3H0M

Structure of trna-dependent amidotransferase gatcab from aquifex aeolicus

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2H0L	PDB entry 2H0L

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.5	293	1:1 ratio of Protein solution (6-9mg/ml GatCAB,10mM HEPES, 50uM Zn acetate,10mM Gln, 0.6mM ATP) mix with well solution (10-12% PEG3350, 10mM Mg formate), pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.69	54.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 128.248	α = 90.01
b = 129.856	β = 89.96
c = 155.069	γ = 90.11

Symmetry
Space Group	P 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	CCD	MARMOSAIC 300 mm CCD		2005-12-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 23-ID-D	1.0274	APS	23-ID-D

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	2.8	39.4	98	0.061	0.061	11.5	2	241473	241473

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)
	2.8	2.9	96.8		0.478	0.478	1.6	1.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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 2H0L	2.8	39.37	241468	229209	12256	98	0.25623	0.25364	0.3054	RANDOM	61.581

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]
-4.1	0.42	0.33	8.81	1.49	-4.7

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.852
r_dihedral_angle_4_deg	20.316
r_dihedral_angle_3_deg	20.057
r_dihedral_angle_1_deg	7.01
r_angle_refined_deg	1.491
r_nbtor_refined	0.316
r_nbd_refined	0.241
r_symmetry_vdw_refined	0.239
r_symmetry_hbond_refined	0.233
r_xyhbond_nbd_refined	0.153
r_chiral_restr	0.104
r_bond_refined_d	0.013
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	62848
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms	87

Software

Software
Software Name	Purpose
HKL-2000	data collection
PHASES	phasing
REFMAC	refinement
HKL-2000	data reduction
SCALEPACK	data scaling