4ROW

The crystal structure of novel APOBEC3G CD2 head-to-tail dimer suggests the binding mode of full-length APOBEC3G to HIV-1 ssDNA

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION	5.6	291	0.1M sodium citrate tribasic dehydrate pH 5.6, 20% v/v 2-propanol, 20% w/v polyethylene glycol 4000, VAPOR DIFFUSION, temperature 291.0K

Crystal Properties
Matthews coefficient	Solvent content
2.19	43.96

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 35.308	α = 90
b = 70.007	β = 90
c = 82.347	γ = 90

Symmetry
Space Group	P 2 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	200	CCD	ADSC QUANTUM 315r		2014-01-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRF BEAMLINE BL17U	0.9792	SSRF	BL17U

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	1.7	50	98.8	0.055	29.2	6		22865	2	2

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	1.7	1.76	97.2		0.256	5.8	4.7

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	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)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	1.7	35.31	20479	21647	1168	98.68	0.1494	0.14727	0.14	0.18769	0.18	RANDOM	21.359

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]
2.9			1.73		-4.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.121
r_sphericity_free	19.665
r_dihedral_angle_4_deg	14.857
r_dihedral_angle_3_deg	14.535
r_sphericity_bonded	12.911
r_dihedral_angle_1_deg	5.504
r_rigid_bond_restr	2.777
r_angle_refined_deg	1.209
r_chiral_restr	0.093
r_bond_refined_d	0.009

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1573
Nucleic Acid Atoms
Solvent Atoms	190
Heterogen Atoms	1

Software

Software
Software Name	Purpose
ADSC	data collection
PHENIX	model building
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHENIX	phasing

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 R01GM157729.