3PI8

Site-specific Glycosylation of Hemoglobin Utilizing Oxime Ligation Chemistry as a Viable Alternative to PEGylation

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1G0A	PDB entry 1G0A

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Microbatch under Oil	9.5	293	PEG 2250 MME, pH 9.5, Microbatch under Oil, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.34	47.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 61.977	α = 90
b = 72.995	β = 90
c = 128.483	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	113	IMAGE PLATE	RIGAKU	OSMIC MIRRORS	2010-07-27	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (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	2.2	64.24	98.9			30022	29989	2	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	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	MOLECULAR REPLACEMENT	THROUGHOUT	PDB entry 1G0A	2.2	38.06	2	30022	28275	1506	98.21	0.22907	0.22637	0.28057	RANDOM	25.605

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]
0.98			-0.33		-0.64

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.52
r_dihedral_angle_3_deg	16.811
r_dihedral_angle_4_deg	12.104
r_dihedral_angle_1_deg	4.563
r_scangle_it	1.779
r_scbond_it	1.043
r_angle_refined_deg	0.992
r_mcangle_it	0.78
r_mcbond_it	0.407
r_chiral_restr	0.068

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	34.52
r_dihedral_angle_3_deg	16.811
r_dihedral_angle_4_deg	12.104
r_dihedral_angle_1_deg	4.563
r_scangle_it	1.779
r_scbond_it	1.043
r_angle_refined_deg	0.992
r_mcangle_it	0.78
r_mcbond_it	0.407
r_chiral_restr	0.068
r_bond_refined_d	0.008
r_gen_planes_refined	0.004

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	4384
Nucleic Acid Atoms
Solvent Atoms	218
Heterogen Atoms	180

Software

Software
Software Name	Purpose
CrystalClear	data collection
AMoRE	phasing
REFMAC	refinement
CrystalClear	data reduction
CrystalClear	data scaling

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM133198.