3FR2 - Header Asymmetric Unit

HEADER LIPID BINDING PROTEIN 08-JAN-09 3FR2

TITLE N-BENZYL-INDOLO CARBOXYLIC ACIDS: DESIGN AND SYNTHESIS OF TITLE 2 POTENT AND SELECTIVE ADIPOCYTE FATTY-ACID BINDING PROTEIN TITLE 3 (A-FABP) INHIBITORS

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; COMPND 6 ENGINEERED: YES

SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: FABP4; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562

KEYWDS SELECTIVE ADIPOCYTE FATTY-ACID BINDING PROTEIN (A-FABP) KEYWDS 2 INHIBITORS, CYTOPLASM, LIPID-BINDING, NUCLEUS, KEYWDS 3 PHOSPHOPROTEIN, POLYMORPHISM, TRANSPORT, LIPID BINDING KEYWDS 4 PROTEIN

EXPDTA X-RAY DIFFRACTION

AUTHOR T BARF,K.HAMMER,F.LEHMANN,S.HAILE,E.AXEN,C.MEDINA,L.RONDAHL, AUTHOR 2 J.UPPENBERG,S.SVENSSON,T.LUNDB CK

REVDAT 2 31-MAR-09 3FR2 1 JRNL REVDAT 1 10-MAR-09 3FR2 0

JRNL AUTH T.BARF,F.LEHMANN,K.HAMMER,S.HAILE,E.AXEN,C.MEDINA, JRNL AUTH 2 J.UPPENBERG,S.SVENSSON,L.RONDAHL,T.LUNDBACK JRNL TITL N-BENZYL-INDOLO CARBOXYLIC ACIDS: DESIGN AND JRNL TITL 2 SYNTHESIS OF POTENT AND SELECTIVE ADIPOCYTE JRNL TITL 3 FATTY-ACID BINDING PROTEIN (A-FABP) INHIBITORS. JRNL REF BIOORG.MED.CHEM.LETT. V. 19 1745 2009 JRNL REFN ISSN 0960-894X JRNL PMID 19217286 JRNL DOI 10.1016/J.BMCL.2009.01.084

REMARK 1

REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS.

REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.0 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 91.1 REMARK 3 NUMBER OF REFLECTIONS : 5770 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) : 0.224 REMARK 3 R VALUE (WORKING SET) : 0.221 REMARK 3 FREE R VALUE : 0.297 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.600 REMARK 3 FREE R VALUE TEST SET COUNT : 279 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.26 REMARK 3 REFLECTION IN BIN (WORKING SET) : 260 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.3390 REMARK 3 BIN FREE R VALUE SET COUNT : 7 REMARK 3 BIN FREE R VALUE : 0.5570 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1021 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 23 REMARK 3 SOLVENT ATOMS : 154 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 17.68 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.07000 REMARK 3 B22 (A**2) : -0.74000 REMARK 3 B33 (A**2) : 1.81000 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): 0.563 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.312 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.212 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 8.350 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.911 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.867 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1060 ; 0.020 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1427 ; 1.861 ; 1.973 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 130 ; 4.662 ; 3.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 201 ;18.552 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): NULL ; NULL ; NULL REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 166 ; 0.112 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 766 ; 0.007 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 504 ; 0.244 ; 0.300 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): 182 ; 0.282 ; 0.500 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): 32 ; 0.409 ; 0.300 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 15 ; 0.263 ; 0.500 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): 645 ; 0.994 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 1049 ; 1.724 ; 2.000 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 415 ; 2.773 ; 3.000 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 378 ; 4.323 ; 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 : BABINET MODEL WITH MASK REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.40 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 3FR2 COMPLIES WITH FORMAT V. 3.20, 01-DEC-08

REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-JAN-09. REMARK 100 THE RCSB ID CODE IS RCSB050936.

REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL 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 REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : OSMIC MIRRORS REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8439 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.4 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : 0.07400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.7000 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: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL

REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 41.52 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.10 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: NULL

REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -X+1/2,Y+1/2,-Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 35.98000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.68750 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 35.98000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.68750 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 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 N CYS A 1 O HOH A 188 1.49 REMARK 500 OE1 GLU A 129 O HOH A 191 1.88 REMARK 500 NH2 ARG A 106 O HOH A 253 1.89 REMARK 500 O LEU A 86 O HOH A 214 1.90 REMARK 500 O ALA A 131 O HOH A 180 1.91 REMARK 500 OE1 GLU A 54 O HOH A 223 1.93 REMARK 500 O HOH A 152 O HOH A 163 1.95 REMARK 500 O HOH A 207 O HOH A 208 2.03 REMARK 500 O HOH A 202 O HOH A 212 2.03 REMARK 500 NZ LYS A 21 O HOH A 167 2.15 REMARK 500 O HOH A 264 O HOH A 273 2.15 REMARK 500 OE2 GLU A 72 O HOH A 269 2.16 REMARK 500 OE1 GLU A 69 O HOH A 275 2.17 REMARK 500 OD1 ASP A 18 O HOH A 153 2.17 REMARK 500 O HOH A 149 O HOH A 157 2.18 REMARK 500 O HOH A 250 O HOH A 260 2.19 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 ASP A 17 CB - CG - OD2 ANGL. DEV. = 7.3 DEGREES REMARK 500 ASP A 47 CB - CG - OD2 ANGL. DEV. = 5.9 DEGREES REMARK 500 ASP A 77 CB - CG - OD2 ANGL. DEV. = 6.6 DEGREES REMARK 500 ASP A 98 CB - CG - OD2 ANGL. DEV. = 6.3 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 ASP A 2 -19.55 -140.58 REMARK 500 ALA A 3 -8.90 -59.34 REMARK 500 LYS A 37 76.35 -119.72 REMARK 500 ASP A 110 -112.88 51.72 REMARK 500 LYS A 120 -121.00 57.03 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 159 DISTANCE = 5.51 ANGSTROMS REMARK 525 HOH A 172 DISTANCE = 5.13 ANGSTROMS REMARK 525 HOH A 194 DISTANCE = 5.74 ANGSTROMS

REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 8CA A 501

REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3FR4 RELATED DB: PDB REMARK 900 RELATED ID: 3FR5 RELATED DB: PDB

DBREF 3FR2 A 1 131 UNP P15090 FABP4_HUMAN 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 VAL ILE THR ILE LYS SEQRES 5 A 131 SER GLU SER THR PHE LYS ASN THR GLU ILE SER PHE ILE SEQRES 6 A 131 LEU GLY GLN GLU PHE ASP GLU VAL THR ALA ASP ASP ARG SEQRES 7 A 131 LYS VAL LYS SER THR ILE THR LEU ASP GLY GLY VAL LEU SEQRES 8 A 131 VAL HIS VAL GLN LYS TRP ASP GLY LYS SER THR THR ILE SEQRES 9 A 131 LYS ARG LYS ARG GLU ASP 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 8CA A 501 23

HETNAM 8CA 9-BENZYL-2,3,4,9-TETRAHYDRO-1H-CARBAZOLE-8-CARBOXYLIC HETNAM 2 8CA ACID

FORMUL 2 8CA C20 H19 N O2 FORMUL 3 HOH *154(H2 O)

HELIX 1 1 ASN A 15 GLY A 24 1 10 HELIX 2 2 GLY A 26 ALA A 36 1 11

SHEET 1 A10 THR A 60 ILE A 65 0 SHEET 2 A10 VAL A 48 GLU A 54 -1 N SER A 53 O THR A 60 SHEET 3 A10 ASN A 39 ASN A 45 -1 N ILE A 41 O LYS A 52 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 VAL A 127 N VAL A 11 SHEET 6 A10 LYS A 112 MET A 119 -1 N CYS A 117 O SER A 124 SHEET 7 A10 LYS A 100 GLU A 109 -1 N LYS A 107 O VAL A 114 SHEET 8 A10 VAL A 90 TRP A 97 -1 N HIS A 93 O ILE A 104 SHEET 9 A10 LYS A 79 ASP A 87 -1 N LYS A 81 O LYS A 96 SHEET 10 A10 PHE A 70 VAL A 73 -1 N PHE A 70 O SER A 82

SITE 1 AC1 12 PHE A 16 PRO A 38 SER A 55 LYS A 58 SITE 2 AC1 12 ASP A 76 ARG A 78 CYS A 117 ARG A 126 SITE 3 AC1 12 TYR A 128 HOH A 244 HOH A 263 HOH A 264

CRYST1 71.960 53.375 32.000 90.00 90.00 90.00 P 21 21 2 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 0.013897 0.000000 0.000000 0.00000

SCALE2 0.000000 0.018735 0.000000 0.00000

SCALE3 0.000000 0.000000 0.031250 0.00000