Venn map and hierarchical clustering of the identified proteins. (A) Venn map of the identified proteins. (B) Gene ontology (GO) analysis of the identified proteins for SqCC and PPA. (1) Biological process. 1, developmental process (GO:0032502); 2, multicellular organismal process (GO:0032501); 3, cellular process (GO:0009987); 4, reproduction (GO:0000003); 5, localization (GO:0051179); 6, reproductive process (GO:0022414); 7, multi-organism process (GO:0051704); 8, biological adhesion (GO:0022610); 9, immune system process (GO:0002376); 10, biological regulation (GO:0065007); 11, growth (GO:0040007); 12, signalling (GO:0023052); 13, metabolic process (GO:0008152); 14, interspecies interaction between organisms (GO:0044419); 15, response to stimulus (GO:0050896); 16, pigmentation (GO:0043473); 17, biological phase (GO:0044848); 18, behavior (GO:0007610); 19, locomotion (GO:0040011). (2) Protein class. 1, extracellular matrix protein (PC00102); 2, cytoskeletal protein (PC00085); 3, transporter (PC00227); 4, scaffold/adaptor protein (PC00226); 5, cell adhesion molecule (PC00069); 6, nucleic acid metabolism protein (PC00171); 7, intercellular signal molecule (PC00207); 8, protein-binding activity modulator (PC00095); 9, viral or transposable element protein (PC00237); 10, calcium-binding protein (PC00060); 11, gene-specific transcriptional regulator (PC00264); 12, defense/immunity protein (PC00090); 13, translational protein (PC00263); 14, metabolite interconversion enzyme (PC00262); 15, protein-modifying enzyme (PC00260); 16, chromatin/chromatin-binding, or -regulatory protein (PC00077); 17, transfer/carrier protein (PC00219); 18, membrane traffic protein (PC00150); 19, chaperone (PC00072); 20, cell junction protein (PC00070); 21, structural protein (PC00211); 22, storage protein (PC00210); 23, transmembrane signal receptor (PC00197).