HEADER SERINE PROTEINASE 26-AUG-94 1BIT TITLE THE CRYSTAL STRUCTURE OF ANIONIC SALMON TRYPSIN IN A SECOND CRYSTAL TITLE 2 FORM COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SALMO SALAR; SOURCE 3 ORGANISM_COMMON: ATLANTIC SALMON; SOURCE 4 ORGANISM_TAXID: 8030 KEYWDS SERINE PROTEINASE EXPDTA X-RAY DIFFRACTION AUTHOR G.I.BERGLUND REVDAT 6 20-NOV-24 1BIT 1 REMARK LINK REVDAT 5 14-AUG-19 1BIT 1 REMARK REVDAT 4 17-JUL-19 1BIT 1 REMARK REVDAT 3 25-AUG-09 1BIT 1 SOURCE REVDAT 2 24-FEB-09 1BIT 1 VERSN REVDAT 1 01-NOV-94 1BIT 0 JRNL AUTH G.I.BERGLUND,A.O.SMALAS,A.HORDVIK,N.P.WILLASSEN JRNL TITL STRUCTURE OF ANIONIC SALMON TRYPSIN IN A SECOND CRYSTAL JRNL TITL 2 FORM. JRNL REF ACTA CRYSTALLOGR.,SECT.D V. 51 725 1995 JRNL REFN ISSN 0907-4449 JRNL PMID 15299802 JRNL DOI 10.1107/S0907444995000333 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.O.SMALAS,E.S.HEIMSTAD,A.HORDVIK,N.P.WILLASSEN REMARK 1 TITL COLD-ADAPTION OF ENZYMES: STRUCTURAL COMPARISON BETWEEN REMARK 1 TITL 2 SALMON AND BOVINE TRYPSINS REMARK 1 REF TO BE PUBLISHED REMARK 1 REFN REMARK 1 REFERENCE 2 REMARK 1 AUTH A.O.SMALAS,A.HORDVIK REMARK 1 TITL CRYSTAL STRUCTURE DETERMINATION AND REFINEMENT OF REMARK 1 TITL 2 BENZAMIDINE-INHIBITED TRYPSIN FROM THE NORTH ATLANTIC SALMON REMARK 1 TITL 3 (SALMO SALAR) REMARK 1 REF ACTA CRYSTALLOGR.,SECT.D V. 49 318 1993 REMARK 1 REFN ISSN 0907-4449 REMARK 1 REFERENCE 3 REMARK 1 AUTH A.O.SMALAS,A.HORDVIK,L.K.HANSEN,E.HOUGH,K.JYNGE REMARK 1 TITL CRYSTALLIZATION AND PRELIMINARY X-RAY CRYSTALLOGRAPHIC REMARK 1 TITL 2 STUDIES OF BENZAMIDINE-INHIBITED TRYPSIN FROM THE NORTH REMARK 1 TITL 3 ATLANTIC SALMON (SALMO SALAR) REMARK 1 REF J.MOL.BIOL. V. 214 355 1990 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 4 REMARK 1 AUTH H.D.BARTUNIK,L.J.SUMMERS,H.H.BARTSCH REMARK 1 TITL CRYSTAL STRUCTURE OF BOVINE B-TRYPSIN AT 1.5 ANGSTROMS REMARK 1 TITL 2 RESOLUTION IN A CRYSTAL FORM WITH LOW MOLECULAR PACKING REMARK 1 TITL 3 DENSITY REMARK 1 REF J.MOL.BIOL. V. 210 813 1989 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 5 REMARK 1 AUTH M.MARQUART,J.WALTER,J.DEISENHOFER,W.BODE,R.HUBER REMARK 1 TITL THE GEOMETRY OF THE REACTIVE SITE AND OF THE PEPTIDE GROUPS REMARK 1 TITL 2 IN TRYPSIN, TRYPSINOGEN AND ITS COMPLEXES WITH INHIBITORS REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 39 480 1983 REMARK 1 REFN ISSN 0108-7681 REMARK 1 REFERENCE 6 REMARK 1 AUTH J.H.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 2 REMARK 2 RESOLUTION. 1.83 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) : 1.83 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 14271 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) : 0.199 REMARK 3 R VALUE (WORKING SET) : 0.199 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 : 1662 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 24 REMARK 3 SOLVENT ATOMS : 125 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) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; 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 1BIT 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_1000171808. 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: X-PLOR REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.78 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.95 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 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+1/2,Y+1/2,-Z 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 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 38.54500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 41.16500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 38.54500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 41.16500 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 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 PHE A 1 REMARK 465 VAL A 2 REMARK 465 LEU A 3 REMARK 465 LEU A 4 REMARK 465 ILE A 5 REMARK 465 GLY A 6 REMARK 465 ALA A 7 REMARK 465 ALA A 8 REMARK 465 PHE A 9 REMARK 465 ALA A 10 REMARK 465 THR A 11 REMARK 465 GLU A 12 REMARK 465 ASP A 13 REMARK 465 ASP A 14 REMARK 465 LYS A 15 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 SER A 244 REMARK 475 TYR A 245 REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LYS A 23 CG CD CE NZ REMARK 480 GLU A 49 CD OE1 OE2 REMARK 480 ARG A 62 CG CD NE CZ NH1 NH2 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 62 NE - CZ - NH1 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 66 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 ARG A 66 NE - CZ - NH2 ANGL. DEV. = -3.9 DEGREES REMARK 500 GLU A 80 CA - CB - CG ANGL. DEV. = 20.6 DEGREES REMARK 500 ALA A 243 O - C - N ANGL. DEV. = -25.8 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 TYR A 25 17.06 59.89 REMARK 500 GLN A 27 63.36 -113.93 REMARK 500 SER A 37 56.68 -140.31 REMARK 500 HIS A 71 -63.64 -128.65 REMARK 500 ASN A 115 -161.78 -164.67 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 62 0.27 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 ALA A 243 -33.01 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 CALCIUM (IDENTIFIER CA) IS STRUCTURALLY BOUND IN THE SAME REMARK 600 SEQUENTIAL POSITION AS FOR BOVINE TRYPSIN. REMARK 600 REMARK 600 A SULFATE ION HAS BEEN LOCATED AT THE ACTIVE SITE REGION REMARK 600 IN A SIMILAR POSITION REPORTED FOR BOVINE TRYPSIN. 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 248 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 95.6 REMARK 620 3 VAL A 75 O 162.0 77.9 REMARK 620 4 GLU A 77 OE1 91.8 94.2 105.3 REMARK 620 5 GLU A 80 OE2 94.5 169.2 93.4 81.8 REMARK 620 6 HOH A 331 O 77.0 97.9 87.2 164.2 87.9 REMARK 620 N 1 2 3 4 5 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 248 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 249 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 246 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEN A 247 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE AMINO ACID NUMBERING SYSTEM IS THE ONE ADOPTED FROM REMARK 999 CHYMOTRYPSINOGEN AND IS ALSO THE SAME AS USED FOR ALL THE REMARK 999 PDB ENTRIES OF TRYPSINS FROM OTHER SPECIES. DBREF 1BIT A 1 245 PIR S31776 S31776 6 242 SEQRES 1 A 237 PHE VAL LEU LEU ILE GLY ALA ALA PHE ALA THR GLU ASP SEQRES 2 A 237 ASP LYS ILE VAL GLY GLY TYR GLU CYS LYS ALA TYR SER SEQRES 3 A 237 GLN ALA HIS GLN VAL SER LEU ASN SER GLY TYR HIS PHE SEQRES 4 A 237 CYS GLY GLY SER LEU VAL ASN GLU ASN TRP VAL VAL SER SEQRES 5 A 237 ALA ALA HIS CYS TYR LYS SER ARG VAL GLU VAL ARG LEU SEQRES 6 A 237 GLY GLU HIS ASN ILE LYS VAL THR GLU GLY SER GLU GLN SEQRES 7 A 237 PHE ILE SER SER SER ARG VAL ILE ARG HIS PRO ASN TYR SEQRES 8 A 237 SER SER TYR ASN ILE ASP ASN ASP ILE MET LEU ILE LYS SEQRES 9 A 237 LEU SER LYS PRO ALA THR LEU ASN THR TYR VAL GLN PRO SEQRES 10 A 237 VAL ALA LEU PRO THR SER CYS ALA PRO ALA GLY THR MET SEQRES 11 A 237 CYS THR VAL SER GLY TRP GLY ASN THR MET SER SER THR SEQRES 12 A 237 ALA ASP SER ASN LYS LEU GLN CYS LEU ASN ILE PRO ILE SEQRES 13 A 237 LEU SER TYR SER ASP CYS ASN ASN SER TYR PRO GLY MET SEQRES 14 A 237 ILE THR ASN ALA MET PHE CYS ALA GLY TYR LEU GLU GLY SEQRES 15 A 237 GLY LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL SEQRES 16 A 237 VAL CYS ASN GLY GLU LEU GLN GLY VAL VAL SER TRP GLY SEQRES 17 A 237 TYR GLY CYS ALA GLU PRO GLY ASN PRO GLY VAL TYR ALA SEQRES 18 A 237 LYS VAL CYS ILE PHE ASN ASP TRP LEU THR SER THR MET SEQRES 19 A 237 ALA SER TYR HET CA A 248 1 HET SO4 A 249 5 HET BEN A 246 9 HET BEN A 247 9 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION HETNAM BEN BENZAMIDINE FORMUL 2 CA CA 2+ FORMUL 3 SO4 O4 S 2- FORMUL 4 BEN 2(C7 H8 N2) FORMUL 6 HOH *125(H2 O) HELIX 1 1 ALA A 55 TYR A 59 5 5 HELIX 2 2 SER A 164 TYR A 172 1 9 HELIX 3 3 PHE A 234 SER A 244 1 11 SHEET 1 A 7 TYR A 20 GLU A 21 0 SHEET 2 A 7 GLN A 156 PRO A 161 -1 N CYS A 157 O TYR A 20 SHEET 3 A 7 MET A 135 GLY A 140 -1 N CYS A 136 O ILE A 160 SHEET 4 A 7 PRO A 198 CYS A 201 -1 O PRO A 198 N SER A 139 SHEET 5 A 7 GLU A 204 TRP A 215 -1 O GLU A 204 N CYS A 201 SHEET 6 A 7 GLY A 226 LYS A 230 -1 N VAL A 227 O TRP A 215 SHEET 7 A 7 MET A 180 ALA A 183 -1 O PHE A 181 N TYR A 228 SHEET 1 B 7 GLN A 30 ASN A 34 0 SHEET 2 B 7 HIS A 40 LEU A 46 -1 N PHE A 41 O LEU A 33 SHEET 3 B 7 TRP A 51 SER A 54 -1 N VAL A 53 O SER A 45 SHEET 4 B 7 MET A 104 LEU A 108 -1 N MET A 104 O SER A 54 SHEET 5 B 7 GLN A 81 ARG A 90 -1 N SER A 86 O LYS A 107 SHEET 6 B 7 GLU A 64 LEU A 67 -1 N VAL A 65 O ILE A 83 SHEET 7 B 7 GLN A 30 ASN A 34 -1 O SER A 32 N ARG A 66 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.07 SSBOND 2 CYS A 42 CYS A 58 1555 1555 1.98 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.07 SSBOND 4 CYS A 136 CYS A 201 1555 1555 1.93 SSBOND 5 CYS A 168 CYS A 182 1555 1555 1.96 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.09 LINK OE1 GLU A 70 CA CA A 248 1555 1555 2.38 LINK O ASN A 72 CA CA A 248 1555 1555 2.43 LINK O VAL A 75 CA CA A 248 1555 1555 2.30 LINK OE1 GLU A 77 CA CA A 248 1555 1555 2.57 LINK OE2 GLU A 80 CA CA A 248 1555 1555 2.45 LINK CA CA A 248 O HOH A 331 1555 1555 2.50 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 331 SITE 1 AC2 6 HIS A 57 GLN A 192 GLY A 193 SER A 195 SITE 2 AC2 6 BEN A 246 HOH A 336 SITE 1 AC3 10 ASP A 189 SER A 190 CYS A 191 SER A 195 SITE 2 AC3 10 VAL A 213 TRP A 215 GLY A 216 GLY A 219 SITE 3 AC3 10 GLY A 226 SO4 A 249 SITE 1 AC4 8 THR A 76 PHE A 82 SER A 171 PRO A 173 SITE 2 AC4 8 MET A 175 GLY A 223 ASN A 224 HOH A 358 CRYST1 77.090 82.330 31.160 90.00 90.00 90.00 P 21 21 2 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 0.012972 0.000000 0.000000 0.00000 SCALE2 0.000000 0.012146 0.000000 0.00000 SCALE3 0.000000 0.000000 0.032092 0.00000