2WTH

Low resolution 3D structure of C.elegans globin-like protein (GLB-1): P3121 crystal form

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1				3.0 M AMMONIUM SULPHATE, 10% GLYCEROL

Crystal Properties
Matthews coefficient	Solvent content
3.6	65.3

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.681	α = 90
b = 77.681	β = 90
c = 145.64	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	100	CCD	ADSC CCD		2007-01-22	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-3		ESRF	ID14-3

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	2.8	34.3	98.4	0.06	23.3	9		12777		2

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	THROUGHOUT	PDB ENTRY 2WTG	2.8	34.28	12139	627	97.83	0.27139	0.269	0.31948	RANDOM	57.848

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]
0.69	0.35		0.69		-1.04

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.808
r_dihedral_angle_3_deg	17.442
r_dihedral_angle_4_deg	9.2
r_dihedral_angle_1_deg	4.649
r_scangle_it	1.593
r_mcangle_it	1.339
r_scbond_it	1.152
r_angle_refined_deg	0.996
r_mcbond_it	0.736
r_nbtor_refined	0.296
r_nbd_refined	0.194
r_symmetry_vdw_refined	0.162
r_xyhbond_nbd_refined	0.136
r_symmetry_hbond_refined	0.123
r_chiral_restr	0.064
r_bond_refined_d	0.011
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2588
Nucleic Acid Atoms
Solvent Atoms	46
Heterogen Atoms	141

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing