HEADER HYDROLASE (SULFHYDRYL PROTEINASE) 14-MAY-91 1PE6 TITLE REFINED X-RAY STRUCTURE OF PAPAIN(DOT)E-64-C COMPLEX AT 2.1-ANGSTROMS TITLE 2 RESOLUTION COMPND MOL_ID: 1; COMPND 2 MOLECULE: PAPAIN; COMPND 3 CHAIN: A; COMPND 4 EC: 3.4.22.2; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CARICA PAPAYA; SOURCE 3 ORGANISM_COMMON: PAPAYA; SOURCE 4 ORGANISM_TAXID: 3649 KEYWDS HYDROLASE (SULFHYDRYL PROTEINASE) EXPDTA X-RAY DIFFRACTION AUTHOR D.YAMAMOTO,K.MATSUMOTO,H.OHISHI,T.ISHIDA,M.INOUE,K.KITAMURA,H.MIZUNO REVDAT 6 09-MAY-12 1PE6 1 VERSN COMPND REVDAT 5 25-AUG-09 1PE6 1 SOURCE REVDAT 4 24-FEB-09 1PE6 1 VERSN REVDAT 3 01-APR-03 1PE6 1 JRNL REVDAT 2 15-MAY-95 1PE6 1 SEQRES REVDAT 1 15-APR-93 1PE6 0 JRNL AUTH D.YAMAMOTO,K.MATSUMOTO,H.OHISHI,T.ISHIDA,M.INOUE,K.KITAMURA, JRNL AUTH 2 H.MIZUNO JRNL TITL REFINED X-RAY STRUCTURE OF PAPAIN.E-64-C COMPLEX AT 2.1-A JRNL TITL 2 RESOLUTION. JRNL REF J.BIOL.CHEM. V. 266 14771 1991 JRNL REFN ISSN 0021-9258 JRNL PMID 1860874 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH K.MATSUMOTO,D.YAMAMOTO,H.OHISHI,K.TOMOO,T.ISHIDA,M.INOUE, REMARK 1 AUTH 2 T.SADATOME,K.KITAMURA,H.MIZUNO REMARK 1 TITL MODE OF BINDING OF E-64-C, A POTENT THIOL PROTEASE REMARK 1 TITL 2 INHIBITOR, TO PAPAIN AS DETERMINED BY X-RAY CRYSTAL ANALYSIS REMARK 1 TITL 3 OF THE COMPLEX REMARK 1 REF FEBS LETT. V. 245 171 1989 REMARK 1 REFN ISSN 0014-5793 REMARK 1 REFERENCE 2 REMARK 1 AUTH D.YAMAMOTO,K.MATSUMOTO,H.OHISHI,T.ISHIDA,M.INOUE,K.KITAMURA, REMARK 1 AUTH 2 H.MIZUNO REMARK 1 TITL THE IMPORTANCE OF VAL-157 HYDROPHOBIC INTERACTION FOR PAPAIN REMARK 1 TITL 2 INHIBITORY ACTIVITY OF AN EPOXYSUCCINYL AMINO ACID REMARK 1 TITL 3 DERIVATIVE; A STRUCTURE-ACTIVITY RELATIONSHIP BASED ON THE REMARK 1 TITL 4 CRYSTAL STRUCTURE OF THE PAPAIN-E-64-C COMPLEX REMARK 1 REF FEBS LETT. V. 253 134 1990 REMARK 1 REFN ISSN 0014-5793 REMARK 2 REMARK 2 RESOLUTION. 2.10 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) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 10168 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) : 0.159 REMARK 3 R VALUE (WORKING SET) : NULL 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 : 1655 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 50 REMARK 3 SOLVENT ATOMS : 181 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) : 0.011 ; 0.020 REMARK 3 ANGLE DISTANCE (A) : 0.040 ; 0.035 REMARK 3 INTRAPLANAR 1-4 DISTANCE (A) : 0.045 ; 0.045 REMARK 3 H-BOND OR METAL COORDINATION (A) : NULL ; NULL REMARK 3 REMARK 3 PLANE RESTRAINT (A) : 0.012 ; 0.020 REMARK 3 CHIRAL-CENTER RESTRAINT (A**3) : 0.159 ; 0.140 REMARK 3 REMARK 3 NON-BONDED CONTACT RESTRAINTS. REMARK 3 SINGLE TORSION (A) : 0.186 ; 0.250 REMARK 3 MULTIPLE TORSION (A) : 0.172 ; 0.250 REMARK 3 H-BOND (X...Y) (A) : NULL ; NULL REMARK 3 H-BOND (X-H...Y) (A) : 0.243 ; 0.250 REMARK 3 REMARK 3 CONFORMATIONAL TORSION ANGLE RESTRAINTS. REMARK 3 SPECIFIED (DEGREES) : NULL ; NULL REMARK 3 PLANAR (DEGREES) : 2.400 ; 3.000 REMARK 3 STAGGERED (DEGREES) : 18.000; 25.000 REMARK 3 TRANSVERSE (DEGREES) : NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 0.750 ; 1.000 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.251 ; 1.500 REMARK 3 SIDE-CHAIN BOND (A**2) : 0.845 ; 1.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 1.482 ; 1.500 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1PE6 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 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: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.65 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.18 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 21.45000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 24.99500 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.75500 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 24.99500 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 21.45000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.75500 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 400 REMARK 400 COMPOUND REMARK 400 THE SG ATOM OF CYS 25, THE CATALYTIC CENTER OF PAPAIN, REMARK 400 COVALENTLY BONDS TO THE C2 ATOM OF E-64-C, AND THE LEUCYL REMARK 400 AND ISOAMYLAMIDE GROUPS OF E-64-C INTERACT WITH THE REMARK 400 RESIDUES OF PAPAIN S SUBSITES. NOTE ESPECIALLY THAT A REMARK 400 HYDROGEN BONDING PAIR, FASHIONED LIKE A PARALLEL REMARK 400 BETA-SHEET, IS FORMED BETWEEN THE PEPTIDE MOIETIES OF REMARK 400 E-64-C AND RESIDUE GLY 66. REMARK 400 REMARK 400 THE CRYSTALS USED IN THIS STUDY ARE OF THE D TYPE. 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 GLU A 50 CA - CB - CG ANGL. DEV. = 13.4 DEGREES REMARK 500 ARG A 83 CD - NE - CZ ANGL. DEV. = 10.5 DEGREES REMARK 500 ARG A 83 NE - CZ - NH1 ANGL. DEV. = 3.1 DEGREES REMARK 500 ARG A 83 NE - CZ - NH2 ANGL. DEV. = -3.2 DEGREES REMARK 500 ARG A 93 NE - CZ - NH1 ANGL. DEV. = 4.1 DEGREES REMARK 500 ARG A 93 NE - CZ - NH2 ANGL. DEV. = -4.2 DEGREES REMARK 500 ASP A 108 CB - CG - OD2 ANGL. DEV. = -5.6 DEGREES REMARK 500 ARG A 111 NE - CZ - NH1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG A 111 NE - CZ - NH2 ANGL. DEV. = -5.5 DEGREES REMARK 500 ARG A 145 CA - CB - CG ANGL. DEV. = 16.8 DEGREES REMARK 500 ARG A 145 CG - CD - NE ANGL. DEV. = 19.7 DEGREES REMARK 500 ARG A 145 NE - CZ - NH1 ANGL. DEV. = -3.7 DEGREES REMARK 500 ARG A 145 NE - CZ - NH2 ANGL. DEV. = 4.2 DEGREES REMARK 500 VAL A 164 CB - CA - C ANGL. DEV. = 12.3 DEGREES REMARK 500 VAL A 164 N - CA - CB ANGL. DEV. = -17.8 DEGREES REMARK 500 ARG A 191 NE - CZ - NH2 ANGL. DEV. = 3.2 DEGREES REMARK 500 SER A 205 N - CA - CB ANGL. DEV. = -9.0 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 SER A 21 55.83 -96.35 REMARK 500 TYR A 78 -65.88 -108.23 REMARK 500 GLN A 128 164.34 179.34 REMARK 500 CYS A 153 144.36 -173.45 REMARK 500 ASP A 158 5.14 -154.32 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 ARG A 58 24.5 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 A 271 DISTANCE = 5.11 ANGSTROMS REMARK 525 HOH A 297 DISTANCE = 8.17 ANGSTROMS REMARK 525 HOH A 308 DISTANCE = 5.38 ANGSTROMS REMARK 525 HOH A 309 DISTANCE = 6.26 ANGSTROMS REMARK 525 HOH A 310 DISTANCE = 5.15 ANGSTROMS REMARK 525 HOH A 314 DISTANCE = 5.21 ANGSTROMS REMARK 525 HOH A 361 DISTANCE = 5.29 ANGSTROMS REMARK 525 HOH A 368 DISTANCE = 9.10 ANGSTROMS REMARK 525 HOH A 407 DISTANCE = 5.49 ANGSTROMS REMARK 600 REMARK 600 HETEROGEN REMARK 600 E6C IS (2S,3S)-3-(1-(N-(3-METHYLBUTYL)AMINO)- REMARK 600 LEUCYLCARBOXYL)OXIRANE-2-CARBOXYLATE. THIS COMPOUND WAS REMARK 600 DESIGNED FROM THE NATURAL PRODUCT E-64. E-64-C CONSISTS OF REMARK 600 L-TRANSEPOXYSUCCINYL, L-LEUCYL, AND ISOAMYLAMIDE MOIETIES, REMARK 600 AND THE CARBON ATOMS OF THE EPOXY RING HAVE AN R REMARK 600 CONFIGURATION IN THIS COMPLEX. NOTE THAT THE BOND BETWEEN REMARK 600 ATOMS O1 AND C2 IS BROKEN WHEN E-64-C BINDS TO PAPAIN IN REMARK 600 THIS STRUCTURE. REMARK 700 REMARK 700 SHEET REMARK 700 THE SHEET STRUCTURE OF THIS MOLECULE IS BIFURCATED. IN REMARK 700 ORDER TO REPRESENT THIS FEATURE IN THE SHEET RECORDS BELOW, REMARK 700 TWO SHEETS ARE DEFINED. STRANDS 4, 5, 6 OF S1A ARE REMARK 700 IDENTICAL TO STRANDS 2, 3, 4 OF SHEET S1B. REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE E6C A 213 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 214 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 215 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 216 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC5 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 218 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC6 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 219 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC7 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 220 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC8 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 221 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC9 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 222 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 223 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 224 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 225 REMARK 800 REMARK 800 SITE_IDENTIFIER: BC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MOH A 226 DBREF 1PE6 A 1 212 UNP P00784 PAPA_CARPA 134 345 SEQADV 1PE6 GLN A 47 UNP P00784 GLU 180 CONFLICT SEQADV 1PE6 GLN A 118 UNP P00784 GLU 251 CONFLICT SEQADV 1PE6 GLN A 135 UNP P00784 GLU 268 CONFLICT SEQRES 1 A 212 ILE PRO GLU TYR VAL ASP TRP ARG GLN LYS GLY ALA VAL SEQRES 2 A 212 THR PRO VAL LYS ASN GLN GLY SER CYS GLY SER CYS TRP SEQRES 3 A 212 ALA PHE SER ALA VAL VAL THR ILE GLU GLY ILE ILE LYS SEQRES 4 A 212 ILE ARG THR GLY ASN LEU ASN GLN TYR SER GLU GLN GLU SEQRES 5 A 212 LEU LEU ASP CYS ASP ARG ARG SER TYR GLY CYS ASN GLY SEQRES 6 A 212 GLY TYR PRO TRP SER ALA LEU GLN LEU VAL ALA GLN TYR SEQRES 7 A 212 GLY ILE HIS TYR ARG ASN THR TYR PRO TYR GLU GLY VAL SEQRES 8 A 212 GLN ARG TYR CYS ARG SER ARG GLU LYS GLY PRO TYR ALA SEQRES 9 A 212 ALA LYS THR ASP GLY VAL ARG GLN VAL GLN PRO TYR ASN SEQRES 10 A 212 GLN GLY ALA LEU LEU TYR SER ILE ALA ASN GLN PRO VAL SEQRES 11 A 212 SER VAL VAL LEU GLN ALA ALA GLY LYS ASP PHE GLN LEU SEQRES 12 A 212 TYR ARG GLY GLY ILE PHE VAL GLY PRO CYS GLY ASN LYS SEQRES 13 A 212 VAL ASP HIS ALA VAL ALA ALA VAL GLY TYR GLY PRO ASN SEQRES 14 A 212 TYR ILE LEU ILE LYS ASN SER TRP GLY THR GLY TRP GLY SEQRES 15 A 212 GLU ASN GLY TYR ILE ARG ILE LYS ARG GLY THR GLY ASN SEQRES 16 A 212 SER TYR GLY VAL CYS GLY LEU TYR THR SER SER PHE TYR SEQRES 17 A 212 PRO VAL LYS ASN HET E6C A 213 22 HET MOH A 214 2 HET MOH A 215 2 HET MOH A 216 2 HET MOH A 217 2 HET MOH A 218 2 HET MOH A 219 2 HET MOH A 220 2 HET MOH A 221 2 HET MOH A 222 2 HET MOH A 223 2 HET MOH A 224 2 HET MOH A 225 2 HET MOH A 226 2 HET MOH A 227 2 HETNAM E6C N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO-2-METHYL- HETNAM 2 E6C BUTANE HETNAM MOH METHANOL FORMUL 2 E6C C15 H28 N2 O5 FORMUL 3 MOH 14(C H4 O) FORMUL 17 HOH *181(H2 O) HELIX 1 L1 SER A 24 THR A 42 1INCLUDING 3/10 REGION 19 HELIX 2 L2 GLU A 50 ASP A 57 1 8 HELIX 3 L3 TYR A 67 TYR A 78 1 12 HELIX 4 R1 ASN A 117 ASN A 127 1INCLUDING 3/10 REGION 11 HELIX 5 R2 GLY A 138 GLN A 142 1INCLUDING 3/10 REGION 5 SHEET 1 S1A 6 ASP A 108 VAL A 113 0 SHEET 2 S1A 6 SER A 206 VAL A 210 -1 O SER A 206 N VAL A 113 SHEET 3 S1A 6 VAL A 130 LEU A 134 -1 O SER A 131 N PHE A 207 SHEET 4 S1A 6 ASP A 158 GLY A 167 -1 O HIS A 159 N LEU A 134 SHEET 5 S1A 6 TYR A 170 ASN A 175 -1 N LEU A 172 O GLY A 165 SHEET 6 S1A 6 GLY A 185 ARG A 191 -1 N ILE A 189 O ILE A 171 SHEET 1 S1B 4 VAL A 5 TRP A 7 0 SHEET 2 S1B 4 ASP A 158 GLY A 167 -1 N TYR A 166 O VAL A 5 SHEET 3 S1B 4 TYR A 170 ASN A 175 -1 N LEU A 172 O GLY A 165 SHEET 4 S1B 4 GLY A 185 ARG A 191 -1 N ILE A 189 O ILE A 171 SSBOND 1 CYS A 22 CYS A 63 1555 1555 2.06 SSBOND 2 CYS A 56 CYS A 95 1555 1555 2.05 SSBOND 3 CYS A 153 CYS A 200 1555 1555 2.01 LINK SG CYS A 25 C2 E6C A 213 1555 1555 1.80 CISPEP 1 GLY A 151 PRO A 152 0 -0.06 SITE 1 AC1 13 GLN A 19 GLY A 23 SER A 24 CYS A 25 SITE 2 AC1 13 TYR A 61 ASN A 64 GLY A 65 GLY A 66 SITE 3 AC1 13 VAL A 157 ASP A 158 MOH A 216 HOH A 232 SITE 4 AC1 13 HOH A 404 SITE 1 AC2 3 ARG A 41 THR A 42 HOH A 283 SITE 1 AC3 1 GLY A 23 SITE 1 AC4 3 VAL A 110 ARG A 111 E6C A 213 SITE 1 AC5 3 GLY A 20 HOH A 231 HOH A 232 SITE 1 AC6 1 ARG A 8 SITE 1 AC7 2 ARG A 41 LYS A 211 SITE 1 AC8 3 ILE A 148 ASN A 169 LYS A 190 SITE 1 AC9 1 LEU A 45 SITE 1 BC1 2 TYR A 78 HOH A 259 SITE 1 BC2 3 ASN A 127 HOH A 230 HOH A 292 SITE 1 BC3 4 LYS A 100 TRP A 177 THR A 179 GLY A 180 SITE 1 BC4 1 VAL A 133 CRYST1 42.900 95.510 49.990 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 0.023310 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010470 0.000000 0.00000 SCALE3 0.000000 0.000000 0.020004 0.00000