2WLF | pdb_00002wlf

Crystallographic analysis of the polysialic acid O-acetyltransferase OatWY

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
other		IN-HOUSE STRUCTURE

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.6		100 MM SODIUM ACETATE, 2.25 M AMMONIUM ACETATE, pH 4.6

Crystal Properties
Matthews coefficient	Solvent content
2.65	54

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.855	α = 90
b = 94.656	β = 90
c = 100.829	γ = 90

Symmetry
Space Group	P 2 2 2

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	MBC NOIR-1	MIRRORS	2008-06-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 4.2.2		ALS	4.2.2

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	2.35	40	100	0.1	15	4.8		32150		3

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	2.35	2.48	100		0.44	3.2	4.9

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	IN-HOUSE STRUCTURE	2.35	40	30518	1631	99.96	0.18504	0.18255	0.2	0.23094	0.24	RANDOM	12.783

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]
2.37			-1.02		-1.35

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	38.147
r_dihedral_angle_4_deg	16.393
r_dihedral_angle_3_deg	15.785
r_dihedral_angle_1_deg	5.8
r_scangle_it	2.058
r_angle_refined_deg	1.468
r_scbond_it	1.199
r_mcangle_it	0.769
r_angle_other_deg	0.542
r_mcbond_it	0.397
r_chiral_restr	0.157
r_mcbond_other	0.072
r_bond_refined_d	0.009
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other
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	4872
Nucleic Acid Atoms
Solvent Atoms	252
Heterogen Atoms	193

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
PHASER	phasing