2OQF | pdb_00002oqf

Structure of a synthetic, non-natural analogue of RNase A: [N71K(Ade), D83A]RNase A

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2NUI	pdb entry 2NUI

Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.1	41.51

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 37.578	α = 85.26
b = 50.534	β = 74.31
c = 62.863	γ = 82.7

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	77	CCD	MARMOSAIC 300 mm CCD		2006-08-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID		APS	22-ID

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	2.3	50					19122

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	pdb entry 2NUI	2.3	20	19122	17142	1958	97.56	0.23555	0.22927	0.23	0.2912	0.29	RANDOM	17.489

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]
1.72	0.02	1.34	-1.78	1.1	-0.86

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	35.479
r_dihedral_angle_3_deg	13.99
r_dihedral_angle_4_deg	10.674
r_dihedral_angle_1_deg	6.058
r_angle_refined_deg	1.214
r_scangle_it	0.907
r_angle_other_deg	0.752
r_scbond_it	0.595
r_mcangle_it	0.381
r_mcbond_it	0.328
r_nbd_refined	0.189
r_nbd_other	0.188
r_nbtor_refined	0.182
r_xyhbond_nbd_refined	0.153
r_symmetry_vdw_other	0.146
r_symmetry_hbond_refined	0.144
r_symmetry_vdw_refined	0.096
r_nbtor_other	0.085
r_chiral_restr	0.065
r_mcbond_other	0.045
r_bond_refined_d	0.007
r_gen_planes_refined	0.003
r_bond_other_d	0.001
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3818
Nucleic Acid Atoms
Solvent Atoms	91
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data scaling