1RV7 | pdb_00001rv7

Crystal structures of a Multidrug-Resistant HIV-1 Protease Reveal an Expanded Active Site Cavity

X-RAY DIFFRACTION

---

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.7	295	MES, sodium chloride, pH 6.7, VAPOR DIFFUSION, HANGING DROP, temperature 295K

Crystal Properties
Matthews coefficient	Solvent content
2.44	49.61

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 44.975	α = 90
b = 44.975	β = 90
c = 103.676	γ = 90

Symmetry
Space Group	P 41

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	Osmic Mirrors	2003-05-03	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	ROTATING ANODE	RIGAKU	1.5148

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	2.7	20	99.6			5316	5316

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Cut-off Sigma (F)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work (Depositor)	R-Free (Depositor)	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	2.7	20	2	5316	5288	253	97.35	0.271	0.271	0.271	0.35	RANDOM	38.813

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]
0.97			0.97		-1.94

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_1_deg	10.543
r_scangle_it	7.959
r_scbond_it	5.883
r_angle_refined_deg	4.885
r_mcangle_it	4.157
r_mcbond_it	2.649
r_angle_other_deg	1.989
r_symmetry_hbond_refined	0.542
r_symmetry_vdw_other	0.392
r_symmetry_vdw_refined	0.351
r_nbd_refined	0.328
r_chiral_restr	0.327
r_nbd_other	0.319
r_xyhbond_nbd_refined	0.297
r_nbtor_other	0.153
r_bond_refined_d	0.087
r_gen_planes_refined	0.025
r_gen_planes_other	0.016
r_bond_other_d	0.003
r_dihedral_angle_2_deg
r_dihedral_angle_3_deg
r_dihedral_angle_4_deg
r_nbtor_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1510
Nucleic Acid Atoms
Solvent Atoms	36
Heterogen Atoms	46

Software

Software
Software Name	Purpose
REFMAC	refinement
CrystalClear	data reduction
d*TREK	data scaling