2GAE

Crystal structure of MltA from E. coli

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	4.2	277	10 % PEG 8000, 100 mM sodium acetate, 10 mM magnesium chloride & 360 mM sodium chloride, pH 4.2, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
4.5	72.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 103.88	α = 90
b = 103.88	β = 90
c = 110.56	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	IMAGE PLATE	RIGAKU RAXIS IV	Osmic mirrors	2004-04-29	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU300	1.5418

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	30	97.6	0.077	11.3	5.65	23998	23998			60.8

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	2.07	93.7		0.445	3.4	4.98	4351

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation 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	SAD	THROUGHOUT	2.5	30	23998	23998	1213	98.75	0.256	0.256	0.253	0.31	RANDOM	48.355

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]
3.01	1.51		3.01		-4.52

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.221
r_dihedral_angle_3_deg	18.301
r_dihedral_angle_4_deg	11.589
r_dihedral_angle_1_deg	5.991
r_scangle_it	1.846
r_angle_refined_deg	1.321
r_scbond_it	1.145
r_mcangle_it	0.98
r_mcbond_it	0.557
r_nbtor_refined	0.317
r_symmetry_hbond_refined	0.228
r_nbd_refined	0.213
r_symmetry_vdw_refined	0.194
r_xyhbond_nbd_refined	0.141
r_chiral_restr	0.079
r_bond_refined_d	0.013
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2625
Nucleic Acid Atoms
Solvent Atoms	33
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
d*TREK	data scaling
SOLVE	phasing