Q9SIV2 PSD2A_ARATH 26S proteasome non-ATPase regulatory subunit 2 homolog A [...] RPN1A , At2g20580, F23N11.10Arabidopsis thaliana (Mouse-ear cress) 891 AA O22467 MSI1_ARATH Histone-binding protein MSI1 [...] MSI1 , At5g58230, MCK7.10Arabidopsis thaliana (Mouse-ear cress) 424 AA Q6EWX1 ORC4_ARATH Origin of replication complex subunit 4 [...] ORC4 , At2g01120, F23H14.9Arabidopsis thaliana (Mouse-ear cress) 417 AA Q38899 ORC2_ARATH Origin of replication complex subunit 2 [...] ORC2 , At2g37560, F13M22.6Arabidopsis thaliana (Mouse-ear cress) 363 AA Q6XJG8 PSD2B_ARATH 26S proteasome non-ATPase regulatory subunit 2 homolog B [...] RPN1B , At4g28470, F20O9.150Arabidopsis thaliana (Mouse-ear cress) 891 AA