HEADER BIOSYNTHETIC PROTEIN 04-FEB-21 7E22 TITLE CRYSTAL STRUCTURE OF TWO PERICYCLASES CATALYZING [4+2] CYCLOADDITION COMPND MOL_ID: 1; COMPND 2 MOLECULE: DIELS-ALDERASE FSA2; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FUSARISETIN A BIOSYNTHESIS PROTEIN 2; COMPND 5 EC: 5.5.1.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: FUSARIUM SP. (STRAIN FN080326); SOURCE 3 ORGANISM_TAXID: 1608308; SOURCE 4 STRAIN: FN080326; SOURCE 5 GENE: FSA2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI 'BL21-GOLD(DE3)PLYSS AG'; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 866768 KEYWDS [4+2]-PERICYCLASE, BIOSYNTHETIC PROTEIN, ISOMERASE EXPDTA X-RAY DIFFRACTION AUTHOR C.B.CHI,Z.D.WANG REVDAT 2 29-NOV-23 7E22 1 JRNL REVDAT 1 09-FEB-22 7E22 0 JRNL AUTH C.B.CHI,Z.D.WANG,T.LIU,Z.Y.ZHANG,M.MA JRNL TITL CRYSTAL STRUCTURE OF TWO PERICYCLASES CATALYZING [4+2] JRNL TITL 2 CYCLOADDITION JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.63 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0222 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.63 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 45.88 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 11159 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.174 REMARK 3 R VALUE (WORKING SET) : 0.172 REMARK 3 FREE R VALUE : 0.207 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.200 REMARK 3 FREE R VALUE TEST SET COUNT : 606 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 REFLECTION IN BIN (WORKING SET) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE SET COUNT : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2814 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 27 REMARK 3 SOLVENT ATOMS : 79 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 47.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.07000 REMARK 3 B22 (A**2) : -3.45000 REMARK 3 B33 (A**2) : 4.52000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): NULL REMARK 3 ESU BASED ON FREE R VALUE (A): 0.286 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.197 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.361 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.950 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.930 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2951 ; 0.011 ; 0.014 REMARK 3 BOND LENGTHS OTHERS (A): 2563 ; 0.002 ; 0.018 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4014 ; 1.391 ; 1.658 REMARK 3 BOND ANGLES OTHERS (DEGREES): 6012 ; 0.852 ; 1.649 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 369 ; 8.672 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 147 ;33.237 ;22.381 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 461 ;16.938 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 17 ;20.645 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 384 ; 0.065 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 3350 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 564 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 7E22 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-FEB-21. REMARK 100 THE DEPOSITION ID IS D_1300020640. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-JAN-21 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) : 0.978253 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 : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 140821 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.630 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 (%) : 99.9 REMARK 200 DATA REDUNDANCY : 11.90 REMARK 200 R MERGE (I) : 0.14500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 19.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.63 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.73 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.55500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.330 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: 7DMN REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 45.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.25 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 28% PEG 2000MME, 0.1 M BIS-TRIS REMARK 280 PROPANE PH 6.3, 20 MM TEAOH PH 7.5, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 289K 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 27.38050 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.89400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.53000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.89400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.38050 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 41.53000 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 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 1 REMARK 465 SER A 2 REMARK 465 HIS A 3 REMARK 465 GLU A 276 REMARK 465 ASP A 277 REMARK 465 ALA A 278 REMARK 465 LEU A 279 REMARK 465 MET A 280 REMARK 465 LYS A 317 REMARK 465 GLY A 318 REMARK 465 ASN A 319 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 CE2 PHE A 53 CE MET A 210 1.74 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 SER A 27 -146.76 -107.55 REMARK 500 PRO A 44 131.31 -36.02 REMARK 500 GLU A 91 4.58 81.99 REMARK 500 VAL A 146 -69.30 -137.10 REMARK 500 ASP A 163 32.62 -97.77 REMARK 500 VAL A 222 -37.76 -130.98 REMARK 500 GLU A 262 40.64 39.04 REMARK 500 SER A 293 50.82 -108.96 REMARK 500 TYR A 303 -151.18 -119.22 REMARK 500 SER A 364 55.26 -146.75 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 275 0.09 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue HVF A 401 DBREF1 7E22 A 4 377 UNP FSA2_FUSSF DBREF2 7E22 A A0A0E4AYE7 1 374 SEQADV 7E22 GLY A 1 UNP A0A0E4AYE EXPRESSION TAG SEQADV 7E22 SER A 2 UNP A0A0E4AYE EXPRESSION TAG SEQADV 7E22 HIS A 3 UNP A0A0E4AYE EXPRESSION TAG SEQRES 1 A 377 GLY SER HIS MET SER ASN VAL THR VAL SER ALA PHE THR SEQRES 2 A 377 VAL ASP LYS SER ILE SER GLU GLU HIS VAL LEU PRO SER SEQRES 3 A 377 SER PHE ILE PRO GLY SER GLY ASN ILE PHE PRO LYS PHE SEQRES 4 A 377 THR SER ALA ILE PRO LYS THR ALA TRP GLU LEU TRP TYR SEQRES 5 A 377 PHE ASP GLY ILE SER LYS ASP ASP LYS SER SER ILE VAL SEQRES 6 A 377 ILE GLY VAL THR ARG ASN ALA GLU GLY LEU LYS HIS GLY SEQRES 7 A 377 GLY PHE LYS VAL GLN VAL PHE VAL ILE TRP ALA ASP GLU SEQRES 8 A 377 ARG THR TRP HIS ARG ASP LEU PHE PHE PRO GLU SER VAL SEQRES 9 A 377 VAL SER ILE ASN GLU SER GLY VAL THR ASP GLY ILE TRP SEQRES 10 A 377 LYS ASP ALA THR SER ASN SER SER ILE SER PHE SER CYS SEQRES 11 A 377 ALA GLY ASP LEU SER LYS ALA SER LEU VAL PHE ASP VAL SEQRES 12 A 377 PRO GLY VAL VAL GLN GLY ASP MET HIS LEU GLU ALA LEU SEQRES 13 A 377 PRO GLY ASP THR GLY LEU ASP THR ASP ALA ARG LEU GLY SEQRES 14 A 377 PRO SER VAL TYR TYR VAL ARG PRO ILE GLY ARG ALA SER SEQRES 15 A 377 VAL LYS ALA GLN LEU SER LEU TYR SER SER ASP ALA THR SEQRES 16 A 377 ALA ALA GLU GLN PHE SER LEU GLY THR SER ALA ASN GLY SEQRES 17 A 377 GLY MET ASP ARG VAL TRP SER PRO LEU SER TRP PRO GLN SEQRES 18 A 377 VAL MET THR GLU SER TYR TYR LEU ARG THR GLN VAL GLY SEQRES 19 A 377 PRO TYR ALA MET GLN ILE MET ARG ILE PHE PRO PRO ALA SEQRES 20 A 377 GLY SER GLU ASP GLN PRO SER THR MET ALA ARG LEU TYR SEQRES 21 A 377 ARG GLU GLY GLN LEU VAL CYS VAL ALA GLN HIS VAL VAL SEQRES 22 A 377 THR ARG GLU ASP ALA LEU MET THR HIS ASP SER LEU ILE SEQRES 23 A 377 LEU SER LYS GLN ASP ASN SER ASP SER GLU ASP VAL VAL SEQRES 24 A 377 THR GLY GLY TYR ARG ASP LYS ASN THR GLY TYR THR VAL SEQRES 25 A 377 GLU PHE VAL GLU LYS GLY ASN GLU GLY GLN ARG TRP LYS SEQRES 26 A 377 PHE GLN VAL ARG HIS GLU ARG ILE ILE TRP ASN THR PRO SEQRES 27 A 377 THR SER ARG PRO GLY PRO ASP ALA THR GLY ASN THR GLY SEQRES 28 A 377 PHE VAL GLU VAL LEU CYS GLY GLY THR ILE GLY GLU SER SEQRES 29 A 377 TYR GLU GLY VAL GLY THR GLY GLY GLN CYS GLU LEU SER HET HVF A 401 27 HETNAM HVF EQUISETIN HETSYN HVF (2R)-4-[[(1S,4AS,6R,8AR)-1,6-DIMETHYL-2-[(E)-PROP-1- HETSYN 2 HVF ENYL]-4A,5,6,7,8,8A-HEXAHYDRO-2H-NAPHTHALEN-1- HETSYN 3 HVF YL]CARBONYL]-2-(HYDROXYMETHYL)-1-METHYL-3-OXIDANYL-2H- HETSYN 4 HVF PYRROL-5-ONE FORMUL 2 HVF C22 H31 N O4 FORMUL 3 HOH *79(H2 O) HELIX 1 AA1 ALA A 72 HIS A 77 1 6 HELIX 2 AA2 SER A 218 VAL A 222 5 5 SHEET 1 AA112 THR A 8 THR A 13 0 SHEET 2 AA112 GLU A 102 ILE A 107 -1 O ILE A 107 N THR A 8 SHEET 3 AA112 THR A 113 ASP A 119 -1 O ASP A 114 N SER A 106 SHEET 4 AA112 SER A 124 CYS A 130 -1 O ILE A 126 N TRP A 117 SHEET 5 AA112 LYS A 136 VAL A 143 -1 O ASP A 142 N SER A 125 SHEET 6 AA112 VAL A 147 ALA A 155 -1 O GLY A 149 N PHE A 141 SHEET 7 AA112 TYR A 173 TYR A 190 -1 O SER A 188 N GLN A 148 SHEET 8 AA112 ALA A 206 SER A 215 -1 O ARG A 212 N VAL A 175 SHEET 9 AA112 TRP A 48 SER A 57 -1 N LEU A 50 O VAL A 213 SHEET 10 AA112 SER A 63 ASN A 71 -1 O ILE A 66 N PHE A 53 SHEET 11 AA112 PHE A 80 ILE A 87 -1 O GLN A 83 N GLY A 67 SHEET 12 AA112 THR A 93 PHE A 100 -1 O PHE A 100 N PHE A 80 SHEET 1 AA2 8 THR A 8 THR A 13 0 SHEET 2 AA2 8 GLU A 102 ILE A 107 -1 O ILE A 107 N THR A 8 SHEET 3 AA2 8 THR A 113 ASP A 119 -1 O ASP A 114 N SER A 106 SHEET 4 AA2 8 SER A 124 CYS A 130 -1 O ILE A 126 N TRP A 117 SHEET 5 AA2 8 LYS A 136 VAL A 143 -1 O ASP A 142 N SER A 125 SHEET 6 AA2 8 VAL A 147 ALA A 155 -1 O GLY A 149 N PHE A 141 SHEET 7 AA2 8 TYR A 173 TYR A 190 -1 O SER A 188 N GLN A 148 SHEET 8 AA2 8 ALA A 197 SER A 201 -1 O GLU A 198 N LEU A 189 SHEET 1 AA3 4 SER A 254 THR A 255 0 SHEET 2 AA3 4 TYR A 236 PHE A 244 -1 N ILE A 243 O SER A 254 SHEET 3 AA3 4 ALA A 257 ARG A 261 -1 O TYR A 260 N ALA A 237 SHEET 4 AA3 4 GLN A 264 ALA A 269 -1 O GLN A 264 N ARG A 261 SHEET 1 AA4 8 SER A 254 THR A 255 0 SHEET 2 AA4 8 TYR A 236 PHE A 244 -1 N ILE A 243 O SER A 254 SHEET 3 AA4 8 GLU A 225 VAL A 233 -1 N VAL A 233 O TYR A 236 SHEET 4 AA4 8 TYR A 365 GLU A 375 -1 O GLY A 372 N TYR A 228 SHEET 5 AA4 8 GLY A 348 GLY A 359 -1 N GLU A 354 O GLY A 369 SHEET 6 AA4 8 ARG A 323 PRO A 338 -1 N THR A 337 O ASN A 349 SHEET 7 AA4 8 GLY A 309 VAL A 315 -1 N PHE A 314 O TRP A 324 SHEET 8 AA4 8 SER A 284 GLN A 290 -1 N ILE A 286 O GLU A 313 SITE 1 AC1 7 TRP A 48 LEU A 50 GLY A 67 GLN A 83 SITE 2 AC1 7 TRP A 219 VAL A 222 ASN A 349 CRYST1 54.761 83.060 83.788 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 0.018261 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012039 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011935 0.00000