PDB Short entry for 1AB9 HEADER COMPLEX (SERINE PROTEASE/PEPTIDE) 05-FEB-97 1AB9 TITLE CRYSTAL STRUCTURE OF BOVINE GAMMA-CHYMOTRYPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: GAMMA-CHYMOTRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.1; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: GAMMA-CHYMOTRYPSIN; COMPND 7 CHAIN: B; COMPND 8 EC: 3.4.21.1; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: GAMMA-CHYMOTRYPSIN; COMPND 11 CHAIN: C; COMPND 12 EC: 3.4.21.1; COMPND 13 MOL_ID: 4; COMPND 14 MOLECULE: PENTAPEPTIDE (TPGVY); COMPND 15 CHAIN: D; COMPND 16 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 7 ORGANISM_COMMON: CATTLE; SOURCE 8 ORGANISM_TAXID: 9913; SOURCE 9 MOL_ID: 3; SOURCE 10 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 11 ORGANISM_COMMON: CATTLE; SOURCE 12 ORGANISM_TAXID: 9913; SOURCE 13 MOL_ID: 4 KEYWDS HYDROLASE, SERINE PROTEASE, DIGESTION, PANCREAS, ZYMOGEN, COMPLEX KEYWDS 2 (SERINE PROTEASE-PEPTIDE), COMPLEX (SERINE PROTEASE-PEPTIDE) COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.SUGIO,A.KASHIMA,Y.INOUE,I.MAEDA,T.NOSE,Y.SHIMOHIGASHI REVDAT 3 02-AUG-23 1AB9 1 REMARK LINK REVDAT 2 24-FEB-09 1AB9 1 VERSN REVDAT 1 20-AUG-97 1AB9 0 JRNL AUTH A.KASHIMA,Y.INOUE,S.SUGIO,I.MAEDA,T.NOSE,Y.SHIMOHIGASHI JRNL TITL X-RAY CRYSTAL STRUCTURE OF A DIPEPTIDE-CHYMOTRYPSIN COMPLEX JRNL TITL 2 IN AN INHIBITORY INTERACTION. JRNL REF EUR.J.BIOCHEM. V. 255 12 1998 JRNL REFN ISSN 0014-2956 JRNL PMID 9692896 JRNL DOI 10.1046/J.1432-1327.1998.2550012.X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.HAREL,C.T.SU,F.FROLOW,I.SILMAN,J.L.SUSSMAN REMARK 1 TITL GAMMA-CHYMOTRYPSIN IS A COMPLEX OF ALPHA-CHYMOTRYPSIN WITH REMARK 1 TITL 2 ITS OWN AUTOLYSIS PRODUCTS REMARK 1 REF BIOCHEMISTRY V. 30 5217 1991 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH M.M.DIXON,R.G.BRENNAN,B.W.MATTHEWS REMARK 1 TITL STRUCTURE OF GAMMA-CHYMOTRYPSIN IN THE RANGE PH 2.0 TO PH REMARK 1 TITL 2 10.5 SUGGESTS THAT GAMMA-CHYMOTRYPSIN IS A COVALENT REMARK 1 TITL 3 ACYL-ENZYME ADDUCT AT LOW PH REMARK 1 REF INT.J.BIOL.MACROMOL. V. 13 89 1991 REMARK 1 REFN ISSN 0141-8130 REMARK 1 REFERENCE 3 REMARK 1 AUTH M.M.DIXON,B.W.MATTHEWS REMARK 1 TITL IS GAMMA-CHYMOTRYPSIN A TETRAPEPTIDE ACYL-ENZYME ADDUCT OF REMARK 1 TITL 2 ALPHA-CHYMOTRYPSIN? REMARK 1 REF BIOCHEMISTRY V. 28 7033 1989 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 1.60 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) : 1.60 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 5.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.1000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.3 REMARK 3 NUMBER OF REFLECTIONS : 30329 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : POSTERIORI REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.191 REMARK 3 FREE R VALUE : 0.190 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.000 REMARK 3 FREE R VALUE TEST SET COUNT : 2496 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.60 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.66 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 93.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2630 REMARK 3 BIN R VALUE (WORKING SET) : 0.2850 REMARK 3 BIN FREE R VALUE : 0.2630 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 243 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.017 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1782 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 127 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 21.20 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) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : NULL 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) : 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) : 1.420 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.260 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) : 1.500 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.000 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 2.000 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.500 ; 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM.PAR REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPOL.TOP REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE FOLLOWING WEIGHTING SCHEME WAS USED: 1/(SIGMAF)**2 REMARK 3 REMARK 3 SIDE CHAINS OF VAL B 53 AND GLN C 239 HAVE ALTERNATE REMARK 3 CONFORMATIONS. THE OCCUPANCIES OF THE CORRESPONDING ATOMS REMARK 3 WERE SET TO 0.5. REMARK 4 REMARK 4 1AB9 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_1000170615. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 24-OCT-95 REMARK 200 TEMPERATURE (KELVIN) : 292 REMARK 200 PH : 5.6 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : YALE MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROCESS, CONTROL REMARK 200 DATA SCALING SOFTWARE : PROCESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 31740 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.600 REMARK 200 RESOLUTION RANGE LOW (A) : 69.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 1.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.8 REMARK 200 DATA REDUNDANCY : 10.30 REMARK 200 R MERGE (I) : 0.05500 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 15.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.65 REMARK 200 COMPLETENESS FOR SHELL (%) : 94.7 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : 0.20800 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1GCT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.28 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: ALPHA-CHYMOTRYPSIN WAS DISSOLVED IN REMARK 280 POTASSIUM BORATE (PH8.6) AND WAS INCUBATED AT 310K FOR 6 HOURS. REMARK 280 SOLID AMMONIUM SULFATE WAS ADDED TO THE SOLUTION, AND THE REMARK 280 PRECIPITATE FORMED WAS RECOVERED AND RE-DISSOLVED WITH WATER. REMARK 280 CRYSTALLIZATION WAS DONE WITH A SITTING-DROP VAPOR-DIFFUSION REMARK 280 PROCEDURE, IN WHICH PROTEIN SOLUTION (15MG/ML) CONTAINING 10MM REMARK 280 CACODYLATE, 0.75% SATURATED ACETYLTRIMETHYL AMMONIUM AND 45% REMARK 280 SATURATED AMMONIUM SULFATE WAS EQUILIBRATED AGAINST 65% REMARK 280 SATURATED AMMONIUM SULFATE AT 293K., PH 5.6, VAPOR DIFFUSION - REMARK 280 SITTING DROP, VAPOR DIFFUSION, SITTING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 42 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 -Y+1/2,X+1/2,Z+1/2 REMARK 290 4555 Y+1/2,-X+1/2,Z+1/2 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 6555 X+1/2,-Y+1/2,-Z+1/2 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.000000 -1.000000 0.000000 34.76000 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 34.76000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 48.90500 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 34.76000 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 34.76000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 48.90500 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 34.76000 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 34.76000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 48.90500 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 34.76000 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 34.76000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 48.90500 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2, 3 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 7950 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10230 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -76.0 KCAL/MOL 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 18470 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17880 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -175.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 69.52000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 REMARK 350 BIOMOLECULE: 3 REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 17130 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19230 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -160.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 1 -1.000000 0.000000 0.000000 34.76000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 -34.76000 REMARK 350 BIOMT3 1 0.000000 0.000000 -1.000000 48.90500 REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 34.76000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 34.76000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 48.90500 REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, D REMARK 350 BIOMT1 3 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 3 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 -1.000000 0.000000 0.000000 69.52000 REMARK 350 BIOMT2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 4 0.000000 0.000000 1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH B 607 LIES ON A SPECIAL POSITION. REMARK 375 HOH B 608 LIES ON A SPECIAL POSITION. REMARK 400 REMARK 400 COMPOUND REMARK 400 THE BOUND PENTAPEPTIDE (THR D 300 TO TYR D 304) HAVE TWO REMARK 400 DIFFERENT CONFORMATIONS. THE OCCUPANCIES OF ALL THE ATOMS REMARK 400 IN THE PEPTIDE WERE SET TO 0.5. 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 SER A 11 REMARK 465 GLY A 12 REMARK 465 LEU A 13 REMARK 465 ALA C 149 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 B 79 CG CD CE NZ REMARK 480 LYS B 82 CD CE NZ REMARK 480 LYS B 84 CG CD CE NZ REMARK 480 LYS B 87 CG CD CE NZ REMARK 480 LYS B 93 CD CE NZ REMARK 480 GLN B 116 CD OE1 NE2 REMARK 480 ASP B 129 CG OD1 OD2 REMARK 480 ARG B 145 CG CD NE CZ NH1 NH2 REMARK 480 ASN C 150 N CA CB CG OD1 ND2 REMARK 480 ARG C 154 NE CZ NH1 NH2 REMARK 480 LYS C 170 CG CD CE NZ REMARK 480 LYS C 175 NZ REMARK 480 LYS C 202 NZ REMARK 480 LYS C 203 CD CE NZ REMARK 480 THR D 300 OG1 CG2 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 TYR D 304 CE2 TYR D 304 CD2 -0.093 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 PHE B 71 -55.43 -125.82 REMARK 500 SER C 214 -70.37 -119.39 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC TRIAD. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 401 DBREF 1AB9 A 1 13 UNP P00766 CTRA_BOVIN 1 13 DBREF 1AB9 B 16 146 UNP P00766 CTRA_BOVIN 16 146 DBREF 1AB9 C 149 245 UNP P00766 CTRA_BOVIN 149 245 DBREF 1AB9 D 300 304 PDB 1AB9 1AB9 300 304 SEQRES 1 A 13 CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU SEQRES 1 B 131 ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER TRP PRO SEQRES 2 B 131 TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE HIS PHE SEQRES 3 B 131 CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL VAL THR SEQRES 4 B 131 ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL VAL VAL SEQRES 5 B 131 ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU LYS ILE SEQRES 6 B 131 GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN SER LYS SEQRES 7 B 131 TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR LEU LEU SEQRES 8 B 131 LYS LEU SER THR ALA ALA SER PHE SER GLN THR VAL SER SEQRES 9 B 131 ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE ALA ALA SEQRES 10 B 131 GLY THR THR CYS VAL THR THR GLY TRP GLY LEU THR ARG SEQRES 11 B 131 TYR SEQRES 1 C 97 ALA ASN THR PRO ASP ARG LEU GLN GLN ALA SER LEU PRO SEQRES 2 C 97 LEU LEU SER ASN THR ASN CYS LYS LYS TYR TRP GLY THR SEQRES 3 C 97 LYS ILE LYS ASP ALA MET ILE CYS ALA GLY ALA SER GLY SEQRES 4 C 97 VAL SER SER CYS MET GLY ASP SER GLY GLY PRO LEU VAL SEQRES 5 C 97 CYS LYS LYS ASN GLY ALA TRP THR LEU VAL GLY ILE VAL SEQRES 6 C 97 SER TRP GLY SER SER THR CYS SER THR SER THR PRO GLY SEQRES 7 C 97 VAL TYR ALA ARG VAL THR ALA LEU VAL ASN TRP VAL GLN SEQRES 8 C 97 GLN THR LEU ALA ALA ASN SEQRES 1 D 5 THR PRO GLY VAL TYR HET SO4 B 401 5 HETNAM SO4 SULFATE ION FORMUL 5 SO4 O4 S 2- FORMUL 6 HOH *127(H2 O) HELIX 1 1 ALA B 56 CYS B 58 5 3 HELIX 2 2 ASN C 165 LYS C 175 1 11 HELIX 3 3 VAL C 231 ALA C 233 5 3 HELIX 4 4 VAL C 235 ALA C 244 1 10 SHEET 1 A 7 GLN B 81 LYS B 84 0 SHEET 2 A 7 VAL B 65 ALA B 68 -1 N ALA B 68 O GLN B 81 SHEET 3 A 7 GLN B 30 GLN B 34 -1 N GLN B 34 O VAL B 65 SHEET 4 A 7 HIS B 40 ASN B 48 -1 N GLY B 44 O VAL B 31 SHEET 5 A 7 TRP B 51 THR B 54 -1 N VAL B 53 O SER B 45 SHEET 6 A 7 THR B 104 LEU B 108 -1 N LEU B 106 O VAL B 52 SHEET 7 A 7 ILE B 85 LYS B 90 -1 N PHE B 89 O LEU B 105 SHEET 1 B 2 THR B 135 GLY B 140 0 SHEET 2 B 2 GLN C 156 PRO C 161 -1 N LEU C 160 O CYS B 136 SHEET 1 C 4 MET C 180 GLY C 184 0 SHEET 2 C 4 PRO C 225 ARG C 230 -1 N TYR C 228 O ILE C 181 SHEET 3 C 4 GLY C 211 SER C 217 -1 N TRP C 215 O VAL C 227 SHEET 4 C 4 PRO D 301 VAL D 303 -1 N GLY D 302 O GLY C 216 SHEET 1 D 2 PRO C 198 LYS C 203 0 SHEET 2 D 2 ALA C 206 ILE C 212 -1 N GLY C 211 O LEU C 199 SSBOND 1 CYS A 1 CYS B 122 1555 1555 2.03 SSBOND 2 CYS B 42 CYS B 58 1555 1555 2.03 SSBOND 3 CYS B 136 CYS C 201 1555 1555 2.04 SSBOND 4 CYS C 168 CYS C 182 1555 1555 2.02 SSBOND 5 CYS C 191 CYS C 220 1555 1555 2.03 LINK OG SER C 195 C ATYR D 304 1555 1555 1.55 LINK OG SER C 195 C BTYR D 304 1555 1555 1.44 SITE 1 CAT 3 HIS B 57 ASP B 102 SER C 195 SITE 1 AC1 6 LYS B 36 SER B 92 HOH B 563 HOH B 576 SITE 2 AC1 6 HOH B 621 TRP C 237 CRYST1 69.520 69.520 97.810 90.00 90.00 90.00 P 42 21 2 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 0.014384 0.000000 0.000000 0.00000 SCALE2 0.000000 0.014384 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010224 0.00000