N-terminal domain of the proteasome-activating nucleotidase of Methanocaldococcus jannaschii

Structural Insights into the Regulatory Particle of the Proteasome from Methanocaldococcus jannaschii.

(MSE)KENEILRRELDR(MSE)RVPPLIVGTVVDKVGERKVVVKSSTGPSFLVNVSHFVNPDDLAPGKRVCLNQQTLTVV
DVLPELEHHHHHH

MKENEILRRELDRMRVPPLIVGTVVDKVGERKVVVKSSTGPSFLVNVSHFVNPDDLAPGKRVCLNQQTLTVVDVLPELEH
HHHHH

0.1 M NaOAc, pH
4.5, 0.2 M Li2SO4and 34%-36% MPD (v/v), VAPOR DIFFUSION, HANGING DROP, temperature 295K

Author states that dodecamer is not biologically relevant and is the result of crystal packing.

Proteasome, regulatory particle, nucleosidase, ATP-binding, Cytoplasm, Nucleotide-binding, HYDROLASE