1QZT

Phosphotransacetylase from Methanosarcina thermophila

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5	294	sodium acetate, ammonium sulfate, DTT, pH 5.0, VAPOR DIFFUSION, HANGING DROP, temperature 294K

Crystal Properties
Matthews coefficient	Solvent content
3.05	59.67

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 115.345	α = 90
b = 115.345	β = 90
c = 129.366	γ = 90

Symmetry
Space Group	P 41

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 4		2003-06-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X26C	1.1	NSLS	X26C

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	2.6	50	96.8	0.084	0.084			49910	49910

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.6	2.69	97.9

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	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION		THROUGHOUT	2.7	20	42640	2225	96.75	0.24864	0.24667	0.28636	RANDOM	43.046

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]
2.07			2.07		-4.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	4.859
r_scangle_it	3.392
r_scbond_it	1.97
r_mcangle_it	1.64
r_angle_refined_deg	1.549
r_angle_other_deg	0.902
r_mcbond_it	0.862
r_symmetry_hbond_refined	0.278
r_symmetry_vdw_refined	0.266
r_symmetry_vdw_other	0.263
r_nbd_other	0.245
r_nbd_refined	0.221
r_xyhbond_nbd_refined	0.155
r_chiral_restr	0.1
r_nbtor_other	0.089
r_bond_refined_d	0.016
r_gen_planes_refined	0.005
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9832
Nucleic Acid Atoms
Solvent Atoms	102
Heterogen Atoms	55

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
MLPHARE	phasing