Table 2. Proteins identified in MS/MS.

Peak No.	m/z	Peptide Sequencea	Uniprot No.	Protein description	Gene name	Mwb	pIc	Alteration In OSCCd
1	817.50	ALNPMKQ	O43708	Maleylacetoacetate isomerase	MAAI	24,212	8.8	↓
2	821.57	SNSAVPPA	Q9UQC9	Calcium-activated chloride channel regulator 2	CLCA2	103,941	6.56	↓
3	831.99	SSNFCH	Q6Y2×3	DnaJ homolog subfamily C member 14	DJC14	78,569	8.37	↓
4	846.57	GPGKSGESAG	Q9HCH0	Nck-associated protein 5-like	NCK5L	139,013	8.45	↓
5	885.68	NPAIDDGKG	A4GZ97	Capsid protein	CAPSD	80,268	9.79	↓
6	942.33	LYNDISH	Q8NI08	Nuclear receptor coactivator 7	NCOA7	106,162	5.42	↑
7	1167.02	LGTKMIESL	Q9Y230	RuvB-like 2	RUVB2	51,157	5.49	↑
8	1530.37	PYMNPSPFTVSPN	P51797	Chloride transport protein 6	CLCN6	97,289	6.39	↓
9	1557.24	KTSSSSPLSSP	Q8IWB9	Testis-expressed sequence 2 protein	TEX2	125,303	5.71	↓

^aThe peptide sequence was calculated by searching the raw MS/MS data with MASCOT online service.

^bTheoretical Mw was calculated by the EXPASY Compute pI/Mw tool.

^cTheoretical pI was calculated by the EXPASY Compute pI/Mw tool.

^d↑, up-regulated in OSCC; ↓, down-regulated in OSCC.