| IED ID | IndEnz0002010407 | 
| Enzyme Type ID | protease010407 | 
| Protein Name | Probable 26S proteasome non-ATPase regulatory subunit 3 26S proteasome subunit S3 26S proteasome regulatory subunit RPN3 Nuclear antigen 21D7 | 
| Gene Name | 21D7 | 
| Organism | Nicotiana tabacum (Common tobacco) | 
| Taxonomic Lineage | cellular organisms Eukaryota Viridiplantae Streptophyta Streptophytina Embryophyta Tracheophyta Euphyllophyta Spermatophyta Magnoliopsida Mesangiospermae eudicotyledons Gunneridae Pentapetalae asterids lamiids Solanales Solanaceae Nicotianoideae Nicotianeae Nicotiana Nicotiana tabacum (Common tobacco) | 
| Enzyme Sequence | MTQDVEMKEQAAPPSNSLSSTAPSIFHHLKEIASLIETGAYAREVRRISRAVRLTMALRKKLKASSLSAFLNYVLVPGSEVHSRLSSFLPKEDEQDMEVDTATSGAQAPIKNPLPELEIYCYLLVLIFLIDQKKYNEAKACSSASIARLKTVNRRTVDVLASRLYFYYSLCYELTGDLAEIRGYLLALHRIATLRHDELGQETLLNLLLRNYLHYNLYDQAEKLRSKAPRFEAHSNQQFSRYLFYLGKIRTIQLEYTDAKESLLQAARKAPQAALGFRVQCNKWAIIVRLLLGEIPERTVFMQKGMEKALRPYFELTNAVRIGDLELFRKVAEKFSSTFSSDGTNNLIVRLRHNVIRTGLRNISISYSRISLVDVAKKLRLDSPNPVADAESIVSKAIRDGAIDATLDHANGWMVSKETGDIYSTNEPQIAFNSRIAFCLNMHNEAVRALRFPPNSHKEKESAEKRRERQQQEQELAKHIAEEDDDDF | 
| Enzyme Length | 488 | 
| Uniprot Accession Number | P93768 | 
| Absorption | |
| Active Site | |
| Activity Regulation | |
| Binding Site | |
| Calcium Binding | |
| catalytic Activity | |
| DNA Binding | |
| EC Number | |
| Enzyme Function | FUNCTION: Acts as a regulatory subunit of the 26 proteasome which is involved in the ATP-dependent degradation of ubiquitinated proteins. {ECO:0000250}. | 
| Temperature Dependency | |
| PH Dependency | |
| Pathway | |
| nucleotide Binding | |
| Features | Chain (1); Compositional bias (1); Domain (1); Region (2) | 
| Keywords | Nucleus;Proteasome;Reference proteome | 
| Interact With | |
| Induction | |
| Subcellular Location | SUBCELLULAR LOCATION: Nucleus. | 
| Modified Residue | |
| Post Translational Modification | |
| Signal Peptide | |
| Structure 3D | |
| Cross Reference PDB | - | 
| Mapped Pubmed ID | 12609025; | 
| Motif | |
| Gene Encoded By | |
| Mass | 55,577 | 
| Kinetics | |
| Metal Binding | |
| Rhea ID | |
| Cross Reference Brenda |