1XN4

PUTATIVE MAR1 RIBONUCLEASE FROM LEISHMANIA MAJOR

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1X9G	PDB ENTRY 1X9G

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.2	290	16% PEG 8000, 0.1 M K2HPO4, 0.1M MOPS pH7.2, VAPOR DIFFUSION, SITTING DROP, temperature 290K, pH 7.20

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.86

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 100.431	α = 90
b = 100.431	β = 90
c = 44.736	γ = 90

Symmetry
Space Group	I 4

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray		CCD	ADSC QUANTUM 315		2003-11-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.2.2		ALS	8.2.2

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	3.8	50	99.9	0.126		3.7		2294

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	3.8	3.94	99.6			3.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 1X9G	3.8	40.86	2289	101	99.7	0.313	0.312	70.43

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]
-1.378			-1.378		2.756

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.844
r_dihedral_angle_3_deg	14.242
r_dihedral_angle_4_deg	10.422
r_dihedral_angle_1_deg	3.508
r_angle_refined_deg	0.893
r_nbtor_refined	0.295
r_mcangle_it	0.263
r_nbd_refined	0.177
r_symmetry_vdw_refined	0.152
r_mcbond_it	0.145
r_xyhbond_nbd_refined	0.091
r_chiral_restr	0.054
r_scangle_it	0.036
r_symmetry_hbond_refined	0.03
r_scbond_it	0.023
r_bond_refined_d	0.006
r_gen_planes_refined	0.001
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1504
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms

Software

Software
Software Name	Purpose
SCALEPACK	data scaling
REFMAC	refinement
EPMR	phasing