Michael Joseph Matunis, Ph.D.

  • Joint Appointment in Cell Biology

Research Interests

Biochemistry; Molecular biology; Cell biology; Small ubiquitin-like modifier (SUMO) proteins; Molecular mechanisms and functions of SUMOylation; Nuclear pore complexes; Mitosis; Malaria; Human immunodeficiency virus (HIV); Ubiquitin; Control of nucleocytoplasmic transport ...read more


Dr. Michael J. Matunis holds a joint appointment in cell biology at the Johns Hopkins University School of Medicine. He is a professor of biochemistry and molecular biology at the Johns Hopkins University Bloomberg School of Public Health. His research focuses on the roles played by ubiquitin-like modifiers in regulating the localization and function of DNA repair proteins.

Dr. Matunis received his B.S. in biochemistry from the Pennsylvania State University. He earned his Ph.D. in molecular and cell biology from Northwestern University. He completed a research fellowship and postdoctoral fellowship, both in molecular and cell biology, at the University of Pennsylvania and Rockefeller University, respectively. Dr. Matunis joined the Johns Hopkins faculty in 1998.

He is a member of the American Society for Biochemistry and Molecular Biology, the 

American Society for Cell Biology and the American Association for the Advancement of Science. He was elected a fellow of the American Association for the Advancement of Science in 2015.

...read more


  • Joint Appointment in Cell Biology
  • Joint Appointment in Oncology

Departments / Divisions

Centers & Institutes



  • Ph.D.; Northwestern University (Illinois) (1992)
  • B.S.; Pennsylvania State University (Pennsylvania) (1986)

Research & Publications

Selected Publications

McLaughlin D, Coey CT, Yang WC, Drohat AC, Matunis MJ. “Characterizing requirements for small ubiquitin-like modifier (sumo) modification and binding on base excision repair activity of thymine-DNA glycosylase in vivo.” J Biol Chem. 2016 Apr 22;291(17):9014-24. doi: 10.1074/jbc.M115.706325. Epub 2016 Feb 25.

Reiter KH, Ramachandran A, Xia X, Boucher LE, Bosch J, Matunis MJ. “Characterization and structural insights into selective E1-E2 interactions in the human and plasmodium falciparum SUMO conjugation systems.” J Biol Chem. 2016 Feb 19;291(8):3860-70. doi: 10.1074/jbc.M115.680801. Epub 2015 Dec 23.

Zhang K, Donnelly CJ, Haeusler AR, Grima JC, Machamer JB, Steinwald P, Daley EL, Miller SJ, Cunningham KM, Vidensky S, Gupta S, Thomas MA, Hong I, Chiu SL, Huganir RL, Ostrow LW, Matunis MJ, Wang J, Sattler R, Lloyd TE, Rothstein JD. “The C9orf72 repeat expansion disrupts nucleocytoplasmic transport.” Nature. 2015 Sep 3;525(7567):56-61. doi: 10.1038/nature14973. Epub 2015 Aug 26.

Cubeñas-Potts C, Srikumar T, Lee C, Osula O, Subramonian D, Zhang XD, Cotter RJ, Raught B, Matunis MJ. “Identification of SUMO-2/3-modified proteins associated with mitotic chromosomes.” Proteomics. 2015 Feb;15(4):763-72. doi: 10.1002/pmic.201400400. Epub 2015 Jan 7.

Guzzo CM, Ringel A, Cox E, Uzoma I, Zhu H, Blackshaw S, Wolberger C, Matunis MJ. “Characterization of the SUMO-binding activity of the myeloproliferative and mental retardation (MYM)-type zinc fingers in ZNF261 and ZNF198.” PLoS One. 2014 Aug 18;9(8):e105271. doi: 10.1371/journal.pone.0105271. eCollection 2014.

Wiener R, DiBello AT, Lombardi PM, Guzzo CM, Zhang X, Matunis MJ, Wolberger C. “E2 ubiquitin-conjugating enzymes regulate the deubiquitinating activity of OTUB1.” Nat Struct Mol Biol. 2013 Sep;20(9):1033-9. doi: 10.1038/nsmb.2655. Epub 2013 Aug 18.

Zhu J, Zhu S, Guzzo CM, Ellis NA, Sung KS, Choi CY, Matunis MJ. “Small ubiquitin-related modifier (SUMO) binding determines substrate recognition and paralog-selective SUMO modification.” J Biol Chem. 2008 Oct 24;283(43):29405-15. doi: 10.1074/jbc.M803632200. Epub 2008 Aug 15.

Eladad S, Ye TZ, Hu P, Leversha M, Beresten S, Matunis MJ, Ellis NA. “Intra-nuclear trafficking of the BLM helicase to DNA damage-induced foci is regulated by SUMO modification.” Hum Mol Genet. 2005 May 15;14(10):1351-65. Epub 2005 Apr 13.

Bernier-Villamor V, Sampson DA, Matunis MJ, Lima CD. “Structural basis for E2-mediated SUMO conjugation revealed by a complex between ubiquitin-conjugating enzyme Ubc9 and RanGAP1.” Cell. 2002 Feb 8;108(3):345-56.

Sampson DA, Wang M, Matunis MJ. “The small ubiquitin-like modifier-1 (SUMO-1) consensus sequence mediates Ubc9 binding and is essential for SUMO-1 modification.” J Biol Chem. 2001 Jun 15;276(24):21664-9. Epub 2001 Mar 19.

Academic Affiliations & Courses

Courses and Syllabi

  • Special Studies - Current Topics in BMB (120.872.01)
    Johns Hopkins Bloomberg School of Public Health
  • Principles of Cell Biology (120.626.01)
    Johns Hopkins Bloomberg School of Public Health

Activities & Honors


  • Fellow, American Association for the Advancement of Science, 2015
  • Research Scholar Award, American Cancer Society, 2003
  • Faculty Innovation Award, Johns Hopkins University Bloomberg School of Public Health, 1998
  • Post-doctoral Research Fellowship, American Cancer Society-Amgen, 1994 - 1997


  • American Society for Biochemistry and Molecular Biology, 2006
  • American Society for Cell Biology, 1996
  • American Association for the Advancement of Science, 1998

Professional Activities

  • Editorial Board, Journal of Biological Chemistry, 2006 - 2011
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