4HBI

SCAPHARCA DIMERIC HEMOGLOBIN, MUTANT T72I, DEOXY FORM

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		8.5		PROTEIN WAS CRYSTALLIZED FROM 2.1M NA/K PHOSPHATE AT PH 8.5

Crystal Properties
Matthews coefficient	Solvent content
2.29	45

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 91.76	α = 90
b = 44.32	β = 90
c = 143.79	γ = 90

Symmetry
Space Group	C 2 2 21

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	RIGAKU		1996-08-19	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	1.6	20	91.8	0.056		4.3		35777		1

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	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	ISOMORPHOUS MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4SDH	1.6	10	1	32161	3615	92	0.192	0.192	0.233	RANDOM

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]

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2234
Nucleic Acid Atoms
Solvent Atoms	245
Heterogen Atoms	86

Software

Software
Software Name	Purpose
X-PLOR	model building
X-PLOR	refinement
RIGAKU	data reduction
RIGAKU	data scaling
X-PLOR	phasing