4A0U

Structure of the carboxy-terminal domain of bacteriophage T7 fibre gp17 containing residues 371-553, C2221 crystal form.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4A0T	PDB ENTRY 4A0T

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		10 MM TRIS-HCL, 0.2 M AMMONIUM CITRATE (PH 7.0), 20 % (W/V) POLY-ETHYLENE GLYCOL 3350.

Crystal Properties
Matthews coefficient	Solvent content
2.81	60

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 68.32	α = 90
b = 145.56	β = 90
c = 172.05	γ = 90

Symmetry
Space Group	C 2 2 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MARMOSAIC 225 mm CCD	BENT COLLIMATING MIRROR AND TOROID	2011-06-23	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14		ESRF	BM14

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	2	20	99.9	0.1	6	3.7		58236			19.41

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	2	2.11	100		0.34	2.1	3.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4A0T	2	19.95	55922	2273	100	0.15135	0.14946	0.19675	THIN SHELLS	19.67

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]
-0.63			1.27		-0.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.034
r_dihedral_angle_4_deg	13.247
r_dihedral_angle_3_deg	10.882
r_dihedral_angle_1_deg	7.316
r_scangle_it	3.384
r_scbond_it	2.167
r_angle_refined_deg	1.37
r_mcangle_it	1.195
r_mcbond_it	0.678
r_nbtor_refined	0.304
r_nbd_refined	0.187
r_symmetry_hbond_refined	0.181
r_symmetry_vdw_refined	0.171
r_xyhbond_nbd_refined	0.134
r_chiral_restr	0.1
r_bond_refined_d	0.015
r_gen_planes_refined	0.006
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4348
Nucleic Acid Atoms
Solvent Atoms	910
Heterogen Atoms	8

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing