HEADER SERINE PROTEASE 31-MAR-97 5PTP TITLE STRUCTURE OF HYDROLASE (SERINE PROTEINASE) COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.4 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS HYDROLASE, SERINE PROTEASE, DIGESTION, PANCREAS, ZYMOGEN EXPDTA X-RAY DIFFRACTION AUTHOR R.M.STROUD,J.FINER-MOORE REVDAT 3 29-NOV-17 5PTP 1 HELIX REVDAT 2 24-FEB-09 5PTP 1 VERSN REVDAT 1 07-JUL-97 5PTP 0 SPRSDE 07-JUL-97 5PTP 4PTP JRNL AUTH J.S.FINER-MOORE,A.A.KOSSIAKOFF,J.H.HURLEY,T.EARNEST, JRNL AUTH 2 R.M.STROUD JRNL TITL SOLVENT STRUCTURE IN CRYSTALS OF TRYPSIN DETERMINED BY X-RAY JRNL TITL 2 AND NEUTRON DIFFRACTION. JRNL REF PROTEINS V. 12 203 1992 JRNL REFN ISSN 0887-3585 JRNL PMID 1557349 JRNL DOI 10.1002/PROT.340120302 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.L.CHAMBERS,R.M.STROUD REMARK 1 TITL THE ACCURACY OF REFINED PROTEIN STRUCTURES, COMPARISON OF REMARK 1 TITL 2 TWO INDEPENDENTLY REFINED MODELS OF BOVINE TRYPSIN REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 35 1861 1979 REMARK 1 REFN ISSN 0108-7681 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.L.CHAMBERS,R.M.STROUD REMARK 1 TITL DIFFERENCE-FOURIER REFINEMENT OF THE STRUCTURE OF REMARK 1 TITL 2 DIP-TRYPSIN AT 1.5 ANGSTROMS USING A MINICOMPUTER TECHNIQUE REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 33 1824 1977 REMARK 1 REFN ISSN 0108-7681 REMARK 1 REFERENCE 3 REMARK 1 AUTH R.M.STROUD,M.KRIEGER,R.E.KOEPPE II,A.A.KOSSIAKOFF, REMARK 1 AUTH 2 J.L.CHAMBERS REMARK 1 TITL STRUCTURE-FUNCTION RELATIONSHIPS IN THE SERINE PROTEASES REMARK 1 EDIT E.REICH, D.B.RIFKIN, E.SHAW REMARK 1 REF PROTEASES AND BIOLOGICAL 13 1975 REMARK 1 REF 2 CONTROL REMARK 1 PUBL COLD SPRING HARBOR, N.Y. : COLD SPRING HARBOR LABORATORY REMARK 1 REFN REMARK 1 REFERENCE 4 REMARK 1 AUTH J.L.CHAMBERS,G.G.CHRISTOPH,M.KRIEGER,L.KAY,R.M.STROUD REMARK 1 TITL SILVER ION INHIBITION OF SERINE PROTEASES: CRYSTALLOGRAPHIC REMARK 1 TITL 2 STUDY OF SILVER-TRYPSIN REMARK 1 REF BIOCHEM.BIOPHYS.RES.COMMUN. V. 59 70 1974 REMARK 1 REFN ISSN 0006-291X REMARK 1 REFERENCE 5 REMARK 1 AUTH R.M.STROUD,L.M.KAY,R.E.DICKERSON REMARK 1 TITL THE STRUCTURE OF BOVINE TRYPSIN: ELECTRON DENSITY MAPS OF REMARK 1 TITL 2 THE INHIBITED ENZYME AT 5 A AND AT 2.7 A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 83 185 1974 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 6 REMARK 1 AUTH M.KRIEGER,L.M.KAY,R.M.STROUD REMARK 1 TITL STRUCTURE AND SPECIFIC BINDING OF TRYPSIN: COMPARISON OF REMARK 1 TITL 2 INHIBITED DERIVATIVES AND A MODEL FOR SUBSTRATE BINDING REMARK 1 REF J.MOL.BIOL. V. 83 209 1974 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 7 REMARK 1 AUTH R.M.STROUD,L.M.KAY,R.E.DICKERSON REMARK 1 TITL THE CRYSTAL AND MOLECULAR STRUCTURE OF DIP-INHIBITED BOVINE REMARK 1 TITL 2 TRYPSIN AT 2.7 A RESOLUTION REMARK 1 REF COLD SPRING HARBOR V. 36 125 1972 REMARK 1 REF 2 SYMP.QUANT.BIOL. REMARK 1 REFN ISSN 0091-7451 REMARK 1 REFERENCE 8 REMARK 1 EDIT M.O.DAYHOFF REMARK 1 REF ATLAS OF PROTEIN SEQUENCE V. 5 105 1972 REMARK 1 REF 2 AND STRUCTURE (DATA SECTION) REMARK 1 PUBL SILVER SPRING, MD. : NATIONAL BIOMEDICAL RESEARCH FOUNDATION REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 1.34 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) : 1.34 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 30041 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) : NULL REMARK 3 R VALUE (WORKING SET) : 0.152 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 : 1636 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 211 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 16.00 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) : 0.017 ; NULL REMARK 3 ANGLE DISTANCE (A) : 0.052 ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.300 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 3.600 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE TRYPSIN IN THE CRYSTAL CONTAINS ABOUT 50 PER-CENT REMARK 3 ALPHA-TRYPSIN WHICH IS AUTOLYTICALLY CLEAVED BETWEEN REMARK 3 LYS 145 AND SER 146. THE DENSITY IN THE MAP AT THIS POINT REMARK 3 IS WEAK BUT APPEARS TO ARISE FROM THE UNCLEAVED COMPONENT. REMARK 4 REMARK 4 5PTP 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_1000179763. 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) : N 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 (%): 46.79 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31 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 27.42000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 33.73500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.30500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 33.73500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 27.42000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.30500 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: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O HOH A 272 O HOH A 424 2.19 REMARK 500 REMARK 500 REMARK: NULL 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 OH TYR A 59 OD2 ASP A 153 4456 1.96 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 GLU A 80 CD GLU A 80 OE1 -0.073 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 ASN A 48 N - CA - CB ANGL. DEV. = 11.4 DEGREES REMARK 500 TYR A 59 CB - CG - CD2 ANGL. DEV. = -4.2 DEGREES REMARK 500 ARG A 65A NE - CZ - NH2 ANGL. DEV. = -5.3 DEGREES REMARK 500 GLU A 70 OE1 - CD - OE2 ANGL. DEV. = -7.8 DEGREES REMARK 500 GLU A 70 CG - CD - OE2 ANGL. DEV. = 14.5 DEGREES REMARK 500 ASP A 71 N - CA - CB ANGL. DEV. = 11.5 DEGREES REMARK 500 GLY A 78 CA - C - O ANGL. DEV. = -11.1 DEGREES REMARK 500 SER A 86 N - CA - CB ANGL. DEV. = -10.3 DEGREES REMARK 500 ARG A 117 NE - CZ - NH1 ANGL. DEV. = 6.2 DEGREES REMARK 500 ARG A 117 NE - CZ - NH2 ANGL. DEV. = -11.3 DEGREES REMARK 500 SER A 122 CB - CA - C ANGL. DEV. = 13.3 DEGREES REMARK 500 SER A 122 N - CA - CB ANGL. DEV. = -9.3 DEGREES REMARK 500 LYS A 145 CD - CE - NZ ANGL. DEV. = 20.1 DEGREES REMARK 500 THR A 149 N - CA - CB ANGL. DEV. = -12.1 DEGREES REMARK 500 THR A 149 CA - CB - CG2 ANGL. DEV. = 12.9 DEGREES REMARK 500 ASP A 153 CB - CG - OD1 ANGL. DEV. = 8.9 DEGREES REMARK 500 ASP A 165 CB - CG - OD1 ANGL. DEV. = 5.8 DEGREES REMARK 500 SER A 167 CB - CA - C ANGL. DEV. = -12.4 DEGREES REMARK 500 GLU A 186 CB - CG - CD ANGL. DEV. = 19.5 DEGREES REMARK 500 GLU A 186 OE1 - CD - OE2 ANGL. DEV. = -10.2 DEGREES REMARK 500 GLU A 186 CG - CD - OE2 ANGL. DEV. = 13.1 DEGREES REMARK 500 GLN A 192 CA - CB - CG ANGL. DEV. = -22.9 DEGREES REMARK 500 ILE A 242 CA - CB - CG1 ANGL. DEV. = 16.2 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 ASP A 71 -86.61 -126.61 REMARK 500 SER A 214 -62.21 -120.36 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 247 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 89.8 REMARK 620 3 VAL A 75 O 163.5 83.6 REMARK 620 4 GLU A 80 OE2 99.0 167.4 90.2 REMARK 620 5 HOH A 290 O 90.5 91.0 104.7 79.9 REMARK 620 6 HOH A 291 O 79.7 98.9 86.4 91.6 166.0 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: THE CATALYTIC SITE. IT IS COMPOSED OF RESIDUES REMARK 800 ASP 102, HIS 57 AND MIS 195. THE OG ATOM OF MIS 195 REMARK 800 NUCLEOPHILICALLY ATTACKS THE SUBSTRATE CARBONYL CARBON ATOM. ASP REMARK 800 102 AND HIS 57 TOGETHER PROVIDE GENERAL BASE CATALYSIS. THE N-H REMARK 800 GROUPS OF GLY 193 AND MIS 195 STABILIZE REACTION INTERMEDIATES REMARK 800 THROUGH H-BONDS TO THE SUBSTRATE CARBONYL OXYGEN ATOM. REMARK 800 REMARK 800 SITE_IDENTIFIER: BIN REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: IS THE SPECIFIC BINDING POCKET. ASP 189 AT THE REMARK 800 BOTTOM OF THIS POCKET FORMS AN H-BOND TO THE POSITIVELY CHARGED REMARK 800 SIDE CHAIN OF A SPECIFIC SUBSTRATE, GIVING TRYPSIN ITS REMARK 800 SPECIFICITY FOR THIS TYPE OF SIDE CHAIN. THE BACKBONE IN THE REMARK 800 REGION FROM SER 214 TO CYS 220 IS INVOLVED IN HYDROGEN BONDING REMARK 800 TO A PEPTIDE SUBSTRATE. REMARK 800 REMARK 800 SITE_IDENTIFIER: ION REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CONTAINS A TIGHTLY BOUND POSITIVE ION WHICH IS REMARK 800 PROBABLY A CA2+ IN THIS STRUCTURE. THE ION IS GIVEN SEQUENCE REMARK 800 IDENTIFIER CA 247 AND OCCURS AMONG THE WATER MOLECULES AT THE REMARK 800 END OF THIS ENTRY. THE ION IS COORDINATED IN A ROUGHLY REMARK 800 OCTAHEDRAL FASHION BY GLU 70, ASN 72, VAL 75, GLU 80, HOH 341 REMARK 800 AND HOH 342 AS SPECIFIED IN THE LINK RECORDS. THIS REGION WAS REMARK 800 FIRST IDENTIFIED AS THE PRIMARY CA2+ BINDING SITE OF TRYPSIN BY REMARK 800 BODE AND SCHWAGER, F.E.B.S. LETT., VOL. 56, P139 (1975). REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 247 DBREF 5PTP A 16 245 UNP P00760 TRY1_BOVIN 21 243 SEQADV 5PTP MIS A 195 UNP P00760 SER 197 MODIFIED RESIDUE SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 A 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 A 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 A 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 A 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 A 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 A 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 A 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 A 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS ASP SER CYS GLN GLY ASP MIS GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 A 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 A 223 SER ASN MODRES 5PTP MIS A 195 SER MONOISOPROPYLPHOSPHORYLSERINE HET MIS A 195 13 HET CA A 247 1 HETNAM MIS MONOISOPROPYLPHOSPHORYLSERINE HETNAM CA CALCIUM ION FORMUL 1 MIS C6 H14 N O6 P FORMUL 2 CA CA 2+ FORMUL 3 HOH *211(H2 O) HELIX 1 1 ALA A 56 CYS A 58 5 3 HELIX 2 2 ASP A 165 ALA A 171 1 7 HELIX 3 3 VAL A 231 ALA A 243 5 13 SHEET 1 A 7 GLN A 81 SER A 84 0 SHEET 2 A 7 GLN A 64 LEU A 66 -1 N LEU A 66 O GLN A 81 SHEET 3 A 7 GLN A 30 ASN A 34 -1 N ASN A 34 O GLN A 64 SHEET 4 A 7 HIS A 40 ASN A 48 -1 N GLY A 44 O VAL A 31 SHEET 5 A 7 TRP A 51 SER A 54 -1 N VAL A 53 O SER A 45 SHEET 6 A 7 MET A 104 LEU A 108 -1 N ILE A 106 O VAL A 52 SHEET 7 A 7 ALA A 85 VAL A 90 -1 N ILE A 89 O LEU A 105 SHEET 1 B 2 GLN A 135 GLY A 140 0 SHEET 2 B 2 LYS A 156 PRO A 161 -1 N ALA A 160 O CYS A 136 SHEET 1 C 4 MET A 180 ALA A 183 0 SHEET 2 C 4 GLY A 226 LYS A 230 -1 N TYR A 228 O PHE A 181 SHEET 3 C 4 LYS A 204 TRP A 215 -1 N TRP A 215 O VAL A 227 SHEET 4 C 4 PRO A 198 CYS A 201 -1 N CYS A 201 O LYS A 204 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.01 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.00 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.01 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.02 SSBOND 5 CYS A 168 CYS A 182 1555 1555 1.98 SSBOND 6 CYS A 191 CYS A 220 1555 1555 1.99 LINK N MIS A 195 C ASP A 194 1555 1555 1.32 LINK C MIS A 195 N GLY A 196 1555 1555 1.32 LINK CA CA A 247 OE1 GLU A 70 1555 1555 2.29 LINK CA CA A 247 O ASN A 72 1555 1555 2.32 LINK CA CA A 247 O VAL A 75 1555 1555 2.21 LINK CA CA A 247 OE2 GLU A 80 1555 1555 2.31 LINK CA CA A 247 O HOH A 290 1555 1555 2.26 LINK CA CA A 247 O HOH A 291 1555 1555 2.35 SITE 1 CAT 4 HIS A 57 ASP A 102 GLY A 193 MIS A 195 SITE 1 BIN 10 ASP A 189 SER A 190 CYS A 191 GLN A 192 SITE 2 BIN 10 SER A 214 TRP A 215 GLY A 216 SER A 217 SITE 3 BIN 10 GLY A 219 CYS A 220 SITE 1 ION 11 GLU A 70 ASP A 71 ASN A 72 ILE A 73 SITE 2 ION 11 ASN A 74 VAL A 75 VAL A 76 GLU A 77 SITE 3 ION 11 GLY A 78 ASN A 79 GLU A 80 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 GLU A 80 SITE 2 AC1 6 HOH A 290 HOH A 291 CRYST1 54.840 58.610 67.470 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 0.018235 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017062 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014821 0.00000