4XLF

Tailspike protein double mutant D339N/E372A of E. coli bacteriophage HK620 in complex with pentasaccharide

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	298	0.1 M Tris-HCl, 3.5 M Sodiumformiate

Crystal Properties
Matthews coefficient	Solvent content
2.16	42.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 74.279	α = 90
b = 74.279	β = 90
c = 174.726	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	RAYONIX MX-225	mirrors	2012-11-06	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	BESSY BEAMLINE 14.1	0.91841	BESSY	14.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	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	1.75	43.17	93.9	0.055	0.026	0.999	21	4.9		53810

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.75	1.78	78.3		0.282	0.148	0.92	4.9	3.5	2429

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	4AVZ	1.75	43.17	53810	2687	93.87	0.1404	0.1385	0.1748	RANDOM	14.864

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]
0.25	0.12		0.25		-0.8

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.941
r_dihedral_angle_4_deg	16.018
r_dihedral_angle_3_deg	11.899
r_dihedral_angle_1_deg	7.586
r_angle_refined_deg	1.74
r_mcangle_it	0.92
r_angle_other_deg	0.89
r_mcbond_it	0.604
r_mcbond_other	0.604
r_chiral_restr	0.118

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.941
r_dihedral_angle_4_deg	16.018
r_dihedral_angle_3_deg	11.899
r_dihedral_angle_1_deg	7.586
r_angle_refined_deg	1.74
r_mcangle_it	0.92
r_angle_other_deg	0.89
r_mcbond_it	0.604
r_mcbond_other	0.604
r_chiral_restr	0.118
r_bond_refined_d	0.019
r_gen_planes_refined	0.01
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4543
Nucleic Acid Atoms
Solvent Atoms	673
Heterogen Atoms	84

Software

Software
Software Name	Purpose
XDS	data reduction
Aimless	data scaling
PHASER	phasing
ARP	model building
Coot	model building
REFMAC	refinement
PDB_EXTRACT	data extraction

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.