HEADER DNA BINDING PROTEIN/DNA 28-MAY-03 1PGZ TITLE CRYSTAL STRUCTURE OF UP1 COMPLEXED WITH D(TTAGGGTTAG(6-MI)G); A HUMAN TITLE 2 TELOMERIC REPEAT CONTAINING 6-METHYL-8-(2-DEOXY-BETA-RIBOFURANOSYL) TITLE 3 ISOXANTHOPTERIDINE (6-MI) COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*T*TP*AP*GP*GP*GP*TP*TP*AP*GP*(6MI)P*G)-3'; COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: HETEROGENEOUS NUCLEAR RIBONUCLEOPROTEIN A1; COMPND 7 CHAIN: A; COMPND 8 FRAGMENT: RESIDUES 1-195; COMPND 9 SYNONYM: HELIX-DESTABILIZING PROTEIN; HNRNP A1; SINGLE-STRAND BINDING COMPND 10 PROTEIN; HNRNP CORE PROTEIN A1; UNWINDING PROTEIN 1; UP1; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 OTHER_DETAILS: SEQUENCE BASED ON HUMAN TELOMERIC REPEAT D(TTAGGG)N; SOURCE 4 MOL_ID: 2; SOURCE 5 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 6 ORGANISM_COMMON: HUMAN; SOURCE 7 ORGANISM_TAXID: 9606; SOURCE 8 GENE: HNRPA1; SOURCE 9 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 10 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 11 EXPRESSION_SYSTEM_STRAIN: BL21DE3; SOURCE 12 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 13 EXPRESSION_SYSTEM_PLASMID: PYS45 KEYWDS PROTEIN-DNA COMPLEX; UP1; HUMAN TELOMERIC REPEAT; HTR; TR2-11F; RRM; KEYWDS 2 RNA RECOGNITION MOTIF; 6-MI; 6-METHYL-8-(2-DEOXY-BETA- KEYWDS 3 RIBOFURANOSYL)ISOXANTHOPTERIDINE; HNRNP A1, DNA BINDING PROTEIN-DNA KEYWDS 4 COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.C.MYERS,S.A.MOORE,Y.SHAMOO REVDAT 3 16-AUG-23 1PGZ 1 LINK REVDAT 2 24-FEB-09 1PGZ 1 VERSN REVDAT 1 11-NOV-03 1PGZ 0 JRNL AUTH J.C.MYERS,S.A.MOORE,Y.SHAMOO JRNL TITL STRUCTURE-BASED INCORPORATION OF JRNL TITL 2 6-METHYL-8-(2-DEOXY-BETA-RIBOFURANOSYL)ISOXANTHOPTERIDINE JRNL TITL 3 INTO THE HUMAN TELOMERIC REPEAT DNA AS A PROBE FOR UP1 JRNL TITL 4 BINDING AND DESTABILIZATION OF G-TETRAD STRUCTURES JRNL REF J.BIOL.CHEM. V. 278 42300 2003 JRNL REFN ISSN 0021-9258 JRNL PMID 12904298 JRNL DOI 10.1074/JBC.M306147200 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 83.6 REMARK 3 NUMBER OF REFLECTIONS : 11985 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) : 0.235 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 607 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.76 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3240 REMARK 3 BIN FREE R VALUE : 0.3020 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 69 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.036 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1466 REMARK 3 NUCLEIC ACID ATOMS : 212 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 46 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.74000 REMARK 3 B22 (A**2) : 3.74000 REMARK 3 B33 (A**2) : -7.48000 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) : 0.46 REMARK 3 ESD FROM SIGMAA (A) : 0.58 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) : 0.41 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.49 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1PGZ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-JUN-03. REMARK 100 THE DEPOSITION ID IS D_1000019316. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-FEB-03 REMARK 200 TEMPERATURE (KELVIN) : 103.0 REMARK 200 PH : 8.1 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : OSMIC MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : CRYSTALCLEAR (MSC/RIGAKU) REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13747 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 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 (%) : 94.9 REMARK 200 DATA REDUNDANCY : 5.900 REMARK 200 R MERGE (I) : 0.09300 REMARK 200 R SYM (I) : 0.09300 REMARK 200 FOR THE DATA SET : 15.2000 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) : 2.64 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.1 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.32500 REMARK 200 R SYM FOR SHELL (I) : 0.32500 REMARK 200 FOR SHELL : 4.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 2UP1 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM PHOSPHATE, GLYCEROL, TRIS, REMARK 280 SODIUM CHLORIDE, MES, EDTA, BETA-MERCAPTOETHANOL, PH 8.1, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 283.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 43 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+3/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+3/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/4 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 85.73600 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 25.81100 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 25.81100 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 128.60400 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 25.81100 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 25.81100 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 42.86800 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 25.81100 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 25.81100 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 128.60400 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 25.81100 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 25.81100 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 42.86800 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 85.73600 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 APPLY THE FOLLOWING TO CHAINS: B, 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 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 B 201 REMARK 465 DG B 212 REMARK 465 SER A 2 REMARK 465 LYS A 3 REMARK 465 SER A 4 REMARK 465 GLU A 5 REMARK 465 SER A 6 REMARK 465 PRO A 7 REMARK 465 SER A 191 REMARK 465 SER A 192 REMARK 465 GLN A 193 REMARK 465 ARG A 194 REMARK 465 GLY A 195 REMARK 465 ARG A 196 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 DT B 202 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 GLU A 28 -76.33 -47.01 REMARK 500 CYS A 43 104.34 -169.09 REMARK 500 ASN A 50 -63.74 -92.22 REMARK 500 LYS A 52 10.18 55.27 REMARK 500 ARG A 82 111.73 -161.21 REMARK 500 SER A 91 139.94 -39.21 REMARK 500 REMARK 500 REMARK: NULL DBREF 1PGZ A 2 196 UNP P09651 ROA1_HUMAN 1 195 DBREF 1PGZ B 201 212 PDB 1PGZ 1PGZ 201 212 SEQRES 1 B 12 DT DT DA DG DG DG DT DT DA DG 6MI DG SEQRES 1 A 195 SER LYS SER GLU SER PRO LYS GLU PRO GLU GLN LEU ARG SEQRES 2 A 195 LYS LEU PHE ILE GLY GLY LEU SER PHE GLU THR THR ASP SEQRES 3 A 195 GLU SER LEU ARG SER HIS PHE GLU GLN TRP GLY THR LEU SEQRES 4 A 195 THR ASP CYS VAL VAL MET ARG ASP PRO ASN THR LYS ARG SEQRES 5 A 195 SER ARG GLY PHE GLY PHE VAL THR TYR ALA THR VAL GLU SEQRES 6 A 195 GLU VAL ASP ALA ALA MET ASN ALA ARG PRO HIS LYS VAL SEQRES 7 A 195 ASP GLY ARG VAL VAL GLU PRO LYS ARG ALA VAL SER ARG SEQRES 8 A 195 GLU ASP SER GLN ARG PRO GLY ALA HIS LEU THR VAL LYS SEQRES 9 A 195 LYS ILE PHE VAL GLY GLY ILE LYS GLU ASP THR GLU GLU SEQRES 10 A 195 HIS HIS LEU ARG ASP TYR PHE GLU GLN TYR GLY LYS ILE SEQRES 11 A 195 GLU VAL ILE GLU ILE MET THR ASP ARG GLY SER GLY LYS SEQRES 12 A 195 LYS ARG GLY PHE ALA PHE VAL THR PHE ASP ASP HIS ASP SEQRES 13 A 195 SER VAL ASP LYS ILE VAL ILE GLN LYS TYR HIS THR VAL SEQRES 14 A 195 ASN GLY HIS ASN CYS GLU VAL ARG LYS ALA LEU SER LYS SEQRES 15 A 195 GLN GLU MET ALA SER ALA SER SER SER GLN ARG GLY ARG HET 6MI B 211 25 HETNAM 6MI 6-METHYL-8-(2-DEOXY-RIBOFURANOSYL)ISOXANTHOPTERIDINE FORMUL 1 6MI C12 H16 N5 O8 P FORMUL 3 HOH *46(H2 O) HELIX 1 1 PRO A 10 ARG A 14 1 5 HELIX 2 2 THR A 26 GLU A 35 1 10 HELIX 3 3 GLN A 36 GLY A 38 5 3 HELIX 4 4 THR A 64 ASN A 73 1 10 HELIX 5 5 SER A 91 GLN A 96 1 6 HELIX 6 6 GLU A 117 GLU A 126 1 10 HELIX 7 7 GLN A 127 GLY A 129 5 3 HELIX 8 8 ASP A 155 ILE A 164 1 10 HELIX 9 9 SER A 182 SER A 190 1 9 SHEET 1 A 5 LEU A 40 ARG A 47 0 SHEET 2 A 5 SER A 54 TYR A 62 -1 O ARG A 55 N MET A 46 SHEET 3 A 5 LYS A 15 GLY A 19 -1 N ILE A 18 O GLY A 58 SHEET 4 A 5 VAL A 83 ARG A 88 -1 O GLU A 85 N GLY A 19 SHEET 5 A 5 HIS A 77 LYS A 78 -1 N HIS A 77 O VAL A 84 SHEET 1 B 4 ILE A 131 THR A 138 0 SHEET 2 B 4 LYS A 145 PHE A 153 -1 O THR A 152 N VAL A 133 SHEET 3 B 4 LYS A 106 GLY A 110 -1 N VAL A 109 O ALA A 149 SHEET 4 B 4 GLU A 176 LYS A 179 -1 O ARG A 178 N PHE A 108 SHEET 1 C 2 THR A 169 VAL A 170 0 SHEET 2 C 2 HIS A 173 ASN A 174 -1 O HIS A 173 N VAL A 170 LINK O3' DG B 210 P 6MI B 211 1555 1555 1.61 CISPEP 1 ARG A 75 PRO A 76 0 -0.09 CRYST1 51.622 51.622 171.472 90.00 90.00 90.00 P 43 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 0.019372 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019372 0.000000 0.00000 SCALE3 0.000000 0.000000 0.005832 0.00000