HEADER HYDROLASE INHIBITOR 27-OCT-05 2ET2 TITLE CRYSTAL STRUCTURE OF AN ASN TO ALA MUTANT OF WINGED BEAN CHYMOTRYPSIN TITLE 2 INHIBITOR PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHYMOTRYPSIN INHIBITOR 3; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: WCI-3; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: PSOPHOCARPUS TETRAGONOLOBUS; SOURCE 3 ORGANISM_COMMON: WINGED BEAN; SOURCE 4 ORGANISM_TAXID: 3891; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PET28A+ KEYWDS BETA TREFOIL, MUTATION, SCAFFOLD, HYDROLASE INHIBITOR EXPDTA X-RAY DIFFRACTION AUTHOR J.K.DATTAGUPTA,U.SEN,J.DASGUPTA,S.KHAMRUI REVDAT 4 20-OCT-21 2ET2 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 2ET2 1 VERSN REVDAT 2 24-FEB-09 2ET2 1 VERSN REVDAT 1 13-JUN-06 2ET2 0 JRNL AUTH J.DASGUPTA,S.KHAMRUI,J.K.DATTAGUPTA,U.SEN JRNL TITL SPACER ASN DETERMINES THE FATE OF KUNITZ (STI) INHIBITORS, JRNL TITL 2 AS REVEALED BY STRUCTURAL AND BIOCHEMICAL STUDIES ON WCI JRNL TITL 3 MUTANTS. JRNL REF BIOCHEMISTRY V. 45 6783 2006 JRNL REFN ISSN 0006-2960 JRNL PMID 16734415 JRNL DOI 10.1021/BI060374Q 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 1 REFERENCE 2 REMARK 1 AUTH J.DASGUPTA,U.SEN,J.K.DATTAGUPTA REMARK 1 TITL IN SILICO MUTATIONS AND MOLECULAR DYNAMICS STUDIES ON A REMARK 1 TITL 2 WINGED BEAN CHYMOTRYPSIN INHIBITOR PROTEIN. REMARK 1 REF PROTEIN ENG. V. 16 489 2003 REMARK 1 REFN ISSN 0269-2139 REMARK 1 PMID 12915726 REMARK 1 DOI 10.1093/PROTEIN/GZG070 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.93 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1910373.470 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.4 REMARK 3 NUMBER OF REFLECTIONS : 13870 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.227 REMARK 3 FREE R VALUE : 0.275 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 693 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 96.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2075 REMARK 3 BIN R VALUE (WORKING SET) : 0.2670 REMARK 3 BIN FREE R VALUE : 0.2850 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 128 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.025 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1366 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 6 REMARK 3 SOLVENT ATOMS : 217 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 22.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 3.83000 REMARK 3 B22 (A**2) : 3.83000 REMARK 3 B33 (A**2) : -7.65000 REMARK 3 B12 (A**2) : 4.38000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.24 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.22 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.00 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.710 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.300 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.220 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.970 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.36 REMARK 3 BSOL : 55.51 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : ION.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : ION.TOP REMARK 3 TOPOLOGY FILE 3 : WATER_REP.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2ET2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-NOV-05. REMARK 100 THE DEPOSITION ID IS D_1000035057. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-MAR-05 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 8.0 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) : 1.54 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13870 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 19.930 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.6 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25.5% PEG 8K, 0.17 M AMMONIUM REMARK 280 SULPHATE, 15% GLYCEROL, PH 8.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 293.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 70.72667 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 141.45333 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 106.09000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 176.81667 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 35.36333 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 70.72667 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 141.45333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 176.81667 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 106.09000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 35.36333 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS 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 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1730 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17870 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -69.0 KCAL/MOL 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 0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 35.36333 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 MET A 1 REMARK 465 GLU A 2 REMARK 465 PHE A 3 REMARK 465 LYS A 179 REMARK 465 SER A 180 REMARK 465 GLU A 181 REMARK 465 THR A 182 REMARK 465 ALA A 183 REMARK 465 SER A 184 REMARK 465 SER A 185 REMARK 465 HIS A 186 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 GLU A 142 N - CA - C ANGL. DEV. = 16.8 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 PRO A 45 95.34 -62.83 REMARK 500 ARG A 74 -24.68 -38.56 REMARK 500 ASP A 141 40.37 -102.71 REMARK 500 GLU A 142 -72.16 58.45 REMARK 500 ASP A 144 -150.39 -108.77 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 NI A 196 NI REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 26 ND1 REMARK 620 2 HIS A 127 NE2 117.8 REMARK 620 3 GLU A 172 OE2 112.2 92.5 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI A 196 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 197 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1EYL RELATED DB: PDB REMARK 900 THE SAME PROTEIN WITH NO MUTATION REMARK 900 RELATED ID: 1FMZ RELATED DB: PDB REMARK 900 WILD TYPE PROTEIN REMARK 900 RELATED ID: 2ESU RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF ASN TO GLN NUATANT OF WINGED BEAN CHYMOTRYPSIN REMARK 900 INHIBITOR PROTEIN DBREF 2ET2 A 4 186 UNP P10822 ICW3_PSOTE 25 207 SEQADV 2ET2 MET A 1 UNP P10822 CLONING ARTIFACT SEQADV 2ET2 GLU A 2 UNP P10822 CLONING ARTIFACT SEQADV 2ET2 PHE A 3 UNP P10822 CLONING ARTIFACT SEQADV 2ET2 ALA A 17 UNP P10822 ASN 38 ENGINEERED MUTATION SEQRES 1 A 186 MET GLU PHE ASP ASP ASP LEU VAL ASP ALA GLU GLY ASN SEQRES 2 A 186 LEU VAL GLU ALA GLY GLY THR TYR TYR LEU LEU PRO HIS SEQRES 3 A 186 ILE TRP ALA HIS GLY GLY GLY ILE GLU THR ALA LYS THR SEQRES 4 A 186 GLY ASN GLU PRO CYS PRO LEU THR VAL VAL ARG SER PRO SEQRES 5 A 186 ASN GLU VAL SER LYS GLY GLU PRO ILE ARG ILE SER SER SEQRES 6 A 186 GLN PHE LEU SER LEU PHE ILE PRO ARG GLY SER LEU VAL SEQRES 7 A 186 ALA LEU GLY PHE ALA ASN PRO PRO SER CYS ALA ALA SER SEQRES 8 A 186 PRO TRP TRP THR VAL VAL ASP SER PRO GLN GLY PRO ALA SEQRES 9 A 186 VAL LYS LEU SER GLN GLN LYS LEU PRO GLU LYS ASP ILE SEQRES 10 A 186 LEU VAL PHE LYS PHE GLU LYS VAL SER HIS SER ASN ILE SEQRES 11 A 186 HIS VAL TYR LYS LEU LEU TYR CYS GLN HIS ASP GLU GLU SEQRES 12 A 186 ASP VAL LYS CYS ASP GLN TYR ILE GLY ILE HIS ARG ASP SEQRES 13 A 186 ARG ASN GLY ASN ARG ARG LEU VAL VAL THR GLU GLU ASN SEQRES 14 A 186 PRO LEU GLU LEU VAL LEU LEU LYS ALA LYS SER GLU THR SEQRES 15 A 186 ALA SER SER HIS HET NI A 196 1 HET SO4 A 197 5 HETNAM NI NICKEL (II) ION HETNAM SO4 SULFATE ION FORMUL 2 NI NI 2+ FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *217(H2 O) HELIX 1 1 ILE A 27 GLY A 31 5 5 HELIX 2 2 PRO A 113 LEU A 118 1 6 SHEET 1 A11 ILE A 34 ALA A 37 0 SHEET 2 A11 THR A 47 ARG A 50 -1 O VAL A 49 N GLU A 35 SHEET 3 A11 ARG A 161 VAL A 165 -1 O LEU A 163 N VAL A 48 SHEET 4 A11 LYS A 146 ARG A 155 -1 N GLY A 152 O VAL A 164 SHEET 5 A11 TYR A 133 GLN A 139 -1 N TYR A 137 O GLN A 149 SHEET 6 A11 GLU A 172 LYS A 177 -1 O LEU A 173 N TYR A 133 SHEET 7 A11 THR A 20 LEU A 24 -1 N TYR A 22 O LEU A 176 SHEET 8 A11 ILE A 61 SER A 65 -1 O ILE A 61 N TYR A 21 SHEET 9 A11 VAL A 78 PHE A 82 -1 O GLY A 81 N ARG A 62 SHEET 10 A11 PHE A 120 LYS A 124 -1 O PHE A 120 N VAL A 78 SHEET 11 A11 TYR A 133 GLN A 139 -1 O LYS A 134 N GLU A 123 SHEET 1 B 2 THR A 95 VAL A 97 0 SHEET 2 B 2 ALA A 104 LYS A 106 -1 O ALA A 104 N VAL A 97 SSBOND 1 CYS A 44 CYS A 88 1555 1555 2.03 SSBOND 2 CYS A 138 CYS A 147 1555 1555 2.03 LINK ND1 HIS A 26 NI NI A 196 1555 1555 2.36 LINK NE2 HIS A 127 NI NI A 196 12555 1555 2.35 LINK OE2 GLU A 172 NI NI A 196 1555 1555 1.93 SITE 1 AC1 4 HIS A 26 HIS A 127 GLU A 172 HOH A 230 SITE 1 AC2 5 HIS A 26 SER A 128 ASN A 129 ILE A 130 SITE 2 AC2 5 HOH A 243 CRYST1 60.393 60.393 212.180 90.00 90.00 120.00 P 61 2 2 12 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 0.016558 0.009560 0.000000 0.00000 SCALE2 0.000000 0.019120 0.000000 0.00000 SCALE3 0.000000 0.000000 0.004713 0.00000