PDB Short entry for 1XUG HEADER SERINE PROTEASE 10-OCT-97 1XUG TITLE TRYPSIN-BABIM-ZN+2, PH 8.2 COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.4; COMPND 5 OTHER_DETAILS: TRYPSIN/ZN+2/SMALL MOLECULE LIGAND COMPLEX SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913 KEYWDS COMPLEX, TRYPSIN-ZN+2-SMALL MOLECULE LIGAND, DESIGNED SMALL KEYWDS 2 MOLECULE LIGAND WITH NANOMOLAR AFFINITY, SERINE PROTEASE EXPDTA X-RAY DIFFRACTION AUTHOR B.A.KATZ,J.M.CLARK,J.S.FINER-MOORE,T.E.JENKINS,C.R.JOHNSON, AUTHOR 2 M.J.ROSE,C.LUONG,W.R.MOORE,R.M.STROUD REVDAT 2 24-FEB-09 1XUG 1 VERSN REVDAT 1 16-DEC-98 1XUG 0 JRNL AUTH B.A.KATZ,J.M.CLARK,J.S.FINER-MOORE,T.E.JENKINS, JRNL AUTH 2 C.R.JOHNSON,M.J.ROSS,C.LUONG,W.R.MOORE,R.M.STROUD JRNL TITL DESIGN OF POTENT SELECTIVE ZINC-MEDIATED SERINE JRNL TITL 2 PROTEASE INHIBITORS. JRNL REF NATURE V. 391 608 1998 JRNL REFN ISSN 0028-0836 JRNL PMID 9468142 JRNL DOI 10.1038/35422 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 33189 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 SET) : 0.206 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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 : 3376 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 45 REMARK 3 SOLVENT ATOMS : 714 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) : 0.017 REMARK 3 BOND ANGLES (DEGREES) : 3.80 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : 26.10 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 : BAB82B_PARMALLH3X.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1XUG COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. 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 : 8.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL 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 : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : BIOTEX (MSC) REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 37542 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.340 REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 73.6 REMARK 200 DATA REDUNDANCY : 2.600 REMARK 200 R MERGE (I) : 0.08800 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) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.57 REMARK 200 COMPLETENESS FOR SHELL (%) : 46.8 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: REJECTION CRITERIA: (I(H)I - <I(H)I>) > [0.30 * (< REMARK 200 GLOBAL I>) + 0.10*I(H)I], WHERE I(H)I IS THE ITH OBSERVATION REMARK 200 OF THE INTENSITY OF REFLECTION H (M.G.ROSSMANN, A.G.W.LESLIE, REMARK 200 S.S.ABDEL-MEGUID, T.TSUKIHARA, J.APPL.CRYST. 12, 570 - 581). REMARK 200 THIS REJECTION CRITERION IS THE DEFAULT OF THE MSC PROGRAM REMARK 200 BIOTEX. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 34.60 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.99 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: SYNTHETIC MOTHER LIQUOR = 75% REMARK 280 SATURATED MAGNESIUM SULFATE, 25 % 1.0 M TRIS ADJUSTED TO PH REMARK 280 8.2; SATURATED IN BABIM, 5.0 MM ZN+2. COMPLEX PRODUCED BY REMARK 280 SOAKING TRYPSIN-BENZAMIDINE CO-CRYSTAL. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 31.86000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 34.48500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 31.75000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 34.48500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 31.86000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 31.75000 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 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 109 NZ REMARK 480 LYS A 188A NZ 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 40 NE2 HIS A 40 CD2 -0.079 REMARK 500 HIS A 91 NE2 HIS A 91 CD2 -0.085 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. = -7.1 DEGREES REMARK 500 TRP A 51 CD1 - NE1 - CE2 ANGL. DEV. = 9.1 DEGREES REMARK 500 TRP A 51 NE1 - CE2 - CZ2 ANGL. DEV. = 8.8 DEGREES REMARK 500 TRP A 51 NE1 - CE2 - CD2 ANGL. DEV. = -6.8 DEGREES REMARK 500 TRP A 141 CG - CD1 - NE1 ANGL. DEV. = -7.2 DEGREES REMARK 500 TRP A 141 CD1 - NE1 - CE2 ANGL. DEV. = 8.7 DEGREES REMARK 500 TRP A 141 NE1 - CE2 - CZ2 ANGL. DEV. = 7.6 DEGREES REMARK 500 VAL A 199 N - CA - C ANGL. DEV. = -17.6 DEGREES REMARK 500 TRP A 215 CG - CD1 - NE1 ANGL. DEV. = -6.0 DEGREES REMARK 500 TRP A 215 CD1 - NE1 - CE2 ANGL. DEV. = 7.3 DEGREES REMARK 500 TRP A 215 NE1 - CE2 - CZ2 ANGL. DEV. = 7.9 DEGREES REMARK 500 TRP A 237 CG - CD1 - NE1 ANGL. DEV. = -7.3 DEGREES REMARK 500 TRP A 237 CD1 - NE1 - CE2 ANGL. DEV. = 8.5 DEGREES REMARK 500 TRP A 237 NE1 - CE2 - CZ2 ANGL. DEV. = 9.4 DEGREES REMARK 500 TRP A 237 NE1 - CE2 - CD2 ANGL. DEV. = -6.4 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 ASP A 71 -76.59 -139.79 REMARK 500 ASN A 79 -7.15 87.88 REMARK 500 ASN A 115 -159.44 -155.21 REMARK 500 ASN A 223 15.56 52.82 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 117 0.08 SIDE_CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 361 DISTANCE = 9.25 ANGSTROMS REMARK 525 HOH A 365 DISTANCE = 10.77 ANGSTROMS REMARK 525 HOH A 383 DISTANCE = 7.42 ANGSTROMS REMARK 525 HOH A 384 DISTANCE = 5.31 ANGSTROMS REMARK 525 HOH A 389 DISTANCE = 19.21 ANGSTROMS REMARK 525 HOH A 391 DISTANCE = 15.48 ANGSTROMS REMARK 525 HOH A 397 DISTANCE = 10.35 ANGSTROMS REMARK 525 HOH A 410 DISTANCE = 8.99 ANGSTROMS REMARK 525 HOH A 421 DISTANCE = 15.00 ANGSTROMS REMARK 525 HOH A 430 DISTANCE = 12.72 ANGSTROMS REMARK 525 HOH A 431 DISTANCE = 6.76 ANGSTROMS REMARK 525 HOH A 434 DISTANCE = 8.49 ANGSTROMS REMARK 525 HOH A 448 DISTANCE = 14.31 ANGSTROMS REMARK 525 HOH A 450 DISTANCE = 11.60 ANGSTROMS REMARK 525 HOH A 489 DISTANCE = 16.86 ANGSTROMS REMARK 525 HOH A 497 DISTANCE = 5.66 ANGSTROMS REMARK 525 HOH A 502 DISTANCE = 11.19 ANGSTROMS REMARK 525 HOH A 504 DISTANCE = 10.61 ANGSTROMS REMARK 525 HOH A 508 DISTANCE = 15.18 ANGSTROMS REMARK 525 HOH A 539 DISTANCE = 6.41 ANGSTROMS REMARK 525 HOH A 547 DISTANCE = 11.51 ANGSTROMS REMARK 525 HOH A 557 DISTANCE = 7.94 ANGSTROMS REMARK 525 HOH A 558 DISTANCE = 6.92 ANGSTROMS REMARK 525 HOH A 559 DISTANCE = 12.99 ANGSTROMS REMARK 525 HOH A 564 DISTANCE = 6.75 ANGSTROMS REMARK 525 HOH A 568 DISTANCE = 5.23 ANGSTROMS REMARK 525 HOH A 570 DISTANCE = 7.72 ANGSTROMS REMARK 525 HOH A 610 DISTANCE = 6.70 ANGSTROMS REMARK 525 HOH A 623 DISTANCE = 20.11 ANGSTROMS REMARK 525 HOH A 633 DISTANCE = 9.54 ANGSTROMS REMARK 525 HOH A 642 DISTANCE = 5.27 ANGSTROMS REMARK 525 HOH A 646 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH A 650 DISTANCE = 15.24 ANGSTROMS REMARK 525 HOH A 651 DISTANCE = 11.67 ANGSTROMS REMARK 525 HOH A 656 DISTANCE = 13.98 ANGSTROMS REMARK 525 HOH A 657 DISTANCE = 6.27 ANGSTROMS REMARK 525 HOH A 662 DISTANCE = 18.57 ANGSTROMS REMARK 525 HOH A 663 DISTANCE = 12.64 ANGSTROMS REMARK 525 HOH A 666 DISTANCE = 18.63 ANGSTROMS 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 409 ZN REMARK 620 N RES CSSEQI ATOM REMARK 620 1 BAB A 246 N3 REMARK 620 2 SER A 195 OG 114.1 REMARK 620 3 HIS A 57 NE2 133.1 104.9 REMARK 620 4 BAB A 246 N3' 83.5 103.6 112.2 REMARK 620 N 1 2 3 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 OE1 REMARK 620 2 ASN A 72 O 90.3 REMARK 620 3 VAL A 75 O 168.0 89.5 REMARK 620 4 HOH A 560 O 87.3 85.7 104.7 REMARK 620 5 HOH A 248 O 82.4 102.6 85.9 166.7 REMARK 620 6 GLU A 80 OE2 93.6 160.0 90.6 74.9 97.3 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 247 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 409 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BAB A 246 DBREF 1XUG 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 ZN A 409 1 HET BAB A 246 43 HETNAM CA CALCIUM ION HETNAM ZN ZINC ION HETNAM BAB BIS(5-AMIDINO-BENZIMIDAZOLYL)METHANE FORMUL 2 CA CA 2+ FORMUL 3 ZN ZN 2+ FORMUL 4 BAB C17 H19 N8 3+ FORMUL 5 HOH *238(H2 O) HELIX 1 1 ALA A 56 CYS A 58 5 3 HELIX 2 2 ASP A 165 ALA A 171 1 7 HELIX 3 3 VAL A 231 ILE A 242 5 12 SHEET 1 A 4 GLN A 81 SER A 84 0 SHEET 2 A 4 GLN A 64 LEU A 67 -1 N LEU A 67 O GLN A 81 SHEET 3 A 4 GLN A 30 ASN A 34 -1 N ASN A 34 O GLN A 64 SHEET 4 A 4 HIS A 40 SER A 45 -1 N GLY A 44 O VAL A 31 SHEET 1 B 3 TRP A 51 SER A 54 0 SHEET 2 B 3 MET A 104 LEU A 108 -1 N ILE A 106 O VAL A 52 SHEET 3 B 3 ALA A 85 VAL A 90 -1 N ILE A 89 O LEU A 105 SHEET 1 C 6 LYS A 156 PRO A 161 0 SHEET 2 C 6 GLN A 135 GLY A 140 -1 N GLY A 140 O LYS A 156 SHEET 3 C 6 PRO A 198 CYS A 201 -1 N VAL A 200 O LEU A 137 SHEET 4 C 6 LYS A 204 TRP A 215 -1 N GLY A 211 O VAL A 199 SHEET 5 C 6 GLY A 226 LYS A 230 -1 N THR A 229 O ILE A 212 SHEET 6 C 6 MET A 180 ALA A 183 -1 N ALA A 183 O GLY A 226 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.02 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.09 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.02 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.02 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 N3 BAB A 246 ZN ZN A 409 1555 1555 2.34 LINK CA CA A 247 OE1 GLU A 70 1555 1555 2.36 LINK CA CA A 247 O ASN A 72 1555 1555 2.20 LINK CA CA A 247 O VAL A 75 1555 1555 2.15 LINK ZN ZN A 409 OG SER A 195 1555 1555 2.37 LINK CA CA A 247 O HOH A 560 1555 1555 2.30 LINK CA CA A 247 O HOH A 248 1555 1555 2.28 LINK CA CA A 247 OE2 GLU A 80 1555 1555 2.42 LINK ZN ZN A 409 NE2 HIS A 57 1555 1555 2.43 LINK ZN ZN A 409 N3' BAB A 246 1555 1555 2.41 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 GLU A 80 SITE 2 AC1 6 HOH A 248 HOH A 560 SITE 1 AC2 3 HIS A 57 SER A 195 BAB A 246 SITE 1 AC3 11 PHE A 41 ASP A 189 SER A 190 GLN A 192 SITE 2 AC3 11 TRP A 215 GLY A 216 GLY A 219 GLY A 226 SITE 3 AC3 11 HOH A 301 ZN A 409 HOH A 666 CRYST1 63.720 63.500 68.970 90.00 90.00 90.00 P 21 21 21 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 0.015694 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015748 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014499 0.00000