HEADER TRANSCRIPTION 07-NOV-05 2C62 TITLE CRYSTAL STRUCTURE OF THE HUMAN TRANSCRIPTION COFACTOR PC4 IN COMPLEX TITLE 2 WITH SINGLE-STRANDED DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: ACTIVATED RNA POLYMERASE II TRANSCRIPTIONAL COACTIVATOR COMPND 3 P15; COMPND 4 CHAIN: A, B; COMPND 5 FRAGMENT: C-TERMINAL SSDNA-BINDING DOMAIN, RESIDUES 62-126; COMPND 6 SYNONYM: PC4, POSITIVE COFACTOR 4, P14; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: N-TERMINAL ALA RESIDUE RESULTS FROM VECTOR SEQUENCE; COMPND 9 MOL_ID: 2; COMPND 10 MOLECULE: 5'-D(*TP*TP*TP*TP*TP*TP*TP*TP*TP*TP COMPND 11 *TP*TP*TP*TP*TP*TP*TP*TP*TP*G)-3'; COMPND 12 CHAIN: C; COMPND 13 ENGINEERED: 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 BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PET-11A; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES KEYWDS TRANSCRIPTION COFACTOR, SINGLE-STRANDED DNA, PROTEIN-DNA COMPLEX, DNA KEYWDS 2 UNWINDING, ACTIVATOR, DNA-BINDING, NUCLEAR PROTEIN, PHOSPHORYLATION, KEYWDS 3 TRANSCRIPTION, TRANSCRIPTION REGULATION EXPDTA X-RAY DIFFRACTION AUTHOR S.WERTEN,D.MORAS REVDAT 4 13-DEC-23 2C62 1 SOURCE REVDAT 3 24-FEB-09 2C62 1 VERSN REVDAT 2 20-DEC-06 2C62 1 JRNL REVDAT 1 11-JAN-06 2C62 0 JRNL AUTH S.WERTEN,D.MORAS JRNL TITL A GLOBAL TRANSCRIPTION COFACTOR BOUND TO JUXTAPOSED STRANDS JRNL TITL 2 OF UNWOUND DNA JRNL REF NAT.STRUCT.MOL.BIOL. V. 13 181 2006 JRNL REFN ISSN 1545-9993 JRNL PMID 16415882 JRNL DOI 10.1038/NSMB1044 REMARK 2 REMARK 2 RESOLUTION. 1.74 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.74 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1346476.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.3 REMARK 3 NUMBER OF REFLECTIONS : 30178 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 SET) : 0.229 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1489 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.74 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.80 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 80.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2384 REMARK 3 BIN R VALUE (WORKING SET) : 0.3100 REMARK 3 BIN FREE R VALUE : 0.3670 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 129 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.032 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1090 REMARK 3 NUCLEIC ACID ATOMS : 323 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 176 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 29.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 42.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.30000 REMARK 3 B22 (A**2) : -0.30000 REMARK 3 B33 (A**2) : 0.59000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.26 REMARK 3 ESD FROM SIGMAA (A) : 0.22 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.29 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.28 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.70 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.910 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.340 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.090 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.170 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.340 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 52.43 REMARK 3 REMARK 3 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2C62 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 07-NOV-05. REMARK 100 THE DEPOSITION ID IS D_1290026269. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-JUN-03 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 6.75 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID14-4 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97930 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTAL MONOCHROMATOR REMARK 200 OPTICS : TOROIDAL FOCUSING MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31658 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.740 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.300 REMARK 200 R MERGE (I) : 0.04000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.74 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.80 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 4.80 REMARK 200 R MERGE FOR SHELL (I) : 0.30000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 5.430 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: EPMR REMARK 200 STARTING MODEL: PDB ENTRY 1PCF, CHAINS A AND B REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 62.77 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.33 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M ADA PH 6.75, 1.9 M AMMONIUM REMARK 280 SULFATE REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 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 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 65.94950 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 33.62100 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 33.62100 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 32.97475 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 33.62100 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 33.62100 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 98.92425 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 33.62100 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 33.62100 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 32.97475 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 33.62100 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 33.62100 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 98.92425 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 65.94950 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 300 REMARK: THE BIOLOGICALLY RELEVANT STATE OF THE REMARK 300 MOLECULE ISTHE CONTENTS OF THE ASYMMETRIC UNIT. 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C 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 400 REMARK 400 COMPOUND REMARK 400 GENERAL COACTIVATOR THAT FUNCTIONS IN COOPERATION WITH TAFS REMARK 400 AND MEDIATES FUNCTIONAL INTERACTIONS BETWEEN UPSTREAM REMARK 400 ACTIVATORS AND THE GENERAL TRANSCRIPTIONAL MACHINERY 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 DT C 1 REMARK 465 DT C 2 REMARK 465 DT C 3 REMARK 465 DT C 4 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS REMARK 500 REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 STANDARD TABLE: REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) REMARK 500 REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 DT C 5 P DT C 5 OP3 -0.084 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 A2005 DISTANCE = 5.85 ANGSTROMS REMARK 525 HOH B2001 DISTANCE = 5.82 ANGSTROMS REMARK 525 HOH B2002 DISTANCE = 6.17 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1128 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 C1021 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1PCF RELATED DB: PDB REMARK 900 HUMAN TRANSCRIPTIONAL COACTIVATOR PC4 C-TERMINAL DOMAIN REMARK 999 REMARK 999 SEQUENCE REMARK 999 C-TERMINAL DOMAIN ONLY, PRECEEDED BY ALA FROM EXPRESSION REMARK 999 VECTOR SEQUENCE REMARK 999 SYNTHETIC OLIGONUCLEOTIDE DBREF 2C62 A 62 62 PDB 2C62 2C62 62 62 DBREF 2C62 A 63 127 UNP P53999 TCP4_HUMAN 62 126 DBREF 2C62 B 62 62 PDB 2C62 2C62 62 62 DBREF 2C62 B 63 127 UNP P53999 TCP4_HUMAN 62 126 DBREF 2C62 C 1 20 PDB 2C62 2C62 1 20 SEQRES 1 A 66 ALA MET PHE GLN ILE GLY LYS MET ARG TYR VAL SER VAL SEQRES 2 A 66 ARG ASP PHE LYS GLY LYS VAL LEU ILE ASP ILE ARG GLU SEQRES 3 A 66 TYR TRP MET ASP PRO GLU GLY GLU MET LYS PRO GLY ARG SEQRES 4 A 66 LYS GLY ILE SER LEU ASN PRO GLU GLN TRP SER GLN LEU SEQRES 5 A 66 LYS GLU GLN ILE SER ASP ILE ASP ASP ALA VAL ARG LYS SEQRES 6 A 66 LEU SEQRES 1 B 66 ALA MET PHE GLN ILE GLY LYS MET ARG TYR VAL SER VAL SEQRES 2 B 66 ARG ASP PHE LYS GLY LYS VAL LEU ILE ASP ILE ARG GLU SEQRES 3 B 66 TYR TRP MET ASP PRO GLU GLY GLU MET LYS PRO GLY ARG SEQRES 4 B 66 LYS GLY ILE SER LEU ASN PRO GLU GLN TRP SER GLN LEU SEQRES 5 B 66 LYS GLU GLN ILE SER ASP ILE ASP ASP ALA VAL ARG LYS SEQRES 6 B 66 LEU SEQRES 1 C 20 DT DT DT DT DT DT DT DT DT DT DT DT DT SEQRES 2 C 20 DT DT DT DT DT DT DG HET SO4 A1128 5 HET SO4 C1021 5 HETNAM SO4 SULFATE ION FORMUL 4 SO4 2(O4 S 2-) FORMUL 6 HOH *176(H2 O) HELIX 1 1 ASN A 106 GLN A 116 1 11 HELIX 2 2 GLN A 116 LYS A 126 1 11 HELIX 3 3 ASN B 106 GLN B 116 1 11 HELIX 4 4 GLN B 116 LEU B 127 1 12 SHEET 1 AA 4 MET A 63 GLY A 67 0 SHEET 2 AA 4 ARG A 70 PHE A 77 -1 O ARG A 70 N ILE A 66 SHEET 3 AA 4 LYS A 80 MET A 90 -1 O LYS A 80 N PHE A 77 SHEET 4 AA 4 MET A 96 LEU A 105 -1 O LYS A 97 N TRP A 89 SHEET 1 BA 4 MET B 63 GLY B 67 0 SHEET 2 BA 4 ARG B 70 PHE B 77 -1 O ARG B 70 N ILE B 66 SHEET 3 BA 4 LYS B 80 MET B 90 -1 O LYS B 80 N PHE B 77 SHEET 4 BA 4 MET B 96 LEU B 105 -1 O LYS B 97 N TRP B 89 SITE 1 AC1 2 ALA A 62 HOH A2054 SITE 1 AC2 2 DG C 20 HOH C2049 CRYST1 67.242 67.242 131.899 90.00 90.00 90.00 P 41 21 2 16 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 0.014872 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014872 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007582 0.00000