3DRQ

Crystal structure of the HIV-1 broadly neutralizing antibody 2F5 in complex with the gp41 FP-MPER Hyb3K construct 514GIGALFLGFLGAAGS528KK-Ahx-655KNEQELLELDKWASLWN671 soaked in PEG/2-propanol solution

X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	5.6	293	Crystals grown in 0.1 M Nacitrate pH 5.6, 1.6 M ammonium sulfate, 0.01% Tween-20 and soaked for 36h in 0.1 M Nacitrate pH 5.6, 16% PEG 4K, 16% 2-propanol, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
2.2	43.98

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.5	α = 90
b = 76.6	β = 90
c = 94.2	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	100	IMAGE PLATE	RIGAKU RAXIS IV++		2007-08-25	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RU200	1.54

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	20	97.9	0.098		3.5	31694	31016			16.2

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	1.99	2.11	96.1		0.454		1.7

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 (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	3D0L	2	19.9	31694	31016	1550	97.7	0.227	0.227	0.254	RANDOM	26.5

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]
1.78			0.31		-2.1

RMS Deviations
Key	Refinement Restraint Deviation
c_dihedral_angle_d	29
c_scangle_it	2.78
c_mcangle_it	2.03
c_scbond_it	1.99
c_angle_deg	1.7
c_mcbond_it	1.26
c_improper_angle_d	1.02
c_bond_d	0.008

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	3327
Nucleic Acid Atoms
Solvent Atoms	234
Heterogen Atoms	6

Software

Software
Software Name	Purpose
CNS	refinement
CrystalClear	data collection
CrystalClear	data reduction
CrystalClear	data scaling
CNS	phasing

RCSB PDB Core Operations are funded by the National Science Foundation (DBI-1832184), 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.