HEADER DNA BINDING PROTEIN/DNA 27-JUL-19 6KKS TITLE STRUCTURAL INSIGHTS INTO TARGET DNA RECOGNITION BY R2R3-TYPE MYB TITLE 2 TRANSCRIPTION FACTOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRANSCRIPTION FACTOR WER; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: MYB-RELATED PROTEIN 66,ATMYB66,PROTEIN WEREWOLF; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: DNA (5'- COMPND 8 D(*AP*AP*AP*TP*TP*CP*TP*CP*CP*AP*AP*CP*CP*GP*CP*AP*TP*TP*TP*TP*C)- COMPND 9 3'); COMPND 10 CHAIN: B; COMPND 11 ENGINEERED: YES; COMPND 12 MOL_ID: 3; COMPND 13 MOLECULE: DNA (5'- COMPND 14 D(*CP*GP*AP*AP*AP*AP*TP*GP*CP*GP*GP*TP*TP*GP*GP*AP*GP*AP*AP*TP*T)- COMPND 15 3'); COMPND 16 CHAIN: C; COMPND 17 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 3 ORGANISM_COMMON: MOUSE-EAR CRESS; SOURCE 4 ORGANISM_TAXID: 3702; SOURCE 5 GENE: WER; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 MOL_ID: 2; SOURCE 10 SYNTHETIC: YES; SOURCE 11 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 12 ORGANISM_TAXID: 3702; SOURCE 13 MOL_ID: 3; SOURCE 14 SYNTHETIC: YES; SOURCE 15 ORGANISM_SCIENTIFIC: ARABIDOPSIS THALIANA; SOURCE 16 ORGANISM_TAXID: 3702 KEYWDS TRANSCRIPTION FACTOR, DNA BINDING PROTEIN-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.WANG,Q.LUO REVDAT 4 22-NOV-23 6KKS 1 REMARK REVDAT 3 22-JAN-20 6KKS 1 JRNL REVDAT 2 04-DEC-19 6KKS 1 JRNL REVDAT 1 13-NOV-19 6KKS 0 JRNL AUTH B.WANG,Q.LUO,Y.LI,L.YIN,N.ZHOU,X.LI,J.GAN,A.DONG JRNL TITL STRUCTURAL INSIGHTS INTO TARGET DNA RECOGNITION BY R2R3-MYB JRNL TITL 2 TRANSCRIPTION FACTORS. JRNL REF NUCLEIC ACIDS RES. V. 48 460 2020 JRNL REFN ESSN 1362-4962 JRNL PMID 31733060 JRNL DOI 10.1093/NAR/GKZ1081 REMARK 2 REMARK 2 RESOLUTION. 2.15 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0135 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) : 2.15 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 3 NUMBER OF REFLECTIONS : 13289 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) : 0.215 REMARK 3 R VALUE (WORKING SET) : 0.214 REMARK 3 FREE R VALUE : 0.246 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.500 REMARK 3 FREE R VALUE TEST SET COUNT : 624 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) : 2.15 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.21 REMARK 3 REFLECTION IN BIN (WORKING SET) : 984 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.90 REMARK 3 BIN R VALUE (WORKING SET) : 0.2750 REMARK 3 BIN FREE R VALUE SET COUNT : 36 REMARK 3 BIN FREE R VALUE : 0.3340 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 873 REMARK 3 NUCLEIC ACID ATOMS : 812 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 69 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 43.05 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 40.62 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -4.12000 REMARK 3 B22 (A**2) : 2.98000 REMARK 3 B33 (A**2) : 1.14000 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): 0.247 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.195 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.142 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.484 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.947 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): 1802 ; 0.006 ; 0.015 REMARK 3 BOND LENGTHS OTHERS (A): 1327 ; 0.002 ; 0.020 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2599 ; 1.149 ; 1.525 REMARK 3 BOND ANGLES OTHERS (DEGREES): 3072 ; 1.197 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 105 ; 5.658 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 42 ;30.965 ;22.381 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 171 ;13.485 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ; 8.850 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 244 ; 0.061 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1461 ; 0.006 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 414 ; 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 6KKS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-AUG-19. REMARK 100 THE DEPOSITION ID IS D_1300013188. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-MAY-17 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 : BL17U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97915 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : MARMOSAIC 300 MM CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13918 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.150 REMARK 200 RESOLUTION RANGE LOW (A) : 48.364 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.6 REMARK 200 DATA REDUNDANCY : 14.24 REMARK 200 R MERGE (I) : 0.10500 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.0400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.15 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 14.37 REMARK 200 R MERGE FOR SHELL (I) : 0.93500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.500 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: 1H8A REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M MES PH 6.0, 30%(V/V) PEG600, REMARK 280 5%(W/V) PEG1000 AND 10%(V/V) GLYCEROL, VAPOR DIFFUSION, SITTING REMARK 280 DROP, TEMPERATURE 291K 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 26.04200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 36.97800 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.96350 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 36.97800 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.04200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.96350 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 4100 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12660 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -35.0 KCAL/MOL 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 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 12 REMARK 465 ASN A 13 REMARK 465 LEU A 120 REMARK 465 GLY A 121 REMARK 465 ILE A 122 REMARK 465 LYS A 123 REMARK 465 ASP A 124 REMARK 465 GLN A 125 REMARK 465 LYS A 126 REMARK 465 THR A 127 REMARK 465 LYS A 128 REMARK 465 GLN A 129 REMARK 465 SER A 130 REMARK 465 DA B 1 REMARK 465 DA B 2 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 ASN A 14 CG OD1 ND2 REMARK 470 GLU A 15 CG CD OE1 OE2 REMARK 470 LYS A 27 CE NZ REMARK 470 LYS A 118 CG CD CE NZ REMARK 470 LYS A 119 CG CD CE NZ REMARK 470 DA B 3 P OP1 OP2 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 LYS A 51 56.80 -101.87 REMARK 500 TYR A 64 -51.41 -124.59 REMARK 500 ASN A 91 42.64 -84.84 REMARK 500 ARG A 92 78.73 -102.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG A 201 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ALA A 97 O REMARK 620 2 VAL A 100 O 80.9 REMARK 620 3 ARG A 103 O 107.3 94.2 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 201 DBREF 6KKS A 12 130 UNP Q9SEI0 WER_ARATH 12 130 DBREF 6KKS B 1 21 PDB 6KKS 6KKS 1 21 DBREF 6KKS C 1 21 PDB 6KKS 6KKS 1 21 SEQRES 1 A 119 GLY ASN ASN GLU TYR LYS LYS GLY LEU TRP THR VAL GLU SEQRES 2 A 119 GLU ASP LYS ILE LEU MET ASP TYR VAL LYS ALA HIS GLY SEQRES 3 A 119 LYS GLY HIS TRP ASN ARG ILE ALA LYS LYS THR GLY LEU SEQRES 4 A 119 LYS ARG CYS GLY LYS SER CYS ARG LEU ARG TRP MET ASN SEQRES 5 A 119 TYR LEU SER PRO ASN VAL LYS ARG GLY ASN PHE THR GLU SEQRES 6 A 119 GLN GLU GLU ASP LEU ILE ILE ARG LEU HIS LYS LEU LEU SEQRES 7 A 119 GLY ASN ARG TRP SER LEU ILE ALA LYS ARG VAL PRO GLY SEQRES 8 A 119 ARG THR ASP ASN GLN VAL LYS ASN TYR TRP ASN THR HIS SEQRES 9 A 119 LEU SER LYS LYS LEU GLY ILE LYS ASP GLN LYS THR LYS SEQRES 10 A 119 GLN SER SEQRES 1 B 21 DA DA DA DT DT DC DT DC DC DA DA DC DC SEQRES 2 B 21 DG DC DA DT DT DT DT DC SEQRES 1 C 21 DC DG DA DA DA DA DT DG DC DG DG DT DT SEQRES 2 C 21 DG DG DA DG DA DA DT DT HET MG A 201 1 HETNAM MG MAGNESIUM ION FORMUL 4 MG MG 2+ FORMUL 5 HOH *69(H2 O) HELIX 1 AA1 THR A 22 GLY A 37 1 16 HELIX 2 AA2 ASN A 42 THR A 48 1 7 HELIX 3 AA3 CYS A 53 TYR A 64 1 12 HELIX 4 AA4 THR A 75 GLY A 90 1 16 HELIX 5 AA5 ARG A 92 LYS A 98 1 7 HELIX 6 AA6 THR A 104 LEU A 116 1 13 LINK O ALA A 97 MG MG A 201 1555 1555 2.31 LINK O VAL A 100 MG MG A 201 1555 1555 2.52 LINK O ARG A 103 MG MG A 201 1555 1555 2.18 SITE 1 AC1 6 ALA A 97 VAL A 100 ARG A 103 HOH A 325 SITE 2 AC1 6 HOH A 327 HOH A 328 CRYST1 52.084 63.927 73.956 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 0.019200 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015643 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013522 0.00000