HEADER COMPLEX (HYDROLASE/INHIBITOR) 13-MAR-95 1ELG TITLE NATURE OF THE INACTIVATION OF ELASTASE BY N-PEPTIDYL-O-AROYL TITLE 2 HYDROXYLAMINE AS A FUNCTION OF PH COMPND MOL_ID: 1; COMPND 2 MOLECULE: PORCINE PANCREATIC ELASTASE; COMPND 3 CHAIN: A; 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 KEYWDS COMPLEX (HYDROLASE-INHIBITOR), COMPLEX (HYDROLASE-INHIBITOR) COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR X.DING,B.RASMUSSEN,H.-U.DEMUTH,D.RINGE,A.C.U.STEINMETZ REVDAT 4 23-OCT-24 1ELG 1 REMARK REVDAT 3 05-JUN-24 1ELG 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1ELG 1 VERSN REVDAT 1 10-JUL-95 1ELG 0 JRNL AUTH X.DING,B.F.RASMUSSEN,H.U.DEMUTH,D.RINGE,A.C.STEINMETZ JRNL TITL NATURE OF THE INACTIVATION OF ELASTASE BY N-PEPTIDYL-O-AROYL JRNL TITL 2 HYDROXYLAMINE AS A FUNCTION OF PH. JRNL REF BIOCHEMISTRY V. 34 7749 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7779821 JRNL DOI 10.1021/BI00023A022 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH X.DING,B.F.RASMUSSEN,G.A.PETSKO,D.RINGE REMARK 1 TITL DIRECT STRUCTURAL OBSERVATION OF AN ACYL-ENZYME INTERMEDIATE REMARK 1 TITL 2 IN THE HYDROLYSIS OF AN ESTER SUBSTRATE BY ELASTASE REMARK 1 REF BIOCHEMISTRY V. 33 9285 1994 REMARK 1 REFN ISSN 0006-2960 REMARK 1 REFERENCE 2 REMARK 1 AUTH H.-U.DEMUTH,J.SILBERRING,F.NYBERG REMARK 1 TITL INHIBITION OF PROTEASES WITH ENKEPHALIN-ANALOGUE INHIBITORS REMARK 1 REF J.ENZYME INHIB. V. 4 289 1991 REMARK 1 REFN ISSN 8755-5093 REMARK 1 REFERENCE 3 REMARK 1 AUTH V.J.ROBINSON,P.J.COLES,R.A.SMITH,A.KRANTZ REMARK 1 TITL COMPETING REDOX AND INACTIVATION PROCESSES IN THE INHIBITION REMARK 1 TITL 2 OF CYSTEINE PROTEINASES BY PEPTIDYL O-ACYLHYDROXAMATES. 13C REMARK 1 TITL 3 AND 15N NMR EVIDENCE FOR A NOVEL SULFENAMIDE ENZYME ADDUCT REMARK 1 REF J.AM.CHEM.SOC. V. 113 7760 1991 REMARK 1 REFN ISSN 0002-7863 REMARK 1 REFERENCE 4 REMARK 1 AUTH H.-U.DEMUTH,G.FISCHER,A.BARTH,R.L.SCHOWEN REMARK 1 TITL N-O BOND FISSION AS THE RATE-DETERMINING STEP IN THE AQUEOUS REMARK 1 TITL 2 CONVERSION OF N-PEPTIYL-O-(P-NITROBENZOYL)HYDROXYLAMINES TO REMARK 1 TITL 3 P-NITROBENZOIC ACID AND PEPTIDYLHYDROXAMIC ACIDS REMARK 1 REF J.ORG.CHEM. V. 54 5880 1989 REMARK 1 REFN ISSN 0022-3263 REMARK 1 REFERENCE 5 REMARK 1 AUTH L.H.TAKAHASHI,R.RADHAKRISHNAN,R.E.ROSENFIELD JUNIOR, REMARK 1 AUTH 2 E.F.MEYER JUNIOR,D.A.TRAINOR REMARK 1 TITL CRYSTAL STRUCTURE OF THE COVALENT COMPLEX FORMED BY A REMARK 1 TITL 2 PEPTIDYL DIFLUORO KETO AMIDE WITH PORCINE PANCREATIC REMARK 1 TITL 3 ELASTASE AT 1.78 ANGSTROMS RESOLUTION REMARK 1 REF J.AM.CHEM.SOC. V. 111 3368 1989 REMARK 1 REFN ISSN 0002-7863 REMARK 2 REMARK 2 RESOLUTION. 1.65 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) : 1.65 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : NULL REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL 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) : 0.170 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 : 19 REMARK 3 SOLVENT ATOMS : 189 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) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 2.600 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 1ELG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000173067. 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 : 23730 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.650 REMARK 200 RESOLUTION RANGE LOW (A) : 10.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 85.0 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 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 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 (%): 42.75 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.15 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 25.54000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.59000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 29.02000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.59000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 25.54000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 29.02000 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: A 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 REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O HOH A 753 O HOH A 961 4466 2.13 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 A 95 NE2 HIS A 95 CD2 -0.075 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 A 24 NE - CZ - NH1 ANGL. DEV. = 4.5 DEGREES REMARK 500 ARG A 24 NE - CZ - NH2 ANGL. DEV. = -4.8 DEGREES REMARK 500 TRP A 27 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP A 27 CE2 - CD2 - CG ANGL. DEV. = -5.9 DEGREES REMARK 500 TRP A 41 CD1 - CG - CD2 ANGL. DEV. = 7.6 DEGREES REMARK 500 TRP A 41 CG - CD1 - NE1 ANGL. DEV. = -6.7 DEGREES REMARK 500 TRP A 41 CE2 - CD2 - CG ANGL. DEV. = -5.7 DEGREES REMARK 500 ARG A 51 NE - CZ - NH1 ANGL. DEV. = 3.2 DEGREES REMARK 500 TRP A 54 CD1 - CG - CD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP A 54 CE2 - CD2 - CG ANGL. DEV. = -5.0 DEGREES REMARK 500 TRP A 98 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP A 98 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 TYR A 143 CB - CG - CD2 ANGL. DEV. = -4.5 DEGREES REMARK 500 TRP A 147 CD1 - CG - CD2 ANGL. DEV. = 6.0 DEGREES REMARK 500 TRP A 147 CE2 - CD2 - CG ANGL. DEV. = -5.3 DEGREES REMARK 500 TRP A 179 CD1 - CG - CD2 ANGL. DEV. = 5.6 DEGREES REMARK 500 TRP A 179 CE2 - CD2 - CG ANGL. DEV. = -4.8 DEGREES REMARK 500 ARG A 233 NE - CZ - NH1 ANGL. DEV. = 3.0 DEGREES REMARK 500 ARG A 240 CG - CD - NE ANGL. DEV. = -16.0 DEGREES REMARK 500 ARG A 240 NE - CZ - NH1 ANGL. DEV. = 8.0 DEGREES REMARK 500 ARG A 240 NE - CZ - NH2 ANGL. DEV. = -10.5 DEGREES REMARK 500 TRP A 247 CD1 - CG - CD2 ANGL. DEV. = 5.8 DEGREES REMARK 500 TRP A 247 CE2 - CD2 - CG ANGL. DEV. = -4.8 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 A 75 -52.93 -128.23 REMARK 500 TYR A 178 -115.06 -103.07 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 A 280 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 74 OE1 REMARK 620 2 GLU A 74 OE2 41.2 REMARK 620 3 ASN A 76 O 75.8 83.1 REMARK 620 4 GLN A 79 O 156.3 150.9 85.4 REMARK 620 5 ASN A 81 OD1 70.9 111.9 86.1 93.8 REMARK 620 6 GLU A 84 OE2 103.0 100.4 173.4 94.0 87.4 REMARK 620 7 HOH A 327 O 114.8 73.7 97.5 81.5 173.8 88.8 REMARK 620 N 1 2 3 4 5 6 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: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: NULL REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BAA A 256 DBREF 1ELG A 16 255 UNP P00772 ELA1_PIG 27 266 SEQADV 1ELG ASN A 81 UNP P00772 ASP 92 CONFLICT SEQRES 1 A 240 VAL VAL GLY GLY THR GLU ALA GLN ARG ASN SER TRP PRO SEQRES 2 A 240 SER GLN ILE SER LEU GLN TYR ARG SER GLY SER SER TRP SEQRES 3 A 240 ALA HIS THR CYS GLY GLY THR LEU ILE ARG GLN ASN TRP SEQRES 4 A 240 VAL MET THR ALA ALA HIS CYS VAL ASP ARG GLU LEU THR SEQRES 5 A 240 PHE ARG VAL VAL VAL GLY GLU HIS ASN LEU ASN GLN ASN SEQRES 6 A 240 ASN GLY THR GLU GLN TYR VAL GLY VAL GLN LYS ILE VAL SEQRES 7 A 240 VAL HIS PRO TYR TRP ASN THR ASP ASP VAL ALA ALA GLY SEQRES 8 A 240 TYR ASP ILE ALA LEU LEU ARG LEU ALA GLN SER VAL THR SEQRES 9 A 240 LEU ASN SER TYR VAL GLN LEU GLY VAL LEU PRO ARG ALA SEQRES 10 A 240 GLY THR ILE LEU ALA ASN ASN SER PRO CYS TYR ILE THR SEQRES 11 A 240 GLY TRP GLY LEU THR ARG THR ASN GLY GLN LEU ALA GLN SEQRES 12 A 240 THR LEU GLN GLN ALA TYR LEU PRO THR VAL ASP TYR ALA SEQRES 13 A 240 ILE CYS SER SER SER SER TYR TRP GLY SER THR VAL LYS SEQRES 14 A 240 ASN SER MET VAL CYS ALA GLY GLY ASP GLY VAL ARG SER SEQRES 15 A 240 GLY CYS GLN GLY ASP SER GLY GLY PRO LEU HIS CYS LEU SEQRES 16 A 240 VAL ASN GLY GLN TYR ALA VAL HIS GLY VAL THR SER PHE SEQRES 17 A 240 VAL SER ARG LEU GLY CYS ASN VAL THR ARG LYS PRO THR SEQRES 18 A 240 VAL PHE THR ARG VAL SER ALA TYR ILE SER TRP ILE ASN SEQRES 19 A 240 ASN VAL ILE ALA SER ASN HET CA A 280 1 HET BAA A 256 18 HETNAM CA CALCIUM ION HETNAM BAA (TERT-BUTYLOXYCARBONYL)-ALANYL-ALANYL-AMINE FORMUL 2 CA CA 2+ FORMUL 3 BAA C11 H21 N3 O4 FORMUL 4 HOH *189(H2 O) HELIX 1 1 ASP A 169 SER A 175 1 7 HELIX 2 2 TYR A 244 ASN A 255 1 12 SHEET 1 S1 7 SER A 29 SER A 37 0 SHEET 2 S1 7 SER A 40 ILE A 50 -1 SHEET 3 S1 7 ASN A 53 ALA A 59 -1 SHEET 4 S1 7 ASP A 108 GLN A 116 -1 SHEET 5 S1 7 GLU A 84 HIS A 95 -1 SHEET 6 S1 7 PHE A 68 GLY A 73 -1 SHEET 7 S1 7 SER A 29 SER A 37 -1 SHEET 1 S2 7 ASN A 139 THR A 150 0 SHEET 2 S2 7 GLY A 154 VAL A 168 -1 SHEET 3 S2 7 SER A 186 VAL A 195 -1 SHEET 4 S2 7 ASN A 230 VAL A 241 -1 SHEET 5 S2 7 HIS A 218 VAL A 224 -1 SHEET 6 S2 7 SER A 203 CYS A 209 -1 SHEET 7 S2 7 SER A 140 THR A 150 -1 SHEET 1 S3 3 GLY A 154 ALA A 157 0 SHEET 2 S3 3 TRP A 147 LEU A 149 -1 SHEET 3 S3 3 GLN A 200 ASP A 202 -1 SSBOND 1 CYS A 45 CYS A 61 1555 1555 2.02 SSBOND 2 CYS A 142 CYS A 209 1555 1555 2.02 SSBOND 3 CYS A 173 CYS A 189 1555 1555 2.02 SSBOND 4 CYS A 199 CYS A 229 1555 1555 2.02 LINK OG SER A 203 N3 BAA A 256 1555 1555 1.59 LINK OE1 GLU A 74 CA CA A 280 1555 1555 2.53 LINK OE2 GLU A 74 CA CA A 280 1555 1555 3.21 LINK O ASN A 76 CA CA A 280 1555 1555 2.49 LINK O GLN A 79 CA CA A 280 1555 1555 2.39 LINK OD1 ASN A 81 CA CA A 280 1555 1555 2.57 LINK OE2 GLU A 84 CA CA A 280 1555 1555 2.50 LINK CA CA A 280 O HOH A 327 1555 1555 2.46 SITE 1 CAT 3 ASP A 108 HIS A 60 SER A 203 SITE 1 AC1 6 GLU A 74 ASN A 76 GLN A 79 ASN A 81 SITE 2 AC1 6 GLU A 84 HOH A 327 SITE 1 AC2 8 THR A 44 CYS A 45 HIS A 60 GLY A 201 SITE 2 AC2 8 SER A 203 HOH A 446 HOH A 731 HOH A 972 CRYST1 51.080 58.040 75.180 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 0.019577 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017229 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013301 0.00000