Experiment: 9AYZ

T-state HbG Makassar hemoglobin

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	2DN1

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	4.5	298	0.055 M Citric acid, 0.045 M Bis-Tris propane, pH 4.5, 22% PEG 3,350 under low oxygen conditions on an MBraun anaerobic glove box

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.85

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 62.625	α = 90
b = 109.187	β = 90.11
c = 82.096	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	PIXEL	DECTRIS EIGER X 9M	white beam slits, a double crystal Si(111) monochromator with horizontal axis, tandem flat beam deflecting mirrors (Pd coating), and Kirkpatrick-Baez focusing mirrors, which are Pd coated and able to bend adaptively using 16 piezo actuators. Each optical element is preceded by slits and its transmitted beam is monitored by beam position monitors or retractable screens	2022-06-14	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	NSLS-II BEAMLINE 17-ID-1	0.9201	NSLS-II	17-ID-1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	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	2.24	41.07	98.5	0.14	0.982	3.9	3.9		52302			53.02

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Rpim I (All)	CC (Half)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.24	2.3	97.7		1.152	0.142	1.1	4

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	FREE R-VALUE	2.24	41.05	79.1	52234	2611	98.29	0.2317	0.2297	0.2274	0.2589	0.2547

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
f_dihedral_angle_d	11.302
f_angle_d	0.495
f_chiral_restr	0.035
f_plane_restr	0.005
f_bond_d	0.002

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	8426
Nucleic Acid Atoms
Solvent Atoms	133
Heterogen Atoms	258

Software

Software
Software Name	Purpose
PHENIX	refinement
Aimless	data scaling
XDS	data reduction
PHASER	phasing