Table 2. The human C1ORF123 and its interacting protein partners identified by immunoprecipitation using rabbit anti-C1ORF123.

No.	Protein name	UniProt ID	Molecular size(kDa)	Peptide	Peptide coverage(%)
1.	UPF0587 protein C1orf123	Q9NWV4	18.0	4 [R].ENSIEILSSTIKPYNAEDNENFK.[T] [K].AQESVGIYEVTHQFVK.[C] [R].GLEPVDFQPQAGFAAEGVESGTAFSDINLQEK.[D] [K].TIVEFECR.[G]	49.3
2.	ATP synthase subunit alpha, mitochondria	P25705	59.7	5 [R].TGAIVDVPVGEELLGR.[V] [R].EVAAFAQFGSDLDAATQQLLSR.[G] [K].AVDSLVPIGR.[G] [K].TGTAEMSSILEER.[I] [K].TSIAIDTIINQK.[R]	13.2
3.	Dihydrolipoyllysine-residue succinyltransferase component of 2-oxoglutarate dehydrogenase complex, mitochondrial	P36957	48.7	5 [K].LGFMSAFVK.[A] [R].EAVTFLR.[K] [R].DYIDISVAVATPR.[G] [K].VEGGTPLFTLR.[K] [R].GLVVPVIR.[N]	10.5
4.	40S ribosomal protein S13 (Small ribosomal subunit protein uS15)	P62277	17.2	4 [K].GLTPSQIGVILR.[D] [K].SKGLAPDLPEDLYHLIK.[K] [K].GLAPDLPEDLYHLIK.[K] [K].KGLTPSQIGVILR.[D]	19.8
5.	40S ribosomal protein S15 (RIG protein) (Small ribosomal subunit protein uS19)	P62841	17.0	3 [R].GVDLDQLLDMSYEQLMQLYSAR.[Q] [R].KFTYRGVDLDQLLDMSYEQLMQLYSAR.[Q] [R].DMIILPEMVGSMVGVYNGK.[T]	31.7