PDB Short entry for 1CA0 HEADER COMPLEX (SERINE PROTEASE/INHIBITOR) 23-JAN-97 1CA0 TITLE BOVINE CHYMOTRYPSIN COMPLEXED TO APPI COMPND MOL_ID: 1; COMPND 2 MOLECULE: BOVINE CHYMOTRYPSIN; COMPND 3 CHAIN: A, F; COMPND 4 EC: 3.4.21.1; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: BOVINE CHYMOTRYPSIN; COMPND 7 CHAIN: B, G; COMPND 8 EC: 3.4.21.1; COMPND 9 ENGINEERED: YES; COMPND 10 MOL_ID: 3; COMPND 11 MOLECULE: BOVINE CHYMOTRYPSIN; COMPND 12 CHAIN: C, H; COMPND 13 EC: 3.4.21.1; COMPND 14 ENGINEERED: YES; COMPND 15 MOL_ID: 4; COMPND 16 MOLECULE: PROTEASE INHIBITOR DOMAIN OF ALZHEIMER'S AMYLOID COMPND 17 BETA-PROTEIN PRECURSOR; COMPND 18 CHAIN: D, I; COMPND 19 SYNONYM: APPI; COMPND 20 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 ORGAN: PANCREATIC; SOURCE 10 GENE: A4; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 13 EXPRESSION_SYSTEM_STRAIN: 27C7; SOURCE 14 EXPRESSION_SYSTEM_PLASMID: PA4G32R; SOURCE 15 EXPRESSION_SYSTEM_GENE: A4; SOURCE 16 MOL_ID: 3; SOURCE 17 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 18 ORGANISM_COMMON: CATTLE; SOURCE 19 ORGANISM_TAXID: 9913; SOURCE 20 ORGAN: PANCREATIC; SOURCE 21 GENE: A4; SOURCE 22 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 23 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 24 EXPRESSION_SYSTEM_STRAIN: 27C7; SOURCE 25 EXPRESSION_SYSTEM_PLASMID: PA4G32R; SOURCE 26 EXPRESSION_SYSTEM_GENE: A4; SOURCE 27 MOL_ID: 4; SOURCE 28 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 29 ORGANISM_COMMON: HUMAN; SOURCE 30 ORGANISM_TAXID: 9606; SOURCE 31 ORGAN: PANCREATIC; SOURCE 32 GENE: A4; SOURCE 33 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 34 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 35 EXPRESSION_SYSTEM_STRAIN: 27C7; SOURCE 36 EXPRESSION_SYSTEM_PLASMID: PA4G32R; SOURCE 37 EXPRESSION_SYSTEM_GENE: A4 KEYWDS SERINE PROTEASE, INHIBITOR, PROTEASE-SUBSTRATE INTERACTIONS, KEYWDS 2 COMPLEX (SERINE PROTEASE/INHIBITOR) EXPDTA X-RAY DIFFRACTION AUTHOR A.J.SCHEIDIG,A.A.KOSSIAKOFF REVDAT 2 24-FEB-09 1CA0 1 VERSN REVDAT 1 23-JUL-97 1CA0 0 JRNL AUTH A.J.SCHEIDIG,T.R.HYNES,L.A.PELLETIER,J.A.WELLS, JRNL AUTH 2 A.A.KOSSIAKOFF JRNL TITL CRYSTAL STRUCTURES OF BOVINE CHYMOTRYPSIN AND JRNL TITL 2 TRYPSIN COMPLEXED TO THE INHIBITOR DOMAIN OF JRNL TITL 3 ALZHEIMER'S AMYLOID BETA-PROTEIN PRECURSOR (APPI) JRNL TITL 4 AND BASIC PANCREATIC TRYPSIN INHIBITOR (BPTI): JRNL TITL 5 ENGINEERING OF INHIBITORS WITH ALTERED JRNL TITL 6 SPECIFICITIES. JRNL REF PROTEIN SCI. V. 6 1806 1997 JRNL REFN ISSN 0961-8368 JRNL PMID 9300481 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.R.HYNES,M.RANDAL,L.A.KENNEDY,C.EIGENBROT, REMARK 1 AUTH 2 A.A.KOSSIAKOFF REMARK 1 TITL X-RAY CRYSTAL STRUCTURE OF THE PROTEASE INHIBITOR REMARK 1 TITL 2 DOMAIN OF ALZHEIMER'S AMYLOID BETA-PROTEIN REMARK 1 TITL 3 PRECURSOR REMARK 1 REF BIOCHEMISTRY V. 29 10018 1990 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 2.10 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 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) (%) : 85.0 REMARK 3 NUMBER OF REFLECTIONS : 30005 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : YES REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.215 REMARK 3 FREE R VALUE : 0.323 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.600 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 : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.17 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 72.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2219 REMARK 3 BIN R VALUE (WORKING SET) : 0.3910 REMARK 3 BIN FREE R VALUE : 0.4270 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 247 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 : 4346 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 262 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 37.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.30 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) : 0.29 REMARK 3 ESD FROM SIGMAA (A) : 0.35 REMARK 3 LOW RESOLUTION CUTOFF (A) : 8.00 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) : 0.34 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.40 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.21 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.25 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) : 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1CA0 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : MAY-94 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : MIRROR REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XSCALE REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33088 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 81.1 REMARK 200 DATA REDUNDANCY : 3.050 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.02980 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 39.8700 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: X-PLOR 3.1 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 48.09 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.39 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 4.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 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 -X+1/2,Y+1/2,-Z REMARK 290 4555 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 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 35.26100 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 90.74400 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 35.26100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 90.74400 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: 8600 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 12070 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -70.0 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 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 8660 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11990 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -69.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: F, G, H, 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 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 GLY A 12 REMARK 465 LEU A 13 REMARK 465 GLY F 12 REMARK 465 LEU F 13 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 B 18 33.95 74.68 REMARK 500 ASP B 35 -167.10 -103.45 REMARK 500 PHE B 71 -55.51 -134.70 REMARK 500 ASN B 101 43.53 72.26 REMARK 500 ALA C 179 30.93 -95.02 REMARK 500 SER C 214 -80.58 -122.47 REMARK 500 ILE F 6 -136.98 -76.50 REMARK 500 PRO G 24 100.33 -50.96 REMARK 500 PHE G 71 -27.40 -153.07 REMARK 500 SER G 77 48.93 -78.02 REMARK 500 ASN G 101 47.21 71.04 REMARK 500 SER G 115 -160.12 -165.64 REMARK 500 LEU G 143 115.49 -36.69 REMARK 500 ASN H 204 -0.12 64.76 REMARK 500 SER H 214 -86.11 -114.83 REMARK 500 SER H 218 1.31 -57.99 REMARK 500 CYS I 55 68.32 -102.96 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH B 189 DISTANCE = 5.21 ANGSTROMS DBREF 1CA0 A 1 13 UNP P00766 CTRA_BOVIN 1 13 DBREF 1CA0 B 16 146 UNP P00766 CTRA_BOVIN 16 146 DBREF 1CA0 C 149 245 UNP P00766 CTRA_BOVIN 149 245 DBREF 1CA0 D 3 56 UNP P05067 A4_HUMAN 289 342 DBREF 1CA0 F 1 13 UNP P00766 CTRA_BOVIN 1 13 DBREF 1CA0 G 16 146 UNP P00766 CTRA_BOVIN 16 146 DBREF 1CA0 H 149 245 UNP P00766 CTRA_BOVIN 149 245 DBREF 1CA0 I 3 56 UNP P05067 A4_HUMAN 289 342 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 54 GLU VAL CYS SER GLU GLN ALA GLU THR GLY PRO CYS ARG SEQRES 2 D 54 ALA MET ILE SER ARG TRP TYR PHE ASP VAL THR GLU GLY SEQRES 3 D 54 LYS CYS ALA PRO PHE PHE TYR GLY GLY CYS GLY GLY ASN SEQRES 4 D 54 ARG ASN ASN PHE ASP THR GLU GLU TYR CYS MET ALA VAL SEQRES 5 D 54 CYS GLY SEQRES 1 F 13 CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU SEQRES 1 G 131 ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER TRP PRO SEQRES 2 G 131 TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE HIS PHE SEQRES 3 G 131 CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL VAL THR SEQRES 4 G 131 ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL VAL VAL SEQRES 5 G 131 ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU LYS ILE SEQRES 6 G 131 GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN SER LYS SEQRES 7 G 131 TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR LEU LEU SEQRES 8 G 131 LYS LEU SER THR ALA ALA SER PHE SER GLN THR VAL SER SEQRES 9 G 131 ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE ALA ALA SEQRES 10 G 131 GLY THR THR CYS VAL THR THR GLY TRP GLY LEU THR ARG SEQRES 11 G 131 TYR SEQRES 1 H 97 ALA ASN THR PRO ASP ARG LEU GLN GLN ALA SER LEU PRO SEQRES 2 H 97 LEU LEU SER ASN THR ASN CYS LYS LYS TYR TRP GLY THR SEQRES 3 H 97 LYS ILE LYS ASP ALA MET ILE CYS ALA GLY ALA SER GLY SEQRES 4 H 97 VAL SER SER CYS MET GLY ASP SER GLY GLY PRO LEU VAL SEQRES 5 H 97 CYS LYS LYS ASN GLY ALA TRP THR LEU VAL GLY ILE VAL SEQRES 6 H 97 SER TRP GLY SER SER THR CYS SER THR SER THR PRO GLY SEQRES 7 H 97 VAL TYR ALA ARG VAL THR ALA LEU VAL ASN TRP VAL GLN SEQRES 8 H 97 GLN THR LEU ALA ALA ASN SEQRES 1 I 54 GLU VAL CYS SER GLU GLN ALA GLU THR GLY PRO CYS ARG SEQRES 2 I 54 ALA MET ILE SER ARG TRP TYR PHE ASP VAL THR GLU GLY SEQRES 3 I 54 LYS CYS ALA PRO PHE PHE TYR GLY GLY CYS GLY GLY ASN SEQRES 4 I 54 ARG ASN ASN PHE ASP THR GLU GLU TYR CYS MET ALA VAL SEQRES 5 I 54 CYS GLY FORMUL 9 HOH *262(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 LYS C 203 GLY C 205 5 3 HELIX 4 4 VAL C 231 ALA C 244 1 14 HELIX 5 5 VAL D 4 SER D 6 5 3 HELIX 6 6 GLU D 48 CYS D 55 1 8 HELIX 7 7 ALA G 56 CYS G 58 5 3 HELIX 8 8 ASN H 165 LYS H 175 1 11 HELIX 9 9 VAL H 231 ALA H 233 5 3 HELIX 10 10 VAL H 235 ALA H 244 1 10 HELIX 11 11 VAL I 4 SER I 6 5 3 HELIX 12 12 GLU I 48 VAL I 54 1 7 SHEET 1 A 4 GLN B 81 LYS B 84 0 SHEET 2 A 4 VAL B 65 ALA B 68 -1 N ALA B 68 O GLN B 81 SHEET 3 A 4 GLN B 30 GLN B 34 -1 N GLN B 34 O VAL B 65 SHEET 4 A 4 HIS B 40 SER B 45 -1 N GLY B 44 O VAL B 31 SHEET 1 B 3 TRP B 51 THR B 54 0 SHEET 2 B 3 THR B 104 LEU B 108 -1 N LEU B 106 O VAL B 52 SHEET 3 B 3 ILE B 85 LYS B 90 -1 N PHE B 89 O LEU B 105 SHEET 1 C 2 THR B 135 GLY B 140 0 SHEET 2 C 2 GLN C 156 PRO C 161 -1 N LEU C 160 O CYS B 136 SHEET 1 D 4 MET C 180 GLY C 184 0 SHEET 2 D 4 PRO C 225 ARG C 230 -1 N TYR C 228 O ILE C 181 SHEET 3 D 4 ALA C 206 TRP C 215 -1 N TRP C 215 O VAL C 227 SHEET 4 D 4 PRO C 198 LYS C 203 -1 N LYS C 203 O ALA C 206 SHEET 1 E 2 ILE D 18 ASP D 24 0 SHEET 2 E 2 LYS D 29 TYR D 35 -1 N TYR D 35 O ILE D 18 SHEET 1 F 7 GLN G 81 LYS G 84 0 SHEET 2 F 7 VAL G 65 ALA G 68 -1 N ALA G 68 O GLN G 81 SHEET 3 F 7 GLN G 30 GLN G 34 -1 N GLN G 34 O VAL G 65 SHEET 4 F 7 HIS G 40 ASN G 48 -1 N GLY G 44 O VAL G 31 SHEET 5 F 7 TRP G 51 THR G 54 -1 N VAL G 53 O SER G 45 SHEET 6 F 7 THR G 104 LEU G 108 -1 N LEU G 106 O VAL G 52 SHEET 7 F 7 ILE G 85 LYS G 90 -1 N PHE G 89 O LEU G 105 SHEET 1 G 2 THR G 135 GLY G 140 0 SHEET 2 G 2 GLN H 156 PRO H 161 -1 N LEU H 160 O CYS G 136 SHEET 1 H 4 MET H 180 GLY H 184 0 SHEET 2 H 4 PRO H 225 ARG H 230 -1 N TYR H 228 O ILE H 181 SHEET 3 H 4 ALA H 206 TRP H 215 -1 N TRP H 215 O VAL H 227 SHEET 4 H 4 PRO H 198 LYS H 203 -1 N LYS H 203 O ALA H 206 SHEET 1 I 2 ILE I 18 ASP I 24 0 SHEET 2 I 2 LYS I 29 TYR I 35 -1 N TYR I 35 O ILE I 18 SSBOND 1 CYS A 1 CYS B 122 1555 1555 2.04 SSBOND 2 CYS B 42 CYS B 58 1555 1555 2.02 SSBOND 3 CYS B 136 CYS C 201 1555 1555 2.03 SSBOND 4 CYS C 168 CYS C 182 1555 1555 2.02 SSBOND 5 CYS C 191 CYS C 220 1555 1555 2.03 SSBOND 6 CYS D 5 CYS D 55 1555 1555 2.03 SSBOND 7 CYS D 14 CYS D 38 1555 1555 2.03 SSBOND 8 CYS D 30 CYS D 51 1555 1555 2.03 SSBOND 9 CYS F 1 CYS G 122 1555 1555 2.03 SSBOND 10 CYS G 42 CYS G 58 1555 1555 2.04 SSBOND 11 CYS G 136 CYS H 201 1555 1555 2.03 SSBOND 12 CYS H 168 CYS H 182 1555 1555 2.03 SSBOND 13 CYS H 191 CYS H 220 1555 1555 2.03 SSBOND 14 CYS I 5 CYS I 55 1555 1555 2.03 SSBOND 15 CYS I 14 CYS I 38 1555 1555 2.03 SSBOND 16 CYS I 30 CYS I 51 1555 1555 2.03 CRYST1 70.522 181.488 46.328 90.00 90.00 90.00 P 21 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 0.014180 0.000000 0.000000 0.00000 SCALE2 0.000000 0.005510 0.000000 0.00000 SCALE3 0.000000 0.000000 0.021585 0.00000 MTRIX1 1 -0.782832 0.018759 0.621950 29.61210 1 MTRIX2 1 -0.046560 0.994977 -0.088614 -14.31470 1 MTRIX3 1 -0.620489 -0.098327 -0.778027 74.25060 1