1NXW

MicArec pH 5.1

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5.1	293	PEG 300, Sodium acetate, pH 5.1, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.4	48.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 78.353	α = 90
b = 92.622	β = 90
c = 36.892	γ = 90

Symmetry
Space Group	C 2 2 21

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	MACSCIENCE		2002-12-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE BM14	1.024	ESRF	BM14

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	1.92	28.87	99.04				10522	2	2	28.02

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.919	1.969	98.6

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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 1NXT	1.92	28.87	2	9519	1018	99.04	0.18839	0.1846	0.22382	RANDOM	28.022

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]
3.61			-2.21		-1.39

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.141
r_scangle_it	4.875
r_scbond_it	2.797
r_mcangle_it	1.879
r_angle_refined_deg	1.66
r_mcbond_it	1.004
r_angle_other_deg	0.902
r_symmetry_hbond_refined	0.498
r_symmetry_vdw_other	0.333
r_symmetry_vdw_refined	0.261
r_nbd_other	0.25
r_nbd_refined	0.248
r_xyhbond_nbd_refined	0.242
r_chiral_restr	0.107
r_nbtor_other	0.093
r_bond_refined_d	0.02
r_gen_planes_refined	0.006
r_bond_other_d	0.002
r_gen_planes_other	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	935
Nucleic Acid Atoms
Solvent Atoms	56
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
CCP4	data scaling
MOLREP	phasing