| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q08E08 | Sodium channel subunit beta-4; | SCN4B; | NP_001070380.1; | 228 | cow |
| Q32PG5 | SCAN domain-containing protein 1; | SCAND1; | NP_001073059.1; | 178 | cow |
| Q3ZBR0 | Sodium channel modifier 1; | SCNM1; | NP_001029426.1; | 230 | cow |
| P55270 | Amiloride-sensitive sodium channel subunit alpha; Alpha-NaCH; Epithelial Na(+) channel subunit alpha; Alpha-ENaC; Nonvoltage-gated sodium channel 1 subunit alpha; SCNEA; | SCNN1A; | NP_777023.1; | 650 | cow |
| A1A4J8 | Protein SCO1 homolog, mitochondrial; | SCO1; SCOD1; | NP_001073712.1; | 305 | cow |
| A6H784 | Protein SCO2 homolog, mitochondrial; | SCO2; | NP_001098963.1; | 266 | cow |
| Q2TBS3 | SCP2 sterol-binding domain-containing protein 1; | SCP2D1; | NP_001035597.1; | 156 | cow |
| Q3T067 | Saccharopine dehydrogenase-like oxidoreductase; EC 1.-.-.-; | SCCPDH; | NP_001029460.1; | 429 | cow |
| O18824 | Scavenger receptor class B member 1; SRB1; SR-BI; | SCARB1; | NP_777022.1; | 509 | cow |
| P83939 | Secernin-1; p50; | SCRN1; | XP_005205555.1;XP_005205556.1; | 414 | cow |
| Q17QS0 | Secernin-3; | SCRN3; | NP_001069015.1; | 422 | cow |
| A5D7C2 | Protein SDA1 homolog; SDA1 domain-containing protein 1; | SDAD1; | NP_001095959.1; | 688 | cow |
| Q08DZ5 | Syndecan-1; SYND1; CD antigen CD138; | SDC1; | NP_001069392.1; | 311 | cow |
| Q58DD4 | Syndecan-2; SYND2; CD antigen CD362; | SDC2; | NP_001029960.2; | 202 | cow |
| Q2KJD6 | Serologically defined colon cancer antigen 3 homolog; | SDCCAG3; | NP_001039605.1; | 359 | cow |
| Q3T083 | Stromal cell-derived factor 2-like protein 1; SDF2-like protein 1; | SDF2L1; | NP_001030400.1; | 221 | cow |
| Q3SZ45 | Stromal cell-derived factor 2; SDF-2; | SDF2; | NP_001029493.1; | 211 | cow |
| P31039 | Succinate dehydrogenase [ubiquinone] flavoprotein subunit, mitochondrial; EC 1.3.5.1; Flavoprotein subunit of complex II; Fp; | SDHA; SDH2 SDHFP1; | NP_776603.1; | 665 | cow |
| Q3T189 | Succinate dehydrogenase [ubiquinone] iron-sulfur subunit, mitochondrial; EC 1.3.5.1; Iron-sulfur subunit of complex II; IP; | SDHB; | NP_001035573.1; | 280 | cow |
| A8PU71 | Succinate dehydrogenase assembly factor 1, mitochondrial; SDH assembly factor 1; SDHAF1; LYR motif-containing protein 8; | SDHAF1; LYRM8; | NP_001103912.1; | 118 | cow |
