HEADER HYDROLASE/HYDROLASE INHIBITOR 08-NOV-91 1ACB TITLE CRYSTAL AND MOLECULAR STRUCTURE OF THE BOVINE ALPHA-CHYMOTRYPSIN-EGLIN TITLE 2 C COMPLEX AT 2.0 ANGSTROMS RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: ALPHA-CHYMOTRYPSIN; COMPND 3 CHAIN: E; COMPND 4 EC: 3.4.21.1; COMPND 5 ENGINEERED: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: EGLIN C; COMPND 8 CHAIN: I; COMPND 9 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: BOVINE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 MOL_ID: 2; SOURCE 6 ORGANISM_SCIENTIFIC: HIRUDO MEDICINALIS; SOURCE 7 ORGANISM_COMMON: MEDICINAL LEECH; SOURCE 8 ORGANISM_TAXID: 6421 KEYWDS SERINE PROTEASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR M.BOLOGNESI,F.FRIGERIO,A.CODA,L.PUGLIESE,C.LIONETTI,E.MENEGATTI, AUTHOR 2 G.AMICONI,H.P.SCHNEBLI,P.ASCENZI REVDAT 6 16-OCT-24 1ACB 1 REMARK REVDAT 5 29-NOV-17 1ACB 1 REMARK HELIX REVDAT 4 17-NOV-10 1ACB 1 SOURCE REVDAT 3 24-FEB-09 1ACB 1 VERSN REVDAT 2 01-APR-03 1ACB 1 JRNL REVDAT 1 31-OCT-93 1ACB 0 JRNL AUTH F.FRIGERIO,A.CODA,L.PUGLIESE,C.LIONETTI,E.MENEGATTI, JRNL AUTH 2 G.AMICONI,H.P.SCHNEBLI,P.ASCENZI,M.BOLOGNESI JRNL TITL CRYSTAL AND MOLECULAR STRUCTURE OF THE BOVINE JRNL TITL 2 ALPHA-CHYMOTRYPSIN-EGLIN C COMPLEX AT 2.0 A RESOLUTION. JRNL REF J.MOL.BIOL. V. 225 107 1992 JRNL REFN ISSN 0022-2836 JRNL PMID 1583684 JRNL DOI 10.1016/0022-2836(92)91029-O REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH M.BOLOGNESI,L.PUGLIESE,G.GATTI,F.FRIGERIO,A.CODA,L.ANTOLINI, REMARK 1 AUTH 2 H.P.SCHNEBLI,E.MENEGATTI,G.AMICONI,P.ASCENZI REMARK 1 TITL X-RAY CRYSTAL STRUCTURE OF THE BOVINE REMARK 1 TITL 2 ALPHA-CHYMOTRYPSIN(SLASH)EGLIN C COMPLEX AT 2.6 ANGSTROMS REMARK 1 TITL 3 RESOLUTION REMARK 1 REF J.MOL.RECOG. V. 3 163 1990 REMARK 1 REFN ISSN 0952-3499 REMARK 1 REFERENCE 2 REMARK 1 AUTH L.PUGLIESE,G.GATTI,M.BOLOGNESI,A.CODA,E.MENEGATTI, REMARK 1 AUTH 2 H.P.SCHNEBLI,P.ASCENZI,G.AMICONI REMARK 1 TITL PRELIMINARY CRYSTALLOGRAPHIC DATA ON THE COMPLEX OF BOVINE REMARK 1 TITL 2 ALPHA-CHYMOTRYPSIN WITH THE RECOMBINANT PROTEINASE INHIBITOR REMARK 1 TITL 3 EGLIN C FROM HIRUDO MEDICINALIS REMARK 1 REF J.MOL.BIOL. V. 208 511 1989 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : TNT REMARK 3 AUTHORS : TRONRUD,TEN EYCK,MATTHEWS REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 11.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL REMARK 3 REMARK 3 USING DATA ABOVE SIGMA CUTOFF. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : 0.167 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 REMARK 3 USING ALL DATA, NO SIGMA CUTOFF. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2289 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 142 REMARK 3 REMARK 3 WILSON B VALUE (FROM FCALC, A**2) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. RMS WEIGHT COUNT REMARK 3 BOND LENGTHS (A) : 0.018 ; NULL ; NULL REMARK 3 BOND ANGLES (DEGREES) : 2.970 ; NULL ; NULL REMARK 3 TORSION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 PSEUDOROTATION ANGLES (DEGREES) : NULL ; NULL ; NULL REMARK 3 TRIGONAL CARBON PLANES (A) : 0.018 ; NULL ; NULL REMARK 3 GENERAL PLANES (A) : 0.019 ; NULL ; NULL REMARK 3 ISOTROPIC THERMAL FACTORS (A**2) : NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS (A) : 0.086 ; NULL ; NULL REMARK 3 REMARK 3 INCORRECT CHIRAL-CENTERS (COUNT) : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL REMARK 3 REMARK 3 RESTRAINT LIBRARIES. REMARK 3 STEREOCHEMISTRY : NULL REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ACB 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_1000170648. 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 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: 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 (%): 39.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 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 29.70000 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 1540 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13180 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, I 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 EGLIN C IS BOUND NON-COVALENTLY TO THE ACTIVE SITE OF THE REMARK 400 ENZYME. 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 E 14 REMARK 465 ARG E 15 REMARK 465 THR E 147 REMARK 465 ASN E 148 REMARK 465 THR I 1 REMARK 465 GLU I 2 REMARK 465 PHE I 3 REMARK 465 GLY I 4 REMARK 465 SER I 5 REMARK 465 GLU I 6 REMARK 465 LEU I 7 REMARK 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 ALA E 149 REMARK 475 ASN E 150 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 LEU E 13 O REMARK 480 LYS E 36 CD CE NZ REMARK 480 SER E 77 CA O OG REMARK 480 LYS E 79 CG CE NZ REMARK 480 LYS E 87 CG CD CE NZ REMARK 480 LYS E 93 CD CE NZ REMARK 480 GLN E 116 CG CD OE1 REMARK 480 ARG E 145 CG CD NE CZ NH1 NH2 REMARK 480 ARG E 154 CD NE CZ NH1 NH2 REMARK 480 LYS E 169 CG CD CE REMARK 480 LYS E 170 CD CE NZ REMARK 480 LYS E 203 CB CG CD CE NZ REMARK 480 VAL E 227 CG1 REMARK 480 GLN E 239 OE1 NE2 REMARK 480 LYS I 8 CB CG CD CE NZ REMARK 480 HIS I 28 CB CG ND1 CD2 CE1 NE2 REMARK 480 TYR I 49 CG CD2 REMARK 480 ASN I 50 OD1 ND2 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 O GLY E 19 OD1 ASN I 64 2646 1.78 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 GLU E 20 CG - CD - OE1 ANGL. DEV. = 13.2 DEGREES REMARK 500 ASN E 48 CB - CA - C ANGL. DEV. = -17.4 DEGREES REMARK 500 THR E 144 CA - CB - CG2 ANGL. DEV. = -10.3 DEGREES REMARK 500 TYR E 146 CB - CG - CD1 ANGL. DEV. = -4.1 DEGREES REMARK 500 PRO E 152 C - N - CD ANGL. DEV. = -17.2 DEGREES REMARK 500 LEU E 163 CB - CG - CD2 ANGL. DEV. = -10.7 DEGREES REMARK 500 GLY E 184 C - N - CA ANGL. DEV. = -15.2 DEGREES REMARK 500 ARG E 230 NE - CZ - NH2 ANGL. DEV. = -3.1 DEGREES REMARK 500 TYR I 29 CB - CG - CD1 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG I 48 NE - CZ - NH2 ANGL. DEV. = -3.3 DEGREES REMARK 500 ASN I 64 N - CA - CB ANGL. DEV. = -11.1 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 E 48 -163.52 -166.81 REMARK 500 PHE E 71 -53.57 -126.25 REMARK 500 SER E 214 -71.87 -121.07 REMARK 500 LEU I 45 39.71 -97.07 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 I 53 0.11 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEETS PRESENTED AS *CH1* AND *CH2* ON SHEET RECORDS REMARK 700 BELOW ARE ACTUALLY SIX-STRANDED BETA-BARRELS. THIS IS REMARK 700 REPRESENTED BY SEVEN-STRANDED SHEETS IN WHICH THE FIRST AND REMARK 700 LAST STRANDS ARE IDENTICAL. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUES THR I 1, GLU I 2, PHE I 3, GLY I 4, SER I 5, REMARK 999 GLU I 6, AND LEU I 7 OF EGLIN C HAVE BEEN PROTEOLYTICALLY REMARK 999 CLEAVED BY THE ENZYME DURING CRYSTALLIZATION. DBREF 1ACB E 1 245 UNP P00766 CTRA_BOVIN 1 245 DBREF 1ACB I 1 70 UNP P01051 ICIC_HIRME 1 70 SEQRES 1 E 245 CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU SEQRES 2 E 245 SER ARG ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER SEQRES 3 E 245 TRP PRO TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE SEQRES 4 E 245 HIS PHE CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL SEQRES 5 E 245 VAL THR ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL SEQRES 6 E 245 VAL VAL ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU SEQRES 7 E 245 LYS ILE GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN SEQRES 8 E 245 SER LYS TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR SEQRES 9 E 245 LEU LEU LYS LEU SER THR ALA ALA SER PHE SER GLN THR SEQRES 10 E 245 VAL SER ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE SEQRES 11 E 245 ALA ALA GLY THR THR CYS VAL THR THR GLY TRP GLY LEU SEQRES 12 E 245 THR ARG TYR THR ASN ALA ASN THR PRO ASP ARG LEU GLN SEQRES 13 E 245 GLN ALA SER LEU PRO LEU LEU SER ASN THR ASN CYS LYS SEQRES 14 E 245 LYS TYR TRP GLY THR LYS ILE LYS ASP ALA MET ILE CYS SEQRES 15 E 245 ALA GLY ALA SER GLY VAL SER SER CYS MET GLY ASP SER SEQRES 16 E 245 GLY GLY PRO LEU VAL CYS LYS LYS ASN GLY ALA TRP THR SEQRES 17 E 245 LEU VAL GLY ILE VAL SER TRP GLY SER SER THR CYS SER SEQRES 18 E 245 THR SER THR PRO GLY VAL TYR ALA ARG VAL THR ALA LEU SEQRES 19 E 245 VAL ASN TRP VAL GLN GLN THR LEU ALA ALA ASN SEQRES 1 I 70 THR GLU PHE GLY SER GLU LEU LYS SER PHE PRO GLU VAL SEQRES 2 I 70 VAL GLY LYS THR VAL ASP GLN ALA ARG GLU TYR PHE THR SEQRES 3 I 70 LEU HIS TYR PRO GLN TYR ASP VAL TYR PHE LEU PRO GLU SEQRES 4 I 70 GLY SER PRO VAL THR LEU ASP LEU ARG TYR ASN ARG VAL SEQRES 5 I 70 ARG VAL PHE TYR ASN PRO GLY THR ASN VAL VAL ASN HIS SEQRES 6 I 70 VAL PRO HIS VAL GLY FORMUL 3 HOH *142(H2 O) HELIX 1 H1 ASN E 165 LYS E 169 1 5 HELIX 2 H2 LEU E 234 ASN E 245 1 12 HELIX 3 H3 VAL I 18 TYR I 29 1 12 SHEET 1 CH1 7 TRP E 29 ASP E 35 0 SHEET 2 CH1 7 PHE E 39 ASN E 48 -1 O GLY E 44 N VAL E 31 SHEET 3 CH1 7 TRP E 51 THR E 54 -1 O VAL E 53 N SER E 45 SHEET 4 CH1 7 ILE E 103 LEU E 108 -1 N LEU E 106 O VAL E 52 SHEET 5 CH1 7 GLN E 81 ASN E 91 -1 N ALA E 86 O LYS E 107 SHEET 6 CH1 7 VAL E 65 ALA E 68 -1 N VAL E 66 O LEU E 83 SHEET 7 CH1 7 TRP E 29 ASP E 35 -1 O GLN E 34 N VAL E 65 SHEET 1 CH2 7 THR E 134 GLY E 140 0 SHEET 2 CH2 7 GLN E 156 LEU E 163 -1 N LEU E 160 O CYS E 136 SHEET 3 CH2 7 ALA E 179 GLY E 184 -1 N GLY E 184 O PRO E 161 SHEET 4 CH2 7 GLY E 226 VAL E 231 -1 O GLY E 226 N ALA E 183 SHEET 5 CH2 7 ALA E 206 TRP E 215 -1 O ILE E 212 N ALA E 229 SHEET 6 CH2 7 GLY E 197 LYS E 203 -1 O LEU E 199 N VAL E 210 SHEET 7 CH2 7 THR E 134 GLY E 140 -1 O VAL E 137 N VAL E 200 SHEET 1 EG1 4 LYS I 8 PHE I 10 0 SHEET 2 EG1 4 HIS I 65 GLY I 70 -1 N VAL I 69 O LYS I 8 SHEET 3 EG1 4 ARG I 51 TYR I 56 -1 O ARG I 51 N GLY I 70 SHEET 4 EG1 4 ASP I 33 LEU I 37 1 O ASP I 33 N VAL I 52 SSBOND 1 CYS E 1 CYS E 122 1555 1555 1.98 SSBOND 2 CYS E 42 CYS E 58 1555 1555 2.02 SSBOND 3 CYS E 136 CYS E 201 1555 1555 2.07 SSBOND 4 CYS E 168 CYS E 182 1555 1555 2.02 SSBOND 5 CYS E 191 CYS E 220 1555 1555 2.03 SITE 1 CAT 4 HIS E 57 ASP E 102 SER E 195 LEU I 45 CRYST1 55.300 59.400 42.500 90.00 99.10 90.00 P 1 21 1 2 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 0.018083 0.000000 0.002896 0.00000 SCALE2 0.000000 0.016835 0.000000 0.00000 SCALE3 0.000000 0.000000 0.023829 0.00000