| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q3ZBC2 | Succinate dehydrogenase assembly factor 2, mitochondrial; SDH assembly factor 2; SDHAF2; | SDHAF2; PGL2 SDH5; | NP_001070513.1; | 166 | cow |
| Q0P574 | Succinate dehydrogenase assembly factor 3, mitochondrial; SDH assembly factor 3; SDHAF3; | ACN9; | NP_001073821.1; | 125 | cow |
| Q0VCW4 | L-serine dehydratase/L-threonine deaminase; SDH; EC 4.3.1.17; L-serine deaminase; L-threonine dehydratase; TDH; EC 4.3.1.19; | SDS; SDH; | NP_001069130.1; | 327 | cow |
| A6H6W9 | Sin3 histone deacetylase corepressor complex component SDS3; Suppressor of defective silencing 3 protein homolog; | SUDS3; SDS3; | NP_001092361.1; | 328 | cow |
| Q29RN8 | Seizure 6-like protein 2; | SEZ6L2; | NP_001039392.1; | 910 | cow |
| Q3ZCC9 | Protein SEC13 homolog; SEC13-like protein 1; | SEC13; SEC13L1; | NP_001069033.1; | 322 | cow |
| P63296 | Secretin; | SCT; | NULL | 27 | cow |
| A5PJN0 | Secretagogin; | SCGN; | NP_001092643.1; | 276 | cow |
| A7YY75 | Nucleoporin SEH1; Nup107-160 subcomplex subunit SEH1; | SEH1L; | NP_001096559.1; | 360 | cow |
| Q32PE3 | Selenoprotein K; SelK; | SELK; | NP_001032566.2; | 95 | cow |
| Q2KI76 | Selenoprotein S; SelS; VCP-interacting membrane protein; | VIMP; SELS; | NP_001039579.2;XP_005221779.1; | 190 | cow |
| A6QP01 | Selenoprotein T; SelT; | SELT; | NP_001096573.2; | 195 | cow |
| A7MB70 | Semaphorin-3C; | SEMA3C; | NP_001094552.1;XP_005205386.1; | 751 | cow |
| Q5EA85 | Semaphorin-4A; | SEMA4A; | NP_001068908.1; | 762 | cow |
| A7MBJ2 | Sentrin-specific protease 7; EC 3.4.22.68; SUMO-1-specific protease 2; Sentrin/SUMO-specific protease SENP7; | SENP7; SUSP2; | NP_001095358.1;XP_005201279.1;XP_005201280.1; | 1047 | cow |
| Q2KJB1 | Septin-10; | SEPT10; | NP_001039641.1; | 453 | cow |
| A2VE99 | Septin-11; | SEPT11; | NP_001075916.1; | 425 | cow |
| A5D7Q3 | Septin-12; | SEPT12; | NP_001091612.1; | 361 | cow |
| A6QQL3 | Septin-14; | SEPT14; | NP_001095557.1; | 432 | cow |
| A8YXY3 | 15 kDa selenoprotein; | SEP15; | NP_001029931.2; | 162 | cow |
