HEADER HYDROLASE(ENDORIBONUCLEASE) 14-JAN-93 1RIL TITLE CRYSTAL STRUCTURE OF RIBONUCLEASE H FROM THERMUS THERMOPHILUS HB8 TITLE 2 REFINED AT 2.8 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEASE H; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.26.4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: THERMUS THERMOPHILUS; SOURCE 3 ORGANISM_TAXID: 274 KEYWDS HYDROLASE(ENDORIBONUCLEASE) EXPDTA X-RAY DIFFRACTION AUTHOR K.ISHIKAWA,M.OKUMURA,K.KATAYANAGI,S.KIMURA,S.KANAYA,H.NAKAMURA, AUTHOR 2 K.MORIKAWA REVDAT 5 14-FEB-24 1RIL 1 REMARK REVDAT 4 29-NOV-17 1RIL 1 HELIX REVDAT 3 24-FEB-09 1RIL 1 VERSN REVDAT 2 01-APR-03 1RIL 1 JRNL REVDAT 1 31-OCT-93 1RIL 0 JRNL AUTH K.ISHIKAWA,M.OKUMURA,K.KATAYANAGI,S.KIMURA,S.KANAYA, JRNL AUTH 2 H.NAKAMURA,K.MORIKAWA JRNL TITL CRYSTAL STRUCTURE OF RIBONUCLEASE H FROM THERMUS JRNL TITL 2 THERMOPHILUS HB8 REFINED AT 2.8 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 230 529 1993 JRNL REFN ISSN 0022-2836 JRNL PMID 8385228 JRNL DOI 10.1006/JMBI.1993.1169 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.OKUMURA,K.ISHIKAWA,S.KANAYA,M.ITAYA,K.MORIKAWA REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY CRYSTALLOGRAPHIC ANALYSIS OF REMARK 1 TITL 2 RIBONUCLEASE H FROM THERMUS THERMOPHILUS HB8 REMARK 1 REF PROTEINS V. 15 108 1993 REMARK 1 REFN ISSN 0887-3585 REMARK 2 REMARK 2 RESOLUTION. 2.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 4766 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.205 REMARK 3 R VALUE (WORKING SET) : NULL REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1174 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.019 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.048 ; 0.030 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.055 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.016 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.208 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.203 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.252 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.218 ; 0.300 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 3.000 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 28.000; 15.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.913 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.908 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.896 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.801 ; 2.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THERE ARE TWO REGIONS OF LOW (OR NO) DENSITY, CONSISTING REMARK 3 OF MET -4 - PRO 1 (N TERMINUS) AND PRO 148 - ALA 161 (C REMARK 3 TERMINUS). REMARK 4 REMARK 4 1RIL COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000176098. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.11 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+1/6 REMARK 290 6555 X-Y,X,Z+5/6 REMARK 290 7555 Y,X,-Z+2/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+1/3 REMARK 290 10555 -Y,-X,-Z+1/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+5/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 209.80000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 104.90000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 157.35000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 52.45000 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 262.25000 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 209.80000 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 104.90000 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 52.45000 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 157.35000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 262.25000 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 MET A -3 REMARK 465 ASN A -2 REMARK 465 PRO A -1 REMARK 465 SER A 0 REMARK 465 PRO A 1 REMARK 465 PRO A 148 REMARK 465 CYS A 149 REMARK 465 PRO A 150 REMARK 465 PRO A 151 REMARK 465 ARG A 152 REMARK 465 ALA A 153 REMARK 465 PRO A 154 REMARK 465 THR A 155 REMARK 465 LEU A 156 REMARK 465 PHE A 157 REMARK 465 HIS A 158 REMARK 465 GLU A 159 REMARK 465 GLU A 160 REMARK 465 ALA A 161 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 ARG A 2 CG - CD - NE ANGL. DEV. = 17.2 DEGREES REMARK 500 ARG A 2 CD - NE - CZ ANGL. DEV. = 14.2 DEGREES REMARK 500 ARG A 2 NE - CZ - NH1 ANGL. DEV. = 4.7 DEGREES REMARK 500 ARG A 2 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 PHE A 28 O - C - N ANGL. DEV. = 10.8 DEGREES REMARK 500 GLU A 48 CA - CB - CG ANGL. DEV. = 14.2 DEGREES REMARK 500 LEU A 59 CA - CB - CG ANGL. DEV. = 29.6 DEGREES REMARK 500 GLU A 61 CA - CB - CG ANGL. DEV. = 14.5 DEGREES REMARK 500 ASP A 66 CB - CG - OD1 ANGL. DEV. = 6.8 DEGREES REMARK 500 LEU A 67 CB - CA - C ANGL. DEV. = 13.1 DEGREES REMARK 500 GLU A 80 OE1 - CD - OE2 ANGL. DEV. = 10.1 DEGREES REMARK 500 ARG A 86 CA - CB - CG ANGL. DEV. = 16.3 DEGREES REMARK 500 ARG A 88 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 ARG A 91 CD - NE - CZ ANGL. DEV. = 10.4 DEGREES REMARK 500 ARG A 91 NE - CZ - NH1 ANGL. DEV. = -5.2 DEGREES REMARK 500 ARG A 91 NE - CZ - NH2 ANGL. DEV. = 5.0 DEGREES REMARK 500 THR A 92 N - CA - CB ANGL. DEV. = -11.7 DEGREES REMARK 500 ARG A 101 NE - CZ - NH1 ANGL. DEV. = 4.9 DEGREES REMARK 500 ASP A 102 CB - CG - OD2 ANGL. DEV. = -5.5 DEGREES REMARK 500 LEU A 103 CA - CB - CG ANGL. DEV. = 16.3 DEGREES REMARK 500 GLU A 105 CA - CB - CG ANGL. DEV. = 13.5 DEGREES REMARK 500 ALA A 106 O - C - N ANGL. DEV. = 11.4 DEGREES REMARK 500 ARG A 115 CG - CD - NE ANGL. DEV. = 16.6 DEGREES REMARK 500 ARG A 117 N - CA - CB ANGL. DEV. = 12.6 DEGREES REMARK 500 ARG A 117 CA - CB - CG ANGL. DEV. = 22.5 DEGREES REMARK 500 ARG A 117 NE - CZ - NH1 ANGL. DEV. = -4.2 DEGREES REMARK 500 HIS A 119 N - CA - CB ANGL. DEV. = 11.3 DEGREES REMARK 500 HIS A 127 CA - CB - CG ANGL. DEV. = -12.3 DEGREES REMARK 500 ARG A 132 CD - NE - CZ ANGL. DEV. = 14.3 DEGREES REMARK 500 ARG A 132 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 VAL A 133 N - CA - CB ANGL. DEV. = -15.3 DEGREES REMARK 500 VAL A 133 CG1 - CB - CG2 ANGL. DEV. = 10.6 DEGREES REMARK 500 ASP A 134 CA - CB - CG ANGL. DEV. = 17.9 DEGREES REMARK 500 ARG A 135 CD - NE - CZ ANGL. DEV. = 19.4 DEGREES REMARK 500 ARG A 135 NE - CZ - NH1 ANGL. DEV. = -3.0 DEGREES REMARK 500 ARG A 139 CD - NE - CZ ANGL. DEV. = 30.2 DEGREES REMARK 500 ARG A 139 NE - CZ - NH1 ANGL. DEV. = -4.7 DEGREES REMARK 500 ARG A 139 NE - CZ - NH2 ANGL. DEV. = 6.2 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 LYS A 3 105.44 131.42 REMARK 500 ASP A 10 147.49 -170.41 REMARK 500 TRP A 22 -162.53 -123.40 REMARK 500 ALA A 23 145.07 178.62 REMARK 500 ARG A 27 91.51 -59.95 REMARK 500 ALA A 30 83.92 -154.69 REMARK 500 HIS A 31 143.32 146.55 REMARK 500 THR A 42 -170.66 -174.03 REMARK 500 ASN A 44 -58.62 -24.22 REMARK 500 PRO A 62 100.97 -44.35 REMARK 500 LYS A 76 -80.82 -55.92 REMARK 500 ALA A 77 -32.53 -36.84 REMARK 500 GLU A 80 31.95 -92.53 REMARK 500 TRP A 81 -72.01 -50.22 REMARK 500 VAL A 98 138.49 -31.75 REMARK 500 ASN A 100 36.29 72.31 REMARK 500 ALA A 112 -72.13 -21.23 REMARK 500 ARG A 115 78.33 -115.69 REMARK 500 LYS A 122 98.32 -57.22 REMARK 500 HIS A 124 22.15 -73.50 REMARK 500 GLN A 144 -152.54 -127.63 REMARK 500 LYS A 146 61.53 -104.58 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: MG REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE NUMBERING OF THE AMINO ACIDS CONFORMS TO THAT OF REMARK 999 ESCHERICHIA COLI RNASE HI, IN ORDER TO FACILITATE THE REMARK 999 COMPARISON BETWEEN THE TWO ENZYMES. THERE IS A SINGLE REMARK 999 INSERTION BETWEEN RESIDUES 80 AND 81, NUMBERED 80B. DBREF 1RIL A -3 161 UNP P29253 RNH_THET8 1 166 SEQRES 1 A 166 MET ASN PRO SER PRO ARG LYS ARG VAL ALA LEU PHE THR SEQRES 2 A 166 ASP GLY ALA CYS LEU GLY ASN PRO GLY PRO GLY GLY TRP SEQRES 3 A 166 ALA ALA LEU LEU ARG PHE HIS ALA HIS GLU LYS LEU LEU SEQRES 4 A 166 SER GLY GLY GLU ALA CYS THR THR ASN ASN ARG MET GLU SEQRES 5 A 166 LEU LYS ALA ALA ILE GLU GLY LEU LYS ALA LEU LYS GLU SEQRES 6 A 166 PRO CYS GLU VAL ASP LEU TYR THR ASP SER HIS TYR LEU SEQRES 7 A 166 LYS LYS ALA PHE THR GLU GLY TRP LEU GLU GLY TRP ARG SEQRES 8 A 166 LYS ARG GLY TRP ARG THR ALA GLU GLY LYS PRO VAL LYS SEQRES 9 A 166 ASN ARG ASP LEU TRP GLU ALA LEU LEU LEU ALA MET ALA SEQRES 10 A 166 PRO HIS ARG VAL ARG PHE HIS PHE VAL LYS GLY HIS THR SEQRES 11 A 166 GLY HIS PRO GLU ASN GLU ARG VAL ASP ARG GLU ALA ARG SEQRES 12 A 166 ARG GLN ALA GLN SER GLN ALA LYS THR PRO CYS PRO PRO SEQRES 13 A 166 ARG ALA PRO THR LEU PHE HIS GLU GLU ALA HELIX 1 A1 THR A 43 ALA A 58 1 16 HELIX 2 3H1 GLY A 55 LEU A 59 5 5 HELIX 3 A2 SER A 71 GLU A 80 1 10 HELIX 4 A3 TRP A 81 GLY A 89 1 9 HELIX 5 A4 ASN A 100 ALA A 112 1 13 HELIX 6 A5 ASN A 130 GLN A 142 1 13 HELIX 7 3H2 ARG A 138 SER A 143 5 6 SHEET 1 S1 5 HIS A 31 GLU A 39 0 SHEET 2 S1 5 PRO A 19 PHE A 28 -1 O PHE A 28 N HIS A 31 SHEET 3 S1 5 VAL A 5 LEU A 14 -1 N ALA A 6 O ARG A 27 SHEET 4 S1 5 CYS A 63 THR A 69 1 O GLU A 64 N VAL A 5 SHEET 5 S1 5 ARG A 115 HIS A 119 1 N ARG A 115 O CYS A 63 CISPEP 1 ASN A 16 PRO A 17 0 0.13 SITE 1 MG 3 ASP A 10 GLU A 48 ASP A 70 CRYST1 44.700 44.700 314.700 90.00 90.00 120.00 P 65 2 2 12 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 0.022371 0.012916 0.000000 0.00000 SCALE2 0.000000 0.025832 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003178 0.00000