3HK1 - Header Asymmetric Unit

HEADER PROTEIN BINDING 22-MAY-09 3HK1

TITLE IDENTIFICATION AND CHARACTERIZATION OF A SMALL MOLECULE TITLE 2 INHIBITOR OF FATTY ACID BINDING PROTEINS

COMPND MOL_ID: 1; COMPND 2 MOLECULE: FATTY ACID-BINDING PROTEIN, ADIPOCYTE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: A-FABP, AFABP, FATTY ACID-BINDING PROTEIN 4, COMPND 5 ADIPOCYTE LIPID-BINDING PROTEIN, ALBP, P2 ADIPOCYTE COMPND 6 PROTEIN, MYELIN P2 PROTEIN HOMOLOG, 3T3-L1 LIPID-BINDING COMPND 7 PROTEIN, PROTEIN 422, P15; COMPND 8 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 GENE: ADIPOCYTE, AP2, FABP4, FATTY ACID BINDING PROTEIN 4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3)PLYSS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: MODIFIED PRSETB

KEYWDS LIPID BINDING PROTEIN, FATTY ACID BINDING PROTEIN, KEYWDS 2 CYTOPLASM, LIPID-BINDING, NUCLEUS, PHOSPHOPROTEIN, KEYWDS 3 TRANSPORT, PROTEIN BINDING

EXPDTA X-RAY DIFFRACTION

AUTHOR A.V.HERTZEL,K.HELLBERG,J.M.REYNOLDS,A.C.KRUSE,B.E.JUHLMANN, AUTHOR 2 A.J.SMITH,M.A.SANDERS,D.H.OHLENDORF,J.SUTTLES,D.A.BERNLOHR

REVDAT 2 13-OCT-09 3HK1 1 JRNL REVDAT 1 22-SEP-09 3HK1 0

JRNL AUTH A.V.HERTZEL,K.HELLBERG,J.M.REYNOLDS,A.C.KRUSE, JRNL AUTH 2 B.E.JUHLMANN,A.J.SMITH,M.A.SANDERS,D.H.OHLENDORF, JRNL AUTH 3 J.SUTTLES,D.A.BERNLOHR JRNL TITL IDENTIFICATION AND CHARACTERIZATION OF A SMALL JRNL TITL 2 MOLECULE INHIBITOR OF FATTY ACID BINDING PROTEINS. JRNL REF J.MED.CHEM. V. 52 6024 2009 JRNL REFN ISSN 0022-2623 JRNL PMID 19754198 JRNL DOI 10.1021/JM900720M

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 1.70 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0019 REMARK 3 AUTHORS : MURSHUDOV,VAGIN,DODSON REMARK 3 REMARK 3 REFINEMENT TARGET : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.77 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 3 NUMBER OF REFLECTIONS : 19117 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) : 0.176 REMARK 3 R VALUE (WORKING SET) : 0.175 REMARK 3 FREE R VALUE : 0.195 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1028 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) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.75 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1369 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.30 REMARK 3 BIN R VALUE (WORKING SET) : 0.2600 REMARK 3 BIN FREE R VALUE SET COUNT : 76 REMARK 3 BIN FREE R VALUE : 0.3070 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1022 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 225 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 20.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.01000 REMARK 3 B33 (A**2) : -0.01000 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): 0.091 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.087 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.054 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.582 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.961 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.952 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1058 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1423 ; 1.855 ; 1.981 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 132 ; 6.186 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 43 ;28.987 ;24.419 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 201 ;12.616 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 7 ;16.182 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 162 ; 0.088 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 774 ; 0.009 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 452 ; 0.191 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 727 ; 0.301 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 150 ; 0.143 ; 0.200 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): 25 ; 0.140 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 25 ; 0.385 ; 0.200 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): 671 ; 1.354 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1051 ; 1.441 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 463 ; 2.359 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 371 ; 4.038 ; 4.500 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: NULL

REMARK 4 REMARK 4 3HK1 COMPLIES WITH FORMAT V. 3.20, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 29-MAY-09. REMARK 100 THE RCSB ID CODE IS RCSB053228.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 09-SEP-08 REMARK 200 TEMPERATURE (KELVIN) : 125 REMARK 200 PH : 7.0 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 : RIGAKU MICROMAX-007 HF REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : MIRRORS REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20158 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 24.770 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 6.800 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.03500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 49.1000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.73 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.4 REMARK 200 DATA REDUNDANCY IN SHELL : 6.50 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.27700 REMARK 200 <I/SIGMA(I)> FOR SHELL : 6.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: MOLREP 9.4.09 REMARK 200 STARTING MODEL: 1LIB REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.25 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.09 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 2.5 M SODIUM/POTASSIUM PHOSPHATE, REMARK 280 PH 7.0, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 291K

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -X,Y,-Z+1/2 REMARK 290 4555 X,-Y,-Z REMARK 290 5555 X+1/2,Y+1/2,Z REMARK 290 6555 -X+1/2,-Y+1/2,Z+1/2 REMARK 290 7555 -X+1/2,Y+1/2,-Z+1/2 REMARK 290 8555 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 24.83100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 24.83100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 38.50850 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 47.05650 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 38.50850 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 47.05650 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 24.83100 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 38.50850 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 47.05650 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 24.83100 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 38.50850 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 47.05650 REMARK 290 SMTRY3 8 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 O HOH A 222 O HOH A 223 1.95 REMARK 500 OD2 ASP A 18 O HOH A 341 2.15 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 HOH A 215 O HOH A 225 6554 0.97 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 ASP A 77 30.65 71.42 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 B64 A 132

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 16248 RELATED DB: BMRB

DBREF 3HK1 A 1 131 UNP P04117 FABP4_MOUSE 2 132

SEQRES 1 A 131 CYS ASP ALA PHE VAL GLY THR TRP LYS LEU VAL SER SER SEQRES 2 A 131 GLU ASN PHE ASP ASP TYR MET LYS GLU VAL GLY VAL GLY SEQRES 3 A 131 PHE ALA THR ARG LYS VAL ALA GLY MET ALA LYS PRO ASN SEQRES 4 A 131 MET ILE ILE SER VAL ASN GLY ASP LEU VAL THR ILE ARG SEQRES 5 A 131 SER GLU SER THR PHE LYS ASN THR GLU ILE SER PHE LYS SEQRES 6 A 131 LEU GLY VAL GLU PHE ASP GLU ILE THR ALA ASP ASP ARG SEQRES 7 A 131 LYS VAL LYS SER ILE ILE THR LEU ASP GLY GLY ALA LEU SEQRES 8 A 131 VAL GLN VAL GLN LYS TRP ASP GLY LYS SER THR THR ILE SEQRES 9 A 131 LYS ARG LYS ARG ASP GLY ASP LYS LEU VAL VAL GLU CYS SEQRES 10 A 131 VAL MET LYS GLY VAL THR SER THR ARG VAL TYR GLU ARG SEQRES 11 A 131 ALA

HET B64 A 132 22

HETNAM B64 4-{[2-(METHOXYCARBONYL)-5-(2-THIENYL)-3-THIENYL]AMINO}- HETNAM 2 B64 4-OXO-2-BUTENOIC ACID

HETSYN B64 (2Z)-4-{[5-(METHOXYCARBONYL)-2,2'-BITHIOPHEN-4- HETSYN 2 B64 YL]AMINO}-4-OXOBUT-2-ENOIC ACID

FORMUL 2 B64 C14 H11 N O5 S2 FORMUL 3 HOH *225(H2 O)

HELIX 1 1 CYS A 1 VAL A 5 5 5 HELIX 2 2 ASN A 15 GLY A 24 1 10 HELIX 3 3 GLY A 26 ALA A 36 1 11

SHEET 1 A10 ASN A 59 PHE A 64 0 SHEET 2 A10 LEU A 48 GLU A 54 -1 N VAL A 49 O PHE A 64 SHEET 3 A10 ASN A 39 ASN A 45 -1 N SER A 43 O THR A 50 SHEET 4 A10 GLY A 6 GLU A 14 -1 N TRP A 8 O MET A 40 SHEET 5 A10 VAL A 122 ARG A 130 -1 O GLU A 129 N LYS A 9 SHEET 6 A10 LYS A 112 MET A 119 -1 N VAL A 115 O ARG A 126 SHEET 7 A10 LYS A 100 ASP A 109 -1 N LYS A 105 O GLU A 116 SHEET 8 A10 ALA A 90 TRP A 97 -1 N LEU A 91 O ARG A 106 SHEET 9 A10 LYS A 79 ASP A 87 -1 N THR A 85 O VAL A 92 SHEET 10 A10 PHE A 70 ILE A 73 -1 N PHE A 70 O SER A 82

SITE 1 AC1 18 PHE A 16 TYR A 19 VAL A 23 VAL A 25 SITE 2 AC1 18 THR A 29 ALA A 33 MET A 40 LYS A 58 SITE 3 AC1 18 ALA A 75 ASP A 76 ARG A 78 ARG A 126 SITE 4 AC1 18 TYR A 128 HOH A 149 HOH A 247 HOH A 269 SITE 5 AC1 18 HOH A 283 HOH A 314

CRYST1 77.017 94.113 49.662 90.00 90.00 90.00 C 2 2 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 0.012984 0.000000 0.000000 0.00000

SCALE2 0.000000 0.010626 0.000000 0.00000

SCALE3 0.000000 0.000000 0.020136 0.00000