1UN4

CRYSTAL STRUCTURE OF HUMAN ANGIOGENIN VARIANT T80A

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1B1I	PDB ENTRY 1B1I

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5.2		15% PEG 4000, 0.02% DIOXANE, 0.2M SODIUM POTASSIUM TARTRATE, 0.02M SODIUM CITRATE BUFFER, PH 5.2

Crystal Properties
Matthews coefficient	Solvent content
2.3	46

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 86.549	α = 90
b = 38.297	β = 90
c = 39.043	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	293	CCD	ADSC CCD	RH/SI MIRROR	2001-01-17	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SRS BEAMLINE PX9.6		SRS	PX9.6

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	40	98.6	0.056	13.6	4.6		7942

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	2.18	97.3		0.233	5.1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	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 1B1I	2.1	43.44	7551	367	98.6	0.193	0.191	0.232	RANDOM	28.81

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]
-0.96			-0.83		1.79

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	5.959
r_scangle_it	2.665
r_scbond_it	1.652
r_mcangle_it	1.411
r_angle_other_deg	1.258
r_mcbond_it	0.763
r_nbd_refined	0.179
r_xyhbond_nbd_refined	0.177
r_symmetry_vdw_refined	0.129
r_symmetry_hbond_refined	0.117
r_chiral_restr	0.091
r_bond_refined_d	0.011
r_gen_planes_refined	0.004
r_bond_other_d
r_angle_refined_deg
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_gen_planes_other
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	913
Nucleic Acid Atoms
Solvent Atoms	54
Heterogen Atoms	13

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling
AMoRE	phasing