HEADER TRANSFERASE 10-SEP-24 9GR6 TITLE PSIM IN COMPLEX WITH SAH, HIGH RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PSILOCYBIN SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: PSILOCYBIN BIOSYNTHESIS METHYLTRANSFERASE; COMPND 5 EC: 2.1.1.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSILOCYBE CUBENSIS; SOURCE 3 ORGANISM_TAXID: 181762; SOURCE 4 GENE: PSIM; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008 KEYWDS PSILOCYBIN SYNTHASE, METHYLTRANSFERASE, SAH, ROSSMANN FOLD, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.HUDSPETH,B.RUPP,S.WERTEN REVDAT 1 25-DEC-24 9GR6 0 JRNL AUTH B.RUPP JRNL TITL PSIM IN COMPLEX WITH SAH (TO BE PUBLISHED) JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 0.93 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.20.1_4487 REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : GEOSTD + MONOMER LIBRARY + CDL V1.2 REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.93 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.92 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 221045 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.146 REMARK 3 R VALUE (WORKING SET) : 0.146 REMARK 3 FREE R VALUE : 0.160 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 11084 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 15.9200 - 2.8800 0.99 7344 388 0.1615 0.1717 REMARK 3 2 2.8800 - 2.2900 1.00 7172 382 0.1529 0.1654 REMARK 3 3 2.2900 - 2.0000 1.00 7123 354 0.1371 0.1639 REMARK 3 4 2.0000 - 1.8200 1.00 7093 366 0.1386 0.1440 REMARK 3 5 1.8200 - 1.6900 1.00 7089 338 0.1233 0.1367 REMARK 3 6 1.6900 - 1.5900 1.00 7096 326 0.1124 0.1207 REMARK 3 7 1.5900 - 1.5100 1.00 6984 381 0.1042 0.1233 REMARK 3 8 1.5100 - 1.4400 1.00 7079 360 0.1071 0.1215 REMARK 3 9 1.4400 - 1.3900 1.00 6984 366 0.1146 0.1337 REMARK 3 10 1.3900 - 1.3400 1.00 6990 388 0.1173 0.1450 REMARK 3 11 1.3400 - 1.3000 1.00 7041 346 0.1188 0.1321 REMARK 3 12 1.3000 - 1.2600 1.00 6995 360 0.1190 0.1385 REMARK 3 13 1.2600 - 1.2300 1.00 6974 365 0.1189 0.1350 REMARK 3 14 1.2300 - 1.2000 1.00 6951 392 0.1186 0.1318 REMARK 3 15 1.2000 - 1.1700 1.00 6989 366 0.1182 0.1377 REMARK 3 16 1.1700 - 1.1500 1.00 6959 384 0.1237 0.1364 REMARK 3 17 1.1500 - 1.1200 1.00 6921 370 0.1264 0.1537 REMARK 3 18 1.1200 - 1.1000 1.00 6964 400 0.1572 0.1688 REMARK 3 19 1.1000 - 1.0800 1.00 6929 395 0.1620 0.1737 REMARK 3 20 1.0800 - 1.0600 1.00 6901 405 0.1651 0.1819 REMARK 3 21 1.0600 - 1.0500 1.00 6992 347 0.1769 0.1906 REMARK 3 22 1.0500 - 1.0300 1.00 7008 337 0.1874 0.2080 REMARK 3 23 1.0300 - 1.0200 1.00 6972 348 0.1988 0.2205 REMARK 3 24 1.0200 - 1.0000 1.00 6895 356 0.2200 0.2275 REMARK 3 25 1.0000 - 0.9900 1.00 6977 374 0.2425 0.2489 REMARK 3 26 0.9900 - 0.9700 1.00 6900 413 0.2724 0.2737 REMARK 3 27 0.9700 - 0.9600 1.00 6945 357 0.3065 0.3176 REMARK 3 28 0.9600 - 0.9500 1.00 6987 348 0.3425 0.3558 REMARK 3 29 0.9500 - 0.9400 1.00 6872 377 0.3671 0.3805 REMARK 3 30 0.9400 - 0.9300 0.98 6835 395 0.4132 0.4134 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.10 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.129 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 14.952 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.48 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.90 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 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.016 2871 REMARK 3 ANGLE : 1.449 3936 REMARK 3 CHIRALITY : 0.115 430 REMARK 3 PLANARITY : 0.025 531 REMARK 3 DIHEDRAL : 7.466 436 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 9GR6 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 11-SEP-24. REMARK 100 THE DEPOSITION ID IS D_1292141622. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 27-JUN-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID23-2 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.7293 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X CDTE 9M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2 REMARK 200 DATA SCALING SOFTWARE : DIALS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 221045 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.930 REMARK 200 RESOLUTION RANGE LOW (A) : 15.920 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 13.40 REMARK 200 R MERGE (I) : 0.08639 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 12.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.93 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.96 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 13.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.570 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX 1.20.1_4487 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 8000, 200 MM MGCL2, 36 MM AMP, REMARK 280 100 MM TRIS PH 8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 24.94750 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 42.00650 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.28750 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 42.00650 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.94750 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 39.28750 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 140 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13830 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 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 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 -12 REMARK 465 SER A -11 REMARK 465 HIS A -10 REMARK 465 MET A -9 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 TYR A 78 CB - CG - CD1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ARG A 242 CD - NE - CZ ANGL. DEV. = 10.6 DEGREES REMARK 500 ARG A 242 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG A 242 NE - CZ - NH2 ANGL. DEV. = -3.5 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 165 48.58 -83.88 REMARK 500 ARG A 238 -130.82 46.96 REMARK 500 ARG A 238 -118.81 57.74 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 46 0.11 SIDE CHAIN REMARK 500 ARG A 238 0.08 SIDE CHAIN REMARK 500 ARG A 240 0.09 SIDE CHAIN REMARK 500 ARG A 280 0.23 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A1015 DISTANCE = 5.84 ANGSTROMS REMARK 525 HOH A1016 DISTANCE = 5.91 ANGSTROMS REMARK 525 HOH A1017 DISTANCE = 6.05 ANGSTROMS REMARK 525 HOH A1018 DISTANCE = 6.19 ANGSTROMS REMARK 525 HOH A1019 DISTANCE = 6.20 ANGSTROMS DBREF 9GR6 A 1 309 UNP P0DPA9 PSIM_PSICU 1 309 SEQADV 9GR6 GLY A -12 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 SER A -11 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 HIS A -10 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 MET A -9 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 ALA A -8 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 SER A -7 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 GLU A -6 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 ASN A -5 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 LEU A -4 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 TYR A -3 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 PHE A -2 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 GLN A -1 UNP P0DPA9 EXPRESSION TAG SEQADV 9GR6 GLY A 0 UNP P0DPA9 EXPRESSION TAG SEQRES 1 A 322 GLY SER HIS MET ALA SER GLU ASN LEU TYR PHE GLN GLY SEQRES 2 A 322 MET HIS ILE ARG ASN PRO TYR ARG THR PRO ILE ASP TYR SEQRES 3 A 322 GLN ALA LEU SER GLU ALA PHE PRO PRO LEU LYS PRO PHE SEQRES 4 A 322 VAL SER VAL ASN ALA ASP GLY THR SER SER VAL ASP LEU SEQRES 5 A 322 THR ILE PRO GLU ALA GLN ARG ALA PHE THR ALA ALA LEU SEQRES 6 A 322 LEU HIS ARG ASP PHE GLY LEU THR MET THR ILE PRO GLU SEQRES 7 A 322 ASP ARG LEU CYS PRO THR VAL PRO ASN ARG LEU ASN TYR SEQRES 8 A 322 VAL LEU TRP ILE GLU ASP ILE PHE ASN TYR THR ASN LYS SEQRES 9 A 322 THR LEU GLY LEU SER ASP ASP ARG PRO ILE LYS GLY VAL SEQRES 10 A 322 ASP ILE GLY THR GLY ALA SER ALA ILE TYR PRO MET LEU SEQRES 11 A 322 ALA CYS ALA ARG PHE LYS ALA TRP SER MET VAL GLY THR SEQRES 12 A 322 GLU VAL GLU ARG LYS CYS ILE ASP THR ALA ARG LEU ASN SEQRES 13 A 322 VAL VAL ALA ASN ASN LEU GLN ASP ARG LEU SER ILE LEU SEQRES 14 A 322 GLU THR SER ILE ASP GLY PRO ILE LEU VAL PRO ILE PHE SEQRES 15 A 322 GLU ALA THR GLU GLU TYR GLU TYR GLU PHE THR MET CYS SEQRES 16 A 322 ASN PRO PRO PHE TYR ASP GLY ALA ALA ASP MET GLN THR SEQRES 17 A 322 SER ASP ALA ALA LYS GLY PHE GLY PHE GLY VAL GLY ALA SEQRES 18 A 322 PRO HIS SER GLY THR VAL ILE GLU MET SER THR GLU GLY SEQRES 19 A 322 GLY GLU SER ALA PHE VAL ALA GLN MET VAL ARG GLU SER SEQRES 20 A 322 LEU LYS LEU ARG THR ARG CYS ARG TRP TYR THR SER ASN SEQRES 21 A 322 LEU GLY LYS LEU LYS SER LEU LYS GLU ILE VAL GLY LEU SEQRES 22 A 322 LEU LYS GLU LEU GLU ILE SER ASN TYR ALA ILE ASN GLU SEQRES 23 A 322 TYR VAL GLN GLY SER THR ARG ARG TYR ALA VAL ALA TRP SEQRES 24 A 322 SER PHE THR ASP ILE GLN LEU PRO GLU GLU LEU SER ARG SEQRES 25 A 322 PRO SER ASN PRO GLU LEU SER SER LEU PHE HET SAH A 401 45 HET CL A 402 1 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM CL CHLORIDE ION FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 CL CL 1- FORMUL 4 HOH *519(H2 O) HELIX 1 AA1 ALA A -8 GLN A -1 1 8 HELIX 2 AA2 ASN A 5 THR A 9 5 5 HELIX 3 AA3 ASP A 12 PHE A 20 1 9 HELIX 4 AA4 PRO A 21 PRO A 25 5 5 HELIX 5 AA5 ILE A 41 GLY A 58 1 18 HELIX 6 AA6 THR A 71 GLY A 94 1 24 HELIX 7 AA7 ALA A 112 PHE A 122 1 11 HELIX 8 AA8 GLU A 133 ASN A 147 1 15 HELIX 9 AA9 LEU A 165 ALA A 171 1 7 HELIX 10 AB1 GLY A 189 SER A 196 1 8 HELIX 11 AB2 THR A 213 MET A 217 1 5 HELIX 12 AB3 GLY A 221 LEU A 235 1 15 HELIX 13 AB4 LYS A 236 THR A 239 5 4 HELIX 14 AB5 LYS A 250 LEU A 264 1 15 HELIX 15 AB6 PRO A 294 ARG A 299 1 6 HELIX 16 AB7 ASN A 302 PHE A 309 5 8 SHEET 1 AA1 2 VAL A 27 VAL A 29 0 SHEET 2 AA1 2 SER A 35 VAL A 37 -1 O SER A 36 N SER A 28 SHEET 1 AA2 7 LEU A 153 GLU A 157 0 SHEET 2 AA2 7 TRP A 125 GLU A 131 1 N GLY A 129 O SER A 154 SHEET 3 AA2 7 ILE A 101 ILE A 106 1 N ILE A 101 O SER A 126 SHEET 4 AA2 7 TYR A 177 CYS A 182 1 O GLU A 178 N LYS A 102 SHEET 5 AA2 7 CYS A 241 LEU A 248 1 O ASN A 247 N CYS A 182 SHEET 6 AA2 7 THR A 279 SER A 287 -1 O TRP A 286 N TYR A 244 SHEET 7 AA2 7 ASN A 268 GLN A 276 -1 N ASN A 272 O ALA A 283 SHEET 1 AA3 2 TYR A 187 ASP A 188 0 SHEET 2 AA3 2 SER A 218 THR A 219 1 O THR A 219 N TYR A 187 CRYST1 49.895 78.575 84.013 90.00 90.00 90.00 P 21 21 21 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 0.020042 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012727 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011903 0.00000