Summary for Hst2 (NES ID: 212)

Full Name
NAD-dependent deacetylase HST2     UniProt    
Alternative Names
Homologous to SIR2 protein 2   
Organism
Saccharomyces cerevisiae (Baker's yeast)    
Experimental Evidence for CRM1-mediated Export
Mutations That Affect Nuclear Export
Mutations That Affect CRM1 Binding
Unknown
Functional Export Signals
Undetermined
Secondary Structure of Export Signal
Unknown
Other Residues Important for Export
Unknown
Sequence
Show FASTA Format Show Domain Info by CDD Show Secondary Structure by PSIPRED Show Conservation Score by AL2CO
10 20 30 40 50 60
MSVSTASTEM SVRKIAAHMK SNPNAKVIFM VGAGISTSCG IPDFRSPGTG LYHNLARLKL
70 80 90 100 110 120
PYPEAVFDVD FFQSDPLPFY TLAKELYPGN FRPSKFHYLL KLFQDKDVLK RVYTQNIDTL
130 140 150 160 170 180
ERQAGVKDDL IIEAHGSFAH CHCIGCGKVY PPQVFKSKLA EHPIKDFVKC DVCGELVKPA
190 200 210 220 230 240
IVFFGEDLPD SFSETWLNDS EWLREKITTS GKHPQQPLVI VVGTSLAVYP FASLPEEIPR
250 260 270 280 290 300
KVKRVLCNLE TVGDFKANKR PTDLIVHQYS DEFAEQLVEE LGWQEDFEKI LTAQGGMGDN
310 320 330 340 350
SKEQLLEIVH DLENLSLDQS EHESADKKDK KLQRLNGHDS DEDGASNSSS SQKAAKE
3D Structures in PDB
1Q14 (X-Ray,2.5 Å resolution)
Comments
Hst2 is a a homologue of SIR2 2 protein. It deacetylates histones in vivo and participates in the transcriptional repression of FLO10 through direct binding of its promoter. Despite its nuclear function, it is localized to the cytoplasm, which is a result of rapid nuclear export. Hst2 shared a 40% sequence identity to SIRT2 (NES ID 199). However, the two NESs don't align.
References
[1]. "Nuclear export modulates the cytoplasmic Sir2 homologue Hst2."
Wilson JM, Le VQ, Zimmerman C, Marmorstein R, Pillus L (2006) EMBO Rep, 7:1247-51 PubMed
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