HEADER NUCLEOTIDE-BINDING PROTEIN 11-DEC-97 1FHI TITLE SUBSTRATE ANALOG (IB2) COMPLEX WITH THE FRAGILE HISTIDINE TRIAD TITLE 2 PROTEIN, FHIT COMPND MOL_ID: 1; COMPND 2 MOLECULE: FRAGILE HISTIDINE TRIAD PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: FHIT; COMPND 5 EC: 3.6.1.29; 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: FHIT; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: JM109/DE3/LACIQ; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PSGA02 KEYWDS NUCLEOTIDE-BINDING PROTEIN, CANCER, DIADENOSINE TRIPHOSPHATE KEYWDS 2 HYDROLASE, HISTIDINE TRIAD, TUMOR SUPPRESSOR EXPDTA X-RAY DIFFRACTION AUTHOR H.C.PACE,P.N.GARRISON,L.D.BARNES,A.DRAGANESCU,A.ROSLER,G.M.BLACKBURN, AUTHOR 2 Z.SIPRASHVILI,C.M.CROCE,K.HUEBNER,C.BRENNER REVDAT 3 09-AUG-23 1FHI 1 REMARK REVDAT 2 24-FEB-09 1FHI 1 VERSN REVDAT 1 17-JUN-98 1FHI 0 JRNL AUTH H.C.PACE,P.N.GARRISON,A.K.ROBINSON,L.D.BARNES,A.DRAGANESCU, JRNL AUTH 2 A.ROSLER,G.M.BLACKBURN,Z.SIPRASHVILI,C.M.CROCE,K.HUEBNER, JRNL AUTH 3 C.BRENNER JRNL TITL GENETIC, BIOCHEMICAL, AND CRYSTALLOGRAPHIC CHARACTERIZATION JRNL TITL 2 OF FHIT-SUBSTRATE COMPLEXES AS THE ACTIVE SIGNALING FORM OF JRNL TITL 3 FHIT. JRNL REF PROC.NATL.ACAD.SCI.USA V. 95 5484 1998 JRNL REFN ISSN 0027-8424 JRNL PMID 9576908 JRNL DOI 10.1073/PNAS.95.10.5484 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH C.BRENNER,H.C.PACE,P.N.GARRISON,A.K.ROBINSON,A.ROSLER, REMARK 1 AUTH 2 X.H.LIU,G.M.BLACKBURN,C.M.CROCE,K.HUEBNER,L.D.BARNES REMARK 1 TITL PURIFICATION AND CRYSTALLIZATION OF COMPLEXES MODELING THE REMARK 1 TITL 2 ACTIVE STATE OF THE FRAGILE HISTIDINE TRIAD PROTEIN REMARK 1 REF PROTEIN ENG. V. 10 1461 1998 REMARK 1 REFN ISSN 0269-2139 REMARK 2 REMARK 2 RESOLUTION. 3.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.500 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 61.0 REMARK 3 NUMBER OF REFLECTIONS : 2535 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 SET) : 0.241 REMARK 3 FREE R VALUE : 0.314 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 125 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.028 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 33.00 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 157 REMARK 3 BIN R VALUE (WORKING SET) : 0.2840 REMARK 3 BIN FREE R VALUE : 0.5160 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 11 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.156 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 978 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 49 REMARK 3 SOLVENT ATOMS : 3 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 13.20 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 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.560 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.854 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : 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 NCS MODEL : NULL REMARK 3 REMARK 3 NCS RESTRAINTS. RMS SIGMA/WEIGHT REMARK 3 GROUP 1 POSITIONAL (A) : NULL ; NULL REMARK 3 GROUP 1 B-FACTOR (A**2) : NULL ; NULL REMARK 3 REMARK 3 PARAMETER FILE 1 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 3 : WATER.PARAM REMARK 3 PARAMETER FILE 4 : IB2.PAR REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : TOPH19.PEP REMARK 3 TOPOLOGY FILE 3 : WATER2.TOPH REMARK 3 TOPOLOGY FILE 4 : IB2.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1FHI COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000173288. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-MAR-97 REMARK 200 TEMPERATURE (KELVIN) : 98 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : CHESS REMARK 200 BEAMLINE : F1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.918 REMARK 200 MONOCHROMATOR : SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 2965 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.100 REMARK 200 RESOLUTION RANGE LOW (A) : 43.900 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 68.3 REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09700 REMARK 200 FOR THE DATA SET : 10.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.21 REMARK 200 COMPLETENESS FOR SHELL (%) : 39.1 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.08400 REMARK 200 FOR SHELL : 8.500 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: REFINEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: PDB ENTRY 1FIT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.83 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: FHIT PROTEIN (13.4 MG/ML) WAS REMARK 280 COCRYSTALLIZED WITH 2.5 MOLAR EQUIVALENTS OF IB2 BY MIXING WITH REMARK 280 AN EQUAL VOLUME (2.5 - 4 MICROLITERS) OF 2 M AMMONIUM SULFATE, 4% REMARK 280 PEG 400 0.1 M NA HEPES PH 7.5 ON A SILICONIZED COVERSLIP WHICH REMARK 280 WAS SEALED OVER A 0.8 ML VOLUME OF THE SAME SOLUTION FOR 1 - 4 REMARK 280 WEEKS AT ROOM TEMPERATURE., VAPOR DIFFUSION - HANGING DROP, REMARK 280 VAPOR DIFFUSION, HANGING DROP REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 89.50433 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 179.00867 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 134.25650 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 223.76083 REMARK 290 SMTRY1 6 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 44.75217 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 89.50433 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 179.00867 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 223.76083 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 134.25650 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 44.75217 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: DIMERIC 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 350 BIOMT1 2 0.500000 0.866025 0.000000 0.00000 REMARK 350 BIOMT2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 44.75217 REMARK 465 REMARK 465 MISSING RESIDUES REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.) REMARK 465 REMARK 465 M RES C SSSEQI REMARK 465 MET A 1 REMARK 465 PHE A 107 REMARK 465 HIS A 108 REMARK 465 ARG A 109 REMARK 465 ASN A 110 REMARK 465 ASP A 111 REMARK 465 SER A 112 REMARK 465 ILE A 113 REMARK 465 TYR A 114 REMARK 465 GLU A 115 REMARK 465 GLU A 116 REMARK 465 LEU A 117 REMARK 465 GLN A 118 REMARK 465 LYS A 119 REMARK 465 HIS A 120 REMARK 465 ASP A 121 REMARK 465 LYS A 122 REMARK 465 GLU A 123 REMARK 465 ASP A 124 REMARK 465 PHE A 125 REMARK 465 PRO A 126 REMARK 465 ALA A 127 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASP A 53 CG OD1 OD2 REMARK 470 ARG A 64 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 87 CG CD OE1 OE2 REMARK 470 GLU A 133 CG CD OE1 OE2 REMARK 470 GLU A 134 CG CD OE1 OE2 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 PHE A 3 104.25 80.16 REMARK 500 PHE A 5 81.93 -161.62 REMARK 500 THR A 19 -168.92 -108.04 REMARK 500 HIS A 48 -0.16 -52.28 REMARK 500 ARG A 51 178.95 -54.66 REMARK 500 GLU A 54 8.91 -62.69 REMARK 500 ARG A 64 -74.52 -60.74 REMARK 500 VAL A 65 -24.30 -33.62 REMARK 500 SER A 77 167.15 165.68 REMARK 500 SER A 81 116.97 -164.38 REMARK 500 HIS A 96 135.66 -178.29 REMARK 500 ALA A 104 160.48 -44.66 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: HIT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: HIS 94, HIS 96, HIS 98 THE HISTIDINE TRIAD SITE REMARK 800 CONTAINS THE MOTIF COMMON TO PROTEINS IN THE HIT SUPERFAMILY OF REMARK 800 NUCLEOTIDE-BINDING PROTEINS. HIS 96 IS THE PRINCIPAL ACTIVE SITE REMARK 800 RESIDUE AND SUBSTITUTION WITH ASN REDUCES KCAT (10E6)-FOLD WITH REMARK 800 LITTLE EFFECT ON KM. HIS 98 IS PROPOSED TO H-BOND TO THE REMARK 800 SCISSILE BRIDGING OXYGEN OF DINUCLEOTIDE SUBSTRATES. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IB2 A 301 DBREF 1FHI A 1 147 UNP P49789 FHIT_HUMAN 1 147 SEQRES 1 A 147 MET SER PHE ARG PHE GLY GLN HIS LEU ILE LYS PRO SER SEQRES 2 A 147 VAL VAL PHE LEU LYS THR GLU LEU SER PHE ALA LEU VAL SEQRES 3 A 147 ASN ARG LYS PRO VAL VAL PRO GLY HIS VAL LEU VAL CYS SEQRES 4 A 147 PRO LEU ARG PRO VAL GLU ARG PHE HIS ASP LEU ARG PRO SEQRES 5 A 147 ASP GLU VAL ALA ASP LEU PHE GLN THR THR GLN ARG VAL SEQRES 6 A 147 GLY THR VAL VAL GLU LYS HIS PHE HIS GLY THR SER LEU SEQRES 7 A 147 THR PHE SER MET GLN ASP GLY PRO GLU ALA GLY GLN THR SEQRES 8 A 147 VAL LYS HIS VAL HIS VAL HIS VAL LEU PRO ARG LYS ALA SEQRES 9 A 147 GLY ASP PHE HIS ARG ASN ASP SER ILE TYR GLU GLU LEU SEQRES 10 A 147 GLN LYS HIS ASP LYS GLU ASP PHE PRO ALA SER TRP ARG SEQRES 11 A 147 SER GLU GLU GLU MET ALA ALA GLU ALA ALA ALA LEU ARG SEQRES 12 A 147 VAL TYR PHE GLN HET IB2 A 301 49 HETNAM IB2 P1-P2-METHYLENE-P3-THIO-DIADENOSINE TRIPHOSPHATE HETSYN IB2 ADO-P-CH2-P-PS-ADO FORMUL 2 IB2 C21 H29 N10 O14 P3 S FORMUL 3 HOH *3(H2 O) HELIX 1 1 PRO A 12 VAL A 14 5 3 HELIX 2 2 PHE A 47 ASP A 49 5 3 HELIX 3 3 ASP A 53 THR A 67 1 15 HELIX 4 4 VAL A 69 HIS A 72 1 4 HELIX 5 5 GLU A 132 TYR A 145 1 14 SHEET 1 A 5 SER A 77 MET A 82 0 SHEET 2 A 5 HIS A 96 ARG A 102 -1 N ARG A 102 O SER A 77 SHEET 3 A 5 VAL A 36 PRO A 40 -1 N VAL A 38 O VAL A 97 SHEET 4 A 5 SER A 22 VAL A 26 -1 N LEU A 25 O LEU A 37 SHEET 5 A 5 VAL A 15 LYS A 18 -1 N LEU A 17 O ALA A 24 SITE 1 HIT 3 HIS A 94 HIS A 96 HIS A 98 SITE 1 AC1 13 PHE A 5 ILE A 10 ASN A 27 LEU A 37 SITE 2 AC1 13 THR A 79 SER A 81 GLN A 83 THR A 91 SITE 3 AC1 13 VAL A 92 HIS A 96 HIS A 98 LEU A 100 SITE 4 AC1 13 ARG A 102 CRYST1 50.728 50.728 268.513 90.00 90.00 120.00 P 61 2 2 12 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 0.019713 0.011381 0.000000 0.00000 SCALE2 0.000000 0.022763 0.000000 0.00000 SCALE3 0.000000 0.000000 0.003724 0.00000