4ER1 - Header Asymmetric Unit

HEADER HYDROLASE/HYDROLASE INHIBITOR 14-OCT-90 4ER1

TITLE THE ACTIVE SITE OF ASPARTIC PROTEINASES

COMPND MOL_ID: 1; COMPND 2 MOLECULE: ENDOTHIAPEPSIN; COMPND 3 CHAIN: E; COMPND 4 EC: 3.4.23.6; COMPND 5 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CRYPHONECTRIA PARASITICA; SOURCE 3 ORGANISM_COMMON: CHESTNUT BLIGHT FUNGUS; SOURCE 4 ORGANISM_TAXID: 5116

KEYWDS ACID PROTEINASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX

EXPDTA X-RAY DIFFRACTION

AUTHOR J.W.QUAIL,J.B.COOPER,M.SZELKE,T.L.BLUNDELL

REVDAT 4 13-JUL-11 4ER1 1 VERSN REVDAT 3 25-AUG-09 4ER1 1 SOURCE REVDAT 2 24-FEB-09 4ER1 1 VERSN REVDAT 1 15-JAN-91 4ER1 0

JRNL AUTH L.PEARL,T.BLUNDELL JRNL TITL THE ACTIVE SITE OF ASPARTIC PROTEINASES JRNL REF FEBS LETT. V. 174 96 1984 JRNL REFN ISSN 0014-5793 JRNL PMID 6381096 JRNL DOI 10.1016/0014-5793(84)81085-6

REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.L.BLUNDELL,H.B.JONES,G.KHAN,G.TAYLOR,T.S.SEWELL,L.H.PEARL, REMARK 1 AUTH 2 S.P.WOOD REMARK 1 TITL ACTIVE SITE OF ACID PROTEINASES REMARK 1 REF PROC.FEBS MEET. V. 60 281 1979 REMARK 1 REFN ISSN 0071-4402 REMARK 1 REFERENCE 2 REMARK 1 AUTH T.L.BLUNDELL,J.A.JENKINS,G.KHAN,P.ROYCHOWDHURY,T.SEWELL, REMARK 1 AUTH 2 I.J.TICKLE,E.A.WOOD REMARK 1 TITL THE THREE-DIMENSIONAL STRUCTURE OF ACID PROTEINASES REMARK 1 REF PROC.FEBS MEET. V. 52 81 1979 REMARK 1 REFN ISSN 0071-4402 REMARK 1 REFERENCE 3 REMARK 1 AUTH T.L.BLUNDELL,B.T.SEWELL,A.D.MCLACHLAN REMARK 1 TITL FOUR-FOLD STRUCTURAL REPEAT IN THE ACID PROTEASES REMARK 1 REF BIOCHIM.BIOPHYS.ACTA V. 580 24 1979 REMARK 1 REFN ISSN 0006-3002 REMARK 1 REFERENCE 4 REMARK 1 AUTH J.TANG,M.N.G.JAMES,I.N.HSU,J.A.JENKINS,T.L.BLUNDELL REMARK 1 TITL STRUCTURAL EVIDENCE FOR GENE DUPLICATION IN THE EVOLUTION OF REMARK 1 TITL 2 ACID PROTEASES REMARK 1 REF NATURE V. 271 618 1978 REMARK 1 REFN ISSN 0028-0836 REMARK 1 REFERENCE 5 REMARK 1 AUTH E.SUBRAMANIAN,I.D.A.SWAN,M.LIU,D.R.DAVIES,J.A.JENKINS, REMARK 1 AUTH 2 I.J.TICKLE,T.L.BLUNDELL REMARK 1 TITL HOMOLOGY AMONG ACID PROTEASES. COMPARISON OF CRYSTAL REMARK 1 TITL 2 STRUCTURES AT 3 ANGSTROMS RESOLUTION OF ACID PROTEASES FROM REMARK 1 TITL 3 RHIZOPUS CHINENSIS AND ENDOTHIA PARASITICA REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 74 556 1977 REMARK 1 REFN ISSN 0027-8424 REMARK 1 REFERENCE 6 REMARK 1 AUTH J.JENKINS,I.TICKLE,T.SEWELL,L.UNGARETTI,A.WOLLMER,T.BLUNDELL REMARK 1 TITL X-RAY ANALYSIS AND CIRCULAR DICHROISM OF THE ACID PROTEASE REMARK 1 TITL 2 FROM ENDOTHIA PARASITICA AND CHYMOSIN REMARK 1 EDIT J.TANG REMARK 1 REF ADV.EXP.MED.BIOL. V. 95 43 1977 REMARK 1 PUBL PLENUM,NEW YORK REMARK 1 REFN ISSN 0065-2598

REMARK 2 REMARK 2 RESOLUTION. 2.00 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PROLSQ REMARK 3 AUTHORS : KONNERT,HENDRICKSON REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 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 + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.143 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 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2389 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 60 REMARK 3 SOLVENT ATOMS : 260 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 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 DISTANCE RESTRAINTS. RMS SIGMA REMARK 3 BOND LENGTH (A) : NULL ; NULL REMARK 3 ANGLE DISTANCE (A) : NULL ; NULL REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : NULL ; NULL 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) : NULL ; NULL REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : NULL ; NULL REMARK 3 MULTIPLE TORSION (A) : NULL ; NULL REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : NULL ; NULL REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : NULL ; NULL REMARK 3 STAGGERED (DEGREES) : NULL ; NULL REMARK 3 TRANSVERSE (DEGREES) : NULL ; 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 OTHER REFINEMENT REMARKS: THE QUANTITY GIVEN IN THE TEMPERATURE REMARK 3 FACTOR FIELD OF THE *ATOM* AND *HETATM* RECORDS BELOW IS U**2, REMARK 3 WHICH IS THE MEAN-SQUARE AMPLITUDE OF ATOMIC VIBRATION. THE REMARK 3 TEMPERATURE FACTOR, B, CAN BE DERIVED BY THE FOLLOWING RELATION - REMARK 3 B = 8 * (PI)**2 * U**2. IT IS AN INDICATION OF POSSIBLE ERRORS IN REMARK 3 THE REFINEMENT THAT SOME ARE SLIGHTLY NEGATIVE.

REMARK 4 REMARK 4 4ER1 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: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 38.88 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.01 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 37.90000 REMARK 290 SMTRY3 2 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 O HOH E 464 O HOH E 465 0.19 REMARK 500 O HOH E 342 O HOH E 513 0.31 REMARK 500 O HOH E 474 O HOH E 475 2.06 REMARK 500 O HOH E 575 O HOH E 576 2.19 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 GLN E 19 CD GLN E 19 OE1 0.136 REMARK 500 GLU E 44 C THR E 45 N -0.154 REMARK 500 ASP E 51 CB ASP E 51 CG 0.128 REMARK 500 GLY E 92 N GLY E 92 CA 0.092 REMARK 500 SER E 110 CA SER E 110 CB 0.092 REMARK 500 GLY E 237 N GLY E 237 CA 0.090 REMARK 500 GLY E 260 N GLY E 260 CA 0.095 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 TYR E 14 CB - CG - CD2 ANGL. DEV. = -4.4 DEGREES REMARK 500 TYR E 14 CB - CG - CD1 ANGL. DEV. = 6.7 DEGREES REMARK 500 TYR E 14 CD1 - CE1 - CZ ANGL. DEV. = 7.7 DEGREES REMARK 500 VAL E 18 CA - CB - CG1 ANGL. DEV. = 13.3 DEGREES REMARK 500 ALA E 24 N - CA - CB ANGL. DEV. = 9.9 DEGREES REMARK 500 PHE E 31 CD1 - CG - CD2 ANGL. DEV. = 8.4 DEGREES REMARK 500 PHE E 31 CB - CG - CD1 ANGL. DEV. = -5.2 DEGREES REMARK 500 PHE E 31 CG - CD2 - CE2 ANGL. DEV. = -8.8 DEGREES REMARK 500 ASP E 37 OD1 - CG - OD2 ANGL. DEV. = -14.2 DEGREES REMARK 500 ASP E 37 CB - CG - OD1 ANGL. DEV. = 9.7 DEGREES REMARK 500 PHE E 41 CG - CD2 - CE2 ANGL. DEV. = 7.2 DEGREES REMARK 500 GLU E 44 OE1 - CD - OE2 ANGL. DEV. = -11.0 DEGREES REMARK 500 ASP E 51 CA - CB - CG ANGL. DEV. = 14.3 DEGREES REMARK 500 ASP E 51 CB - CG - OD2 ANGL. DEV. = 8.0 DEGREES REMARK 500 TYR E 56 CB - CG - CD2 ANGL. DEV. = 7.9 DEGREES REMARK 500 TYR E 56 CB - CG - CD1 ANGL. DEV. = -9.4 DEGREES REMARK 500 TYR E 56 CG - CD1 - CE1 ANGL. DEV. = -9.4 DEGREES REMARK 500 TYR E 56 CG - CD2 - CE2 ANGL. DEV. = 5.4 DEGREES REMARK 500 TYR E 56 CD1 - CE1 - CZ ANGL. DEV. = 10.5 DEGREES REMARK 500 TYR E 75 CD1 - CG - CD2 ANGL. DEV. = 7.5 DEGREES REMARK 500 TYR E 75 CB - CG - CD1 ANGL. DEV. = -5.9 DEGREES REMARK 500 TYR E 75 CG - CD1 - CE1 ANGL. DEV. = -5.7 DEGREES REMARK 500 GLY E 78 O - C - N ANGL. DEV. = -12.5 DEGREES REMARK 500 TYR E 85 CB - CG - CD1 ANGL. DEV. = -4.1 DEGREES REMARK 500 TYR E 85 CG - CD1 - CE1 ANGL. DEV. = -4.8 DEGREES REMARK 500 GLY E 92 C - N - CA ANGL. DEV. = -13.0 DEGREES REMARK 500 PHE E 111 CG - CD2 - CE2 ANGL. DEV. = 6.7 DEGREES REMARK 500 PHE E 111 CD1 - CE1 - CZ ANGL. DEV. = 9.4 DEGREES REMARK 500 SER E 115 N - CA - CB ANGL. DEV. = -9.2 DEGREES REMARK 500 LEU E 120 CB - CG - CD1 ANGL. DEV. = 11.4 DEGREES REMARK 500 PHE E 125 CB - CG - CD1 ANGL. DEV. = -4.6 DEGREES REMARK 500 ASP E 140 CB - CG - OD1 ANGL. DEV. = -6.6 DEGREES REMARK 500 ASP E 154 CB - CG - OD2 ANGL. DEV. = 8.1 DEGREES REMARK 500 TYR E 157 CB - CG - CD1 ANGL. DEV. = -3.8 DEGREES REMARK 500 TYR E 157 CD1 - CE1 - CZ ANGL. DEV. = -6.2 DEGREES REMARK 500 PRO E 162 C - N - CA ANGL. DEV. = -10.6 DEGREES REMARK 500 PHE E 169 CB - CG - CD1 ANGL. DEV. = 4.9 DEGREES REMARK 500 PHE E 169 CG - CD1 - CE1 ANGL. DEV. = 7.5 DEGREES REMARK 500 TYR E 175 CB - CG - CD1 ANGL. DEV. = -5.1 DEGREES REMARK 500 TYR E 175 CG - CD1 - CE1 ANGL. DEV. = -5.0 DEGREES REMARK 500 ALA E 174 O - C - N ANGL. DEV. = -10.3 DEGREES REMARK 500 TYR E 181 CB - CG - CD1 ANGL. DEV. = -6.4 DEGREES REMARK 500 VAL E 184 CA - CB - CG2 ANGL. DEV. = -9.8 DEGREES REMARK 500 SER E 184A N - CA - CB ANGL. DEV. = -9.1 DEGREES REMARK 500 GLU E 191 OE1 - CD - OE2 ANGL. DEV. = -9.8 DEGREES REMARK 500 ASP E 211 CA - CB - CG ANGL. DEV. = -13.3 DEGREES REMARK 500 VAL E 228 CG1 - CB - CG2 ANGL. DEV. = -11.0 DEGREES REMARK 500 TYR E 246 CB - CG - CD1 ANGL. DEV. = -7.1 DEGREES REMARK 500 PHE E 248 CB - CG - CD2 ANGL. DEV. = -6.9 DEGREES REMARK 500 PHE E 257 CZ - CE2 - CD2 ANGL. DEV. = -10.2 DEGREES REMARK 500 REMARK 500 THIS ENTRY HAS 64 ANGLE DEVIATIONS. 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 SER E 36 27.05 -140.02 REMARK 500 ALA E 317 176.20 -54.78 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 ARG E 265 0.11 SIDE CHAIN 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 ALA E 24 19.7 L L OUTSIDE RANGE REMARK 500 REMARK 500 REMARK: NULL

REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH E 416 DISTANCE = 5.32 ANGSTROMS REMARK 525 HOH E 551 DISTANCE = 5.32 ANGSTROMS REMARK 525 HOH E 553 DISTANCE = 5.85 ANGSTROMS

REMARK 600 REMARK 600 HETEROGEN REMARK 600 THE INHIBITOR SUBCOMPONENT CAL IS CYCLOHEXYL ALA-LEU WITH THE REMARK 600 PEPTIDE BOND REPLACED BY CHOH-CH2.

REMARK 630 REMARK 630 MOLECULE TYPE: NULL REMARK 630 MOLECULE NAME: N-[(1R,2R,4R)-1-(CYCLOHEXYLMETHYL)-2-HYDROXY-6- REMARK 630 METHYL-4-{[(2R)-2-METHYLBUTYL]CARBAMOYL}HEPTYL]-3-(1H-IMIDAZOL-3- REMARK 630 IUM-4-YL)-N~2~-[3-NAPHTHALEN-1-YL-2-(NAPHTHALEN-1-YLMETHYL) REMARK 630 PROPANOYL]-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 0ZP E 327 REMARK 630 SOURCE: NULL REMARK 630 TAXONOMY: NULL REMARK 630 SUBCOMP: BNA HIS CAL DCI 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 0ZP E 327 REMARK 800 REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: AUTHOR REMARK 800 SITE_DESCRIPTION: CATALYTIC RESIDUES

REMARK 999 REMARK 999 SEQUENCE REMARK 999 THE COMPLETE SEQUENCE WAS DETERMINED BY V. PEDERSEN AS REMARK 999 TRYPTIC FRAGMENTS WHICH WERE ALIGNED IN THE ELECTRON REMARK 999 DENSITY. HOMOLOGY WITH OTHER ASPARTIC PROTEINASES WAS USED REMARK 999 TO RESOLVE ALIGNMENT AMBIGUITIES. THE RESIDUE NUMBERING IS REMARK 999 BASED ON THAT OF PORCINE PEPSIN.

DBREF 4ER1 E -2 326 UNP P11838 CARP_CRYPA 90 419

SEQRES 1 E 330 SER THR GLY SER ALA THR THR THR PRO ILE ASP SER LEU SEQRES 2 E 330 ASP ASP ALA TYR ILE THR PRO VAL GLN ILE GLY THR PRO SEQRES 3 E 330 ALA GLN THR LEU ASN LEU ASP PHE ASP THR GLY SER SER SEQRES 4 E 330 ASP LEU TRP VAL PHE SER SER GLU THR THR ALA SER GLU SEQRES 5 E 330 VAL ASP GLY GLN THR ILE TYR THR PRO SER LYS SER THR SEQRES 6 E 330 THR ALA LYS LEU LEU SER GLY ALA THR TRP SER ILE SER SEQRES 7 E 330 TYR GLY ASP GLY SER SER SER SER GLY ASP VAL TYR THR SEQRES 8 E 330 ASP THR VAL SER VAL GLY GLY LEU THR VAL THR GLY GLN SEQRES 9 E 330 ALA VAL GLU SER ALA LYS LYS VAL SER SER SER PHE THR SEQRES 10 E 330 GLU ASP SER THR ILE ASP GLY LEU LEU GLY LEU ALA PHE SEQRES 11 E 330 SER THR LEU ASN THR VAL SER PRO THR GLN GLN LYS THR SEQRES 12 E 330 PHE PHE ASP ASN ALA LYS ALA SER LEU ASP SER PRO VAL SEQRES 13 E 330 PHE THR ALA ASP LEU GLY TYR HIS ALA PRO GLY THR TYR SEQRES 14 E 330 ASN PHE GLY PHE ILE ASP THR THR ALA TYR THR GLY SER SEQRES 15 E 330 ILE THR TYR THR ALA VAL SER THR LYS GLN GLY PHE TRP SEQRES 16 E 330 GLU TRP THR SER THR GLY TYR ALA VAL GLY SER GLY THR SEQRES 17 E 330 PHE LYS SER THR SER ILE ASP GLY ILE ALA ASP THR GLY SEQRES 18 E 330 THR THR LEU LEU TYR LEU PRO ALA THR VAL VAL SER ALA SEQRES 19 E 330 TYR TRP ALA GLN VAL SER GLY ALA LYS SER SER SER SER SEQRES 20 E 330 VAL GLY GLY TYR VAL PHE PRO CYS SER ALA THR LEU PRO SEQRES 21 E 330 SER PHE THR PHE GLY VAL GLY SER ALA ARG ILE VAL ILE SEQRES 22 E 330 PRO GLY ASP TYR ILE ASP PHE GLY PRO ILE SER THR GLY SEQRES 23 E 330 SER SER SER CYS PHE GLY GLY ILE GLN SER SER ALA GLY SEQRES 24 E 330 ILE GLY ILE ASN ILE PHE GLY ASP VAL ALA LEU LYS ALA SEQRES 25 E 330 ALA PHE VAL VAL PHE ASN GLY ALA THR THR PRO THR LEU SEQRES 26 E 330 GLY PHE ALA SER LYS

HET 0ZP E 327 60

HETNAM 0ZP N-[(1R,2R,4R)-1-(CYCLOHEXYLMETHYL)-2-HYDROXY-6-METHYL- HETNAM 2 0ZP 4-{[(2R)-2-METHYLBUTYL]CARBAMOYL}HEPTYL]-3-(1H- HETNAM 3 0ZP IMIDAZOL-3-IUM-4-YL)-N~2~-[3-NAPHTHALEN-1-YL-2- HETNAM 4 0ZP (NAPHTHALEN-1-YLMETHYL)PROPANOYL]-L-ALANINAMIDE

HETSYN 0ZP PD125967

FORMUL 2 0ZP C51 H68 N5 O4 1+ FORMUL 3 HOH *260(H2 O)

HELIX 1 H1 THR E 57 SER E 61 1 5 HELIX 2 H2 SER E 108 GLU E 113 1 6 HELIX 3 H3 THR E 137 LYS E 143 1 7 HELIX 4 H4 PRO E 224 GLN E 234 1 11 HELIX 5 H5 GLY E 303 LYS E 308 1 6

SHEET 1 N1 8 THR E -1 ILE E 7 0 SHEET 2 N1 8 ALA E 13 GLY E 21 -1 N ILE E 15 O THR E 5 SHEET 3 N1 8 ALA E 24 THR E 33 -1 N LEU E 29 O THR E 16 SHEET 4 N1 8 ILE E 117 ALA E 124 1 N LEU E 121 O ASP E 30 SHEET 5 N1 8 SER E 36 GLU E 44 -1 N TRP E 39 O LEU E 120 SHEET 6 N1 8 GLN E 99 LYS E 105 1 N ALA E 104 O VAL E 40 SHEET 7 N1 8 GLY E 78 ASP E 87 -1 N ASP E 83 O SER E 103 SHEET 8 N1 8 TRP E 71 GLY E 76 -1 N TRP E 71 O GLY E 82 SHEET 1 C1 8 SER E 178 LYS E 186 0 SHEET 2 C1 8 PHE E 189 THR E 195 -1 N GLU E 191 O SER E 184A SHEET 3 C1 8 ASP E 211 THR E 216 -1 N GLY E 212 O TRP E 192 SHEET 4 C1 8 ILE E 299 PHE E 302 1 N PHE E 302 O ILE E 213 SHEET 5 C1 8 THR E 219 PRO E 224 -1 N TYR E 222 O ILE E 301 SHEET 6 C1 8 SER E 282 SER E 294 1 N GLN E 288 O LEU E 221 SHEET 7 C1 8 GLY E 244 CYS E 250 -1 N PHE E 248 O CYS E 283 SHEET 8 C1 8 ALA E 238 SER E 241 -1 N LYS E 238A O VAL E 247 SHEET 1 N2 4 ALA E 24 ASN E 28 0 SHEET 2 N2 4 PRO E 17 GLY E 21 -1 N ILE E 20 O GLN E 25 SHEET 3 N2 4 VAL E 89 VAL E 91 -1 N SER E 90 O GLN E 19 SHEET 4 N2 4 LEU E 94 VAL E 96 -1 N VAL E 96 O VAL E 89 SHEET 1 C2 4 GLY E 202 LYS E 204 0 SHEET 2 C2 4 GLY E 196 VAL E 199 -1 N TYR E 197 O LYS E 204 SHEET 3 C2 4 SER E 256 VAL E 261 -1 N GLY E 260 O GLY E 196 SHEET 4 C2 4 ALA E 264 ILE E 268 -1 N ILE E 266 O PHE E 259 SHEET 1 NC 6 THR E -1 ILE E 7 0 SHEET 2 NC 6 PRO E 162 THR E 172 -1 N TYR E 165 O ALA E 2 SHEET 3 NC 6 SER E 148 TYR E 157 -1 N ASP E 154 O THR E 164 SHEET 4 NC 6 ALA E 310 GLY E 316 -1 N VAL E 312 O ALA E 153 SHEET 5 NC 6 THR E 319 LYS E 326 -1 N GLY E 322 O VAL E 313 SHEET 6 NC 6 SER E 178 LYS E 186 -1 N THR E 182 O LEU E 321

SSBOND 1 CYS E 250 CYS E 283 1555 1555 2.07

CISPEP 1 THR E 22 PRO E 23 0 -11.30 CISPEP 2 SER E 132 PRO E 133 0 5.54

SITE 1 AC1 23 ASP E 12 ALA E 13 ASP E 30 ASP E 32 SITE 2 AC1 23 GLY E 34 SER E 35 TYR E 75 GLY E 76 SITE 3 AC1 23 ASP E 77 PHE E 111 ASP E 114 PHE E 189 SITE 4 AC1 23 ILE E 213 ASP E 215 GLY E 217 THR E 218 SITE 5 AC1 23 THR E 219 LEU E 220 TYR E 222 ILE E 299 SITE 6 AC1 23 ILE E 301 HOH E 329 HOH E 587 SITE 1 CAT 2 ASP E 32 ASP E 215

CRYST1 43.100 75.800 43.000 90.00 97.00 90.00 P 1 21 1 2

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 0.023201 0.000000 0.002849 0.00000

SCALE2 0.000000 0.013193 0.000000 0.00000

SCALE3 0.000000 0.000000 0.023431 0.00000