HEADER HYDROLASE/INHIBITOR 11-MAY-00 1EZS TITLE CRYSTAL STRUCTURE OF ECOTIN MUTANT M84R, W67A, G68A, Y69A, D70A BOUND TITLE 2 TO RAT ANIONIC TRYPSIN II COMPND MOL_ID: 1; COMPND 2 MOLECULE: ECOTIN; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES; COMPND 5 MUTATION: YES; COMPND 6 MOL_ID: 2; COMPND 7 MOLECULE: TRYPSIN II, ANIONIC; COMPND 8 CHAIN: C, D; COMPND 9 EC: 3.4.21.4; COMPND 10 ENGINEERED: YES; COMPND 11 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: 25A6; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: PTACTACECOTIN; SOURCE 9 MOL_ID: 2; SOURCE 10 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 11 ORGANISM_COMMON: NORWAY RAT; SOURCE 12 ORGANISM_TAXID: 10116; SOURCE 13 TISSUE: PANCREAS; SOURCE 14 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 15 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 16 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 17 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 18 EXPRESSION_SYSTEM_PLASMID: PYTD102N TRYPSIN KEYWDS PROTEIN-PROTEIN INTERACTIONS, MACROMOLECULAR COMPLEX, PROTEASE KEYWDS 2 INHIBITOR, HYDROLASE-INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.A.GILLMOR,T.TAKEUCHI,S.Q.YANG,C.S.CRAIK,R.J.FLETTERICK REVDAT 4 03-NOV-21 1EZS 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1EZS 1 VERSN REVDAT 2 01-APR-03 1EZS 1 JRNL REVDAT 1 23-JUN-00 1EZS 0 JRNL AUTH S.A.GILLMOR,T.TAKEUCHI,S.Q.YANG,C.S.CRAIK,R.J.FLETTERICK JRNL TITL COMPROMISE AND ACCOMMODATION IN ECOTIN, A DIMERIC JRNL TITL 2 MACROMOLECULAR INHIBITOR OF SERINE PROTEASES. JRNL REF J.MOL.BIOL. V. 299 993 2000 JRNL REFN ISSN 0022-2836 JRNL PMID 10843853 JRNL DOI 10.1006/JMBI.2000.3812 REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 25.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.200 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 92.7 REMARK 3 NUMBER OF REFLECTIONS : 29880 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) : 0.188 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1511 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.44 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.10 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4429 REMARK 3 BIN R VALUE (WORKING SET) : 0.2860 REMARK 3 BIN FREE R VALUE : 0.3380 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 226 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.022 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5244 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 86 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 38.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.34 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) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.39 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.560 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) : 2.640 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.190 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.050 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.110 ; 2.500 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 : PARAM.WAT 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 : TOPH.WAT REMARK 3 TOPOLOGY FILE 3 : TOPH19.ION REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: USED BULK SOLVENT CORRECTION, B-FACTOR REMARK 3 REFINEMENT, POSITIONAL REFINEMENT, AND SIMULATED ANNEALING REMARK 4 REMARK 4 1EZS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-MAY-00. REMARK 100 THE DEPOSITION ID IS D_1000011068. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 12-JAN-97 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 2 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 : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 29967 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.300 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 92.9 REMARK 200 DATA REDUNDANCY : 2.100 REMARK 200 R MERGE (I) : 0.08800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 5.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.38 REMARK 200 COMPLETENESS FOR SHELL (%) : 87.2 REMARK 200 DATA REDUNDANCY IN SHELL : 2.00 REMARK 200 R MERGE FOR SHELL (I) : 0.19600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL 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 (%): 47.91 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN: 15MG/ML COMPLEX IN 10MM TRIS REMARK 280 PH 8.0 WELL: 0.15M SODIUM CACODYLATE, 0.3M SODIUM ACETATE, 14% REMARK 280 PEG 4K, PH 6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS THE TWO-ECOTIN, TWO-TRYPSIN REMARK 300 HETERO TETRAMER IN THE ASYMMETRIC UNIT 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: 7740 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 29400 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -54.0 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 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 ALA A 1 REMARK 465 GLU A 2 REMARK 465 SER A 3 REMARK 465 VAL A 4 REMARK 465 GLN A 5 REMARK 465 PRO A 6 REMARK 465 LEU A 7 REMARK 465 GLU A 8 REMARK 465 LYS A 9 REMARK 465 ILE A 10 REMARK 465 ALA A 11 REMARK 465 LEU A 64 REMARK 465 GLU A 65 REMARK 465 GLY A 66 REMARK 465 ALA A 67 REMARK 465 ALA A 68 REMARK 465 ALA A 69 REMARK 465 ALA B 201 REMARK 465 GLU B 202 REMARK 465 SER B 203 REMARK 465 VAL B 204 REMARK 465 GLN B 205 REMARK 465 PRO B 206 REMARK 465 LEU B 207 REMARK 465 GLU B 208 REMARK 465 LYS B 209 REMARK 465 ILE B 210 REMARK 465 ALA B 211 REMARK 465 LEU B 264 REMARK 465 GLU B 265 REMARK 465 GLY B 266 REMARK 465 ALA B 267 REMARK 465 ALA B 268 REMARK 465 ALA B 269 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 PRO A 12 CG CD REMARK 470 LYS A 18 CG CD CE NZ REMARK 470 LYS A 58 CG CD CE NZ REMARK 470 LYS A 62 CG CD CE NZ REMARK 470 THR A 63 OG1 CG2 REMARK 470 LYS A 91 CG CD CE NZ REMARK 470 LYS A 92 CG CD CE NZ REMARK 470 LYS A 95 CG CD CE NZ REMARK 470 LYS A 131 CG CD CE NZ REMARK 470 LYS A 135 CG CD CE NZ REMARK 470 ARG A 142 CG CD NE CZ NH1 NH2 REMARK 470 PRO B 212 CG CD REMARK 470 LYS B 218 CG CD CE NZ REMARK 470 LYS B 258 CG CD CE NZ REMARK 470 LYS B 262 CG CD CE NZ REMARK 470 THR B 263 OG1 CG2 REMARK 470 LYS B 291 CG CD CE NZ REMARK 470 LYS B 292 CG CD CE NZ REMARK 470 LYS B 295 CG CD CE NZ REMARK 470 LYS B 331 CG CD CE NZ REMARK 470 LYS B 335 CG CD CE NZ REMARK 470 ARG B 342 CG CD NE CZ NH1 NH2 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 GLU A 17 132.36 78.51 REMARK 500 GLU A 31 -70.44 -53.69 REMARK 500 ASP A 49 -158.39 -98.26 REMARK 500 TYR A 71 101.49 87.04 REMARK 500 ARG A 84 48.26 -108.40 REMARK 500 ASP A 89 -152.56 -120.52 REMARK 500 GLU B 217 132.26 75.56 REMARK 500 GLU B 231 -72.31 -59.15 REMARK 500 ASP B 249 -153.64 -95.61 REMARK 500 TYR B 271 102.25 83.21 REMARK 500 ARG B 284 44.76 -107.25 REMARK 500 ASP B 289 -155.37 -127.06 REMARK 500 SER C 437 49.60 -142.33 REMARK 500 ASP C 449 -7.56 -53.54 REMARK 500 HIS C 471 -54.86 -138.60 REMARK 500 ASP C 479 47.16 -95.65 REMARK 500 ASN C 515 -154.38 -156.74 REMARK 500 SER C 614 -57.60 -126.08 REMARK 500 SER D 737 47.81 -141.76 REMARK 500 HIS D 771 -55.64 -137.93 REMARK 500 ASP D 779 45.24 -91.92 REMARK 500 ASN D 815 -152.99 -153.97 REMARK 500 SER D 914 -55.12 -129.70 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 C 650 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU C 470 OE1 REMARK 620 2 GLU C 470 OE2 45.3 REMARK 620 3 ASN C 472 O 84.0 103.2 REMARK 620 4 VAL C 475 O 168.1 140.2 84.2 REMARK 620 5 GLU C 477 OE1 82.3 123.6 87.3 95.4 REMARK 620 6 GLU C 480 OE2 99.9 89.4 165.2 91.2 79.1 REMARK 620 N 1 2 3 4 5 REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 CA D 950 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU D 770 OE2 REMARK 620 2 GLU D 770 OE1 46.9 REMARK 620 3 ASN D 772 O 102.9 85.9 REMARK 620 4 VAL D 775 O 146.3 165.4 84.0 REMARK 620 5 GLU D 777 OE1 124.8 80.6 85.7 88.2 REMARK 620 6 GLU D 780 OE2 89.5 93.9 162.3 92.6 76.9 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 D 950 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 650 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1AZZ RELATED DB: PDB REMARK 900 1AZZ CONTAINS ECOTIN BOUND TO COLLAGENASE REMARK 900 RELATED ID: 1ECY RELATED DB: PDB REMARK 900 1ECY CONTAINS ECOTIN ALONE REMARK 900 RELATED ID: 1ECZ RELATED DB: PDB REMARK 900 1ECZ CONTAINS ECOTIN ALONE REMARK 900 RELATED ID: 1SLU RELATED DB: PDB REMARK 900 1SLU CONTAINS MUTANT ECOTIN BOUND TO MUTANT TRYPSIN REMARK 900 RELATED ID: 1SLV RELATED DB: PDB REMARK 900 1SLV CONTAINS MUTANT ECOTIN BOUND TO MUTANT TRYPSIN REMARK 900 RELATED ID: 1SLW RELATED DB: PDB REMARK 900 1SLW CONTAINS MUTANT ECOTIN BOUND TO MUTANT TRYPSIN REMARK 900 RELATED ID: 1SLX RELATED DB: PDB REMARK 900 1SLX CONTAINS MUTANT ECOTIN BOUND TO MUTANT TRYPSIN REMARK 900 RELATED ID: 1EZU RELATED DB: PDB REMARK 900 1EZU CONTAINS MUTANT ECOTIN BOUND TO MUTANT TRYPSIN DBREF 1EZS A 1 142 UNP P23827 ECOT_ECOLI 21 162 DBREF 1EZS B 201 342 UNP P23827 ECOT_ECOLI 21 162 DBREF 1EZS C 416 645 UNP P00763 TRY2_RAT 24 246 DBREF 1EZS D 716 945 UNP P00763 TRY2_RAT 24 246 SEQADV 1EZS ALA A 67 UNP P23827 TRP 87 ENGINEERED MUTATION SEQADV 1EZS ALA A 68 UNP P23827 GLY 88 ENGINEERED MUTATION SEQADV 1EZS ALA A 69 UNP P23827 TYR 89 ENGINEERED MUTATION SEQADV 1EZS ALA A 70 UNP P23827 ASP 90 ENGINEERED MUTATION SEQADV 1EZS ARG A 84 UNP P23827 MET 104 ENGINEERED MUTATION SEQADV 1EZS ALA B 267 UNP P23827 TRP 87 ENGINEERED MUTATION SEQADV 1EZS ALA B 268 UNP P23827 GLY 88 ENGINEERED MUTATION SEQADV 1EZS ALA B 269 UNP P23827 TYR 89 ENGINEERED MUTATION SEQADV 1EZS ALA B 270 UNP P23827 ASP 90 ENGINEERED MUTATION SEQADV 1EZS ARG B 284 UNP P23827 MET 104 ENGINEERED MUTATION SEQADV 1EZS ASP C 479 UNP P00763 ASN 84 SEE REMARK 999 SEQADV 1EZS ASN C 502 UNP P00763 ASP 107 ENGINEERED MUTATION SEQADV 1EZS ASP D 779 UNP P00763 ASN 84 SEE REMARK 999 SEQADV 1EZS ASN D 802 UNP P00763 ASP 107 ENGINEERED MUTATION SEQRES 1 A 142 ALA GLU SER VAL GLN PRO LEU GLU LYS ILE ALA PRO TYR SEQRES 2 A 142 PRO GLN ALA GLU LYS GLY MET LYS ARG GLN VAL ILE GLN SEQRES 3 A 142 LEU THR PRO GLN GLU ASP GLU SER THR LEU LYS VAL GLU SEQRES 4 A 142 LEU LEU ILE GLY GLN THR LEU GLU VAL ASP CYS ASN LEU SEQRES 5 A 142 HIS ARG LEU GLY GLY LYS LEU GLU ASN LYS THR LEU GLU SEQRES 6 A 142 GLY ALA ALA ALA ALA TYR TYR VAL PHE ASP LYS VAL SER SEQRES 7 A 142 SER PRO VAL SER THR ARG MET ALA CYS PRO ASP GLY LYS SEQRES 8 A 142 LYS GLU LYS LYS PHE VAL THR ALA TYR LEU GLY ASP ALA SEQRES 9 A 142 GLY MET LEU ARG TYR ASN SER LYS LEU PRO ILE VAL VAL SEQRES 10 A 142 TYR THR PRO ASP ASN VAL ASP VAL LYS TYR ARG VAL TRP SEQRES 11 A 142 LYS ALA GLU GLU LYS ILE ASP ASN ALA VAL VAL ARG SEQRES 1 B 142 ALA GLU SER VAL GLN PRO LEU GLU LYS ILE ALA PRO TYR SEQRES 2 B 142 PRO GLN ALA GLU LYS GLY MET LYS ARG GLN VAL ILE GLN SEQRES 3 B 142 LEU THR PRO GLN GLU ASP GLU SER THR LEU LYS VAL GLU SEQRES 4 B 142 LEU LEU ILE GLY GLN THR LEU GLU VAL ASP CYS ASN LEU SEQRES 5 B 142 HIS ARG LEU GLY GLY LYS LEU GLU ASN LYS THR LEU GLU SEQRES 6 B 142 GLY ALA ALA ALA ALA TYR TYR VAL PHE ASP LYS VAL SER SEQRES 7 B 142 SER PRO VAL SER THR ARG MET ALA CYS PRO ASP GLY LYS SEQRES 8 B 142 LYS GLU LYS LYS PHE VAL THR ALA TYR LEU GLY ASP ALA SEQRES 9 B 142 GLY MET LEU ARG TYR ASN SER LYS LEU PRO ILE VAL VAL SEQRES 10 B 142 TYR THR PRO ASP ASN VAL ASP VAL LYS TYR ARG VAL TRP SEQRES 11 B 142 LYS ALA GLU GLU LYS ILE ASP ASN ALA VAL VAL ARG SEQRES 1 C 223 ILE VAL GLY GLY TYR THR CYS GLN GLU ASN SER VAL PRO SEQRES 2 C 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 C 223 GLY SER LEU ILE ASN ASP GLN TRP VAL VAL SER ALA ALA SEQRES 4 C 223 HIS CYS TYR LYS SER ARG ILE GLN VAL ARG LEU GLY GLU SEQRES 5 C 223 HIS ASN ILE ASN VAL LEU GLU GLY ASP GLU GLN PHE VAL SEQRES 6 C 223 ASN ALA ALA LYS ILE ILE LYS HIS PRO ASN PHE ASP ARG SEQRES 7 C 223 LYS THR LEU ASN ASN ASN ILE MET LEU ILE LYS LEU SER SEQRES 8 C 223 SER PRO VAL LYS LEU ASN ALA ARG VAL ALA THR VAL ALA SEQRES 9 C 223 LEU PRO SER SER CYS ALA PRO ALA GLY THR GLN CYS LEU SEQRES 10 C 223 ILE SER GLY TRP GLY ASN THR LEU SER SER GLY VAL ASN SEQRES 11 C 223 GLU PRO ASP LEU LEU GLN CYS LEU ASP ALA PRO LEU LEU SEQRES 12 C 223 PRO GLN ALA ASP CYS GLU ALA SER TYR PRO GLY LYS ILE SEQRES 13 C 223 THR ASP ASN MET VAL CYS VAL GLY PHE LEU GLU GLY GLY SEQRES 14 C 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 C 223 CYS ASN GLY GLU LEU GLN GLY ILE VAL SER TRP GLY TYR SEQRES 16 C 223 GLY CYS ALA LEU PRO ASP ASN PRO GLY VAL TYR THR LYS SEQRES 17 C 223 VAL CYS ASN TYR VAL ASP TRP ILE GLN ASP THR ILE ALA SEQRES 18 C 223 ALA ASN SEQRES 1 D 223 ILE VAL GLY GLY TYR THR CYS GLN GLU ASN SER VAL PRO SEQRES 2 D 223 TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY SEQRES 3 D 223 GLY SER LEU ILE ASN ASP GLN TRP VAL VAL SER ALA ALA SEQRES 4 D 223 HIS CYS TYR LYS SER ARG ILE GLN VAL ARG LEU GLY GLU SEQRES 5 D 223 HIS ASN ILE ASN VAL LEU GLU GLY ASP GLU GLN PHE VAL SEQRES 6 D 223 ASN ALA ALA LYS ILE ILE LYS HIS PRO ASN PHE ASP ARG SEQRES 7 D 223 LYS THR LEU ASN ASN ASN ILE MET LEU ILE LYS LEU SER SEQRES 8 D 223 SER PRO VAL LYS LEU ASN ALA ARG VAL ALA THR VAL ALA SEQRES 9 D 223 LEU PRO SER SER CYS ALA PRO ALA GLY THR GLN CYS LEU SEQRES 10 D 223 ILE SER GLY TRP GLY ASN THR LEU SER SER GLY VAL ASN SEQRES 11 D 223 GLU PRO ASP LEU LEU GLN CYS LEU ASP ALA PRO LEU LEU SEQRES 12 D 223 PRO GLN ALA ASP CYS GLU ALA SER TYR PRO GLY LYS ILE SEQRES 13 D 223 THR ASP ASN MET VAL CYS VAL GLY PHE LEU GLU GLY GLY SEQRES 14 D 223 LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL SEQRES 15 D 223 CYS ASN GLY GLU LEU GLN GLY ILE VAL SER TRP GLY TYR SEQRES 16 D 223 GLY CYS ALA LEU PRO ASP ASN PRO GLY VAL TYR THR LYS SEQRES 17 D 223 VAL CYS ASN TYR VAL ASP TRP ILE GLN ASP THR ILE ALA SEQRES 18 D 223 ALA ASN HET CA C 650 1 HET CA D 950 1 HETNAM CA CALCIUM ION FORMUL 5 CA 2(CA 2+) FORMUL 7 HOH *86(H2 O) HELIX 1 1 ASP A 32 SER A 34 5 3 HELIX 2 2 LEU A 101 ALA A 104 5 4 HELIX 3 3 ASP B 232 SER B 234 5 3 HELIX 4 4 LEU B 301 ALA B 304 5 4 HELIX 5 5 ALA C 455 TYR C 459 5 5 HELIX 6 6 PRO C 564 TYR C 572 1 9 HELIX 7 7 TYR C 634 ASN C 645 1 12 HELIX 8 8 ALA D 755 TYR D 759 5 5 HELIX 9 9 PRO D 864 TYR D 872 1 9 HELIX 10 10 TYR D 934 ASN D 945 1 12 SHEET 1 A 5 VAL B 340 VAL B 341 0 SHEET 2 A 5 MET A 20 ILE A 25 -1 N VAL A 24 O VAL B 340 SHEET 3 A 5 ILE A 115 PRO A 120 -1 N ILE A 115 O ILE A 25 SHEET 4 A 5 TYR A 72 ASP A 75 1 O TYR A 72 N TYR A 118 SHEET 5 A 5 LYS A 58 ASN A 61 -1 N LYS A 58 O ASP A 75 SHEET 1 B14 GLU A 93 THR A 98 0 SHEET 2 B14 LEU A 36 VAL A 48 -1 O GLN A 44 N VAL A 97 SHEET 3 B14 MET A 106 ARG A 108 -1 N LEU A 107 O VAL A 38 SHEET 4 B14 LEU A 36 VAL A 48 -1 O VAL A 38 N LEU A 107 SHEET 5 B14 ASP A 124 ALA A 132 -1 N ASP A 124 O GLY A 43 SHEET 6 B14 ASP B 337 ASN B 338 -1 N ASP B 337 O TYR A 127 SHEET 7 B14 ASP A 124 ALA A 132 -1 O TYR A 127 N ASP B 337 SHEET 8 B14 ASP B 324 ALA B 332 -1 O LYS B 331 N LYS A 131 SHEET 9 B14 ASP A 137 ASN A 138 -1 N ASP A 137 O TYR B 327 SHEET 10 B14 ASP B 324 ALA B 332 -1 O TYR B 327 N ASP A 137 SHEET 11 B14 LEU B 236 VAL B 248 -1 O LYS B 237 N TRP B 330 SHEET 12 B14 MET B 306 ARG B 308 -1 N LEU B 307 O VAL B 238 SHEET 13 B14 LEU B 236 VAL B 248 -1 O VAL B 238 N LEU B 307 SHEET 14 B14 GLU B 293 THR B 298 -1 O GLU B 293 N VAL B 248 SHEET 1 C 5 VAL A 140 VAL A 141 0 SHEET 2 C 5 MET B 220 ILE B 225 -1 O VAL B 224 N VAL A 140 SHEET 3 C 5 ILE B 315 PRO B 320 -1 N ILE B 315 O ILE B 225 SHEET 4 C 5 TYR B 272 ASP B 275 1 O TYR B 272 N TYR B 318 SHEET 5 C 5 LYS B 258 ASN B 261 -1 O LYS B 258 N ASP B 275 SHEET 1 D11 TYR C 420 THR C 421 0 SHEET 2 D11 GLN C 556 PRO C 561 -1 N CYS C 557 O TYR C 420 SHEET 3 D11 GLN C 535 GLY C 540 -1 N CYS C 536 O ALA C 560 SHEET 4 D11 PRO C 598 CYS C 601 -1 O PRO C 598 N SER C 539 SHEET 5 D11 GLU C 604 GLY C 616 -1 O GLU C 604 N CYS C 601 SHEET 6 D11 VAL B 281 THR B 283 -1 N SER B 282 O GLY C 616 SHEET 7 D11 HIS B 253 ARG B 254 -1 N ARG B 254 O VAL B 281 SHEET 8 D11 VAL B 281 THR B 283 -1 O VAL B 281 N ARG B 254 SHEET 9 D11 GLU C 604 GLY C 616 -1 O GLY C 616 N SER B 282 SHEET 10 D11 GLY C 626 LYS C 630 -1 N VAL C 627 O TRP C 615 SHEET 11 D11 MET C 580 VAL C 583 -1 O VAL C 581 N TYR C 628 SHEET 1 E 7 GLN C 481 LYS C 490 0 SHEET 2 E 7 GLN C 464 LEU C 468 -1 N VAL C 465 O VAL C 483 SHEET 3 E 7 GLN C 430 ASN C 434 -1 O SER C 432 N ARG C 466 SHEET 4 E 7 HIS C 440 ASN C 448 -1 N PHE C 441 O LEU C 433 SHEET 5 E 7 TRP C 451 SER C 454 -1 O TRP C 451 N ILE C 447 SHEET 6 E 7 MET C 504 LEU C 508 -1 N MET C 504 O SER C 454 SHEET 7 E 7 GLN C 481 LYS C 490 -1 N ALA C 486 O LYS C 507 SHEET 1 F11 TYR D 720 THR D 721 0 SHEET 2 F11 GLN D 856 PRO D 861 -1 N CYS D 857 O TYR D 720 SHEET 3 F11 GLN D 835 GLY D 840 -1 N CYS D 836 O ALA D 860 SHEET 4 F11 PRO D 898 CYS D 901 -1 O PRO D 898 N SER D 839 SHEET 5 F11 GLU D 904 GLY D 916 -1 O GLU D 904 N CYS D 901 SHEET 6 F11 VAL A 81 THR A 83 -1 N SER A 82 O GLY D 916 SHEET 7 F11 HIS A 53 ARG A 54 -1 O ARG A 54 N VAL A 81 SHEET 8 F11 VAL A 81 THR A 83 -1 N VAL A 81 O ARG A 54 SHEET 9 F11 GLU D 904 GLY D 916 -1 O GLY D 916 N SER A 82 SHEET 10 F11 GLY D 926 LYS D 930 -1 N VAL D 927 O TRP D 915 SHEET 11 F11 MET D 880 VAL D 883 -1 O VAL D 881 N TYR D 928 SHEET 1 G 7 GLN D 781 LYS D 790 0 SHEET 2 G 7 GLN D 764 LEU D 768 -1 N VAL D 765 O VAL D 783 SHEET 3 G 7 GLN D 730 ASN D 734 -1 O SER D 732 N ARG D 766 SHEET 4 G 7 HIS D 740 ASN D 748 -1 N PHE D 741 O LEU D 733 SHEET 5 G 7 TRP D 751 SER D 754 -1 O TRP D 751 N ILE D 747 SHEET 6 G 7 MET D 804 LEU D 808 -1 N MET D 804 O SER D 754 SHEET 7 G 7 GLN D 781 LYS D 790 -1 N ALA D 786 O LYS D 807 SSBOND 1 CYS A 50 CYS A 87 1555 1555 2.03 SSBOND 2 CYS B 250 CYS B 287 1555 1555 2.03 SSBOND 3 CYS C 422 CYS C 557 1555 1555 2.02 SSBOND 4 CYS C 442 CYS C 458 1555 1555 2.02 SSBOND 5 CYS C 528 CYS C 632 1555 1555 2.03 SSBOND 6 CYS C 536 CYS C 601 1555 1555 2.02 SSBOND 7 CYS C 568 CYS C 582 1555 1555 2.03 SSBOND 8 CYS C 591 CYS C 620 1555 1555 2.02 SSBOND 9 CYS D 722 CYS D 857 1555 1555 2.02 SSBOND 10 CYS D 742 CYS D 758 1555 1555 2.01 SSBOND 11 CYS D 828 CYS D 932 1555 1555 2.02 SSBOND 12 CYS D 836 CYS D 901 1555 1555 2.02 SSBOND 13 CYS D 868 CYS D 882 1555 1555 2.03 SSBOND 14 CYS D 891 CYS D 920 1555 1555 2.02 LINK OE1 GLU C 470 CA CA C 650 1555 1555 2.31 LINK OE2 GLU C 470 CA CA C 650 1555 1555 3.11 LINK O ASN C 472 CA CA C 650 1555 1555 2.48 LINK O VAL C 475 CA CA C 650 1555 1555 2.56 LINK OE1 GLU C 477 CA CA C 650 1555 1555 2.49 LINK OE2 GLU C 480 CA CA C 650 1555 1555 2.42 LINK OE2 GLU D 770 CA CA D 950 1555 1555 2.96 LINK OE1 GLU D 770 CA CA D 950 1555 1555 2.43 LINK O ASN D 772 CA CA D 950 1555 1555 2.48 LINK O VAL D 775 CA CA D 950 1555 1555 2.63 LINK OE1 GLU D 777 CA CA D 950 1555 1555 2.52 LINK OE2 GLU D 780 CA CA D 950 1555 1555 2.42 SITE 1 AC1 5 GLU D 770 ASN D 772 VAL D 775 GLU D 777 SITE 2 AC1 5 GLU D 780 SITE 1 AC2 5 GLU C 470 ASN C 472 VAL C 475 GLU C 477 SITE 2 AC2 5 GLU C 480 CRYST1 45.828 59.682 71.044 103.57 93.27 94.62 P 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 0.021821 0.001764 0.001723 0.00000 SCALE2 0.000000 0.016810 0.004165 0.00000 SCALE3 0.000000 0.000000 0.014525 0.00000