PDB Short entry for 1ELD HEADER HYDROLASE/HYDROLASE INHIBITOR 24-OCT-94 1ELD TITLE STRUCTURAL ANALYSIS OF THE ACTIVE SITE OF PORCINE PANCREATIC ELASTASE TITLE 2 BASED ON THE X-RAY CRYSTAL STRUCTURES OF COMPLEXES WITH TITLE 3 TRIFLUOROACETYL-DIPEPTIDE-ANILIDE INHIBITORS COMPND MOL_ID: 1; COMPND 2 MOLECULE: ELASTASE; COMPND 3 CHAIN: E; COMPND 4 EC: 3.4.21.36; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: PIG; SOURCE 4 ORGANISM_TAXID: 9823; SOURCE 5 ORGAN: PANCREAS KEYWDS HYDROLASE-HYDROLASE INHIBITOR COMPLEX, SERINE PROTEINASE EXPDTA X-RAY DIFFRACTION AUTHOR C.MATTOS,G.A.PETSKO,D.RINGE REVDAT 3 13-JUL-11 1ELD 1 VERSN REVDAT 2 24-FEB-09 1ELD 1 VERSN REVDAT 1 14-FEB-95 1ELD 0 JRNL AUTH C.MATTOS,D.A.GIAMMONA,G.A.PETSKO,D.RINGE JRNL TITL STRUCTURAL ANALYSIS OF THE ACTIVE SITE OF PORCINE PANCREATIC JRNL TITL 2 ELASTASE BASED ON THE X-RAY CRYSTAL STRUCTURES OF COMPLEXES JRNL TITL 3 WITH TRIFLUOROACETYL-DIPEPTIDE-ANILIDE INHIBITORS. JRNL REF BIOCHEMISTRY V. 34 3193 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7880814 JRNL DOI 10.1021/BI00010A008 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.MATTOS,B.RASMUSSEN,X.DING,G.A.PETSKO,D.RINGE REMARK 1 TITL ANALOGOUS INHIBITORS OF ELASTASE DO NOT ALWAYS BIND REMARK 1 TITL 2 ANALOGOUSLY REMARK 1 REF NAT.STRUCT.BIOL. V. 1 55 1994 REMARK 1 REFN ISSN 1072-8368 REMARK 1 REFERENCE 2 REMARK 1 AUTH I.LI DE LA SIERRA,E.PAPAMICHAEL,C.SAKARELOS,J.-L.DIMICOLI, REMARK 1 AUTH 2 T.PRANGE REMARK 1 TITL INTERACTION OF THE PEPTIDE CF3-LEU-ALA-NH-C6H4-CF3(TFLA) REMARK 1 TITL 2 WITH PORCINE PANCREATIC ELASTASE. X-RAY STUDIES AT 1.8 REMARK 1 TITL 3 ANGSTROMS REMARK 1 REF J.MOL.RECOG. V. 3 36 1990 REMARK 1 REFN ISSN 0952-3499 REMARK 1 REFERENCE 3 REMARK 1 AUTH E.MEYER,G.COLE,R.RADHAKRISHNAN,O.EPP REMARK 1 TITL STRUCTURE OF NATIVE PORCINE PANCREATIC ELASTASE AT 1.65 REMARK 1 TITL 2 ANGSTROMS RESOLUTION REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 44 26 1988 REMARK 1 REFN ISSN 0108-7681 REMARK 1 REFERENCE 4 REMARK 1 AUTH E.MEYER,R.RADHAKRISHNAN,G.COLE,L.G.PRESTA REMARK 1 TITL STRUCTURE OF THE PRODUCT COMPLEX OF ACETYL-ALA-PRO-ALA WITH REMARK 1 TITL 2 PORCINE PANCREATIC ELASTASE AT 1.65 ANGSTROMS RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 189 533 1986 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 5 REMARK 1 AUTH D.L.HUGHES,L.C.DIECKER,L.C.BIETH,J.-L.DIMICOLI REMARK 1 TITL CRYSTALLOGRAPHIC STUDY OF THE BINDING OF A TRI-FLUOROACETYL REMARK 1 TITL 2 DIPEPTIDE ANILIDE INHIBITOR WITH ELASTASE REMARK 1 REF J.MOL.BIOL. V. 162 645 1982 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 6 REMARK 1 AUTH J.-L.DIMICOLI,A.RENAUD,J.BIETH REMARK 1 TITL THE INDIRECT MECHANISM OF ACTION OF THE TRIFLUOROACETYL REMARK 1 TITL 2 PEPTIDES ON ELASTASE REMARK 1 REF EUR.J.BIOCHEM. V. 107 423 1980 REMARK 1 REFN ISSN 0014-2956 REMARK 1 REFERENCE 7 REMARK 1 AUTH L.SAWYER,C.M.SHOTTON,J.W.CAMPBELL,P.L.WENDELL,H.MUIRHEAD, REMARK 1 AUTH 2 H.C.WATSON,R.DIAMOND,R.C.LADNER REMARK 1 TITL THE ATOMIC STRUCTURE OF CRYSTALLINE PORCINE PANCREATIC REMARK 1 TITL 2 ELASTASE AT 2.5 ANGSTROMS RESOLUTION. COMPARISONS WITH THE REMARK 1 TITL 3 STRUCTURE OF ALPHA-CHYMOTRYPSIN REMARK 1 REF J.MOL.BIOL. V. 118 137 1978 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : NULL 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) : 0.196 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 : 1822 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 38 REMARK 3 SOLVENT ATOMS : 133 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL 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) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL 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) : NULL REMARK 3 BOND ANGLES (DEGREES) : NULL REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1ELD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 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 : NULL REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : NULL REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : NULL REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : NULL REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : NULL REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL 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 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.59 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: THE COMPLEX WAS CO-CRYSTALLIZED. THE REMARK 280 CO-CRYSTALS WERE GROWN BY THE METHOD OF VAPOR DIFFUSION IN 40 REMARK 280 MICROLITER DROPS CONTAINING 7MG/ML OF ELASTASE, 0.1 MILLIMOLAR REMARK 280 TFA-PHE-ALA-TFM, 1.4 MILLIMOLAR SODIUM SULFATE AND 100 MILLIMOLAR REMARK 280 SODIUM ACETATE AT PH 5. THE RESERVOIR CONSISTED OF 100 MILLIMOLAR REMARK 280 SODIUM SULFATE AND 100 MILLIMOLAR ACETATE BUFFER AT PH 5. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 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 26.01500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.65950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.88000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.65950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.01500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.88000 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: E 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 C5 0Z0 E 256 O HOH E 651 2.06 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 HIS E 43 NE2 HIS E 43 CD2 -0.066 REMARK 500 HIS E 60 NE2 HIS E 60 CD2 -0.076 REMARK 500 HIS E 75 NE2 HIS E 75 CD2 -0.069 REMARK 500 HIS E 95 NE2 HIS E 95 CD2 -0.067 REMARK 500 HIS E 208 NE2 HIS E 208 CD2 -0.068 REMARK 500 REMARK 500 REMARK: NULL 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 ARG E 24 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 TRP E 27 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP E 27 CE2 - CD2 - CG ANGL. DEV. = -6.5 DEGREES REMARK 500 TRP E 27 CG - CD2 - CE3 ANGL. DEV. = 5.6 DEGREES REMARK 500 TRP E 41 CD1 - CG - CD2 ANGL. DEV. = 7.4 DEGREES REMARK 500 TRP E 41 CE2 - CD2 - CG ANGL. DEV. = -5.7 DEGREES REMARK 500 TRP E 54 CD1 - CG - CD2 ANGL. DEV. = 5.2 DEGREES REMARK 500 TRP E 54 CE2 - CD2 - CG ANGL. DEV. = -5.1 DEGREES REMARK 500 ARG E 64 NE - CZ - NH1 ANGL. DEV. = 4.6 DEGREES REMARK 500 ARG E 64 NE - CZ - NH2 ANGL. DEV. = -4.3 DEGREES REMARK 500 TRP E 98 CD1 - CG - CD2 ANGL. DEV. = 5.3 DEGREES REMARK 500 TRP E 98 CE2 - CD2 - CG ANGL. DEV. = -5.4 DEGREES REMARK 500 CYS E 142 CA - CB - SG ANGL. DEV. = 7.3 DEGREES REMARK 500 TRP E 147 CD1 - CG - CD2 ANGL. DEV. = 6.2 DEGREES REMARK 500 TRP E 147 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 THR E 167 N - CA - CB ANGL. DEV. = -15.2 DEGREES REMARK 500 TYR E 178 CB - CG - CD1 ANGL. DEV. = -3.7 DEGREES REMARK 500 TRP E 179 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP E 179 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 VAL E 183 CG1 - CB - CG2 ANGL. DEV. = -11.2 DEGREES REMARK 500 ARG E 196 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 ARG E 226 NE - CZ - NH1 ANGL. DEV. = 4.6 DEGREES REMARK 500 ARG E 226 NE - CZ - NH2 ANGL. DEV. = -5.1 DEGREES REMARK 500 ARG E 233 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG E 240 CG - CD - NE ANGL. DEV. = -15.8 DEGREES REMARK 500 ARG E 240 NE - CZ - NH1 ANGL. DEV. = 7.1 DEGREES REMARK 500 ARG E 240 NE - CZ - NH2 ANGL. DEV. = -7.6 DEGREES REMARK 500 TRP E 247 CD1 - CG - CD2 ANGL. DEV. = 5.4 DEGREES REMARK 500 TRP E 247 CE2 - CD2 - CG ANGL. DEV. = -4.9 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 HIS E 75 -50.15 -133.19 REMARK 500 TYR E 178 -117.11 -97.72 REMARK 500 PRO E 235 153.57 -48.62 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 E 280 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ASN E 76 O REMARK 620 2 GLU E 74 OE1 71.3 REMARK 620 3 HOH E 327 O 104.2 107.7 REMARK 620 4 GLU E 84 OE2 171.3 103.7 84.0 REMARK 620 5 GLN E 79 O 85.4 152.9 91.0 97.5 REMARK 620 6 ASN E 81 OD1 85.1 74.2 170.6 86.6 90.6 REMARK 620 N 1 2 3 4 5 REMARK 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: N-(TRIFLUOROACETYL)-L-PHENYLALANYL-N-[4- REMARK 630 (TRIFLUOROMETHYL)PHENYL]-L-ALANINAMIDE REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 630 SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 630 REMARK 630 M RES C SSSEQI REMARK 630 0Z0 E 256 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: TFA PHE ALA ANI REMARK 630 DETAILS: NULL REMARK 700 REMARK 700 SHEET REMARK 700 THE TWO SEVEN-STRANDED SHEETS IN THIS STRUCTURE ARE REALLY REMARK 700 SIX-STRANDED BETA BARRELS. THIS IS DENOTED BY THE FIRST REMARK 700 STRAND RECURRING AS THE LAST STRAND. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 0Z0 E 256 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA E 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACY E 300 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1ELE RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE IDENTITY OF ASN A 81 AGREES WITH THE SEQUENCES OF REMARK 999 SEVERAL OTHER ELASTASE STRUCTURES. THE AUTHORS THEREFORE REMARK 999 BELIEVE IT TO BE CORRECT. DBREF 1ELD E 16 255 UNP P00772 EL1_PIG 27 266 SEQADV 1ELD ASN E 81 UNP P00772 ASP 92 CONFLICT SEQRES 1 E 240 VAL VAL GLY GLY THR GLU ALA GLN ARG ASN SER TRP PRO SEQRES 2 E 240 SER GLN ILE SER LEU GLN TYR ARG SER GLY SER SER TRP SEQRES 3 E 240 ALA HIS THR CYS GLY GLY THR LEU ILE ARG GLN ASN TRP SEQRES 4 E 240 VAL MET THR ALA ALA HIS CYS VAL ASP ARG GLU LEU THR SEQRES 5 E 240 PHE ARG VAL VAL VAL GLY GLU HIS ASN LEU ASN GLN ASN SEQRES 6 E 240 ASN GLY THR GLU GLN TYR VAL GLY VAL GLN LYS ILE VAL SEQRES 7 E 240 VAL HIS PRO TYR TRP ASN THR ASP ASP VAL ALA ALA GLY SEQRES 8 E 240 TYR ASP ILE ALA LEU LEU ARG LEU ALA GLN SER VAL THR SEQRES 9 E 240 LEU ASN SER TYR VAL GLN LEU GLY VAL LEU PRO ARG ALA SEQRES 10 E 240 GLY THR ILE LEU ALA ASN ASN SER PRO CYS TYR ILE THR SEQRES 11 E 240 GLY TRP GLY LEU THR ARG THR ASN GLY GLN LEU ALA GLN SEQRES 12 E 240 THR LEU GLN GLN ALA TYR LEU PRO THR VAL ASP TYR ALA SEQRES 13 E 240 ILE CYS SER SER SER SER TYR TRP GLY SER THR VAL LYS SEQRES 14 E 240 ASN SER MET VAL CYS ALA GLY GLY ASP GLY VAL ARG SER SEQRES 15 E 240 GLY CYS GLN GLY ASP SER GLY GLY PRO LEU HIS CYS LEU SEQRES 16 E 240 VAL ASN GLY GLN TYR ALA VAL HIS GLY VAL THR SER PHE SEQRES 17 E 240 VAL SER ARG LEU GLY CYS ASN VAL THR ARG LYS PRO THR SEQRES 18 E 240 VAL PHE THR ARG VAL SER ALA TYR ILE SER TRP ILE ASN SEQRES 19 E 240 ASN VAL ILE ALA SER ASN HET 0Z0 E 256 33 HET CA E 280 1 HET ACY E 300 4 HETNAM 0Z0 N-(TRIFLUOROACETYL)-L-PHENYLALANYL-N-[4- HETNAM 2 0Z0 (TRIFLUOROMETHYL)PHENYL]-L-ALANINAMIDE HETNAM CA CALCIUM ION HETNAM ACY ACETIC ACID HETSYN 0Z0 TFAP FORMUL 2 0Z0 C21 H19 F6 N3 O3 FORMUL 3 CA CA 2+ FORMUL 4 ACY C2 H4 O2 FORMUL 5 HOH *133(H2 O) HELIX 1 H1 ASP E 169 SER E 175 1 7 HELIX 2 H2 TYR E 244 ASN E 255 1 12 SHEET 1 S1 7 SER E 29 SER E 37 0 SHEET 2 S1 7 SER E 40 ILE E 50 -1 SHEET 3 S1 7 ASN E 53 ALA E 59 -1 SHEET 4 S1 7 ASP E 108 GLN E 116 -1 SHEET 5 S1 7 GLU E 84 HIS E 95 -1 SHEET 6 S1 7 PHE E 68 GLY E 73 -1 SHEET 7 S1 7 SER E 29 SER E 37 -1 SHEET 1 S2 7 ASN E 139 THR E 150 0 SHEET 2 S2 7 GLY E 154 VAL E 168 -1 SHEET 3 S2 7 SER E 186 VAL E 195 -1 SHEET 4 S2 7 ASN E 230 VAL E 241 -1 SHEET 5 S2 7 HIS E 218 VAL E 224 -1 SHEET 6 S2 7 SER E 203 CYS E 209 -1 SHEET 7 S2 7 ASN E 139 THR E 150 -1 SHEET 1 S3 3 GLY E 154 ALA E 157 0 SHEET 2 S3 3 TRP E 147 LEU E 149 -1 SHEET 3 S3 3 GLN E 200 ASP E 202 -1 SSBOND 1 CYS E 45 CYS E 61 1555 1555 2.03 SSBOND 2 CYS E 142 CYS E 209 1555 1555 1.98 SSBOND 3 CYS E 173 CYS E 189 1555 1555 1.99 SSBOND 4 CYS E 199 CYS E 229 1555 1555 2.02 LINK CA CA E 280 O ASN E 76 1555 1555 2.44 LINK CA CA E 280 OE1 GLU E 74 1555 1555 2.51 LINK CA CA E 280 O HOH E 327 1555 1555 2.40 LINK CA CA E 280 OE2 GLU E 84 1555 1555 2.50 LINK CA CA E 280 O GLN E 79 1555 1555 2.41 LINK CA CA E 280 OD1 ASN E 81 1555 1555 2.56 SITE 1 AC1 17 HIS E 60 GLU E 65 LEU E 66 VAL E 103 SITE 2 AC1 17 ALA E 104 THR E 182 CYS E 199 GLN E 200 SITE 3 AC1 17 SER E 203 THR E 221 SER E 222 PHE E 223 SITE 4 AC1 17 VAL E 224 ARG E 226 ACY E 300 HOH E 642 SITE 5 AC1 17 HOH E 651 SITE 1 AC2 6 GLU E 74 ASN E 76 GLN E 79 ASN E 81 SITE 2 AC2 6 GLU E 84 HOH E 327 SITE 1 AC3 7 THR E 44 HIS E 60 GLN E 200 GLY E 201 SITE 2 AC3 7 SER E 203 0Z0 E 256 HOH E 647 CRYST1 52.030 57.760 75.319 90.00 90.00 90.00 P 21 21 21 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 0.019220 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017313 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013277 0.00000