3DJV

Bovine Seminal Ribonuclease- cytidine 3' phosphate complex

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8.5	289	30% PEG4000, 0.1M sodium acetate, 0.1M Tris/HCl, pH8.5, VAPOR DIFFUSION, HANGING DROP, temperature 289K

Crystal Properties
Matthews coefficient	Solvent content
2.14	42.65

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 48.355	α = 90
b = 58.997	β = 90
c = 81.994	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	MAR CCD 165 mm		2007-02-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	EMBL/DESY, HAMBURG BEAMLINE X13	0.8088	EMBL/DESY, HAMBURG	X13

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym 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	1.6	27.6	97.9	0.036	26.2	4.9	31120	31086		-3	16.4

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.6	1.63	85.1		0.273	5.4	3.7	7804

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	FOURIER SYNTHESIS	THROUGHOUT	PDB ENTRY 1R5D	1.6	27.6	31120	29510	1575	97.64	0.17809	0.17667	0.20363	RANDOM	13.69

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]
0.03			-0.2		0.17

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.209
r_dihedral_angle_3_deg	11.618
r_dihedral_angle_4_deg	8.804
r_dihedral_angle_1_deg	5.542
r_scangle_it	2.394
r_scbond_it	1.485
r_angle_refined_deg	1.342
r_mcangle_it	0.895
r_mcbond_it	0.512
r_nbtor_refined	0.289
r_nbd_refined	0.187
r_symmetry_vdw_refined	0.15
r_xyhbond_nbd_refined	0.117
r_symmetry_hbond_refined	0.11
r_chiral_restr	0.09
r_bond_refined_d	0.007
r_gen_planes_refined	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1882
Nucleic Acid Atoms
Solvent Atoms	309
Heterogen Atoms	42

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
DENZO	data reduction
SCALEPACK	data scaling
REFMAC	phasing