HEADER VIRAL PROTEIN 26-FEB-21 7LW0 TITLE STRUCTURAL AND BIOCHEMICAL INSIGHT INTO ASSEMBLY OF MOLECULAR MOTORS TITLE 2 INVOLVED IN VIRAL DNA PACKAGING COMPND MOL_ID: 1; COMPND 2 MOLECULE: TERMINASE SMALL SUBUNIT; COMPND 3 CHAIN: A, B, C, D, E, F, G, H; COMPND 4 SYNONYM: DNA-PACKAGING PROTEIN NU1,GENE PRODUCT NU1,GPNU1; COMPND 5 EC: 3.6.4.-; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA PHAGE LAMBDA; SOURCE 3 ORGANISM_COMMON: BACTERIOPHAGE LAMBDA; SOURCE 4 ORGANISM_TAXID: 10710; SOURCE 5 GENE: NU1, LAMBDAP01; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS DNA PACKAGING, TERMINASE, VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.E.ORTEGA REVDAT 2 06-NOV-24 7LW0 1 REMARK REVDAT 1 02-MAR-22 7LW0 0 JRNL AUTH M.E.ORTEGA,A.RANDRIAMIHAJA,N.ROSSEN,J.P.BRANNON,C.MARQUEZ, JRNL AUTH 2 R.WEST,S.DABBAGH,R.ROBLES,A.LEGUE JRNL TITL STRUCTURAL AND BIOCHEMICAL INSIGHT INTO ASSEMBLY OF JRNL TITL 2 MOLECULAR MOTORS INVOLVED IN VIRAL DNA PACKAGING JRNL REF TO BE PUBLISHED JRNL REFN REMARK 2 REMARK 2 RESOLUTION. 2.32 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0257 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) : 2.32 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 34.26 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 COMPLETENESS FOR RANGE (%) : 97.1 REMARK 3 NUMBER OF REFLECTIONS : 15058 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) : 0.122 REMARK 3 R VALUE (WORKING SET) : 0.119 REMARK 3 FREE R VALUE : 0.152 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 REMARK 3 FREE R VALUE TEST SET COUNT : 1673 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.32 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.38 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1060 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 90.54 REMARK 3 BIN R VALUE (WORKING SET) : 0.0810 REMARK 3 BIN FREE R VALUE SET COUNT : 108 REMARK 3 BIN FREE R VALUE : 0.1500 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3504 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 25.54 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.12000 REMARK 3 B22 (A**2) : -0.09000 REMARK 3 B33 (A**2) : -0.03000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : -0.07000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.609 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.179 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.060 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.457 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.961 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.945 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 3560 ; 0.013 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 3312 ; 0.002 ; 0.018 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 4784 ; 1.581 ; 1.632 REMARK 3 BOND ANGLES OTHERS (DEGREES): 7672 ; 1.317 ; 1.591 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 440 ; 6.012 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 200 ;37.102 ;23.200 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 640 ;19.671 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 24 ;20.545 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 440 ; 0.112 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 4024 ; 0.008 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 752 ; 0.002 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL 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): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): NULL ; NULL ; NULL 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 : 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: HYDROGENS HAVE BEEN ADDED IN THE RIDING REMARK 3 POSITIONS U VALUES : REFINED INDIVIDUALLY REMARK 4 REMARK 4 7LW0 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-MAR-21. REMARK 100 THE DEPOSITION ID IS D_1000254998. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-FEB-10 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : .987 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL 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 : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16731 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.320 REMARK 200 RESOLUTION RANGE LOW (A) : 34.300 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 97.5 REMARK 200 DATA REDUNDANCY : 2.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.5000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.32 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.40 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 39.68 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: ISOPROPANOL 5%, 10MM MAGNESIUM REMARK 280 ACETATE, TRIS PH 7.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE REMARK 280 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,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 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: OCTAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F, G, H 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: 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 LEU A 30 -120.66 -83.89 REMARK 500 ARG A 31 98.46 -62.25 REMARK 500 GLU B 38 168.75 -48.35 REMARK 500 ARG D 31 110.28 -29.71 REMARK 500 LEU E 30 -157.90 -81.44 REMARK 500 ARG E 31 -166.75 -117.05 REMARK 500 LYS E 35 97.17 67.63 REMARK 500 ASP E 54 46.11 -144.86 REMARK 500 LEU G 30 -159.40 -78.84 REMARK 500 ARG G 31 -163.08 -115.75 REMARK 500 LYS G 35 86.71 74.60 REMARK 500 ASP G 54 33.64 -144.87 REMARK 500 LEU H 30 -141.66 -81.36 REMARK 500 ARG H 31 -169.23 -123.58 REMARK 500 LYS H 35 96.69 72.11 REMARK 500 ASN H 37 122.35 -176.02 REMARK 500 REMARK 500 REMARK: NULL DBREF 7LW0 A 1 56 UNP P03707 TERS_LAMBD 1 56 DBREF 7LW0 B 1 56 UNP P03707 TERS_LAMBD 1 56 DBREF 7LW0 C 1 56 UNP P03707 TERS_LAMBD 1 56 DBREF 7LW0 D 1 56 UNP P03707 TERS_LAMBD 1 56 DBREF 7LW0 E 1 56 UNP P03707 TERS_LAMBD 1 56 DBREF 7LW0 F 1 56 UNP P03707 TERS_LAMBD 1 56 DBREF 7LW0 G 1 56 UNP P03707 TERS_LAMBD 1 56 DBREF 7LW0 H 1 56 UNP P03707 TERS_LAMBD 1 56 SEQADV 7LW0 CYS A 56 UNP P03707 GLU 56 CONFLICT SEQADV 7LW0 CYS B 56 UNP P03707 GLU 56 CONFLICT SEQADV 7LW0 CYS C 56 UNP P03707 GLU 56 CONFLICT SEQADV 7LW0 CYS D 56 UNP P03707 GLU 56 CONFLICT SEQADV 7LW0 CYS E 56 UNP P03707 GLU 56 CONFLICT SEQADV 7LW0 CYS F 56 UNP P03707 GLU 56 CONFLICT SEQADV 7LW0 CYS G 56 UNP P03707 GLU 56 CONFLICT SEQADV 7LW0 CYS H 56 UNP P03707 GLU 56 CONFLICT SEQRES 1 A 56 MET GLU VAL ASN LYS LYS GLN LEU ALA ASP ILE PHE GLY SEQRES 2 A 56 ALA SER ILE ARG THR ILE GLN ASN TRP GLN GLU GLN GLY SEQRES 3 A 56 MET PRO VAL LEU ARG GLY GLY GLY LYS GLY ASN GLU VAL SEQRES 4 A 56 LEU TYR ASP SER ALA ALA VAL ILE LYS TRP TYR ALA GLU SEQRES 5 A 56 ARG ASP ALA CYS SEQRES 1 B 56 MET GLU VAL ASN LYS LYS GLN LEU ALA ASP ILE PHE GLY SEQRES 2 B 56 ALA SER ILE ARG THR ILE GLN ASN TRP GLN GLU GLN GLY SEQRES 3 B 56 MET PRO VAL LEU ARG GLY GLY GLY LYS GLY ASN GLU VAL SEQRES 4 B 56 LEU TYR ASP SER ALA ALA VAL ILE LYS TRP TYR ALA GLU SEQRES 5 B 56 ARG ASP ALA CYS SEQRES 1 C 56 MET GLU VAL ASN LYS LYS GLN LEU ALA ASP ILE PHE GLY SEQRES 2 C 56 ALA SER ILE ARG THR ILE GLN ASN TRP GLN GLU GLN GLY SEQRES 3 C 56 MET PRO VAL LEU ARG GLY GLY GLY LYS GLY ASN GLU VAL SEQRES 4 C 56 LEU TYR ASP SER ALA ALA VAL ILE LYS TRP TYR ALA GLU SEQRES 5 C 56 ARG ASP ALA CYS SEQRES 1 D 56 MET GLU VAL ASN LYS LYS GLN LEU ALA ASP ILE PHE GLY SEQRES 2 D 56 ALA SER ILE ARG THR ILE GLN ASN TRP GLN GLU GLN GLY SEQRES 3 D 56 MET PRO VAL LEU ARG GLY GLY GLY LYS GLY ASN GLU VAL SEQRES 4 D 56 LEU TYR ASP SER ALA ALA VAL ILE LYS TRP TYR ALA GLU SEQRES 5 D 56 ARG ASP ALA CYS SEQRES 1 E 56 MET GLU VAL ASN LYS LYS GLN LEU ALA ASP ILE PHE GLY SEQRES 2 E 56 ALA SER ILE ARG THR ILE GLN ASN TRP GLN GLU GLN GLY SEQRES 3 E 56 MET PRO VAL LEU ARG GLY GLY GLY LYS GLY ASN GLU VAL SEQRES 4 E 56 LEU TYR ASP SER ALA ALA VAL ILE LYS TRP TYR ALA GLU SEQRES 5 E 56 ARG ASP ALA CYS SEQRES 1 F 56 MET GLU VAL ASN LYS LYS GLN LEU ALA ASP ILE PHE GLY SEQRES 2 F 56 ALA SER ILE ARG THR ILE GLN ASN TRP GLN GLU GLN GLY SEQRES 3 F 56 MET PRO VAL LEU ARG GLY GLY GLY LYS GLY ASN GLU VAL SEQRES 4 F 56 LEU TYR ASP SER ALA ALA VAL ILE LYS TRP TYR ALA GLU SEQRES 5 F 56 ARG ASP ALA CYS SEQRES 1 G 56 MET GLU VAL ASN LYS LYS GLN LEU ALA ASP ILE PHE GLY SEQRES 2 G 56 ALA SER ILE ARG THR ILE GLN ASN TRP GLN GLU GLN GLY SEQRES 3 G 56 MET PRO VAL LEU ARG GLY GLY GLY LYS GLY ASN GLU VAL SEQRES 4 G 56 LEU TYR ASP SER ALA ALA VAL ILE LYS TRP TYR ALA GLU SEQRES 5 G 56 ARG ASP ALA CYS SEQRES 1 H 56 MET GLU VAL ASN LYS LYS GLN LEU ALA ASP ILE PHE GLY SEQRES 2 H 56 ALA SER ILE ARG THR ILE GLN ASN TRP GLN GLU GLN GLY SEQRES 3 H 56 MET PRO VAL LEU ARG GLY GLY GLY LYS GLY ASN GLU VAL SEQRES 4 H 56 LEU TYR ASP SER ALA ALA VAL ILE LYS TRP TYR ALA GLU SEQRES 5 H 56 ARG ASP ALA CYS HELIX 1 AA1 LYS A 5 GLY A 13 1 9 HELIX 2 AA2 SER A 15 GLN A 25 1 11 HELIX 3 AA3 SER A 43 ALA A 55 1 13 HELIX 4 AA4 ASN B 4 GLY B 13 1 10 HELIX 5 AA5 SER B 15 GLN B 25 1 11 HELIX 6 AA6 SER B 43 ASP B 54 1 12 HELIX 7 AA7 ASN C 4 GLY C 13 1 10 HELIX 8 AA8 SER C 15 GLN C 25 1 11 HELIX 9 AA9 SER C 43 ALA C 55 1 13 HELIX 10 AB1 ASN D 4 GLY D 13 1 10 HELIX 11 AB2 SER D 15 GLN D 25 1 11 HELIX 12 AB3 SER D 43 ALA D 55 1 13 HELIX 13 AB4 LYS E 5 GLY E 13 1 9 HELIX 14 AB5 SER E 15 GLN E 25 1 11 HELIX 15 AB6 SER E 43 ARG E 53 1 11 HELIX 16 AB7 LYS F 5 GLY F 13 1 9 HELIX 17 AB8 SER F 15 GLN F 25 1 11 HELIX 18 AB9 SER F 43 GLU F 52 1 10 HELIX 19 AC1 LYS G 5 GLY G 13 1 9 HELIX 20 AC2 SER G 15 GLN G 25 1 11 HELIX 21 AC3 SER G 43 ARG G 53 1 11 HELIX 22 AC4 LYS H 5 GLY H 13 1 9 HELIX 23 AC5 SER H 15 GLN H 25 1 11 HELIX 24 AC6 SER H 43 ARG H 53 1 11 SHEET 1 AA1 2 GLU A 2 ASN A 4 0 SHEET 2 AA1 2 LEU A 40 ASP A 42 -1 O TYR A 41 N VAL A 3 SHEET 1 AA2 2 GLU B 2 VAL B 3 0 SHEET 2 AA2 2 TYR B 41 ASP B 42 -1 O TYR B 41 N VAL B 3 SHEET 1 AA3 2 GLU C 2 VAL C 3 0 SHEET 2 AA3 2 TYR C 41 ASP C 42 -1 O TYR C 41 N VAL C 3 SHEET 1 AA4 2 GLU D 2 VAL D 3 0 SHEET 2 AA4 2 TYR D 41 ASP D 42 -1 O TYR D 41 N VAL D 3 SHEET 1 AA5 2 GLU E 2 ASN E 4 0 SHEET 2 AA5 2 LEU E 40 ASP E 42 -1 O TYR E 41 N VAL E 3 SHEET 1 AA6 2 GLU F 2 ASN F 4 0 SHEET 2 AA6 2 LEU F 40 ASP F 42 -1 O TYR F 41 N VAL F 3 SHEET 1 AA7 2 GLU G 2 ASN G 4 0 SHEET 2 AA7 2 LEU G 40 ASP G 42 -1 O TYR G 41 N VAL G 3 SHEET 1 AA8 2 GLU H 2 ASN H 4 0 SHEET 2 AA8 2 LEU H 40 ASP H 42 -1 O TYR H 41 N VAL H 3 SSBOND 1 CYS C 56 CYS F 56 1555 1554 2.92 CRYST1 41.748 42.772 57.222 89.98 89.98 89.88 P 1 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 0.023953 -0.000049 -0.000007 0.00000 SCALE2 0.000000 0.023380 -0.000007 0.00000 SCALE3 0.000000 0.000000 0.017476 0.00000