HEADER HYDROLASE/INHIBITOR 11-MAY-00 1EZU TITLE ECOTIN Y69F, D70P BOUND TO D102N TRYPSIN 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_VECTOR_TYPE: PLASMID; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PTACTACECOTIN; SOURCE 8 MOL_ID: 2; SOURCE 9 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 10 ORGANISM_COMMON: NORWAY RAT; SOURCE 11 ORGANISM_TAXID: 10116; SOURCE 12 TISSUE: PANCREAS; SOURCE 13 EXPRESSION_SYSTEM: SACCHAROMYCES CEREVISIAE; SOURCE 14 EXPRESSION_SYSTEM_COMMON: BAKER'S YEAST; SOURCE 15 EXPRESSION_SYSTEM_TAXID: 4932; SOURCE 16 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 17 EXPRESSION_SYSTEM_PLASMID: PYTD102N TRYPSIN KEYWDS MACROMOLECULAR COMPLEX, PROTEASE INHIBITOR, PROTEIN-PROTEIN KEYWDS 2 INTERACTIONS, 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 1EZU 1 REMARK SEQADV LINK REVDAT 3 24-FEB-09 1EZU 1 VERSN REVDAT 2 01-APR-03 1EZU 1 JRNL REVDAT 1 23-JUN-00 1EZU 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. 2.40 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) : 2.40 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) (%) : 92.5 REMARK 3 NUMBER OF REFLECTIONS : 30201 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) : 0.218 REMARK 3 FREE R VALUE : 0.265 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1506 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 : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.40 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.55 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 83.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4279 REMARK 3 BIN R VALUE (WORKING SET) : 0.3620 REMARK 3 BIN FREE R VALUE : 0.4030 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.70 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 213 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.028 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 5510 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 2 REMARK 3 SOLVENT ATOMS : 42 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 34.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 44.50 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) : 0.34 REMARK 3 ESD FROM SIGMAA (A) : 0.54 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) : 0.43 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.58 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.600 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.600 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) : 3.010 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.870 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.670 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 7.010 ; 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 1EZU COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 23-MAY-00. REMARK 100 THE DEPOSITION ID IS D_1000011070. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 18-DEC-96 REMARK 200 TEMPERATURE (KELVIN) : 298 REMARK 200 PH : 6.2 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 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 : 30337 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 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 (%) : 93.0 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.07800 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.40 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.49 REMARK 200 COMPLETENESS FOR SHELL (%) : 84.1 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.34600 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 (%): 53.48 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.64 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN: 15MG/ML IN 10MM TRIS PH 8.0 REMARK 280 WELL: 16.5% PEG 4K, 0.15 M SODIUM CACODYLATE, 0.3M SODIUM REMARK 280 ACETATE, PH 6.2, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K 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 41.37450 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 300 REMARK: THE BIOLOGICALLY RELEVANT ASSEMBLY IS THE SAME TWO-ECOTIN, REMARK 300 TWO TRYPSIN HETERO TETRAMER FORMING 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: 8660 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 30280 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 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 ALA B 201 REMARK 465 GLU B 202 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 SER A 3 OG REMARK 470 LYS A 9 CG CD CE NZ REMARK 470 LYS A 18 CG CD CE NZ REMARK 470 ASP A 89 CG OD1 OD2 REMARK 470 LYS A 91 CG CD CE NZ REMARK 470 SER B 203 OG REMARK 470 LYS B 209 CG CD CE NZ REMARK 470 LYS B 218 CG CD CE NZ REMARK 470 ASP B 289 CG OD1 OD2 REMARK 470 LYS B 291 CG CD CE NZ REMARK 470 ARG C 517 CG CD NE CZ NH1 NH2 REMARK 470 GLN C 639 CG CD OE1 NE2 REMARK 470 ARG D 817 CG CD NE CZ NH1 NH2 REMARK 470 GLN D 939 CG CD OE1 NE2 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 CYS C 442 CA - CB - SG ANGL. DEV. = 7.8 DEGREES REMARK 500 PRO C 530 C - N - CA ANGL. DEV. = 12.7 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 ASP A 49 -155.99 -67.30 REMARK 500 MET A 84 51.61 -113.05 REMARK 500 PRO A 88 -86.32 -55.98 REMARK 500 ASP B 249 -163.96 -79.11 REMARK 500 MET B 284 48.30 -105.48 REMARK 500 PRO B 288 -83.02 -66.67 REMARK 500 ASN C 425 53.60 26.63 REMARK 500 SER C 437 -95.12 -98.71 REMARK 500 ASP C 449 6.17 -57.42 REMARK 500 GLN C 450 -6.02 -142.50 REMARK 500 SER C 454 -152.09 -127.17 REMARK 500 HIS C 471 -51.39 -140.94 REMARK 500 SER C 509 -8.50 -58.82 REMARK 500 ASN C 515 -147.32 -154.78 REMARK 500 ASN C 543 148.76 -38.35 REMARK 500 LEU C 609 96.52 -66.34 REMARK 500 SER C 614 -69.83 -126.39 REMARK 500 ALA C 621 14.63 54.99 REMARK 500 GLU D 724 146.82 -39.97 REMARK 500 ASN D 725 55.40 29.67 REMARK 500 SER D 737 -96.63 -101.29 REMARK 500 ASP D 749 5.09 -53.52 REMARK 500 GLN D 750 -6.01 -140.88 REMARK 500 HIS D 771 -49.90 -145.83 REMARK 500 ASN D 815 -151.81 -155.73 REMARK 500 TRP D 841 48.20 -99.14 REMARK 500 ASN D 850 80.06 -151.47 REMARK 500 ASP D 889 -178.06 -175.48 REMARK 500 SER D 914 -60.43 -132.56 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 ASN C 472 O 73.1 REMARK 620 3 VAL C 475 O 112.3 80.4 REMARK 620 4 GLU C 477 OE2 113.5 87.0 126.0 REMARK 620 5 GLU C 480 OE1 97.1 163.9 115.5 85.2 REMARK 620 6 GLU C 480 OE2 86.2 146.2 83.3 126.2 41.6 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 OE1 REMARK 620 2 ASN D 772 O 68.4 REMARK 620 3 VAL D 775 O 97.3 84.0 REMARK 620 4 GLU D 777 OE2 106.0 96.8 155.3 REMARK 620 5 GLU D 780 OE2 74.1 134.5 76.1 118.0 REMARK 620 N 1 2 3 4 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA C 650 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA D 950 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: 1EZS RELATED DB: PDB REMARK 900 1EZS CONTAINS MUTANT ECOTIN BOUND TO MUTANT TRYPSIN DBREF 1EZU A 1 142 UNP P23827 ECOT_ECOLI 21 162 DBREF 1EZU B 201 342 UNP P23827 ECOT_ECOLI 21 162 DBREF 1EZU C 416 645 UNP P00763 TRY2_RAT 24 246 DBREF 1EZU D 716 945 UNP P00763 TRY2_RAT 24 246 SEQADV 1EZU PHE A 69 UNP P23827 TYR 89 ENGINEERED MUTATION SEQADV 1EZU PRO A 70 UNP P23827 ASP 90 ENGINEERED MUTATION SEQADV 1EZU PHE B 269 UNP P23827 TYR 89 ENGINEERED MUTATION SEQADV 1EZU PRO B 270 UNP P23827 ASP 90 ENGINEERED MUTATION SEQADV 1EZU ASP C 479 UNP P00763 ASN 84 SEE REMARK 999 SEQADV 1EZU ASN C 502 UNP P00763 ASP 107 ENGINEERED MUTATION SEQADV 1EZU ASP D 779 UNP P00763 ASN 84 SEE REMARK 999 SEQADV 1EZU 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 TRP GLY PHE PRO TYR TYR VAL PHE ASP LYS VAL SER SEQRES 7 A 142 SER PRO VAL SER THR MET 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 TRP GLY PHE PRO TYR TYR VAL PHE ASP LYS VAL SER SEQRES 7 B 142 SER PRO VAL SER THR MET 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 *42(H2 O) HELIX 1 1 PRO A 6 ILE A 10 5 5 HELIX 2 2 ASP A 32 SER A 34 5 3 HELIX 3 3 LEU A 101 ALA A 104 5 4 HELIX 4 4 PRO B 206 ILE B 210 5 5 HELIX 5 5 ASP B 232 SER B 234 5 3 HELIX 6 6 LEU B 301 ALA B 304 5 4 HELIX 7 7 ALA C 455 TYR C 459 5 5 HELIX 8 8 PRO C 564 TYR C 572 1 9 HELIX 9 9 VAL C 631 ASN C 633 5 3 HELIX 10 10 TYR C 634 ASN C 645 1 12 HELIX 11 11 ALA D 755 TYR D 759 5 5 HELIX 12 12 PRO D 864 TYR D 872 1 9 HELIX 13 13 TYR D 934 ASN D 945 1 12 SHEET 1 A15 TYR D 720 THR D 721 0 SHEET 2 A15 GLN D 856 PRO D 861 -1 N CYS D 857 O TYR D 720 SHEET 3 A15 GLN D 835 GLY D 840 -1 O CYS D 836 N ALA D 860 SHEET 4 A15 PRO D 898 CYS D 901 -1 O PRO D 898 N SER D 839 SHEET 5 A15 GLU D 904 GLY D 916 -1 O GLU D 904 N CYS D 901 SHEET 6 A15 GLY D 926 LYS D 930 -1 N VAL D 927 O TRP D 915 SHEET 7 A15 MET D 880 VAL D 883 -1 O VAL D 881 N TYR D 928 SHEET 8 A15 GLY D 926 LYS D 930 -1 O GLY D 926 N VAL D 883 SHEET 9 A15 GLU D 904 GLY D 916 -1 O ILE D 912 N THR D 929 SHEET 10 A15 PRO A 70 THR A 83 -1 N SER A 82 O GLY D 916 SHEET 11 A15 HIS A 53 THR A 63 -1 O ARG A 54 N VAL A 81 SHEET 12 A15 PRO A 70 THR A 83 -1 N TYR A 71 O LYS A 62 SHEET 13 A15 ILE A 115 PRO A 120 1 O VAL A 116 N TYR A 72 SHEET 14 A15 MET A 20 ILE A 25 -1 N LYS A 21 O THR A 119 SHEET 15 A15 VAL B 340 VAL B 341 -1 N VAL B 340 O VAL A 24 SHEET 1 B14 GLU B 293 THR B 298 0 SHEET 2 B14 LEU B 236 VAL B 248 -1 O GLN B 244 N VAL B 297 SHEET 3 B14 MET B 306 ARG B 308 -1 N LEU B 307 O VAL B 238 SHEET 4 B14 LEU B 236 VAL B 248 -1 O VAL B 238 N LEU B 307 SHEET 5 B14 ASP B 324 ALA B 332 -1 N ASP B 324 O GLY B 243 SHEET 6 B14 ASP A 137 ASN A 138 -1 N ASP A 137 O TYR B 327 SHEET 7 B14 ASP B 324 ALA B 332 -1 O TYR B 327 N ASP A 137 SHEET 8 B14 ASP A 124 ALA A 132 -1 O LYS A 131 N LYS B 331 SHEET 9 B14 ASP B 337 ASN B 338 -1 N ASP B 337 O TYR A 127 SHEET 10 B14 ASP A 124 ALA A 132 -1 O TYR A 127 N ASP B 337 SHEET 11 B14 LEU A 36 VAL A 48 -1 O LYS A 37 N TRP A 130 SHEET 12 B14 GLU A 93 THR A 98 -1 O GLU A 93 N VAL A 48 SHEET 13 B14 LEU A 36 VAL A 48 -1 O GLN A 44 N VAL A 97 SHEET 14 B14 MET A 106 ARG A 108 -1 N LEU A 107 O VAL A 38 SHEET 1 C 5 VAL A 140 VAL A 141 0 SHEET 2 C 5 MET B 220 ILE B 225 -1 N VAL B 224 O VAL A 140 SHEET 3 C 5 ILE B 315 PRO B 320 -1 O ILE B 315 N ILE B 225 SHEET 4 C 5 PRO B 270 ASP B 275 1 N TYR B 272 O VAL B 316 SHEET 5 C 5 LYS B 258 THR B 263 -1 N LYS B 258 O 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 THR C 629 -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 O MET C 504 N SER C 454 SHEET 7 E 7 GLN C 481 LYS C 490 -1 N ALA C 486 O LYS C 507 SHEET 1 F 7 GLN D 781 LYS D 790 0 SHEET 2 F 7 GLN D 764 LEU D 768 -1 N VAL D 765 O VAL D 783 SHEET 3 F 7 GLN D 730 ASN D 734 -1 O SER D 732 N ARG D 766 SHEET 4 F 7 HIS D 740 ASN D 748 -1 N PHE D 741 O LEU D 733 SHEET 5 F 7 TRP D 751 SER D 754 -1 O TRP D 751 N ILE D 747 SHEET 6 F 7 MET D 804 LEU D 808 -1 N MET D 804 O SER D 754 SHEET 7 F 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 2.04 SSBOND 2 CYS B 250 CYS B 287 1555 1555 2.04 SSBOND 3 CYS C 422 CYS C 557 1555 1555 2.01 SSBOND 4 CYS C 442 CYS C 458 1555 1555 2.03 SSBOND 5 CYS C 528 CYS C 632 1555 1555 2.02 SSBOND 6 CYS C 536 CYS C 601 1555 1555 2.02 SSBOND 7 CYS C 568 CYS C 582 1555 1555 2.04 SSBOND 8 CYS C 591 CYS C 620 1555 1555 2.02 SSBOND 9 CYS D 722 CYS D 857 1555 1555 2.05 SSBOND 10 CYS D 742 CYS D 758 1555 1555 2.04 SSBOND 11 CYS D 828 CYS D 932 1555 1555 2.01 SSBOND 12 CYS D 836 CYS D 901 1555 1555 2.00 SSBOND 13 CYS D 868 CYS D 882 1555 1555 2.03 SSBOND 14 CYS D 891 CYS D 920 1555 1555 2.04 LINK OE1 GLU C 470 CA CA C 650 1555 1555 2.77 LINK O ASN C 472 CA CA C 650 1555 1555 2.39 LINK O VAL C 475 CA CA C 650 1555 1555 2.50 LINK OE2 GLU C 477 CA CA C 650 1555 1555 2.77 LINK OE1 GLU C 480 CA CA C 650 1555 1555 3.30 LINK OE2 GLU C 480 CA CA C 650 1555 1555 2.48 LINK OE1 GLU D 770 CA CA D 950 1555 1555 3.11 LINK O ASN D 772 CA CA D 950 1555 1555 2.40 LINK O VAL D 775 CA CA D 950 1555 1555 2.74 LINK OE2 GLU D 777 CA CA D 950 1555 1555 2.85 LINK OE2 GLU D 780 CA CA D 950 1555 1555 2.74 SITE 1 AC1 5 GLU C 470 ASN C 472 VAL C 475 GLU C 477 SITE 2 AC1 5 GLU C 480 SITE 1 AC2 5 GLU D 770 ASN D 772 VAL D 775 GLU D 777 SITE 2 AC2 5 GLU D 780 CRYST1 62.920 82.749 81.752 90.00 97.24 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 0.015893 0.000000 0.002020 0.00000 SCALE2 0.000000 0.012085 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012331 0.00000