HEADER TRANSFERASE 08-JUN-23 8PB4 TITLE PSIM IN COMPLEX WITH SAH AND NORBAEOCYSTIN, ORTHORHOMBIC CRYSTAL FORM 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; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PET-28A KEYWDS METHYLTRANSFERASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR S.WERTEN,J.HUDSPETH,B.RUPP REVDAT 2 10-APR-24 8PB4 1 JRNL REVDAT 1 03-APR-24 8PB4 0 JRNL AUTH J.HUDSPETH,K.ROGGE,S.DORNER,M.MULL,D.HOFFMEISTER,B.RUPP, JRNL AUTH 2 S.WERTEN JRNL TITL METHYL TRANSFER IN PSILOCYBIN BIOSYNTHESIS. JRNL REF NAT COMMUN V. 15 2709 2024 JRNL REFN ESSN 2041-1723 JRNL PMID 38548735 JRNL DOI 10.1038/S41467-024-46997-Z REMARK 2 REMARK 2 RESOLUTION. 0.91 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 0.91 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.39 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.330 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 228792 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.144 REMARK 3 R VALUE (WORKING SET) : 0.144 REMARK 3 FREE R VALUE : 0.156 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 1.500 REMARK 3 FREE R VALUE TEST SET COUNT : 3439 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 15.3900 - 2.6600 0.99 9528 143 0.1411 0.1344 REMARK 3 2 2.6600 - 2.1100 1.00 9288 146 0.1336 0.1346 REMARK 3 3 2.1100 - 1.8400 1.00 9216 137 0.1222 0.1311 REMARK 3 4 1.8400 - 1.6800 1.00 9158 140 0.1117 0.1646 REMARK 3 5 1.6800 - 1.5600 1.00 9176 142 0.1028 0.1163 REMARK 3 6 1.5600 - 1.4600 1.00 9113 137 0.1069 0.1341 REMARK 3 7 1.4600 - 1.3900 1.00 9124 140 0.1192 0.1568 REMARK 3 8 1.3900 - 1.3300 1.00 9076 134 0.1310 0.1469 REMARK 3 9 1.3300 - 1.2800 1.00 9115 144 0.1410 0.1630 REMARK 3 10 1.2800 - 1.2400 1.00 9065 134 0.1361 0.1705 REMARK 3 11 1.2400 - 1.2000 1.00 9016 148 0.1460 0.1616 REMARK 3 12 1.2000 - 1.1600 1.00 9105 127 0.1384 0.1726 REMARK 3 13 1.1600 - 1.1300 1.00 9045 138 0.1501 0.1668 REMARK 3 14 1.1300 - 1.1000 1.00 9013 142 0.1729 0.1801 REMARK 3 15 1.1000 - 1.0800 1.00 9083 148 0.1741 0.1886 REMARK 3 16 1.0800 - 1.0600 1.00 9015 127 0.1893 0.2019 REMARK 3 17 1.0600 - 1.0300 1.00 9023 147 0.2005 0.2271 REMARK 3 18 1.0300 - 1.0200 1.00 9028 124 0.2398 0.2636 REMARK 3 19 1.0200 - 1.0000 1.00 9069 147 0.2694 0.2726 REMARK 3 20 1.0000 - 0.9800 1.00 8990 143 0.3072 0.3434 REMARK 3 21 0.9800 - 0.9600 1.00 8955 141 0.3404 0.3626 REMARK 3 22 0.9600 - 0.9500 1.00 9048 133 0.3681 0.3526 REMARK 3 23 0.9500 - 0.9400 1.00 9039 131 0.3860 0.3832 REMARK 3 24 0.9400 - 0.9200 0.96 8668 124 0.4043 0.4191 REMARK 3 25 0.9200 - 0.9100 0.83 7397 122 0.4190 0.4427 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) : 0.160 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 19.800 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 11.02 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.17 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 : 0.011 2901 REMARK 3 ANGLE : 1.268 3993 REMARK 3 CHIRALITY : 0.099 436 REMARK 3 PLANARITY : 0.019 530 REMARK 3 DIHEDRAL : 14.006 1117 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 8PB4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 12-JUN-23. REMARK 100 THE DEPOSITION ID IS D_1292130985. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 04-FEB-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 : ID23-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.6888 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : TOROIDAL MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER2 X CDTE 16M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2 3.12.0 REMARK 200 DATA SCALING SOFTWARE : XIA2 3.12.0 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 230836 REMARK 200 RESOLUTION RANGE HIGH (A) : 0.910 REMARK 200 RESOLUTION RANGE LOW (A) : 15.390 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 200 DATA REDUNDANCY : 13.40 REMARK 200 R MERGE (I) : 0.08633 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.3700 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 0.91 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 0.94 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.5 REMARK 200 DATA REDUNDANCY IN SHELL : 13.60 REMARK 200 R MERGE FOR SHELL (I) : 3.04000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.310 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER 2.8.2 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.40 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM TRIS/HCL PH 8.5, 20% PEG 8000, REMARK 280 200 MM MGCL2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 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 24.61700 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.88300 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 39.13300 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.88300 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.61700 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 39.13300 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: 260 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13690 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -19.0 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 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 HIS A -10 N CB CG ND1 CD2 CE1 NE2 REMARK 470 MET A -9 CG SD CE REMARK 470 ARG A 299 CD NE CZ NH1 NH2 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 48.83 39.70 REMARK 500 LEU A 165 48.54 -82.09 REMARK 500 ARG A 238 -118.43 64.07 REMARK 500 ARG A 238 -122.18 35.90 REMARK 500 GLN A 276 90.18 -164.68 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 8 0.18 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 A 939 DISTANCE = 5.89 ANGSTROMS REMARK 525 HOH A 940 DISTANCE = 6.32 ANGSTROMS REMARK 525 HOH A 941 DISTANCE = 6.33 ANGSTROMS REMARK 525 HOH A 942 DISTANCE = 6.56 ANGSTROMS REMARK 525 HOH A 943 DISTANCE = 7.58 ANGSTROMS DBREF 8PB4 A 1 309 UNP P0DPA9 PSIM_PSICU 1 309 SEQADV 8PB4 GLY A -12 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 SER A -11 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 HIS A -10 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 MET A -9 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 ALA A -8 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 SER A -7 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 GLU A -6 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 ASN A -5 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 LEU A -4 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 TYR A -3 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 PHE A -2 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 GLN A -1 UNP P0DPA9 EXPRESSION TAG SEQADV 8PB4 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 46 HET XP6 A 402 56 HET CL A 403 1 HET CL A 404 1 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM XP6 NORBAEOCYSTIN HETNAM CL CHLORIDE ION HETSYN XP6 [3-(2-AZANYLETHYL)-1~{H}-INDOL-4-YL] DIHYDROGEN HETSYN 2 XP6 PHOSPHATE FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 XP6 C10 H13 N2 O4 P FORMUL 4 CL 2(CL 1-) FORMUL 6 HOH *443(H2 O) HELIX 1 AA1 HIS A -10 GLN A -1 1 10 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 GLU A 170 1 6 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 ASP A 105 O VAL A 128 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 49.234 78.266 83.766 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 0.020311 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012777 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011938 0.00000