3BB1

Crystal structure of Toc34 from Pisum sativum in complex with Mg2+ and GMPPNP

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1H65	PDB entry 1H65

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	7.4	296	0.2M di-potassiumphosphate 20% PEG3350, pH7.4, VAPOR DIFFUSION, HANGING DROP, temperature 296K

Crystal Properties
Matthews coefficient	Solvent content
3.05	59.66

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 178.776	α = 90
b = 180.061	β = 90
c = 90.948	γ = 90

Symmetry
Space Group	P 21 21 2

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		2006-07-20	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1	1.0723	ESRF	ID23-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	50	99.5	0.077	15.5	3.8	73060	72688	-4	-3	65.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.8	2.85	95.9		0.471	2.4	3.4	3462

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1H65	2.8	49.88	69019	3668	99.52	0.22714	0.2242	0.21	0.28231	0.27	RANDOM	60.756

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]
2.83			2.75		-5.58

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.428
r_dihedral_angle_4_deg	20.887
r_dihedral_angle_3_deg	20.443
r_dihedral_angle_1_deg	10.524
r_scangle_it	2.77
r_angle_refined_deg	2.055
r_scbond_it	1.761
r_angle_other_deg	1.457
r_mcangle_it	1.308
r_mcbond_it	0.852
r_symmetry_vdw_other	0.335
r_chiral_restr	0.272
r_nbd_refined	0.257
r_symmetry_vdw_refined	0.238
r_nbd_other	0.231
r_symmetry_hbond_refined	0.213
r_nbtor_refined	0.196
r_xyhbond_nbd_refined	0.184
r_metal_ion_refined	0.123
r_mcbond_other	0.112
r_nbtor_other	0.096
r_bond_refined_d	0.017
r_xyhbond_nbd_other	0.014
r_gen_planes_refined	0.006
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15155
Nucleic Acid Atoms
Solvent Atoms	327
Heterogen Atoms	320

Software

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