| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q8VYB2 | Uridine kinase-like protein 3; UMP pyrophosphorylase; EC 2.7.1.48; EC 2.4.2.9; UPRTase; UK; | UKL3; At1g55810; | NP_175977.1;NP_974036.2;NP_974037.1; | 466 | arabidopsis |
| O65583 | Uridine kinase-like protein 4; UMP pyrophosphorylase; EC 2.7.1.48; EC 2.4.2.9; UPRTase; UK; | UKL4; UPT1; At4g26510; | NP_567747.4;NP_849448.4; | 469 | arabidopsis |
| Q9LTY6 | Uridine kinase-like protein 5; UMP pyrophosphorylase; EC 2.7.1.48; EC 2.4.2.9; UPRTase; UK; | UKL5; At3g27440; | NP_189380.1; | 465 | arabidopsis |
| P42744 | NEDD8-activating enzyme E1 regulatory subunit; Auxin-resistance protein AXR1; | AXR1; At1g05180; | NP_172010.1; | 540 | arabidopsis |
| Q8GYL3 | Ubiquitin-like-specific protease 1A; EC 3.4.22.68; | ULP1A; At3g06910; | NP_187347.2; | 502 | arabidopsis |
| O65278 | Putative ubiquitin-like-specific protease 1B; EC 3.4.22.68; | ULP1B; At4g00690; | NP_191978.3; | 341 | arabidopsis |
| Q8RWN0 | Ubiquitin-like-specific protease 1C; EC 3.4.22.68; Protein OVERLY TOLERANT TO SALT 2; | ULP1C; OTS2; At1g10570; | NP_172527.2;NP_973802.1; | 571 | arabidopsis |
| Q2PS26 | Ubiquitin-like-specific protease 1D; EC 3.4.22.68; Protein OVERLY TOLERANT TO SALT 1; | ULP1D; OTS1; At1g60220; | NP_176228.3; | 584 | arabidopsis |
| Q0WKV8 | Probable ubiquitin-like-specific protease 2A; EC 3.4.22.68; | ULP2A; At4g33620; | NP_195088.2; | 774 | arabidopsis |
| Q8L7S0 | Probable ubiquitin-like-specific protease 2B; EC 3.4.22.68; | ULP2B; At1g09730; | NP_001184951.1; | 931 | arabidopsis |
| Q8GZA8 | Protein ULTRAPETALA 1; | ULT1; At4g28190; | NP_567799.1; | 237 | arabidopsis |
| Q8S8I2 | Protein ULTRAPETALA 2; | ULT2; At2g20825; | NP_179677.1; | 228 | arabidopsis |
| Q9LKA5 | Uncharacterized protein At3g15000, mitochondrial; | At3g15000; | NP_566496.1; | 395 | arabidopsis |
| Q9ZUX4 | Uncharacterized protein At2g27730, mitochondrial; | At2g27730; | NP_565657.1; | 113 | arabidopsis |
| Q9SX77 | Uncharacterized protein At1g47420, mitochondrial; | At1g47420; | NP_564506.1; | 257 | arabidopsis |
| Q42586 | Uridine 5'-monophosphate synthase; UMP synthase; OMPdecase; EC 2.4.2.10; EC 4.1.1.23; OPRTase; | PYRE-F; UMPS; At3g54470; | NP_680130.1; | 476 | arabidopsis |
| Q56WD3 | UNC93-like protein 1; | At1g18000; | NP_564043.1;NP_564044.1; | 459 | arabidopsis |
| Q8LG53 | UNC93-like protein 2; | At1g18010; | NP_564043.1;NP_564044.1; | 459 | arabidopsis |
| Q94AA1 | UNC93-like protein 3; | At3g09470; | NP_187558.2;NP_850546.1; | 464 | arabidopsis |
| Q9LT38 | Serine/threonine-protein kinase UCNL; EC 2.7.11.1; AGC serine/threonine-protein kinase subfamily 2 member 4; Protein UNICORN-LIKE; | UCNL; AGC2-4; At3g20830; | NP_188719.1; | 408 | arabidopsis |
