2.2A resolution structure of Proteasome Assembly Chaperone Hsm32.2A resolution structure of Proteasome Assembly Chaperone Hsm3

Structural highlights

4fp7 is a 2 chain structure with sequence from Saccharomyces cerevisiae S288C. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:X-ray diffraction, Resolution 2.2Å
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

HSM3_YEAST Involved in DNA mismatch repair in slow-growing cells. Acts as a chaperone during the assembly of the 26S proteasome, specifically of the base subcomplex of the 19S regulatory complex (RC).[1] [2] [3] [4] [5] [6] [7]

See Also

References

  1. Fedorova IV, Gracheva LM, Kovaltzova SV, Evstuhina TA, Alekseev SY, Korolev VG. The yeast HSM3 gene acts in one of the mismatch repair pathways. Genetics. 1998 Mar;148(3):963-73. PMID:9539417
  2. Merker JD, Datta A, Kolodner RD, Petes TD. The yeast HSM3 gene is not involved in DNA mismatch repair in rapidly dividing cells. Genetics. 2000 Jan;154(1):491-3. PMID:10681182
  3. Fedorova IV, Kovaltzova SV, Korolev VG. The yeast HSM3 gene is involved in DNA mismatch repair in slowly dividing cells. Genetics. 2000 Jan;154(1):495-6. PMID:10681183
  4. Fedorova IV, Kovaltzova SV, Gracheva LM, Evstuhina TA, Korolev VG. Requirement of HSM3 gene for spontaneous mutagenesis in Saccharomyces cerevisiae. Mutat Res. 2004 Oct 4;554(1-2):67-75. PMID:15450405 doi:10.1016/j.mrfmmm.2004.03.003
  5. Funakoshi M, Tomko RJ Jr, Kobayashi H, Hochstrasser M. Multiple assembly chaperones govern biogenesis of the proteasome regulatory particle base. Cell. 2009 May 29;137(5):887-99. Epub 2009 May 14. PMID:19446322 doi:S0092-8674(09)00526-1
  6. Le Tallec B, Barrault MB, Guerois R, Carre T, Peyroche A. Hsm3/S5b participates in the assembly pathway of the 19S regulatory particle of the proteasome. Mol Cell. 2009 Feb 13;33(3):389-99. doi: 10.1016/j.molcel.2009.01.010. PMID:19217412 doi:10.1016/j.molcel.2009.01.010
  7. Roelofs J, Park S, Haas W, Tian G, McAllister FE, Huo Y, Lee BH, Zhang F, Shi Y, Gygi SP, Finley D. Chaperone-mediated pathway of proteasome regulatory particle assembly. Nature. 2009 Jun 11;459(7248):861-5. PMID:19412159 doi:nature08063

4fp7, resolution 2.20Å

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