Experiment: 4K6B

Atomic structure of bacteriophage HS1 tail needle knob

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	293	26% PEG 3350, 50mM TRIS-HCL, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.74

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 56.78	α = 90
b = 87.363	β = 90
c = 88.849	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	ADSC QUANTUM 4	HORIZONTAL BENT SI(111), ASYMMETRICALLY CUT WITH WATER COOLED CU BLOCK (RH COATED SI)	2008-11-27	M	SINGLE WAVELENGTH
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X6A	0.92	NSLS	X6A
2	SYNCHROTRON	CHESS BEAMLINE F1	0.92	CHESS	F1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.1	20	99.1	0.072	29.96	6	1053320	176986		-3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	1.101	9.976	1.34	176682	176682	2004	98.98	0.1514	0.1513	0.1569	0.157	0.1624	RANDOM

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	11.31
f_angle_d	1.362
f_chiral_restr	0.078
f_bond_d	0.008
f_plane_restr	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3466
Nucleic Acid Atoms
Solvent Atoms	754
Heterogen Atoms	35

Software

Software
Software Name	Purpose
ADSC	data collection
PHASES	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling