1A0K

PROFILIN I FROM ARABIDOPSIS THALIANA

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3NUL	PDB ENTRY 3NUL

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		5		2.0 M AMMONIUM SULFATE, 0.1 M CITRATE PH 5.0, 10 MM DTT, 0.2 MM EDTA

Crystal Properties
Matthews coefficient	Solvent content
1.9	22

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 43.05	α = 90
b = 43.53	β = 90
c = 59.87	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	298	IMAGE PLATE	RIGAKU	YALE MIRRORS	1996-09-21	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.2	30	90.4	0.066	0.066	0.2176	2.6		5530		5	4.02

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.2	2.28	55.5		0.12	0.129	10.13	1.5

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	DURING REFINEMENT	PDB ENTRY 3NUL	2.2	6	2	5530	418	91.23	0.172	0.172	0.238	RANDOM	12.5

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]
-0.02268	0.00818	-0.01218	-0.01178	0.00154	0.09292

RMS Deviations
Key	Refinement Restraint Deviation
x_dihedral_angle_d	23.65
x_angle_deg	1.907
x_improper_angle_d	1.568
x_bond_d	0.014
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1260
Nucleic Acid Atoms
Solvent Atoms	26
Heterogen Atoms

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
DENZO	data reduction
SCALEPACK	data scaling
X-PLOR	phasing

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.