HEADER HYDROLASE (SERINE PROTEINASE) 16-SEP-87 1NTP TITLE USE OF THE NEUTRON DIFFRACTION H/D EXCHANGE TECHNIQUE TO DETERMINE THE TITLE 2 CONFORMATIONAL DYNAMICS OF TRYPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: BETA-TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS HYDROLASE (SERINE PROTEINASE) EXPDTA NEUTRON DIFFRACTION AUTHOR A.A.KOSSIAKOFF REVDAT 8 30-OCT-24 1NTP 1 SEQADV REVDAT 7 29-NOV-17 1NTP 1 HELIX REVDAT 6 15-DEC-09 1NTP 1 HETATM HETNAM REVDAT 5 24-FEB-09 1NTP 1 VERSN REVDAT 4 01-APR-03 1NTP 1 JRNL REVDAT 3 20-JUL-95 1NTP 1 EXPDTA REVDAT 2 15-APR-91 1NTP 3 HETATM REVDAT 1 16-JAN-88 1NTP 0 JRNL AUTH A.A.KOSSIAKOFF JRNL TITL USE OF THE NEUTRON DIFFRACTION--H/D EXCHANGE TECHNIQUE TO JRNL TITL 2 DETERMINE THE CONFORMATIONAL DYNAMICS OF TRYPSIN JRNL REF BASIC LIFE SCI. V. 27 281 1984 JRNL REFN ISSN 0090-5542 JRNL PMID 6712567 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.A.KOSSIAKOFF REMARK 1 TITL PROTEIN DYNAMICS INVESTIGATED BY THE NEUTRON REMARK 1 TITL 2 DIFFRACTION-HYDROGEN EXCHANGE TECHNIQUE REMARK 1 REF NATURE V. 296 713 1982 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 2 REMARK 1 AUTH A.A.KOSSIAKOFF,S.A.SPENCER REMARK 1 TITL DIRECT DETERMINATION OF THE PROTONATION STATES OF ASPARTIC REMARK 1 TITL 2 ACID-102 AND HISTIDINE-57 IN THE TETRAHEDRAL INTERMEDIATE OF REMARK 1 TITL 3 THE SERINE PROTEASES. NEUTRON STRUCTURE OF TRYPSIN REMARK 1 REF BIOCHEMISTRY V. 20 6462 1981 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 3 REMARK 1 AUTH A.A.KOSSIAKOFF,S.A.SPENCER REMARK 1 TITL NEUTRON DIFFRACTION IDENTIFIES HIS 57 AS THE CATALYTIC BASE REMARK 1 TITL 2 IN TRYPSIN REMARK 1 REF NATURE V. 288 414 1980 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 4 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 5 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 6 REMARK 1 AUTH R.M.STROUD,M.KRIEGER,R.E.KOEPPEII,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 LAB.,COLD SPRING HARBOR,N.Y. REMARK 1 REFN REMARK 1 REFERENCE 7 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 8 REMARK 1 AUTH R.M.STROUD,L.M.KAY,R.E.DICKERSON REMARK 1 TITL THE STRUCTURE OF BOVINE TRYPSIN,ELECTRON DENSITY MAPS OF THE REMARK 1 TITL 2 INHIBITED ENZYME AT 5 ANGSTROMS AND AT 2.7 ANGSTROMS REMARK 1 TITL 3 RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 83 185 1974 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 9 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 10 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 ANGSTROMS 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 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 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) : 0.187 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 : 1629 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 7 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 2.300 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 1NTP 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_1000175397. REMARK 230 REMARK 230 EXPERIMENTAL DETAILS REMARK 230 EXPERIMENT TYPE : NEUTRON DIFFRACTION REMARK 230 DATE OF DATA COLLECTION : NULL REMARK 230 TEMPERATURE (KELVIN) : NULL REMARK 230 PH : NULL REMARK 230 NUMBER OF CRYSTALS USED : NULL REMARK 230 REMARK 230 NEUTRON SOURCE : NULL REMARK 230 BEAMLINE : NULL REMARK 230 WAVELENGTH OR RANGE (A) : NULL REMARK 230 MONOCHROMATOR : NULL REMARK 230 OPTICS : NULL REMARK 230 REMARK 230 DETECTOR TYPE : NULL REMARK 230 DETECTOR MANUFACTURER : NULL REMARK 230 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 230 DATA SCALING SOFTWARE : NULL REMARK 230 REMARK 230 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 230 RESOLUTION RANGE HIGH (A) : NULL REMARK 230 RESOLUTION RANGE LOW (A) : NULL REMARK 230 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 230 REMARK 230 OVERALL. REMARK 230 COMPLETENESS FOR RANGE (%) : NULL REMARK 230 DATA REDUNDANCY : NULL REMARK 230 R MERGE (I) : NULL REMARK 230 R SYM (I) : NULL REMARK 230 FOR THE DATA SET : NULL REMARK 230 REMARK 230 IN THE HIGHEST RESOLUTION SHELL. REMARK 230 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL REMARK 230 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 230 COMPLETENESS FOR SHELL (%) : NULL REMARK 230 DATA REDUNDANCY IN SHELL : NULL REMARK 230 R MERGE FOR SHELL (I) : NULL REMARK 230 R SYM FOR SHELL (I) : NULL REMARK 230 FOR SHELL : NULL REMARK 230 REMARK 230 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 230 SOFTWARE USED : NULL REMARK 230 STARTING MODEL: NULL REMARK 230 REMARK 230 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): NULL REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): NULL 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 OG SER A 195 P ISP A 1 1.52 REMARK 500 DZ1 LYS A 87 OD1 ASN A 245 1.56 REMARK 500 OE1 GLN A 221A DZ3 LYS A 222 1.59 REMARK 500 OD1 ASN A 25 DH22 ARG A 117 1.59 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 DZ1 LYS A 107 DG SER A 130 2565 1.29 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 TRP A 51 NE1 TRP A 51 CE2 -0.078 REMARK 500 SER A 61 CA SER A 61 CB 0.094 REMARK 500 GLU A 70 CD GLU A 70 OE1 0.091 REMARK 500 TRP A 237 NE1 TRP A 237 CE2 -0.093 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 CYS A 22 CA - CB - SG ANGL. DEV. = 6.7 DEGREES REMARK 500 GLN A 50 CB - CA - C ANGL. DEV. = -14.9 DEGREES REMARK 500 TYR A 59 CD1 - CG - CD2 ANGL. DEV. = 9.0 DEGREES REMARK 500 TYR A 59 CB - CG - CD1 ANGL. DEV. = -9.1 DEGREES REMARK 500 TYR A 59 CG - CD1 - CE1 ANGL. DEV. = -6.7 DEGREES REMARK 500 TYR A 59 CG - CD2 - CE2 ANGL. DEV. = -6.5 DEGREES REMARK 500 SER A 61 O - C - N ANGL. DEV. = -10.4 DEGREES REMARK 500 ARG A 65A NE - CZ - NH1 ANGL. DEV. = -3.1 DEGREES REMARK 500 GLU A 80 OE1 - CD - OE2 ANGL. DEV. = -13.1 DEGREES REMARK 500 TYR A 94 CD1 - CG - CD2 ANGL. DEV. = 6.9 DEGREES REMARK 500 TYR A 94 CB - CG - CD1 ANGL. DEV. = -3.9 DEGREES REMARK 500 ASP A 102 OD1 - CG - OD2 ANGL. DEV. = -16.7 DEGREES REMARK 500 ASP A 102 CB - CG - OD1 ANGL. DEV. = 9.2 DEGREES REMARK 500 ASP A 102 CB - CG - OD2 ANGL. DEV. = 7.5 DEGREES REMARK 500 ARG A 117 NH1 - CZ - NH2 ANGL. DEV. = -15.0 DEGREES REMARK 500 ARG A 117 NE - CZ - NH1 ANGL. DEV. = 4.0 DEGREES REMARK 500 ARG A 117 NE - CZ - NH2 ANGL. DEV. = 11.0 DEGREES REMARK 500 THR A 125 O - C - N ANGL. DEV. = 9.7 DEGREES REMARK 500 TYR A 151 CB - CG - CD1 ANGL. DEV. = -4.1 DEGREES REMARK 500 SER A 164 CA - C - N ANGL. DEV. = -14.1 DEGREES REMARK 500 SER A 164 O - C - N ANGL. DEV. = 12.3 DEGREES REMARK 500 ASP A 165 N - CA - CB ANGL. DEV. = -11.5 DEGREES REMARK 500 ASP A 165 CA - CB - CG ANGL. DEV. = 15.7 DEGREES REMARK 500 ASP A 165 OD1 - CG - OD2 ANGL. DEV. = -13.4 DEGREES REMARK 500 ASP A 165 CB - CG - OD2 ANGL. DEV. = 9.4 DEGREES REMARK 500 SER A 170 N - CA - CB ANGL. DEV. = 10.3 DEGREES REMARK 500 TYR A 172 CB - CG - CD2 ANGL. DEV. = -6.3 DEGREES REMARK 500 TYR A 172 CD1 - CG - CD2 ANGL. DEV. = 6.9 DEGREES REMARK 500 TYR A 172 CG - CD1 - CE1 ANGL. DEV. = -6.0 DEGREES REMARK 500 TYR A 172 CG - CD2 - CE2 ANGL. DEV. = -5.6 DEGREES REMARK 500 MET A 180 CG - SD - CE ANGL. DEV. = 9.9 DEGREES REMARK 500 TYR A 184A CD1 - CE1 - CZ ANGL. DEV. = 7.8 DEGREES REMARK 500 GLU A 186 O - C - N ANGL. DEV. = -11.6 DEGREES REMARK 500 ASP A 189 CB - CG - OD1 ANGL. DEV. = -5.4 DEGREES REMARK 500 GLN A 192 CB - CG - CD ANGL. DEV. = 19.4 DEGREES REMARK 500 ASP A 194 OD1 - CG - OD2 ANGL. DEV. = -11.7 DEGREES REMARK 500 ASP A 194 CB - CG - OD1 ANGL. DEV. = 5.5 DEGREES REMARK 500 ASP A 194 CB - CG - OD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 LYS A 204 O - C - N ANGL. DEV. = 9.8 DEGREES REMARK 500 GLY A 211 O - C - N ANGL. DEV. = 10.7 DEGREES REMARK 500 LYS A 222 N - CA - CB ANGL. DEV. = -14.2 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 SER A 54 -158.60 -143.26 REMARK 500 ASP A 71 -83.10 -122.09 REMARK 500 SER A 150 114.91 -162.37 REMARK 500 LYS A 222 129.33 -36.96 REMARK 500 ASN A 223 -7.86 72.81 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 TYR A 39 0.12 SIDE CHAIN REMARK 500 TYR A 59 0.07 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 THE ENZYME IS INHIBITED BY A MONOISOPROPYLPHOSPHORYL REMARK 600 DERIVATIVE. THE REFINED STRUCTURE IN THIS REGION LOOKS REMARK 600 VERY MUCH LIKE THAT EXPECTED FOR THE TETRAHEDRAL REMARK 600 INTERMEDIATE IN THE REACTION SEQUENCE. THE NE2 OF HIS 57 REMARK 600 IS HYDROGEN-BONDED TO O1A OF THE ISP GROUP, WHICH REMARK 600 CORRESPONDS TO THE LEAVING GROUP NITROGEN OF A SPECIFIC REMARK 600 SUBSTRATE. REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 ISP A 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE: THE OG ATOM OF SER-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 SER-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: AUTHOR REMARK 800 SITE_DESCRIPTION: SPECIFIC BINDING POCKET: ASP-189 AT THE BOTTOM REMARK 800 OF THIS POCKET FORMS AN H-BOND TO THE POSITIVELY CHARGED SIDE REMARK 800 CHAIN OF A SPECIFIC SUBSTRATE, GIVING TRYPSIN ITS SPECIFICITY REMARK 800 FOR THIS TYPE OF SIDE CHAIN. THE BACKBONE IN THE REGION FROM SER- REMARK 800 214 TO CYS-220 IS INVOLVED IN HYDROGEN BONDING TO A PEPTIDE REMARK 800 SUBSTRATE REMARK 800 REMARK 800 SITE_IDENTIFIER: ION REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CONTAINS A TIGHTLY BOUND POSITIVE ION WHICH IS REMARK 800 PROBABLY A CA2+ IN THIS STRUCTURE. THE ION IS COORDINATED IN A REMARK 800 ROUGHLY OCTAHEDRAL FASHION BY GLU 70, ASN 72, VAL 75, GLU 80, REMARK 800 HOH 53 AND HOH 54. THIS REGION WAS FIRST IDENTIFIED AS THE REMARK 800 PRIMARY CA2+ BINDING SITE OF TRYPSIN BY BODE AND SCHWAGER, REMARK 800 F.E.B.S. LETT., VOL. 56, P139 (1975) DBREF 1NTP A 16 245 UNP P00760 TRY1_BOVIN 21 243 SEQADV 1NTP ASP A 48 UNP P00760 ASN 51 CONFLICT SEQADV 1NTP ASP A 95 UNP P00760 ASN 97 CONFLICT SEQADV 1NTP ASP A 115 UNP P00760 ASN 117 CONFLICT 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 ASP 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 ASP 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 ASP 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 SER 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 HET ISP A 1 14 HETNAM ISP PHOSPHORYLISOPROPANE FORMUL 2 ISP C3 H9 O4 P HELIX 1 SHO SER A 164 TYR A 172 1IRREGULAR AFTER CYS 168 9 HELIX 2 310 LYS A 230 VAL A 235 5LEADS INTO TERMINAL ALPHA-HLX 6 HELIX 3 TER TYR A 234 ASN A 245 1C-TERMINAL HELIX 12 SHEET 1 SH1 7 TYR A 20 TYR A 20 0 SHEET 2 SH1 7 LYS A 156 PRO A 161 -1 O CYS A 157 N TYR A 20 SHEET 3 SH1 7 CYS A 136 GLY A 140 -1 O ILE A 138 N LEU A 158 SHEET 4 SH1 7 GLY A 197 CYS A 201 -1 N VAL A 200 O LEU A 137 SHEET 5 SH1 7 LYS A 204 SER A 214 -1 N VAL A 213 O GLY A 197 SHEET 6 SH1 7 GLY A 226 VAL A 231 -1 N THR A 229 O ILE A 212 SHEET 7 SH1 7 ASN A 179 ALA A 183 -1 N PHE A 181 O TYR A 228 SHEET 1 SH2 4 GLY A 43 SER A 45 0 SHEET 2 SH2 4 VAL A 52 ALA A 55 -1 N VAL A 53 O SER A 45 SHEET 3 SH2 4 ILE A 103 LYS A 107 -1 O MET A 104 N SER A 54 SHEET 4 SH2 4 LYS A 87 HIS A 91 -1 N HIS A 91 O ILE A 103 SHEET 1 SH3 2 ILE A 63 LEU A 66 0 SHEET 2 SH3 2 GLN A 81 ALA A 85 -1 N GLN A 81 O LEU A 66 SSBOND 1 CYS A 22 CYS A 157 1555 1555 1.87 SSBOND 2 CYS A 42 CYS A 58 1555 1555 1.94 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.17 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.07 SSBOND 5 CYS A 168 CYS A 182 1555 1555 1.78 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.19 SITE 1 CAT 4 HIS A 57 ASP A 102 GLY A 193 SER 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 CRYST1 54.840 58.610 67.470 90.00 90.00 90.00 P 21 21 21 4 ORIGX1 0.018235 0.000000 0.000000 0.00000 ORIGX2 0.000000 0.017062 0.000000 0.00000 ORIGX3 0.000000 0.000000 0.014821 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