HEADER IMMUNE SYSTEM 31-JAN-14 4CP3 TITLE THE STRUCTURE OF BCL6 BTB (POZ) DOMAIN IN COMPLEX WITH THE ANSAMYCIN TITLE 2 ANTIBIOTIC RIFABUTIN. COMPND MOL_ID: 1; COMPND 2 MOLECULE: B-CELL LYMPHOMA 6 PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: BTB DOMAIN, RESIDUES 9-128; COMPND 5 SYNONYM: BCL-6, B-CELL LYMPHOMA 5 PROTEIN, BCL-5, PROTEIN LAZ-3, COMPND 6 ZINC FINGER AND BTB DOMAIN-CONTAINING PROTEIN 27, ZINC FINGER COMPND 7 PROTEIN 51; COMPND 8 ENGINEERED: YES; COMPND 9 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VARIANT: ROSETTA; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_VECTOR: PET30 KEYWDS IMMUNE SYSTEM, BTB/POZ, TRANSCRIPTIONAL REPRESSOR, RIFAMYCIN, KEYWDS 2 ANTIBIOTIC, SMRT, INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR S.E.EVANS,L.FAIRALL,B.T.GOULT,A.G.JAMIESON,P.K.FERRIGNO,R.FORD, AUTHOR 2 S.D.WAGNER,J.W.R.SCHWABE REVDAT 1 19-MAR-14 4CP3 0 JRNL AUTH S.E.EVANS,B.T.GOULT,L.FAIRALL,A.G.JAMIESON,P.KO FERRIGNO, JRNL AUTH 2 R.FORD,J.W.R.SCHWABE,S.D.WAGNER JRNL TITL THE ANSAMYCIN ANTIBIOTIC, RIFAMYCIN SV, INHIBITS BCL6 JRNL TITL 2 TRANSCRIPTIONAL REPRESSION AND FORMS A COMPLEX WITH THE JRNL TITL 3 BCL6-BTB/POZ DOMAIN. JRNL REF PLOS ONE V. 9 90889 2014 JRNL REFN ISSN 1932-6203 JRNL PMID 24595451 JRNL DOI 10.1371/JOURNAL.PONE.0090889 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0049 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU, REMARK 3 STEINER,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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 57.92 REMARK 3 DATA CUTOFF (SIGMA(F)) : NONE REMARK 3 COMPLETENESS FOR RANGE (%) : 97.13 REMARK 3 NUMBER OF REFLECTIONS : 9168 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) : 0.20193 REMARK 3 R VALUE (WORKING SET) : 0.19877 REMARK 3 FREE R VALUE : 0.26875 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.8 REMARK 3 FREE R VALUE TEST SET COUNT : 466 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.300 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.360 REMARK 3 REFLECTION IN BIN (WORKING SET) : 664 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.86 REMARK 3 BIN R VALUE (WORKING SET) : 0.229 REMARK 3 BIN FREE R VALUE SET COUNT : 45 REMARK 3 BIN FREE R VALUE : 0.281 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1969 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 61 REMARK 3 SOLVENT ATOMS : 23 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.366 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 1.85 REMARK 3 B22 (A**2) : -0.11 REMARK 3 B33 (A**2) : -1.71 REMARK 3 B12 (A**2) : 0.00 REMARK 3 B13 (A**2) : -0.01 REMARK 3 B23 (A**2) : 0.00 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.688 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.300 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.237 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 9.861 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.938 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.878 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 2063 ; 0.013 ; 0.019 REMARK 3 BOND LENGTHS OTHERS (A): 2046 ; 0.001 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2794 ; 1.875 ; 1.995 REMARK 3 BOND ANGLES OTHERS (DEGREES): 4659 ; 0.863 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 242 ; 6.623 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 96 ;34.034 ;23.125 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 375 ;17.089 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 20 ;19.575 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 332 ; 0.171 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 2279 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 499 ; 0.002 ; 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): 974 ; 1.848 ; 2.609 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 973 ; 1.840 ; 2.607 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1214 ; 3.032 ; 3.900 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 1089 ; 2.594 ; 3.193 REMARK 3 SIDE-CHAIN ANGLE REFINED 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 REMARK 3 RIDING POSITIONS. U VALUES REFINED INDIVIDUALLY REMARK 4 REMARK 4 4CP3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 31-JAN-14. REMARK 100 THE PDBE ID CODE IS EBI-59651. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-AUG-12 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : DIAMOND REMARK 200 BEAMLINE : I24 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.96861 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL (PILATUS 6M) REMARK 200 DETECTOR MANUFACTURER : DECTRIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9168 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.30 REMARK 200 RESOLUTION RANGE LOW (A) : 39.82 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 4.1 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 3.0 REMARK 200 R MERGE (I) : 0.108 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 9.80 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.9 REMARK 200 R MERGE FOR SHELL (I) : 0.518 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.10 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: PDB ENTRY 1R2B REMARK 200 REMARK 200 REMARK: NONE REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.17 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 6000, 100MM SODIUM REMARK 280 CITRATE, PH 5. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 27.41400 REMARK 290 SMTRY3 2 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: 4050 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13290 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.7 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 5 REMARK 465 SER A 128 REMARK 465 GLY B 5 REMARK 465 ALA B 6 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 39 -105.74 54.91 REMARK 500 ASP A 63 103.70 -58.34 REMARK 500 LYS A 126 59.71 103.06 REMARK 500 SER B 39 -119.14 54.62 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 RBT B1129 DBREF 4CP3 A 9 128 UNP P41182 BCL6_HUMAN 9 128 DBREF 4CP3 B 9 128 UNP P41182 BCL6_HUMAN 9 128 SEQADV 4CP3 GLY A 5 UNP P41182 EXPRESSION TAG SEQADV 4CP3 ALA A 6 UNP P41182 EXPRESSION TAG SEQADV 4CP3 SER A 7 UNP P41182 EXPRESSION TAG SEQADV 4CP3 GLN A 8 UNP P41182 EXPRESSION TAG SEQADV 4CP3 ARG A 67 UNP P41182 CYS 67 ENGINEERED MUTATION SEQADV 4CP3 ASN A 84 UNP P41182 CYS 84 ENGINEERED MUTATION SEQADV 4CP3 GLY B 5 UNP P41182 EXPRESSION TAG SEQADV 4CP3 ALA B 6 UNP P41182 EXPRESSION TAG SEQADV 4CP3 SER B 7 UNP P41182 EXPRESSION TAG SEQADV 4CP3 GLN B 8 UNP P41182 EXPRESSION TAG SEQADV 4CP3 ARG B 67 UNP P41182 CYS 67 ENGINEERED MUTATION SEQADV 4CP3 ASN B 84 UNP P41182 CYS 84 ENGINEERED MUTATION SEQRES 1 A 124 GLY ALA SER GLN ILE GLN PHE THR ARG HIS ALA SER ASP SEQRES 2 A 124 VAL LEU LEU ASN LEU ASN ARG LEU ARG SER ARG ASP ILE SEQRES 3 A 124 LEU THR ASP VAL VAL ILE VAL VAL SER ARG GLU GLN PHE SEQRES 4 A 124 ARG ALA HIS LYS THR VAL LEU MET ALA CYS SER GLY LEU SEQRES 5 A 124 PHE TYR SER ILE PHE THR ASP GLN LEU LYS ARG ASN LEU SEQRES 6 A 124 SER VAL ILE ASN LEU ASP PRO GLU ILE ASN PRO GLU GLY SEQRES 7 A 124 PHE ASN ILE LEU LEU ASP PHE MET TYR THR SER ARG LEU SEQRES 8 A 124 ASN LEU ARG GLU GLY ASN ILE MET ALA VAL MET ALA THR SEQRES 9 A 124 ALA MET TYR LEU GLN MET GLU HIS VAL VAL ASP THR CYS SEQRES 10 A 124 ARG LYS PHE ILE LYS ALA SER SEQRES 1 B 124 GLY ALA SER GLN ILE GLN PHE THR ARG HIS ALA SER ASP SEQRES 2 B 124 VAL LEU LEU ASN LEU ASN ARG LEU ARG SER ARG ASP ILE SEQRES 3 B 124 LEU THR ASP VAL VAL ILE VAL VAL SER ARG GLU GLN PHE SEQRES 4 B 124 ARG ALA HIS LYS THR VAL LEU MET ALA CYS SER GLY LEU SEQRES 5 B 124 PHE TYR SER ILE PHE THR ASP GLN LEU LYS ARG ASN LEU SEQRES 6 B 124 SER VAL ILE ASN LEU ASP PRO GLU ILE ASN PRO GLU GLY SEQRES 7 B 124 PHE ASN ILE LEU LEU ASP PHE MET TYR THR SER ARG LEU SEQRES 8 B 124 ASN LEU ARG GLU GLY ASN ILE MET ALA VAL MET ALA THR SEQRES 9 B 124 ALA MET TYR LEU GLN MET GLU HIS VAL VAL ASP THR CYS SEQRES 10 B 124 ARG LYS PHE ILE LYS ALA SER HET RBT B1129 61 HETNAM RBT RIFABUTIN HETSYN RBT (9S,12E,14S,15R,16S,17R,18R,19R,20S,21S,22E, HETSYN 2 RBT 24Z)-6-16,18,20- TETRAHYDROXY-1'-ISOBUTYL-14- HETSYN 3 RBT METHOXY-7,9,15,17,19,21,25- HETSYN 4 RBT HEPTAMETHYLSPIRO(9,4-(EPOXYPENTADECA(1,11,13)TRIENIMINO)-2H- HETSYN 5 RBT FURO(2',3':7,8)NAPHTH(1,2-D)IMIDAZOLE-2,4'- HETSYN 6 RBT PIPERIDINE)- 5,10,26(3H,9H)-TRIONE,16- HETSYN 7 RBT ACETATE; ANSAMYCIN FORMUL 3 RBT C46 H62 N4 O11 FORMUL 4 HOH *23(H2 O) HELIX 1 1 ARG A 13 ARG A 28 1 16 HELIX 2 2 HIS A 46 SER A 54 1 9 HELIX 3 3 SER A 54 ASP A 63 1 10 HELIX 4 4 LEU A 65 LEU A 69 5 5 HELIX 5 5 ASN A 79 SER A 93 1 15 HELIX 6 6 ASN A 101 GLN A 113 1 13 HELIX 7 7 MET A 114 ILE A 125 1 12 HELIX 8 8 THR B 12 ARG B 28 1 17 HELIX 9 9 HIS B 46 ALA B 52 1 7 HELIX 10 10 SER B 54 THR B 62 1 9 HELIX 11 11 ASN B 79 SER B 93 1 15 HELIX 12 12 ASN B 101 LEU B 112 1 12 HELIX 13 13 MET B 114 SER B 128 1 15 SHEET 1 AA 2 SER A 7 GLN A 10 0 SHEET 2 AA 2 ARG B 94 LEU B 97 -1 O LEU B 95 N ILE A 9 SHEET 1 AB 3 GLU A 41 ALA A 45 0 SHEET 2 AB 3 VAL A 34 VAL A 38 -1 O VAL A 34 N ALA A 45 SHEET 3 AB 3 VAL A 71 ASN A 73 1 O ILE A 72 N VAL A 37 SHEET 1 BA 3 GLU B 41 ALA B 45 0 SHEET 2 BA 3 VAL B 34 VAL B 38 -1 O VAL B 34 N ALA B 45 SHEET 3 BA 3 VAL B 71 ASN B 73 1 O ILE B 72 N VAL B 37 SITE 1 AC1 7 ASN A 21 ARG A 24 MET B 51 SER B 54 SITE 2 AC1 7 GLY B 55 TYR B 58 HOH B2005 CRYST1 35.172 54.828 58.159 90.00 95.21 90.00 P 1 21 1 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 0.028432 0.000000 0.002592 0.00000 SCALE2 0.000000 0.018239 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017266 0.00000 MASTER 263 0 1 13 8 0 2 6 0 0 0 20 END