3MJP

Crystal structure determination of Japanese quail (Coturnix coturnix japonica) hemoglobin at 2.76 Angstrom resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.7	293	32% PEG 3350, 33mM Sodium Potassium phosphate buffer, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.48	50.35

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.09	α = 90
b = 97.434	β = 123.1
c = 61.705	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	IMAGE PLATE	MAR scanner 345 mm plate	mirrors	2009-04-13	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	BRUKER AXS MICROSTAR	1.5418

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.75	30	81.6	0.1435	3.9	2.88	11820	11820	2.3	2.3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
	2.76	2.85	83.8		0.2201	1.8	2.83	1221

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	2.76	29.54	11820	11729	1308	81.64	0.2676	0.2676	0.26541	0.28725	RANDOM	31.312

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]
0.05		0.08	-0.05		0.09

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.815
r_dihedral_angle_3_deg	25.818
r_dihedral_angle_4_deg	17.889
r_dihedral_angle_1_deg	7.779
r_scangle_it	2.856
r_angle_refined_deg	1.862
r_scbond_it	1.856
r_mcangle_it	1.09
r_mcbond_it	0.605
r_chiral_restr	0.108

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	39.815
r_dihedral_angle_3_deg	25.818
r_dihedral_angle_4_deg	17.889
r_dihedral_angle_1_deg	7.779
r_scangle_it	2.856
r_angle_refined_deg	1.862
r_scbond_it	1.856
r_mcangle_it	1.09
r_mcbond_it	0.605
r_chiral_restr	0.108
r_bond_refined_d	0.018
r_gen_planes_refined	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4450
Nucleic Acid Atoms
Solvent Atoms	33
Heterogen Atoms	178

Software

Software
Software Name	Purpose
MAR345dtb	data collection
PHASER	phasing
REFMAC	refinement
AUTOMAR	data reduction
SCALEPACK	data scaling

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.