HEADER TRANSFERASE/DNA 26-FEB-15 4YGI TITLE CRYSTAL STRUCTURE OF SUVH5 SRA BOUND TO FULLY HYDROXYMETHYLATED CG DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: HISTONE-LYSINE N-METHYLTRANSFERASE, H3 LYSINE-9 SPECIFIC COMPND 3 SUVH5; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: SUVH5 SRA DOMAIN, UNP RESIDUES 362-528; COMPND 6 SYNONYM: HISTONE H3-K9 METHYLTRANSFERASE 5,H3-K9-HMTASE 5,PROTEIN SET COMPND 7 DOMAIN GROUP 9,SUPPRESSOR OF VARIEGATION 3-9 HOMOLOG PROTEIN 5, COMPND 8 SU(VAR)3-9 HOMOLOG PROTEIN 5; COMPND 9 EC: 2.1.1.43; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 2; COMPND 12 MOLECULE: POLYDEOXYRIBONUCLEOTIDE; COMPND 13 CHAIN: B; COMPND 14 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: SUVH5, SDG9, SET9, AT2G35160, T4C15.17; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ROSETTA2 DE3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PETSUMO; SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES; SOURCE 13 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 14 ORGANISM_TAXID: 32630; SOURCE 15 OTHER_DETAILS: CHEMICALLY SYNTHESIZED KEYWDS SUVH5 SRA, FULLY HYDROXYMETHYLATED CG, 5-HYDROXYMETHYLCYTOSINE, 5HMC KEYWDS 2 BINDING PROTEIN., TRANSFERASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR E.RAJAKUMARA REVDAT 3 08-NOV-23 4YGI 1 REMARK REVDAT 2 02-MAR-16 4YGI 1 JRNL REVDAT 1 17-FEB-16 4YGI 0 JRNL AUTH E.RAJAKUMARA,N.K.NAKARAKANTI,M.A.NIVYA,M.SATISH JRNL TITL MECHANISTIC INSIGHTS INTO THE RECOGNITION OF JRNL TITL 2 5-METHYLCYTOSINE OXIDATION DERIVATIVES BY THE SUVH5 SRA JRNL TITL 3 DOMAIN JRNL REF SCI REP V. 6 20161 2016 JRNL REFN ESSN 2045-2322 JRNL PMID 26841909 JRNL DOI 10.1038/SREP20161 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1692 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 : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 33.96 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.350 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 3 NUMBER OF REFLECTIONS : 7039 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.237 REMARK 3 R VALUE (WORKING SET) : 0.235 REMARK 3 FREE R VALUE : 0.283 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 331 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 33.9586 - 3.2698 0.98 3430 159 0.2188 0.2544 REMARK 3 2 3.2698 - 2.5956 0.99 3278 172 0.2979 0.3905 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) : 0.410 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 35.320 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 70.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 68.38 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 : 0.003 1381 REMARK 3 ANGLE : 0.607 1910 REMARK 3 CHIRALITY : 0.024 211 REMARK 3 PLANARITY : 0.003 215 REMARK 3 DIHEDRAL : 17.280 515 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 4YGI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 02-MAR-15. REMARK 100 THE DEPOSITION ID IS D_1000207324. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 08-NOV-11 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X29A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0718 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7060 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 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 (%) : 98.8 REMARK 200 DATA REDUNDANCY : 4.600 REMARK 200 R MERGE (I) : 0.06600 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 21.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.1 REMARK 200 DATA REDUNDANCY IN SHELL : 4.70 REMARK 200 R MERGE FOR SHELL (I) : 0.75000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 2.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 3Q0B REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.46 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2M SODIUM CHLORIDE, 0.1M BIS-TRIS PH REMARK 280 6.5, 25%(W/V) POLYETHYLENE GLYCOL 3,350, VAPOR DIFFUSION, REMARK 280 SITTING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y+1/2,X+1/2,Z+1/2 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 38.49000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 38.49000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 36.05550 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 38.49000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 38.49000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 36.05550 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 38.49000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.49000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 36.05550 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 38.49000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.49000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 36.05550 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 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5010 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 16480 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -41.0 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 350 BIOMT1 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 LYS A 439 REMARK 465 ASN A 440 REMARK 465 ASN A 441 REMARK 465 ASN A 474 REMARK 465 THR A 475 REMARK 465 THR A 476 REMARK 465 LEU A 477 REMARK 465 GLN A 478 REMARK 465 SER A 479 REMARK 465 SER A 480 REMARK 465 VAL A 481 REMARK 465 VAL A 482 REMARK 465 ALA A 483 REMARK 465 LYS A 525 REMARK 465 GLU A 526 REMARK 465 VAL A 527 REMARK 465 ALA A 528 REMARK 465 DT B 11 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 LYS A 399 CG CD CE NZ REMARK 470 ASP A 401 CB CG OD1 OD2 REMARK 470 GLU A 404 CG CD OE1 OE2 REMARK 470 ASN A 417 CG OD1 ND2 REMARK 470 LYS A 437 CG CD CE NZ REMARK 470 LYS A 438 CG CD CE NZ REMARK 470 GLU A 442 CG CD OE1 OE2 REMARK 470 LYS A 473 CG CD CE NZ REMARK 470 SER A 503 CB OG REMARK 470 GLU A 521 CG CD OE1 OE2 REMARK 470 TRP A 524 CG CD1 CD2 NE1 CE2 CE3 CZ2 REMARK 470 TRP A 524 CZ3 CH2 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 TYR A 416 -146.71 -124.09 REMARK 500 ASN A 434 74.87 55.94 REMARK 500 LYS A 437 30.86 -96.45 REMARK 500 THR A 451 -123.49 53.22 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 711 DISTANCE = 6.58 ANGSTROMS 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 601 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG B 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG B 102 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3Q0B RELATED DB: PDB REMARK 900 3Q0B CONTAINS THE SAME SUVH5 SRA COMPLEXED WITH FULLY METHYLATED CG REMARK 900 DNA IN SPACE GROUP P42212. REMARK 900 RELATED ID: 3Q0C RELATED DB: PDB REMARK 900 3Q0C CONTAINS THE SAME SUVH5 SRA COMPLEXED WITH FULLY METHYLATED CG REMARK 900 DNA IN SPACE GROUP P6122. REMARK 900 RELATED ID: 3Q0D RELATED DB: PDB REMARK 900 3Q0D CONTAINS THE SAME SUVH5 SRA COMPLEXED WITH HEMI METHYLATED CG REMARK 900 DNA. REMARK 900 RELATED ID: 3Q0F RELATED DB: PDB REMARK 900 3Q0F CONTAINS THE SAME SUVH5 SRA COMPLEXED WITH METHYLATED CHH DNA. DBREF 4YGI A 362 528 UNP O82175 SUVH5_ARATH 362 528 DBREF 4YGI B 1 11 PDB 4YGI 4YGI 1 11 SEQRES 1 A 167 GLN ILE ILE GLY THR VAL PRO GLY VAL GLU VAL GLY ASP SEQRES 2 A 167 GLU PHE GLN TYR ARG MET GLU LEU ASN LEU LEU GLY ILE SEQRES 3 A 167 HIS ARG PRO SER GLN SER GLY ILE ASP TYR MET LYS ASP SEQRES 4 A 167 ASP GLY GLY GLU LEU VAL ALA THR SER ILE VAL SER SER SEQRES 5 A 167 GLY GLY TYR ASN ASP VAL LEU ASP ASN SER ASP VAL LEU SEQRES 6 A 167 ILE TYR THR GLY GLN GLY GLY ASN VAL GLY LYS LYS LYS SEQRES 7 A 167 ASN ASN GLU PRO PRO LYS ASP GLN GLN LEU VAL THR GLY SEQRES 8 A 167 ASN LEU ALA LEU LYS ASN SER ILE ASN LYS LYS ASN PRO SEQRES 9 A 167 VAL ARG VAL ILE ARG GLY ILE LYS ASN THR THR LEU GLN SEQRES 10 A 167 SER SER VAL VAL ALA LYS ASN TYR VAL TYR ASP GLY LEU SEQRES 11 A 167 TYR LEU VAL GLU GLU TYR TRP GLU GLU THR GLY SER HIS SEQRES 12 A 167 GLY LYS LEU VAL PHE LYS PHE LYS LEU ARG ARG ILE PRO SEQRES 13 A 167 GLY GLN PRO GLU LEU PRO TRP LYS GLU VAL ALA SEQRES 1 B 11 DA DC DT DA 5HC DG DT DA DG DT DT HET 5HC B 5 21 HET MG A 601 1 HET MG B 101 1 HET MG B 102 1 HETNAM 5HC 2'-DEOXY-5-(HYDROXYMETHYL)CYTIDINE 5'-(DIHYDROGEN HETNAM 2 5HC PHOSPHATE) HETNAM MG MAGNESIUM ION FORMUL 2 5HC C10 H16 N3 O8 P FORMUL 3 MG 3(MG 2+) FORMUL 6 HOH *16(H2 O) HELIX 1 AA1 TYR A 378 LEU A 385 1 8 HELIX 2 AA2 VAL A 450 LYS A 463 1 14 SHEET 1 AA1 5 GLU A 375 PHE A 376 0 SHEET 2 AA1 5 TYR A 486 THR A 501 -1 O TYR A 486 N PHE A 376 SHEET 3 AA1 5 VAL A 466 GLY A 471 -1 N VAL A 466 O TYR A 492 SHEET 4 AA1 5 LEU A 405 SER A 412 1 N ILE A 410 O ARG A 467 SHEET 5 AA1 5 ILE A 395 LYS A 399 -1 N MET A 398 O VAL A 406 SHEET 1 AA2 4 GLU A 375 PHE A 376 0 SHEET 2 AA2 4 TYR A 486 THR A 501 -1 O TYR A 486 N PHE A 376 SHEET 3 AA2 4 LEU A 507 ARG A 515 -1 O VAL A 508 N GLU A 500 SHEET 4 AA2 4 VAL A 425 THR A 429 -1 N TYR A 428 O PHE A 511 LINK O3' DA B 4 P 5HC B 5 1555 1555 1.61 LINK O3' 5HC B 5 P DG B 6 1555 1555 1.61 SITE 1 AC1 3 ASP A 421 VAL A 425 GLU A 500 SITE 1 AC2 1 DT B 10 SITE 1 AC3 1 DG B 9 CRYST1 76.980 76.980 72.111 90.00 90.00 90.00 P 42 21 2 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 0.012990 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012990 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013868 0.00000