3VLU

Crystal structure of Sphingomonas sp. A1 alginate-binding protein AlgQ1 in complex with saturated trimannuronate

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	20% PEG 10000, 0.1M HEPES, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.09	41.24

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 58.472	α = 90
b = 67.52	β = 94.58
c = 61.663	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	CCD	ADSC QUANTUM 315		2011-06-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SPRING-8 BEAMLINE BL38B1	1.0	SPring-8	BL38B1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.55	50	99.6	0.068	40.2	4.1		68880			19.7

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.55	1.58	99.8		0.442	4.1	4.1

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 3A09	1.55	50	65278	3482	99.09	0.19234	0.19128	0.21253	RANDOM	20.609

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]
0.02		-0.7	-1.01		0.88

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.099
r_dihedral_angle_4_deg	13.548
r_dihedral_angle_3_deg	12.049
r_dihedral_angle_1_deg	4.73
r_scangle_it	1.114
r_angle_refined_deg	0.9
r_scbond_it	0.682
r_mcangle_it	0.443
r_mcbond_it	0.228
r_chiral_restr	0.067

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.099
r_dihedral_angle_4_deg	13.548
r_dihedral_angle_3_deg	12.049
r_dihedral_angle_1_deg	4.73
r_scangle_it	1.114
r_angle_refined_deg	0.9
r_scbond_it	0.682
r_mcangle_it	0.443
r_mcbond_it	0.228
r_chiral_restr	0.067
r_bond_refined_d	0.006
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4024
Nucleic Acid Atoms
Solvent Atoms	522
Heterogen Atoms	38

Software

Software
Software Name	Purpose
MOLREP	phasing
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling

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.