>tr|O12992|O12992_LETCA Proteasome subunit beta OS=Lethenteron camtschaticum OX=980415 PE=2 SV=1
MRTHAQGATRAAFGSLSSAAPDWTSAEVLTGTTIMAVEFADGVVFGADSRTTSGSYVANR
VTDKLTPVHDRIFCCRSGSAADTQAIADVVNYQLGFHSIEMEEMPLVHTAANLFKDYCYR
YREELMAGIIVAGWDKRKGGQVYTVPLGGMLVRQPFSVGGSGSTYIYGFVDSNYKTGMTK
EECMEFTAKALSLAMSRDGSSGGVIRMAAITAGGVERRVLTGKDIPTFYEE