PDB Short entry for 1TAW HEADER COMPLEX (SERINE PROTEASE/INHIBITOR) 19-DEC-96 1TAW TITLE BOVINE TRYPSIN COMPLEXED TO APPI COMPND MOL_ID: 1; COMPND 2 MOLECULE: TRYPSIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.21.4; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: PROTEASE INHIBITOR DOMAIN OF ALZHEIMER'S AMYLOID BETA- COMPND 7 PROTEIN PRECURSOR; COMPND 8 CHAIN: B; COMPND 9 FRAGMENT: RESIDUES 289 - 342 OF ALZHEIMER'S AMYLOID BETA-PROTEIN COMPND 10 PRECURSOR; COMPND 11 SYNONYM: APPI; COMPND 12 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BOS TAURUS; SOURCE 3 ORGANISM_COMMON: CATTLE; SOURCE 4 ORGANISM_TAXID: 9913; SOURCE 5 ORGAN: PANCREATIC; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 8 ORGANISM_COMMON: HUMAN; SOURCE 9 ORGANISM_TAXID: 9606; SOURCE 10 ORGAN: PANCREATIC; SOURCE 11 GENE: A4; SOURCE 12 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 13 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 14 EXPRESSION_SYSTEM_STRAIN: 27C7; SOURCE 15 EXPRESSION_SYSTEM_PLASMID: PA4G32R; SOURCE 16 EXPRESSION_SYSTEM_GENE: A4 KEYWDS SERINE PROTEASE, KUNITZ TYPE INHIBITOR, COMPLEX, PROTEASE-SUBSTRATE KEYWDS 2 INTERACTIONS, COMPLEX (SERINE PROTEASE-INHIBITOR) COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.R.HYNES,A.A.KOSSIAKOFF REVDAT 4 09-AUG-23 1TAW 1 REMARK SEQADV LINK REVDAT 3 18-APR-18 1TAW 1 REMARK REVDAT 2 24-FEB-09 1TAW 1 VERSN REVDAT 1 24-JUN-97 1TAW 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 TRYPSIN JRNL TITL 2 COMPLEXED TO THE INHIBITOR DOMAIN OF ALZHEIMER'S AMYLOID JRNL TITL 3 BETA-PROTEIN PRECURSOR (APPI) AND BASIC PANCREATIC TRYPSIN JRNL TITL 4 INHIBITOR (BPTI): ENGINEERING OF INHIBITORS WITH ALTERED JRNL TITL 5 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,A.A.KOSSIAKOFF REMARK 1 TITL X-RAY CRYSTAL STRUCTURE OF THE PROTEASE INHIBITOR DOMAIN OF REMARK 1 TITL 2 ALZHEIMER'S AMYLOID BETA-PROTEIN PRECURSOR REMARK 1 REF BIOCHEMISTRY V. 29 10018 1990 REMARK 1 REFN ISSN 0006-2960 REMARK 2 REMARK 2 RESOLUTION. 1.80 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) : 1.80 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) (%) : 76.6 REMARK 3 NUMBER OF REFLECTIONS : 22374 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) : 0.184 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 : 2043 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 153 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 31.50 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 39.23 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) : 0.23 REMARK 3 ESD FROM SIGMAA (A) : 0.32 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) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.457 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 25.98 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.302 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : PARAM19.ION 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 : TOPH19.ION REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1TAW 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_1000176590. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JAN-92 REMARK 200 TEMPERATURE (KELVIN) : 277 REMARK 200 PH : 6.5 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 : DIFFRACTOMETER REMARK 200 DETECTOR MANUFACTURER : ENRAF-NONIUS FAST REMARK 200 INTENSITY-INTEGRATION SOFTWARE : PROCOR, MADNES REMARK 200 DATA SCALING SOFTWARE : PROCOR REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22374 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 76.6 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.05000 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 79.3 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.08000 REMARK 200 R SYM FOR SHELL (I) : 0.25000 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 2PTC REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.36 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.74 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 47.02500 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 24.92500 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 47.02500 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 24.92500 REMARK 290 SMTRY3 4 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: TETRAMERIC 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 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 VAL B 1 REMARK 465 ARG B 2 REMARK 465 SER B 57 REMARK 465 ALA B 58 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 49 -7.83 -55.99 REMARK 500 ASP A 71 -65.17 -132.30 REMARK 500 SER A 150 100.34 -169.93 REMARK 500 SER A 214 -72.42 -129.64 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 ASN A 72 O 77.2 REMARK 620 3 VAL A 75 O 138.9 84.3 REMARK 620 4 GLU A 80 OE2 91.8 164.3 97.3 REMARK 620 5 HOH A 275 O 88.5 93.7 129.4 97.2 REMARK 620 6 HOH A 322 O 68.0 82.1 73.4 83.4 156.5 REMARK 620 N 1 2 3 4 5 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 1TAW A 16 245 UNP P00760 TRY1_BOVIN 21 243 DBREF 1TAW B 1 58 UNP P05067 A4_HUMAN 287 344 SEQADV 1TAW THR A 165 UNP P00760 ASP 165 CONFLICT SEQRES 1 A 223 ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR 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 SER GLN TRP VAL VAL SER ALA ALA SEQRES 4 A 223 HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU SEQRES 5 A 223 ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE SEQRES 6 A 223 SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER SEQRES 7 A 223 ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS SEQRES 8 A 223 SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER SEQRES 9 A 223 LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU SEQRES 10 A 223 ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER SEQRES 11 A 223 TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU SEQRES 12 A 223 SER THR SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE SEQRES 13 A 223 THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY SEQRES 14 A 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 A 223 CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER SEQRES 16 A 223 GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS SEQRES 17 A 223 VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA SEQRES 18 A 223 SER ASN SEQRES 1 B 58 VAL ARG GLU VAL CYS SER GLU GLN ALA GLU THR GLY PRO SEQRES 2 B 58 CYS ARG ALA MET ILE SER ARG TRP TYR PHE ASP VAL THR SEQRES 3 B 58 GLU GLY LYS CYS ALA PRO PHE PHE TYR GLY GLY CYS GLY SEQRES 4 B 58 GLY ASN ARG ASN ASN PHE ASP THR GLU GLU TYR CYS MET SEQRES 5 B 58 ALA VAL CYS GLY SER ALA HET CA A 246 1 HETNAM CA CALCIUM ION FORMUL 3 CA CA 2+ FORMUL 4 HOH *153(H2 O) HELIX 1 1 ALA A 56 CYS A 58 5 3 HELIX 2 2 THR A 165 ALA A 171 1 7 HELIX 3 3 VAL A 231 ALA A 243 5 13 HELIX 4 4 VAL B 4 SER B 6 5 3 HELIX 5 5 GLU B 48 VAL B 54 1 7 SHEET 1 A 7 GLN A 81 SER A 84 0 SHEET 2 A 7 GLN A 64 LEU A 67 -1 N LEU A 67 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 VAL A 90 -1 N ILE A 89 O LEU A 105 SHEET 1 B 2 GLN A 135 GLY A 140 0 SHEET 2 B 2 LYS A 156 PRO A 161 -1 N ALA A 160 O CYS A 136 SHEET 1 C 4 MET A 180 ALA A 183 0 SHEET 2 C 4 GLY A 226 LYS A 230 -1 N TYR A 228 O PHE A 181 SHEET 3 C 4 LYS A 204 TRP A 215 -1 N TRP A 215 O VAL A 227 SHEET 4 C 4 PRO A 198 CYS A 201 -1 N CYS A 201 O LYS A 204 SHEET 1 D 2 ILE B 18 ASP B 24 0 SHEET 2 D 2 LYS B 29 TYR B 35 -1 N TYR B 35 O ILE B 18 SSBOND 1 CYS A 22 CYS A 157 1555 1555 2.03 SSBOND 2 CYS A 42 CYS A 58 1555 1555 2.02 SSBOND 3 CYS A 128 CYS A 232 1555 1555 2.04 SSBOND 4 CYS A 136 CYS A 201 1555 1555 2.03 SSBOND 5 CYS A 168 CYS A 182 1555 1555 2.02 SSBOND 6 CYS A 191 CYS A 220 1555 1555 2.02 SSBOND 7 CYS B 5 CYS B 55 1555 1555 2.03 SSBOND 8 CYS B 14 CYS B 38 1555 1555 2.03 SSBOND 9 CYS B 30 CYS B 51 1555 1555 2.01 LINK OE1 GLU A 70 CA CA A 246 1555 1555 2.39 LINK O ASN A 72 CA CA A 246 1555 1555 2.32 LINK O VAL A 75 CA CA A 246 1555 1555 2.18 LINK OE2 GLU A 80 CA CA A 246 1555 1555 2.48 LINK CA CA A 246 O HOH A 275 1555 1555 2.30 LINK CA CA A 246 O HOH A 322 1555 1555 2.37 SITE 1 AC1 6 GLU A 70 ASN A 72 VAL A 75 GLU A 80 SITE 2 AC1 6 HOH A 275 HOH A 322 CRYST1 94.050 49.850 68.800 90.00 96.31 90.00 C 1 2 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 0.010633 0.000000 0.001176 0.00000 SCALE2 0.000000 0.020060 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014623 0.00000