HEADER HYDROLASE 19-NOV-01 1KF2 TITLE ATOMIC RESOLUTION STRUCTURE OF RNASE A AT PH 5.2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: PANCREATIC RIBONUCLEASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: RNASE A; COMPND 5 EC: 3.1.27.5 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 RNASE A, TITRATION, PH, CRYSTAL, SOAKING, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR R.BERISIO,F.SICA,V.S.LAMZIN,K.S.WILSON,A.ZAGARI,L.MAZZARELLA REVDAT 5 20-NOV-24 1KF2 1 REMARK REVDAT 4 16-AUG-23 1KF2 1 REMARK REVDAT 3 24-FEB-09 1KF2 1 VERSN REVDAT 2 06-MAR-02 1KF2 1 JRNL AUTHOR REVDAT 1 19-DEC-01 1KF2 0 JRNL AUTH R.BERISIO,F.SICA,V.S.LAMZIN,K.S.WILSON,A.ZAGARI,L.MAZZARELLA JRNL TITL ATOMIC RESOLUTION STRUCTURES OF RIBONUCLEASE A AT SIX PH JRNL TITL 2 VALUES. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 58 441 2002 JRNL REFN ISSN 0907-4449 JRNL PMID 11856829 JRNL DOI 10.1107/S0907444901021758 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.BERISIO,V.S.LAMZIN,F.SICA,K.S.WILSON,A.ZAGARI,L.MAZZARELLA REMARK 1 TITL PROTEIN TITRATION IN THE CRYSTAL STATE REMARK 1 REF J.MOL.BIOL. V. 292 845 1999 REMARK 1 REFN ISSN 0022-2836 REMARK 1 DOI 10.1006/JMBI.1999.3093 REMARK 2 REMARK 2 RESOLUTION. 1.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : SHELXL REMARK 3 AUTHORS : G.M.SHELDRICK REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 30.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (NO CUTOFF). REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : 0.103 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) : 46613 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F). REMARK 3 R VALUE (WORKING + TEST SET, F>4SIG(F)) : NULL REMARK 3 R VALUE (WORKING SET, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE (F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (F>4SIG(F)) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (F>4SIG(F)) : 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 : 5 REMARK 3 SOLVENT ATOMS : 244 REMARK 3 REMARK 3 MODEL REFINEMENT. REMARK 3 OCCUPANCY SUM OF NON-HYDROGEN ATOMS : NULL REMARK 3 OCCUPANCY SUM OF HYDROGEN ATOMS : NULL REMARK 3 NUMBER OF DISCRETELY DISORDERED RESIDUES : NULL REMARK 3 NUMBER OF LEAST-SQUARES PARAMETERS : NULL REMARK 3 NUMBER OF RESTRAINTS : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM RESTRAINT TARGET VALUES. REMARK 3 BOND LENGTHS (A) : 0.015 REMARK 3 ANGLE DISTANCES (A) : 0.038 REMARK 3 SIMILAR DISTANCES (NO TARGET VALUES) (A) : NULL REMARK 3 DISTANCES FROM RESTRAINT PLANES (A) : NULL REMARK 3 ZERO CHIRAL VOLUMES (A**3) : 0.152 REMARK 3 NON-ZERO CHIRAL VOLUMES (A**3) : NULL REMARK 3 ANTI-BUMPING DISTANCE RESTRAINTS (A) : NULL REMARK 3 RIGID-BOND ADP COMPONENTS (A**2) : NULL REMARK 3 SIMILAR ADP COMPONENTS (A**2) : NULL REMARK 3 APPROXIMATELY ISOTROPIC ADPS (A**2) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED: NULL REMARK 3 REMARK 3 STEREOCHEMISTRY TARGET VALUES : ENGH AND HUBER REMARK 3 SPECIAL CASE: NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: PLEASE NOTE: ASUL 325, BSUL 325, AND REMARK 3 CHOH 183 ARE ALTERNATE CONFORMATIONS. CHOH 173 IS ALTERNATIVE REMARK 3 ONLY TO THE A CONFORMER OF HIS119. CHOH 150 IS ALTERNATIVE ONLY REMARK 3 TO THE A CONFORMER OF ASN103. REMARK 4 REMARK 4 1KF2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-NOV-01. REMARK 100 THE DEPOSITION ID IS D_1000014885. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 5.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : EMBL/DESY, HAMBURG REMARK 200 BEAMLINE : X11 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : AREA DETECTOR REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46617 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.100 REMARK 200 RESOLUTION RANGE LOW (A) : 30.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 4.100 REMARK 200 R MERGE (I) : 0.03400 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 16.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.12 REMARK 200 COMPLETENESS FOR SHELL (%) : 89.4 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.32900 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 7RSA REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.19 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2-PROPANOL, PH 5.2, LIQUID DIFFUSION, REMARK 280 TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 19.19000 REMARK 290 SMTRY3 2 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 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 CYS A 65 N - CA - CB ANGL. DEV. = 13.7 DEGREES REMARK 500 CYS A 72 CB - CA - C ANGL. DEV. = 8.8 DEGREES REMARK 500 CYS A 72 N - CA - CB ANGL. DEV. = -12.8 DEGREES REMARK 500 CYS A 72 CA - CB - SG ANGL. DEV. = -12.3 DEGREES REMARK 500 ARG A 85 NE - CZ - NH1 ANGL. DEV. = 3.1 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 HIS A 48 65.23 -100.45 REMARK 500 GLN A 60 -139.12 -101.83 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 325 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1KF3 RELATED DB: PDB REMARK 900 1KF3 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 5.9. REMARK 900 RELATED ID: 1KF4 RELATED DB: PDB REMARK 900 1KF4 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 6.3. REMARK 900 RELATED ID: 1KF5 RELATED DB: PDB REMARK 900 1KF5 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 7.1. REMARK 900 RELATED ID: 1KF7 RELATED DB: PDB REMARK 900 1KF7 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 8.0. REMARK 900 RELATED ID: 1KF8 RELATED DB: PDB REMARK 900 1KF8 IS THE ATOMIC RESOLUTION STRUCTURES OF RNASE AT PH 8.8. DBREF 1KF2 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 HET SO4 A 325 10 HETNAM SO4 SULFATE ION FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *244(H2 O) HELIX 1 1 THR A 3 MET A 13 1 11 HELIX 2 2 ASN A 24 ARG A 33 1 10 HELIX 3 3 SER A 50 ALA A 56 1 7 HELIX 4 4 VAL A 57 GLN A 60 5 4 SHEET 1 A 3 VAL A 43 VAL A 47 0 SHEET 2 A 3 MET A 79 GLU A 86 -1 O THR A 82 N PHE A 46 SHEET 3 A 3 TYR A 97 LYS A 104 -1 O LYS A 98 N ARG A 85 SHEET 1 B 4 LYS A 61 VAL A 63 0 SHEET 2 B 4 CYS A 72 GLN A 74 -1 O GLN A 74 N LYS A 61 SHEET 3 B 4 ILE A 106 GLU A 111 -1 O VAL A 108 N TYR A 73 SHEET 4 B 4 VAL A 116 SER A 123 -1 O VAL A 118 N ALA A 109 SSBOND 1 CYS A 26 CYS A 84 1555 1555 2.03 SSBOND 2 CYS A 40 CYS A 95 1555 1555 2.01 SSBOND 3 CYS A 58 CYS A 110 1555 1555 2.01 SSBOND 4 CYS A 65 CYS A 72 1555 1555 2.04 CISPEP 1 TYR A 92 PRO A 93 0 6.87 CISPEP 2 ASN A 113 PRO A 114 0 2.86 SITE 1 AC1 9 GLN A 11 HIS A 12 LYS A 41 HIS A 119 SITE 2 AC1 9 PHE A 120 HOH A 339 HOH A 498 HOH A 507 SITE 3 AC1 9 HOH A 508 CRYST1 30.440 38.380 53.320 90.00 105.74 90.00 P 1 21 1 2 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 0.032852 0.000000 0.009259 0.00000 SCALE2 0.000000 0.026055 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019485 0.00000