2FYF

Structure of a putative phosphoserine aminotransferase from Mycobacterium Tuberculosis

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	8.5	291	Tris-HCl 100mM, NH4SO4 2.2M, pH 8.5, VAPOR DIFFUSION, SITTING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
2.28	46.16

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.478	α = 90
b = 94.056	β = 90
c = 101.063	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	ADSC QUANTUM 210		2005-09-25	M	SINGLE WAVELENGTH
2	1
3	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	1.07198	ESRF	ID29

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	1.5	25	99.7	0.086	17.38	5	118835	118835			12.9

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	1.5	1.55	98.1	98.1	0.559	2.6	4.7	11589

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MIR	1.5	19.932	118697	118697	5973	99.724	0.145	0.145	0.144	0.1664	Random	8.154

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]
0.034			-0.027		-0.007

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.048
r_dihedral_angle_4_deg	16.555
r_dihedral_angle_3_deg	11.377
r_dihedral_angle_1_deg	5.855
r_scangle_it	2.951
r_scbond_it	2.032
r_angle_refined_deg	1.487
r_scangle_other	1.178
r_mcangle_it	1.118
r_mcbond_it	0.921
r_angle_other_deg	0.862
r_scbond_other	0.648
r_mcangle_other	0.486
r_nbd_refined	0.223
r_mcbond_other	0.219
r_symmetry_vdw_other	0.217
r_nbd_other	0.184
r_nbtor_refined	0.184
r_xyhbond_nbd_refined	0.16
r_symmetry_hbond_refined	0.14
r_metal_ion_refined	0.119
r_symmetry_vdw_refined	0.112
r_chiral_restr	0.085
r_nbtor_other	0.084
r_bond_refined_d	0.013
r_gen_planes_refined	0.006
r_bond_other_d	0.001
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5566
Nucleic Acid Atoms
Solvent Atoms	846
Heterogen Atoms	99

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
SOLOMON	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction