HEADER HYDROLASE 17-JUN-97 1AMH TITLE UNCOMPLEXED RAT TRYPSIN MUTANT WITH ASP 189 REPLACED WITH SER (D189S) COMPND MOL_ID: 1; COMPND 2 MOLECULE: ANIONIC TRYPSIN; COMPND 3 CHAIN: A, B; COMPND 4 EC: 3.4.21.4; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS RATTUS; SOURCE 3 ORGANISM_COMMON: BLACK RAT; SOURCE 4 ORGANISM_TAXID: 10117; SOURCE 5 ORGAN: PANCREAS; SOURCE 6 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 7 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: INVSC1; SOURCE 10 EXPRESSION_SYSTEM_CELLULAR_LOCATION: SECRETION; SOURCE 11 EXPRESSION_SYSTEM_VECTOR: YEAST; SOURCE 12 EXPRESSION_SYSTEM_PLASMID: PYES2 KEYWDS SERINE PROTEASE, ACTIVATION DOMAIN, SUBSTRATE SPECIFICITY HYDROLASE, KEYWDS 2 HYDROLASE EXPDTA X-RAY DIFFRACTION AUTHOR E.SZABO,Z.S.BOCSKEI,G.NARAY-SZABO,L.GRAF REVDAT 4 02-AUG-23 1AMH 1 REMARK REVDAT 3 03-NOV-21 1AMH 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1AMH 1 VERSN REVDAT 1 24-DEC-97 1AMH 0 JRNL AUTH E.SZABO,Z.BOCSKEI,G.NARAY-SZABO,L.GRAF JRNL TITL THE THREE-DIMENSIONAL STRUCTURE OF ASP189SER TRYPSIN JRNL TITL 2 PROVIDES EVIDENCE FOR AN INHERENT STRUCTURAL PLASTICITY OF JRNL TITL 3 THE PROTEASE. JRNL REF EUR.J.BIOCHEM. V. 263 20 1999 JRNL REFN ISSN 0014-2956 JRNL PMID 10429182 JRNL DOI 10.1046/J.1432-1327.1999.00452.X REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH J.J.PERONA,L.HEDSTROM,R.L.WAGNER,W.J.RUTTER,C.S.CRAIK, REMARK 1 AUTH 2 R.J.FLETTERICK REMARK 1 TITL EXOGENOUS ACETATE RECONSTITUTES THE ENZYMATIC ACTIVITY OF REMARK 1 TITL 2 TRYPSIN ASP189SER REMARK 1 REF BIOCHEMISTRY V. 33 3252 1994 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH L.GRAF,A.JANCSO,L.SZILAGYI,G.HEGYI,K.PINTER,G.NARAY-SZABO, REMARK 1 AUTH 2 J.HEPP,K.MEDZIHRADSZKY,W.J.RUTTER REMARK 1 TITL ELECTROSTATIC COMPLEMENTARITY WITHIN THE SUBSTRATE-BINDING REMARK 1 TITL 2 POCKET OF TRYPSIN REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 85 4961 1988 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 3 REMARK 1 AUTH R.HUBER,W.BODE REMARK 1 TITL STRUCTURAL BASIS OF THE ACTIVATION AND ACTION OF TRYPSIN REMARK 1 REF ACC.CHEM.RES. V. 11 114 1978 REMARK 1 REFN ISSN 0001-4842 REMARK 2 REMARK 2 RESOLUTION. 2.50 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) : 2.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 100.00 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) (%) : 85.0 REMARK 3 NUMBER OF REFLECTIONS : 13312 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) : 0.182 REMARK 3 FREE R VALUE : 0.242 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1183 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.54 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.59 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 67.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 470 REMARK 3 BIN R VALUE (WORKING SET) : 0.2590 REMARK 3 BIN FREE R VALUE : 0.3060 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 8.10 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 38 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.050 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3328 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 128 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.25 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 18.64 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) : 0.26 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) : 0.37 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.44 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.369 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.17 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.304 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) : 1.894 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.015 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.959 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.106 ; 2.500 REMARK 3 REMARK 3 NCS MODEL : RESTRAINTS REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : 0.1348; 20 REMARK 3 GROUP 1 B-FACTOR (A**2) : 1.871 ; 3 REMARK 3 GROUP 2 POSITIONAL (A) : 0.1983; 10 REMARK 3 GROUP 2 B-FACTOR (A**2) : 2.094 ; 3 REMARK 3 REMARK 3 PARAMETER FILE 1 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : PARAM.CA REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : TOP.CA REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1AMH 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_1000170999. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : DEC-95 REMARK 200 TEMPERATURE (KELVIN) : 293 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 : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : BIOTEX REMARK 200 DATA SCALING SOFTWARE : BIOTEX REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13312 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.520 REMARK 200 RESOLUTION RANGE LOW (A) : 100.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.5 REMARK 200 DATA REDUNDANCY : 3.100 REMARK 200 R MERGE (I) : 0.12000 REMARK 200 R SYM (I) : 0.13100 REMARK 200 FOR THE DATA SET : 7.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.60 REMARK 200 COMPLETENESS FOR SHELL (%) : 91.9 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.29600 REMARK 200 R SYM FOR SHELL (I) : 0.31200 REMARK 200 FOR SHELL : 2.630 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: PDB ENTRY 1BRB REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 61.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.07 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: CRYSTALLIZED AT 277 K FROM 10 MG/ML REMARK 280 PROTEIN SOLUTION USING 22% PEG 3350, 10 MM CACL2 AND 0.15M NH4CL REMARK 280 AS PRECIPITANT AT PH=5.6 (0.1 M SODIUM CITRATE)., PH 5.6 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 24.89500 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: 2240 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 17020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -23.0 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 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 ARG A 62 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 ARG A 117 NE - CZ - NH2 ANGL. DEV. = 3.6 DEGREES REMARK 500 MET A 180 CG - SD - CE ANGL. DEV. = 9.8 DEGREES REMARK 500 MET B 104 CG - SD - CE ANGL. DEV. = 9.6 DEGREES REMARK 500 ARG B 117 NE - CZ - NH2 ANGL. DEV. = 3.7 DEGREES REMARK 500 MET B 180 CG - SD - CE ANGL. DEV. = 9.8 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 SER A 37 55.24 -141.21 REMARK 500 ASP A 49 16.87 -67.14 REMARK 500 GLN A 50 8.33 -161.73 REMARK 500 ASN A 115 -148.15 -158.34 REMARK 500 ASN A 150 113.87 -163.58 REMARK 500 VAL A 213 103.24 -53.53 REMARK 500 SER A 214 -72.07 -101.09 REMARK 500 LEU A 221A 71.28 -108.61 REMARK 500 ASP A 223 47.96 -86.44 REMARK 500 SER B 37 59.87 -142.74 REMARK 500 ASN B 48 -176.89 -172.72 REMARK 500 ASN B 79 36.14 -97.67 REMARK 500 ASN B 115 -144.69 -152.71 REMARK 500 VAL B 199 77.71 -157.61 REMARK 500 SER B 214 -78.19 -101.55 REMARK 500 LEU B 221A 72.54 -119.62 REMARK 500 ASP B 223 46.16 -78.91 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 OE2 REMARK 620 2 ASN A 72 O 128.0 REMARK 620 3 VAL A 75 O 133.4 67.4 REMARK 620 4 GLU A 77 OE2 149.8 68.6 74.2 REMARK 620 5 GLU A 80 OE2 90.8 139.9 78.9 82.2 REMARK 620 N 1 2 3 4 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA B 246 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 70 OE2 REMARK 620 2 ASN B 72 O 115.6 REMARK 620 3 VAL B 75 O 135.1 73.1 REMARK 620 4 GLU B 77 OE1 150.2 73.0 74.3 REMARK 620 5 GLU B 80 OE2 90.9 151.4 80.6 89.4 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: CAB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC SITE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 246 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 246 DBREF 1AMH A 16 245 UNP P00763 TRY2_RAT 24 246 DBREF 1AMH B 16 245 UNP P00763 TRY2_RAT 24 246 SEQADV 1AMH SER A 189 UNP P00763 ASP 194 ENGINEERED MUTATION SEQADV 1AMH SER B 189 UNP P00763 ASP 194 ENGINEERED MUTATION SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLN GLU ASN SER 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 ASP GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER ARG ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 HIS ASN ILE ASN VAL LEU GLU GLY ASN GLU GLN PHE VAL SEQRES 6 A 223 ASN ALA ALA LYS ILE ILE LYS HIS PRO ASN PHE ASP ARG SEQRES 7 A 223 LYS THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU SER SEQRES 8 A 223 SER PRO VAL LYS LEU ASN ALA ARG VAL ALA THR VAL ALA SEQRES 9 A 223 LEU PRO SER SER CYS ALA PRO ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LEU SER SER GLY VAL ASN SEQRES 11 A 223 GLU PRO ASP LEU LEU GLN CYS LEU ASP ALA PRO LEU LEU SEQRES 12 A 223 PRO GLN ALA ASP CYS GLU ALA SER TYR PRO GLY LYS ILE SEQRES 13 A 223 THR ASP ASN MET VAL CYS VAL GLY PHE LEU GLU GLY GLY SEQRES 14 A 223 LYS SER SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS ASN GLY GLU LEU GLN GLY ILE VAL SER TRP GLY TYR SEQRES 16 A 223 GLY CYS ALA LEU PRO ASP ASN PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL ASP TRP ILE GLN ASP THR ILE ALA SEQRES 18 A 223 ALA ASN SEQRES 1 B 223 ILE VAL GLY GLY TYR THR CYS GLN GLU ASN SER VAL PRO SEQRES 2 B 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 B 223 GLY SER LEU ILE ASN ASP GLN TRP VAL VAL SER ALA ALA SEQRES 4 B 223 HIS CYS TYR LYS SER ARG ILE GLN VAL ARG LEU GLY GLU SEQRES 5 B 223 HIS ASN ILE ASN VAL LEU GLU GLY ASN GLU GLN PHE VAL SEQRES 6 B 223 ASN ALA ALA LYS ILE ILE LYS HIS PRO ASN PHE ASP ARG SEQRES 7 B 223 LYS THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU SER SEQRES 8 B 223 SER PRO VAL LYS LEU ASN ALA ARG VAL ALA THR VAL ALA SEQRES 9 B 223 LEU PRO SER SER CYS ALA PRO ALA GLY THR GLN CYS LEU SEQRES 10 B 223 ILE SER GLY TRP GLY ASN THR LEU SER SER GLY VAL ASN SEQRES 11 B 223 GLU PRO ASP LEU LEU GLN CYS LEU ASP ALA PRO LEU LEU SEQRES 12 B 223 PRO GLN ALA ASP CYS GLU ALA SER TYR PRO GLY LYS ILE SEQRES 13 B 223 THR ASP ASN MET VAL CYS VAL GLY PHE LEU GLU GLY GLY SEQRES 14 B 223 LYS SER SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 B 223 CYS ASN GLY GLU LEU GLN GLY ILE VAL SER TRP GLY TYR SEQRES 16 B 223 GLY CYS ALA LEU PRO ASP ASN PRO GLY VAL TYR THR LYS SEQRES 17 B 223 VAL CYS ASN TYR VAL ASP TRP ILE GLN ASP THR ILE ALA SEQRES 18 B 223 ALA ASN HET CA A 246 1 HET CA B 246 1 HETNAM CA CALCIUM ION FORMUL 3 CA 2(CA 2+) FORMUL 5 HOH *128(H2 O) HELIX 1 1 ALA A 56 CYS A 58 5 3 HELIX 2 2 GLN A 165 SER A 171 1 7 HELIX 3 3 GLY A 219 LEU A 221A 5 4 HELIX 4 4 VAL A 231 ASN A 233 5 3 HELIX 5 5 VAL A 235 ALA A 243 1 9 HELIX 6 6 ALA B 56 CYS B 58 5 3 HELIX 7 7 GLN B 165 SER B 171 1 7 HELIX 8 8 GLY B 219 LEU B 221A 5 4 HELIX 9 9 VAL B 231 ASN B 233 5 3 HELIX 10 10 VAL B 235 ALA B 243 1 9 SHEET 1 A 7 GLN A 81 ASN A 84 0 SHEET 2 A 7 GLN A 64 LEU A 68 -1 N LEU A 68 O GLN A 81 SHEET 3 A 7 GLN A 30 ASN A 34 -1 N ASN A 34 O GLN A 64 SHEET 4 A 7 HIS A 40 ASN A 48 -1 N GLY A 44 O VAL A 31 SHEET 5 A 7 TRP A 51 SER A 54 -1 N VAL A 53 O SER A 45 SHEET 6 A 7 MET A 104 LEU A 108 -1 N ILE A 106 O VAL A 52 SHEET 7 A 7 ALA A 85 LYS A 90 -1 N ILE A 89 O LEU A 105 SHEET 1 B 6 GLN A 156 PRO A 161 0 SHEET 2 B 6 GLN A 135 GLY A 140 -1 N GLY A 140 O GLN A 156 SHEET 3 B 6 PRO A 198 CYS A 201 -1 N VAL A 200 O LEU A 137 SHEET 4 B 6 GLU A 204 TRP A 215 -1 N GLY A 211 O VAL A 199 SHEET 5 B 6 GLY A 226 LYS A 230 -1 N THR A 229 O ILE A 212 SHEET 6 B 6 MET A 180 VAL A 183 -1 N VAL A 183 O GLY A 226 SHEET 1 C 4 GLN B 81 ASN B 84 0 SHEET 2 C 4 GLN B 64 LEU B 68 -1 N LEU B 68 O GLN B 81 SHEET 3 C 4 GLN B 30 ASN B 34 -1 N ASN B 34 O GLN B 64 SHEET 4 C 4 HIS B 40 SER B 45 -1 N GLY B 44 O VAL B 31 SHEET 1 D 3 TRP B 51 SER B 54 0 SHEET 2 D 3 MET B 104 LEU B 108 -1 N ILE B 106 O VAL B 52 SHEET 3 D 3 ALA B 85 LYS B 90 -1 N ILE B 89 O LEU B 105 SHEET 1 E 6 GLN B 156 PRO B 161 0 SHEET 2 E 6 GLN B 135 GLY B 140 -1 N GLY B 140 O GLN B 156 SHEET 3 E 6 PRO B 198 CYS B 201 -1 N VAL B 200 O LEU B 137 SHEET 4 E 6 GLU B 204 TRP B 215 -1 N GLY B 211 O VAL B 199 SHEET 5 E 6 GLY B 226 LYS B 230 -1 N THR B 229 O ILE B 212 SHEET 6 E 6 MET B 180 VAL B 183 -1 N VAL B 183 O GLY B 226 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.03 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.03 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.15 SSBOND 4 CYS A 136 CYS A 201 1555 1555 1.75 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.01 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.06 SSBOND 7 CYS B 22 CYS B 157 1555 1555 1.99 SSBOND 8 CYS B 42 CYS B 58 1555 1555 2.03 SSBOND 9 CYS B 128 CYS B 232 1555 1555 2.20 SSBOND 10 CYS B 136 CYS B 201 1555 1555 2.04 SSBOND 11 CYS B 168 CYS B 182 1555 1555 2.27 SSBOND 12 CYS B 191 CYS B 220 1555 1555 2.01 LINK OE2 GLU A 70 CA CA A 246 1555 1555 2.54 LINK O ASN A 72 CA CA A 246 1555 1555 2.57 LINK O VAL A 75 CA CA A 246 1555 1555 2.49 LINK OE2 GLU A 77 CA CA A 246 1555 1555 2.51 LINK OE2 GLU A 80 CA CA A 246 1555 1555 2.48 LINK OE2 GLU B 70 CA CA B 246 1555 1555 2.50 LINK O ASN B 72 CA CA B 246 1555 1555 2.47 LINK O VAL B 75 CA CA B 246 1555 1555 2.45 LINK OE1 GLU B 77 CA CA B 246 1555 1555 2.52 LINK OE2 GLU B 80 CA CA B 246 1555 1555 2.50 SITE 1 CAA 3 HIS A 57 ASP A 102 SER A 195 SITE 1 CAB 3 HIS B 57 ASP B 102 SER B 195 SITE 1 AC1 5 GLU A 70 ASN A 72 VAL A 75 GLU A 77 SITE 2 AC1 5 GLU A 80 SITE 1 AC2 5 GLU B 70 ASN B 72 VAL B 75 GLU B 77 SITE 2 AC2 5 GLU B 80 CRYST1 45.920 49.790 89.880 90.00 97.34 90.00 P 1 21 1 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 0.021777 0.000000 0.002805 0.00000 SCALE2 0.000000 0.020084 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011218 0.00000 MTRIX1 1 0.739109 0.012922 -0.673462 17.07460 1 MTRIX2 1 0.015672 -0.999875 -0.001986 21.64730 1 MTRIX3 1 -0.673404 -0.009087 -0.739219 44.75290 1