1NXS

MicArec pH4.9

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	293	PEG 300, Sodium acetate, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.41	48.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.042	α = 90
b = 92.581	β = 90
c = 36.744	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	31.47	99.91				10912	2	2	22.876

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	1.92	1.97	98.5

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	31.47	2	9756	1033	99.91	0.19484	0.19064	0.23383	RANDOM	22.876

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]
1.6			-1.46		-0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	6.062
r_scangle_it	4.676
r_scbond_it	2.72
r_angle_refined_deg	2.237
r_mcangle_it	1.902
r_mcbond_it	1.088
r_angle_other_deg	0.974
r_symmetry_hbond_refined	0.435
r_symmetry_vdw_other	0.353
r_symmetry_vdw_refined	0.296
r_nbd_refined	0.262
r_nbd_other	0.255
r_xyhbond_nbd_refined	0.211
r_chiral_restr	0.128
r_nbtor_other	0.089
r_gen_planes_other	0.025
r_bond_refined_d	0.019
r_gen_planes_refined	0.015
r_bond_other_d	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	928
Nucleic Acid Atoms
Solvent Atoms	79
Heterogen Atoms

Software

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