2C3F

The structure of a group A streptococcal phage-encoded tail-fibre showing hyaluronan lyase activity.

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				3.25M SODIUM FORMATE, PROTEIN CONCENTRATION 10-20 MG/ML IN 20MM HEPES 50MM CALCIUM CHLORIDE. 1 MICROLITRE OF MOTHER LIQUOR MIXED WITH 1 MICROLITRE OF PROTEIN.

Crystal Properties
Matthews coefficient	Solvent content
2.6	51.6

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.534	α = 90
b = 58.534	β = 90
c = 586.585	γ = 120

Symmetry
Space Group	H 3 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	120	CCD	ADSC CCD	FIXED RADII TOROIDAL MIRROR	2003-11-15	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4		ESRF	ID14-4

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	1.8	195.52	98.7	0.1	14	5.5		34533		3.9

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	1.8	1.9	98.8		0.26	2.8	4.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	MAD	THROUGHOUT	1.81	196.12	34533	1816	98.7	0.19	0.188	0.19	0.223	0.22	RANDOM	29.36

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]
1.3	0.65		1.3		-1.95

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.711
r_dihedral_angle_4_deg	20.512
r_dihedral_angle_3_deg	14.106
r_dihedral_angle_1_deg	6.562
r_scangle_it	4.986
r_scbond_it	2.942
r_mcangle_it	1.83
r_angle_refined_deg	1.581
r_mcbond_it	1.058
r_nbtor_refined	0.31
r_nbd_refined	0.212
r_symmetry_vdw_refined	0.18
r_xyhbond_nbd_refined	0.142
r_metal_ion_refined	0.141
r_symmetry_hbond_refined	0.138
r_chiral_restr	0.129
r_symmetry_metal_ion_refined	0.064
r_bond_refined_d	0.017
r_gen_planes_refined	0.007
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_other
r_symmetry_vdw_other
r_symmetry_hbond_other
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	2405
Nucleic Acid Atoms
Solvent Atoms	264
Heterogen Atoms	2

Software

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