HEADER PROTEINASE/INHIBITOR 17-DEC-92 1BRA TITLE RELOCATING A NEGATIVE CHARGE IN THE BINDING POCKET OF TRYPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.4; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS RATTUS; SOURCE 3 ORGANISM_COMMON: BLACK RAT; SOURCE 4 ORGANISM_TAXID: 10117 KEYWDS PROTEINASE/INHIBITOR, PROTEINASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR J.J.PERONA,M.E.MCGRATH,R.J.FLETTERICK REVDAT 5 16-OCT-24 1BRA 1 REMARK SEQADV LINK REVDAT 4 29-NOV-17 1BRA 1 HELIX REVDAT 3 24-FEB-09 1BRA 1 VERSN REVDAT 2 01-APR-03 1BRA 1 JRNL REVDAT 1 30-APR-94 1BRA 0 JRNL AUTH J.J.PERONA,C.A.TSU,M.E.MCGRATH,C.S.CRAIK,R.J.FLETTERICK JRNL TITL RELOCATING A NEGATIVE CHARGE IN THE BINDING POCKET OF JRNL TITL 2 TRYPSIN. JRNL REF J.MOL.BIOL. V. 230 934 1993 JRNL REFN ISSN 0022-2836 JRNL PMID 8478942 JRNL DOI 10.1006/JMBI.1993.1211 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.J.PERONA,C.A.TSU,C.S.CRAIK,R.J.FLETTERICK REMARK 1 TITL CRYSTAL STRUCTURES OF RAT ANIONIC TRYPSIN COMPLEXED WITH THE REMARK 1 TITL 2 PROTEIN INHIBITORS APPI AND BPTI REMARK 1 REF J.MOL.BIOL. V. 230 919 1993 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.20 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 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 + TEST SET) : 0.156 REMARK 3 R VALUE (WORKING SET) : NULL 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 : 1666 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 10 REMARK 3 SOLVENT ATOMS : 137 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.012 ; NULL REMARK 3 ANGLE DISTANCE (A) : 3.200 ; 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) : 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 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1BRA 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_1000172022. 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 <I/SIGMA(I)> 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 <I/SIGMA(I)> 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 (%): 63.46 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.37 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 3 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,-Z REMARK 290 4555 X,-Y,-Z REMARK 290 5555 Z,X,Y REMARK 290 6555 Z,-X,-Y REMARK 290 7555 -Z,-X,Y REMARK 290 8555 -Z,X,-Y REMARK 290 9555 Y,Z,X REMARK 290 10555 -Y,Z,-X REMARK 290 11555 Y,-Z,-X REMARK 290 12555 -Y,-Z,X REMARK 290 13555 X+1/2,Y+1/2,Z+1/2 REMARK 290 14555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 15555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 16555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 17555 Z+1/2,X+1/2,Y+1/2 REMARK 290 18555 Z+1/2,-X+1/2,-Y+1/2 REMARK 290 19555 -Z+1/2,-X+1/2,Y+1/2 REMARK 290 20555 -Z+1/2,X+1/2,-Y+1/2 REMARK 290 21555 Y+1/2,Z+1/2,X+1/2 REMARK 290 22555 -Y+1/2,Z+1/2,-X+1/2 REMARK 290 23555 Y+1/2,-Z+1/2,-X+1/2 REMARK 290 24555 -Y+1/2,-Z+1/2,X+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 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 6 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY2 6 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 7 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY2 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY1 9 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 9 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 9 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 10 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 10 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY3 10 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 12 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 12 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY3 12 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY1 13 1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY2 13 0.000000 1.000000 0.000000 62.20000 REMARK 290 SMTRY3 13 0.000000 0.000000 1.000000 62.20000 REMARK 290 SMTRY1 14 -1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY2 14 0.000000 -1.000000 0.000000 62.20000 REMARK 290 SMTRY3 14 0.000000 0.000000 1.000000 62.20000 REMARK 290 SMTRY1 15 -1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY2 15 0.000000 1.000000 0.000000 62.20000 REMARK 290 SMTRY3 15 0.000000 0.000000 -1.000000 62.20000 REMARK 290 SMTRY1 16 1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY2 16 0.000000 -1.000000 0.000000 62.20000 REMARK 290 SMTRY3 16 0.000000 0.000000 -1.000000 62.20000 REMARK 290 SMTRY1 17 0.000000 0.000000 1.000000 62.20000 REMARK 290 SMTRY2 17 1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY3 17 0.000000 1.000000 0.000000 62.20000 REMARK 290 SMTRY1 18 0.000000 0.000000 1.000000 62.20000 REMARK 290 SMTRY2 18 -1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY3 18 0.000000 -1.000000 0.000000 62.20000 REMARK 290 SMTRY1 19 0.000000 0.000000 -1.000000 62.20000 REMARK 290 SMTRY2 19 -1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY3 19 0.000000 1.000000 0.000000 62.20000 REMARK 290 SMTRY1 20 0.000000 0.000000 -1.000000 62.20000 REMARK 290 SMTRY2 20 1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY3 20 0.000000 -1.000000 0.000000 62.20000 REMARK 290 SMTRY1 21 0.000000 1.000000 0.000000 62.20000 REMARK 290 SMTRY2 21 0.000000 0.000000 1.000000 62.20000 REMARK 290 SMTRY3 21 1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY1 22 0.000000 -1.000000 0.000000 62.20000 REMARK 290 SMTRY2 22 0.000000 0.000000 1.000000 62.20000 REMARK 290 SMTRY3 22 -1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY1 23 0.000000 1.000000 0.000000 62.20000 REMARK 290 SMTRY2 23 0.000000 0.000000 -1.000000 62.20000 REMARK 290 SMTRY3 23 -1.000000 0.000000 0.000000 62.20000 REMARK 290 SMTRY1 24 0.000000 -1.000000 0.000000 62.20000 REMARK 290 SMTRY2 24 0.000000 0.000000 -1.000000 62.20000 REMARK 290 SMTRY3 24 1.000000 0.000000 0.000000 62.20000 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: DIMERIC 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 124.40000 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 42 CA - C - O ANGL. DEV. = -12.6 DEGREES REMARK 500 ASN A 48 N - CA - CB ANGL. DEV. = 12.9 DEGREES REMARK 500 LYS A 60 N - CA - CB ANGL. DEV. = 10.9 DEGREES REMARK 500 ARG A 62 NE - CZ - NH1 ANGL. DEV. = 8.2 DEGREES REMARK 500 ARG A 62 NE - CZ - NH2 ANGL. DEV. = -8.8 DEGREES REMARK 500 ARG A 67 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ILE A 73 CA - CB - CG2 ANGL. DEV. = 12.8 DEGREES REMARK 500 GLU A 77 OE1 - CD - OE2 ANGL. DEV. = 11.4 DEGREES REMARK 500 GLU A 77 CG - CD - OE2 ANGL. DEV. = -19.7 DEGREES REMARK 500 PHE A 82 CB - CG - CD2 ANGL. DEV. = -6.4 DEGREES REMARK 500 PHE A 82 CB - CG - CD1 ANGL. DEV. = 4.3 DEGREES REMARK 500 ASP A 95 CB - CG - OD1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ASP A 95 CB - CG - OD2 ANGL. DEV. = -5.7 DEGREES REMARK 500 ARG A 96 NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ASP A 102 CB - CG - OD1 ANGL. DEV. = 8.2 DEGREES REMARK 500 ASP A 102 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 SER A 146 CA - CB - OG ANGL. DEV. = -19.6 DEGREES REMARK 500 GLU A 151 CA - CB - CG ANGL. DEV. = -13.3 DEGREES REMARK 500 GLU A 151 OE1 - CD - OE2 ANGL. DEV. = 8.2 DEGREES REMARK 500 LEU A 154 O - C - N ANGL. DEV. = 9.8 DEGREES REMARK 500 CYS A 168 CB - CA - C ANGL. DEV. = 8.6 DEGREES REMARK 500 ASP A 178 CA - CB - CG ANGL. DEV. = -17.4 DEGREES REMARK 500 ASP A 178 CB - CG - OD1 ANGL. DEV. = -9.8 DEGREES REMARK 500 SER A 190 CB - CA - C ANGL. DEV. = 19.7 DEGREES REMARK 500 ASP A 194 CB - CG - OD1 ANGL. DEV. = -5.8 DEGREES REMARK 500 VAL A 199 CB - CA - C ANGL. DEV. = 11.4 DEGREES REMARK 500 VAL A 199 N - CA - CB ANGL. DEV. = 14.5 DEGREES REMARK 500 VAL A 199 CG1 - CB - CG2 ANGL. DEV. = 11.7 DEGREES REMARK 500 ASP A 223 CB - CG - OD2 ANGL. DEV. = 9.8 DEGREES REMARK 500 VAL A 227 CB - CA - C ANGL. DEV. = 11.5 DEGREES REMARK 500 THR A 229 CA - CB - OG1 ANGL. DEV. = -13.4 DEGREES REMARK 500 ASP A 240 CB - CG - OD1 ANGL. DEV. = 6.9 DEGREES REMARK 500 ASP A 240 CB - CG - OD2 ANGL. DEV. = -5.9 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 71 -71.17 -128.89 REMARK 500 ASN A 115 -155.66 -152.95 REMARK 500 SER A 214 -63.05 -121.64 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 BENZAMIDINE IS AN ANALOG OF ARGININE WHICH POSSESSES A REMARK 600 POSITIVELY CHARGED AMIDINIUM GROUP RATHER THAN A REMARK 600 GUANIDINIUM. TWO BENZAMIDINES ARE MODELLED PER TRYPSIN. REMARK 600 BEN 246 BINDS IN THE PRIMARY SPECIFICITY POCKET; BEN 247 REMARK 600 BINDS NONSPECIFICALLY ON THE SURFACE OF THE MOLECULE AT A REMARK 600 LATTICE CONTACT. RAT TRYPSIN CRYSTALS IN THIS CUBIC SPACE REMARK 600 GROUP DO NOT GROW IN THE ABSENCE OF ADDED BENZAMIDINE IN REMARK 600 THE CRYSTALLIZATION DROP. 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 302 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 90.1 REMARK 620 3 VAL A 75 O 165.2 78.8 REMARK 620 4 GLU A 77 OE1 93.9 85.7 95.1 REMARK 620 5 GLU A 80 OE2 98.6 166.1 94.2 82.9 REMARK 620 6 HOH A 261 O 79.2 95.5 91.9 172.9 96.7 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC TRIAD RESIDUES, CONSERVED IN ALL REMARK 800 SERINE PROTEASES OF THE TRYPSIN AND SUBTILISIN STRUCTURAL CLASSES REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 246 REMARK 999 REMARK 999 SEQUENCE REMARK 999 SEQUENCE ADVISORY NOTICE: REMARK 999 SEQUENCE FOR THIS STRUCTURE WAS TAKEN FROM GENEMBL WHICH REMARK 999 DIFFERS FROM SWISSPROT SEQUENCE AT POSITIONS 61 AND 65. DBREF 1BRA A 16 245 UNP P00763 TRY2_RAT 24 246 SEQADV 1BRA GLY A 189 UNP P00763 ASP 194 CONFLICT SEQADV 1BRA ASP A 226 UNP P00763 GLY 227 CONFLICT SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLN GLU ASN SER 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 ASP GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER ARG ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 HIS ASN ILE ASN VAL LEU GLU GLY ASN GLU GLN PHE VAL SEQRES 6 A 223 ASN ALA ALA LYS ILE ILE LYS HIS PRO ASN PHE ASP ARG SEQRES 7 A 223 LYS THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU SER SEQRES 8 A 223 SER PRO VAL LYS LEU ASN ALA ARG VAL ALA THR VAL ALA SEQRES 9 A 223 LEU PRO SER SER CYS ALA PRO ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LEU SER SER GLY VAL ASN SEQRES 11 A 223 GLU PRO ASP LEU LEU GLN CYS LEU ASP ALA PRO LEU LEU SEQRES 12 A 223 PRO GLN ALA ASP CYS GLU ALA SER TYR PRO GLY LYS ILE SEQRES 13 A 223 THR ASP ASN MET VAL CYS VAL GLY PHE LEU GLU GLY GLY SEQRES 14 A 223 LYS GLY SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS ASN GLY GLU LEU GLN GLY ILE VAL SER TRP GLY TYR SEQRES 16 A 223 GLY CYS ALA LEU PRO ASP ASN PRO ASP VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL ASP TRP ILE GLN ASP THR ILE ALA SEQRES 18 A 223 ALA ASN HET CA A 302 1 HET BEN A 246 9 HETNAM CA CALCIUM ION HETNAM BEN BENZAMIDINE FORMUL 2 CA CA 2+ FORMUL 3 BEN C7 H8 N2 FORMUL 4 HOH *137(H2 O) HELIX 1 SHA PRO A 164 TYR A 172 1IRREGULAR AFTER CYS 168 9 HELIX 2 31A LYS A 230 VAL A 235 5LEADS INTO TERMINAL ALPHA-HLX 6 HELIX 3 TEA TYR A 234 ASN A 245 1C-TERMINAL HELIX 12 SHEET 1 S1A 7 TYR A 20 TYR A 20 0 SHEET 2 S1A 7 GLN A 156 PRO A 161 -1 O CYS A 157 N TYR A 20 SHEET 3 S1A 7 CYS A 136 GLY A 140 -1 O CYS A 136 N ALA A 160 SHEET 4 S1A 7 GLY A 197 CYS A 201 -1 N VAL A 200 O LEU A 137 SHEET 5 S1A 7 GLU A 204 TRP A 215 -1 N VAL A 213 O GLY A 197 SHEET 6 S1A 7 ASP A 226 VAL A 231 -1 N VAL A 227 O TRP A 215 SHEET 7 S1A 7 ASN A 179 VAL A 183 -1 N VAL A 183 O ASP A 226 SHEET 1 S2A 4 GLY A 43 SER A 45 0 SHEET 2 S2A 4 VAL A 52 ALA A 55 -1 N VAL A 53 O SER A 45 SHEET 3 S2A 4 ILE A 103 LYS A 107 -1 O MET A 104 N SER A 54 SHEET 4 S2A 4 LYS A 87 HIS A 91 -1 N HIS A 91 O ILE A 103 SHEET 1 S3A 2 ILE A 63 VAL A 66 0 SHEET 2 S3A 2 GLN A 81 ALA A 85 -1 N GLN A 81 O VAL A 66 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.03 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.03 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.05 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.04 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.01 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.05 LINK OE1 GLU A 70 CA CA A 302 1555 1555 2.11 LINK O ASN A 72 CA CA A 302 1555 1555 2.35 LINK O VAL A 75 CA CA A 302 1555 1555 1.96 LINK OE1 GLU A 77 CA CA A 302 1555 1555 2.25 LINK OE2 GLU A 80 CA CA A 302 1555 1555 1.98 LINK O HOH A 261 CA CA A 302 1555 1555 2.18 SITE 1 CAT 3 HIS A 57 ASP A 102 SER A 195 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 GLU A 77 SITE 2 AC1 6 GLU A 80 HOH A 261 SITE 1 AC2 10 SER A 190 GLN A 192 SER A 195 VAL A 213 SITE 2 AC2 10 SER A 214 GLY A 216 GLY A 219 ASP A 226 SITE 3 AC2 10 HOH A 359 HOH A 391 CRYST1 124.400 124.400 124.400 90.00 90.00 90.00 I 2 3 24 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 0.008039 0.000000 0.000000 0.00000 SCALE2 0.000000 0.008039 0.000000 0.00000 SCALE3 0.000000 0.000000 0.008039 0.00000