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Identification
HMDB Protein ID HMDBP08884
Secondary Accession Numbers
  • 14611
Name NAD-dependent protein deacetylase sirtuin-7
Synonyms
  1. SIR2-like protein 7
  2. Regulatory protein SIR2 homolog 7
Gene Name SIRT7
Protein Type Unknown
Biological Properties
General Function Involved in zinc ion binding
Specific Function NAD-dependent protein deacetylase that specifically mediates deacetylation of histone H3 at 'Lys-18' (H3K18Ac). In contrast to other histone deacetylases, displays selectivity for a single histone mark, H3K18Ac, directly linked to control of gene expression. H3K18Ac is mainly present around the transcription start site of genes and has been linked to activation of nuclear hormone receptors. SIRT7 thereby acts as a transcription repressor. Moreover, H3K18 hypoacetylation has been reported as a marker of malignancy in various cancers and seems to maintain the transformed phenotype of cancer cells. These data suggest that SIRT7 may play a key role in oncogenic transformation by suppresses expression of tumor suppressor genes by locus-specific deacetylation of H3K18Ac at promoter regions. Also required to restore the transcription of ribosomal RNA (rRNA) at the exit from mitosis: promotes the association of RNA polymerase I with the rDNA promoter region and coding region. Stimulates transcription activity of the RNA polymerase I complex. May also deacetylate p53/TP53 and promotes cell survival, however such data need additional confirmation.
Pathways Not Available
Reactions
NAD + an acetylprotein → Niacinamide + O-acetyl-ADP-ribose + a protein details
GO Classification
Biological Process
rRNA transcription
histone H3 deacetylation
positive regulation of transcription on exit from mitosis
negative regulation of transcription from RNA polymerase II promoter
Cellular Component
nucleolus organizer region
cytoplasm
Function
ion binding
cation binding
metal ion binding
binding
nucleotide binding
catalytic activity
hydrolase activity
hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds
transition metal ion binding
zinc ion binding
nad or nadh binding
nad binding
hydrolase activity, acting on carbon-nitrogen (but not peptide) bonds, in linear amides
Molecular Function
NAD-dependent histone deacetylase activity (H3-K18 specific)
metal ion binding
chromatin binding
NAD+ binding
Process
metabolic process
macromolecule metabolic process
protein amino acid deacetylation
gene silencing
chromatin silencing
cellular process
biological regulation
regulation of biological process
regulation of metabolic process
regulation of macromolecule metabolic process
regulation of gene expression
regulation of transcription
post-translational protein modification
macromolecule modification
protein modification process
Cellular Location
  1. Nucleus
  2. Cytoplasm
  3. nucleolus
Gene Properties
Chromosome Location 17
Locus 17q25
SNPs SIRT7
Gene Sequence
>1203 bp
ATGGCAGCCGGGGGTCTGAGCCGCTCCGAGCGCAAAGCGGCGGAGCGGGTCCGGAGGTTG
CGGGAGGAGCAGCAGAGGGAGCGCCTCCGCCAGGTGTCGCGCATCCTGAGGAAGGCGGCG
GCGGAGCGCAGCGCCGAGGAGGGCCGGCTGCTGGCCGAGAGCGCGGACCTGGTAACGGAG
CTGCAGGGCCGGAGCCGGCGGCGCGAGGGCCTGAAGCGGCGGCAGGAGGAGGTGTGCGAC
GACCCGGAGGAGCTGCGGGGGAAGGTCCGGGAGCTGGCCAGCGCCGTCCGGAACGCCAAA
TACTTGGTCGTCTACACAGGCGCGGGAATCAGCACGGCAGCGTCTATCCCAGACTACCGG
GGCCCTAATGGAGTGTGGACACTGCTTCAGAAAGGGAGAAGCGTTAGTGCTGCCGACCTG
AGCGAGGCCGAGCCAACCCTCACCCACATGAGCATCACCCGTCTGCATGAGCAGAAGCTG
GTGCAGCATGTGGTGTCTCAGAACTGTGACGGGCTCCACCTGAGGAGTGGGCTGCCGCGC
ACGGCCATCTCCGAGCTCCACGGGAACATGTACATTGAAGTCTGTACCTCCTGCGTTCCC
AACAGGGAGTACGTGCGGGTGTTCGATGTGACGGAGCGCACTGCCCTCCACAGACACCAG
ACAGGCCGGACCTGCCACAAGTGTGGGACCCAGCTGCGGGACACCATTGTGCACTTTGGG
GAGAGGGGGACGTTGGGGCAGCCTCTGAACTGGGAAGCGGCGACCGAGGCTGCCAGCAGA
GCAGACACCATCCTGTGTCTAGGGTCCAGCCTGAAGGTTCTAAAGAAGTACCCACGCCTC
TGGTGCATGACCAAGCCCCCTAGCCGGCGGCCGAAGCTTTACATCGTGAACCTGCAGTGG
ACCCCGAAGGATGACTGGGCTGCCCTGAAGCTACATGGGAAGTGTGATGACGTCATGCGG
CTCCTCATGGCCGAGCTGGGCTTGGAGATCCCCGCCTATAGCAGGTGGCAGGATCCCATT
TTCTCACTGGCGACTCCCCTGCGTGCTGGTGAAGAAGGCAGCCACAGTCGGAAGTCGCTG
TGCAGAAGCAGAGAGGAGGCCCCGCCTGGGGACCGGGGTGCACCGCTTAGCTCGGCCCCC
ATCCTAGGGGGCTGGTTTGGCAGGGGCTGCACAAAACGCACAAAAAGGAAGAAAGTGACG
TAA
Protein Properties
Number of Residues 400
Molecular Weight 44897.945
Theoretical pI 9.744
Pfam Domain Function
Signals Not Available
Transmembrane Regions Not Available
Protein Sequence
>NAD-dependent deacetylase sirtuin-7
MAAGGLSRSERKAAERVRRLREEQQRERLRQVSRILRKAAAERSAEEGRLLAESADLVTE
LQGRSRRREGLKRRQEEVCDDPEELRGKVRELASAVRNAKYLVVYTGAGISTAASIPDYR
GPNGVWTLLQKGRSVSAADLSEAEPTLTHMSITRLHEQKLVQHVVSQNCDGLHLRSGLPR
TAISELHGNMYIEVCTSCVPNREYVRVFDVTERTALHRHQTGRTCHKCGTQLRDTIVHFG
ERGTLGQPLNWEAATEAASRADTILCLGSSLKVLKKYPRLWCMTKPPSRRPKLYIVNLQW
TPKDDWAALKLHGKCDDVMRLLMAELGLEIPAYSRWQDPIFSLATPLRAGEEGSHSRKSL
CRSREEAPPGDRGAPLSSAPILGGWFGRGCTKRTKRKKVT
GenBank ID Protein 7243747
UniProtKB/Swiss-Prot ID Q9NRC8
UniProtKB/Swiss-Prot Entry Name SIRT7_HUMAN
PDB IDs Not Available
GenBank Gene ID AF233395
GeneCard ID SIRT7
GenAtlas ID SIRT7
HGNC ID HGNC:14935
References
General References
  1. 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, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. Epub 2003 Dec 21. [PubMed:14702039 ]
  2. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  3. Bechtel S, Rosenfelder H, Duda A, Schmidt CP, Ernst U, Wellenreuther R, Mehrle A, Schuster C, Bahr A, Blocker H, Heubner D, Hoerlein A, Michel G, Wedler H, Kohrer K, Ottenwalder B, Poustka A, Wiemann S, Schupp I: The full-ORF clone resource of the German cDNA Consortium. BMC Genomics. 2007 Oct 31;8:399. [PubMed:17974005 ]
  4. Frye RA: Phylogenetic classification of prokaryotic and eukaryotic Sir2-like proteins. Biochem Biophys Res Commun. 2000 Jul 5;273(2):793-8. [PubMed:10873683 ]
  5. Michishita E, Park JY, Burneskis JM, Barrett JC, Horikawa I: Evolutionarily conserved and nonconserved cellular localizations and functions of human SIRT proteins. Mol Biol Cell. 2005 Oct;16(10):4623-35. Epub 2005 Aug 3. [PubMed:16079181 ]
  6. de Nigris F, Cerutti J, Morelli C, Califano D, Chiariotti L, Viglietto G, Santelli G, Fusco A: Isolation of a SIR-like gene, SIR-T8, that is overexpressed in thyroid carcinoma cell lines and tissues. Br J Cancer. 2002 Mar 18;86(6):917-23. [PubMed:11953824 ]
  7. De Nigris F, Cerutti J, Morelli C, Califano D, Chiariotti L, Viglietto G, Santelli G, Fusco A: Isolation of a SIR-like gene, SIR-T8, that is overexpressed in thyroid carcinoma cell lines and tissues. Br J Cancer. 2002 Dec 2;87(12):1479. [PubMed:12454780 ]
  8. Frye R: "SIRT8" expressed in thyroid cancer is actually SIRT7. Br J Cancer. 2002 Dec 2;87(12):1479. [PubMed:12454781 ]
  9. Ford E, Voit R, Liszt G, Magin C, Grummt I, Guarente L: Mammalian Sir2 homolog SIRT7 is an activator of RNA polymerase I transcription. Genes Dev. 2006 May 1;20(9):1075-80. Epub 2006 Apr 17. [PubMed:16618798 ]
  10. Grob A, Roussel P, Wright JE, McStay B, Hernandez-Verdun D, Sirri V: Involvement of SIRT7 in resumption of rDNA transcription at the exit from mitosis. J Cell Sci. 2009 Feb 15;122(Pt 4):489-98. doi: 10.1242/jcs.042382. Epub 2009 Jan 27. [PubMed:19174463 ]