4HRR

Scapharca tetrameric hemoglobin, CO-state

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	SMALL TUBES	5.8	298	1.9-2.2M Na/K Phosphate, pH 5.8, SMALL TUBES, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.22	44.53

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 92.537	α = 90
b = 99.884	β = 90
c = 125.242	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	ADSC QUANTUM 315		2009-10-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 14-BM-C	0.979	APS	14-BM-C

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	1.24	50	98.9	0.059	0.059	29.5	6.2	321447	321447

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	1SCT	1.25	11.79	271903	14225	89.81	0.13921	0.13738	0.17421	RANDOM	16.296

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]
0.06			-0.03		-0.04

RMS Deviations
Key	Refinement Restraint Deviation
r_sphericity_free	37.14
r_dihedral_angle_2_deg	33.162
r_dihedral_angle_4_deg	18.248
r_dihedral_angle_3_deg	12.017
r_sphericity_bonded	11.493
r_dihedral_angle_1_deg	4.378
r_rigid_bond_restr	2.893
r_angle_refined_deg	1.416
r_angle_other_deg	0.805
r_chiral_restr	0.073
r_bond_refined_d	0.009
r_gen_planes_refined	0.007
r_gen_planes_other	0.005
r_bond_other_d	0.001
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_it
r_mcbond_other
r_mcangle_it
r_scbond_it
r_scangle_it

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	9138
Nucleic Acid Atoms
Solvent Atoms	1984
Heterogen Atoms	360

Software

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