HEADER BIOSYNTHETIC PROTEIN 14-AUG-21 7PGJ TITLE CHIMERIC CARMINOMYCIN-4-O-METHYLTRANSFERASE (DNRK) WITH REGIONS FROM TITLE 2 10-DECARBOXYLATE TAMK AND 10-HYDROXYLASE RDMB, TOGETHER WITH A SINGLE TITLE 3 POINT MUTATION F297G COMPND MOL_ID: 1; COMPND 2 MOLECULE: CARMINOMYCIN 4-O-METHYLTRANSFERASE DNRK,METHYLTRANSFERASE COMPND 3 DOMAIN-CONTAINING PROTEIN,ACLACINOMYCIN 10-HYDROXYLASE RDMB; COMPND 4 CHAIN: A; COMPND 5 SYNONYM: COMT,ANTHRACYCLINE 4-O-METHYLTRANSFERASE,O- COMPND 6 METHYLTRANSFERASE,15-DEMETHOXY-EPSILON-RHODOMYCIN 10-HYDROXYLASE,15- COMPND 7 DEMETHOXYACLACINOMYCIN T; COMPND 8 EC: 2.1.1.292,4.1.1.-; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STREPTOMYCES PEUCETIUS, STREPTOMYCES SOURCE 3 TSUKUBENSIS (STRAIN DSM 42081 / NBRC 108919 / NRRL 18488 / 9993), SOURCE 4 STREPTOMYCES PURPURASCENS; SOURCE 5 ORGANISM_TAXID: 1950, 1114943, 1924; SOURCE 6 STRAIN: DSM 42081 / NBRC 108919 / NRRL 18488 / 9993; SOURCE 7 GENE: DNRK, STSU_011780, STSU_11775, RDMB; SOURCE 8 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 9 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 10 EXPRESSION_SYSTEM_STRAIN: TOP10 KEYWDS CARMINOMYCIN-4-O-METHYLTRANSFERASE VARIANT; CHIMERAGENESIS; KEYWDS 2 ACLACINOMYCIN 10-HYDROXYLASE, TSUKUBARUBICIN 10-DECARBOXYLASE; KEYWDS 3 BIOSYNTHETIC PROTEIN, BIOSYNTHETIC PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR P.DINIS,M.METSAKETELA REVDAT 3 07-FEB-24 7PGJ 1 REMARK REVDAT 2 22-MAR-23 7PGJ 1 JRNL REVDAT 1 24-AUG-22 7PGJ 0 JRNL AUTH P.DINIS,H.TIRKKONEN,B.N.WANDI,V.SIITONEN,J.NIEMI, JRNL AUTH 2 T.GROCHOLSKI,M.METSA-KETELA JRNL TITL EVOLUTION-INSPIRED ENGINEERING OF ANTHRACYCLINE JRNL TITL 2 METHYLTRANSFERASES. JRNL REF PNAS NEXUS V. 2 AD009 2023 JRNL REFN ESSN 2752-6542 JRNL PMID 36874276 JRNL DOI 10.1093/PNASNEXUS/PGAD009 REMARK 2 REMARK 2 RESOLUTION. 2.13 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.19.2_4158 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) : 2.13 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 53.32 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.380 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 22160 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.168 REMARK 3 R VALUE (WORKING SET) : 0.166 REMARK 3 FREE R VALUE : 0.217 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.110 REMARK 3 FREE R VALUE TEST SET COUNT : 1133 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 53.3200 - 4.2600 0.99 2771 134 0.1620 0.2064 REMARK 3 2 4.2600 - 3.3800 1.00 2656 130 0.1532 0.2044 REMARK 3 3 3.3800 - 2.9500 1.00 2653 131 0.1765 0.1991 REMARK 3 4 2.9500 - 2.6800 1.00 2587 155 0.1801 0.2363 REMARK 3 5 2.6800 - 2.4900 1.00 2601 138 0.1699 0.2176 REMARK 3 6 2.4900 - 2.3400 1.00 2600 141 0.1620 0.2356 REMARK 3 7 2.3400 - 2.2300 1.00 2588 157 0.1654 0.2331 REMARK 3 8 2.2300 - 2.1300 1.00 2571 147 0.1654 0.2395 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 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) : 0.191 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 20.163 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 17.32 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 19.75 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 : 0.008 2641 REMARK 3 ANGLE : 0.922 3614 REMARK 3 CHIRALITY : 0.057 426 REMARK 3 PLANARITY : 0.010 463 REMARK 3 DIHEDRAL : 13.738 951 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 7PGJ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-AUG-21. REMARK 100 THE DEPOSITION ID IS D_1292117553. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-OCT-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : MASSIF-3 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.987 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 4M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22162 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.130 REMARK 200 RESOLUTION RANGE LOW (A) : 62.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.600 REMARK 200 R MERGE (I) : 0.06700 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 22.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.13 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.18400 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 13.40 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: 1TW2 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.45 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: IN 0.1 M SODIUM ACETATE, PH 4.6; 8% REMARK 280 PEG 8000, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293.15K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 51.17000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 51.17000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 30.37500 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 62.47500 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 30.37500 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 62.47500 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 51.17000 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 30.37500 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 62.47500 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 51.17000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 30.37500 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 62.47500 REMARK 290 SMTRY3 8 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 26030 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -49.0 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 60.75000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 51.17000 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 739 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 MET A -9 REMARK 465 ALA A -8 REMARK 465 HIS A -7 REMARK 465 HIS A -6 REMARK 465 HIS A -5 REMARK 465 HIS A -4 REMARK 465 HIS A -3 REMARK 465 HIS A -2 REMARK 465 HIS A -1 REMARK 465 ARG A 0 REMARK 465 SER A 1 REMARK 465 THR A 2 REMARK 465 ALA A 3 REMARK 465 GLU A 4 REMARK 465 PRO A 5 REMARK 465 THR A 6 REMARK 465 VAL A 7 REMARK 465 ALA A 8 REMARK 465 ALA A 9 REMARK 465 ARG A 10 REMARK 465 PRO A 11 REMARK 465 GLN A 12 REMARK 465 GLN A 13 REMARK 465 ILE A 14 REMARK 465 GLU A 291 REMARK 465 GLY A 292 REMARK 465 ASP A 293 REMARK 465 GLY A 294 REMARK 465 ALA A 295 REMARK 465 ASP A 296 REMARK 465 THR A 358 REMARK 465 GLY A 359 REMARK 465 ALA A 360 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 ARG A 18 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 49 CG CD NE CZ NH1 NH2 REMARK 470 ASP A 81 CG OD1 OD2 REMARK 470 GLU A 85 CG CD OE1 OE2 REMARK 470 GLU A 90 CG CD OE1 OE2 REMARK 470 GLU A 164 CG CD OE1 OE2 REMARK 470 ARG A 297 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 319 CG CD OE1 OE2 REMARK 470 GLU A 333 CG CD OE1 OE2 REMARK 470 ALA A 357 CA C O CB 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 ASP A 81 -71.35 -81.42 REMARK 500 PRO A 338 121.78 -34.66 REMARK 500 ASN A 343 -106.83 -121.89 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 761 DISTANCE = 6.06 ANGSTROMS DBREF 7PGJ A 2 159 UNP Q06528 DNRK_STRPE 2 159 DBREF 7PGJ A 160 169 UNP I2N5E8 I2N5E8_STRT9 169 178 DBREF 7PGJ A 170 285 UNP Q06528 DNRK_STRPE 170 285 DBREF 7PGJ A 286 302 UNP Q54527 RDMB_STREF 289 303 DBREF 7PGJ A 303 336 UNP Q06528 DNRK_STRPE 300 333 DBREF 7PGJ A 337 349 UNP I2N5E8 I2N5E8_STRT9 346 358 DBREF 7PGJ A 350 360 UNP Q06528 DNRK_STRPE 346 356 SEQADV 7PGJ MET A -9 UNP Q06528 INITIATING METHIONINE SEQADV 7PGJ ALA A -8 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ HIS A -7 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ HIS A -6 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ HIS A -5 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ HIS A -4 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ HIS A -3 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ HIS A -2 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ HIS A -1 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ ARG A 0 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ SER A 1 UNP Q06528 EXPRESSION TAG SEQADV 7PGJ GLY A 299 UNP Q54527 PHE 300 ENGINEERED MUTATION SEQRES 1 A 368 MET ALA HIS HIS HIS HIS HIS HIS HIS ARG SER THR ALA SEQRES 2 A 368 GLU PRO THR VAL ALA ALA ARG PRO GLN GLN ILE ASP ALA SEQRES 3 A 368 LEU ARG THR LEU ILE ARG LEU GLY SER LEU HIS THR PRO SEQRES 4 A 368 MET VAL VAL ARG THR ALA ALA THR LEU ARG LEU VAL ASP SEQRES 5 A 368 HIS ILE LEU ALA GLY ALA ARG THR VAL LYS ALA LEU ALA SEQRES 6 A 368 ALA ARG THR ASP THR ARG PRO GLU ALA LEU LEU ARG LEU SEQRES 7 A 368 ILE ARG HIS LEU VAL ALA ILE GLY LEU LEU GLU GLU ASP SEQRES 8 A 368 ALA PRO GLY GLU PHE VAL PRO THR GLU VAL GLY GLU LEU SEQRES 9 A 368 LEU ALA ASP ASP HIS PRO ALA ALA GLN ARG ALA TRP HIS SEQRES 10 A 368 ASP LEU THR GLN ALA VAL ALA ARG ALA ASP ILE SER PHE SEQRES 11 A 368 THR ARG LEU PRO ASP ALA ILE ARG THR GLY ARG PRO THR SEQRES 12 A 368 TYR GLU SER ILE TYR GLY LYS PRO PHE TYR GLU ASP LEU SEQRES 13 A 368 ALA GLY ARG PRO ASP LEU ARG ALA SER PHE ASP SER LEU SEQRES 14 A 368 MET THR THR ARG GLU ASP THR ALA PHE ALA ALA PRO ALA SEQRES 15 A 368 ALA ALA TYR ASP TRP THR ASN VAL ARG HIS VAL LEU ASP SEQRES 16 A 368 VAL GLY GLY GLY LYS GLY GLY PHE ALA ALA ALA ILE ALA SEQRES 17 A 368 ARG ARG ALA PRO HIS VAL SER ALA THR VAL LEU GLU MET SEQRES 18 A 368 ALA GLY THR VAL ASP THR ALA ARG SER TYR LEU LYS ASP SEQRES 19 A 368 GLU GLY LEU SER ASP ARG VAL ASP VAL VAL GLU GLY ASP SEQRES 20 A 368 PHE PHE GLU PRO LEU PRO ARG LYS ALA ASP ALA ILE ILE SEQRES 21 A 368 LEU SER PHE VAL LEU LEU ASN TRP PRO ASP HIS ASP ALA SEQRES 22 A 368 VAL ARG ILE LEU THR ARG CYS ALA GLU ALA LEU GLU PRO SEQRES 23 A 368 GLY GLY ARG ILE LEU ILE HIS GLU ARG ALA ASP VAL GLU SEQRES 24 A 368 GLY ASP GLY ALA ASP ARG PHE GLY SER THR LEU LEU ASP SEQRES 25 A 368 LEU ARG MET LEU VAL PHE LEU GLY GLY ALA LEU ARG THR SEQRES 26 A 368 ARG GLU LYS TRP ASP GLY LEU ALA ALA SER ALA GLY LEU SEQRES 27 A 368 VAL VAL GLU GLU VAL ARG GLY PRO LEU VAL SER PRO ASN SEQRES 28 A 368 VAL PRO LEU ASP SER CYS LEU LEU VAL LEU ALA PRO ALA SEQRES 29 A 368 ALA THR GLY ALA HET SAH A 401 26 HET ZBX A 402 31 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM ZBX METHYL (1R,2R,4S)-2-ETHYL-7-METHOXY-2,4,5- HETNAM 2 ZBX TRIS(OXIDANYL)-6,11-BIS(OXIDANYLIDENE)-3,4-DIHYDRO-1H- HETNAM 3 ZBX TETRACENE-1-CARBOXYLATE FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 ZBX C23 H22 O8 FORMUL 4 HOH *261(H2 O) HELIX 1 AA1 ASP A 15 GLY A 24 1 10 HELIX 2 AA2 LEU A 26 LEU A 38 1 13 HELIX 3 AA3 ARG A 39 ALA A 46 1 8 HELIX 4 AA4 THR A 50 ASP A 59 1 10 HELIX 5 AA5 ARG A 61 ILE A 75 1 15 HELIX 6 AA6 VAL A 91 ALA A 96 5 6 HELIX 7 AA7 ALA A 102 HIS A 107 1 6 HELIX 8 AA8 GLN A 111 ASP A 117 1 7 HELIX 9 AA9 ILE A 118 THR A 121 5 4 HELIX 10 AB1 ARG A 122 GLY A 130 1 9 HELIX 11 AB2 THR A 133 GLY A 139 1 7 HELIX 12 AB3 PRO A 141 GLY A 148 1 8 HELIX 13 AB4 ARG A 149 THR A 161 1 13 HELIX 14 AB5 PHE A 168 ALA A 174 1 7 HELIX 15 AB6 GLY A 191 ALA A 201 1 11 HELIX 16 AB7 GLY A 213 GLU A 225 1 13 HELIX 17 AB8 VAL A 254 TRP A 258 5 5 HELIX 18 AB9 PRO A 259 ALA A 273 1 15 HELIX 19 AC1 GLY A 299 GLY A 312 1 14 HELIX 20 AC2 THR A 317 ALA A 328 1 12 SHEET 1 AA1 2 LEU A 78 GLU A 80 0 SHEET 2 AA1 2 PHE A 86 PRO A 88 -1 O VAL A 87 N GLU A 79 SHEET 1 AA2 7 VAL A 231 GLU A 235 0 SHEET 2 AA2 7 SER A 205 GLU A 210 1 N VAL A 208 O VAL A 234 SHEET 3 AA2 7 HIS A 182 VAL A 186 1 N ASP A 185 O THR A 207 SHEET 4 AA2 7 ALA A 246 SER A 252 1 O ILE A 250 N LEU A 184 SHEET 5 AA2 7 LEU A 274 GLU A 284 1 O LEU A 281 N LEU A 251 SHEET 6 AA2 7 CYS A 349 PRO A 355 -1 O LEU A 351 N ILE A 282 SHEET 7 AA2 7 LEU A 330 ARG A 336 -1 N GLU A 334 O VAL A 352 CRYST1 60.750 124.950 102.340 90.00 90.00 90.00 C 2 2 21 8 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 0.016461 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008003 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009771 0.00000