7EC3 | pdb_00007ec3

Crystal structure of SdgB (complexed with UDP, GlcNAc, and Glycosylated peptide)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	7EC1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP		287	20 mM CaCl2, 85 mM tri-sodium citrate at pH 5.6, 25.5% (w/v) PEG 4,000, and 15% (w/v) glycerol for the SdgB crystal soaked with the 2.66 mM 9mer SD-repeat peptide and 9.60 mM UDP-GlcNAc

Crystal Properties
Matthews coefficient	Solvent content
3.65	66.28

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 70.201	α = 90
b = 130.568	β = 90
c = 189.854	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	PIXEL	DECTRIS EIGER X 4M		2015-05-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	PHOTON FACTORY BEAMLINE BL-1A	1.1000	Photon Factory	BL-1A

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	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	2.5	50	96.7	0.934	12.9	5.4		60708

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.5	2.54			0.776

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	7EC1	2.5	47.05	57606	3041	93.1	0.193	0.191	0.2	0.24	0.24	RANDOM	38.96

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]
-1.77			4.83		-3.06

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	33.767
r_dihedral_angle_4_deg	19.826
r_dihedral_angle_3_deg	17.141
r_dihedral_angle_1_deg	7.417
r_angle_refined_deg	1.707
r_angle_other_deg	1.247
r_chiral_restr	0.08
r_bond_refined_d	0.008
r_gen_planes_refined	0.007
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_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8433
Nucleic Acid Atoms
Solvent Atoms	24
Heterogen Atoms	122

Software

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