| Identifier | Protein names | Gene names | Cross reference refseq | Length | Species |
| Q9SYB9 | Serine/threonine-protein kinase UCN; EC 2.7.11.1; AGC serine/threonine-protein kinase subfamily 2 member 3; Protein UNICORN; | UNC; AGC2-3; At1g51170; | NP_564584.1; | 404 | arabidopsis |
| Q8GZ38 | Transcription factor UNE10; Basic helix-loop-helix protein 16; AtbHLH16; bHLH 16; Protein UNFERTILIZED EMBRYO SAC 10; Transcription factor EN 108; bHLH transcription factor bHLH016; | UNE10; BHLH16 EN108; At4g00050; | NP_191916.3; | 399 | arabidopsis |
| O22768 | Transcription factor UNE12; Basic helix-loop-helix protein 59; AtbHLH59; bHLH 59; Protein UNFERTILIZED EMBRYO SAC 12; Transcription factor EN 93; bHLH transcription factor bHLH059; | UNE12; BHLH59 EN93; At4g02590; | NP_001031577.1;NP_001118919.1;NP_567245.1; | 310 | arabidopsis |
| Q8GY23 | E3 ubiquitin-protein ligase UPL1; Ubiquitin-protein ligase 1; EC 6.3.2.-; | UPL1; At1g55860; | NP_001185245.1; | 3681 | arabidopsis |
| Q8H0T4 | E3 ubiquitin-protein ligase UPL2; Ubiquitin-protein ligase 2; EC 6.3.2.-; | UPL2; At1g70320; | NP_177189.1; | 3658 | arabidopsis |
| Q6WWW4 | E3 ubiquitin-protein ligase UPL3; Ubiquitin-protein ligase 3; EC 6.3.2.-; HECT ubiquitin-protein ligase 3; Protein KAKTUS; | UPL3; KAK; At4g38600/At4g38610; | NP_849567.2; | 1888 | arabidopsis |
| Q9LYZ7 | E3 ubiquitin-protein ligase UPL4; Ubiquitin-protein ligase 4; EC 6.3.2.-; | UPL4; KLI5; At5g02880; | NP_195908.1; | 1502 | arabidopsis |
| Q9SU29 | E3 ubiquitin-protein ligase UPL5; Ubiquitin-protein ligase 5; EC 6.3.2.-; | UPL5; At4g12570; | NP_192994.1; | 873 | arabidopsis |
| Q8RWB8 | E3 ubiquitin-protein ligase UPL6; Ubiquitin-protein ligase 6; EC 6.3.2.-; | UPL6; At3g17205; | NP_001189915.1;NP_188346.2; | 1029 | arabidopsis |
| Q9SCQ2 | E3 ubiquitin-protein ligase UPL7; Ubiquitin-protein ligase 7; EC 6.3.2.-; | UPL7; At3g53090; | NP_001030850.1;NP_190877.1; | 1142 | arabidopsis |
| Q9M336 | Uracil phosphoribosyltransferase, chloroplastic; UPRTase; EC 2.4.2.9; UMP pyrophosphorylase; | UPP; PYRR; At3g53900; | NP_190958.1;NP_850699.1; | 296 | arabidopsis |
| Q9ZPR7 | Ureide permease 1; AtUPS1; | UPS1; At2g03590; | NP_565303.1; | 390 | arabidopsis |
| Q9ZQ89 | Ureide permease 2; AtUPS2; | UPS2; At2g03530; | NP_001077874.1;NP_178451.2; | 398 | arabidopsis |
| Q9ZPR6 | Ureide permease 3; AtUPS3; | UPS3; At2g03600; | NP_001118258.1;NP_178458.2; | 256 | arabidopsis |
| Q9ZQ88 | Ureide permease 4; AtUPS4; | UPS4; At2g03520; | NP_178450.2; | 401 | arabidopsis |
| Q93Z75 | Ureide permease 5; AtUPS5; | UPS5; At1g26440; | NP_849708.1;NP_973915.1; | 413 | arabidopsis |
| Q9SR52 | Urease; EC 3.5.1.5; Urea amidohydrolase; | URE; At1g67550; | NP_176922.1; | 838 | arabidopsis |
| Q7Y0S0 | Urease accessory protein D; AtURED; | URED; At2g35035; | NP_850239.1; | 294 | arabidopsis |
| Q9XHZ3 | Urease accessory protein F; AtUREF; | UREF; At1g21840; | NP_173602.1; | 240 | arabidopsis |
| O64700 | Urease accessory protein G; AtUREG; | UREG; At2g34470; | NP_180994.1; | 275 | arabidopsis |
