| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q9Z0G8 | WAS/WASL-interacting protein family member 3; Corticosteroids and regional expression protein 16; | Wipf3; Cr16; | NP_671744.1;XP_008761099.1; | 485 | rat |
| Q6AY57 | WD repeat domain phosphoinositide-interacting protein 2; WIPI-2; | Wipi2; | NP_001007616.1; | 445 | rat |
| Q5U2Y0 | WD repeat domain phosphoinositide-interacting protein 4; WIPI-4; WD repeat-containing protein 45; | Wdr45; Wipi4; | NP_001013980.1; | 309 | rat |
| Q99PP0 | WNT1-inducible-signaling pathway protein 1; WISP-1; CCN family member 4; ELM-1; | Wisp1; Ccn4 Elm1; | NP_113904.1; | 367 | rat |
| Q9JHC6 | WNT1-inducible-signaling pathway protein 2; WISP-2; CCN family member 5; CCN family protein COP-1; Connective tissue growth factor-like protein; CTGF-L; | Wisp2; Ccn5 Cop1 Ctgfl; | NP_113778.1; | 250 | rat |
| Q6P689 | Protein wntless homolog; Integral membrane protein GPR177; Protein evenness interrupted homolog; EVI; | Wls; Gpr177; | NP_001078822.1;NP_955440.1; | 541 | rat |
| Q9JIH7 | Serine/threonine-protein kinase WNK1; EC 2.7.11.1; Protein kinase lysine-deficient 1; Protein kinase with no lysine 1; | Wnk1; Hsn2 Prkwnk1; | NP_001002823.2;NP_001186024.1;NP_446246.2; | 2126 | rat |
| Q7TPK6 | Serine/threonine-protein kinase WNK4; EC 2.7.11.1; Protein kinase lysine-deficient 4; Protein kinase with no lysine 4; | Wnk4; Prkwnk4; | NP_783169.2; | 1222 | rat |
| Q9QXQ5 | Protein Wnt-4; | Wnt4; Wnt-4; | NP_445854.1; | 351 | rat |
| Q9QXQ7 | Protein Wnt-5a; | Wnt5a; Wnt-5a; | NP_072153.1; | 380 | rat |
| Q6P6S5 | Tail-anchored protein insertion receptor WRB; Tryptophan-rich basic protein; WRB; | Wrb; | NP_955405.1; | 174 | rat |
| Q8CG07 | ATPase WRNIP1; EC 3.6.1.3; Werner helicase-interacting protein 1; | Wrnip1; Wrnip; | NP_758835.1; | 660 | rat |
| Q505J3 | WSC domain-containing protein 1; | Wscd1; | NP_001019405.1; | 572 | rat |
| Q5FVN8 | WD repeat, SAM and U-box domain-containing protein 1; | Wdsub1; | NP_001014201.1;XP_006234273.1; | 476 | rat |
| P49952 | Wilms tumor protein homolog; | Wt1; Wt-1; | NP_113722.2; | 448 | rat |
| O55145 | Fractalkine; C-X3-C motif chemokine 1; CX3C membrane-anchored chemokine; Neurotactin; Small-inducible cytokine D1; [Cleaved into: Processed fractalkine]; | Cx3cl1; Acc1 Fkn Scyd1; | NP_604450.1; | 393 | rat |
| Q9R1S4 | X-box-binding protein 1; Hepatocarcinogenesis-related transcription factor; HTF; | Xbp1; Htf; | NP_001004210.1;NP_001258660.1; | 267 | rat |
| P51672 | Lymphotactin; C motif chemokine 1; Cytokine SCM-1; Small-inducible cytokine C1; | Xcl1; Ltn Scyc1; | NP_599188.1; | 114 | rat |
| P22985 | Xanthine dehydrogenase/oxidase; XOR; EC 1.17.1.4; Xanthine oxidoreductase; EC 1.17.3.2; XO; XD; | Xdh; | NP_058850.1; | 1331 | rat |
| Q9R0I6 | E3 ubiquitin-protein ligase XIAP; EC 6.3.2.-; Baculoviral IAP repeat-containing protein 4; IAP homolog A; Inhibitor of apoptosis protein 3; IAP-3; rIAP-3; rIAP3; X-linked inhibitor of apoptosis protein; X-linked IAP; | Xiap; Api3 Birc4; | NP_071567.1;XP_006257570.1;XP_006257571.1;XP_008771751.1; | 496 | rat |
