4OSD

Dimer of a C-terminal fragment of phage T4 gp5 beta-helix

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	291	22% PEG 4000, 200mM Li2SO4, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.94

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 110.288	α = 90
b = 73.786	β = 113.39
c = 111.602	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	PIXEL	DECTRIS PILATUS 6M	dynamically bendable mirror	2012-06-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA	1.0	SLS	X06SA

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	1.96	92.7	96.9	0.094	6.8	2.4		116357		2	34.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.96	2.08	96.3		0.347	2.52	2.44	35910

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDBID 4JJ2	1.96	59.87	116357	110537	5818	99.13	0.22229	0.22229	0.21932	0.27854	RANDOM	36.086

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]
-0.01		-0.01	0.03		-0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.58
r_dihedral_angle_4_deg	19.988
r_dihedral_angle_3_deg	15.083
r_long_range_B_refined	6.804
r_long_range_B_other	6.804
r_dihedral_angle_1_deg	6.532
r_scangle_other	3.465
r_scbond_it	2.312
r_scbond_other	2.312
r_mcangle_it	2.184
r_mcangle_other	2.184
r_angle_refined_deg	1.849
r_angle_other_deg	1.491
r_mcbond_it	1.459
r_mcbond_other	1.458
r_chiral_restr	0.112
r_bond_refined_d	0.019
r_bond_other_d	0.007
r_gen_planes_refined	0.007
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	12156
Nucleic Acid Atoms
Solvent Atoms	638
Heterogen Atoms	354

Software

Software
Software Name	Purpose
PHASER	phasing
REFMAC	refinement
XDS	data reduction
XDS	data scaling