Experiment: 3U7Y

Structure of NIH45-46 Fab in complex with gp120 of 93TH057 HIV

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	3U7W	PDB ENTRY 3U7W AND 3NGB
experimental model	PDB	3NGB	PDB ENTRY 3U7W AND 3NGB

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, SITTING DROP	5	293	12% isopropanol, 10% polyethylene glycol 10,000, 0.1 M sodium citrate pH 5.0, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3	59.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 69.13	α = 90
b = 70.5	β = 90
c = 217.74	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	PIXEL	DECTRIS PILATUS 6M		2011-05-18	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SSRL BEAMLINE BL12-2	0.9537	SSRL	BL12-2

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	2.4478	37.05	98.6			39608	39062

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.4478	2.51	98.7

Refinement

Statistics
Diffraction ID	Structure Solution 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 (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRY 3U7W AND 3NGB	2.4478	37.05	1.34	39608	38987	2112	97.1	0.2095	0.2068	0.2036	0.2556	0.2548	5.5%

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]
12.9262			5.4197		-18.346

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	16.292
f_angle_d	0.754
f_chiral_restr	0.051
f_bond_d	0.004
f_plane_restr	0.003

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5978
Nucleic Acid Atoms
Solvent Atoms	67
Heterogen Atoms	148

Software

Software
Software Name	Purpose
Web-Ice	data collection
PHASER	phasing
PHENIX	refinement
XDS	data reduction
XDS	data scaling