| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| P01323 | Insulin-2; [Cleaved into: Insulin-2 B chain; Insulin-2 A chain]; | Ins2; Ins-2; | NP_062003.1; | 110 | rat |
| Q08755 | Insulin-induced gene 1 protein; INSIG-1; Immediate-early protein CL-6; Insulin-induced growth response protein CL-6; | Insig1; Cl-6; | NP_071787.1; | 259 | rat |
| Q80UA9 | Insulin-induced gene 2 protein; INSIG-2; | Insig2; | NP_835192.1;XP_006249729.1;XP_006249730.1;XP_006249731.1; | 225 | rat |
| Q9WUK0 | Insulin-like 3; Leydig insulin-like peptide; Ley-I-L; Relaxin-like factor; [Cleaved into: Insulin-like 3 B chain; Insulin-like 3 A chain]; | Insl3; Rlf; | NP_446132.1; | 128 | rat |
| Q9WV41 | Insulin-like peptide INSL6; Insulin-like peptide 6; [Cleaved into: Insulin-like peptide INSL6 B chain; Insulin-like peptide INSL6 A chain]; | Insl6; | NP_072105.1; | 188 | rat |
| Q64716 | Insulin receptor-related protein; IRR; EC 2.7.10.1; IR-related receptor; | Insrr; | NP_071548.2; | 1300 | rat |
| P15127 | Insulin receptor; IR; EC 2.7.10.1; CD antigen CD220; [Cleaved into: Insulin receptor subunit alpha; Insulin receptor subunit beta]; | Insr; | NULL | 1383 | rat |
| Q3MHC2 | Integrator complex subunit 11; Int11; EC 3.1.27.-; Cleavage and polyadenylation-specific factor 3-like protein; CPSF3-like protein; | Cpsf3l; Ints11; | NP_001029064.1; | 600 | rat |
| Q68FR3 | Integrator complex subunit 12; Int12; PHD finger protein 22; | Ints12; Phf22; | NP_001007641.1;XP_006233383.1; | 461 | rat |
| D4ACE5 | Protein inturned; Inturned planar cell polarity effector homolog; PDZ domain-containing protein 6; | Intu; Pdzd6; | NULL | 942 | rat |
| P48998 | Involucrin; | Ivl; | NP_071531.1; | 568 | rat |
| P24389 | Type I iodothyronine deiodinase; EC 1.97.1.10; 5DI; DIOI; Type 1 DI; Type-I 5'-deiodinase; | Dio1; Itdi1 Txdi1; | NP_067685.5; | 257 | rat |
| P70551 | Type II iodothyronine deiodinase; EC 1.97.1.10; 5DII; DIOII; Type 2 DI; Type-II 5'-deiodinase; | Dio2; Itdi2 Txdi2; | NP_113908.3; | 266 | rat |
| P49897 | Type III iodothyronine deiodinase; EC 1.97.1.11; 5DIII; DIOIII; Type 3 DI; Type-III 5'-deiodinase; | Dio3; Itdi3 Txdi3; | NP_058906.3; | 304 | rat |
| P17105 | Inositol-trisphosphate 3-kinase A; EC 2.7.1.127; Inositol 1,4,5-trisphosphate 3-kinase A; IP3 3-kinase A; IP3K A; InsP 3-kinase A; | Itpka; | NP_112307.2; | 459 | rat |
| P42335 | Inositol-trisphosphate 3-kinase B; EC 2.7.1.127; Inositol 1,4,5-trisphosphate 3-kinase B; IP3 3-kinase B; IP3K B; InsP 3-kinase B; | Itpkb; | NP_062185.2; | 934 | rat |
| Q80ZG2 | Inositol-trisphosphate 3-kinase C; EC 2.7.1.127; Inositol 1,4,5-trisphosphate 3-kinase C; IP3 3-kinase C; IP3K C; InsP 3-kinase C; | Itpkc; Ip3kc; | NP_835195.1; | 678 | rat |
| Q9ESM0 | Inositol hexakisphosphate kinase 1; InsP6 kinase 1; EC 2.7.4.21; Inositol hexaphosphate kinase 1; | Ip6k1; Ihpk1; | NP_445768.1;XP_006243901.1; | 433 | rat |
| Q9R0U1 | Inositol hexakisphosphate kinase 2; InsP6 kinase 2; EC 2.7.4.21; P(i)-uptake stimulator; PiUS; | Ip6k2; Ihpk2 Pius; | NP_067692.2;XP_008764786.1; | 425 | rat |
| Q66H52 | Inositol 1,4,5-trisphosphate receptor-interacting protein-like 1; | Itpripl1; | NP_001020214.1; | 547 | rat |
