Crystal structure of the 20s proteasome from yeast in complex with the proteasome activator PA26 from Trypanosome brucei at 3.2 angstroms resolution

Entry ID entry_id	1z7q
Deposition date deposition_date	2005-03-26
Structure title title	Crystal structure of the 20s proteasome from yeast in complex with the proteasome activator PA26 from Trypanosome brucei at 3.2 angstroms resolution
Keywords keywords	20S, proteasome, PA26, activator, multi-catalytic protease, HYDROLASE-HYDROLASE ACTIVATOR COMPLEX; HYDROLASE/HYDROLASE ACTIVATOR
Experimental Method method	X-RAY DIFFRACTION

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

Unit cell Unit Cell

Unit-cell length a length_a	192.964 Å
Unit-cell length b length_b	232.127 Å
Unit-cell length c length_c	296.772 Å
Unit-cell angle α angle_alpha	90.00 °
Unit-cell angle β angle_beta	90.00 °
Unit-cell angle γ angle_gamma	90.00 °
Molecules per unit cell Z z_pdb	56

Symmetry Symmetry

Space group space_group	P 21 21 21
Space-group number int_tables_number	19
Crystal system crystal_system	—

Refinement Refinement

Resolution resolution	3.220 Å
Low-resolution limit resolution_low	39.800 Å
R factor r_factor	0.2630
R_work r_work	0.2630
R_free r_free	0.3080

Diffraction experiment Diffraction

Experimental temperature temperature

100.0 K

SCOP 2.08 (26 domains)

CATH v4.4 (42 domains)