PDB Short entry for 3BAQ HEADER HORMONE 08-NOV-07 3BAQ TITLE CRYSTAL STRUCTURE OF L26A MUTANT OF HUMAN ACIDIC FIBROBLAST GROWTH TITLE 2 FACTOR COMPND MOL_ID: 1; COMPND 2 MOLECULE: HEPARIN-BINDING GROWTH FACTOR 1; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: HBGF-1, ACIDIC FIBROBLAST GROWTH FACTOR, AFGF, BETA- COMPND 5 ENDOTHELIAL CELL GROWTH FACTOR, ECGF-BETA; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 GENE: FGF1, FGFA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET21A(+) KEYWDS BETA-TREFOIL, ACETYLATION, ANGIOGENESIS, DEVELOPMENTAL PROTEIN, KEYWDS 2 DIFFERENTIATION, GROWTH FACTOR, HEPARIN-BINDING, MITOGEN, KEYWDS 3 POLYMORPHISM, HORMONE EXPDTA X-RAY DIFFRACTION AUTHOR J.LEE,M.BLABER REVDAT 4 30-AUG-23 3BAQ 1 REMARK REVDAT 3 20-OCT-21 3BAQ 1 REMARK SEQADV REVDAT 2 24-FEB-09 3BAQ 1 VERSN REVDAT 1 15-APR-08 3BAQ 0 JRNL AUTH J.LEE,V.K.DUBEY,L.M.LONGO,M.BLABER JRNL TITL A LOGICAL OR REDUNDANCY WITHIN THE ASX-PRO-ASX-GLY TYPE I JRNL TITL 2 BETA-TURN MOTIF. JRNL REF J.MOL.BIOL. V. 377 1251 2008 JRNL REFN ISSN 0022-2836 JRNL PMID 18308335 JRNL DOI 10.1016/J.JMB.2008.01.055 REMARK 2 REMARK 2 RESOLUTION. 1.80 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 44.10 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 145663.150 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 89.8 REMARK 3 NUMBER OF REFLECTIONS : 32620 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) : 0.193 REMARK 3 FREE R VALUE : 0.216 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1617 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.91 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 71.30 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 4048 REMARK 3 BIN R VALUE (WORKING SET) : 0.1990 REMARK 3 BIN FREE R VALUE : 0.2340 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 206 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.016 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2266 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 11 REMARK 3 SOLVENT ATOMS : 166 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 14.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.37000 REMARK 3 B22 (A**2) : 1.47000 REMARK 3 B33 (A**2) : -6.84000 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 COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.20 REMARK 3 ESD FROM SIGMAA (A) : 0.07 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.23 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.12 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.013 REMARK 3 BOND ANGLES (DEGREES) : 1.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 26.40 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.020 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.38 REMARK 3 BSOL : 36.41 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 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : FORMATE.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : WATER.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : FORMATE.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3BAQ COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-NOV-07. REMARK 100 THE DEPOSITION ID IS D_1000045290. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-SEP-06 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.0 REMARK 200 MONOCHROMATOR : SI MONOCHROMATOR REMARK 200 OPTICS : DOUBLE FLAT SI CRYSTAL REMARK 200 MONOCHROMATOR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 32620 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.800 REMARK 200 RESOLUTION RANGE LOW (A) : 44.100 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 89.7 REMARK 200 DATA REDUNDANCY : 4.700 REMARK 200 R MERGE (I) : 0.05400 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 31.6400 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.86 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.6 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.36500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.680 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: PDB ENTRY 1JQZ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 57.74 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.91 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 3.3M NA-FORMATE, 0.4M (NH4)2SO4, PH REMARK 280 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298.15K 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 53.94400 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 53.94400 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 37.16400 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 48.32600 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 6 -1.000000 0.000000 0.000000 37.16400 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 48.32600 REMARK 290 SMTRY3 6 0.000000 0.000000 1.000000 53.94400 REMARK 290 SMTRY1 7 -1.000000 0.000000 0.000000 37.16400 REMARK 290 SMTRY2 7 0.000000 1.000000 0.000000 48.32600 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 53.94400 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 37.16400 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 48.32600 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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 350 REMARK 350 BIOMOLECULE: 2 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: B 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 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 HIS A -1 REMARK 465 HIS A 0 REMARK 465 SER A 138 REMARK 465 SER A 139 REMARK 465 ASP A 140 REMARK 465 HIS B -1 REMARK 465 HIS B 0 REMARK 465 SER B 138 REMARK 465 SER B 139 REMARK 465 ASP B 140 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 PRO A 5 -150.51 -81.22 REMARK 500 ASP A 32 -161.97 -167.05 REMARK 500 HIS A 93 -46.98 -157.41 REMARK 500 ASP B 32 -158.76 -159.46 REMARK 500 GLU B 49 -98.91 -105.71 REMARK 500 ASN B 80 -166.75 -118.40 REMARK 500 HIS B 93 -45.04 -160.71 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 SO4 A 141 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT A 142 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE FMT B 141 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1JQZ RELATED DB: PDB REMARK 900 HUMAN ACIDIC FIBROBLAST GROWTH FACTOR. 141 AMINO ACID FORM WITH REMARK 900 AMINO TERMINAL HIS TAG DBREF 3BAQ A 1G 140 UNP P05230 FGF1_HUMAN 16 155 DBREF 3BAQ B 1G 140 UNP P05230 FGF1_HUMAN 16 155 SEQADV 3BAQ HIS A -1 UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS A 0 UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS A 1C UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS A 1D UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS A 1E UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS A 1F UNP P05230 EXPRESSION TAG SEQADV 3BAQ ALA A 26 UNP P05230 LEU 41 ENGINEERED MUTATION SEQADV 3BAQ HIS B -1 UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS B 0 UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS B 1C UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS B 1D UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS B 1E UNP P05230 EXPRESSION TAG SEQADV 3BAQ HIS B 1F UNP P05230 EXPRESSION TAG SEQADV 3BAQ ALA B 26 UNP P05230 LEU 41 ENGINEERED MUTATION SEQRES 1 A 146 HIS HIS HIS HIS HIS HIS PHE ASN LEU PRO PRO GLY ASN SEQRES 2 A 146 TYR LYS LYS PRO LYS LEU LEU TYR CYS SER ASN GLY GLY SEQRES 3 A 146 HIS PHE LEU ARG ILE ALA PRO ASP GLY THR VAL ASP GLY SEQRES 4 A 146 THR ARG ASP ARG SER ASP GLN HIS ILE GLN LEU GLN LEU SEQRES 5 A 146 SER ALA GLU SER VAL GLY GLU VAL TYR ILE LYS SER THR SEQRES 6 A 146 GLU THR GLY GLN TYR LEU ALA MET ASP THR ASP GLY LEU SEQRES 7 A 146 LEU TYR GLY SER GLN THR PRO ASN GLU GLU CYS LEU PHE SEQRES 8 A 146 LEU GLU ARG LEU GLU GLU ASN HIS TYR ASN THR TYR ILE SEQRES 9 A 146 SER LYS LYS HIS ALA GLU LYS ASN TRP PHE VAL GLY LEU SEQRES 10 A 146 LYS LYS ASN GLY SER CYS LYS ARG GLY PRO ARG THR HIS SEQRES 11 A 146 TYR GLY GLN LYS ALA ILE LEU PHE LEU PRO LEU PRO VAL SEQRES 12 A 146 SER SER ASP SEQRES 1 B 146 HIS HIS HIS HIS HIS HIS PHE ASN LEU PRO PRO GLY ASN SEQRES 2 B 146 TYR LYS LYS PRO LYS LEU LEU TYR CYS SER ASN GLY GLY SEQRES 3 B 146 HIS PHE LEU ARG ILE ALA PRO ASP GLY THR VAL ASP GLY SEQRES 4 B 146 THR ARG ASP ARG SER ASP GLN HIS ILE GLN LEU GLN LEU SEQRES 5 B 146 SER ALA GLU SER VAL GLY GLU VAL TYR ILE LYS SER THR SEQRES 6 B 146 GLU THR GLY GLN TYR LEU ALA MET ASP THR ASP GLY LEU SEQRES 7 B 146 LEU TYR GLY SER GLN THR PRO ASN GLU GLU CYS LEU PHE SEQRES 8 B 146 LEU GLU ARG LEU GLU GLU ASN HIS TYR ASN THR TYR ILE SEQRES 9 B 146 SER LYS LYS HIS ALA GLU LYS ASN TRP PHE VAL GLY LEU SEQRES 10 B 146 LYS LYS ASN GLY SER CYS LYS ARG GLY PRO ARG THR HIS SEQRES 11 B 146 TYR GLY GLN LYS ALA ILE LEU PHE LEU PRO LEU PRO VAL SEQRES 12 B 146 SER SER ASP HET SO4 A 141 5 HET FMT A 142 3 HET FMT B 141 3 HETNAM SO4 SULFATE ION HETNAM FMT FORMIC ACID FORMUL 3 SO4 O4 S 2- FORMUL 4 FMT 2(C H2 O2) FORMUL 6 HOH *166(H2 O) HELIX 1 1 ASN A 80 CYS A 83 5 4 HELIX 2 2 HIS A 102 ASN A 106 5 5 HELIX 3 3 ARG A 119 THR A 123 5 5 HELIX 4 4 ASN B 80 CYS B 83 5 4 HELIX 5 5 HIS B 102 ASN B 106 5 5 HELIX 6 6 ARG B 119 THR B 123 5 5 SHEET 1 A 4 VAL A 31 THR A 34 0 SHEET 2 A 4 HIS A 21 ILE A 25 -1 N ARG A 24 O ASP A 32 SHEET 3 A 4 LYS A 12 CYS A 16 -1 N CYS A 16 O HIS A 21 SHEET 4 A 4 PHE A 132 PRO A 136 -1 O LEU A 135 N LEU A 13 SHEET 1 B 4 LEU A 44 SER A 50 0 SHEET 2 B 4 GLU A 53 SER A 58 -1 O LYS A 57 N GLN A 45 SHEET 3 B 4 PHE A 85 GLU A 90 -1 O PHE A 85 N VAL A 54 SHEET 4 B 4 TYR A 94 SER A 99 -1 O ILE A 98 N LEU A 86 SHEET 1 C 2 TYR A 64 MET A 67 0 SHEET 2 C 2 LEU A 73 SER A 76 -1 O SER A 76 N TYR A 64 SHEET 1 D 4 VAL B 31 THR B 34 0 SHEET 2 D 4 HIS B 21 ILE B 25 -1 N PHE B 22 O THR B 34 SHEET 3 D 4 LYS B 12 CYS B 16 -1 N CYS B 16 O HIS B 21 SHEET 4 D 4 PHE B 132 PRO B 136 -1 O LEU B 135 N LEU B 13 SHEET 1 E 4 LEU B 44 ALA B 48 0 SHEET 2 E 4 GLU B 53 SER B 58 -1 O LYS B 57 N GLN B 45 SHEET 3 E 4 PHE B 85 GLU B 90 -1 O PHE B 85 N VAL B 54 SHEET 4 E 4 TYR B 94 SER B 99 -1 O ILE B 98 N LEU B 86 SHEET 1 F 2 TYR B 64 MET B 67 0 SHEET 2 F 2 LEU B 73 SER B 76 -1 O SER B 76 N TYR B 64 SITE 1 AC1 4 ASN A 18 LYS A 112 LYS A 113 HOH A 166 SITE 1 AC2 5 HIS A 1C HIS A 1D HIS A 1E LEU A 86 SITE 2 AC2 5 HOH A 164 SITE 1 AC3 5 HIS B 1C HIS B 1D HIS B 1E LEU B 86 SITE 2 AC3 5 HOH B 155 CRYST1 74.328 96.652 107.888 90.00 90.00 90.00 C 2 2 21 16 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 0.013454 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010346 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009269 0.00000