2BE4

X-RAY STRUCTURE AN EF-HAND PROTEIN FROM DANIO RERIO Dr.36843

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	9	277	10 MG/ML PROTEIN, 26% PEG 2K, 0.100 M BTP, pH 9.0, vapor diffusion, hanging drop, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 47.884	α = 90
b = 52.748	β = 90
c = 114.364	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	MARMOSAIC 300 mm CCD	HORIZONTAL SAGITALLY FOCUSING 2ND BENT MONOCHROMATOR CRYSTAL, VERTICAL BENT FOCUSING MIRROR	2005-10-10	M	MAD
2	1

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID	0.97911, 0.96411	APS	22-ID

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	2.1	80	98.8	0.093	11.052	8.4		17378

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	2.1	2.15	98.3	98.3	0.51	2.779	6.9

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MAD	THROUGHOUT	2.1	57.166	17336	885	98.826	0.179	0.17937	0.1755	0.2529	RANDOM	41.92

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]
0.965			-0.854		-0.111

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.854
r_dihedral_angle_4_deg	22.609
r_dihedral_angle_3_deg	16.312
r_scangle_it	6.373
r_dihedral_angle_1_deg	5.731
r_scbond_it	4.811
r_mcangle_it	2.87
r_mcbond_it	1.687
r_angle_refined_deg	1.586
r_nbtor_refined	0.304
r_nbd_refined	0.212
r_xyhbond_nbd_refined	0.206
r_symmetry_vdw_refined	0.191
r_symmetry_hbond_refined	0.146
r_chiral_restr	0.109
r_bond_refined_d	0.019
r_gen_planes_refined	0.007

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2203
Nucleic Acid Atoms
Solvent Atoms	240
Heterogen Atoms

Software

Software
Software Name	Purpose
DENZO	data reduction
SCALEPACK	data scaling
SHARP	phasing
DM	phasing
REFMAC	refinement
PDB_EXTRACT	data extraction
PHENIX	phasing
SHELXD	phasing
SOLOMON	phasing
ARP/wARP	model building