P82921 (RT21_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
April 3, 2013.
Version 101.
History...
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: 28S ribosomal protein S21, mitochondrial Short name=MRP-S21 Short name=S21mt | ||||||
| Gene names |
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| Organism | Homo sapiens (Human) [Reference proteome] | ||||||
| Taxonomic identifier | 9606 [NCBI] | ||||||
| Taxonomic lineage | Eukaryota › Metazoa › Chordata › Craniata › Vertebrata › Euteleostomi › Mammalia › Eutheria › Euarchontoglires › Primates › Haplorrhini › Catarrhini › Hominidae › Homo![]() |
Protein attributes
| Sequence length | 87 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Subunit structure | Component of the mitochondrial ribosome small subunit (28S) which comprises a 12S rRNA and about 30 distinct proteins. |
| Subcellular location | |
| Sequence similarities | Belongs to the ribosomal protein S21P family. |
| Sequence caution | The sequence AAG14953.1 differs from that shown. Reason: Erroneous initiation. |
Ontologies
| Keywords | |
|---|---|
| Cellular component | Mitochondrion |
| Coding sequence diversity | Polymorphism |
| Molecular function | Ribonucleoprotein Ribosomal protein |
| Technical term | Complete proteome Reference proteome |
| Gene Ontology (GO) | |
| Biological_process | translation Non-traceable author statement Ref.7. Source: UniProtKB |
| Cellular_component | mitochondrial small ribosomal subunit Inferred from direct assay Ref.7. Source: UniProtKB |
| Molecular_function | structural constituent of ribosome Non-traceable author statement Ref.7. Source: UniProtKB |
| Complete GO annotation... | |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 87 | 87 | 28S ribosomal protein S21, mitochondrial | PRO_0000178413 | |||||
Natural variations | |||||||||
| Natural variant | 50 | 1 | R → C. Corresponds to variant rs10480 [ dbSNP | Ensembl ]. | VAR_051825 | |||||
| Natural variant | 51 | 1 | R → Q. Corresponds to variant rs4845 [ dbSNP | Ensembl ]. | VAR_024610 | |||||
Sequences
References
| « Hide 'large scale' references | |
| [1] | "Proteomic analysis of the mammalian mitochondrial ribosome. Identification of protein components in the 28S small subunit." Suzuki T., Terasaki M., Takemoto-Hori C., Hanada T., Ueda T., Wada A., Watanabe K. J. Biol. Chem. 276:33181-33195(2001) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA]. |
| [2] | "Novel genes expressed in hematopoietic stem/progenitor cells from myelodysplastic syndrome patients." Huang C., Qian B., Tu Y., Gu W., Wang Y., Han Z., Chen Z. Submitted (SEP-1999) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. Tissue: Hematopoietic stem cell. |
| [3] | "Complete sequencing and characterization of 21,243 full-length human cDNAs." Ota T., Suzuki Y., Nishikawa T., Otsuki T., Sugiyama T., Irie R., Wakamatsu A., Hayashi K., Sato H., Nagai K., Kimura K., Makita H., Sekine M., Obayashi M., Nishi T., Shibahara T., Tanaka T., Ishii S. Sugano S.Nat. Genet. 36:40-45(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. Tissue: Cerebellum. |
| [4] | "The DNA sequence and biological annotation of human chromosome 1." Gregory S.G., Barlow K.F., McLay K.E., Kaul R., Swarbreck D., Dunham A., Scott C.E., Howe K.L., Woodfine K., Spencer C.C.A., Jones M.C., Gillson C., Searle S., Zhou Y., Kokocinski F., McDonald L., Evans R., Phillips K. Bentley D.R.Nature 441:315-321(2006) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [5] | Mural R.J., Istrail S., Sutton G., Florea L., Halpern A.L., Mobarry C.M., Lippert R., Walenz B., Shatkay H., Dew I., Miller J.R., Flanigan M.J., Edwards N.J., Bolanos R., Fasulo D., Halldorsson B.V., Hannenhalli S., Turner R. Venter J.C.Submitted (SEP-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [6] | "The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC)." The MGC Project Team Genome Res. 14:2121-2127(2004) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA]. Tissue: Lung and Uterus. |
| [7] | "The small subunit of the mammalian mitochondrial ribosome: identification of the full complement of ribosomal proteins present." Koc E.C., Burkhart W., Blackburn K., Moseley A., Spremulli L.L. J. Biol. Chem. 276:19363-19374(2001) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION. |
| [8] | "Initial characterization of the human central proteome." Burkard T.R., Planyavsky M., Kaupe I., Breitwieser F.P., Buerckstuemmer T., Bennett K.L., Superti-Furga G., Colinge J. BMC Syst. Biol. 5:17-17(2011) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY [LARGE SCALE ANALYSIS]. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AB049955 mRNA. Translation: BAB41008.1. AF182417 mRNA. Translation: AAG14953.1. Different initiation. AK289467 mRNA. Translation: BAF82156.1. AL138795 Genomic DNA. Translation: CAI22820.1. CH471121 Genomic DNA. Translation: EAW53558.1. CH471121 Genomic DNA. Translation: EAW53559.1. BC004566 mRNA. Translation: AAH04566.2. BC006554 mRNA. Translation: AAH06554.1. |
| IPI | IPI00014812. |
| RefSeq | NP_061870.1. NM_018997.2. NP_114107.1. NM_031901.4. |
| UniGene | Hs.405880. |
3D structure databases | |
| ProteinModelPortal | P82921. |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | P82921. 4 interactions. |
| STRING | 9606.ENSP00000312395. |
PTM databases | |
| PhosphoSite | P82921. |
Polymorphism databases | |
| DMDM | 13959554. |
Proteomic databases | |
| PaxDb | P82921. |
| PRIDE | P82921. |
Protocols and materials databases | |
| DNASU | 54460. |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000309092; ENSP00000312395; ENSG00000187145. ENST00000369084; ENSP00000358080; ENSG00000187145. |
| GeneID | 54460. |
| KEGG | hsa:54460. |
| UCSC | uc001euk.3. human. |
Organism-specific databases | |
| CTD | 54460. |
| GeneCards | GC01P150266. |
| HGNC | HGNC:14046. MRPS21. |
| MIM | 611984. gene. |
| neXtProt | NX_P82921. |
| PharmGKB | PA31009. |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | NOG47836. |
| HOGENOM | HOG000007789. |
| HOVERGEN | HBG047411. |
| InParanoid | P82921. |
| KO | K02970. |
| OMA | DMNRKIQ. |
| OrthoDB | EOG4TTGKH. |
Gene expression databases | |
| ArrayExpress | P82921. |
| Bgee | P82921. |
| CleanEx | HS_MRPS21. |
| Genevestigator | P82921. |
| GermOnline | ENSG00000187145. Homo sapiens. |
Family and domain databases | |
| InterPro | IPR001911. Ribosomal_S21. [Graphical view] |
| Pfam | PF01165. Ribosomal_S21. 1 hit. [Graphical view] |
| TIGRFAMs | TIGR00030. S21p. 1 hit. |
| PROSITE | PS01181. RIBOSOMAL_S21. False negative. [Graphical view] |
| ProtoNet | Search... |
Other | |
| ChiTaRS | MRPS21. human. |
| GenomeRNAi | 54460. |
| NextBio | 56711. |
| SOURCE | Search... |
Entry information
| Entry name | RT21_HUMAN | ||||||||
| Accession | Primary (citable) accession number: P82921 Secondary accession number(s): Q5TB11, Q9BST6 | ||||||||
| Entry history |
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| Entry status | Reviewed (UniProtKB/Swiss-Prot) | ||||||||
| Annotation program | Chordata Protein Annotation Program | ||||||||
| Disclaimer | Any medical or genetic information present in this entry is provided for research, educational and informational purposes only. It is not in any way intended to be used as a substitute for professional medical advice, diagnosis, treatment or care. | ||||||||
Relevant documents
| Ribosomal proteins Ribosomal proteins families and list of entries |
| Human chromosome 1 Human chromosome 1: entries, gene names and cross-references to MIM |
| Human entries with polymorphisms or disease mutations List of human entries with polymorphisms or disease mutations |
| Human polymorphisms and disease mutations Index of human polymorphisms and disease mutations |
| MIM cross-references Online Mendelian Inheritance in Man (MIM) cross-references in UniProtKB/Swiss-Prot |
| SIMILARITY comments Index of protein domains and families |

Clusters with
