Publications and Presentations

  1. Ajit B. Datta, Pinak Chakrabarti, H. S. Subramanya, and Pradeep Parrack (2001).Purification and crystallization of cII: An unstable transcription activator from phage l. Biochem. Biophys. Res. Comm. 288:997–1000.
  2. Ajit B. Datta , Siddartha Roy and Pradeep Parrack (2003). Disorder-order transition of lambda CII promoted by low concentrations of guanidine hydrochloride suggests a stable core and disordered C-terminal region. Eur. J. Biochem. 270:4439-4446
  3. Ajit B. Datta, Siddartha Roy and Pradeep Parrack (2005). Role of the C-terminal region of CII protein in its oligomerization and activity. J. Mol Biol. 345(2):315 -24.
  4. Lalita Das, Ajit B. Datta , Suvroma Gupta, Asim Poddar, Suparna Sengupta, Mark E. Janik, and Bhabatarak Bhattacharyya (2005). -NH-dansyl isocolchicine exhibits a significantly improved tubulin-binding affinity and microtubule inhibition in comparison to isocolchicine by binding tubulin through its A and B rings. Biochemistry 44(9):3249 -58.
  5. Ajit B. Datta, Santosh Panjikar, Manfred Weiss, Pinak Chakrabarti and Pradeep Parrack (2005). Structure of Lambda CII: Implications for recognition of direct repeat DNA by an unusual tetrameric organization. Proc. Natl. Acad. Sci. USA 102(32):11242 -7.
  6. Man-Hee Suh, Ping Ye, Ajit B Datta, Mincheng Zhang and Jianhua Fu (2005). An agarose-acrylamide composite native gel system suitable for separating ultra –large protein complexes. Anal Biochem. 343(1):166-75.
  7. Suvroma Gupta, Lalita Das, Ajit B. Datta , Asim Poddar, Mark E. Janik, and Bhabatarak Bhattacharyya (2006). Oxalone and lactone moieties of podophyllotoxin exhibit properties of both the B and C rings of colchicine in its binding with tubulin. Biochemistry. 45(20):6467-75.
  8. Sabyasachi Halder, Ajit B. Datta and Pradeep Parrack (2007). Probing the antiprotease activity of lambdaCIII, an inhibitor of the Escherichia coli metalloprotease HflB (FtsH). J Bacteriol. 189(22):8130-8.
  9. Dipak Dutta, Kaustav Bandopadhyay, Ajit B. Datta, Avijit Sardesai and Pradeep Parrack (2009). Properties of HflX, an enigmatic protein from Escherichia coli. J. Bacteriol. 191(7):2307-14.
  10. Ajit B. Datta, Greg L. Hura and Cynthia Wolberger (2009). The Structure and conformation of Lys-63 linked tetra-ubiquitin J. Mol. Biol. 392(5):1117-24.
  11. Pabitra K. Parua, Ajit B. Datta and Pradeep Parrack (2010). Specific hydrophobic residues in the alpha4 helix of lambdaCII are crucial for maintaining its tetrameric structure and directing the lysogenic choice. J. Gen. Virol. 91(1):306-12.
  12. Nadine L. Samara*, Ajit B. Datta*, Christopher E. Berndsen, Xiangbin Zhang, Tinting Yao, Robert Cohen & Cynthia Wolberger (2010). Structural insights into the assembly and function of the SAGA deubiquitinating module. Science 328(5981):1025-9. (published online on Apr 15, 2010). * contributed equally
  13. Kaustav Bandyopadhyay, Pabitra K. Parua, Ajit B. Datta & Pradeep Parrack (2010). Escherichia coli HflK and HflC can individually inhibit the HflB (FtsH)-mediated proteolysis of lambdaCII in vitro. Arch. Biochem. Biophys. 501(2):239-43.
  14. Kaustav Bandyopadhyay, Pabitra K. Parua, Ajit B. Datta, & Pradeep Parrack (2011). Studies on Escherichia coli HflKC suggest the presence of an unidentified λ factor that influences the lysis-lysogeny switch. BMC Microbiol. 11:34.
  15. CM Guzzo, CE Berndsen, J Zhu, V Gupta, A Datta, RA Greenberg, C Wolberger, MJ Matunis (2012). RNF4-dependent hybrid SUMO-ubiquitin chains are signals for RAP80 and thereby mediate the recruitment of BRCA1 to sites of DNA damage. Sci Signal. 5(253):ra88.
  16. N Chongdar, S Dasgupta, Ajit B Datta*, G Basu (2014). Preliminary X-ray crystallographic analysis of an engineered glutamyl-tRNA synthetase from Escherichia coli. Acta Crystallogr F Struct Biol Commun. 70(Pt 7):922-7.
  17. D Mukherjee, Ajit B Datta, P Chakrabarti (2014). Crystal structure of HlyU, the hemolysin gene transcription activator, from Vibrio cholerae N16961 and functional implications. Biochim Biophys Acta. 1844:2346-2354.
  18. A Saha, J Mukhopadhyay, Ajit B Datta, P Parrack (2015). Revisiting the mechanism of activation of cyclic AMP receptor protein (CRP) by cAMP in Escherichia coli: Lessons from a subunit-crosslinked form of CRP. FEBS Lett. 589:358-63.
  19. N Chongdar, S DasGupta, Ajit B Datta, G Basu (2015) Dispensability of zinc and the putative zinc-binding domain in bacterial glutamyl-tRNA synthetase. Biosci Rep. 35(2). pii: e00184.
  20. A Mondal, R Chattopadhyaya, Ajit B Datta, P Parrack.(2015) Crystallization and X-ray analysis of the transcription-activator protein C1 of bacteriophage P22 in complex with the PRE promoter element. Acta Cryst. F 71(Pt 10):1286-91.
  21. P.A. Banka, AP Behera, S Sarkar, Ajit B. Datta* (2015). E3 catalyzed self-ubiquitination attenuates the activity of Ube2E ubiquitin conjugating enzymes. J. Mol. Biol. 427 (13): 2290–2304.