O75691 (UTP20_HUMAN) Reviewed, UniProtKB/Swiss-Prot
Last modified
May 1, 2013.
Version 99.
History...
Names·Attributes·General annotation·Ontologies·Interactions·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize order
Names·Attributes·General annotation·Ontologies·Interactions·Sequence annotation·Sequences·References·Cross-refs·Entry info·DocumentsCustomize orderNames and origin
| Protein names | Recommended name: Small subunit processome component 20 homolog Alternative name(s): Down-regulated in metastasis protein Novel nucleolar protein 73 Short name=NNP73 Protein Key-1A6 | ||||
| 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 | 2785 AA. |
| Sequence status | Complete. |
| Protein existence | Evidence at protein level |
General annotation (Comments)
| Function | Involved in 18S pre-rRNA processing. Associates with U3 snoRNA. Ref.8 |
| Subunit structure | |
| Subcellular location | Nucleus › nucleolus. Note: Colocalizes with NCL in the nucleolus. Ref.4 Ref.5 Ref.7 |
| Tissue specificity | Expressed in appendix, brain, colon, fetal liver, heart, ovary, pancreas, placenta, prostate, skeletal muscle, small intestine, spleen, testis and thymus. Ref.1 |
| Sequence similarities | Belongs to the UTP20 family. Contains 2 HEAT repeats. |
| Sequence caution | The sequence AAG35208.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally extended. |
Ontologies
Binary interactions
With | Entry | #Exp. | IntAct | Notes |
|---|---|---|---|---|
| PPP1R26 | Q5T8A7 | 4 | EBI-356062,EBI-308500 |
Sequence annotation (Features)
| Feature key | Position(s) | Length | Description | Graphical view | Feature identifier | ||||
Molecule processing | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Chain | 1 – 2785 | 2785 | Small subunit processome component 20 homolog | PRO_0000080011 | |||||
Regions | |||||||||
| Repeat | 165 – 202 | 38 | HEAT 1 | ||||||
| Repeat | 1841 – 1878 | 38 | HEAT 2 | ||||||
| Region | 2744 – 2775 | 32 | Nuclear localization signal | ||||||
| Region | 2744 – 2761 | 18 | Nucleolar localization signal | ||||||
| Coiled coil | 2688 – 2765 | 78 | Potential | ||||||
| Compositional bias | 1319 – 1324 | 6 | Poly-Lys | ||||||
Amino acid modifications | |||||||||
| Modified residue | 788 | 1 | Phosphoserine Ref.9 | ||||||
| Modified residue | 1741 | 1 | Phosphothreonine Ref.9 Ref.10 Ref.11 Ref.14 | ||||||
| Modified residue | 2601 | 1 | Phosphoserine Ref.12 Ref.14 | ||||||
Natural variations | |||||||||
| Natural variant | 120 | 1 | M → T. Corresponds to variant rs2290723 [ dbSNP | Ensembl ]. | VAR_055135 | |||||
| Natural variant | 502 | 1 | S → C. Corresponds to variant rs4764643 [ dbSNP | Ensembl ]. | VAR_022162 | |||||
| Natural variant | 1645 | 1 | K → I in a breast cancer sample; somatic mutation. Ref.15 | VAR_036274 | |||||
| Natural variant | 1882 | 1 | L → Q. Ref.1 Corresponds to variant rs10082778 [ dbSNP | Ensembl ]. | VAR_055136 | |||||
| Natural variant | 2452 | 1 | I → F in a breast cancer sample; somatic mutation. Ref.15 | VAR_036275 | |||||
| Natural variant | 2612 | 1 | E → Q. Corresponds to variant rs1061436 [ dbSNP | Ensembl ]. | VAR_022163 | |||||
Experimental info | |||||||||
| Mutagenesis | 2744 – 2746 | 3 | KKK → AAA: Inhibits nucleolar but not nuclear localization. Ref.7 | ||||||
| Mutagenesis | 2744 | 1 | K → A: Does not decrease nucleolar localization. Ref.7 | ||||||
| Mutagenesis | 2745 | 1 | K → A: Does not decrease nucleolar localization. Ref.7 | ||||||
| Mutagenesis | 2746 | 1 | K → A: Decreases nucleolar localization. Ref.7 | ||||||
| Mutagenesis | 2748 – 2749 | 2 | KK → AA: Inhibits nucleolar but not nuclear localization. Ref.7 | ||||||
| Mutagenesis | 2748 | 1 | K → A: Does not decrease nucleolar localization. Ref.7 | ||||||
| Mutagenesis | 2749 | 1 | K → A: Decreases nucleolar localization. Ref.7 | ||||||
| Mutagenesis | 2751 | 1 | K → A: Does not decrease nucleolar localization. Ref.7 | ||||||
| Mutagenesis | 2753 | 1 | K → A: Does not decrease nucleolar localization. Ref.7 | ||||||
| Mutagenesis | 2757 – 2760 | 4 | KKRK → AAAA: Inhibits nucleolar localization and decreases nuclear localization. Ref.7 | ||||||
| Mutagenesis | 2757 | 1 | K → A: Does not decrease nucleolar localization. Ref.7 | ||||||
| Mutagenesis | 2758 | 1 | K → A: Does not decrease nucleolar localization. Ref.7 | ||||||
| Mutagenesis | 2760 | 1 | K → A: Does not decrease nucleolar localization. Ref.7 | ||||||
| Sequence conflict | 1505 | 1 | A → P in CAA07243. Ref.1 | ||||||
Sequences
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References
| « Hide 'large scale' references | |
| [1] | "Differential gene expression in mammary carcinoma cell lines: identification of DRIM, a new gene down-regulated in metastasis." Schwirzke M., Gnirke A., Bork P., Tarin D., Weidle U.H. Anticancer Res. 18:1409-1421(1998) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [MRNA], TISSUE SPECIFICITY, VARIANT GLN-1882. |
| [2] | "The finished DNA sequence of human chromosome 12." Scherer S.E., Muzny D.M., Buhay C.J., Chen R., Cree A., Ding Y., Dugan-Rocha S., Gill R., Gunaratne P., Harris R.A., Hawes A.C., Hernandez J., Hodgson A.V., Hume J., Jackson A., Khan Z.M., Kovar-Smith C., Lewis L.R. Gibbs R.A.Nature 440:346-351(2006) [PubMed] [Europe PMC] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. |
| [3] | "Key-1A6." Ke Y., Hagiwara K., Zhao H., Ning T., Su X.L., Mcmenamin H., Lu G.R., Wang B., Harris C.C. Submitted (JUN-1998) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [MRNA] OF 1883-2785. |
| [4] | "Directed proteomic analysis of the human nucleolus." Andersen J.S., Lyon C.E., Fox A.H., Leung A.K.L., Lam Y.W., Steen H., Mann M., Lamond A.I. Curr. Biol. 12:1-11(2002) [PubMed] [Europe PMC] [Abstract] Cited for: IDENTIFICATION BY MASS SPECTROMETRY, SUBCELLULAR LOCATION. |
| [5] | "Functional proteomic analysis of human nucleolus." Scherl A., Coute Y., Deon C., Calle A., Kindbeiter K., Sanchez J.-C., Greco A., Hochstrasser D.F., Diaz J.-J. Mol. Biol. Cell 13:4100-4109(2002) [PubMed] [Europe PMC] [Abstract] Cited for: SUBCELLULAR LOCATION [LARGE SCALE ANALYSIS], MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [6] | "KIAA0649, a 1A6/DRIM-interacting protein with the oncogenic potential." Yang L., Zhao J., Lu W., Li Y., Du X., Ning T., Lu G., Ke Y. Biochem. Biophys. Res. Commun. 334:884-890(2005) [PubMed] [Europe PMC] [Abstract] Cited for: INTERACTION WITH PPP1R26. |
| [7] | "Mapping nucleolar localization sequences of 1A6/DRIM." Liu J., Du X., Ke Y. FEBS Lett. 580:1405-1410(2006) [PubMed] [Europe PMC] [Abstract] Cited for: SUBCELLULAR LOCATION, MUTAGENESIS OF 2744-LYS--LYS-2746; LYS-2744; LYS-2745; LYS-2746; 2748-LYS-LYS-2749; LYS-2748; LYS-2749; LYS-2751; LYS-2753; 2757-LYS--LYS-2760; LYS-2757; LYS-2758 AND LYS-2760. |
| [8] | "Human 1A6/DRIM, the homolog of yeast Utp20, functions in the 18S rRNA processing." Wang Y., Liu J., Zhao H., Lue W., Zhao J., Yang L., Li N., Du X., Ke Y. Biochim. Biophys. Acta 1773:863-868(2007) [PubMed] [Europe PMC] [Abstract] Cited for: FUNCTION, INTERACTION WITH FBL. |
| [9] | "Kinase-selective enrichment enables quantitative phosphoproteomics of the kinome across the cell cycle." Daub H., Olsen J.V., Bairlein M., Gnad F., Oppermann F.S., Korner R., Greff Z., Keri G., Stemmann O., Mann M. Mol. Cell 31:438-448(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-788 AND THR-1741, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [10] | "A quantitative atlas of mitotic phosphorylation." Dephoure N., Zhou C., Villen J., Beausoleil S.A., Bakalarski C.E., Elledge S.J., Gygi S.P. Proc. Natl. Acad. Sci. U.S.A. 105:10762-10767(2008) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT THR-1741, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [11] | "Quantitative phosphoproteomic analysis of T cell receptor signaling reveals system-wide modulation of protein-protein interactions." Mayya V., Lundgren D.H., Hwang S.-I., Rezaul K., Wu L., Eng J.K., Rodionov V., Han D.K. Sci. Signal. 2:RA46-RA46(2009) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT THR-1741, MASS SPECTROMETRY. Tissue: Leukemic T-cell. |
| [12] | "Quantitative phosphoproteomics reveals widespread full phosphorylation site occupancy during mitosis." Olsen J.V., Vermeulen M., Santamaria A., Kumar C., Miller M.L., Jensen L.J., Gnad F., Cox J., Jensen T.S., Nigg E.A., Brunak S., Mann M. Sci. Signal. 3:RA3-RA3(2010) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT SER-2601, MASS SPECTROMETRY. Tissue: Cervix carcinoma. |
| [13] | "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]. |
| [14] | "System-wide temporal characterization of the proteome and phosphoproteome of human embryonic stem cell differentiation." Rigbolt K.T., Prokhorova T.A., Akimov V., Henningsen J., Johansen P.T., Kratchmarova I., Kassem M., Mann M., Olsen J.V., Blagoev B. Sci. Signal. 4:RS3-RS3(2011) [PubMed] [Europe PMC] [Abstract] Cited for: PHOSPHORYLATION [LARGE SCALE ANALYSIS] AT THR-1741 AND SER-2601, MASS SPECTROMETRY. |
| [15] | "The consensus coding sequences of human breast and colorectal cancers." Sjoeblom T., Jones S., Wood L.D., Parsons D.W., Lin J., Barber T.D., Mandelker D., Leary R.J., Ptak J., Silliman N., Szabo S., Buckhaults P., Farrell C., Meeh P., Markowitz S.D., Willis J., Dawson D., Willson J.K.V. Velculescu V.E.Science 314:268-274(2006) [PubMed] [Europe PMC] [Abstract] Cited for: VARIANTS [LARGE SCALE ANALYSIS] ILE-1645 AND PHE-2452. |
| + | Additional computationally mapped references. |
Cross-references
Sequence databases | |
|---|---|
| EMBL GenBank DDBJ | AJ006778 mRNA. Translation: CAA07243.1. AC063948 Genomic DNA. No translation available. AC063951 Genomic DNA. No translation available. AF072718 mRNA. Translation: AAG35208.1. Different initiation. |
| IPI | IPI00004970. |
| RefSeq | NP_055318.2. NM_014503.2. |
| UniGene | Hs.295732. |
3D structure databases | |
| ProteinModelPortal | O75691. |
| SMR | O75691. Positions 2113-2141. |
| ModBase | Search... |
Protein-protein interaction databases | |
| IntAct | O75691. 2 interactions. |
| MINT | MINT-1163597. |
| STRING | 9606.ENSP00000261637. |
PTM databases | |
| PhosphoSite | O75691. |
2D gel databases | |
| SWISS-2DPAGE | O75691. |
Proteomic databases | |
| PaxDb | O75691. |
| PRIDE | O75691. |
Protocols and materials databases | |
| StructuralBiologyKnowledgebase | Search... |
Genome annotation databases | |
| Ensembl | ENST00000261637; ENSP00000261637; ENSG00000120800. |
| GeneID | 27340. |
| KEGG | hsa:27340. |
| UCSC | uc001tia.1. human. |
Organism-specific databases | |
| CTD | 27340. |
| GeneCards | GC12P101673. |
| H-InvDB | HIX0010919. |
| HGNC | HGNC:17897. UTP20. |
| MIM | 612822. gene. |
| neXtProt | NX_O75691. |
| PharmGKB | PA143485666. |
| GenAtlas | Search... |
Phylogenomic databases | |
| eggNOG | NOG296791. |
| HOGENOM | HOG000168315. |
| HOVERGEN | HBG094143. |
| InParanoid | O75691. |
| KO | K14772. |
| OMA | YFPLLAK. |
| OrthoDB | EOG41C6VB. |
| PhylomeDB | O75691. |
Gene expression databases | |
| Bgee | O75691. |
| CleanEx | HS_UTP20. |
| Genevestigator | O75691. |
| GermOnline | ENSG00000120800. Homo sapiens. |
Family and domain databases | |
| Gene3D | 1.25.10.10. 5 hits. |
| InterPro | IPR011989. ARM-like. IPR016024. ARM-type_fold. IPR011430. DRIM. [Graphical view] |
| Pfam | PF07539. DRIM. 1 hit. [Graphical view] |
| SUPFAM | SSF48371. ARM-type_fold. 2 hits. |
| PROSITE | PS50077. HEAT_REPEAT. False negative. [Graphical view] |
| ProtoNet | Search... |
Other | |
| GenomeRNAi | 27340. |
| NextBio | 50408. |
| SOURCE | Search... |
Entry information
| Entry name | UTP20_HUMAN | ||||||||
| Accession | Primary (citable) accession number: O75691 Secondary accession number(s): Q9H3H4 | ||||||||
| Entry history |
| ||||||||
| 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
| Human chromosome 12 Human chromosome 12: 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
