3C3D

Crystal structure of 2-phospho-(S)-lactate transferase from Methanosarcina mazei in complex with Fo and phosphate. Northeast Structural Genomics Consortium target MaR46

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	291	Protein solution: 10 mM Tris-HCl pH 7.5, 100 mM NaCl, 5 mM Fo, 5 mM Lactyl phosphate, 5 mM DTT. Reservoir solution: 4.2 M Sodium formate, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
4.82	74.48

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 185.278	α = 90
b = 185.278	β = 90
c = 67.789	γ = 120

Symmetry
Space Group	P 32

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	Mirrors	2005-11-09	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X4A	0.97916	NSLS	X4A

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	2.5	29.59	99.1	0.088	0.084	15.37	5.1	178601	178601			30.8

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.5	2.59	98		0.41	0.43	4.15	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	SAD	THROUGHOUT	2.5	29.59	2	178601	164849	16177	91.6	0.195	0.195	0.231	RANDOM	39.9

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]
-6.31			-6.31		12.62

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.4
c_angle_deg	1.2
c_improper_angle_d	0.85
c_bond_d	0.007
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
c_mcbond_it
c_mcangle_it
c_scbond_it
c_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9484
Nucleic Acid Atoms
Solvent Atoms	493
Heterogen Atoms	100

Software

Software
Software Name	Purpose
CNS	refinement
ADSC	data collection
HKL-2000	data reduction
SCALEPACK	data scaling
SnB	phasing
SOLVE	phasing
RESOLVE	phasing