HEADER HYDROLASE 13-NOV-01 1KDQ TITLE CRYSTAL STRUCTURE ANALYSIS OF THE MUTANT S189D RAT CHYMOTRYPSIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: CHYMOTRYPSIN B, B CHAIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.1; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: CHYMOTRYPSIN B, C CHAIN; COMPND 9 CHAIN: B; COMPND 10 EC: 3.4.21.1; COMPND 11 ENGINEERED: YES; COMPND 12 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 6 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: GRF182; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PMP51; SOURCE 11 MOL_ID: 2; SOURCE 12 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 13 ORGANISM_COMMON: NORWAY RAT; SOURCE 14 ORGANISM_TAXID: 10116; SOURCE 15 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 16 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 17 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 18 EXPRESSION_SYSTEM_STRAIN: GRF182; SOURCE 19 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 20 EXPRESSION_SYSTEM_PLASMID: PMP51 KEYWDS BETA BARREL, HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR E.SZABO,Z.BOCSKEI,G.NARAY-SZABO,L.GRAF,I.VENEKEI REVDAT 5 27-OCT-21 1KDQ 1 REMARK SEQADV LINK REVDAT 4 04-APR-18 1KDQ 1 REMARK REVDAT 3 24-FEB-09 1KDQ 1 VERSN REVDAT 2 19-AUG-03 1KDQ 1 JRNL REVDAT 1 10-JUN-03 1KDQ 0 JRNL AUTH E.SZABO,I.VENEKEI,Z.BOCSKEI,G.NARAY-SZABO,L.GRAF JRNL TITL THREE DIMENSIONAL STRUCTURES OF S189D CHYMOTRYPSIN AND D189S JRNL TITL 2 TRYPSIN MUTANTS: THE EFFECT OF POLARITY AT SITE 189 ON A JRNL TITL 3 PROTEASE-SPECIFIC STABILIZATION OF THE SUBSTRATE-BINDING JRNL TITL 4 SITE JRNL REF J.MOL.BIOL. V. 331 1121 2003 JRNL REFN ISSN 0022-2836 JRNL PMID 12927546 JRNL DOI 10.1016/S0022-2836(03)00849-0 REMARK 2 REMARK 2 RESOLUTION. 2.55 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.55 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 32.97 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.6 REMARK 3 NUMBER OF REFLECTIONS : 7965 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.221 REMARK 3 FREE R VALUE : 0.277 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 367 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) : 2.55 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.67 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.06 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 902 REMARK 3 BIN R VALUE (WORKING SET) : 0.2567 REMARK 3 BIN FREE R VALUE : 0.3899 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 56 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 : 1663 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 16 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 48.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 35.91 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) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : 0.28 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) : 0.43 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.49 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.023 REMARK 3 BOND ANGLES (DEGREES) : 1.206 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 29.98 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.678 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: USED TORSION ANGLE SA PROCEDURE. REMARK 4 REMARK 4 1KDQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 15-NOV-01. REMARK 100 THE DEPOSITION ID IS D_1000014843. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 31-MAR-98 REMARK 200 TEMPERATURE (KELVIN) : 298.0 REMARK 200 PH : 7.0 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 RU200 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NORMAL FOCUS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IIC REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7974 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.550 REMARK 200 RESOLUTION RANGE LOW (A) : 32.903 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 200 DATA REDUNDANCY : 2.600 REMARK 200 R MERGE (I) : 0.12900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.55 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.69 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.30 REMARK 200 R MERGE FOR SHELL (I) : 0.51700 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.400 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG MME 2000, CALCIUM CHLORIDE, REMARK 280 AMMONIUM SULPHATE, HEPES, PH 7.0, VAPOR DIFFUSION, HANGING DROP, REMARK 280 TEMPERATURE 298.0K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.73900 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 41.73900 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 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 37.29450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 38.35350 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 37.29450 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 38.35350 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 41.73900 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 37.29450 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 38.35350 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 41.73900 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 37.29450 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 38.35350 REMARK 290 SMTRY3 8 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: 5360 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10200 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -51.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 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 ILE A 16 REMARK 465 ASN B 147 REMARK 465 ALA B 148 REMARK 465 LEU B 149 REMARK 465 LYS B 150 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 TYR A 146 CG CD1 CD2 CE1 CE2 CZ OH REMARK 470 GLU B 153 CG CD OE1 OE2 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 LYS A 36 -5.87 -54.29 REMARK 500 CYS A 42 161.45 178.90 REMARK 500 THR A 54 -161.11 -160.69 REMARK 500 HIS A 57 -2.70 -59.30 REMARK 500 PHE A 71 -45.02 -137.69 REMARK 500 SER A 75 -97.67 -127.03 REMARK 500 ASP A 76 86.63 34.21 REMARK 500 GLU A 77 54.03 -65.76 REMARK 500 ASN A 79 98.69 -67.10 REMARK 500 VAL A 99 71.58 32.55 REMARK 500 ASN A 101 48.41 39.54 REMARK 500 SER A 115 -162.88 -167.55 REMARK 500 VAL A 126 -18.58 -49.97 REMARK 500 PRO A 131 153.23 -46.43 REMARK 500 SER B 164 159.87 -39.57 REMARK 500 THR B 177 -168.49 -122.68 REMARK 500 ASP B 189 43.88 -146.48 REMARK 500 SER B 190 140.82 -176.25 REMARK 500 LEU B 209 98.74 -65.24 REMARK 500 SER B 214 -111.50 -92.52 REMARK 500 VAL B 219 -60.80 -104.81 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 CA A 246 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 70 OE1 REMARK 620 2 GLU A 70 OE2 48.2 REMARK 620 3 ASP A 72 O 78.8 81.1 REMARK 620 4 SER A 75 O 148.3 146.0 78.0 REMARK 620 5 ASP A 76 O 114.5 160.6 105.8 52.9 REMARK 620 6 GLU A 78 OE2 59.2 106.8 77.7 94.7 58.7 REMARK 620 7 HOH A 316 O 108.3 91.4 161.9 100.3 86.6 120.4 REMARK 620 N 1 2 3 4 5 6 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 246 DBREF 1KDQ A 16 146 UNP P07338 CTRB1_RAT 34 164 DBREF 1KDQ B 147 245 UNP P07338 CTRB1_RAT 165 263 SEQADV 1KDQ SER A 122 UNP P07338 CYS 140 ENGINEERED MUTATION SEQADV 1KDQ ASP B 189 UNP P07338 SER 207 ENGINEERED MUTATION SEQRES 1 A 131 ILE VAL ASN GLY GLU ASP ALA ILE PRO GLY SER TRP PRO SEQRES 2 A 131 TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE HIS PHE SEQRES 3 A 131 CYS GLY GLY SER LEU ILE SER GLU ASP TRP VAL VAL THR SEQRES 4 A 131 ALA ALA HIS CYS GLY VAL LYS THR SER ASP VAL VAL VAL SEQRES 5 A 131 ALA GLY GLU PHE ASP GLN GLY SER ASP GLU GLU ASN ILE SEQRES 6 A 131 GLN VAL LEU LYS ILE ALA GLN VAL PHE LYS ASN PRO LYS SEQRES 7 A 131 PHE ASN MET PHE THR VAL ARG ASN ASP ILE THR LEU LEU SEQRES 8 A 131 LYS LEU ALA THR PRO ALA GLN PHE SER GLU THR VAL SER SEQRES 9 A 131 ALA VAL SER LEU PRO ASN VAL ASP ASP ASP PHE PRO PRO SEQRES 10 A 131 GLY THR VAL CYS ALA THR THR GLY TRP GLY LYS THR LYS SEQRES 11 A 131 TYR SEQRES 1 B 99 ASN ALA LEU LYS THR PRO GLU LYS LEU GLN GLN ALA ALA SEQRES 2 B 99 LEU PRO ILE VAL SER GLU ALA ASP CYS LYS LYS SER TRP SEQRES 3 B 99 GLY SER LYS ILE THR ASP VAL MET THR CYS ALA GLY ALA SEQRES 4 B 99 SER GLY VAL ASP SER CYS MET GLY ASP SER GLY GLY PRO SEQRES 5 B 99 LEU VAL CYS GLN LYS ASP GLY VAL TRP THR LEU ALA GLY SEQRES 6 B 99 ILE VAL SER TRP GLY SER GLY VAL CYS SER THR SER THR SEQRES 7 B 99 PRO ALA VAL TYR SER ARG VAL THR ALA LEU MET PRO TRP SEQRES 8 B 99 VAL GLN GLN ILE LEU GLU ALA ASN HET CA A 246 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *16(H2 O) HELIX 1 1 SER B 164 GLY B 173 1 10 HELIX 2 2 LEU B 234 GLU B 243 1 10 SHEET 1 A 7 GLU A 20 ASP A 21 0 SHEET 2 A 7 GLN B 156 PRO B 161 -1 O GLN B 157 N GLU A 20 SHEET 3 A 7 VAL A 135 GLY A 140 -1 N CYS A 136 O LEU B 160 SHEET 4 A 7 PRO B 198 LYS B 203 -1 O VAL B 200 N ALA A 137 SHEET 5 A 7 VAL B 206 VAL B 213 -1 O THR B 208 N CYS B 201 SHEET 6 A 7 ALA B 226 ARG B 230 -1 O SER B 229 N ILE B 212 SHEET 7 A 7 MET B 180 ALA B 183 -1 N THR B 181 O TYR B 228 SHEET 1 B 7 GLN A 30 GLN A 34 0 SHEET 2 B 7 HIS A 40 LEU A 46 -1 O PHE A 41 N LEU A 33 SHEET 3 B 7 TRP A 51 THR A 54 -1 O VAL A 53 N SER A 45 SHEET 4 B 7 THR A 104 LEU A 108 -1 O LEU A 106 N VAL A 52 SHEET 5 B 7 GLN A 81 LYS A 90 -1 N PHE A 89 O LEU A 105 SHEET 6 B 7 VAL A 65 ALA A 68 -1 N VAL A 66 O LEU A 83 SHEET 7 B 7 GLN A 30 GLN A 34 -1 N SER A 32 O VAL A 67 SSBOND 1 CYS A 42 CYS A 58 1555 1555 2.02 SSBOND 2 CYS A 136 CYS B 201 1555 1555 2.03 SSBOND 3 CYS B 168 CYS B 182 1555 1555 2.02 SSBOND 4 CYS B 191 CYS B 220 1555 1555 2.02 LINK OE1 GLU A 70 CA CA A 246 1555 1555 2.33 LINK OE2 GLU A 70 CA CA A 246 1555 1555 2.90 LINK O ASP A 72 CA CA A 246 1555 1555 2.78 LINK O SER A 75 CA CA A 246 1555 1555 2.63 LINK O ASP A 76 CA CA A 246 1555 1555 2.82 LINK OE2 GLU A 78 CA CA A 246 1555 1555 2.28 LINK CA CA A 246 O HOH A 316 1555 1555 2.96 SITE 1 AC1 6 GLU A 70 ASP A 72 SER A 75 ASP A 76 SITE 2 AC1 6 GLU A 78 HOH A 316 CRYST1 74.589 76.707 83.478 90.00 90.00 90.00 C 2 2 21 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 0.013407 0.000000 0.000000 0.00000 SCALE2 0.000000 0.013037 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011979 0.00000