| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P34619 | Sop-2-related protein 1; | sor-1; | NP_001040893.1;NP_001040894.1; | 1000 | c.elegen |
| Q11193 | Sop-2-related protein 3; | sor-3; | NP_508090.2; | 531 | c.elegen |
| Q18006 | Putative sarcosine oxidase; EC 1.5.3.1; | NULL | NP_509092.2; | 384 | c.elegen |
| Q8MNV0 | Probable spastin homolog spas-1; EC 3.6.4.3; | spas-1; | NP_001256115.1;NP_741586.1;NP_741587.1; | 512 | c.elegen |
| O44953 | Probable signal peptidase complex subunit 1; EC 3.4.-.-; Microsomal signal peptidase 12 kDa subunit; SPase 12 kDa subunit; | NULL | NP_492797.1; | 105 | c.elegen |
| Q9XWW1 | Probable signal peptidase complex subunit 2; EC 3.4.-.-; Microsomal signal peptidase 25 kDa subunit; SPase 25 kDa subunit; | NULL | NP_499676.1; | 180 | c.elegen |
| P34525 | Probable signal peptidase complex subunit 3; EC 3.4.-.-; Microsomal signal peptidase 22 kDa subunit; SPC22; SPase 22 kDa subunit; | NULL | NP_498755.1; | 180 | c.elegen |
| Q18953 | O-phosphoseryl-tRNA(Sec) selenium transferase; EC 2.9.1.2; Selenocysteine synthase; Sec synthase; Selenocysteinyl-tRNA(Sec) synthase; Sep-tRNA:Sec-tRNA synthase; SepSecS; UGA suppressor tRNA-associated protein homolog; | secs-1; | NP_001129887.1;NP_505761.1; | 481 | c.elegen |
| P91870 | Spindle-defective protein 2; | spd-2; | NP_492414.1; | 824 | c.elegen |
| P91349 | Spindle-defective protein 5; | spd-5; | NP_491539.1; | 1198 | c.elegen |
| P54217 | Spermatocyte protein spe-11; Defective spermatogenesis protein 11; | spe-11; | NP_491569.1; | 299 | c.elegen |
| P34890 | Spermatogenesis-defective protein spe-17; | spe-17; | NP_502275.1; | 142 | c.elegen |
| Q10579 | Spermatocyte protein spe-26; Defective spermatogenesis protein 26; | spe-26; | NP_501919.1; | 570 | c.elegen |
| P54218 | Spermatocyte protein spe-27; Defective spermatogenesis protein 27; | spe-27; | NP_500875.1; | 131 | c.elegen |
| Q23288 | Spermatogenesis-defective protein 39; SPE-39; VPS33B-interacting protein in polarity and apical restriction; | spe-39; vipar; | NP_504718.1; | 522 | c.elegen |
| Q01608 | Presenilin spe-4; | spe-4; | NP_492095.1; | 465 | c.elegen |
| Q9TVY6 | Sperm transmembrane protein 9; Fertilization defective 9; Spermatogenesis defective 9; | spe-9; | NP_001129750.1;NP_492955.1; | 661 | c.elegen |
| Q18425 | Sphingosine kinase 1; EC 2.7.1.91; | sphk-1; tag-274; | NP_001022017.1;NP_001022018.1;NP_001254179.1;NP_001254180.1; | 473 | c.elegen |
| Q03563 | Serine/threonine-protein kinase spk-1; EC 2.7.11.1; | spk-1; rsk-1 srk-1; | NP_001021133.1;NP_001021134.1;NP_499080.3; | 1003 | c.elegen |
| Q22236 | Meiotic recombination protein spo-11; | spo-11; | NP_502081.1; | 425 | c.elegen |
