2B7H

Hemoglobin from Cerdocyon thous, a canidae from Brazil, at 2.2 Angstroms resolution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	7.8	293	16 % polyethyleneglycol (PEG), 0.1 M Hepes Na, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.3	46.5

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 52.731	α = 90
b = 84.237	β = 90
c = 130.285	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	MARRESEARCH		2004-03-19	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	LNLS BEAMLINE D03B-MX1	1.4270	LNLS	D03B-MX1

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	2.2	40	99.9	0.072	29.1	8	30219	30219			26.907

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	2.2	2.28	100		0.306	7	7.8	2948

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB entry 1FHJ	2.2	30	30163	28633	1530	99.91	0.1685	0.1685	0.165	0.23266	RANDOM	27.571

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]
-1			-0.15		1.15

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.13
r_dihedral_angle_3_deg	14.431
r_dihedral_angle_4_deg	12.223
r_dihedral_angle_1_deg	5.525
r_scangle_it	2.996
r_scbond_it	2.048
r_angle_refined_deg	1.399
r_mcangle_it	1.196
r_mcbond_it	0.707
r_nbtor_refined	0.312

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.13
r_dihedral_angle_3_deg	14.431
r_dihedral_angle_4_deg	12.223
r_dihedral_angle_1_deg	5.525
r_scangle_it	2.996
r_scbond_it	2.048
r_angle_refined_deg	1.399
r_mcangle_it	1.196
r_mcbond_it	0.707
r_nbtor_refined	0.312
r_nbd_refined	0.216
r_xyhbond_nbd_refined	0.161
r_symmetry_hbond_refined	0.156
r_symmetry_vdw_refined	0.151
r_chiral_restr	0.092
r_metal_ion_refined	0.025
r_bond_refined_d	0.015
r_gen_planes_refined	0.006

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4395
Nucleic Acid Atoms
Solvent Atoms	443
Heterogen Atoms	182

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
MOLREP	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.