Table 1. Newly identified and re-annotated Arabidopsis cytosolic ribosomal protein genes.

Family	AGIs	Arabidopsis protein name	Unique peptides
eL20	At1g29965	RPL18aD	9
eL24	At2g36620	RPL24A	7
	At2g44860	RPL24C	3
eL36	At2g37600	RPL36A	5
eL37	At1g15250	RPL37A	2
bL12	At3g44590	RPP2D	3
	At5g40040	RPP2E	9
uS19	At5g43640	RPS15E	2
eS21	At5g27700	RPS21C	2
eS31	At1g23410	RPS27aA	5
	At2g47110	RPS27aB	5

The proteins shown were not reported in the lists of Arabidopsis ribosome proteomes previously published [7,8,13,14]. Arabidopsis gene index number (AGI), the number of peptide sequences identified in this study (unique peptides) that match to only the AGI noted are shown.