| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q32L76 | Serum amyloid A-4 protein; | SAA4; | NP_001035595.1;XP_005226800.1; | 129 | cow |
| P35541 | Serum amyloid A protein; SAA; [Cleaved into: Amyloid protein A (Amyloid fibril protein AA)]; | SAA1; SAA; | NP_001068728.1; | 130 | cow |
| A6QL88 | Phosphatidylinositide phosphatase SAC1; EC 3.1.3.-; Suppressor of actin mutations 1-like protein; | SACM1L; | NP_001095601.1; | 587 | cow |
| Q2YDG7 | Sperm acrosome membrane-associated protein 1; | SPACA1; | NP_001040010.1; | 279 | cow |
| A6QQ77 | Sperm acrosome membrane-associated protein 3; | SPACA3; | NP_001098477.1; | 163 | cow |
| Q32PB3 | Sperm acrosome membrane-associated protein 4; | SPACA4; | NP_001070491.1; | 126 | cow |
| A2VE14 | SUMO-activating enzyme subunit 1; Ubiquitin-like 1-activating enzyme E1A; [Cleaved into: SUMO-activating enzyme subunit 1, N-terminally processed]; | SAE1; | NP_001075180.1; | 346 | cow |
| Q3MHL4 | Adenosylhomocysteinase; AdoHcyase; EC 3.3.1.1; S-adenosyl-L-homocysteine hydrolase; | AHCY; | NP_001029487.1; | 432 | cow |
| Q2HJ55 | Sorting and assembly machinery component 50 homolog; | SAMM50; | NP_001040088.1; | 469 | cow |
| A6QR09 | S-adenosylmethionine mitochondrial carrier protein; Mitochondrial S-adenosylmethionine transporter; Solute carrier family 25 member 26; | SLC25A26; SAMC; | NP_001096767.1; | 274 | cow |
| Q09YL6 | Sterile alpha motif domain-containing protein 5; SAM domain-containing protein 5; | SAMD5; | NP_001162077.1; | 175 | cow |
| Q0VCA5 | Deoxynucleoside triphosphate triphosphohydrolase SAMHD1; dNTPase; EC 3.1.5.-; | SAMHD1; | NP_001069329.1; | 589 | cow |
| Q3T004 | Serum amyloid P-component; SAP; | APCS; | NP_001029638.1; | 224 | cow |
| Q3T022 | Histone deacetylase complex subunit SAP18; 18 kDa Sin3-associated polypeptide; Sin3-associated polypeptide p18; | SAP18; | NP_001030544.2; | 153 | cow |
| P26779 | Prosaposin; Proactivator polypeptide; [Cleaved into: Saposin-A (Protein A); Saposin-B (Cerebroside sulfate activator) (CSAct) (Dispersin) (Sphingolipid activator protein 1) (SAP-1) (Sulfatide/GM1 activator); Saposin-C (A1 activator) (Co-beta-glucosidase) 癷?癸 | PSAP; | NP_776586.1; | 525 | cow |
| Q3T0D7 | GTP-binding protein SAR1a; | SAR1A; | NP_001029693.1;XP_005226441.1;XP_005226442.1; | 198 | cow |
| Q3T0T7 | GTP-binding protein SAR1b; | SAR1B; | NP_001030392.1; | 198 | cow |
| Q08E24 | Store-operated calcium entry-associated regulatory factor; SARAF; SOCE-associated regulatory factor; Transmembrane protein 66; | SARAF; TMEM66; | NP_001070324.1; | 335 | cow |
| A5D7K1 | Specifically androgen-regulated gene protein; | SARG; | NP_001091934.1; | 597 | cow |
| A0JN71 | SAM and SH3 domain-containing protein 3; | SASH3; | NP_001071466.1;XP_005227549.1; | 380 | cow |
