3C3E

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

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3C3D	PDB entry 3C3D

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.8	291	Protein solution: 10 mM Tris-HCl pH 7.5, 100 mM NaCl, 5 mM Fo, 5 mM GDP, 5 mM MgCl2, 5 mM DTT. Reservoir solution: 100 mM HEPES pH 6.8, 0.5% PEG 8000, 1.35 M Ammonium sulfate, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Properties
Matthews coefficient	Solvent content
4.89	74.83

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 186.544	α = 90
b = 186.544	β = 90
c = 67.79	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 315	Mirrors	2005-12-11	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS BEAMLINE X12C	0.97926	NSLS	X12C

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	3	28.69	92.6	0.093	0.073	12.13	3	49264	49264			84.9

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)
	3	3.11	90.3		0.368	0.345	1.5	3.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 3C3D	3	28.69	1	49264	39441	3958	74.7	0.206	0.206	0.237	RANDOM	84.9

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]
-18.32			-18.32		36.64

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	22.1
c_angle_deg	1.2
c_improper_angle_d	0.85
c_bond_d	0.009
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	9444
Nucleic Acid Atoms
Solvent Atoms	38
Heterogen Atoms	180

Software

Software
Software Name	Purpose
CNS	refinement
ADSC	data collection
DENZO	data reduction
SCALEPACK	data scaling
COMO	phasing