HEADER HYDROLASE/INHIBITOR 11-MAY-00 1EZS TITLE CRYSTAL STRUCTURE OF ECOTIN MUTANT M84R, W67A, G68A, Y69A, TITLE 2 D70A BOUND 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, KEYWDS 2 PROTEASE INHIBITOR, HYDROLASE/INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR S.A.GILLMOR,T.TAKEUCHI,S.Q.YANG,C.S.CRAIK,R.J.FLETTERICK 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, JRNL AUTH 2 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 1 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) : 1.60 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.56 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- REMARK 3 FACTOR REFINEMENT, POSITIONAL REFINEMENT, AND SIMULATED REMARK 3 ANNEALING REMARK 4 REMARK 4 1EZS COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-MAY-00. REMARK 100 THE RCSB ID CODE IS RCSB011068. 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 REMARK 280 TRIS PH 8.0 WELL: 0.15M SODIUM CACODYLATE, 0.3M SODIUM REMARK 280 ACETATE, 14% PEG 4K, PH 6.5, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 480 OE2 REMARK 620 2 GLU C 470 OE1 99.9 REMARK 620 3 GLU C 477 OE1 79.1 82.3 REMARK 620 4 GLU C 470 OE2 89.4 45.3 123.6 REMARK 620 5 ASN C 472 O 165.2 84.0 87.3 103.2 REMARK 620 6 VAL C 475 O 91.2 168.1 95.4 140.2 84.2 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 ASN D 772 O REMARK 620 2 VAL D 775 O 84.0 REMARK 620 3 GLU D 777 OE1 85.7 88.2 REMARK 620 4 GLU D 780 OE2 162.3 92.6 76.9 REMARK 620 5 GLU D 770 OE2 102.9 146.3 124.8 89.5 REMARK 620 6 GLU D 770 OE1 85.9 165.4 80.6 93.9 46.9 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 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 SEQADV 1EZS ALA A 68 UNP P23827 GLY 88 ENGINEERED SEQADV 1EZS ALA A 69 UNP P23827 TYR 89 ENGINEERED SEQADV 1EZS ALA A 70 UNP P23827 ASP 90 ENGINEERED SEQADV 1EZS ARG A 84 UNP P23827 MET 104 ENGINEERED SEQADV 1EZS ALA B 267 UNP P23827 TRP 87 ENGINEERED SEQADV 1EZS ALA B 268 UNP P23827 GLY 88 ENGINEERED SEQADV 1EZS ALA B 269 UNP P23827 TYR 89 ENGINEERED SEQADV 1EZS ALA B 270 UNP P23827 ASP 90 ENGINEERED SEQADV 1EZS ARG B 284 UNP P23827 MET 104 ENGINEERED SEQADV 1EZS ASP C 479 UNP P00763 ASN 84 SEE REMARK 999 SEQADV 1EZS ASN C 502 UNP P00763 ASP 107 ENGINEERED SEQADV 1EZS ASP D 779 UNP P00763 ASN 84 SEE REMARK 999 SEQADV 1EZS ASN D 802 UNP P00763 ASP 107 ENGINEERED 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 D 950 1 HET CA C 650 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 CA CA C 650 OE2 GLU C 480 1555 1555 2.42 LINK CA CA C 650 OE1 GLU C 470 1555 1555 2.31 LINK CA CA C 650 OE1 GLU C 477 1555 1555 2.49 LINK CA CA C 650 OE2 GLU C 470 1555 1555 3.11 LINK CA CA C 650 O ASN C 472 1555 1555 2.48 LINK CA CA C 650 O VAL C 475 1555 1555 2.56 LINK CA CA D 950 O ASN D 772 1555 1555 2.48 LINK CA CA D 950 O VAL D 775 1555 1555 2.63 LINK CA CA D 950 OE1 GLU D 777 1555 1555 2.52 LINK CA CA D 950 OE2 GLU D 780 1555 1555 2.42 LINK CA CA D 950 OE2 GLU D 770 1555 1555 2.96 LINK CA CA D 950 OE1 GLU D 770 1555 1555 2.43 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 MASTER 366 0 2 10 60 0 4 6 0 0 0 58 END