PDB Short entry for 2B1F HEADER BIOSYNTHETIC PROTEIN 15-SEP-05 2B1F TITLE ANTIPARALLEL FOUR-STRANDED COILED COIL SPECIFIED BY A 3-3-1 TITLE 2 HYDROPHOBIC HEPTAD REPEAT COMPND MOL_ID: 1; COMPND 2 MOLECULE: GENERAL CONTROL PROTEIN GCN4; COMPND 3 CHAIN: A, B, C, D; COMPND 4 SYNONYM: AMINO ACID BIOSYNTHESIS REGULATORY PROTEIN; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SACCHAROMYCES CEREVISIAE; SOURCE 3 ORGANISM_COMMON: BAKER'S YEAST; SOURCE 4 ORGANISM_TAXID: 4932; SOURCE 5 GENE: GCN4, AAS3, ARG9; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21/PLYSIS; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PPA KEYWDS COILED COILS, PROTEIN DESIGN, ANTIPARALLEL TETRAMER, ALA COILS, KEYWDS 2 PROTEIN STRUCTURE, BIOSYNTHETIC PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.DENG,J.LIU,Q.ZHENG,D.ELIEZER,N.R.KALLENBACH,M.LU REVDAT 5 14-FEB-24 2B1F 1 REMARK REVDAT 4 20-OCT-21 2B1F 1 SEQADV REVDAT 3 24-FEB-09 2B1F 1 VERSN REVDAT 2 08-AUG-06 2B1F 1 JRNL REVDAT 1 31-JAN-06 2B1F 0 JRNL AUTH Y.DENG,J.LIU,Q.ZHENG,D.ELIEZER,N.R.KALLENBACH,M.LU JRNL TITL ANTIPARALLEL FOUR-STRANDED COILED COIL SPECIFIED BY A 3-3-1 JRNL TITL 2 HYDROPHOBIC HEPTAD REPEAT. JRNL REF STRUCTURE V. 14 247 2006 JRNL REFN ISSN 0969-2126 JRNL PMID 16472744 JRNL DOI 10.1016/J.STR.2005.10.010 REMARK 2 REMARK 2 RESOLUTION. 1.50 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.2.0005 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) : 1.50 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 36.47 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 3 NUMBER OF REFLECTIONS : 20939 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) : 0.238 REMARK 3 R VALUE (WORKING SET) : 0.233 REMARK 3 FREE R VALUE : 0.283 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.200 REMARK 3 FREE R VALUE TEST SET COUNT : 2132 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) : 1.50 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.54 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1356 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.20 REMARK 3 BIN R VALUE (WORKING SET) : 0.2650 REMARK 3 BIN FREE R VALUE SET COUNT : 149 REMARK 3 BIN FREE R VALUE : 0.3050 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 980 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 117 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 20.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 23.68 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.25000 REMARK 3 B22 (A**2) : -0.75000 REMARK 3 B33 (A**2) : 1.00000 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): 0.100 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.107 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.070 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.839 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.934 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.901 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 984 ; 0.011 ; 0.022 REMARK 3 BOND LENGTHS OTHERS (A): NULL ; NULL ; NULL REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1318 ; 1.290 ; 2.000 REMARK 3 BOND ANGLES OTHERS (DEGREES): NULL ; NULL ; NULL REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 120 ; 3.832 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 45 ;32.029 ;26.444 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 205 ;15.373 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 4 ;17.869 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 161 ; 0.070 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 688 ; 0.005 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 521 ; 0.215 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): NULL ; NULL ; NULL REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 678 ; 0.296 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 68 ; 0.140 ; 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): 34 ; 0.125 ; 0.200 REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): 19 ; 0.134 ; 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): 627 ; 0.910 ; 1.500 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 971 ; 1.469 ; 2.000 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 383 ; 2.584 ; 3.000 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 347 ; 3.671 ; 4.500 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 : BABINET MODEL WITH 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 2B1F COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-SEP-05. REMARK 100 THE DEPOSITION ID IS D_1000034555. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-NOV-04 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 8.2 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9788 REMARK 200 MONOCHROMATOR : GRAPHITE REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 20939 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.500 REMARK 200 RESOLUTION RANGE LOW (A) : 36.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.04200 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.55 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.9 REMARK 200 DATA REDUNDANCY IN SHELL : 5.40 REMARK 200 R MERGE FOR SHELL (I) : 0.27600 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : 6.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 42.90 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.20 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: ETHANOL, TRIS-HCL, PH 8.2, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 295.0K 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 23.82900 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 28.26100 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 23.85100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 28.26100 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.82900 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 23.85100 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TETRAMER. 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5810 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 7060 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -59.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D 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 GLU A 32 REMARK 465 ARG A 33 REMARK 465 MET B 0 REMARK 465 ARG B 33 REMARK 465 MET C 0 REMARK 465 GLU C 32 REMARK 465 ARG C 33 REMARK 465 MET D 0 REMARK 465 LYS D 1 REMARK 465 GLY D 31 REMARK 465 GLU D 32 REMARK 465 ARG D 33 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2ZTA RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF THE GCN4 LEUCINE ZIPPER, A TWO-STRANDED, REMARK 900 PARALLEL COILED COIL REMARK 900 RELATED ID: 1GCM RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GCN4 LEUCINE ZIPPER CORE MUTANT P-LI REMARK 900 RELATED ID: 1GCL RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF GCN4 LEUCINE ZIPPER CORE MUTANT P-LI REMARK 900 RELATED ID: 2B22 RELATED DB: PDB REMARK 900 CRYSTAL STRUCTURE OF ANTIPARALLEL FOUR-STRANDED COILED COIL REMARK 900 SPECIFIED BY A 3-3-1 HYDROPHOBIC HEPTAD REPEAT DBREF 2B1F A 3 33 UNP P03069 GCN4_YEAST 251 281 DBREF 2B1F B 3 33 UNP P03069 GCN4_YEAST 251 281 DBREF 2B1F C 3 33 UNP P03069 GCN4_YEAST 251 281 DBREF 2B1F D 3 33 UNP P03069 GCN4_YEAST 251 281 SEQADV 2B1F MET A 0 UNP P03069 CLONING ARTIFACT SEQADV 2B1F LYS A 1 UNP P03069 CLONING ARTIFACT SEQADV 2B1F VAL A 2 UNP P03069 CLONING ARTIFACT SEQADV 2B1F ALA A 8 UNP P03069 LYS 256 ENGINEERED MUTATION SEQADV 2B1F ALA A 15 UNP P03069 LYS 263 ENGINEERED MUTATION SEQADV 2B1F ALA A 22 UNP P03069 GLU 270 ENGINEERED MUTATION SEQADV 2B1F MET B 0 UNP P03069 CLONING ARTIFACT SEQADV 2B1F LYS B 1 UNP P03069 CLONING ARTIFACT SEQADV 2B1F VAL B 2 UNP P03069 CLONING ARTIFACT SEQADV 2B1F ALA B 8 UNP P03069 LYS 256 ENGINEERED MUTATION SEQADV 2B1F ALA B 15 UNP P03069 LYS 263 ENGINEERED MUTATION SEQADV 2B1F ALA B 22 UNP P03069 GLU 270 ENGINEERED MUTATION SEQADV 2B1F MET C 0 UNP P03069 CLONING ARTIFACT SEQADV 2B1F LYS C 1 UNP P03069 CLONING ARTIFACT SEQADV 2B1F VAL C 2 UNP P03069 CLONING ARTIFACT SEQADV 2B1F ALA C 8 UNP P03069 LYS 256 ENGINEERED MUTATION SEQADV 2B1F ALA C 15 UNP P03069 LYS 263 ENGINEERED MUTATION SEQADV 2B1F ALA C 22 UNP P03069 GLU 270 ENGINEERED MUTATION SEQADV 2B1F MET D 0 UNP P03069 CLONING ARTIFACT SEQADV 2B1F LYS D 1 UNP P03069 CLONING ARTIFACT SEQADV 2B1F VAL D 2 UNP P03069 CLONING ARTIFACT SEQADV 2B1F ALA D 8 UNP P03069 LYS 256 ENGINEERED MUTATION SEQADV 2B1F ALA D 15 UNP P03069 LYS 263 ENGINEERED MUTATION SEQADV 2B1F ALA D 22 UNP P03069 GLU 270 ENGINEERED MUTATION SEQRES 1 A 34 MET LYS VAL LYS GLN LEU GLU ASP ALA VAL GLU GLU LEU SEQRES 2 A 34 LEU SER ALA ASN TYR HIS LEU GLU ASN ALA VAL ALA ARG SEQRES 3 A 34 LEU LYS LYS LEU VAL GLY GLU ARG SEQRES 1 B 34 MET LYS VAL LYS GLN LEU GLU ASP ALA VAL GLU GLU LEU SEQRES 2 B 34 LEU SER ALA ASN TYR HIS LEU GLU ASN ALA VAL ALA ARG SEQRES 3 B 34 LEU LYS LYS LEU VAL GLY GLU ARG SEQRES 1 C 34 MET LYS VAL LYS GLN LEU GLU ASP ALA VAL GLU GLU LEU SEQRES 2 C 34 LEU SER ALA ASN TYR HIS LEU GLU ASN ALA VAL ALA ARG SEQRES 3 C 34 LEU LYS LYS LEU VAL GLY GLU ARG SEQRES 1 D 34 MET LYS VAL LYS GLN LEU GLU ASP ALA VAL GLU GLU LEU SEQRES 2 D 34 LEU SER ALA ASN TYR HIS LEU GLU ASN ALA VAL ALA ARG SEQRES 3 D 34 LEU LYS LYS LEU VAL GLY GLU ARG FORMUL 5 HOH *117(H2 O) HELIX 1 1 LYS A 1 GLY A 31 1 31 HELIX 2 2 LYS B 1 GLY B 31 1 31 HELIX 3 3 LYS C 1 GLY C 31 1 31 HELIX 4 4 VAL D 2 VAL D 30 1 29 CRYST1 47.658 47.702 56.522 90.00 90.00 90.00 P 21 21 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 0.020983 0.000000 0.000000 0.00000 SCALE2 0.000000 0.020963 0.000000 0.00000 SCALE3 0.000000 0.000000 0.017692 0.00000