3DHR

Crystal Structure Determination of Methemoglobin from Pigeon at 2 Angstrom Resolution (Columba livia)

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.5	293	30% PEG 3350, pH 5.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.61	52.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.659	α = 78.78
b = 65.322	β = 89.9
c = 103.733	γ = 65.3

Symmetry
Space Group	P 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	293	IMAGE PLATE	MARRESEARCH		2008-05-01	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH3R	1.54179

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	30		6.83	1.75		79185

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2	2.07				1.71

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 1FAW	2	19.99	71134	7956	91.95	0.24663	0.24334	0.27597	RANDOM	30.187

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
r_dihedral_angle_2_deg	35.794
r_dihedral_angle_4_deg	15.56
r_dihedral_angle_3_deg	13.413
r_dihedral_angle_1_deg	5.877
r_angle_refined_deg	0.933
r_scangle_it	0.83
r_mcangle_it	0.591
r_scbond_it	0.52
r_mcbond_it	0.396
r_nbtor_refined	0.289
r_symmetry_vdw_refined	0.215
r_nbd_refined	0.179
r_xyhbond_nbd_refined	0.105
r_symmetry_hbond_refined	0.104
r_chiral_restr	0.065
r_metal_ion_refined	0.04
r_bond_refined_d	0.006
r_gen_planes_refined	0.002
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_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8828
Nucleic Acid Atoms
Solvent Atoms	215
Heterogen Atoms	344

Software

Software
Software Name	Purpose
REFMAC	refinement
MAR345	data collection
AUTOMAR	data reduction
SCALEPACK	data scaling
PHASER	phasing