3I61

Structure of Mss116p bound to ssRNA and ADP-Beryllium Fluoride

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3I5X	PDB entry 3I5X

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7	295	8% tacsimate, 15% PEG 3350, 2.5% ethylene glycol, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 88.294	α = 90
b = 126.082	β = 90
c = 55.721	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	93	IMAGE PLATE	MAR scanner 300 mm plate		2008-12-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 21-ID-G	0.97857	APS	21-ID-G

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	2.1	35	98.1	0.093	21.8		36177	36177	2	2

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)
1	2.1	2.15	87.2		0.398	3.5

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 3I5X	2.1	33.37	36125	34336	1789	97.83	0.18803	0.1863	0.22136	RANDOM

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]

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.067
r_dihedral_angle_4_deg	16.305
r_dihedral_angle_3_deg	11.901
r_dihedral_angle_1_deg	5.394
r_angle_refined_deg	1.056
r_angle_other_deg	0.813
r_bond_refined_d	0.007
r_gen_planes_refined	0.004
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_chiral_restr
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
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	3995
Nucleic Acid Atoms	190
Solvent Atoms	218
Heterogen Atoms	32

Software

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