HEADER TRANSFERASE 13-MAY-24 8ZIE TITLE CRYSTAL STRUCTURE OF THE METHYLTRANSFERASE PSIM IN ITS APO-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 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 8ZIE 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. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.92 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 37886 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.200 REMARK 3 R VALUE (WORKING SET) : 0.199 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.020 REMARK 3 FREE R VALUE TEST SET COUNT : 1901 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 36.9200 - 3.8600 1.00 2818 167 0.1747 0.1784 REMARK 3 2 3.8500 - 3.0600 1.00 2655 123 0.1776 0.2001 REMARK 3 3 3.0600 - 2.6700 1.00 2610 138 0.2013 0.2268 REMARK 3 4 2.6700 - 2.4300 1.00 2631 118 0.2137 0.2392 REMARK 3 5 2.4300 - 2.2600 1.00 2523 146 0.2090 0.2112 REMARK 3 6 2.2600 - 2.1200 1.00 2560 140 0.2164 0.2580 REMARK 3 7 2.1200 - 2.0200 1.00 2530 143 0.2033 0.1898 REMARK 3 8 2.0200 - 1.9300 1.00 2557 126 0.2141 0.2802 REMARK 3 9 1.9300 - 1.8500 1.00 2503 119 0.2271 0.2640 REMARK 3 10 1.8500 - 1.7900 1.00 2583 108 0.2643 0.2696 REMARK 3 11 1.7900 - 1.7300 1.00 2538 142 0.2500 0.3026 REMARK 3 12 1.7300 - 1.6800 1.00 2461 142 0.2399 0.2551 REMARK 3 13 1.6800 - 1.6400 1.00 2482 136 0.2399 0.2861 REMARK 3 14 1.6400 - 1.6000 1.00 2534 153 0.2577 0.2888 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) : 0.170 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 23.993 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.15 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.61 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 : 0.007 2167 REMARK 3 ANGLE : 0.985 2956 REMARK 3 CHIRALITY : 0.057 339 REMARK 3 PLANARITY : 0.010 382 REMARK 3 DIHEDRAL : 5.822 297 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 8ZIE 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_1300047832. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-JUL-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 : BL19U1 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 PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 38011 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 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 : 18.50 REMARK 200 R MERGE (I) : 0.08700 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 19.20 REMARK 200 R MERGE FOR SHELL (I) : 1.08900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.000 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: ALPHAFOLD REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.06 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M MAGNESIUM CHLORIDE, 0.1 M TRIS REMARK 280 PH 8.5, 30% W/V PEG 4,000, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 86.98600 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 173.97200 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 173.97200 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 86.98600 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: 0 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12610 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: 0.0 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 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 429 LIES ON A SPECIAL POSITION. REMARK 375 HOH A 613 LIES ON A SPECIAL POSITION. 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 PHE A 186 REMARK 465 TYR A 187 REMARK 465 ASP A 188 REMARK 465 GLY A 189 REMARK 465 ALA A 190 REMARK 465 ALA A 191 REMARK 465 ASP A 192 REMARK 465 MET A 193 REMARK 465 GLN A 194 REMARK 465 THR A 195 REMARK 465 SER A 196 REMARK 465 ASP A 197 REMARK 465 ALA A 198 REMARK 465 ALA A 199 REMARK 465 LYS A 200 REMARK 465 GLY A 201 REMARK 465 PHE A 202 REMARK 465 GLY A 203 REMARK 465 PHE A 204 REMARK 465 GLY A 205 REMARK 465 VAL A 206 REMARK 465 GLY A 207 REMARK 465 ALA A 208 REMARK 465 PRO A 209 REMARK 465 HIS A 210 REMARK 465 SER A 211 REMARK 465 GLY A 212 REMARK 465 THR A 213 REMARK 465 VAL A 214 REMARK 465 ILE A 215 REMARK 465 GLU A 216 REMARK 465 MET A 217 REMARK 465 SER A 218 REMARK 465 THR A 219 REMARK 465 GLU A 220 REMARK 465 GLY A 221 REMARK 465 VAL A 275 REMARK 465 GLN A 276 REMARK 465 GLY A 277 REMARK 465 SER A 278 REMARK 465 THR A 279 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 GLU A 65 CG CD OE1 OE2 REMARK 470 LYS A 123 CG CD CE NZ REMARK 470 ARG A 134 CG CD NE CZ NH1 NH2 REMARK 470 LYS A 135 CG CD CE NZ REMARK 470 ASP A 161 CG OD1 OD2 REMARK 470 GLU A 273 CG CD OE1 OE2 REMARK 470 ARG A 281 CG CD NE CZ NH1 NH2 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 401 O HOH A 574 1.81 REMARK 500 O HOH A 445 O HOH A 586 1.94 REMARK 500 N ARG A 280 O HOH A 401 1.94 REMARK 500 O HOH A 445 O HOH A 594 1.95 REMARK 500 OE1 GLN A 14 O HOH A 402 2.02 REMARK 500 N GLY A 222 O HOH A 403 2.08 REMARK 500 O HOH A 570 O HOH A 589 2.08 REMARK 500 OE1 GLU A 304 O HOH A 404 2.14 REMARK 500 O HOH A 410 O HOH A 571 2.16 REMARK 500 O HOH A 407 O HOH A 487 2.19 REMARK 500 O HOH A 454 O HOH A 589 2.19 REMARK 500 NE ARG A 232 O HOH A 405 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 605 O HOH A 605 4555 2.05 REMARK 500 O HOH A 411 O HOH A 535 6665 2.15 REMARK 500 O HOH A 603 O HOH A 603 4555 2.18 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 46.31 -84.42 REMARK 500 ARG A 238 -119.11 47.37 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 617 DISTANCE = 5.88 ANGSTROMS DBREF 8ZIE A 1 309 UNP P0DPA9 PSIM_PSICU 1 309 SEQRES 1 A 309 MET HIS ILE ARG ASN PRO TYR ARG THR PRO ILE ASP TYR SEQRES 2 A 309 GLN ALA LEU SER GLU ALA PHE PRO PRO LEU LYS PRO PHE SEQRES 3 A 309 VAL SER VAL ASN ALA ASP GLY THR SER SER VAL ASP LEU SEQRES 4 A 309 THR ILE PRO GLU ALA GLN ARG ALA PHE THR ALA ALA LEU SEQRES 5 A 309 LEU HIS ARG ASP PHE GLY LEU THR MET THR ILE PRO GLU SEQRES 6 A 309 ASP ARG LEU CYS PRO THR VAL PRO ASN ARG LEU ASN TYR SEQRES 7 A 309 VAL LEU TRP ILE GLU ASP ILE PHE ASN TYR THR ASN LYS SEQRES 8 A 309 THR LEU GLY LEU SER ASP ASP ARG PRO ILE LYS GLY VAL SEQRES 9 A 309 ASP ILE GLY THR GLY ALA SER ALA ILE TYR PRO MET LEU SEQRES 10 A 309 ALA CYS ALA ARG PHE LYS ALA TRP SER MET VAL GLY THR SEQRES 11 A 309 GLU VAL GLU ARG LYS CYS ILE ASP THR ALA ARG LEU ASN SEQRES 12 A 309 VAL VAL ALA ASN ASN LEU GLN ASP ARG LEU SER ILE LEU SEQRES 13 A 309 GLU THR SER ILE ASP GLY PRO ILE LEU VAL PRO ILE PHE SEQRES 14 A 309 GLU ALA THR GLU GLU TYR GLU TYR GLU PHE THR MET CYS SEQRES 15 A 309 ASN PRO PRO PHE TYR ASP GLY ALA ALA ASP MET GLN THR SEQRES 16 A 309 SER ASP ALA ALA LYS GLY PHE GLY PHE GLY VAL GLY ALA SEQRES 17 A 309 PRO HIS SER GLY THR VAL ILE GLU MET SER THR GLU GLY SEQRES 18 A 309 GLY GLU SER ALA PHE VAL ALA GLN MET VAL ARG GLU SER SEQRES 19 A 309 LEU LYS LEU ARG THR ARG CYS ARG TRP TYR THR SER ASN SEQRES 20 A 309 LEU GLY LYS LEU LYS SER LEU LYS GLU ILE VAL GLY LEU SEQRES 21 A 309 LEU LYS GLU LEU GLU ILE SER ASN TYR ALA ILE ASN GLU SEQRES 22 A 309 TYR VAL GLN GLY SER THR ARG ARG TYR ALA VAL ALA TRP SEQRES 23 A 309 SER PHE THR ASP ILE GLN LEU PRO GLU GLU LEU SER ARG SEQRES 24 A 309 PRO SER ASN PRO GLU LEU SER SER LEU PHE FORMUL 2 HOH *217(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 GLU A 223 ARG A 238 1 16 HELIX 10 AB1 LYS A 250 LEU A 264 1 15 HELIX 11 AB2 PRO A 294 ARG A 299 1 6 HELIX 12 AB3 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 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 TYR A 282 SER A 287 -1 O TYR A 282 N LEU A 248 SHEET 7 AA2 7 ASN A 268 GLU A 273 -1 N ASN A 272 O ALA A 283 CRYST1 42.627 42.627 260.958 90.00 90.00 120.00 P 31 2 1 6 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 0.023459 0.013544 0.000000 0.00000 SCALE2 0.000000 0.027088 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003832 0.00000