Experiment: 1GZX

Oxy T State Haemoglobin - Oxygen bound at all four haems

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1HGA	PDN ENTRY 1HGA

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7.2		BATCH CRYSTALLISATION, OXYHB (75-90 MG/ML) IN 50MM POTASSIUM PHOSPHATE (PH 7.2), 22-28% PEG 8000 AND A 5 MOLAR EXCESS OF THE ALLOSTERIC EFFECTOR IHP

Crystal Properties
Matthews coefficient	Solvent content
2.48	57.4

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 97.05	α = 90
b = 99.5	β = 90
c = 66.11	γ = 90

Symmetry
Space Group	P 21 21 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	277.15	IMAGE PLATE	RIGAKU IMAGE PLATE			M	SINGLE WAVELENGTH

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

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	2.1	50	95	0.09	6.1	4.5		35441

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	2.1	2.25	85		0.309	2.3	4.1

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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	PDN ENTRY 1HGA	2.1	10	24327	1216	95	0.195	0.199	0.1814	0.221	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	4384
Nucleic Acid Atoms
Solvent Atoms	205
Heterogen Atoms	180

Software

Software
Software Name	Purpose
PROLSQ	refinement
MOSFLM	data reduction
ROTAVATA	data scaling
PROLSQ	phasing