3KNZ | pdb_00003knz

Crystal structure of Putative sugar binding protein (NP_459565.1) from Salmonella typhimurium LT2 at 2.50 A resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.5	277	37.1000% 2-ethoxyethanol, 0.0500M calcium acetate, 0.1M Imidazole pH 7.5, NANODROP, VAPOR DIFFUSION, SITTING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.3	62.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 90.028	α = 90
b = 173.344	β = 90
c = 208.574	γ = 90

Symmetry
Space Group	P 21 21 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 325 mm CCD	Flat collimating mirror, toroid focusing mirror	2009-03-20	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL9-2	0.91837,0.97934,0.97922	SSRL	BL9-2

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.5	29.907	99.9	0.123	0.123	9.6	3.8		113412			48.836

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.56	100		0.81	0.81	1.6	3.8	8264

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	2.5	29.907	113329	5672	99.97	0.205	0.203	0.2062	0.232	0.2344	RANDOM	27.788

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]
-0.49			0.83		-0.33

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.974
r_dihedral_angle_4_deg	11.969
r_dihedral_angle_3_deg	10.066
r_scangle_it	4.254
r_scbond_it	2.956
r_dihedral_angle_1_deg	2.453
r_mcangle_it	1.339
r_angle_refined_deg	1.148
r_angle_other_deg	0.774
r_mcbond_it	0.634

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	27.974
r_dihedral_angle_4_deg	11.969
r_dihedral_angle_3_deg	10.066
r_scangle_it	4.254
r_scbond_it	2.956
r_dihedral_angle_1_deg	2.453
r_mcangle_it	1.339
r_angle_refined_deg	1.148
r_angle_other_deg	0.774
r_mcbond_it	0.634
r_mcbond_other	0.167
r_chiral_restr	0.068
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	14786
Nucleic Acid Atoms
Solvent Atoms	431
Heterogen Atoms	22

Software

Software
Software Name	Purpose
REFMAC	refinement
PHENIX	refinement
SOLVE	phasing
MolProbity	model building
SCALA	data scaling
PDB_EXTRACT	data extraction
MOSFLM	data reduction

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 R01GM157729.