HEADER TRANSFERASE 14-MAY-24 8ZIH TITLE CRYSTAL STRUCTURE OF THE METHYLTRANSFERASE PSIM IN COMPLEX WITH SAH 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; COMPND 7 OTHER_DETAILS: THE FIRST SERINE RESIDUE IS FROM THE TAG 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 NORBAEOCYSTIN, BAEOCYSTIN, PSILOCYBIN, METHYLTRANSFERASE, SAM, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.Y.MENG,Y.WEN,W.T.GUO,B.X.WU REVDAT 1 02-APR-25 8ZIH 0 JRNL AUTH C.MENG,W.GUO,C.XIAO,Y.WEN,X.ZHU,Q.ZHANG,Y.LIANG,H.LI,S.XU, JRNL AUTH 2 Y.QIU,H.CHEN,W.J.LIN,B.WU JRNL TITL STRUCTURAL BASIS FOR PSILOCYBIN BIOSYNTHESIS. JRNL REF NAT COMMUN V. 16 2827 2025 JRNL REFN ESSN 2041-1723 JRNL PMID 40121242 JRNL DOI 10.1038/S41467-025-58239-X REMARK 2 REMARK 2 RESOLUTION. 1.31 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) : 1.31 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.36 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 91.7 REMARK 3 NUMBER OF REFLECTIONS : 67176 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.167 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.185 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.010 REMARK 3 FREE R VALUE TEST SET COUNT : 3368 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 32.3600 - 3.7800 1.00 3123 173 0.1522 0.1515 REMARK 3 2 3.7800 - 3.0000 1.00 2975 155 0.1564 0.1685 REMARK 3 3 3.0000 - 2.6200 1.00 2980 132 0.1764 0.2068 REMARK 3 4 2.6200 - 2.3800 1.00 2928 163 0.1696 0.1954 REMARK 3 5 2.3800 - 2.2100 0.99 2849 167 0.1783 0.1864 REMARK 3 6 2.2100 - 2.0800 1.00 2916 146 0.1620 0.1895 REMARK 3 7 2.0800 - 1.9700 1.00 2902 138 0.1633 0.1822 REMARK 3 8 1.9700 - 1.8900 0.99 2885 148 0.1858 0.2071 REMARK 3 9 1.8900 - 1.8200 1.00 2921 132 0.1639 0.1696 REMARK 3 10 1.8200 - 1.7500 1.00 2887 168 0.1770 0.1927 REMARK 3 11 1.7500 - 1.7000 1.00 2881 151 0.1648 0.2150 REMARK 3 12 1.7000 - 1.6500 1.00 2849 149 0.1502 0.1773 REMARK 3 13 1.6500 - 1.6100 1.00 2894 147 0.1535 0.1665 REMARK 3 14 1.6100 - 1.5700 1.00 2861 151 0.1516 0.1838 REMARK 3 15 1.5700 - 1.5300 1.00 2871 148 0.1549 0.2017 REMARK 3 16 1.5300 - 1.5000 1.00 2860 168 0.1585 0.1758 REMARK 3 17 1.5000 - 1.4700 0.98 2781 153 0.1665 0.2076 REMARK 3 18 1.4700 - 1.4400 0.93 2673 142 0.1677 0.2027 REMARK 3 19 1.4400 - 1.4200 0.85 2402 135 0.1771 0.2072 REMARK 3 20 1.4200 - 1.3900 0.78 2233 134 0.1810 0.2084 REMARK 3 21 1.3900 - 1.3700 0.73 2056 114 0.1820 0.2307 REMARK 3 22 1.3700 - 1.3500 0.65 1869 82 0.1890 0.2050 REMARK 3 23 1.3500 - 1.3300 0.60 1726 83 0.2063 0.2584 REMARK 3 24 1.3300 - 1.3100 0.53 1486 89 0.2383 0.2666 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) : 0.109 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.474 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.85 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 14.42 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 : 0.006 2550 REMARK 3 ANGLE : 1.036 3478 REMARK 3 CHIRALITY : 0.076 390 REMARK 3 PLANARITY : 0.010 453 REMARK 3 DIHEDRAL : 6.778 364 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 12.2909 17.2778 3.2413 REMARK 3 T TENSOR REMARK 3 T11: 0.0476 T22: 0.0456 REMARK 3 T33: 0.0471 T12: -0.0008 REMARK 3 T13: 0.0032 T23: 0.0005 REMARK 3 L TENSOR REMARK 3 L11: 0.2731 L22: 0.1864 REMARK 3 L33: 0.2824 L12: -0.0784 REMARK 3 L13: 0.0679 L23: -0.0607 REMARK 3 S TENSOR REMARK 3 S11: 0.0015 S12: 0.0047 S13: 0.0153 REMARK 3 S21: -0.0171 S22: -0.0135 S23: -0.0015 REMARK 3 S31: 0.0170 S32: 0.0207 S33: 0.0000 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 8ZIH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 14-MAY-24. REMARK 100 THE DEPOSITION ID IS D_1300047834. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 22-MAY-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL18U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97918 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : AUTOPROC REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 67276 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.310 REMARK 200 RESOLUTION RANGE LOW (A) : 51.790 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.1 REMARK 200 DATA REDUNDANCY : 8.700 REMARK 200 R MERGE (I) : 0.06400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 19.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.31 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 62.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.30 REMARK 200 R MERGE FOR SHELL (I) : 0.34400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 8ZIE REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.25 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.2 M POTASSIUM PHOSPHATE REMARK 280 (DIBASIC)/0.8M SODIUM PHOSPHATE (MONOBASIC), 0.1M SODIUM ACETATE/ REMARK 280 ACETIC ACID PH 4.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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 28.17550 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 67.23950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 28.17550 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 67.23950 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 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 HOH A 842 LIES ON A SPECIAL POSITION. REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 504 O HOH A 631 1.88 REMARK 500 O HOH A 514 O HOH A 783 2.03 REMARK 500 O HOH A 555 O HOH A 763 2.14 REMARK 500 O HOH A 678 O HOH A 766 2.17 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 NZ LYS A 200 OE2 GLU A 295 4555 2.17 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 ALA A 112 49.14 39.87 REMARK 500 THR A 195 -40.43 -130.78 REMARK 500 ARG A 238 -121.07 53.52 REMARK 500 SER A 298 -19.66 -143.97 REMARK 500 ASN A 302 116.45 -39.40 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 A 873 DISTANCE = 5.87 ANGSTROMS REMARK 525 HOH A 874 DISTANCE = 5.88 ANGSTROMS REMARK 525 HOH A 875 DISTANCE = 6.00 ANGSTROMS REMARK 525 HOH A 876 DISTANCE = 6.76 ANGSTROMS DBREF 8ZIH A 1 309 UNP P0DPA9 PSIM_PSICU 1 309 SEQADV 8ZIH SER A 0 UNP P0DPA9 EXPRESSION TAG SEQRES 1 A 310 SER MET HIS ILE ARG ASN PRO TYR ARG THR PRO ILE ASP SEQRES 2 A 310 TYR GLN ALA LEU SER GLU ALA PHE PRO PRO LEU LYS PRO SEQRES 3 A 310 PHE VAL SER VAL ASN ALA ASP GLY THR SER SER VAL ASP SEQRES 4 A 310 LEU THR ILE PRO GLU ALA GLN ARG ALA PHE THR ALA ALA SEQRES 5 A 310 LEU LEU HIS ARG ASP PHE GLY LEU THR MET THR ILE PRO SEQRES 6 A 310 GLU ASP ARG LEU CYS PRO THR VAL PRO ASN ARG LEU ASN SEQRES 7 A 310 TYR VAL LEU TRP ILE GLU ASP ILE PHE ASN TYR THR ASN SEQRES 8 A 310 LYS THR LEU GLY LEU SER ASP ASP ARG PRO ILE LYS GLY SEQRES 9 A 310 VAL ASP ILE GLY THR GLY ALA SER ALA ILE TYR PRO MET SEQRES 10 A 310 LEU ALA CYS ALA ARG PHE LYS ALA TRP SER MET VAL GLY SEQRES 11 A 310 THR GLU VAL GLU ARG LYS CYS ILE ASP THR ALA ARG LEU SEQRES 12 A 310 ASN VAL VAL ALA ASN ASN LEU GLN ASP ARG LEU SER ILE SEQRES 13 A 310 LEU GLU THR SER ILE ASP GLY PRO ILE LEU VAL PRO ILE SEQRES 14 A 310 PHE GLU ALA THR GLU GLU TYR GLU TYR GLU PHE THR MET SEQRES 15 A 310 CYS ASN PRO PRO PHE TYR ASP GLY ALA ALA ASP MET GLN SEQRES 16 A 310 THR SER ASP ALA ALA LYS GLY PHE GLY PHE GLY VAL GLY SEQRES 17 A 310 ALA PRO HIS SER GLY THR VAL ILE GLU MET SER THR GLU SEQRES 18 A 310 GLY GLY GLU SER ALA PHE VAL ALA GLN MET VAL ARG GLU SEQRES 19 A 310 SER LEU LYS LEU ARG THR ARG CYS ARG TRP TYR THR SER SEQRES 20 A 310 ASN LEU GLY LYS LEU LYS SER LEU LYS GLU ILE VAL GLY SEQRES 21 A 310 LEU LEU LYS GLU LEU GLU ILE SER ASN TYR ALA ILE ASN SEQRES 22 A 310 GLU TYR VAL GLN GLY SER THR ARG ARG TYR ALA VAL ALA SEQRES 23 A 310 TRP SER PHE THR ASP ILE GLN LEU PRO GLU GLU LEU SER SEQRES 24 A 310 ARG PRO SER ASN PRO GLU LEU SER SER LEU PHE HET SAH A 401 26 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 HOH *376(H2 O) HELIX 1 AA1 ASN A 5 THR A 9 5 5 HELIX 2 AA2 ASP A 12 PHE A 20 1 9 HELIX 3 AA3 PRO A 21 PRO A 25 5 5 HELIX 4 AA4 ILE A 41 GLY A 58 1 18 HELIX 5 AA5 THR A 71 GLY A 94 1 24 HELIX 6 AA6 ALA A 112 PHE A 122 1 11 HELIX 7 AA7 GLU A 133 ASN A 147 1 15 HELIX 8 AA8 LEU A 165 GLU A 170 1 6 HELIX 9 AA9 GLY A 189 GLN A 194 1 6 HELIX 10 AB1 THR A 213 MET A 217 1 5 HELIX 11 AB2 GLY A 221 ARG A 238 1 18 HELIX 12 AB3 LYS A 250 LEU A 264 1 15 HELIX 13 AB4 PRO A 294 ARG A 299 1 6 HELIX 14 AB5 ASN A 302 SER A 306 5 5 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 ASP A 105 O THR A 130 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 TYR A 274 O ARG A 281 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 56.351 134.479 39.529 90.00 90.00 90.00 P 21 21 2 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 0.017746 0.000000 0.000000 0.00000 SCALE2 0.000000 0.007436 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025298 0.00000