Experiment: 3JWD

Structure of HIV-1 gp120 with gp41-Interactive Region: Layered Architecture and Basis of Conformational Mobility

X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1RZJ	PDB ENTRIES 1RZJ, 1RZ7
experimental model	PDB	1RZ7	PDB ENTRIES 1RZJ, 1RZ7

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		9.5	293	4.5 % PEG 8000, 01M CHES, pH 9.50, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Properties
Matthews coefficient	Solvent content
3.17	61.26

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 83.112	α = 90
b = 172.954	β = 90
c = 193.144	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	MAR scanner 300 mm plate		2006-02-02	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 22-ID		APS	22-ID

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	R Sym 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	2.61	50	69.7	0.107	0.077	20.5	5.6		59657		-3	56.15

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.61	2.7	17.2		0.579	0.475	1.38	2.3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Work (Depositor)	R-Work (DCC)	R-Free (Depositor)	R-Free (DCC)	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	PDB ENTRIES 1RZJ, 1RZ7	2.61	43.86	54419	5512	63.8	0.201	0.1972	0.275	0.2754	114.42

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]
34.67			-1.46		-33.22

RMS Deviations
Key	Refinement Restraint Deviation
f_dihedral_angle_d	8.1
f_angle_d	0.35
f_bond_d
f_chiral_restr
f_plane_restr

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	14969
Nucleic Acid Atoms
Solvent Atoms	450
Heterogen Atoms	278

Software

Software
Software Name	Purpose
AMoRE	phasing
PHENIX	refinement
HKL-2000	data reduction
HKL-2000	data scaling