HEADER HYDROLASE/HYDROLASE INHIBITOR 15-AUG-07 2QYI TITLE CRYSTAL STRUCTURE OF A BINARY COMPLEX BETWEEN AN ENGINEERED TRYPSIN TITLE 2 INHIBITOR AND BOVINE TRYPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATIONIC TRYPSIN; COMPND 3 CHAIN: A, C; COMPND 4 SYNONYM: BETA-TRYPSIN; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: CHYMOTRYPSIN INHIBITOR 3; COMPND 8 CHAIN: B, D; COMPND 9 SYNONYM: WCI-3; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PET28A+; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: PSOPHOCARPUS TETRAGONOLOBUS; SOURCE 11 ORGANISM_COMMON: GOA BEAN; SOURCE 12 ORGANISM_TAXID: 3891; SOURCE 13 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 14 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS P1 MUTANT, TRYPSIN INHIBITOR, BOVINE TRYPSIN, COMPLEX, CALCIUM, KEYWDS 2 DIGESTION, HYDROLASE, METAL-BINDING, PROTEASE, SECRETED, SERINE KEYWDS 3 PROTEASE, ZYMOGEN, PROTEASE INHIBITOR, SERINE PROTEASE INHIBITOR, KEYWDS 4 HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.KHAMRUI,J.DASGUPTA,J.K.DATTAGUPTA,U.SEN REVDAT 3 10-NOV-21 2QYI 1 REMARK SEQADV REVDAT 2 24-FEB-09 2QYI 1 VERSN REVDAT 1 19-AUG-08 2QYI 0 JRNL AUTH U.SEN JRNL TITL CRYSTAL STRUCTURE OF A BINARY COMPLEX BETWEEN AN ENGINEERED JRNL TITL 2 TRYPSIN INHIBITOR AND BOVINE TRYPSIN JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH S.KHAMRUI,J.DASGUPTA,J.K.DATTAGUPTA,U.SEN REMARK 1 TITL SINGLE MUTATION AT P1 OF A CHYMOTRYPSIN INHIBITOR CHANGES IT REMARK 1 TITL 2 TO A TRYPSIN INHIBITOR: X-RAY STRUCTURAL (2.15 A) AND REMARK 1 TITL 3 BIOCHEMICAL BASIS REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V.1752 65 2005 REMARK 1 REFN ISSN 0006-3002 REMARK 1 PMID 16081330 REMARK 1 DOI 10.1016/J.BBAPAP.2005.06.012 REMARK 2 REMARK 2 RESOLUTION. 2.60 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.3 REMARK 3 NUMBER OF REFLECTIONS : 23193 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.208 REMARK 3 FREE R VALUE : 0.268 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.700 REMARK 3 FREE R VALUE TEST SET COUNT : 1133 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 : 6000 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 3 REMARK 3 SOLVENT ATOMS : 312 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 30.28 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -10.67700 REMARK 3 B22 (A**2) : 3.18400 REMARK 3 B33 (A**2) : 7.49300 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 2.75700 REMARK 3 B23 (A**2) : 0.00000 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) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.544 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 33.75 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2QYI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-SEP-07. REMARK 100 THE DEPOSITION ID IS D_1000044204. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-AUG-06 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MAR SCANNER 345 MM PLATE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23234 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.600 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : 2.910 REMARK 200 R MERGE (I) : 0.08800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 4.0000 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: SINGLE WAVELENGTH 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 (%): 45.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.26 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 30% JEFAMINE, VAPOR DIFFUSION, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 71.84700 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 38.71850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 71.84700 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 38.71850 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 LYS B 779 REMARK 465 SER B 780 REMARK 465 GLU B 781 REMARK 465 THR B 782 REMARK 465 ALA B 783 REMARK 465 SER B 784 REMARK 465 SER B 785 REMARK 465 HIS B 786 REMARK 465 LYS D 979 REMARK 465 SER D 980 REMARK 465 GLU D 981 REMARK 465 THR D 982 REMARK 465 ALA D 983 REMARK 465 SER D 984 REMARK 465 SER D 985 REMARK 465 HIS D 986 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 OE2 GLU B 772 NI NI B 992 1.64 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 D 888 CA - CB - SG ANGL. DEV. = 8.1 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 ALA A 24 123.67 -39.73 REMARK 500 ASN A 48 156.28 179.47 REMARK 500 SER A 49 -21.73 -39.81 REMARK 500 SER A 54 -154.72 -131.05 REMARK 500 ASP A 71 -77.49 -153.80 REMARK 500 ASN A 115 -153.85 -138.99 REMARK 500 SER A 150 105.76 -166.33 REMARK 500 ASP A 189 -179.97 -172.64 REMARK 500 SER A 214 -79.29 -112.51 REMARK 500 PRO B 645 86.85 -51.84 REMARK 500 GLU B 654 -4.64 -57.69 REMARK 500 ARG B 668 38.64 -79.95 REMARK 500 PRO B 703 114.01 -35.44 REMARK 500 SER B 726 30.38 -68.26 REMARK 500 ILE B 730 125.41 143.41 REMARK 500 ASP B 741 -127.71 -139.43 REMARK 500 GLU B 743 39.99 37.35 REMARK 500 CYS B 747 74.33 -119.64 REMARK 500 ASN B 758 11.28 -65.15 REMARK 500 ASN B 760 129.89 -34.06 REMARK 500 ASN C 325 29.61 42.58 REMARK 500 VAL C 327 65.38 -116.37 REMARK 500 SER C 337 30.70 -144.86 REMARK 500 SER C 349 3.46 -60.28 REMARK 500 ASP C 371 -76.40 -144.15 REMARK 500 ASN C 415 -164.12 -163.31 REMARK 500 SER C 447 48.34 143.29 REMARK 500 SER C 450 116.20 -165.18 REMARK 500 SER C 514 -74.04 -120.06 REMARK 500 ASP D 805 7.63 -64.55 REMARK 500 TRP D 828 49.82 -89.35 REMARK 500 ARG D 868 45.12 -85.20 REMARK 500 CYS D 888 -7.88 154.37 REMARK 500 SER D 926 -70.93 22.72 REMARK 500 ASN D 929 -39.22 143.28 REMARK 500 ASP D 941 46.59 -101.90 REMARK 500 GLU D 942 -88.19 72.04 REMARK 500 GLU D 943 -78.64 -69.25 REMARK 500 GLN D 949 129.80 -170.38 REMARK 500 ASN D 969 48.19 71.73 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 991 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 ASN A 72 O 83.7 REMARK 620 3 VAL A 75 O 156.1 72.5 REMARK 620 4 GLU A 80 OE2 102.0 137.7 97.6 REMARK 620 N 1 2 3 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 NI B 992 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS B 626 ND1 REMARK 620 2 HIS B 727 NE2 112.2 REMARK 620 N 1 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA C 990 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU C 370 OE1 REMARK 620 2 ASN C 372 O 86.0 REMARK 620 3 VAL C 375 O 147.3 71.6 REMARK 620 4 GLU C 380 OE2 115.3 158.3 87.4 REMARK 620 N 1 2 3 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 991 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI B 992 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 990 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EYL RELATED DB: PDB REMARK 900 CHYMOTRYPSIN INHIBITOR REMARK 900 RELATED ID: 1FMZ RELATED DB: PDB REMARK 900 CHYMOTRYPSIN INHIBITOR REMARK 900 RELATED ID: 1XG6 RELATED DB: PDB REMARK 900 P1 MUTANT (LEU TO ARG) CHYMOTRYPSIN INHIBITOR DBREF 2QYI A 16 245 UNP P00760 TRY1_BOVIN 21 243 DBREF 2QYI B 604 786 UNP P10822 ICW3_PSOTE 25 207 DBREF 2QYI C 316 545 UNP P00760 TRY1_BOVIN 21 243 DBREF 2QYI D 804 986 UNP P10822 ICW3_PSOTE 25 207 SEQADV 2QYI ARG B 668 UNP P10822 LEU 89 ENGINEERED MUTATION SEQADV 2QYI ARG D 868 UNP P10822 LEU 89 ENGINEERED MUTATION 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 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 SEQRES 1 B 183 ASP ASP ASP LEU VAL ASP ALA GLU GLY ASN LEU VAL GLU SEQRES 2 B 183 ASN GLY GLY THR TYR TYR LEU LEU PRO HIS ILE TRP ALA SEQRES 3 B 183 HIS GLY GLY GLY ILE GLU THR ALA LYS THR GLY ASN GLU SEQRES 4 B 183 PRO CYS PRO LEU THR VAL VAL ARG SER PRO ASN GLU VAL SEQRES 5 B 183 SER LYS GLY GLU PRO ILE ARG ILE SER SER GLN PHE ARG SEQRES 6 B 183 SER LEU PHE ILE PRO ARG GLY SER LEU VAL ALA LEU GLY SEQRES 7 B 183 PHE ALA ASN PRO PRO SER CYS ALA ALA SER PRO TRP TRP SEQRES 8 B 183 THR VAL VAL ASP SER PRO GLN GLY PRO ALA VAL LYS LEU SEQRES 9 B 183 SER GLN GLN LYS LEU PRO GLU LYS ASP ILE LEU VAL PHE SEQRES 10 B 183 LYS PHE GLU LYS VAL SER HIS SER ASN ILE HIS VAL TYR SEQRES 11 B 183 LYS LEU LEU TYR CYS GLN HIS ASP GLU GLU ASP VAL LYS SEQRES 12 B 183 CYS ASP GLN TYR ILE GLY ILE HIS ARG ASP ARG ASN GLY SEQRES 13 B 183 ASN ARG ARG LEU VAL VAL THR GLU GLU ASN PRO LEU GLU SEQRES 14 B 183 LEU VAL LEU LEU LYS ALA LYS SER GLU THR ALA SER SER SEQRES 15 B 183 HIS SEQRES 1 C 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO SEQRES 2 C 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 C 223 GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 C 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 C 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 C 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 C 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 C 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 C 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 C 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 C 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 C 223 SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 C 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 C 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 C 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 C 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 C 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 C 223 SER ASN SEQRES 1 D 183 ASP ASP ASP LEU VAL ASP ALA GLU GLY ASN LEU VAL GLU SEQRES 2 D 183 ASN GLY GLY THR TYR TYR LEU LEU PRO HIS ILE TRP ALA SEQRES 3 D 183 HIS GLY GLY GLY ILE GLU THR ALA LYS THR GLY ASN GLU SEQRES 4 D 183 PRO CYS PRO LEU THR VAL VAL ARG SER PRO ASN GLU VAL SEQRES 5 D 183 SER LYS GLY GLU PRO ILE ARG ILE SER SER GLN PHE ARG SEQRES 6 D 183 SER LEU PHE ILE PRO ARG GLY SER LEU VAL ALA LEU GLY SEQRES 7 D 183 PHE ALA ASN PRO PRO SER CYS ALA ALA SER PRO TRP TRP SEQRES 8 D 183 THR VAL VAL ASP SER PRO GLN GLY PRO ALA VAL LYS LEU SEQRES 9 D 183 SER GLN GLN LYS LEU PRO GLU LYS ASP ILE LEU VAL PHE SEQRES 10 D 183 LYS PHE GLU LYS VAL SER HIS SER ASN ILE HIS VAL TYR SEQRES 11 D 183 LYS LEU LEU TYR CYS GLN HIS ASP GLU GLU ASP VAL LYS SEQRES 12 D 183 CYS ASP GLN TYR ILE GLY ILE HIS ARG ASP ARG ASN GLY SEQRES 13 D 183 ASN ARG ARG LEU VAL VAL THR GLU GLU ASN PRO LEU GLU SEQRES 14 D 183 LEU VAL LEU LEU LYS ALA LYS SER GLU THR ALA SER SER SEQRES 15 D 183 HIS HET CA A 991 1 HET NI B 992 1 HET CA C 990 1 HETNAM CA CALCIUM ION HETNAM NI NICKEL (II) ION FORMUL 5 CA 2(CA 2+) FORMUL 6 NI NI 2+ FORMUL 8 HOH *312(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 TYR A 234 SER A 244 1 11 HELIX 4 4 ILE B 627 GLY B 631 5 5 HELIX 5 5 PRO B 713 ILE B 717 5 5 HELIX 6 6 ALA C 355 TYR C 359 5 5 HELIX 7 7 SER C 464 TYR C 472 1 9 HELIX 8 8 TYR C 534 ILE C 542 1 9 HELIX 9 9 PRO D 913 ILE D 917 5 5 SHEET 1 A 7 TYR A 20 THR A 21 0 SHEET 2 A 7 LYS A 156 PRO A 161 -1 O CYS A 157 N TYR A 20 SHEET 3 A 7 GLN A 135 GLY A 140 -1 N ILE A 138 O LEU A 158 SHEET 4 A 7 PRO A 198 CYS A 201 -1 O VAL A 200 N LEU A 137 SHEET 5 A 7 LYS A 204 TRP A 215 -1 O LYS A 204 N CYS A 201 SHEET 6 A 7 GLY A 226 LYS A 230 -1 O VAL A 227 N TRP A 215 SHEET 7 A 7 MET A 180 ALA A 183 -1 N PHE A 181 O TYR A 228 SHEET 1 B 7 GLN A 30 ASN A 34 0 SHEET 2 B 7 HIS A 40 ASN A 48 -1 O PHE A 41 N LEU A 33 SHEET 3 B 7 TRP A 51 SER A 54 -1 O VAL A 53 N SER A 45 SHEET 4 B 7 MET A 104 LEU A 108 -1 O ILE A 106 N VAL A 52 SHEET 5 B 7 GLN A 81 VAL A 90 -1 N ILE A 89 O LEU A 105 SHEET 6 B 7 GLN A 64 LEU A 67 -1 N LEU A 67 O GLN A 81 SHEET 7 B 7 GLN A 30 ASN A 34 -1 N ASN A 34 O GLN A 64 SHEET 1 C 4 ALA B 679 PHE B 682 0 SHEET 2 C 4 PRO B 660 SER B 664 -1 N ARG B 662 O GLY B 681 SHEET 3 C 4 GLY B 619 PRO B 625 -1 N TYR B 621 O ILE B 661 SHEET 4 C 4 LEU B 773 LYS B 777 -1 O LEU B 776 N TYR B 622 SHEET 1 D 4 ILE B 634 ALA B 637 0 SHEET 2 D 4 THR B 647 ARG B 650 -1 O VAL B 649 N GLU B 635 SHEET 3 D 4 ARG B 761 VAL B 764 -1 O ARG B 761 N ARG B 650 SHEET 4 D 4 GLY B 752 ARG B 755 -1 N GLY B 752 O VAL B 764 SHEET 1 E 2 THR B 695 VAL B 697 0 SHEET 2 E 2 ALA B 704 LYS B 706 -1 O LYS B 706 N THR B 695 SHEET 1 F 2 PHE B 720 LYS B 724 0 SHEET 2 F 2 TYR B 733 TYR B 737 -1 O LEU B 736 N LYS B 721 SHEET 1 G 2 GLN B 739 HIS B 740 0 SHEET 2 G 2 VAL B 745 LYS B 746 -1 O LYS B 746 N GLN B 739 SHEET 1 H 7 TYR C 320 THR C 321 0 SHEET 2 H 7 LYS C 456 PRO C 461 -1 O CYS C 457 N TYR C 320 SHEET 3 H 7 GLN C 435 GLY C 440 -1 N ILE C 438 O LEU C 458 SHEET 4 H 7 PRO C 498 CYS C 501 -1 O VAL C 500 N LEU C 437 SHEET 5 H 7 LYS C 504 TRP C 515 -1 O LYS C 504 N CYS C 501 SHEET 6 H 7 GLY C 526 LYS C 530 -1 O VAL C 527 N TRP C 515 SHEET 7 H 7 MET C 480 ALA C 483 -1 N PHE C 481 O TYR C 528 SHEET 1 I 7 GLN C 330 ASN C 334 0 SHEET 2 I 7 HIS C 340 ASN C 348 -1 O GLY C 344 N VAL C 331 SHEET 3 I 7 TRP C 351 SER C 354 -1 O VAL C 353 N SER C 345 SHEET 4 I 7 MET C 404 LEU C 408 -1 O ILE C 406 N VAL C 352 SHEET 5 I 7 GLN C 381 VAL C 390 -1 N ILE C 389 O LEU C 405 SHEET 6 I 7 GLN C 364 LEU C 367 -1 N VAL C 365 O ILE C 383 SHEET 7 I 7 GLN C 330 ASN C 334 -1 N SER C 332 O ARG C 366 SHEET 1 J 6 ALA D 879 PHE D 882 0 SHEET 2 J 6 ILE D 861 SER D 864 -1 N ARG D 862 O GLY D 881 SHEET 3 J 6 THR D 820 LEU D 824 -1 N TYR D 821 O ILE D 861 SHEET 4 J 6 GLU D 972 LYS D 977 -1 O LEU D 976 N TYR D 822 SHEET 5 J 6 TYR D 933 TYR D 937 -1 N TYR D 933 O LEU D 973 SHEET 6 J 6 PHE D 920 LYS D 924 -1 N LYS D 921 O LEU D 936 SHEET 1 K 4 ILE D 834 ALA D 837 0 SHEET 2 K 4 THR D 847 ARG D 850 -1 O THR D 847 N ALA D 837 SHEET 3 K 4 ARG D 961 VAL D 964 -1 O ARG D 961 N ARG D 850 SHEET 4 K 4 GLY D 952 ARG D 955 -1 N GLY D 952 O VAL D 964 SHEET 1 L 2 THR D 895 VAL D 897 0 SHEET 2 L 2 ALA D 904 LYS D 906 -1 O ALA D 904 N VAL D 897 SHEET 1 M 2 GLN D 939 HIS D 940 0 SHEET 2 M 2 VAL D 945 LYS D 946 -1 O LYS D 946 N GLN D 939 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.04 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.03 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.03 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.02 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.04 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.04 SSBOND 7 CYS B 644 CYS B 688 1555 1555 2.01 SSBOND 8 CYS B 738 CYS B 747 1555 1555 2.04 SSBOND 9 CYS C 322 CYS C 457 1555 1555 2.04 SSBOND 10 CYS C 342 CYS C 358 1555 1555 2.03 SSBOND 11 CYS C 428 CYS C 532 1555 1555 2.03 SSBOND 12 CYS C 436 CYS C 501 1555 1555 2.03 SSBOND 13 CYS C 468 CYS C 482 1555 1555 2.03 SSBOND 14 CYS C 491 CYS C 520 1555 1555 2.04 SSBOND 15 CYS D 844 CYS D 888 1555 1555 2.02 SSBOND 16 CYS D 938 CYS D 947 1555 1555 2.04 LINK OE1 GLU A 70 CA CA A 991 1555 1555 2.17 LINK O ASN A 72 CA CA A 991 1555 1555 2.43 LINK O VAL A 75 CA CA A 991 1555 1555 2.39 LINK OE2 GLU A 80 CA CA A 991 1555 1555 2.62 LINK ND1 HIS B 626 NI NI B 992 1555 1555 1.90 LINK NE2 HIS B 727 NI NI B 992 1555 1555 1.94 LINK OE1 GLU C 370 CA CA C 990 1555 1555 2.46 LINK O ASN C 372 CA CA C 990 1555 1555 2.44 LINK O VAL C 375 CA CA C 990 1555 1555 2.29 LINK OE2 GLU C 380 CA CA C 990 1555 1555 2.22 SITE 1 AC1 3 GLU A 70 ASN A 72 GLU A 80 SITE 1 AC2 4 HIS B 626 HIS B 727 GLU B 772 HIS D 830 SITE 1 AC3 3 GLU C 370 ASN C 372 GLU C 380 CRYST1 143.694 77.437 72.907 90.00 103.00 90.00 C 1 2 1 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 0.006959 0.000000 0.001607 0.00000 SCALE2 0.000000 0.012914 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014077 0.00000