1JO0

Structure of HI1333, a Hypothetical Protein from Haemophilus influenzae with Structural Similarity to RNA-binding Proteins

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	8	298	28-30% PEG4000, 100mM Tris pH 8.0, 10mM CaCl2, + 1.5% heptane-1,2,3-triol added to drop, VAPOR DIFFUSION, HANGING DROP, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.77	41.99

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 30.566	α = 90
b = 51.941	β = 102.19
c = 59.1	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	100	CCD	MARRESEARCH	PT/PD-COATED ULE MIRROR	2001-03-10	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 17-BM	0.91840	APS	17-BM

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	1.37	25.9	99.9	0.0308	26.79	6.47	38052	38052		-3

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	1.37	1.4	100		0.2705	3.06	3.63	2391

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (I)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD (PT & BR)	FREE R	1.37	25.9	-3	38052	38052	3072	99.9	0.1379	0.2214	RANDOM

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]

Coordinate Error
Structure Solution Method	Refinement High Resolution	Refinement Low Resolution
14	1525	1771.5

RMS Deviations
Key	Refinement Restraint Deviation
s_approx_iso_adps	0.093
s_similar_adp_cmpnt	0.069
s_non_zero_chiral_vol	0.065
s_zero_chiral_vol	0.058
s_angle_d	0.03
s_from_restr_planes	0.0281
s_anti_bump_dis_restr	0.013
s_bond_d	0.011
s_rigid_bond_adp_cmpnt	0.004
s_similar_dist

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1489
Nucleic Acid Atoms
Solvent Atoms	264
Heterogen Atoms	42

Software

Software
Software Name	Purpose
SHELXL-97	refinement
SCALEPACK	data scaling
XPREP	data reduction
SOLVE	phasing
RESOLVE	model building
CNS	refinement
SHELX	model building
DENZO	data reduction
RESOLVE	phasing
CNS	phasing
SHELX	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 R01GM133198.