Experiment: 1YRI

Chicken villin subdomain HP-35, N68H, pH6.4

X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.4	293	1ul 100mg/ml peptide plus 1ul (200mM AmOAc, 100mM NaCitrate, 30% PEG4000), pH 6.4, VAPOR DIFFUSION, SITTING DROP, temperature 293K, pH 6.40

Crystal Properties
Matthews coefficient	Solvent content
2.07	40.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 31.98	α = 90
b = 31.98	β = 90
c = 57.027	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	95	CCD	MARRESEARCH		2004-10-24	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)	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	30	99.7	0.1	14.4	25.8		18869		-3

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	1.04	99.8		0.481	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1YRF	1	30	18778	735		0.182		0.205	0.2462	RANDOM	18.2

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
s_bond_d	0.02
s_angle_d	0.02
s_similar_dist	0.02
s_from_restr_planes	0.02
s_zero_chiral_vol	0.02

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	749
Nucleic Acid Atoms
Solvent Atoms	39
Heterogen Atoms	18

Software

Software
Software Name	Purpose
MAR345	data collection
HKL-2000	data reduction
EPMR	phasing
SHELXL-97	refinement
HKL-2000	data scaling