PDB Short entry for 1CSB HEADER HYDROLASE/HYDROLASE INHIBITOR 09-DEC-94 1CSB TITLE CRYSTAL STRUCTURE OF CATHEPSIN B INHIBITED WITH CA030 AT 2.1 ANGSTROMS TITLE 2 RESOLUTION: A BASIS FOR THE DESIGN OF SPECIFIC EPOXYSUCCINYL TITLE 3 INHIBITORS COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATHEPSIN B LIGHT CHAIN; COMPND 3 CHAIN: A, D; COMPND 4 EC: 3.4.22.1; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: CATHEPSIN B HEAVY CHAIN; COMPND 7 CHAIN: B, E; COMPND 8 EC: 3.4.22.1 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 ORGAN: LIVER; SOURCE 6 ORGANELLE: LYSOSOME; SOURCE 7 MOL_ID: 2; SOURCE 8 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 9 ORGANISM_COMMON: HUMAN; SOURCE 10 ORGANISM_TAXID: 9606; SOURCE 11 ORGAN: LIVER; SOURCE 12 ORGANELLE: LYSOSOME KEYWDS PAPAIN-LIKE LYSOSOMAL DICARBOXY-PEPTIDASE, HYDROLASE-HYDROLASE KEYWDS 2 INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR D.TURK,W.BODE REVDAT 5 31-AUG-11 1CSB 1 HET REVDAT 4 13-JUL-11 1CSB 1 VERSN REVDAT 3 24-FEB-09 1CSB 1 VERSN REVDAT 2 01-APR-03 1CSB 1 JRNL REVDAT 1 03-APR-96 1CSB 0 JRNL AUTH D.TURK,M.PODOBNIK,T.POPOVIC,N.KATUNUMA,W.BODE,R.HUBER,V.TURK JRNL TITL CRYSTAL STRUCTURE OF CATHEPSIN B INHIBITED WITH CA030 AT JRNL TITL 2 2.0-A RESOLUTION: A BASIS FOR THE DESIGN OF SPECIFIC JRNL TITL 3 EPOXYSUCCINYL INHIBITORS. JRNL REF BIOCHEMISTRY V. 34 4791 1995 JRNL REFN ISSN 0006-2960 JRNL PMID 7718586 JRNL DOI 10.1021/BI00014A037 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH D.MUSIL,D.ZUCIC,D.TURK,R.A.ENGH,I.MAYR,R.HUBER,T.POPOVIC, REMARK 1 AUTH 2 V.TURK,T.TOWATARI,N.KATUNUMA,W.BODE REMARK 1 TITL THE REFINED 2.15 ANGSTROM X-RAY CRYSTAL STRUCTURE OF HUMAN REMARK 1 TITL 2 LIVER CATHEPSIN B: THE STRUCTURAL BASIS FOR ITS SPECIFICITY REMARK 1 REF EMBO J. V. 10 2321 1991 REMARK 1 REFN ISSN 0261-4189 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) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 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 : 24924 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) : 0.194 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 : 3876 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 52 REMARK 3 SOLVENT ATOMS : 542 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) : 0.012 REMARK 3 BOND ANGLES (DEGREES) : 1.58 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: THE MINIMAL ATOMIC TEMPERATURE FACTOR REMARK 3 WAS SET TO 5. REMARK 4 REMARK 4 1CSB COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 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 : NOV-93 REMARK 200 TEMPERATURE (KELVIN) : NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : NULL REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : NULL 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 : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : NULL REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 51421 REMARK 200 RESOLUTION RANGE HIGH (A) : NULL REMARK 200 RESOLUTION RANGE LOW (A) : NULL REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 79.1 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.09800 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 (%): 44.07 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL 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 17.07500 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: MTRIX REMARK 300 THE TRANSFORMATIONS PRESENTED ON MTRIX RECORDS BELOW REMARK 300 DESCRIBE NON-CRYSTALLOGRAPHIC RELATIONSHIPS AMONG THE REMARK 300 VARIOUS DOMAINS IN THIS ENTRY. APPLYING THE APPROPRIATE REMARK 300 MTRIX TRANSFORMATION TO THE RESIDUES LISTED FIRST WILL REMARK 300 YIELD APPROXIMATE COORDINATES FOR THE RESIDUES LISTED REMARK 300 SECOND. REMARK 300 REMARK 300 APPLIED TO TRANSFORMED TO REMARK 300 MTRIX RESIDUES RESIDUES RMSD REMARK 300 M1 D 1 .. D 47 A 1 .. A 47 0.432 REMARK 300 M1 E 50 .. E 254 B 50 .. B 254 0.562 REMARK 300 M1 F 3 .. F 4 C 3 .. C 4 0.456 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5770 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10630 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -26.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5620 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 10760 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -25.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, 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 475 REMARK 475 ZERO OCCUPANCY RESIDUES REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY. REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE) REMARK 475 M RES C SSEQI REMARK 475 VAL B 50 REMARK 475 SER B 51 REMARK 475 THR B 253 REMARK 475 ASP B 254 REMARK 475 ASN D 47 REMARK 475 VAL E 50 REMARK 475 SER E 51 REMARK 475 GLY E 121 REMARK 475 GLU E 122 REMARK 475 GLY E 123 REMARK 475 THR E 253 REMARK 475 ASP E 254 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 THR A 46 -76.25 -177.19 REMARK 500 THR B 120 63.57 -115.81 REMARK 500 PRO B 138 -154.34 -87.73 REMARK 500 VAL B 191 -64.09 -126.70 REMARK 500 ASN B 222 -175.68 71.61 REMARK 500 LEU B 234 132.43 -37.28 REMARK 500 THR D 46 104.13 71.63 REMARK 500 SER E 65 -36.09 -39.48 REMARK 500 GLU E 95 15.82 57.04 REMARK 500 PRO E 138 -153.61 -74.25 REMARK 500 VAL E 191 -55.91 -122.70 REMARK 500 SER E 220 40.45 -107.13 REMARK 500 ASN E 222 176.67 76.32 REMARK 500 ALA E 248 -161.81 -161.91 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CHIRAL CENTERS REMARK 500 REMARK 500 UNEXPECTED CONFIGURATION OF THE FOLLOWING CHIRAL REMARK 500 CENTER(S) USING IMPROPER CA--C--CB--N CHIRALITY REMARK 500 FOR AMINO ACIDS AND C1'--O4'--N1(N9)--C2' FOR REMARK 500 NUCLEIC ACIDS OR EQUIVALENT ANGLE REMARK 500 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,A1,6X,F5.1,6X,A1,10X,A1,3X,A16) REMARK 500 REMARK 500 M RES CSSEQI IMPROPER EXPECTED FOUND DETAILS REMARK 500 THR A 46 24.1 L L OUTSIDE RANGE REMARK 500 REMARK 500 REMARK: NULL REMARK 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: N-[(3R)-4-ETHOXY-3-HYDROXY-4-OXOBUTANOYL]-L- REMARK 630 ISOLEUCYL-L-PROLINE 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 EP0 A 48 REMARK 630 EP0 E 2 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: 0A6 ILE PRO REMARK 630 DETAILS: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EP0 A 48 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EP0 E 2 DBREF 1CSB A 1 47 UNP P07858 CATB_HUMAN 80 126 DBREF 1CSB B 50 254 UNP P07858 CATB_HUMAN 129 333 DBREF 1CSB D 1 47 UNP P07858 CATB_HUMAN 80 126 DBREF 1CSB E 50 254 UNP P07858 CATB_HUMAN 129 333 SEQRES 1 A 47 LEU PRO ALA SER PHE ASP ALA ARG GLU GLN TRP PRO GLN SEQRES 2 A 47 CYS PRO THR ILE LYS GLU ILE ARG ASP GLN GLY SER CYS SEQRES 3 A 47 GLY SER CYS TRP ALA PHE GLY ALA VAL GLU ALA ILE SER SEQRES 4 A 47 ASP ARG ILE CYS ILE HIS THR ASN SEQRES 1 B 205 VAL SER VAL GLU VAL SER ALA GLU ASP LEU LEU THR CYS SEQRES 2 B 205 CYS GLY SER MET CYS GLY ASP GLY CYS ASN GLY GLY TYR SEQRES 3 B 205 PRO ALA GLU ALA TRP ASN PHE TRP THR ARG LYS GLY LEU SEQRES 4 B 205 VAL SER GLY GLY LEU TYR GLU SER HIS VAL GLY CYS ARG SEQRES 5 B 205 PRO TYR SER ILE PRO PRO CYS GLU HIS HIS VAL ASN GLY SEQRES 6 B 205 SER ARG PRO PRO CYS THR GLY GLU GLY ASP THR PRO LYS SEQRES 7 B 205 CYS SER LYS ILE CYS GLU PRO GLY TYR SER PRO THR TYR SEQRES 8 B 205 LYS GLN ASP LYS HIS TYR GLY TYR ASN SER TYR SER VAL SEQRES 9 B 205 SER ASN SER GLU LYS ASP ILE MET ALA GLU ILE TYR LYS SEQRES 10 B 205 ASN GLY PRO VAL GLU GLY ALA PHE SER VAL TYR SER ASP SEQRES 11 B 205 PHE LEU LEU TYR LYS SER GLY VAL TYR GLN HIS VAL THR SEQRES 12 B 205 GLY GLU MET MET GLY GLY HIS ALA ILE ARG ILE LEU GLY SEQRES 13 B 205 TRP GLY VAL GLU ASN GLY THR PRO TYR TRP LEU VAL ALA SEQRES 14 B 205 ASN SER TRP ASN THR ASP TRP GLY ASP ASN GLY PHE PHE SEQRES 15 B 205 LYS ILE LEU ARG GLY GLN ASP HIS CYS GLY ILE GLU SER SEQRES 16 B 205 GLU VAL VAL ALA GLY ILE PRO ARG THR ASP SEQRES 1 D 47 LEU PRO ALA SER PHE ASP ALA ARG GLU GLN TRP PRO GLN SEQRES 2 D 47 CYS PRO THR ILE LYS GLU ILE ARG ASP GLN GLY SER CYS SEQRES 3 D 47 GLY SER CYS TRP ALA PHE GLY ALA VAL GLU ALA ILE SER SEQRES 4 D 47 ASP ARG ILE CYS ILE HIS THR ASN SEQRES 1 E 205 VAL SER VAL GLU VAL SER ALA GLU ASP LEU LEU THR CYS SEQRES 2 E 205 CYS GLY SER MET CYS GLY ASP GLY CYS ASN GLY GLY TYR SEQRES 3 E 205 PRO ALA GLU ALA TRP ASN PHE TRP THR ARG LYS GLY LEU SEQRES 4 E 205 VAL SER GLY GLY LEU TYR GLU SER HIS VAL GLY CYS ARG SEQRES 5 E 205 PRO TYR SER ILE PRO PRO CYS GLU HIS HIS VAL ASN GLY SEQRES 6 E 205 SER ARG PRO PRO CYS THR GLY GLU GLY ASP THR PRO LYS SEQRES 7 E 205 CYS SER LYS ILE CYS GLU PRO GLY TYR SER PRO THR TYR SEQRES 8 E 205 LYS GLN ASP LYS HIS TYR GLY TYR ASN SER TYR SER VAL SEQRES 9 E 205 SER ASN SER GLU LYS ASP ILE MET ALA GLU ILE TYR LYS SEQRES 10 E 205 ASN GLY PRO VAL GLU GLY ALA PHE SER VAL TYR SER ASP SEQRES 11 E 205 PHE LEU LEU TYR LYS SER GLY VAL TYR GLN HIS VAL THR SEQRES 12 E 205 GLY GLU MET MET GLY GLY HIS ALA ILE ARG ILE LEU GLY SEQRES 13 E 205 TRP GLY VAL GLU ASN GLY THR PRO TYR TRP LEU VAL ALA SEQRES 14 E 205 ASN SER TRP ASN THR ASP TRP GLY ASP ASN GLY PHE PHE SEQRES 15 E 205 LYS ILE LEU ARG GLY GLN ASP HIS CYS GLY ILE GLU SER SEQRES 16 E 205 GLU VAL VAL ALA GLY ILE PRO ARG THR ASP MODRES 1CSB CYS D 29 CYS 1.78 MODRES 1CSB CYS A 29 CYS 1.81 HET EP0 A 48 26 HET EP0 E 2 26 HETNAM EP0 N-[(3R)-4-ETHOXY-3-HYDROXY-4-OXOBUTANOYL]-L-ISOLEUCYL- HETNAM 2 EP0 L-PROLINE HETSYN EP0 EPOXY SUCCINYL INHIBITOR FORMUL 5 EP0 2(C17 H28 N2 O7) FORMUL 7 HOH *542(H2 O) HELIX 1 1 ALA A 7 TRP A 11 1 5 HELIX 2 2 CYS A 14 LYS A 18 5 5 HELIX 3 3 SER A 28 HIS A 45 1 18 HELIX 4 4 SER B 55 CYS B 63 1 9 HELIX 5 5 GLY B 64 GLY B 68 5 5 HELIX 6 6 ASP B 69 GLY B 73 5 5 HELIX 7 7 TYR B 75 LYS B 86 1 12 HELIX 8 8 THR B 139 LYS B 144 1 6 HELIX 9 9 SER B 156 GLY B 168 1 13 HELIX 10 10 SER B 178 LEU B 182 1 5 HELIX 11 11 ASP B 238 ILE B 242 5 5 HELIX 12 12 ALA D 7 TRP D 11 1 5 HELIX 13 13 CYS D 14 GLU D 19 5 6 HELIX 14 14 SER D 28 HIS D 45 1 18 HELIX 15 15 SER E 55 CYS E 63 1 9 HELIX 16 16 GLY E 64 CYS E 67 5 4 HELIX 17 17 ASP E 69 GLY E 73 5 5 HELIX 18 18 TYR E 75 LYS E 86 1 12 HELIX 19 19 THR E 139 LYS E 144 1 6 HELIX 20 20 SER E 156 GLY E 168 1 13 HELIX 21 21 ASP E 179 LEU E 181 5 3 HELIX 22 22 ASP E 238 ILE E 242 5 5 SHEET 1 A 3 PHE A 5 ASP A 6 0 SHEET 2 A 3 MET B 195 GLU B 209 -1 O TRP B 206 N PHE A 5 SHEET 3 A 3 VAL B 170 TYR B 177 -1 N VAL B 176 O MET B 196 SHEET 1 B 5 PHE A 5 ASP A 6 0 SHEET 2 B 5 MET B 195 GLU B 209 -1 O TRP B 206 N PHE A 5 SHEET 3 B 5 THR B 212 ALA B 218 -1 O THR B 212 N GLU B 209 SHEET 4 B 5 PHE B 230 LEU B 234 -1 O PHE B 231 N VAL B 217 SHEET 5 B 5 VAL B 187 TYR B 188 1 N TYR B 188 O LYS B 232 SHEET 1 C 2 GLY B 147 SER B 152 0 SHEET 2 C 2 VAL B 247 PRO B 251 -1 O ILE B 250 N TYR B 148 SHEET 1 D 3 PHE D 5 ASP D 6 0 SHEET 2 D 3 MET E 195 GLU E 209 -1 O TRP E 206 N PHE D 5 SHEET 3 D 3 VAL E 170 TYR E 177 -1 N VAL E 176 O GLY E 197 SHEET 1 E 5 PHE D 5 ASP D 6 0 SHEET 2 E 5 MET E 195 GLU E 209 -1 O TRP E 206 N PHE D 5 SHEET 3 E 5 THR E 212 ALA E 218 -1 O TYR E 214 N GLY E 207 SHEET 4 E 5 PHE E 230 LEU E 234 -1 O PHE E 231 N VAL E 217 SHEET 5 E 5 VAL E 187 TYR E 188 1 N TYR E 188 O LYS E 232 SHEET 1 F 2 GLY E 147 SER E 152 0 SHEET 2 F 2 VAL E 247 PRO E 251 -1 O ILE E 250 N TYR E 148 SSBOND 1 CYS A 14 CYS A 43 1555 1555 2.03 SSBOND 2 CYS A 26 CYS B 71 1555 1555 2.02 SSBOND 3 CYS B 62 CYS B 128 1555 1555 2.01 SSBOND 4 CYS B 63 CYS B 67 1555 1555 2.00 SSBOND 5 CYS B 100 CYS B 132 1555 1555 2.03 SSBOND 6 CYS B 108 CYS B 119 1555 1555 2.03 SSBOND 7 CYS D 14 CYS D 43 1555 1555 2.03 SSBOND 8 CYS D 26 CYS E 71 1555 1555 2.04 SSBOND 9 CYS E 62 CYS E 128 1555 1555 2.03 SSBOND 10 CYS E 63 CYS E 67 1555 1555 2.02 SSBOND 11 CYS E 100 CYS E 132 1555 1555 2.03 SSBOND 12 CYS E 108 CYS E 119 1555 1555 2.02 LINK SG CYS D 29 C3 EP0 E 2 1555 1555 1.78 LINK SG CYS A 29 C3 EP0 A 48 1555 1555 1.82 CISPEP 1 SER B 137 PRO B 138 0 0.08 CISPEP 2 SER E 137 PRO E 138 0 0.45 SITE 1 AC1 15 GLN A 23 GLY A 24 CYS A 26 GLY A 27 SITE 2 AC1 15 SER A 28 CYS A 29 TRP A 30 HOH A 267 SITE 3 AC1 15 HOH A 268 GLY B 73 GLY B 74 HIS B 110 SITE 4 AC1 15 HIS B 111 HIS B 199 TRP B 221 SITE 1 AC2 15 GLN D 23 GLY D 24 GLY D 27 SER D 28 SITE 2 AC2 15 CYS D 29 TRP D 30 GLY E 73 GLY E 74 SITE 3 AC2 15 HIS E 110 HIS E 111 ALA E 173 GLY E 198 SITE 4 AC2 15 HIS E 199 ALA E 200 TRP E 221 CRYST1 86.510 34.150 85.530 90.00 103.10 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 0.011559 0.000000 0.002690 0.00000 SCALE2 0.000000 0.029283 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012004 0.00000 MTRIX1 1 0.018575 -0.006577 -0.999806 83.33200 1 MTRIX2 1 0.023824 0.999697 -0.006133 -25.12100 1 MTRIX3 1 0.999544 -0.023700 0.018726 19.00400 1