5 S HELIX 1 HC ASP A 34 SER A 41 1 8 HELIX 2 HZ LYS A 253 LEU A 262 1 10 HELIX 3 HA THR A 278 ARG A 285 1 8 HELIX 4 HB PRO A 297 ALA A 304 1 8 HELIX 5 HB1 GLU A 314 LEU A 325 1 12 SHEET 1 S31 1 TYR A 23 THR A 25 0 SHEET 1 S3 1 GLY A 28 TYR A 31 0 SHEET 1 S4 1 SER A 48 THR A 52 0 SHEET 1 S5 1 GLY A 91 PHE A 97 0 SHEET 1 S6 1 ALA A 128 PHE A 134 0 SHEET 1 S7 1 VAL A 157 SER A 164 0 SHEET 1 S8 1 LEU A 222 ILE A 225 0 SHEET 1 S1 1 LEU A 268 ASP A 271 0 SHEET 1 S2 1 LYS A 289 GLU A 294 0 SHEET 1 S32 1 SER A 329 LEU A 332 0 SHEET 1 S51 1 TYR A 101 MET A 102 0 SHEET 1 S52 1 VAL A 105 ALA A 107 0 SITE 1 AC1 18 GLY A 33 ASP A 34 SER A 35 SER A 53 SITE 2 AC1 18 PRO A 55 HIS A 246 ALA A 248 ARG A 249 SITE 3 AC1 18 PHE A 250 ILE A 272 PHE A 273 GLY A 274 SITE 4 AC1 18 GLY A 275 SER A 276 THR A 278 GLU A 294 SITE 5 AC1 18 MET A 295 TYR A 299 CRYST1 48.800 112.400 59.300 90.00 109.20 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 0.020492 0.000000 0.007136 0.00000 SCALE2 0.000000 0.008897 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017857 0.00000 MTRIX1 1 0.697500 -0.604100 0.385500 19.35190 1 MTRIX2 1 -0.601600 -0.785900 -0.143000 106.80000 1 MTRIX3 1 0.389300 -0.132200 -0.911600 81.29650 1