HEADER HYDROLASE/HYDROLASE INHIBITOR 06-APR-12 4EJK TITLE HIV PROTEASE (PR) DIMER IN CLOSED FORM WITH PEPSTATIN IN ACTIVE SITE TITLE 2 AND FRAGMENT 1F1-N IN THE OUTSIDE/TOP OF FLAP CAVEAT 4EJK RESIDUES N IVA 1 AND N VAL 2 ARE NOT PROPERLY LINKED. CAVEAT 2 4EJK RESIDUES N VAL 3 AND N STA 4 ARE NOT PROPERLY LINKED. CAVEAT 3 4EJK RESIDUES N STA 4 AND N ALA 5 ARE NOT PROPERLY LINKED. CAVEAT 4 4EJK RESIDUES N ALA 5 AND N STA 6 ARE NOT PROPERLY LINKED. COMPND MOL_ID: 1; COMPND 2 MOLECULE: PROTEASE; COMPND 3 CHAIN: A, B; COMPND 4 FRAGMENT: UNP RESIDUES 490-588; COMPND 5 SYNONYM: PR, RETROPEPSIN; COMPND 6 EC: 3.4.23.16; COMPND 7 ENGINEERED: YES; COMPND 8 MOL_ID: 2; COMPND 9 MOLECULE: PEPSTATIN; COMPND 10 CHAIN: N; COMPND 11 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HUMAN IMMUNODEFICIENCY VIRUS 1; SOURCE 3 ORGANISM_TAXID: 11676; SOURCE 4 STRAIN: R8; SOURCE 5 GENE: POL; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: ROSETTA2(DE3) PLYSS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET-21A(+); SOURCE 11 MOL_ID: 2; SOURCE 12 SYNTHETIC: YES KEYWDS APO PROTEASE, ALLOSTERY, FRAGMENT BINDING, HYDROLASE-HYDROLASE KEYWDS 2 INHIBITOR COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR T.TIEFENBRUNN,C.D.STOUT REVDAT 3 07-MAR-18 4EJK 1 REMARK REVDAT 2 19-FEB-14 4EJK 1 JRNL REVDAT 1 01-MAY-13 4EJK 0 JRNL AUTH T.TIEFENBRUNN,S.FORLI,M.M.BAKSH,M.W.CHANG,M.HAPPER,Y.C.LIN, JRNL AUTH 2 A.L.PERRYMAN,J.K.RHEE,B.E.TORBETT,A.J.OLSON,J.H.ELDER, JRNL AUTH 3 M.G.FINN,C.D.STOUT JRNL TITL SMALL MOLECULE REGULATION OF PROTEIN CONFORMATION BY BINDING JRNL TITL 2 IN THE FLAP OF HIV PROTEASE. JRNL REF ACS CHEM.BIOL. V. 8 1223 2013 JRNL REFN ISSN 1554-8929 JRNL PMID 23540839 JRNL DOI 10.1021/CB300611P REMARK 2 REMARK 2 RESOLUTION. 1.79 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.79 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.75 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.9 REMARK 3 NUMBER OF REFLECTIONS : 16781 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING + TEST SET) : 0.218 REMARK 3 R VALUE (WORKING SET) : 0.216 REMARK 3 FREE R VALUE : 0.252 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 853 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.79 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.84 REMARK 3 REFLECTION IN BIN (WORKING SET) : 954 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 92.61 REMARK 3 BIN R VALUE (WORKING SET) : 0.2530 REMARK 3 BIN FREE R VALUE SET COUNT : 48 REMARK 3 BIN FREE R VALUE : 0.3530 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1566 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 14 REMARK 3 SOLVENT ATOMS : 107 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 9.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.172 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.151 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.091 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.846 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.912 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.887 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1627 ; 0.005 ; 0.020 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 2203 ; 1.029 ; 2.013 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 205 ; 5.554 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 56 ;39.562 ;25.000 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 297 ;11.116 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 8 ; 8.306 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 268 ; 0.062 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1142 ; 0.004 ; 0.021 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT REMARK 3 U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 4EJK COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-APR-12. REMARK 100 THE DEPOSITION ID IS D_1000071698. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-OCT-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : BRUKER AXS MICROSTAR REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : MULTILAYER MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : APEX II CCD REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SAINT REMARK 200 DATA SCALING SOFTWARE : SAINT V7.68A, SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16781 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.794 REMARK 200 RESOLUTION RANGE LOW (A) : 53.528 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 94.2 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) : 1.79 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.84 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.0 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 : 3.350 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 36.63 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.94 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 1.0 M SODIUM FORMATE, 10% DMSO, 0.1 M REMARK 280 SODIUM ACETATE, PH 4.6, VAPOR DIFFUSION, TEMPERATURE 298K 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 14.32600 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 46.02600 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.89800 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 46.02600 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 14.32600 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.89800 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5200 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 9780 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -31.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, N 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 REMARK 400 THE PEPSTATIN IS OLIGOPEPTIDE, A MEMBER OF ENZYME INHIBITOR CLASS. REMARK 400 REMARK 400 GROUP: 1 REMARK 400 NAME: PEPSTATIN REMARK 400 CHAIN: N REMARK 400 COMPONENT_1: PEPTIDE LIKE POLYMER REMARK 400 DESCRIPTION: NULL REMARK 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 LEU B 23 CG CD1 CD2 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 LEU B 23 CA - CB - CG ANGL. DEV. = 17.7 DEGREES REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IOP A 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN N OF PEPSTATIN REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4EJ8 RELATED DB: PDB REMARK 900 RELATED ID: 4EJD RELATED DB: PDB REMARK 900 RELATED ID: 4EJL RELATED DB: PDB DBREF 4EJK A 1 99 UNP P12499 POL_HV1Z2 490 588 DBREF 4EJK B 1 99 UNP P12499 POL_HV1Z2 490 588 DBREF 4EJK N 1 6 PDB 4EJK 4EJK 1 6 SEQADV 4EJK LYS A 7 UNP P12499 GLN 496 CONFLICT SEQADV 4EJK ARG A 41 UNP P12499 LYS 530 CONFLICT SEQADV 4EJK LYS B 7 UNP P12499 GLN 496 CONFLICT SEQADV 4EJK ARG B 41 UNP P12499 LYS 530 CONFLICT SEQRES 1 A 99 PRO GLN ILE THR LEU TRP LYS ARG PRO LEU VAL THR ILE SEQRES 2 A 99 LYS ILE GLY GLY GLN LEU LYS GLU ALA LEU LEU ASP THR SEQRES 3 A 99 GLY ALA ASP ASP THR VAL LEU GLU GLU MET ASN LEU PRO SEQRES 4 A 99 GLY ARG TRP LYS PRO LYS MET ILE GLY GLY ILE GLY GLY SEQRES 5 A 99 PHE ILE LYS VAL ARG GLN TYR ASP GLN ILE LEU ILE GLU SEQRES 6 A 99 ILE CYS GLY HIS LYS ALA ILE GLY THR VAL LEU VAL GLY SEQRES 7 A 99 PRO THR PRO VAL ASN ILE ILE GLY ARG ASN LEU LEU THR SEQRES 8 A 99 GLN ILE GLY CYS THR LEU ASN PHE SEQRES 1 B 99 PRO GLN ILE THR LEU TRP LYS ARG PRO LEU VAL THR ILE SEQRES 2 B 99 LYS ILE GLY GLY GLN LEU LYS GLU ALA LEU LEU ASP THR SEQRES 3 B 99 GLY ALA ASP ASP THR VAL LEU GLU GLU MET ASN LEU PRO SEQRES 4 B 99 GLY ARG TRP LYS PRO LYS MET ILE GLY GLY ILE GLY GLY SEQRES 5 B 99 PHE ILE LYS VAL ARG GLN TYR ASP GLN ILE LEU ILE GLU SEQRES 6 B 99 ILE CYS GLY HIS LYS ALA ILE GLY THR VAL LEU VAL GLY SEQRES 7 B 99 PRO THR PRO VAL ASN ILE ILE GLY ARG ASN LEU LEU THR SEQRES 8 B 99 GLN ILE GLY CYS THR LEU ASN PHE SEQRES 1 N 6 IVA VAL VAL STA ALA STA HET IVA N 1 6 HET STA N 4 11 HET STA N 6 12 HET IOP A 101 14 HETNAM IVA ISOVALERIC ACID HETNAM STA STATINE HETNAM IOP INDOLYLPROPIONIC ACID FORMUL 3 IVA C5 H10 O2 FORMUL 3 STA 2(C8 H17 N O3) FORMUL 4 IOP C11 H11 N O2 FORMUL 5 HOH *107(H2 O) HELIX 1 1 GLY A 86 THR A 91 1 6 HELIX 2 2 GLN A 92 GLY A 94 5 3 HELIX 3 3 GLY B 86 THR B 91 1 6 HELIX 4 4 GLN B 92 GLY B 94 5 3 SHEET 1 A 4 GLN A 2 ILE A 3 0 SHEET 2 A 4 THR B 96 ASN B 98 -1 O LEU B 97 N ILE A 3 SHEET 3 A 4 THR A 96 ASN A 98 -1 N THR A 96 O ASN B 98 SHEET 4 A 4 GLN B 2 ILE B 3 -1 O ILE B 3 N LEU A 97 SHEET 1 B 9 VAL N 2 VAL N 3 0 SHEET 2 B 9 LYS A 43 GLY A 49 1 N GLY A 48 O VAL N 3 SHEET 3 B 9 ILE A 54 ILE A 66 -1 O VAL A 56 N LYS A 45 SHEET 4 B 9 HIS A 69 VAL A 77 -1 O ALA A 71 N ILE A 64 SHEET 5 B 9 VAL A 32 LEU A 33 1 N LEU A 33 O LEU A 76 SHEET 6 B 9 ILE A 84 ILE A 85 -1 O ILE A 84 N VAL A 32 SHEET 7 B 9 GLN A 18 LEU A 24 1 N LEU A 23 O ILE A 85 SHEET 8 B 9 LEU A 10 ILE A 15 -1 N ILE A 13 O LYS A 20 SHEET 9 B 9 ILE A 54 ILE A 66 -1 O GLU A 65 N LYS A 14 SHEET 1 C 8 LYS B 43 GLY B 48 0 SHEET 2 C 8 PHE B 53 ILE B 66 -1 O GLN B 58 N LYS B 43 SHEET 3 C 8 HIS B 69 VAL B 77 -1 O HIS B 69 N ILE B 66 SHEET 4 C 8 VAL B 32 LEU B 33 1 N LEU B 33 O LEU B 76 SHEET 5 C 8 ILE B 84 ILE B 85 -1 O ILE B 84 N VAL B 32 SHEET 6 C 8 GLN B 18 LEU B 24 1 N LEU B 23 O ILE B 85 SHEET 7 C 8 LEU B 10 ILE B 15 -1 N ILE B 13 O LYS B 20 SHEET 8 C 8 PHE B 53 ILE B 66 -1 O GLU B 65 N LYS B 14 LINK C IVA N 1 N VAL N 2 1555 1555 2.30 LINK C VAL N 3 N STA N 4 1555 1555 2.24 LINK C STA N 4 N ALA N 5 1555 1555 2.02 LINK C ALA N 5 N STA N 6 1555 1555 2.18 SITE 1 AC1 10 TRP A 42 PRO A 44 LYS A 45 LYS A 55 SITE 2 AC1 10 VAL A 56 GLN A 92 ILE A 93 GLY A 94 SITE 3 AC1 10 HOH A 207 TRP B 6 SITE 1 AC2 22 ARG A 8 ASP A 25 GLY A 27 ALA A 28 SITE 2 AC2 22 ASP A 29 ASP A 30 ILE A 47 GLY A 48 SITE 3 AC2 22 GLY A 49 ILE A 50 ILE A 84 ARG B 8 SITE 4 AC2 22 ASP B 25 GLY B 27 ALA B 28 ASP B 29 SITE 5 AC2 22 ASP B 30 ILE B 47 GLY B 48 HOH B 208 SITE 6 AC2 22 HOH B 242 HOH N 101 CRYST1 28.652 65.796 92.052 90.00 90.00 90.00 P 21 21 21 8 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 0.034902 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015198 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010863 0.00000