PDB Short entry for 1E37 HEADER HYDROLASE(SERINE PROTEASE) 06-JUN-00 1E37 TITLE PORCINE PANCREATIC ELASTASE COMPLEXED WITH (3S, 4S)N-PARA- TITLE 2 NITROBENZENESULPHONYL -3-ETHYL-4-(CARBOXYLIC ACID)PYRROLIDIN-2-ONE TITLE 3 SOAKED IN PH 9 BUFFER FOR 1 MINUTE COMPND MOL_ID: 1; COMPND 2 MOLECULE: ELASTASE; COMPND 3 CHAIN: B; COMPND 4 SYNONYM: PPE (PORCINE PANCREATIC ELASTASE); COMPND 5 EC: 3.4.21.36 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SUS SCROFA; SOURCE 3 ORGANISM_COMMON: WILD BOAR; SOURCE 4 ORGANISM_TAXID: 9823; SOURCE 5 ORGAN: PANCREAS KEYWDS HYDROLASE(SERINE PROTEASE), SERINE PROTEASE, HYDROLASE, SERINE KEYWDS 2 PROTEINASE EXPDTA X-RAY DIFFRACTION AUTHOR P.A.WRIGHT,R.C.WILMOUTH,I.J.CLIFTON,C.J.SCHOFIELD REVDAT 4 06-DEC-23 1E37 1 REMARK LINK REVDAT 3 24-FEB-09 1E37 1 VERSN REVDAT 2 24-JUN-03 1E37 1 REMARK HET HETNAM SSBOND REVDAT 2 2 1 LINK SITE CONECT REVDAT 1 18-OCT-00 1E37 0 JRNL AUTH P.A.WRIGHT,R.C.WILMOUTH,I.J.CLIFTON,C.J.SCHOFIELD JRNL TITL 'PH-JUMP' CRYSTALLOGRAPHIC ANALYSES OF GAMMA-LACTAM-PORCINE JRNL TITL 2 PANCREATIC ELASTASE COMPLEXES JRNL REF BIOCHEM.J. V. 351 335 2000 JRNL REFN ISSN 0264-6021 JRNL PMID 11023818 JRNL DOI 10.1042/0264-6021:3510335 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH R.C.WILMOUTH,S.KASSAMALLY,N.J.WESTWOOD,R.J.SHEPPARD, REMARK 1 AUTH 2 T.D.W.CLARIDGE,R.T.APLIN,P.A.WRIGHT,G.J.PRITCHARD, REMARK 1 AUTH 3 C.J.SCHOFIELD REMARK 1 TITL MECHANISTIC INSIGHTS INTO THE INHIBITION OF SERINE PROTEASES REMARK 1 TITL 2 BY MONOCYCLIC LACTAMS REMARK 1 REF BIOCHEMISTRY V. 38 7989 1999 REMARK 1 REFN ISSN 0006-2960 REMARK 1 PMID 10387042 REMARK 1 DOI 10.1021/BI990098Y REMARK 1 REFERENCE 2 REMARK 1 AUTH R.C.WILMOUTH,N.J.WESTWOOD,K.ANDERSON,W.BROWNLEE, REMARK 1 AUTH 2 T.D.W.CLARIDGE,I.J.CLIFTON,G.J.PRITCHARD,R.T.APLIN, REMARK 1 AUTH 3 C.J.SCHOFIELD REMARK 1 TITL INHIBITION OF ELASTASE BY N-SULFONYLARYL BETA-LACTAMS: REMARK 1 TITL 2 ANATOMY OF A STABLE ACYL-ENZYME COMPLEX REMARK 1 REF BIOCHEMISTRY V. 37 17506 1998 REMARK 1 REFN ISSN 0006-2960 REMARK 1 PMID 9860865 REMARK 1 DOI 10.1021/BI9816249 REMARK 1 REFERENCE 3 REMARK 1 AUTH R.C.WILMOUTH,I.J.CLIFTON,C.V.ROBINSON,P.L.ROACH,R.T.APLIN, REMARK 1 AUTH 2 N.J.WESTWOOD,J.HAJDU,C.J.SCHOFIELD REMARK 1 TITL STRUCTURE OF A SPECIFIC ACYL-ENZYME COMPLEX FORMED BETWEEN REMARK 1 TITL 2 BETA-CASOMORPHIN-7 AND PORCINE PANCREATIC ELASTASE REMARK 1 REF NAT.STRUCT.BIOL. V. 4 456 1997 REMARK 1 REFN ISSN 1072-8368 REMARK 1 PMID 9187653 REMARK 1 DOI 10.1038/NSB0697-456 REMARK 1 REFERENCE 4 REMARK 1 AUTH E.MEYER,G.COLE,R.RADHAKRISHNAN,O.EPP REMARK 1 TITL STRUCTURE OF NATIVE PORCINE PANCREATIC ELASTASE AT 1.65 A REMARK 1 TITL 2 RESOLUTION REMARK 1 REF ACTA CRYSTALLOGR.,SECT.B V. 44 26 1988 REMARK 1 REFN ISSN 0108-7681 REMARK 1 PMID 3271103 REMARK 1 DOI 10.1107/S0108768187007559 REMARK 2 REMARK 2 RESOLUTION. 1.75 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.75 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.80 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.5 REMARK 3 NUMBER OF REFLECTIONS : 22426 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.198 REMARK 3 FREE R VALUE : 0.230 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.000 REMARK 3 FREE R VALUE TEST SET COUNT : 940 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 : 29 REMARK 3 SOLVENT ATOMS : 124 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 21.00 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.70 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 7.40000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.31400 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : -7.60000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.136 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.125 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.080 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.450 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : 0.012 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.029 ; 0.040 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.030 ; 0.050 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.156 ; 0.150 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.176 ; 0.300 REMARK 3 MULTIPLE TORSION (A) : 0.251 ; 0.300 REMARK 3 H-BOND (X...Y) (A) : 0.146 ; 0.300 REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : 0.000 ; 15.000 REMARK 3 PLANAR (DEGREES) : 4.000 ; 7.000 REMARK 3 STAGGERED (DEGREES) : 14.700; 15.000 REMARK 3 TRANSVERSE (DEGREES) : 23.900; 20.000 REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.557 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.206 ; 3.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.923 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.930 ; 3.000 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: SHELX ALSO USED REMARK 4 REMARK 4 1E37 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 06-JUN-00. REMARK 100 THE DEPOSITION ID IS D_1290005018. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUL-98 REMARK 200 TEMPERATURE (KELVIN) : 100.0 REMARK 200 PH : 9.00 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : BM14 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.826 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 22447 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.750 REMARK 200 RESOLUTION RANGE LOW (A) : 19.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.2 REMARK 200 DATA REDUNDANCY : 3.000 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : 0.07500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.5200 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.75 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.84 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.2 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.25900 REMARK 200 R SYM FOR SHELL (I) : 0.25900 REMARK 200 <I/SIGMA(I)> FOR SHELL : 2.800 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR REMARK 200 STARTING MODEL: 3EST REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 30.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 25MM SODIUM SULPHATE, 25MM SODIUM REMARK 280 ACETATE, PH 5.0; THEN SOAKED IN 25 MM SODIUM SULPHATE, 50MM REMARK 280 SODIUM ACETATE, 20 MG/ML GAMMA-LACTAM, 10% (V/V) DMSO, PH 5.0 REMARK 280 FOR 24 HOURS, PH 9.00 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 25.46500 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.37000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.98000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.37000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.46500 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.98000 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PQS REMARK 350 APPLY THE FOLLOWING TO CHAINS: B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 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 SER B 195 CB SER B 195 OG 0.079 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 B 48 NE - CZ - NH2 ANGL. DEV. = -3.4 DEGREES REMARK 500 ARG B 61 CD - NE - CZ ANGL. DEV. = 15.1 DEGREES REMARK 500 ARG B 188A NE - CZ - NH1 ANGL. DEV. = -3.8 DEGREES REMARK 500 ARG B 188A NE - CZ - NH2 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG B 217A NE - CZ - NH1 ANGL. DEV. = 3.3 DEGREES REMARK 500 ARG B 217A NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG B 230 NE - CZ - NH2 ANGL. DEV. = -3.2 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 B 71 -52.55 -134.16 REMARK 500 ASN B 115 -167.27 -165.00 REMARK 500 TYR B 171 -114.83 -93.17 REMARK 500 VAL B 188 -51.55 -121.49 REMARK 500 SER B 214 -50.17 -121.24 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 B 260 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU B 70 OE1 REMARK 620 2 GLU B 70 OE2 46.6 REMARK 620 3 ASN B 72 O 87.5 87.4 REMARK 620 4 GLN B 75 O 163.0 147.3 84.4 REMARK 620 5 ASN B 77 OD1 76.5 123.0 86.4 88.0 REMARK 620 6 GLU B 80 OE2 95.0 98.8 173.4 91.6 88.3 REMARK 620 7 HOH B2031 O 120.0 73.9 97.7 75.9 162.9 86.3 REMARK 620 N 1 2 3 4 5 6 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA B 260 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 270 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TPY B 280 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3EST RELATED DB: PDB REMARK 900 HYDROLASE(SERINE PROTEINASE) REMARK 900 RELATED ID: 1QGF RELATED DB: PDB REMARK 900 RELATED ID: 1E34 RELATED DB: PDB REMARK 900 RELATED ID: 1E35 RELATED DB: PDB REMARK 900 RELATED ID: 1E36 RELATED DB: PDB REMARK 900 RELATED ID: 1E38 RELATED DB: PDB REMARK 900 RELATED ID: 1EST RELATED DB: PDB REMARK 900 RELATED ID: 2EST RELATED DB: PDB REMARK 900 RELATED ID: 4EST RELATED DB: PDB REMARK 900 RELATED ID: 5EST RELATED DB: PDB REMARK 900 RELATED ID: 6EST RELATED DB: PDB REMARK 900 RELATED ID: 7EST RELATED DB: PDB REMARK 900 RELATED ID: 8EST RELATED DB: PDB REMARK 900 RELATED ID: 9EST RELATED DB: PDB REMARK 900 RELATED ID: 1INC RELATED DB: PDB REMARK 900 RELATED ID: 1JIM RELATED DB: PDB REMARK 900 RELATED ID: 1ELA RELATED DB: PDB REMARK 900 RELATED ID: 1ELB RELATED DB: PDB REMARK 900 RELATED ID: 1ELC RELATED DB: PDB REMARK 900 RELATED ID: 1ELD RELATED DB: PDB REMARK 900 RELATED ID: 1ELE RELATED DB: PDB REMARK 900 RELATED ID: 1ELF RELATED DB: PDB REMARK 900 RELATED ID: 1ELG RELATED DB: PDB REMARK 900 RELATED ID: 1ESA RELATED DB: PDB REMARK 900 RELATED ID: 1ESB RELATED DB: PDB REMARK 900 RELATED ID: 1EAI RELATED DB: PDB REMARK 900 RELATED ID: 1EAS RELATED DB: PDB REMARK 900 RELATED ID: 1EAT RELATED DB: PDB REMARK 900 RELATED ID: 1EAU RELATED DB: PDB REMARK 900 RELATED ID: 1BMA RELATED DB: PDB REMARK 900 RELATED ID: 1LVY RELATED DB: PDB REMARK 900 RELATED ID: 1NES RELATED DB: PDB REMARK 900 RELATED ID: 1B0E RELATED DB: PDB REMARK 900 RELATED ID: 1BTU RELATED DB: PDB REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE SEQUENCE USED FOR THIS STRUCTURE IS THE SAME REMARK 999 AS THAT OF NATIVE PORCINE PANCREATIC ELASTASE (3EST). DBREF 1E37 B 16 245 UNP P00772 EL1_PIG 27 266 SEQADV 1E37 ASN B 77 UNP P00772 ASP 92 SEE REMARK 999 SEQRES 1 B 240 VAL VAL GLY GLY THR GLU ALA GLN ARG ASN SER TRP PRO SEQRES 2 B 240 SER GLN ILE SER LEU GLN TYR ARG SER GLY SER SER TRP SEQRES 3 B 240 ALA HIS THR CYS GLY GLY THR LEU ILE ARG GLN ASN TRP SEQRES 4 B 240 VAL MET THR ALA ALA HIS CYS VAL ASP ARG GLU LEU THR SEQRES 5 B 240 PHE ARG VAL VAL VAL GLY GLU HIS ASN LEU ASN GLN ASN SEQRES 6 B 240 ASN GLY THR GLU GLN TYR VAL GLY VAL GLN LYS ILE VAL SEQRES 7 B 240 VAL HIS PRO TYR TRP ASN THR ASP ASP VAL ALA ALA GLY SEQRES 8 B 240 TYR ASP ILE ALA LEU LEU ARG LEU ALA GLN SER VAL THR SEQRES 9 B 240 LEU ASN SER TYR VAL GLN LEU GLY VAL LEU PRO ARG ALA SEQRES 10 B 240 GLY THR ILE LEU ALA ASN ASN SER PRO CYS TYR ILE THR SEQRES 11 B 240 GLY TRP GLY LEU THR ARG THR ASN GLY GLN LEU ALA GLN SEQRES 12 B 240 THR LEU GLN GLN ALA TYR LEU PRO THR VAL ASP TYR ALA SEQRES 13 B 240 ILE CYS SER SER SER SER TYR TRP GLY SER THR VAL LYS SEQRES 14 B 240 ASN SER MET VAL CYS ALA GLY GLY ASP GLY VAL ARG SER SEQRES 15 B 240 GLY CYS GLN GLY ASP SER GLY GLY PRO LEU HIS CYS LEU SEQRES 16 B 240 VAL ASN GLY GLN TYR ALA VAL HIS GLY VAL THR SER PHE SEQRES 17 B 240 VAL SER ARG LEU GLY CYS ASN VAL THR ARG LYS PRO THR SEQRES 18 B 240 VAL PHE THR ARG VAL SER ALA TYR ILE SER TRP ILE ASN SEQRES 19 B 240 ASN VAL ILE ALA SER ASN HET CA B 260 1 HET SO4 B 270 5 HET TPY B 280 23 HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION HETNAM TPY (2S,3S)-3-FORMYL-2-({[(4-NITROPHENYL) HETNAM 2 TPY SULFONYL]AMINO}METHYL)PENTANOIC ACID FORMUL 2 CA CA 2+ FORMUL 3 SO4 O4 S 2- FORMUL 4 TPY C13 H16 N2 O7 S FORMUL 5 HOH *124(H2 O) HELIX 1 1 ALA B 55 ASP B 60 5 6 HELIX 2 2 ASP B 98 GLY B 100 5 5 HELIX 3 3 ASP B 164 SER B 169 1 6 HELIX 4 4 TRP B 172 VAL B 176 5 5 HELIX 5 5 TYR B 234 ASN B 245 1 12 SHEET 1 A 7 GLN B 81 GLY B 84 0 SHEET 2 A 7 PHE B 65 VAL B 68 -1 N VAL B 68 O GLN B 81 SHEET 3 A 7 GLN B 30 SER B 36A-1 N GLN B 34 O ARG B 65A SHEET 4 A 7 SER B 37 ARG B 48 -1 N GLY B 44 O ILE B 31 SHEET 5 A 7 TRP B 51 THR B 54 -1 N MET B 53 O THR B 45 SHEET 6 A 7 ALA B 104 LEU B 108 -1 N LEU B 106 O VAL B 52 SHEET 7 A 7 VAL B 85 VAL B 90 -1 N VAL B 89 O LEU B 105 SHEET 1 B 6 GLN B 156 TYR B 159 0 SHEET 2 B 6 CYS B 136 GLY B 140 -1 N GLY B 140 O GLN B 156 SHEET 3 B 6 PRO B 198 VAL B 203 -1 N HIS B 200 O TYR B 137 SHEET 4 B 6 GLN B 206 PHE B 215 -1 N GLY B 211 O LEU B 199 SHEET 5 B 6 THR B 226 ARG B 230 -1 N THR B 229 O VAL B 212 SHEET 6 B 6 MET B 180 ALA B 183 -1 N ALA B 183 O THR B 226 SSBOND 1 CYS B 42 CYS B 58 1555 1555 2.06 SSBOND 2 CYS B 136 CYS B 201 1555 1555 2.01 SSBOND 3 CYS B 168 CYS B 182 1555 1555 2.04 SSBOND 4 CYS B 191 CYS B 220 1555 1555 2.00 LINK OG SER B 195 C TPY B 280 1555 1555 1.47 LINK OE1 GLU B 70 CA CA B 260 1555 1555 2.27 LINK OE2 GLU B 70 CA CA B 260 1555 1555 2.92 LINK O ASN B 72 CA CA B 260 1555 1555 2.26 LINK O GLN B 75 CA CA B 260 1555 1555 2.40 LINK OD1 ASN B 77 CA CA B 260 1555 1555 2.40 LINK OE2 GLU B 80 CA CA B 260 1555 1555 2.43 LINK CA CA B 260 O HOH B2031 1555 1555 2.42 SITE 1 AC1 6 GLU B 70 ASN B 72 GLN B 75 ASN B 77 SITE 2 AC1 6 GLU B 80 HOH B2031 SITE 1 AC2 7 GLY B 127 ARG B 145 ARG B 230 SER B 232 SITE 2 AC2 7 ALA B 233 HOH B2060 HOH B2123 SITE 1 AC3 14 THR B 41 HIS B 57 CYS B 58 ASP B 60 SITE 2 AC3 14 ARG B 61 CYS B 191 GLN B 192 GLY B 193 SITE 3 AC3 14 ASP B 194 SER B 195 THR B 213 PHE B 215 SITE 4 AC3 14 VAL B 216 HOH B2124 CRYST1 50.930 57.960 74.740 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 0.019635 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017253 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013380 0.00000