2FSH

Complex SecA:AMP-PNP from Escherichia coli

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.79	55.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 75.02	α = 90
b = 90.01	β = 100.52
c = 163.02	γ = 90

Symmetry
Space Group	P 1 21 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	ADSC QUANTUM 4		2003-08-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.976200	ESRF	ID14-4

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	20	90.5	0.051	11.11	2.34	143843	130193			47.066

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)
	2	2.1	61.5		0.331	2.3	1.74

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 (All)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2FSG	2	19.97	143843	130193	6538	90.5	0.206	0.204	0.255	RANDOM	43.523

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]
-0.01		0.01

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.948
r_dihedral_angle_3_deg	19.158
r_dihedral_angle_4_deg	17.18
r_dihedral_angle_1_deg	7.571
r_scangle_it	4.575
r_scbond_it	3.188
r_angle_refined_deg	2.074
r_mcangle_it	1.99
r_mcbond_it	1.666
r_angle_other_deg	1.002
r_mcbond_other	0.347
r_symmetry_hbond_refined	0.291
r_symmetry_vdw_other	0.24
r_nbd_refined	0.236
r_symmetry_vdw_refined	0.229
r_nbd_other	0.213
r_nbtor_refined	0.188
r_xyhbond_nbd_refined	0.181
r_chiral_restr	0.126
r_nbtor_other	0.094
r_xyhbond_nbd_other	0.085
r_bond_refined_d	0.026
r_gen_planes_refined	0.009
r_bond_other_d	0.003
r_gen_planes_other	0.001

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	11235
Nucleic Acid Atoms
Solvent Atoms	431
Heterogen Atoms	62

Software

Software
Software Name	Purpose
XSCALE	data scaling
REFMAC	refinement
PDB_EXTRACT	data extraction
XDS	data reduction