HEADER HYDROLASE/HYDROLASE INHIBITOR 21-JUL-99 1C2K TITLE RECRUITING ZINC TO MEDIATE POTENT, SPECIFIC INHIBITION OF SERINE TITLE 2 PROTEASES COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.4; COMPND 5 OTHER_DETAILS: COMPLEXED WITH 5-AMIDINO-BENZIMIDAZOLE SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS ZN(II)-MEDIATED SERINE PROTEASE INHIBITORS, PH DEPENDENCE, ZN(II) KEYWDS 2 AFFINITY STUCTURE-BASED DRUG DESIGN, SERINE PROTEASE/INHIBITOR, KEYWDS 3 HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.A.KATZ,C.LUONG REVDAT 7 16-OCT-24 1C2K 1 REMARK REVDAT 6 27-DEC-23 1C2K 1 REMARK LINK REVDAT 5 04-OCT-17 1C2K 1 REMARK REVDAT 4 02-MAR-10 1C2K 1 REMARK HETATM REVDAT 3 24-FEB-09 1C2K 1 VERSN REVDAT 2 26-SEP-01 1C2K 3 ATOM REVDAT 1 26-JUL-00 1C2K 0 JRNL AUTH B.A.KATZ,J.M.CLARK,J.S.FINER-MOORE,T.E.JENKINS,C.R.JOHNSON, JRNL AUTH 2 M.J.ROSS,C.LUONG,W.R.MOORE,R.M.STROUD JRNL TITL DESIGN OF POTENT SELECTIVE ZINC-MEDIATED SERINE PROTEASE JRNL TITL 2 INHIBITORS. JRNL REF NATURE V. 391 608 1998 JRNL REFN ISSN 0028-0836 JRNL PMID 9468142 JRNL DOI 10.1038/35422 REMARK 2 REMARK 2 RESOLUTION. 1.65 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 7.50 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 68.0 REMARK 3 NUMBER OF REFLECTIONS : 15836 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : X-PLOR REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.202 REMARK 3 FREE R VALUE : 0.243 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1599 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 : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.65 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.72 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 32.80 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 838 REMARK 3 BIN R VALUE (WORKING SET) : 0.4100 REMARK 3 BIN FREE R VALUE : 0.4580 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 96 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 : 16 REMARK 3 SOLVENT ATOMS : 188 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) : 0.018 REMARK 3 BOND ANGLES (DEGREES) : 3.900 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.500 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 : PARMALLH3X_KBZN385.PRO REMARK 3 PARAMETER FILE 2 : PARAM11_UCSF.WAT REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPALLH6X_KBZN385.PRO REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT TERMS INCLUDED IN FOB FILE REMARK 3 CREATED WITH STANDARD X-PLOR SCRIPT. REMARK 4 REMARK 4 1C2K COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-JUL-99. REMARK 100 THE DEPOSITION ID IS D_1000001257. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-JAN-97 REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 3.85 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 : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MSC MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV++ REMARK 200 INTENSITY-INTEGRATION SOFTWARE : BIOTEX (MSC) REMARK 200 DATA SCALING SOFTWARE : BIOTEX REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17380 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.450 REMARK 200 RESOLUTION RANGE LOW (A) : 43.580 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.200 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 68.0 REMARK 200 DATA REDUNDANCY : 2.900 REMARK 200 R MERGE (I) : 0.08200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.4000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.65 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.72 REMARK 200 COMPLETENESS FOR SHELL (%) : 32.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.27000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: DIFFERENCE FOURIER PLUS REMARK 200 REFINEMENT 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 (%): 18.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.03 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: BATCH, 1.51 M MGSO4 . 7 H2O, 0.59 MM REMARK 280 TRYPSIN, 1.0 MM ZN(II) 5.0 % DMSO: CRYSTALLIZATION SOLUTION WAS REMARK 280 SATURATED IN KETO-BABIM. CRYSTAL WAS TRANSFERRED TO SYNTHETIC REMARK 280 MOTHER LIQUOR CONTAINING 2.11 M ZN(II), PH 3.85 AND SOAKED FOR REMARK 280 SEVERAL DAYS WITH SEVERAL REPLACEMENTS OF SOAKING SOLUTIONS. THE REMARK 280 SOLUTION WAS SATURATED IN KETO-BABIM AND CONTAINED 2.0 % DMSO TO REMARK 280 INCREASE INHIBITOR SOLUBILITY. UNDER THIS CONDITION KETO-BABIM REMARK 280 UNDERGOES DECOMPOSITION TO 5- AMIDINO-BENZIMIDAZOLE. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 36.31000 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 72.62000 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 72.62000 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 36.31000 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 400 REMARK 400 COMPOUND REMARK 400 HIS91 IS MONOPROTONATED ON THE EPSILON NITROGEN. REMARK 400 HIS40 IS ESENTIALLY ALL MONOPROTONATED ON ND1, REMARK 400 COORDINATING ZN+2 THROUGH NE2. REMARK 400 HIS57 HAS A MONOPROTONATED COMPONENT (ON ND1), REMARK 400 COORDINATING ZN+2 THROUGH NE2, AND DIPROTONATED COMPONENT REMARK 400 (NOT RESOLVED). 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 49 H2 HOH A 286 1.53 REMARK 500 OE1 GLN A 210 H1 HOH A 301 1.56 REMARK 500 O GLN A 210 H2 HOH A 281 1.57 REMARK 500 O THR A 144 H2 HOH A 316 1.59 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 HIS A 91 NE2 HIS A 91 CD2 -0.083 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 TRP A 51 CG - CD1 - NE1 ANGL. DEV. = -7.6 DEGREES REMARK 500 TRP A 51 CD1 - NE1 - CE2 ANGL. DEV. = 9.7 DEGREES REMARK 500 TRP A 51 NE1 - CE2 - CZ2 ANGL. DEV. = 7.3 DEGREES REMARK 500 TRP A 141 CG - CD1 - NE1 ANGL. DEV. = -8.0 DEGREES REMARK 500 TRP A 141 CD1 - NE1 - CE2 ANGL. DEV. = 8.6 DEGREES REMARK 500 TRP A 141 NE1 - CE2 - CZ2 ANGL. DEV. = 9.5 DEGREES REMARK 500 TRP A 141 NE1 - CE2 - CD2 ANGL. DEV. = -6.1 DEGREES REMARK 500 TRP A 215 CG - CD1 - NE1 ANGL. DEV. = -6.8 DEGREES REMARK 500 TRP A 215 CD1 - NE1 - CE2 ANGL. DEV. = 8.2 DEGREES REMARK 500 TRP A 215 NE1 - CE2 - CZ2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP A 237 CG - CD1 - NE1 ANGL. DEV. = -7.4 DEGREES REMARK 500 TRP A 237 CD1 - NE1 - CE2 ANGL. DEV. = 8.5 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 ASN A 25 55.24 28.83 REMARK 500 ASP A 71 -61.60 -127.53 REMARK 500 ASN A 115 -158.00 -151.81 REMARK 500 ASP A 189 170.21 179.45 REMARK 500 ASP A 194 -6.05 -57.60 REMARK 500 SER A 214 -59.62 -124.02 REMARK 500 ALA A 221A 36.10 26.38 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 66 0.15 SIDE CHAIN 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 ZN A 261 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 HIS A 40 NE2 REMARK 620 2 GLY A 193 O 129.4 REMARK 620 3 CL A 250 CL 96.0 106.4 REMARK 620 N 1 2 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA A 247 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE2 REMARK 620 2 ASN A 72 O 77.9 REMARK 620 3 VAL A 75 O 153.1 79.7 REMARK 620 4 GLU A 80 OE2 100.9 172.7 103.1 REMARK 620 5 HOH A 271 O 79.4 97.2 88.9 89.5 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 ZN A 258 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 SER A 195 OG REMARK 620 2 ABI A 246 N3 101.5 REMARK 620 N 1 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 247 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CL A 250 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 258 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 261 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ABI A 246 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1C2D RELATED DB: PDB REMARK 900 RELATED ID: 1C2F RELATED DB: PDB REMARK 900 RELATED ID: 1C2G RELATED DB: PDB REMARK 900 RELATED ID: 1C2H RELATED DB: PDB REMARK 900 RELATED ID: 1C2I RELATED DB: PDB REMARK 900 RELATED ID: 1C2L RELATED DB: PDB REMARK 900 RELATED ID: 1C2M RELATED DB: PDB REMARK 900 RELATED ID: 1C1N RELATED DB: PDB REMARK 900 RELATED ID: 1C1O RELATED DB: PDB REMARK 900 RELATED ID: 1C1P RELATED DB: PDB REMARK 900 RELATED ID: 1C1Q RELATED DB: PDB REMARK 900 RELATED ID: 1C1R RELATED DB: PDB REMARK 900 RELATED ID: 1C1S RELATED DB: PDB REMARK 900 RELATED ID: 1C1T RELATED DB: PDB REMARK 900 RELATED ID: 1C1U RELATED DB: PDB REMARK 900 RELATED ID: 1C1V RELATED DB: PDB REMARK 900 RELATED ID: 1C1W RELATED DB: PDB REMARK 900 RELATED ID: 1C2J RELATED DB: PDB DBREF 1C2K A 16 245 UNP P00760 TRY1_BOVIN 21 243 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 HET CA A 247 1 HET CL A 250 1 HET ZN A 258 1 HET ZN A 261 1 HET ABI A 246 21 HETNAM CA CALCIUM ION HETNAM CL CHLORIDE ION HETNAM ZN ZINC ION HETNAM ABI 5-AMIDINO-BENZIMIDAZOLE FORMUL 2 CA CA 2+ FORMUL 3 CL CL 1- FORMUL 4 ZN 2(ZN 2+) FORMUL 6 ABI C8 H9 N4 1+ FORMUL 7 HOH *188(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 SHEET 1 A 7 TYR A 20 THR A 21 0 SHEET 2 A 7 LYS A 156 PRO A 161 -1 N CYS A 157 O TYR A 20 SHEET 3 A 7 GLN A 135 GLY A 140 -1 N CYS A 136 O ALA 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 LYS A 204 TRP A 215 -1 N LYS A 204 O 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 ASN A 48 -1 N PHE A 41 O LEU A 33 SHEET 3 B 7 GLN A 30 ASN A 34 -1 N VAL A 31 O GLY A 44 SHEET 4 B 7 GLN A 64 LEU A 67 -1 O GLN A 64 N ASN A 34 SHEET 5 B 7 GLN A 81 VAL A 90 -1 O GLN A 81 N LEU A 67 SHEET 6 B 7 MET A 104 LEU A 108 -1 N LEU A 105 O ILE A 89 SHEET 7 B 7 TRP A 51 SER A 54 -1 O VAL A 52 N ILE A 106 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.02 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.05 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.04 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.01 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.00 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.02 LINK NE2 HIS A 40 ZN ZN A 261 1555 1555 2.43 LINK OE2 GLU A 70 CA CA A 247 1555 1555 2.25 LINK O ASN A 72 CA CA A 247 1555 1555 2.67 LINK O VAL A 75 CA CA A 247 1555 1555 2.16 LINK OE2 GLU A 80 CA CA A 247 1555 1555 2.19 LINK O GLY A 193 ZN ZN A 261 1555 1555 2.12 LINK OG SER A 195 ZN ZN A 258 1555 1555 2.13 LINK N3 ABI A 246 ZN ZN A 258 1555 1555 2.42 LINK CA CA A 247 O HOH A 271 1555 1555 2.51 LINK CL CL A 250 ZN ZN A 261 1555 1555 2.28 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 VAL A 76 SITE 2 AC1 6 GLU A 80 HOH A 271 SITE 1 AC2 6 HIS A 40 GLY A 140 TRP A 141 GLY A 193 SITE 2 AC2 6 ASP A 194 ZN A 261 SITE 1 AC3 3 HIS A 57 SER A 195 ABI A 246 SITE 1 AC4 4 HIS A 40 GLY A 193 ASP A 194 CL A 250 SITE 1 AC5 13 ASP A 189 SER A 190 GLN A 192 SER A 195 SITE 2 AC5 13 TRP A 215 GLY A 216 GLY A 219 CYS A 220 SITE 3 AC5 13 GLY A 226 ZN A 258 HOH A 260 HOH A 325 SITE 4 AC5 13 HOH A 378 CRYST1 54.910 54.910 108.930 90.00 90.00 120.00 P 31 2 1 6 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 0.018212 0.010514 0.000000 0.00000 SCALE2 0.000000 0.021029 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009180 0.00000