HEADER TRANSFERASE 14-MAY-24 8ZIM TITLE CRYSTAL STRUCTURE OF THE METHYLTRANSFERASE PSIM IN COMPLEX WITH SAH TITLE 2 AND BAEOCYSTIN 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 NORBAEOCYSTIN, BAEOCYSTIN, PSILOCYBIN, METHYLTRANSFERASE, SAM, SAH, KEYWDS 2 TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.Y.MENG,Y.WEN,W.T.GUO,B.X.WU REVDAT 1 02-APR-25 8ZIM 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. 1.40 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) : 1.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.72 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 60092 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.147 REMARK 3 R VALUE (WORKING SET) : 0.146 REMARK 3 FREE R VALUE : 0.173 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.070 REMARK 3 FREE R VALUE TEST SET COUNT : 3047 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 33.7200 - 3.9200 1.00 2810 147 0.1456 0.1359 REMARK 3 2 3.9200 - 3.1100 1.00 2702 137 0.1383 0.1473 REMARK 3 3 3.1100 - 2.7200 1.00 2622 153 0.1552 0.1729 REMARK 3 4 2.7200 - 2.4700 1.00 2618 141 0.1529 0.1846 REMARK 3 5 2.4700 - 2.2900 1.00 2614 155 0.1434 0.1574 REMARK 3 6 2.2900 - 2.1600 1.00 2590 127 0.1391 0.1490 REMARK 3 7 2.1600 - 2.0500 1.00 2616 144 0.1429 0.1720 REMARK 3 8 2.0500 - 1.9600 1.00 2551 160 0.1443 0.1952 REMARK 3 9 1.9600 - 1.8900 1.00 2570 139 0.1514 0.1867 REMARK 3 10 1.8900 - 1.8200 1.00 2619 122 0.1541 0.2040 REMARK 3 11 1.8200 - 1.7600 1.00 2576 128 0.1528 0.1845 REMARK 3 12 1.7600 - 1.7100 1.00 2539 141 0.1505 0.2039 REMARK 3 13 1.7100 - 1.6700 1.00 2584 139 0.1462 0.1946 REMARK 3 14 1.6700 - 1.6300 1.00 2585 134 0.1465 0.1946 REMARK 3 15 1.6300 - 1.5900 1.00 2580 129 0.1409 0.2002 REMARK 3 16 1.5900 - 1.5600 1.00 2572 125 0.1365 0.1987 REMARK 3 17 1.5600 - 1.5300 1.00 2557 146 0.1387 0.1766 REMARK 3 18 1.5300 - 1.5000 1.00 2516 136 0.1342 0.1819 REMARK 3 19 1.5000 - 1.4700 1.00 2566 139 0.1328 0.2168 REMARK 3 20 1.4700 - 1.4500 1.00 2567 144 0.1452 0.2064 REMARK 3 21 1.4500 - 1.4200 1.00 2570 120 0.1532 0.1976 REMARK 3 22 1.4200 - 1.4000 1.00 2521 141 0.1599 0.2452 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) : 0.133 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 17.333 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 11.28 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.94 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 2617 REMARK 3 ANGLE : 0.930 3572 REMARK 3 CHIRALITY : 0.079 396 REMARK 3 PLANARITY : 0.013 462 REMARK 3 DIHEDRAL : 9.609 395 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 8ZIM 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_1300047836. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 14-JUN-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) : 0.97853 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS3 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 60183 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.400 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 12.60 REMARK 200 R MERGE (I) : 0.04800 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 30.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.48 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 12.90 REMARK 200 R MERGE FOR SHELL (I) : 0.24600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 9.200 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 (%): 43.27 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M HEPES PH 7.5, 20% W/V REMARK 280 POLYETHYLENE GLYCOL 10,000, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 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,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,Z+1/2 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 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.16350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 65.20450 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.16350 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 65.20450 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 631 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 931 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 507 O HOH A 779 1.92 REMARK 500 O HOH A 811 O HOH A 874 1.95 REMARK 500 OE1 GLU A 157 O HOH A 501 1.97 REMARK 500 OH TYR A 13 O HOH A 502 1.97 REMARK 500 O HOH A 565 O HOH A 570 2.01 REMARK 500 OE1 GLN A 276 O2 GOL A 402 2.07 REMARK 500 NE ARG A 240 O HOH A 503 2.09 REMARK 500 O HOH A 654 O HOH A 800 2.10 REMARK 500 O HOH A 677 O HOH A 869 2.11 REMARK 500 N GLY A 33 O HOH A 504 2.11 REMARK 500 O HOH A 510 O HOH A 741 2.13 REMARK 500 O HOH A 531 O HOH A 535 2.13 REMARK 500 OE2 GLU A 173 O HOH A 505 2.17 REMARK 500 O HOH A 874 O HOH A 921 2.18 REMARK 500 OE1 GLN A 276 O HOH A 506 2.19 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 O HOH A 921 O HOH A 921 2555 1.48 REMARK 500 O HOH A 874 O HOH A 874 2555 1.70 REMARK 500 O HOH A 751 O HOH A 774 1455 1.87 REMARK 500 O HOH A 507 O HOH A 794 1655 2.18 REMARK 500 O HOH A 785 O HOH A 817 2565 2.19 REMARK 500 O HOH A 568 O HOH A 574 1455 2.19 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 51.77 36.35 REMARK 500 LEU A 165 48.09 -80.29 REMARK 500 THR A 195 -17.27 -140.87 REMARK 500 SER A 298 -21.36 -140.25 REMARK 500 ASN A 302 114.98 -36.06 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 152 0.10 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 952 DISTANCE = 5.81 ANGSTROMS REMARK 525 HOH A 953 DISTANCE = 5.91 ANGSTROMS REMARK 525 HOH A 954 DISTANCE = 6.16 ANGSTROMS REMARK 525 HOH A 955 DISTANCE = 6.91 ANGSTROMS REMARK 525 HOH A 956 DISTANCE = 8.77 ANGSTROMS DBREF 8ZIM A 1 309 UNP P0DPA9 PSIM_PSICU 1 309 SEQADV 8ZIM 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 EPE A 401 33 HET GOL A 402 14 HET XPN A 403 31 HET SAH A 404 46 HETNAM EPE 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID HETNAM GOL GLYCEROL HETNAM XPN BAEOCYSTIN HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETSYN EPE HEPES HETSYN GOL GLYCERIN; PROPANE-1,2,3-TRIOL HETSYN XPN [3-[2-(METHYLAMINO)ETHYL]-1~{H}-INDOL-4-YL] DIHYDROGEN HETSYN 2 XPN PHOSPHATE FORMUL 2 EPE C8 H18 N2 O4 S FORMUL 3 GOL C3 H8 O3 FORMUL 4 XPN C11 H15 N2 O4 P FORMUL 5 SAH C14 H20 N6 O5 S FORMUL 6 HOH *456(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 ALA A 171 1 7 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 LEU A 235 1 15 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 GLN A 276 O THR A 279 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 39.399 58.327 130.409 90.00 90.00 90.00 P 2 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 0.025381 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017145 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007668 0.00000