HEADER HYDROLASE(PHOSPHORIC DIESTER,RNA) 28-APR-93 1BSR TITLE BOVINE SEMINAL RIBONUCLEASE STRUCTURE AT 1.9 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: BOVINE SEMINAL RIBONUCLEASE; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS HYDROLASE(PHOSPHORIC DIESTER,RNA) EXPDTA X-RAY DIFFRACTION AUTHOR L.MAZZARELLA REVDAT 3 16-NOV-11 1BSR 1 VERSN HETATM REVDAT 2 24-FEB-09 1BSR 1 VERSN REVDAT 1 31-OCT-93 1BSR 0 JRNL AUTH L.MAZZARELLA,S.CAPASSO,D.DEMASI,G.DI LORENZO,C.A.MATTIA, JRNL AUTH 2 A.ZAGARI JRNL TITL BOVINE SEMINAL RIBONUCLEASE: STRUCTURE AT 1.9 A RESOLUTION. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 49 389 1993 JRNL REFN ISSN 0907-4449 JRNL PMID 15299514 JRNL DOI 10.1107/S0907444993003403 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH L.MAZZARELLA,C.A.MATTIA,S.CAPASSO,G.DI LORENZO REMARK 1 TITL COMPOSITE ACTIVE SITES IN BOVINE SEMINAL RIBONUCLEASE REMARK 1 REF GAZZ.CHIM.ITAL. V. 117 91 1987 REMARK 1 REFN ISSN 0016-5603 REMARK 1 REFERENCE 2 REMARK 1 AUTH S.CAPASSO,F.GIORDANO,C.A.MATTIA,L.MAZZARELLA,A.ZAGARI REMARK 1 TITL REFINEMENT OF THE STRUCTURE OF BOVINE SEMINAL RIBONUCLEASE REMARK 1 REF BIOPOLYMERS V. 22 327 1983 REMARK 1 REFN ISSN 0006-3525 REMARK 1 REFERENCE 3 REMARK 1 AUTH S.CAPASSO,F.GIORDANO,C.A.MATTIA,L.MAZZARELLA,A.ZAGARI REMARK 1 TITL LOW-RESOLUTION STRUCTURE OF BOVINE SEMINAL RIBONUCLEASE: A REMARK 1 TITL 2 COVALENT DIMERIC PROTEIN REMARK 1 REF GAZZ.CHIM.ITAL. V. 109 55 1979 REMARK 1 REFN ISSN 0016-5603 REMARK 2 REMARK 2 RESOLUTION. 1.90 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) : 1.90 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) : 0.177 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 : 1882 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 35 REMARK 3 SOLVENT ATOMS : 113 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) : 0.020 REMARK 3 BOND ANGLES (DEGREES) : 3.70 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: REMARK 3 A SECOND POSITION HAS BEEN LOCATED AND REFINED FOR THE SIDE REMARK 3 CHAINS OF HIS A 119 AND ARG B 71. REMARK 3 REMARK 3 IN BOTH CHAINS, GLN 60 HAS A CONFORMATION WHICH FALLS REMARK 3 OUTSIDE THE ALLOWED REGIONS OF THE RAMACHANDRAN MAP, AS REMARK 3 OBSERVED IN RNASE A. REMARK 4 REMARK 4 1BSR COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. 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 (%): 48.72 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 2 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 X,-Y,-Z REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 -X,-Y+1/2,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 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.35000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 53.75000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 33.35000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 53.75000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5230 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -117.0 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 12120 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 24730 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -253.0 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 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 66.70000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 107.50000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 185 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 REMARK 400 FEATURES OF THE STRUCTURE: RESIDUES 1 - 15 OF ONE CHAIN REMARK 400 FOLD AGAINST RESIDUES 23 - 124 OF THE OTHER CHAIN. REMARK 400 THEREFORE, IN THE DIMER, THE TWO CHAINS PRESENT THEIR REMARK 400 N-TERMINI INTERCHANGED SO THAT EACH ACTIVE SITE IS REMARK 400 FORMED BY RESIDUES BELONGING TO DIFFERENT CHAINS. AS REMARK 400 A RESULT, RESIDUES A1 - A15 (B1 - B15) AND RESIDUES REMARK 400 B23 - B124 (A23 - A124) FORM A STRUCTURE VERY CLOSE REMARK 400 TO THE PANCREATIC MOLECULE (5RSA). ON THE OTHER HAND, REMARK 400 THE CONFORMATION OF HINGE PEPTIDE 16 - 22 IS DIFFERENT. 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 12 NE2 HIS A 12 CD2 -0.076 REMARK 500 HIS A 119 CG HIS A 119 ND1 -0.096 REMARK 500 HIS B 12 NE2 HIS B 12 CD2 -0.067 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 ARG A 33 NE - CZ - NH2 ANGL. DEV. = -3.7 DEGREES REMARK 500 MET A 35 CG - SD - CE ANGL. DEV. = -10.5 DEGREES REMARK 500 ASP A 83 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 HIS A 119 CA - CB - CG ANGL. DEV. = 10.2 DEGREES REMARK 500 ARG B 80 NE - CZ - NH2 ANGL. DEV. = -5.1 DEGREES REMARK 500 ARG B 85 NE - CZ - NH2 ANGL. DEV. = -3.6 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 ASP A 14 72.47 -150.60 REMARK 500 CYS A 58 -9.11 -59.07 REMARK 500 GLN A 60 -134.85 -109.09 REMARK 500 SER B 21 90.56 -69.39 REMARK 500 GLN B 60 -132.62 -109.28 REMARK 500 ASN B 67 70.96 -110.83 REMARK 500 ASN B 94 71.09 -114.50 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 85 0.11 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 A TOTAL OF 113 WATER MOLECULES, AS WELL AS 7 SULFATE REMARK 600 ANIONS, WERE INCLUDED AND REFINED AS PART OF THE STRUCTURE. REMARK 700 REMARK 700 SHEET REMARK 700 THE TWO BETA SHEETS OF EACH CHAIN OF THIS STRUCTURE ARE REMARK 700 VERY CLOSE TO THOSE OF RNASE A (5RSA, REMARK 5), AND A REMARK 700 SIMILAR NOTATION HAS BEEN USED, MODIFIED ONLY TO TAKE INTO REMARK 700 ACCOUNT THE PRESENCE OF TWO CHAINS. THEREFORE, DUE TO A REMARK 700 BULGE OF RESIDUES 88 - 89, THE FIRST SHEET OF CHAIN A (B), REMARK 700 COMPOSED OF 3 STRANDS, CONSISTS OF TWO PARTS DENOTED *S1A* REMARK 700 AND *S2A* (*S1B* AND *S2B*), HAVING STRAND 1 AND 3 REMARK 700 IDENTICAL. FOR CHAIN A (B), ALSO THE SECOND SHEET, FORMED REMARK 700 BY 4 STRANDS, IS COMPOSED BY TWO PARTS DENOTED *S3A* AND REMARK 700 *S4A* (*S3B* AND *S4B*), HAVING STRANDS 1, 2 AND 3 REMARK 700 IDENTICAL. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AS1 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AS2 REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 125 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 126 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 127 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 128 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 125 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 126 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 129 DBREF 1BSR A 1 124 UNP P00669 RNS_BOVIN 27 150 DBREF 1BSR B 1 124 UNP P00669 RNS_BOVIN 27 150 SEQRES 1 A 124 LYS GLU SER ALA ALA ALA LYS PHE GLU ARG GLN HIS MET SEQRES 2 A 124 ASP SER GLY ASN SER PRO SER SER SER SER ASN TYR CYS SEQRES 3 A 124 ASN LEU MET MET CYS CYS ARG LYS MET THR GLN GLY LYS SEQRES 4 A 124 CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA SEQRES 5 A 124 ASP VAL LYS ALA VAL CYS SER GLN LYS LYS VAL THR CYS SEQRES 6 A 124 LYS ASN GLY GLN THR ASN CYS TYR GLN SER LYS SER THR SEQRES 7 A 124 MET ARG 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 VAL GLU LYS SEQRES 9 A 124 HIS ILE ILE VAL ALA CYS GLY GLY LYS PRO SER VAL PRO SEQRES 10 A 124 VAL HIS PHE ASP ALA SER VAL SEQRES 1 B 124 LYS GLU SER ALA ALA ALA LYS PHE GLU ARG GLN HIS MET SEQRES 2 B 124 ASP SER GLY ASN SER PRO SER SER SER SER ASN TYR CYS SEQRES 3 B 124 ASN LEU MET MET CYS CYS ARG LYS MET THR GLN GLY LYS SEQRES 4 B 124 CYS LYS PRO VAL ASN THR PHE VAL HIS GLU SER LEU ALA SEQRES 5 B 124 ASP VAL LYS ALA VAL CYS SER GLN LYS LYS VAL THR CYS SEQRES 6 B 124 LYS ASN GLY GLN THR ASN CYS TYR GLN SER LYS SER THR SEQRES 7 B 124 MET ARG ILE THR ASP CYS ARG GLU THR GLY SER SER LYS SEQRES 8 B 124 TYR PRO ASN CYS ALA TYR LYS THR THR GLN VAL GLU LYS SEQRES 9 B 124 HIS ILE ILE VAL ALA CYS GLY GLY LYS PRO SER VAL PRO SEQRES 10 B 124 VAL HIS PHE ASP ALA SER VAL HET SO4 B 125 5 HET SO4 A 126 5 HET SO4 A 127 5 HET SO4 A 128 5 HET SO4 A 125 5 HET SO4 B 126 5 HET SO4 A 129 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 7(O4 S 2-) FORMUL 10 HOH *113(H2 O) HELIX 1 HA1 SER A 3 MET A 13 1 11 HELIX 2 HA2 SER A 22 LYS A 34 13/10 BEGINNING AND END 13 HELIX 3 HA3 SER A 50 GLN A 60 156 - 60 IN 3/10 11 HELIX 4 HB1 SER B 3 MET B 13 1 11 HELIX 5 HB2 SER B 22 LYS B 34 13/10 BEGINNING AND END 13 HELIX 6 HB3 SER B 50 GLN B 60 156 - 60 IN 3/10 11 SHEET 1 S1A 3 PRO A 42 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 S2A 3 PRO A 42 HIS A 48 0 SHEET 2 S2A 3 SER A 90 LYS A 91 -1 SHEET 3 S2A 3 ASN A 94 LYS A 104 -1 O ASN A 94 N LYS A 91 SHEET 1 S3A 4 LYS A 61 THR A 64 0 SHEET 2 S3A 4 ASN A 71 SER A 75 -1 O CYS A 72 N VAL A 63 SHEET 3 S3A 4 HIS A 105 LYS A 113 -1 O VAL A 108 N TYR A 73 SHEET 4 S3A 4 PRO A 114 HIS A 119 -1 O VAL A 116 N GLY A 111 SHEET 1 S4A 4 LYS A 61 THR A 64 0 SHEET 2 S4A 4 ASN A 71 SER A 75 -1 O CYS A 72 N VAL A 63 SHEET 3 S4A 4 HIS A 105 LYS A 113 -1 O VAL A 108 N TYR A 73 SHEET 4 S4A 4 ASP A 121 VAL A 124 -1 N VAL A 124 O HIS A 105 SHEET 1 S1B 3 PRO B 42 HIS B 48 0 SHEET 2 S1B 3 MET B 79 THR B 87 -1 N GLU B 86 O PRO B 42 SHEET 3 S1B 3 ASN B 94 LYS B 104 -1 O LYS B 104 N MET B 79 SHEET 1 S2B 3 PRO B 42 HIS B 48 0 SHEET 2 S2B 3 SER B 90 LYS B 91 -1 SHEET 3 S2B 3 ASN B 94 LYS B 104 -1 O ASN B 94 N LYS B 91 SHEET 1 S3B 4 LYS B 61 THR B 64 0 SHEET 2 S3B 4 ASN B 71 SER B 75 -1 O CYS B 72 N VAL B 63 SHEET 3 S3B 4 HIS B 105 LYS B 113 -1 O VAL B 108 N TYR B 73 SHEET 4 S3B 4 PRO B 114 HIS B 119 -1 O VAL B 116 N GLY B 111 SHEET 1 S4B 4 LYS B 61 THR B 64 0 SHEET 2 S4B 4 ASN B 71 SER B 75 -1 O CYS B 72 N VAL B 63 SHEET 3 S4B 4 HIS B 105 LYS B 113 -1 O VAL B 108 N TYR B 73 SHEET 4 S4B 4 ASP B 121 VAL B 124 -1 N VAL B 124 O HIS B 105 SSBOND 1 CYS A 26 CYS A 84 1555 1555 2.04 SSBOND 2 CYS A 31 CYS B 32 1555 1555 2.04 SSBOND 3 CYS A 32 CYS B 31 1555 1555 2.00 SSBOND 4 CYS A 40 CYS A 95 1555 1555 1.99 SSBOND 5 CYS A 58 CYS A 110 1555 1555 2.01 SSBOND 6 CYS A 65 CYS A 72 1555 1555 1.99 SSBOND 7 CYS B 26 CYS B 84 1555 1555 2.03 SSBOND 8 CYS B 40 CYS B 95 1555 1555 1.98 SSBOND 9 CYS B 58 CYS B 110 1555 1555 1.99 SSBOND 10 CYS B 65 CYS B 72 1555 1555 2.01 CISPEP 1 TYR A 92 PRO A 93 0 5.08 CISPEP 2 LYS A 113 PRO A 114 0 -2.25 CISPEP 3 TYR B 92 PRO B 93 0 4.76 CISPEP 4 LYS B 113 PRO B 114 0 -2.49 SITE 1 AS1 6 HIS B 12 LYS A 41 THR A 45 HIS A 119 SITE 2 AS1 6 PHE A 120 ASP A 121 SITE 1 AS2 6 HIS A 12 LYS B 41 THR B 45 HIS B 119 SITE 2 AS2 6 PHE B 120 ASP B 121 SITE 1 AC1 6 HIS A 12 LYS B 41 HIS B 119 PHE B 120 SITE 2 AC1 6 HOH B 129 HOH B 162 SITE 1 AC2 6 SER A 3 ALA A 4 LYS A 39 LYS A 41 SITE 2 AC2 6 PRO A 42 HOH A 146 SITE 1 AC3 6 LYS A 7 GLN A 11 GLY A 112 LYS A 113 SITE 2 AC3 6 HOH A 133 LYS B 39 SITE 1 AC4 6 SER A 18 PRO A 19 SER A 20 SER A 21 SITE 2 AC4 6 SER A 22 GLN B 101 SITE 1 AC5 6 VAL A 118 HIS A 119 PHE A 120 HOH A 183 SITE 2 AC5 6 GLN B 11 HIS B 12 SITE 1 AC6 8 SER B 3 ALA B 4 LYS B 39 LYS B 41 SITE 2 AC6 8 PRO B 42 HOH B 148 HOH B 174 HOH B 177 SITE 1 AC7 6 LYS A 39 LYS B 7 GLN B 11 GLY B 112 SITE 2 AC7 6 LYS B 113 HOH B 135 CRYST1 36.500 66.700 107.500 90.00 90.00 90.00 P 2 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 0.027397 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014993 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009302 0.00000