1A3O

ARTIFICIAL MUTANT (ALPHA Y42H) OF DEOXY HEMOGLOBIN

X-RAY DIFFRACTION

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Crystallization

Crystal Properties
Matthews coefficient	Solvent content
2.15	42.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.44	α = 90
b = 81.16	β = 99.65
c = 53.32	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	120	IMAGE PLATE	RIGAKU RAXIS II	MIRROR	1997-05-26	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1

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	1.8	15	96.02	0.074	18	3.2		49373

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)
	1.8	1.87	74.2		0.332	2.9	1.36

Refinement

Statistics
Diffraction ID	Structure Solution Method	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work	R-Free	Mean Isotropic B
X-RAY DIFFRACTION		1.8	15	45030	2378	96.02	0.17994	0.22653	21.1

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
p_transverse_tor	32.9
p_staggered_tor	15.9
p_scangle_it	4.046
p_planar_tor	3
p_scbond_it	2.866
p_mcangle_it	2.687
p_mcbond_it	2.163
p_multtor_nbd	0.275
p_singtor_nbd	0.168
p_xyhbond_nbd	0.106
p_chiral_restr	0.097
p_planar_d	0.036
p_angle_d	0.031
p_bond_d	0.013
p_angle_deg
p_hb_or_metal_coord
p_plane_restr
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4372
Nucleic Acid Atoms
Solvent Atoms	412
Heterogen Atoms	172

Software

Software
Software Name	Purpose
REFMAC	refinement
DENZO	data reduction
SCALEPACK	data scaling