1UVL

The structural basis for RNA specificity and Ca2 inhibition of an RNA-dependent RNA polymerase phi6p2 with 5nt RNA. Conformation B

X-RAY DIFFRACTION

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Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.3		100MM HEPES PH7.3, 13% PEG 20000, 2MM MNCL2, 2% EG 0.036MG PROTEIN INCUBATED WITH 0.006MM 5NT RNA, pH 7.30

Crystal Properties
Matthews coefficient	Solvent content
2.93	58.01

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 105.946	α = 90
b = 91.881	β = 101.56
c = 140.762	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	150				2001-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29		ESRF	ID29

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	20	99.2	0.066	20.9	12		176845		1.8	36

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	2.07	93.5		0.732	1.8

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	A POSTERIORI	PDB ENTRY 1HHS	2	19.82	176845	8877	99	0.281	0.281	0.299	RANDOM	46.7

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]
-6.69		-5.52	19.54		-12.85

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	23.8
c_scangle_it	6.37
c_scbond_it	4.77
c_mcangle_it	3.87
c_mcbond_it	2.88
c_improper_angle_d	2.34
c_angle_deg	2.1
c_bond_d	0.024
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	15795
Nucleic Acid Atoms	291
Solvent Atoms
Heterogen Atoms	3

Software

Software
Software Name	Purpose
CNS	refinement
DENZO	data reduction
SCALEPACK	data scaling
CNS	phasing