HEADER HYDROLASE 04-FEB-94 1ESB TITLE DIRECT STRUCTURE OBSERVATION OF AN ACYL-ENZYME INTERMEDIATE IN THE TITLE 2 HYDROLYSIS OF AN ESTER SUBSTRATE BY ELASTASE 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 HYDROLASE, SERINE PROTEINASE EXPDTA X-RAY DIFFRACTION AUTHOR X.DING,B.RASMUSSEN,G.A.PETSKO,D.RINGE REVDAT 5 30-OCT-24 1ESB 1 REMARK REVDAT 4 05-JUN-24 1ESB 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1ESB 1 VERSN REVDAT 2 24-FEB-09 1ESB 1 VERSN REVDAT 1 30-APR-94 1ESB 0 JRNL AUTH X.DING,B.F.RASMUSSEN,G.A.PETSKO,D.RINGE JRNL TITL DIRECT STRUCTURAL OBSERVATION OF AN ACYL-ENZYME INTERMEDIATE JRNL TITL 2 IN THE HYDROLYSIS OF AN ESTER SUBSTRATE BY ELASTASE. JRNL REF BIOCHEMISTRY V. 33 9285 1994 JRNL REFN ISSN 0006-2960 JRNL PMID 8049229 JRNL DOI 10.1021/BI00197A032 REMARK 1 REMARK 1 REFERENCE 1 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 ALPHA,ALPHA-DIFLUORO-BETA-KETO AMIDE WITH PORCINE REMARK 1 TITL 3 PANCREATIC ELASTASE AT 1.78 ANGSTROMS RESOLUTION REMARK 1 REF J.AM.CHEM.SOC. V. 111 3368 1989 REMARK 1 REFN ISSN 0002-7863 REMARK 1 REFERENCE 2 REMARK 1 AUTH E.MEYER,G.COLE,R.RADHAKRISHNAN,O.EPP REMARK 1 TITL STRUCTURE OF NATIVE PROCINE 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 3 REMARK 1 AUTH M.N.G.JAMES,A.R.SIELECKI,G.D.BRAYER,L.T.J.DELBAERE REMARK 1 TITL STRUCTURES OF PRODUCT AND INHIBITOR COMPLEXES OF REMARK 1 TITL 2 STREPTOMYCES GRISEUS PROTEASE A AT 1.8 ANGSTROMS RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 144 43 1980 REMARK 1 REFN ISSN 0022-2836 REMARK 1 REFERENCE 4 REMARK 1 AUTH A.L.FINK,A.I.AHMED REMARK 1 TITL FORMATION OF STABLE CRYSTALLINE ENZYME-SUBSTRATE REMARK 1 TITL 2 INTERMEDIATES AT SUB-ZERO TEMPERATURES REMARK 1 REF NATURE V. 263 294 1976 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 5 REMARK 1 AUTH T.ALBER,G.A.PETSKO,D.TSERNOGLOU REMARK 1 TITL CRYSTAL STRUCTURE OF ELASTASE-SUBSTRATE COMPLEX AT-55 DEGC REMARK 1 REF NATURE V. 263 297 1976 REMARK 1 REFN ISSN 0028-0836 REMARK 2 REMARK 2 RESOLUTION. 2.30 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 10.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 1.000 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) : 0.210 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 : 1821 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 21 REMARK 3 SOLVENT ATOMS : 126 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 1ESB 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_1000173146. 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 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 (%): 42.42 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.14 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 26.01000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 37.33000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 28.61000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 37.33000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 26.01000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 28.61000 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 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 N GLY A 213 O HOH A 349 1.96 REMARK 500 O SER A 122 O HOH A 393 2.07 REMARK 500 O HOH A 391 O HOH A 394 2.11 REMARK 500 REMARK 500 REMARK: NULL 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 GLY A 82 O HOH A 502 4566 1.44 REMARK 500 O1 SO4 A 290 O HOH A 513 2665 1.56 REMARK 500 O ASN A 81 NH1 ARG A 196 4566 1.70 REMARK 500 O HOH A 520 O HOH A 558 4566 1.99 REMARK 500 NH2 ARG A 131 ND2 ASN A 153 2665 2.15 REMARK 500 OE1 GLN A 155 OD1 ASN A 185 2664 2.16 REMARK 500 NE ARG A 131 ND2 ASN A 153 2665 2.17 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 43 NE2 HIS A 43 CD2 -0.067 REMARK 500 HIS A 208 NE2 HIS A 208 CD2 -0.082 REMARK 500 HIS A 218 NE2 HIS A 218 CD2 -0.077 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. = 5.2 DEGREES REMARK 500 ARG A 24 NE - CZ - NH2 ANGL. DEV. = -5.7 DEGREES REMARK 500 TRP A 27 CE2 - CD2 - CG ANGL. DEV. = -4.8 DEGREES REMARK 500 PRO A 28 C - N - CA ANGL. DEV. = 10.0 DEGREES REMARK 500 ARG A 36 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 TRP A 41 CD1 - CG - CD2 ANGL. DEV. = 7.9 DEGREES REMARK 500 TRP A 41 CG - CD1 - NE1 ANGL. DEV. = -6.8 DEGREES REMARK 500 TRP A 41 CE2 - CD2 - CG ANGL. DEV. = -5.8 DEGREES REMARK 500 ARG A 51 NE - CZ - NH1 ANGL. DEV. = 3.8 DEGREES REMARK 500 ARG A 51 NE - CZ - NH2 ANGL. DEV. = -4.6 DEGREES REMARK 500 ARG A 64 NE - CZ - NH1 ANGL. DEV. = 3.4 DEGREES REMARK 500 TRP A 98 CD1 - CG - CD2 ANGL. DEV. = 5.5 DEGREES REMARK 500 TRP A 98 CE2 - CD2 - CG ANGL. DEV. = -5.2 DEGREES REMARK 500 THR A 100 CA - CB - CG2 ANGL. DEV. = -8.7 DEGREES REMARK 500 ARG A 131 CA - CB - CG ANGL. DEV. = 14.6 DEGREES REMARK 500 TRP A 147 CD1 - CG - CD2 ANGL. DEV. = 5.2 DEGREES REMARK 500 TRP A 147 CE2 - CD2 - CG ANGL. DEV. = -5.0 DEGREES REMARK 500 ARG A 151 NE - CZ - NH1 ANGL. DEV. = 4.2 DEGREES REMARK 500 TRP A 179 CD1 - CG - CD2 ANGL. DEV. = 7.6 DEGREES REMARK 500 TRP A 179 CE2 - CD2 - CG ANGL. DEV. = -6.0 DEGREES REMARK 500 ARG A 196 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 196 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 226 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 VAL A 231 CG1 - CB - CG2 ANGL. DEV. = -9.7 DEGREES REMARK 500 ARG A 240 NE - CZ - NH2 ANGL. DEV. = -4.8 DEGREES REMARK 500 TRP A 247 CD1 - CG - CD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 TRP A 247 CE2 - CD2 - CG ANGL. DEV. = -5.9 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 A 75 -56.26 -134.87 REMARK 500 PRO A 96 -33.96 -31.90 REMARK 500 ASN A 121 -159.41 -159.62 REMARK 500 TYR A 178 -107.38 -96.37 REMARK 500 SER A 197 168.02 178.24 REMARK 500 VAL A 211 114.33 -161.95 REMARK 500 SER A 222 -51.69 -124.22 REMARK 500 REMARK 500 REMARK: NULL REMARK 600 REMARK 600 HETEROGEN REMARK 600 REMARK 600 BBL IS COVALENTLY LINKED TO SER 203. THE P-NITROPHENYL GROUP REMARK 600 ORIGINALLY PRESENT IN BBL MOLECULE IS LEAVING DURING THE REACTION. 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 ASN A 76 O 72.6 REMARK 620 3 GLN A 79 O 149.1 80.8 REMARK 620 4 ASN A 81 OD1 68.0 76.5 90.9 REMARK 620 5 GLU A 84 OE2 83.2 143.0 110.8 68.6 REMARK 620 N 1 2 3 4 REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEETS PRESENTED AS *S1* AND *S2* ON SHEET RECORDS REMARK 700 BELOW ARE ACTUALLY SIX-STRANDED BETA-BARRELS. THIS IS REMARK 700 REPRESENTED BY SEVEN-STRANDED SHEETS IN WHICH THE FIRST AND REMARK 700 LAST STRAND OF EACH SHEET ARE IDENTICAL. 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 BBL A 256 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 280 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 290 REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE RESIDUE NUMBERING SCHEME FOR THE PROTEIN IS SEQUENTIAL REMARK 999 STARTING WITH VAL 16 AND ENDING WITH ASN 255. THE REMARK 999 CATALYTIC TRIAD IS COMPOSED OF SER 203, HIS 60 AND ASP 108 REMARK 999 (DENOTED BY *SITE* BELOW). REMARK 999 REMARK 999 SEQUENCE ADVISORY NOTICE: REMARK 999 DIFFERENCE BETWEEN SWISS-PROT AND PDB SEQUENCE. REMARK 999 REMARK 999 SWISS-PROT ENTRY NAME: EL1_PIG REMARK 999 REMARK 999 SWISS-PROT PDB ATOM RECORDS REMARK 999 NAME SEQ NAME CHAIN SEQ REMARK 999 ASP 93 ASN 81 REMARK 999 REMARK 999 THE IDENTITY OF ASN 81 AGREES WITH THE SEQUENCE OF PDB REMARK 999 ENTRY 3EST, DBREF 1ESB A 16 255 UNP P00772 ELA1_PIG 27 266 SEQADV 1ESB 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 BBL A 256 15 HET CA A 280 1 HET SO4 A 290 5 HETNAM BBL N-[(BENZYLOXY)CARBONYL]-L-ALANINE HETNAM CA CALCIUM ION HETNAM SO4 SULFATE ION HETSYN BBL N-BENZYLOXYCARBONYL-L-SERINE-BETALACTONE FORMUL 2 BBL C11 H13 N O4 FORMUL 3 CA CA 2+ FORMUL 4 SO4 O4 S 2- FORMUL 5 HOH *126(H2 O) HELIX 1 H1 ASP A 169 SER A 175 1 7 HELIX 2 H1 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 2.04 SSBOND 2 CYS A 142 CYS A 209 1555 1555 2.00 SSBOND 3 CYS A 173 CYS A 189 1555 1555 2.05 SSBOND 4 CYS A 199 CYS A 229 1555 1555 2.02 LINK OG SER A 203 CB2 BBL A 256 1555 1555 1.66 LINK OE1 GLU A 74 CA CA A 280 1555 1555 2.72 LINK O ASN A 76 CA CA A 280 1555 1555 2.45 LINK O GLN A 79 CA CA A 280 1555 1555 2.36 LINK OD1 ASN A 81 CA CA A 280 1555 1555 2.64 LINK OE2 GLU A 84 CA CA A 280 1555 1555 2.47 SITE 1 CAT 3 ASP A 108 HIS A 60 SER A 203 SITE 1 AC1 9 THR A 44 HIS A 60 GLN A 200 GLY A 201 SITE 2 AC1 9 ASP A 202 SER A 203 SER A 222 PHE A 223 SITE 3 AC1 9 HOH A 505 SITE 1 AC2 5 GLU A 74 ASN A 76 GLN A 79 ASN A 81 SITE 2 AC2 5 GLU A 84 SITE 1 AC3 5 GLY A 133 ARG A 151 ARG A 240 SER A 242 SITE 2 AC3 5 HOH A 513 CRYST1 52.020 57.220 74.660 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 0.019223 0.000000 0.000000 0.00000 SCALE2 0.000000 0.017476 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013394 0.00000