2X85

Tailspike protein of E. coli bacteriophage HK620 in complex with hexasaccharide

X-RAY DIFFRACTION

---

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2VJI	PDB ENTRY 2VJI

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	293	VAPOR DIFFUSION, HANGING DROP: PROTEIN CONCENTRATION 8MG/ML. BUFFER: 40MM TRIS, PH7.8, 2MM EDTA, 0.2M NACL. RESERVOIR: 100MM TRIS PH8.5, 3.5M NA-FORMIATE. DROPLET 1.5:1.5 MICROLITER, 0.3 MICROLITER 33MM HEXASACCHARIDE. TEMPERATURE 20 DEGREE CELSIUS.

Crystal Properties
Matthews coefficient	Solvent content
2.13	42.2

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.25	α = 90
b = 74.25	β = 90
c = 174.44	γ = 120

Symmetry
Space Group	P 3 2 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	CCD	MARMOSAIC 225 mm CCD	GLAS MIRROR	2009-10-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1		BESSY	14.1

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	1.5	36.31	90.4	0.05	18.2	4.1		77347			19.6

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	1.5	1.54	66		0.24	4.8	3.4

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 2VJI	1.5	37.13	77347	4112	90.4	0.16659	0.16491	0.19825	RANDOM	14.9

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]
0.61	0.31		0.61		-0.92

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.543
r_dihedral_angle_4_deg	15.821
r_dihedral_angle_3_deg	11.096
r_dihedral_angle_1_deg	7.119
r_scangle_it	2.73
r_scbond_it	2.01
r_angle_refined_deg	1.33
r_mcangle_it	1.221
r_angle_other_deg	1.041
r_mcbond_it	0.778
r_mcbond_other	0.255
r_chiral_restr	0.091
r_bond_refined_d	0.01
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_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	4532
Nucleic Acid Atoms
Solvent Atoms	691
Heterogen Atoms	84

Software

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