2CG4

Structure of E.coli AsnC

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.7		2.2M MAGNESIUM CHLORIDE, O.1M BICINE PH 8.7, 5MM L-ASPARAGINE

Crystal Properties
Matthews coefficient	Solvent content
4.1	69.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.117	α = 90
b = 103.117	β = 90
c = 52.401	γ = 90

Symmetry
Space Group	P 4

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 CCD			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX14.1		SRS	PX14.1

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	2.4	30	99.2	0.1	9.8			21843

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	2.4	2.53	99.9		0.69	1.7

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	LOW RES ASNC FROM SELENO MET EXPERIMENT	2.4	30	20542	1103	99.2	0.232	0.229	0.294	RANDOM	41.33

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]
-1.75			-1.75		3.49

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.2
r_dihedral_angle_3_deg	21.493
r_dihedral_angle_4_deg	17.901
r_dihedral_angle_1_deg	8.617
r_scangle_it	4.555
r_scbond_it	2.829
r_mcangle_it	1.869
r_mcbond_it	1.03
r_angle_refined_deg	0.971
r_symmetry_vdw_refined	0.338
r_nbtor_refined	0.32
r_nbd_refined	0.264
r_symmetry_hbond_refined	0.247
r_xyhbond_nbd_refined	0.181
r_chiral_restr	0.067
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_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	2300
Nucleic Acid Atoms
Solvent Atoms	135
Heterogen Atoms	19

Software

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