2ITG | pdb_00002itg

CATALYTIC DOMAIN OF HIV-1 INTEGRASE: ORDERED ACTIVE SITE IN THE F185H CONSTRUCT

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ITG	PDB ENTRY 1ITG

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		6.5		3-9% PEG 8000, 0.4M AMMONIUM SULFATE, 0.1M SODIUM CACODYLATE PH 6.5

Crystal Properties
Matthews coefficient	Solvent content
2.58	47

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.4	α = 90
b = 72.4	β = 90
c = 65.56	γ = 120

Symmetry
Space Group	P 31 2 1

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	298	IMAGE PLATE	RIGAKU	DOUBLE FOCUSSING MIRRORS	1996-04-05	M

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU RUH2R

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	2.6	10	79.8	0.085	8.63	2.93		5012

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	2.6	2.64	54.4		0.281	1.88	1.38

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-Work (Depositor)	R-Free (Depositor)	Mean Isotropic B
X-RAY DIFFRACTION	MR	PDB ENTRY 1ITG	2.6	10	2	14682	4400		79.8	0.2		34.16

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]

RMS Deviations
Key	Refinement Restraint Deviation
p_transverse_tor	28.4
p_staggered_tor	20.4
p_planar_tor	2.2
p_mcangle_it	2.003
p_scangle_it	1.951
p_scbond_it	1.123
p_mcbond_it	1.097
p_multtor_nbd	0.356
p_xyhbond_nbd	0.301
p_singtor_nbd	0.263
p_chiral_restr	0.135
p_planar_d	0.039
p_angle_d	0.032
p_plane_restr	0.013
p_bond_d	0.011
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1233
Nucleic Acid Atoms
Solvent Atoms	58
Heterogen Atoms

Software

Software
Software Name	Purpose
PROLSQ	refinement
DENZO	data reduction
SCALEPACK	data scaling