Experiment: 1R1Y

Crystal structure of deoxy-human hemoglobin Bassett at 1.8 angstrom

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1G9V	PDB entry 1G9V

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	LIQUID DIFFUSION	6.5	298	Ammonium phosphate/sulfate, iron citrate, sodium dithionite, deoxyhemoglobin, pH 6.5, LIQUID DIFFUSION, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
2.18	43.69

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.471	α = 90
b = 82.246	β = 100.21
c = 53.561	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	RIGAKU RAXIS II	MSC Osmic Mirrors	2002-09-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.5418

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	1.85	82.25	93.9	0.073	33.7	2.9		47432			32.3

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	1.85	77.5		0.366	1.57	2	3072

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	FOURIER SYNTHESIS	THROUGHOUT	PDB entry 1G9V	1.8	49.24	47413	47413	2401	100	0.191	0.183	0.183	0.1747	0.236	0.2298	RANDOM	33.6

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]
1.43		-3.92	1.31		-2.74

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	19.1
c_angle_deg	1.7
c_improper_angle_d	1.41
c_bond_d	0.013

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4378
Nucleic Acid Atoms
Solvent Atoms	596
Heterogen Atoms	182

Software

Software
Software Name	Purpose
CNS	refinement
bioteX	data reduction
bioteX	data scaling
CNS	phasing