HEADER HYDROLASE 14-DEC-04 1Y97 TITLE THE HUMAN TREX2 3' EXONUCLEASE STRUCTURE SUGGESTS A TITLE 2 MECHANISM FOR EFFICIENT NON-PROCESSIVE DNA CATALYSIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: THREE PRIME REPAIR EXONUCLEASE 2; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: TREX2 EXONUCLEASE; COMPND 5 SYNONYM: 3'-5' EXONUCLEASE TREX2; COMPND 6 EC: 3.1.11.2; COMPND 7 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: TREX2; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS TREX2, EXONUCLEASE, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR F.W.PERRINO,S.HARVEY,S.MCMILLIN,T.HOLLIS REVDAT 3 24-FEB-09 1Y97 1 VERSN REVDAT 2 19-APR-05 1Y97 1 JRNL REVDAT 1 25-JAN-05 1Y97 0 JRNL AUTH F.W.PERRINO,S.HARVEY,S.MCMILLIN,T.HOLLIS JRNL TITL THE HUMAN TREX2 3' -> 5'-EXONUCLEASE STRUCTURE JRNL TITL 2 SUGGESTS A MECHANISM FOR EFFICIENT NONPROCESSIVE JRNL TITL 3 DNA CATALYSIS. JRNL REF J.BIOL.CHEM. V. 280 15212 2005 JRNL REFN ISSN 0021-9258 JRNL PMID 15661738 JRNL DOI 10.1074/JBC.M500108200 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 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) (%) : 97.0 REMARK 3 NUMBER OF REFLECTIONS : 14344 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.205 REMARK 3 FREE R VALUE : 0.261 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1405 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) : 2.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.61 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2230 REMARK 3 BIN FREE R VALUE : 0.3010 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 91 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3263 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 77 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL 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 1Y97 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 16-DEC-04. REMARK 100 THE RCSB ID CODE IS RCSB031274. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-MAR-03 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X12C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.97832, 0.97876, 0.9500 REMARK 200 MONOCHROMATOR : N/A REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : BRANDEIS - B4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14344 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.470 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.0 REMARK 200 DATA REDUNDANCY : 5.000 REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : 0.07800 REMARK 200 FOR THE DATA SET : 19.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.47 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 80.0 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.18000 REMARK 200 R SYM FOR SHELL (I) : 0.18000 REMARK 200 FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.4 M AMMONIUM PHOSPHATE, 7% REMARK 280 PEG400, PH 4.6, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 303K 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 26.25000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 50.85000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.60000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 50.85000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.25000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 38.60000 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 300 REMARK: BIOLOGICAL ASSEMBLY IS DIMER IN 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3170 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18300 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 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 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 ASP A 46 REMARK 465 GLU A 47 REMARK 465 SER A 48 REMARK 465 SER A 159 REMARK 465 HIS A 160 REMARK 465 GLY A 161 REMARK 465 THR A 162 REMARK 465 ARG A 163 REMARK 465 ALA A 164 REMARK 465 ARG A 165 REMARK 465 GLY A 166 REMARK 465 ARG A 167 REMARK 465 GLN A 168 REMARK 465 ALA A 186 REMARK 465 ALA A 187 REMARK 465 HIS A 188 REMARK 465 PRO A 229 REMARK 465 ASP A 230 REMARK 465 ASP A 231 REMARK 465 PRO A 232 REMARK 465 SER A 233 REMARK 465 LEU A 234 REMARK 465 GLU A 235 REMARK 465 ALA A 236 REMARK 465 ALA B -1 REMARK 465 GLY B 0 REMARK 465 MSE B 1 REMARK 465 SER B 2 REMARK 465 ALA B 157 REMARK 465 HIS B 158 REMARK 465 SER B 159 REMARK 465 HIS B 160 REMARK 465 GLY B 161 REMARK 465 THR B 162 REMARK 465 ARG B 163 REMARK 465 ALA B 164 REMARK 465 ARG B 165 REMARK 465 GLY B 166 REMARK 465 ARG B 167 REMARK 465 GLN B 168 REMARK 465 SER B 185 REMARK 465 ALA B 186 REMARK 465 ALA B 187 REMARK 465 PRO B 229 REMARK 465 ASP B 230 REMARK 465 ASP B 231 REMARK 465 PRO B 232 REMARK 465 SER B 233 REMARK 465 LEU B 234 REMARK 465 GLU B 235 REMARK 465 ALA B 236 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 ARG A 156 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 181 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 183 CG CD OE1 OE2 REMARK 470 ARG B 140 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 156 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 181 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OG SER A 22 OE2 GLU B 214 2764 2.04 REMARK 500 N ALA A -1 OD1 ASP B 123 2664 2.05 REMARK 500 REMARK 500 REMARK: NULL 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 ALA B 182 C GLU B 183 N -0.251 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND ANGLES 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,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1) 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 ATM2 ATM3 REMARK 500 ALA B 182 O - C - N ANGL. DEV. = -39.3 DEGREES REMARK 500 GLU B 183 C - N - CA ANGL. DEV. = 17.3 DEGREES REMARK 500 REMARK 500 REMARK: NULL 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 22 -9.18 -57.44 REMARK 500 GLU A 24 60.19 61.48 REMARK 500 ASN A 42 69.38 -150.58 REMARK 500 PHE A 93 103.53 -57.34 REMARK 500 TYR A 122 -77.79 -139.97 REMARK 500 ARG A 181 6.44 57.83 REMARK 500 ALA A 182 -155.78 169.87 REMARK 500 GLU A 183 127.94 -30.31 REMARK 500 ASP B 94 -167.01 -126.15 REMARK 500 TYR B 122 -75.72 -138.27 REMARK 500 PHE B 180 -36.95 -134.69 REMARK 500 ARG B 181 57.85 99.52 REMARK 500 ALA B 182 -16.55 154.31 REMARK 500 GLU B 183 179.59 67.37 REMARK 500 SER B 189 115.73 166.95 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ALA B 182 42.42 REMARK 500 REMARK 500 REMARK: NULL DBREF 1Y97 A 1 236 UNP Q9BQ50 TREX2_HUMAN 44 279 DBREF 1Y97 B 1 236 UNP Q9BQ50 TREX2_HUMAN 44 279 SEQADV 1Y97 ALA A -1 UNP Q9BQ50 CLONING ARTIFACT SEQADV 1Y97 GLY A 0 UNP Q9BQ50 CLONING ARTIFACT SEQADV 1Y97 MSE A 1 UNP Q9BQ50 MET 44 MODIFIED RESIDUE SEQADV 1Y97 MSE A 64 UNP Q9BQ50 MET 107 MODIFIED RESIDUE SEQADV 1Y97 MSE A 225 UNP Q9BQ50 MET 268 MODIFIED RESIDUE SEQADV 1Y97 ALA B -1 UNP Q9BQ50 CLONING ARTIFACT SEQADV 1Y97 GLY B 0 UNP Q9BQ50 CLONING ARTIFACT SEQADV 1Y97 MSE B 1 UNP Q9BQ50 MET 44 MODIFIED RESIDUE SEQADV 1Y97 MSE B 64 UNP Q9BQ50 MET 107 MODIFIED RESIDUE SEQADV 1Y97 MSE B 225 UNP Q9BQ50 MET 268 MODIFIED RESIDUE SEQRES 1 A 238 ALA GLY MSE SER GLU ALA PRO ARG ALA GLU THR PHE VAL SEQRES 2 A 238 PHE LEU ASP LEU GLU ALA THR GLY LEU PRO SER VAL GLU SEQRES 3 A 238 PRO GLU ILE ALA GLU LEU SER LEU PHE ALA VAL HIS ARG SEQRES 4 A 238 SER SER LEU GLU ASN PRO GLU HIS ASP GLU SER GLY ALA SEQRES 5 A 238 LEU VAL LEU PRO ARG VAL LEU ASP LYS LEU THR LEU CYS SEQRES 6 A 238 MSE CYS PRO GLU ARG PRO PHE THR ALA LYS ALA SER GLU SEQRES 7 A 238 ILE THR GLY LEU SER SER GLU GLY LEU ALA ARG CYS ARG SEQRES 8 A 238 LYS ALA GLY PHE ASP GLY ALA VAL VAL ARG THR LEU GLN SEQRES 9 A 238 ALA PHE LEU SER ARG GLN ALA GLY PRO ILE CYS LEU VAL SEQRES 10 A 238 ALA HIS ASN GLY PHE ASP TYR ASP PHE PRO LEU LEU CYS SEQRES 11 A 238 ALA GLU LEU ARG ARG LEU GLY ALA ARG LEU PRO ARG ASP SEQRES 12 A 238 THR VAL CYS LEU ASP THR LEU PRO ALA LEU ARG GLY LEU SEQRES 13 A 238 ASP ARG ALA HIS SER HIS GLY THR ARG ALA ARG GLY ARG SEQRES 14 A 238 GLN GLY TYR SER LEU GLY SER LEU PHE HIS ARG TYR PHE SEQRES 15 A 238 ARG ALA GLU PRO SER ALA ALA HIS SER ALA GLU GLY ASP SEQRES 16 A 238 VAL HIS THR LEU LEU LEU ILE PHE LEU HIS ARG ALA ALA SEQRES 17 A 238 GLU LEU LEU ALA TRP ALA ASP GLU GLN ALA ARG GLY TRP SEQRES 18 A 238 ALA HIS ILE GLU PRO MSE TYR LEU PRO PRO ASP ASP PRO SEQRES 19 A 238 SER LEU GLU ALA SEQRES 1 B 238 ALA GLY MSE SER GLU ALA PRO ARG ALA GLU THR PHE VAL SEQRES 2 B 238 PHE LEU ASP LEU GLU ALA THR GLY LEU PRO SER VAL GLU SEQRES 3 B 238 PRO GLU ILE ALA GLU LEU SER LEU PHE ALA VAL HIS ARG SEQRES 4 B 238 SER SER LEU GLU ASN PRO GLU HIS ASP GLU SER GLY ALA SEQRES 5 B 238 LEU VAL LEU PRO ARG VAL LEU ASP LYS LEU THR LEU CYS SEQRES 6 B 238 MSE CYS PRO GLU ARG PRO PHE THR ALA LYS ALA SER GLU SEQRES 7 B 238 ILE THR GLY LEU SER SER GLU GLY LEU ALA ARG CYS ARG SEQRES 8 B 238 LYS ALA GLY PHE ASP GLY ALA VAL VAL ARG THR LEU GLN SEQRES 9 B 238 ALA PHE LEU SER ARG GLN ALA GLY PRO ILE CYS LEU VAL SEQRES 10 B 238 ALA HIS ASN GLY PHE ASP TYR ASP PHE PRO LEU LEU CYS SEQRES 11 B 238 ALA GLU LEU ARG ARG LEU GLY ALA ARG LEU PRO ARG ASP SEQRES 12 B 238 THR VAL CYS LEU ASP THR LEU PRO ALA LEU ARG GLY LEU SEQRES 13 B 238 ASP ARG ALA HIS SER HIS GLY THR ARG ALA ARG GLY ARG SEQRES 14 B 238 GLN GLY TYR SER LEU GLY SER LEU PHE HIS ARG TYR PHE SEQRES 15 B 238 ARG ALA GLU PRO SER ALA ALA HIS SER ALA GLU GLY ASP SEQRES 16 B 238 VAL HIS THR LEU LEU LEU ILE PHE LEU HIS ARG ALA ALA SEQRES 17 B 238 GLU LEU LEU ALA TRP ALA ASP GLU GLN ALA ARG GLY TRP SEQRES 18 B 238 ALA HIS ILE GLU PRO MSE TYR LEU PRO PRO ASP ASP PRO SEQRES 19 B 238 SER LEU GLU ALA MODRES 1Y97 MSE A 1 MET SELENOMETHIONINE MODRES 1Y97 MSE A 64 MET SELENOMETHIONINE MODRES 1Y97 MSE A 225 MET SELENOMETHIONINE MODRES 1Y97 MSE B 64 MET SELENOMETHIONINE MODRES 1Y97 MSE B 225 MET SELENOMETHIONINE HET MSE A 1 8 HET MSE A 64 8 HET MSE A 225 8 HET MSE B 64 8 HET MSE B 225 8 HETNAM MSE SELENOMETHIONINE FORMUL 1 MSE 5(C5 H11 N O2 SE) FORMUL 3 HOH *77(H2 O) HELIX 1 1 LEU A 20 GLU A 24 5 5 HELIX 2 2 ARG A 37 GLU A 41 1 5 HELIX 3 3 THR A 71 GLY A 79 1 9 HELIX 4 4 SER A 81 CYS A 88 1 8 HELIX 5 5 ASP A 94 SER A 106 1 13 HELIX 6 6 TYR A 122 LEU A 134 1 13 HELIX 7 7 THR A 147 HIS A 158 1 12 HELIX 8 8 SER A 171 ARG A 181 1 11 HELIX 9 9 SER A 189 ARG A 204 1 16 HELIX 10 10 ARG A 204 ALA A 216 1 13 HELIX 11 11 ALA A 220 ILE A 222 5 3 HELIX 12 12 LEU B 20 GLU B 24 5 5 HELIX 13 13 ARG B 37 ASN B 42 1 6 HELIX 14 14 THR B 71 GLY B 79 1 9 HELIX 15 15 SER B 81 CYS B 88 1 8 HELIX 16 16 ASP B 94 ARG B 107 1 14 HELIX 17 17 TYR B 122 ARG B 133 1 12 HELIX 18 18 THR B 147 ARG B 156 1 10 HELIX 19 19 SER B 171 PHE B 180 1 10 HELIX 20 20 SER B 189 ARG B 204 1 16 HELIX 21 21 ARG B 204 ALA B 216 1 13 HELIX 22 22 ALA B 220 ILE B 222 5 3 SHEET 1 A12 ARG A 217 GLY A 218 0 SHEET 2 A12 VAL A 143 ASP A 146 -1 N CYS A 144 O ARG A 217 SHEET 3 A12 ILE A 112 ALA A 116 1 N LEU A 114 O VAL A 143 SHEET 4 A12 THR A 9 ALA A 17 1 N VAL A 11 O VAL A 115 SHEET 5 A12 ILE A 27 HIS A 36 -1 O VAL A 35 N PHE A 10 SHEET 6 A12 ASP A 58 CYS A 63 -1 O ASP A 58 N ALA A 34 SHEET 7 A12 ASP B 58 CYS B 63 -1 O THR B 61 N LYS A 59 SHEET 8 A12 ILE B 27 HIS B 36 -1 N LEU B 32 O LEU B 60 SHEET 9 A12 THR B 9 ALA B 17 -1 N PHE B 10 O VAL B 35 SHEET 10 A12 ILE B 112 ALA B 116 1 O VAL B 115 N LEU B 13 SHEET 11 A12 VAL B 143 ASP B 146 1 O LEU B 145 N LEU B 114 SHEET 12 A12 ARG B 217 GLY B 218 -1 O ARG B 217 N CYS B 144 SHEET 1 B 2 GLU B 44 HIS B 45 0 SHEET 2 B 2 LEU B 51 VAL B 52 -1 O VAL B 52 N GLU B 44 LINK C GLY A 0 N MSE A 1 1555 1555 1.33 LINK C MSE A 1 N SER A 2 1555 1555 1.32 LINK C CYS A 63 N MSE A 64 1555 1555 1.33 LINK C MSE A 64 N CYS A 65 1555 1555 1.31 LINK C PRO A 224 N MSE A 225 1555 1555 1.33 LINK C MSE A 225 N TYR A 226 1555 1555 1.34 LINK C CYS B 63 N MSE B 64 1555 1555 1.32 LINK C MSE B 64 N CYS B 65 1555 1555 1.32 LINK C PRO B 224 N MSE B 225 1555 1555 1.32 LINK C MSE B 225 N TYR B 226 1555 1555 1.32 CISPEP 1 GLY A 110 PRO A 111 0 0.06 CISPEP 2 GLY B 110 PRO B 111 0 -0.35 CRYST1 52.500 77.200 101.700 90.00 90.00 90.00 P 21 21 21 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 0.019048 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012953 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009833 0.00000