PDB Short entry for 2CHA HEADER HYDROLASE (SERINE PROTEINASE) 01-JAN-75 2CHA TITLE THE STRUCTURE OF CRYSTALLINE ALPHA-CHYMOTRYPSIN, $V.THE ATOMIC TITLE 2 STRUCTURE OF TOSYL-ALPHA-CHYMOTRYPSIN AT 2 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CHYMOTRYPSIN A; COMPND 3 CHAIN: A, E; COMPND 4 EC: 3.4.21.1; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: ALPHA-CHYMOTRYPSIN A; COMPND 7 CHAIN: B, F; COMPND 8 EC: 3.4.21.1; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: ALPHA-CHYMOTRYPSIN A; COMPND 11 CHAIN: C, G; COMPND 12 EC: 3.4.21.1 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 KEYWDS HYDROLASE (SERINE PROTEINASE) EXPDTA X-RAY DIFFRACTION AUTHOR J.J.BIRKTOFT,D.M.BLOW REVDAT 15 27-SEP-23 2CHA 1 REMARK SSBOND MTRIX ATOM REVDAT 14 24-AUG-11 2CHA 1 HEADER HET HETATM REMARK REVDAT 13 13-JUL-11 2CHA 1 VERSN REVDAT 12 24-FEB-09 2CHA 1 VERSN REVDAT 11 31-MAY-84 2CHA 1 REMARK REVDAT 10 27-JAN-84 2CHA 1 REMARK REVDAT 9 30-SEP-83 2CHA 1 REVDAT REVDAT 8 19-JUL-82 2CHA 1 REMARK REVDAT 7 14-SEP-81 2CHA 1 REMARK REVDAT 6 31-DEC-80 2CHA 1 REMARK REVDAT 5 07-APR-80 2CHA 3 ATOM REVDAT 4 30-DEC-77 2CHA 1 REMARK REVDAT 3 01-NOV-77 2CHA 1 COMPND SOURCE AUTHOR JRNL REVDAT 3 2 1 REMARK SSBOND REVDAT 2 28-MAR-77 2CHA 2 CONECT REVDAT 1 18-JAN-77 2CHA 0 JRNL AUTH J.J.BIRKTOFT,D.M.BLOW JRNL TITL STRUCTURE OF CRYSTALLINE -CHYMOTRYPSIN. V. THE ATOMIC JRNL TITL 2 STRUCTURE OF TOSYL- -CHYMOTRYPSIN AT 2 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 68 187 1972 JRNL REFN ISSN 0022-2836 JRNL PMID 5069789 JRNL DOI 10.1016/0022-2836(72)90210-0 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH B.W.MATTHEWS,P.B.SIGLER,R.HENDERSON,D.M.BLOW REMARK 1 TITL THREE-DIMENSIONAL STRUCTURE OF TOSYL-ALPHA-CHYMOTRYPSIN REMARK 1 REF NATURE V. 214 652 1967 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 2 REMARK 1 AUTH P.B.SIGLER,D.M.BLOW,B.W.MATTHEWS,R.HENDERSON REMARK 1 TITL STRUCTURE OF CRYSTALLINE ALPHA-CHYMOTRYPSIN, II.A REMARK 1 TITL 2 PRELIMINARY REPORT INCLUDING A HYPOTHESIS FOR THE ACTIVATION REMARK 1 TITL 3 MECHANISM REMARK 1 REF J.MOL.BIOL. V. 35 143 1968 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 3 REMARK 1 AUTH T.A.STEITZ,R.HENDERSON,D.M.BLOW REMARK 1 TITL STRUCTURE OF CRYSTALLINE ALPHA-CHYMOTRYPSIN, REMARK 1 TITL 2 III.CRYSTALLOGRAPHIC STUDIES OF SUBSTRATES AND INHIBITORS REMARK 1 TITL 3 BOUND TO THE ACTIVE SITE OF ALPHA-CHYMOTRYPSIN REMARK 1 REF J.MOL.BIOL. V. 46 337 1969 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 4 REMARK 1 AUTH R.HENDERSON REMARK 1 TITL STRUCTURE OF CRYSTALLINE ALPHA-CHYMOTRYPSIN, IV.THE REMARK 1 TITL 2 STRUCTURE OF INDOLEACRYLOYL-ALPHA-CHYMOTRYPSIN AND ITS REMARK 1 TITL 3 RELEVANCE TO THE HYDROLYTIC MECHANISM OF THE ENZYME REMARK 1 REF J.MOL.BIOL. V. 54 341 1970 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 5 REMARK 1 AUTH D.M.BLOW REMARK 1 TITL STRUCTURE AND MECHANISM OF CHYMOTRYPSIN REMARK 1 REF ACC.CHEM.RES. V. 9 145 1976 REMARK 1 REFN ISSN 0001-4842 REMARK 1 REFERENCE 6 REMARK 1 AUTH B.S.HARTLEY REMARK 1 TITL THE ACTIVE CENTERS OF SERINE PROTEINASES REMARK 1 REF ANN.N.Y.ACAD.SCI. V. 227 438 1974 REMARK 1 REFN ISSN 0077-8923 REMARK 1 REFERENCE 7 REMARK 1 AUTH H.T.WRIGHT REMARK 1 TITL COMPARISON OF THE CRYSTAL STRUCTURES OF CHYMOTRYPSINOGEN-A REMARK 1 TITL 2 AND ALPHA-CHYMOTRYPSIN REMARK 1 REF J.MOL.BIOL. V. 79 1 1973 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 8 REMARK 1 AUTH C.S.WRIGHT,G.P.HESS,D.M.BLOW REMARK 1 TITL STRUCTURE OF CRYSTALLINE METHYL-CHYMOTRYPSIN REMARK 1 REF J.MOL.BIOL. V. 63 295 1972 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 9 REMARK 1 AUTH R.HENDERSON,C.S.WRIGHT,G.P.HESS,D.M.BLOW REMARK 1 TITL ALPHA-CHYMOTRYPSIN,WHAT CAN WE LEARN ABOUT CATALYSIS FROM REMARK 1 TITL 2 X-RAY DIFFRACTION (QUERY). REMARK 1 REF COLD SPRING HARBOR V. 36 63 1972 REMARK 1 REF 2 SYMP.QUANT.BIOL. REMARK 1 REFN ISSN 0091-7451 REMARK 1 REFERENCE 10 REMARK 1 AUTH D.M.BLOW REMARK 1 TITL THE STRUCTURE OF CHYMOTRYPSIN REMARK 1 EDIT P.D.BOYER REMARK 1 REF THE ENZYMES,THIRD EDITION V. 3 185 1971 REMARK 1 PUBL ACADEMIC PRESS,NEW YORK REMARK 1 REFN REMARK 1 REFERENCE 11 REMARK 1 AUTH G.P.HESS REMARK 1 TITL CHYMOTRYPSIN-CHEMICAL PROPERTIES AND CATALYSIS REMARK 1 EDIT P.D.BOYER REMARK 1 REF THE ENZYMES,THIRD EDITION V. 3 213 1971 REMARK 1 PUBL ACADEMIC PRESS,NEW YORK REMARK 1 REFN REMARK 1 REFERENCE 12 REMARK 1 AUTH J.J.BIRKTOFT,D.M.BLOW,R.HENDERSON,T.A.STEITZ REMARK 1 TITL THE STRUCTURE OF ALPHA-CHYMOTRYPSIN REMARK 1 REF PHILOS.TRANS.R.SOC.LONDON, V. 257 67 1970 REMARK 1 REF 2 SER.B REMARK 1 REFN ISSN 0080-4622 REMARK 1 REFERENCE 13 REMARK 1 AUTH D.M.BLOW REMARK 1 TITL THE STUDY OF ALPHA-CHYMOTRYPSIN BY X-RAY DIFFRACTION REMARK 1 REF BIOCHEM.J. V. 112 261 1969 REMARK 1 REFN ISSN 0264-6021 REMARK 1 REFERENCE 14 REMARK 1 EDIT R.J.FELDMANN REMARK 1 REF ATLAS OF MACROMOLECULAR 191 1976 REMARK 1 REF 2 STRUCTURE ON MICROFICHE REMARK 1 PUBL TRACOR JITCO INC.,ROCKVILLE,MD. REMARK 1 REFN REMARK 1 REFERENCE 15 REMARK 1 EDIT M.O.DAYHOFF REMARK 1 REF ATLAS OF PROTEIN SEQUENCE V. 5 107 1972 REMARK 1 REF 2 AND STRUCTURE (DATA SECTION) REMARK 1 PUBL NATIONAL BIOMEDICAL RESEARCH FOUNDATION, SILVER SPRING,MD. REMARK 1 REFN REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : NULL REMARK 3 AUTHORS : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL 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 : NULL 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) : NULL REMARK 3 FREE R VALUE : NULL 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 : 3472 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 20 REMARK 3 SOLVENT ATOMS : 50 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL 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 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2CHA 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_1000177915. 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 : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL 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) : 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 <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: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 70.89 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.23 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 33.70000 REMARK 290 SMTRY3 2 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: HEXAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 17050 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 18350 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -123.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, E, F, G 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 2CHA REMARK 400 THE ALPHA CHYMOTRYPSIN MOLECULE IS COMPRISED OF THREE 2CHA REMARK 400 POLYPEPTIDE CHAINS WHICH ARE DERIVED FROM THE ZYMOGEN OF 2CHA REMARK 400 THIS ENZYME BY EXCISION OF RESIDUES 14-15 AND 147-148. TO 2CHA REMARK 400 ASSIGN SEPARATE CHAIN IDENTIFIERS TO THE THREE CHAINS 2CHA REMARK 400 WOULD OBSCURE THIS RELATIONSHIP AND SO THIS WAS NOT DONE. 2CHA REMARK 400 CHAIN TERMINATOR RECORDS WERE INSERTED AFTER RESIDUES 146 2CHA REMARK 400 AND 245 TO INDICATE EXPLICIT TERMINI AND THE SPECIAL CODE 2CHA REMARK 400 EXC WAS USED IN THE SEQRES RECORDS TO DENOTE THE EXCISIONS. 2CHA REMARK 400 RESIDUES 9 THROUGH 13 ARE NOT VISIBLE IN THE ELECTRON 2CHA REMARK 400 DENSITY MAP AND SO ARE OMITTED, CONSEQUENTLY THE TER RECORD 2CHA REMARK 400 WHICH WOULD HAVE APPEARED AFTER RESIDUE 13 IS ALSO OMITTED. 2CHA 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 LEU A 10 REMARK 465 SER A 11 REMARK 465 GLY A 12 REMARK 465 LEU A 13 REMARK 465 LEU E 10 REMARK 465 SER E 11 REMARK 465 GLY E 12 REMARK 465 LEU E 13 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 VAL A 9 CA C O CB CG1 CG2 REMARK 470 VAL E 9 CA C O CB CG1 CG2 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 CE2 PHE B 39 CE2 PHE F 39 0.65 REMARK 500 CZ PHE B 39 CE2 PHE F 39 1.32 REMARK 500 CE2 PHE B 39 CZ PHE F 39 1.32 REMARK 500 OG SER C 218 O GLY G 216 1.43 REMARK 500 O GLY C 216 OG SER G 218 1.43 REMARK 500 OG SER G 195 S TSU G 51 1.46 REMARK 500 OG SER C 195 S TSU C 51 1.46 REMARK 500 CZ PHE B 39 CD2 PHE F 39 1.78 REMARK 500 CD2 PHE B 39 CZ PHE F 39 1.78 REMARK 500 CE2 PHE B 39 CD2 PHE F 39 1.84 REMARK 500 CD2 PHE B 39 CE2 PHE F 39 1.84 REMARK 500 OXT TYR F 146 O HOH F 4 2.02 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 OG SER B 127 OG SER F 127 1554 0.92 REMARK 500 CE LYS B 79 CD LYS C 170 1655 1.06 REMARK 500 CD LYS B 79 CD LYS C 170 1655 2.07 REMARK 500 ND2 ASN C 204 CA ASN G 236 1554 2.11 REMARK 500 CA ASN C 236 ND2 ASN G 204 1554 2.11 REMARK 500 CE LYS B 79 CE LYS C 170 1655 2.12 REMARK 500 CB SER B 127 OG SER F 127 1554 2.14 REMARK 500 OG SER B 127 CB SER F 127 1554 2.14 REMARK 500 O ALA G 243 O HOH C 43 1556 2.16 REMARK 500 ND2 ASN C 204 O ASN G 236 1554 2.18 REMARK 500 O ASN C 236 ND2 ASN G 204 1554 2.18 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 A 1 CA - CB - SG ANGL. DEV. = 11.5 DEGREES REMARK 500 VAL B 31 CA - CB - CG2 ANGL. DEV. = 9.1 DEGREES REMARK 500 LEU B 33 CB - CG - CD2 ANGL. DEV. = 10.4 DEGREES REMARK 500 VAL B 52 CA - CB - CG1 ANGL. DEV. = 10.1 DEGREES REMARK 500 VAL B 60 CA - CB - CG1 ANGL. DEV. = 9.3 DEGREES REMARK 500 THR B 62 CA - CB - CG2 ANGL. DEV. = 11.3 DEGREES REMARK 500 VAL B 65 CA - CB - CG1 ANGL. DEV. = 14.3 DEGREES REMARK 500 THR B 104 CA - CB - CG2 ANGL. DEV. = 11.0 DEGREES REMARK 500 LEU B 106 CB - CG - CD2 ANGL. DEV. = 11.7 DEGREES REMARK 500 PHE B 114 CB - CG - CD2 ANGL. DEV. = -4.7 DEGREES REMARK 500 PHE B 114 CB - CG - CD1 ANGL. DEV. = 5.2 DEGREES REMARK 500 VAL B 118 CA - CB - CG1 ANGL. DEV. = 13.4 DEGREES REMARK 500 VAL B 121 CA - CB - CG1 ANGL. DEV. = 9.7 DEGREES REMARK 500 VAL B 137 CA - CB - CG1 ANGL. DEV. = 11.3 DEGREES REMARK 500 VAL C 210 CA - CB - CG1 ANGL. DEV. = 11.6 DEGREES REMARK 500 CYS C 220 CA - CB - SG ANGL. DEV. = 7.9 DEGREES REMARK 500 ARG C 230 NE - CZ - NH1 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG C 230 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 VAL C 231 CG1 - CB - CG2 ANGL. DEV. = -11.1 DEGREES REMARK 500 THR C 232 CA - CB - CG2 ANGL. DEV. = 12.2 DEGREES REMARK 500 LEU C 234 CB - CG - CD1 ANGL. DEV. = 13.2 DEGREES REMARK 500 VAL C 235 CA - CB - CG2 ANGL. DEV. = 11.4 DEGREES REMARK 500 CYS E 1 CA - CB - SG ANGL. DEV. = 11.5 DEGREES REMARK 500 VAL F 31 CA - CB - CG2 ANGL. DEV. = 9.2 DEGREES REMARK 500 LEU F 33 CB - CG - CD2 ANGL. DEV. = 10.4 DEGREES REMARK 500 VAL F 52 CA - CB - CG1 ANGL. DEV. = 10.1 DEGREES REMARK 500 VAL F 60 CA - CB - CG1 ANGL. DEV. = 9.3 DEGREES REMARK 500 THR F 62 CA - CB - CG2 ANGL. DEV. = 11.3 DEGREES REMARK 500 VAL F 65 CA - CB - CG1 ANGL. DEV. = 14.3 DEGREES REMARK 500 THR F 104 CA - CB - CG2 ANGL. DEV. = 10.9 DEGREES REMARK 500 LEU F 106 CB - CG - CD2 ANGL. DEV. = 11.7 DEGREES REMARK 500 PHE F 114 CB - CG - CD2 ANGL. DEV. = -4.7 DEGREES REMARK 500 PHE F 114 CB - CG - CD1 ANGL. DEV. = 5.2 DEGREES REMARK 500 VAL F 118 CA - CB - CG1 ANGL. DEV. = 13.5 DEGREES REMARK 500 VAL F 121 CA - CB - CG1 ANGL. DEV. = 9.7 DEGREES REMARK 500 VAL F 137 CA - CB - CG1 ANGL. DEV. = 11.2 DEGREES REMARK 500 VAL G 210 CA - CB - CG1 ANGL. DEV. = 11.6 DEGREES REMARK 500 CYS G 220 CA - CB - SG ANGL. DEV. = 7.9 DEGREES REMARK 500 ARG G 230 NE - CZ - NH1 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG G 230 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 VAL G 231 CG1 - CB - CG2 ANGL. DEV. = -11.2 DEGREES REMARK 500 THR G 232 CA - CB - CG2 ANGL. DEV. = 12.2 DEGREES REMARK 500 LEU G 234 CB - CG - CD1 ANGL. DEV. = 13.2 DEGREES REMARK 500 VAL G 235 CA - CB - CG2 ANGL. DEV. = 11.4 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 B 35 -141.51 -81.97 REMARK 500 PHE B 71 -72.76 -122.27 REMARK 500 SER B 75 132.09 -27.48 REMARK 500 SER B 77 127.04 172.04 REMARK 500 ALA B 86 -78.06 -100.39 REMARK 500 PHE B 89 79.22 -113.55 REMARK 500 SER B 115 -165.12 -114.44 REMARK 500 SER B 119 -176.70 -176.90 REMARK 500 PRO B 124 -164.03 -71.96 REMARK 500 THR C 174 -31.76 -38.57 REMARK 500 SER C 189 140.59 -172.85 REMARK 500 SER C 214 -77.09 -97.21 REMARK 500 ASP F 35 -141.57 -81.95 REMARK 500 PHE F 71 -72.78 -122.23 REMARK 500 SER F 75 132.16 -27.49 REMARK 500 SER F 77 127.05 172.05 REMARK 500 ALA F 86 -78.05 -100.45 REMARK 500 PHE F 89 79.19 -113.56 REMARK 500 SER F 115 -165.23 -114.46 REMARK 500 SER F 119 -176.71 -176.93 REMARK 500 PRO F 124 -164.03 -71.97 REMARK 500 THR G 174 -31.68 -38.64 REMARK 500 SER G 189 140.61 -172.88 REMARK 500 SER G 214 -77.08 -97.26 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 ASN B 18 0.08 SIDE CHAIN REMARK 500 TYR B 94 0.06 SIDE CHAIN REMARK 500 ASN F 18 0.08 SIDE CHAIN REMARK 500 TYR F 94 0.06 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY REMARK 500 REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 500 I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI ANGLE REMARK 500 GLY A 2 10.96 REMARK 500 VAL A 3 11.76 REMARK 500 ALA A 5 -11.96 REMARK 500 PRO A 8 14.20 REMARK 500 ILE B 16 -18.11 REMARK 500 VAL B 17 -14.90 REMARK 500 GLY B 19 12.29 REMARK 500 GLU B 21 16.51 REMARK 500 SER B 26 12.76 REMARK 500 TRP B 27 -14.58 REMARK 500 GLN B 30 -14.94 REMARK 500 VAL B 31 -15.31 REMARK 500 LEU B 33 16.24 REMARK 500 LYS B 36 12.04 REMARK 500 THR B 37 -17.26 REMARK 500 PHE B 39 -11.31 REMARK 500 ILE B 47 14.12 REMARK 500 VAL B 52 -16.30 REMARK 500 VAL B 53 -17.78 REMARK 500 ALA B 55 -10.88 REMARK 500 HIS B 57 -10.70 REMARK 500 SER B 63 11.06 REMARK 500 VAL B 65 -19.04 REMARK 500 GLU B 70 -19.81 REMARK 500 PHE B 71 11.48 REMARK 500 GLN B 73 10.01 REMARK 500 SER B 77 11.36 REMARK 500 LYS B 79 16.16 REMARK 500 ILE B 80 -14.60 REMARK 500 GLN B 81 12.80 REMARK 500 LYS B 82 12.19 REMARK 500 ILE B 85 -21.64 REMARK 500 LYS B 87 -16.58 REMARK 500 PHE B 89 11.19 REMARK 500 ASN B 91 -10.81 REMARK 500 TYR B 94 10.86 REMARK 500 ASN B 95 -18.46 REMARK 500 SER B 96 11.68 REMARK 500 THR B 98 -16.95 REMARK 500 ASN B 101 13.89 REMARK 500 ILE B 103 -15.98 REMARK 500 THR B 104 -17.81 REMARK 500 LEU B 105 12.58 REMARK 500 LEU B 106 12.67 REMARK 500 LEU B 108 -10.63 REMARK 500 SER B 109 -13.51 REMARK 500 THR B 110 -11.82 REMARK 500 ALA B 111 13.09 REMARK 500 PHE B 114 11.81 REMARK 500 GLN B 116 -21.27 REMARK 500 REMARK 500 THIS ENTRY HAS 197 MAIN CHAIN PLANARITY DEVIATIONS. REMARK 500 REMARK 500 REMARK: NULL REMARK 610 REMARK 610 MISSING HETEROATOM REMARK 610 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 610 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 610 I=INSERTION CODE): REMARK 610 M RES C SSEQI REMARK 610 TSU C 51 REMARK 610 TSU G 51 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TSU C 51 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TSU G 51 DBREF 2CHA A 1 13 UNP P00766 CTRA_BOVIN 1 13 DBREF 2CHA B 16 146 UNP P00766 CTRA_BOVIN 16 146 DBREF 2CHA C 149 245 UNP P00766 CTRA_BOVIN 149 245 DBREF 2CHA E 1 13 UNP P00766 CTRA_BOVIN 1 13 DBREF 2CHA F 16 146 UNP P00766 CTRA_BOVIN 16 146 DBREF 2CHA G 149 245 UNP P00766 CTRA_BOVIN 149 245 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 E 13 CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU SEQRES 1 F 131 ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER TRP PRO SEQRES 2 F 131 TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE HIS PHE SEQRES 3 F 131 CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL VAL THR SEQRES 4 F 131 ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL VAL VAL SEQRES 5 F 131 ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU LYS ILE SEQRES 6 F 131 GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN SER LYS SEQRES 7 F 131 TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR LEU LEU SEQRES 8 F 131 LYS LEU SER THR ALA ALA SER PHE SER GLN THR VAL SER SEQRES 9 F 131 ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE ALA ALA SEQRES 10 F 131 GLY THR THR CYS VAL THR THR GLY TRP GLY LEU THR ARG SEQRES 11 F 131 TYR SEQRES 1 G 97 ALA ASN THR PRO ASP ARG LEU GLN GLN ALA SER LEU PRO SEQRES 2 G 97 LEU LEU SER ASN THR ASN CYS LYS LYS TYR TRP GLY THR SEQRES 3 G 97 LYS ILE LYS ASP ALA MET ILE CYS ALA GLY ALA SER GLY SEQRES 4 G 97 VAL SER SER CYS MET GLY ASP SER GLY GLY PRO LEU VAL SEQRES 5 G 97 CYS LYS LYS ASN GLY ALA TRP THR LEU VAL GLY ILE VAL SEQRES 6 G 97 SER TRP GLY SER SER THR CYS SER THR SER THR PRO GLY SEQRES 7 G 97 VAL TYR ALA ARG VAL THR ALA LEU VAL ASN TRP VAL GLN SEQRES 8 G 97 GLN THR LEU ALA ALA ASN HET TSU C 51 10 HET TSU G 51 10 HETNAM TSU PARA-TOLUENE SULFONATE FORMUL 7 TSU 2(C7 H8 O3 S) FORMUL 9 HOH *50(H2 O) HELIX 1 H1 SER C 164 ILE C 176 1MIXED ALPHA-3/10 AFTER TURN 1 13 HELIX 2 H2 ARG C 230 VAL C 235 5CONTIGUOUS WITH H3 6 HELIX 3 H3 VAL C 235 ASN C 245 1CONTIGUOUS WITH H2 11 HELIX 4 H4 SER G 164 ILE G 176 1MIXED ALPHA-3/10 AFTER TURN 1 13 HELIX 5 H5 ARG G 230 VAL G 235 5CONTIGUOUS WITH H3 6 HELIX 6 H6 VAL G 235 ASN G 245 1CONTIGUOUS WITH H2 11 SHEET 1 B1 7 TRP B 29 ASP B 35 0 SHEET 2 B1 7 PHE B 39 ASN B 48 -1 SHEET 3 B1 7 TRP B 51 THR B 54 -1 SHEET 4 B1 7 ILE B 103 LEU B 108 -1 SHEET 5 B1 7 GLN B 81 ASN B 91 -1 SHEET 6 B1 7 VAL B 65 ALA B 68 -1 SHEET 7 B1 7 TRP B 29 ASP B 35 -1 SHEET 1 B2 7 THR B 134 GLY B 140 0 SHEET 2 B2 7 GLN C 156 LEU C 163 -1 SHEET 3 B2 7 ALA C 179 GLY C 184 -1 SHEET 4 B2 7 GLY C 226 VAL C 231 -1 SHEET 5 B2 7 ALA C 206 TRP C 215 -1 SHEET 6 B2 7 GLY C 197 LYS C 203 -1 SHEET 7 B2 7 THR B 134 GLY B 140 -1 SHEET 1 B3 7 TRP F 29 ASP F 35 0 SHEET 2 B3 7 PHE F 39 ASN F 48 -1 SHEET 3 B3 7 TRP F 51 THR F 54 -1 SHEET 4 B3 7 ILE F 103 LEU F 108 -1 SHEET 5 B3 7 GLN F 81 ASN F 91 -1 SHEET 6 B3 7 VAL F 65 ALA F 68 -1 SHEET 7 B3 7 TRP F 29 ASP F 35 -1 SHEET 1 B4 7 THR F 134 GLY F 140 0 SHEET 2 B4 7 GLN G 156 LEU G 163 -1 SHEET 3 B4 7 ALA G 179 GLY G 184 -1 SHEET 4 B4 7 GLY G 226 VAL G 231 -1 SHEET 5 B4 7 ALA G 206 TRP G 215 -1 SHEET 6 B4 7 GLY G 197 LYS G 203 -1 SHEET 7 B4 7 THR B 134 GLY B 140 -1 SSBOND 1 CYS A 1 CYS B 122 1555 1555 1.82 SSBOND 2 CYS B 42 CYS B 58 1555 1555 1.82 SSBOND 3 CYS B 136 CYS C 201 1555 1555 1.81 SSBOND 4 CYS C 168 CYS C 182 1555 1555 1.80 SSBOND 5 CYS C 191 CYS C 220 1555 1555 1.82 SSBOND 6 CYS E 1 CYS F 122 1555 1555 1.82 SSBOND 7 CYS F 42 CYS F 58 1555 1555 1.82 SSBOND 8 CYS F 136 CYS G 201 1555 1555 1.81 SSBOND 9 CYS G 168 CYS G 182 1555 1555 1.80 SSBOND 10 CYS G 191 CYS G 220 1555 1555 1.82 SITE 1 AC1 9 HIS B 57 SER C 190 CYS C 191 MET C 192 SITE 2 AC1 9 GLY C 193 ASP C 194 SER C 195 GLY C 216 SITE 3 AC1 9 TYR F 146 SITE 1 AC2 9 TYR B 146 HIS F 57 SER G 190 CYS G 191 SITE 2 AC2 9 MET G 192 GLY G 193 ASP G 194 SER G 195 SITE 3 AC2 9 GLY G 216 CRYST1 49.100 67.400 65.900 90.00 101.70 90.00 P 1 21 1 4 ORIGX1 -0.979224 0.000000 -0.202791 48.01439 ORIGX2 0.000000 1.000000 0.000000 -20.19000 ORIGX3 0.202791 0.000000 -0.979224 24.64938 SCALE1 0.020367 0.000000 0.004218 0.00000 SCALE2 0.000000 0.014837 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015496 0.00000 MTRIX1 1 0.917752 0.000000 0.397154 -9.99729 1 MTRIX2 1 0.000000 -1.000000 0.000000 40.38000 1 MTRIX3 1 0.397154 0.000000 -0.917752 48.27433 1