1ROB | pdb_00001rob

STRUCTURE OF THE CRYSTALLINE COMPLEX OF CYTIDYLIC ACID (2'-CMP) WITH RIBONUCLEASE AT 1.6 ANGSTROMS RESOLUTION

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.55

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.512	α = 90
b = 38.242	β = 106.1
c = 53.303	γ = 90

Symmetry
Space Group	P 1 21 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION		1.6				0.17		0.2368

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
p_angle_d	0.051
p_bond_d	0.022

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	955
Nucleic Acid Atoms
Solvent Atoms	101
Heterogen Atoms	21

Software

Software
Software Name	Purpose
RESTRAIN	refinement