HEADER HYDROLASE(NUCLEIC ACID,RNA) 28-AUG-92 1RTB TITLE CRYSTAL STRUCTURE DISPOSITION OF THYMIDYLIC ACID TETRAMER IN COMPLEX TITLE 2 WITH RIBONUCLEASE A COMPND MOL_ID: 1; COMPND 2 MOLECULE: RIBONUCLEASE A; COMPND 3 CHAIN: A; COMPND 4 EC: 3.1.27.5; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 ORGAN: PANCREAS KEYWDS HYDROLASE(NUCLEIC ACID, RNA) EXPDTA X-RAY DIFFRACTION AUTHOR D.L.BIRDSALL,A.MCPHERSON REVDAT 4 14-AUG-19 1RTB 1 REMARK REVDAT 3 17-JUL-19 1RTB 1 REMARK REVDAT 2 24-FEB-09 1RTB 1 VERSN REVDAT 1 31-OCT-93 1RTB 0 JRNL AUTH D.L.BIRDSALL,A.MCPHERSON JRNL TITL CRYSTAL STRUCTURE DISPOSITION OF THYMIDYLIC ACID TETRAMER IN JRNL TITL 2 COMPLEX WITH RIBONUCLEASE A. JRNL REF J.BIOL.CHEM. V. 267 22230 1992 JRNL REFN ISSN 0021-9258 JRNL PMID 1429575 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.WLODAWER,N.BORKAKOTI,D.S.MOSS,B.HOWLIN REMARK 1 TITL COMPARISON OF TWO INDEPENDENTLY REFINED MODELS OF REMARK 1 TITL 2 RIBONUCLEASE-A REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 42 379 1986 REMARK 1 REFN ISSN 0108-7681 REMARK 1 REFERENCE 2 REMARK 1 AUTH B.BORAH,C.-W.CHEN,W.EGAN,M.MILLER,A.WLODAWER,J.S.COHEN REMARK 1 TITL NUCLEAR MAGNETIC RESONANCE AND NEUTRON DIFFRACTION STUDIES REMARK 1 TITL 2 OF THE COMPLEX OF RIBONUCLEASE A WITH URIDINE VANADATE, A REMARK 1 TITL 3 TRANSITION-STATE ANALOGUE REMARK 1 REF BIOCHEMISTRY V. 24 2058 1985 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 3 REMARK 1 AUTH A.WLODAWER,M.MILLER,L.SJOLIN REMARK 1 TITL ACTIVE SITE OF RNASE: NEUTRON DIFFRACTION STUDY OF A COMPLEX REMARK 1 TITL 2 WITH URIDINE VANADATE, A TRANSITION-STATE ANALOG REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 80 3628 1983 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 4 REMARK 1 AUTH A.WLODAWER,L.SJOLIN REMARK 1 TITL STRUCTURE OF RIBONUCLEASE A: RESULTS OF JOINT NEUTRON AND REMARK 1 TITL 2 X-RAY REFINEMENT AT 2.0 ANGSTROMS RESOLUTION REMARK 1 REF BIOCHEMISTRY V. 22 2720 1983 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 5 REMARK 1 AUTH A.WLODAWER,R.BOTT,L.SJOLIN REMARK 1 TITL THE REFINED CRYSTAL STRUCTURE OF RIBONUCLEASE A AT 2.0 REMARK 1 TITL 2 ANGSTROMS RESOLUTION REMARK 1 REF J.BIOL.CHEM. V. 257 1325 1982 REMARK 1 REFN ISSN 0021-9258 REMARK 1 REFERENCE 6 REMARK 1 AUTH A.WLODAWER,L.SJOLIN REMARK 1 TITL HYDROGEN EXCHANGE IN RNASE A: NEUTRON DIFFRACTION STUDY REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 79 1418 1982 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 7 REMARK 1 AUTH A.WLODAWER,R.BOTT,L.SJOLIN REMARK 1 TITL STRUCTURE OF RIBONUCLEASE A: X-RAY AND NEUTRON REFINEMENT REMARK 1 REF ACTA CRYSTALLOGR.,SECT.A V. 37 13 1981 REMARK 1 REF 2 (SUPPLEMENT) REMARK 1 REFN ISSN 0567-7394 REMARK 1 REFERENCE 8 REMARK 1 AUTH A.WLODAWER,W.A.HENDRICKSON REMARK 1 TITL JOINT REFINEMENT OF MACROMOLECULAR STRUCTURES WITH X-RAY AND REMARK 1 TITL 2 NEUTRON SINGLE-CRYSTAL DIFFRACTION DATA REMARK 1 REF ACTA CRYSTALLOGR.,SECT.A V. 37 8 1981 REMARK 1 REF 2 (SUPPLEMENT) REMARK 1 REFN ISSN 0567-7394 REMARK 1 REFERENCE 9 REMARK 1 AUTH A.WLODAWER,L.SJOLIN REMARK 1 TITL ORIENTATION OF HISTIDINE RESIDUES IN RNASE A: NEUTRON REMARK 1 TITL 2 DIFFRACTION STUDY REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 78 2853 1981 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 10 REMARK 1 AUTH A.WLODAWER REMARK 1 TITL STUDIES OF RIBONUCLEASE-A BY X-RAY AND NEUTRON DIFFRACTION REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 36 1826 1980 REMARK 1 REFN ISSN 0108-7681 REMARK 2 REMARK 2 RESOLUTION. 2.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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 SET) : 0.228 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 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL 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 : 951 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 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) : 0.022 REMARK 3 BOND ANGLES (DEGREES) : 4.200 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 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 1RTB 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_1000176214. 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: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.41 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.70 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 22.45000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 22.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 37.45000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 22.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 22.45000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 37.45000 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: 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 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 HIS A 48 NE2 HIS A 48 CD2 -0.098 REMARK 500 SER A 89 CA SER A 89 CB 0.114 REMARK 500 HIS A 105 NE2 HIS A 105 CD2 -0.075 REMARK 500 HIS A 119 CG HIS A 119 CD2 0.062 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 A 5 N - CA - CB ANGL. DEV. = -9.2 DEGREES REMARK 500 ARG A 10 NE - CZ - NH1 ANGL. DEV. = 3.5 DEGREES REMARK 500 ARG A 10 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 MET A 13 CA - CB - CG ANGL. DEV. = 11.0 DEGREES REMARK 500 ASP A 14 CB - CG - OD1 ANGL. DEV. = 7.4 DEGREES REMARK 500 ARG A 33 NE - CZ - NH2 ANGL. DEV. = -4.1 DEGREES REMARK 500 ARG A 39 CA - CB - CG ANGL. DEV. = 14.8 DEGREES REMARK 500 HIS A 48 CE1 - NE2 - CD2 ANGL. DEV. = 4.8 DEGREES REMARK 500 LYS A 66 CA - CB - CG ANGL. DEV. = 13.7 DEGREES REMARK 500 THR A 70 N - CA - CB ANGL. DEV. = -12.0 DEGREES REMARK 500 SER A 77 N - CA - CB ANGL. DEV. = -9.6 DEGREES REMARK 500 MET A 79 CG - SD - CE ANGL. DEV. = -10.5 DEGREES REMARK 500 ARG A 85 CA - CB - CG ANGL. DEV. = -15.3 DEGREES REMARK 500 ARG A 85 NE - CZ - NH1 ANGL. DEV. = 3.6 DEGREES REMARK 500 ARG A 85 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ASN A 94 CA - C - N ANGL. DEV. = -16.0 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 ALA A 19 -177.40 -172.14 REMARK 500 SER A 22 -127.41 176.73 REMARK 500 SER A 23 -16.07 -151.51 REMARK 500 LYS A 37 -84.21 -70.99 REMARK 500 PRO A 42 -38.50 -29.30 REMARK 500 VAL A 43 146.66 -176.75 REMARK 500 HIS A 48 71.76 -119.11 REMARK 500 CYS A 58 -3.59 -54.81 REMARK 500 ASN A 67 12.75 -57.88 REMARK 500 ASN A 71 41.94 -91.45 REMARK 500 THR A 87 -168.38 -121.53 REMARK 500 SER A 89 -13.07 127.24 REMARK 500 TYR A 92 106.52 -58.77 REMARK 500 ASP A 121 -68.68 -107.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 TYR A 92 PRO A 93 41.50 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG A 33 0.07 SIDE CHAIN REMARK 500 TYR A 73 0.09 SIDE CHAIN REMARK 500 TYR A 76 0.07 SIDE CHAIN REMARK 500 TYR A 92 0.08 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: ACT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: ACTIVE SITE OF THE ENZYME DBREF 1RTB A 1 124 UNP P61823 RNAS1_BOVIN 27 150 SEQRES 1 A 124 LYS GLU THR ALA ALA ALA LYS PHE GLU ARG GLN HIS MET SEQRES 2 A 124 ASP SER SER THR SER ALA ALA SER SER SER ASN TYR CYS SEQRES 3 A 124 ASN GLN MET MET LYS SER ARG ASN LEU THR LYS ASP ARG SEQRES 4 A 124 CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA SEQRES 5 A 124 ASP VAL GLN ALA VAL CYS SER GLN LYS ASN VAL ALA CYS SEQRES 6 A 124 LYS ASN GLY GLN THR ASN CYS TYR GLN SER TYR SER THR SEQRES 7 A 124 MET SER ILE THR ASP CYS ARG GLU THR GLY SER SER LYS SEQRES 8 A 124 TYR PRO ASN CYS ALA TYR LYS THR THR GLN ALA ASN LYS SEQRES 9 A 124 HIS ILE ILE VAL ALA CYS GLU GLY ASN PRO TYR VAL PRO SEQRES 10 A 124 VAL HIS PHE ASP ALA SER VAL HELIX 1 H1 THR A 3 MET A 13 1 11 HELIX 2 H2 ASN A 24 ASN A 34 1RESIDUE 34 IN 3/10 CONFIG 11 HELIX 3 H3 SER A 50 GLN A 60 1RESIDUES 56-60 IN 3/10 CONFIG 11 SHEET 1 S1A 3 LYS A 41 HIS A 48 0 SHEET 2 S1A 3 MET A 79 THR A 87 -1 N GLU A 86 O PRO A 42 SHEET 3 S1A 3 ASN A 94 LYS A 104 -1 O LYS A 104 N MET A 79 SHEET 1 S1B 3 LYS A 41 HIS A 48 0 SHEET 2 S1B 3 SER A 90 LYS A 91 -1 SHEET 3 S1B 3 ASN A 94 LYS A 104 -1 O ASN A 94 N LYS A 91 SHEET 1 S2A 4 LYS A 61 ALA A 64 0 SHEET 2 S2A 4 ASN A 71 SER A 75 -1 O CYS A 72 N VAL A 63 SHEET 3 S2A 4 HIS A 105 ASN A 113 -1 O VAL A 108 N TYR A 73 SHEET 4 S2A 4 PRO A 114 HIS A 119 -1 O VAL A 116 N GLU A 111 SHEET 1 S2B 4 LYS A 61 ALA A 64 0 SHEET 2 S2B 4 ASN A 71 SER A 75 -1 O CYS A 72 N VAL A 63 SHEET 3 S2B 4 HIS A 105 ASN A 113 -1 O VAL A 108 N TYR A 73 SHEET 4 S2B 4 ASP A 121 VAL A 124 -1 N VAL A 124 O HIS A 105 SSBOND 1 CYS A 26 CYS A 84 1555 1555 2.05 SSBOND 2 CYS A 40 CYS A 95 1555 1555 2.52 SSBOND 3 CYS A 58 CYS A 110 1555 1555 2.45 SSBOND 4 CYS A 65 CYS A 72 1555 1555 2.41 CISPEP 1 ASN A 113 PRO A 114 0 -24.03 SITE 1 ACT 9 HIS A 12 LYS A 41 VAL A 43 ASN A 44 SITE 2 ACT 9 THR A 45 HIS A 119 PHE A 120 ASP A 121 SITE 3 ACT 9 SER A 123 CRYST1 44.900 74.900 44.000 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 0.022272 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013351 0.000000 0.00000 SCALE3 0.000000 0.000000 0.022727 0.00000