SAHA INSTITUTE OF NUCLEAR PHYSICS
Department of Atomic Energy, Govt. of India
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Prof. Udayaditya Sen

Professor
Room No : 305
Ext. : 1306
Email id : udayaditya.sen[AT]saha.ac.in
Division :
Papers in Journals
Selected Publications
  1. Chakrabortty T, Roy Chowdhury S, Ghosh B, Sen U. Crystal Structure of VpsR Revealed Novel Dimeric Architecture and c-di-GMP Binding Site: Mechanistic Implications in Oligomerization, ATPase Activity and DNA Binding. J Mol Biol. 2022 Jan 30;434(2):167354.
  2. Chatterjee S, Nath S, Sen U. High resolution structure of Vibrio cholera acylphosphatase (VcAcP) cage: Identification of drugs, location of its binding site and engineering to facilitate cage formation. BBRC. 2020 Mar 5;523(2):348-353.
  3. Pal K, Yadav M, Jain S, Ghosh B, Sen R, Sen U. Vibrio cholerae YaeO is a Structural Homologue of RNA Chaperone Hfq that Inhibits Rho-dependent Transcription Termination by Dissociating its Hexameric State.    J Mol Biol. 2019 Dec 6;431(24):4749-4766.
  4. Yadav M, Pal K, Sen U. Structures of c-di-GMP/cGAMP degrading phosphodiesterase VcEAL: identification of a novel conformational switch and its implication. Biochem J. 2019 Nov 15;476(21):3333-3353.
  5. Chatterjee S, Nath S, Ghosh B, Sen U. Vibrio cholerae LMWPTP-2 display unique surface charge and grooves around the active site: Indicative of distinctive substrate specificity and scope to design specific inhibitor. BBA Proteins Proteom. 2018 Nov 14;1867(2):114-124.
  6.  Paul R, Chatterjee S, Nath S, Sen U. Large-scale conformational changes and redistribution of surface negative charge upon sugar binding dictate the fidelity of phosphorylation in Vibrio cholerae fructokinase. Sci Rep. 2018 Nov 16;8(1):16925.
  7.  Chowdhury SR, Sen U. Crystal structure of heat shock protein 15 (Hsp15) from Vibrio cholerae: Novel mode of trimerization and nucleic acid binding properties. BBRC 2018 Mar 18;497(4):1076-1081.
  8. Das S, Roy Chowdhury SR, Dey S, Sen U. Structural and biochemical studies on Vibrio cholerae Hsp31 reveals a novel dimeric form and Glutathione-independent Glyoxalase activity. PLoS One. 2017 Feb 24;12(2):e0172629.
  9. Waugh B, Sen U, Banerjee R. Crystal structure of phosphoglucomutase from Leishmania major at 3.5Å resolution. Biochimie. 2016 Feb;121:102-11
  10. Dey S, Biswas M, Sen U, Dasgupta J. Unique ATPase site architecture triggers cis-mediated synchronized ATP binding in heptameric AAA+-ATPase domain of flagellar regulatory protein FlrC. J Biol Chem. 2015 Apr 3;290(14):8734-47.
  11. Majumder S, Khamrui S, Banerjee R, Bhowmik P, Sen U. A conserved tryptophan (W91) at the barrel-lid junction modulates the packing and stability of Kunitz(STI) family of inhibitors. BBA Prot & Proteomics 2015 Jan;1854(1):55-64.
  12.  Paul R, Patra MD, Sen U. Crystal structure of apo and ligand bound vibrio cholerae ribokinase (Vc-RK): role of monovalent cation induced activation and structural flexibility in sugar phosphorylation. Adv Exp Med Biol. 2015;842:293-307.
  13. Paul R, Dandopath Patra M, Banerjee R, Sen U. Crystallization and preliminary X-ray analysis of a ribokinase from Vibrio cholerae O395. Acta Crystallogr F Struct Biol Commun. 2014 Aug;70(Pt 8):1098-102.
  14.  
  15.  Nath S, Banerjee R, Sen U. Atomic resolution crystal structure of VcLMWPTP-1 from Vibrio cholerae O395: insights into a novel mode of dimerization in the low molecular weight protein tyrosine phosphatase family. BBRC. 2014 Jul 18;450(1):390-5. doi: 10.1016/j.bbrc.2014.05.129.
  16. Ranjan A, Banerjee R, Pani B, Sen U, Sen R. The moonlighting function of bacteriophage P4 capsid protein, Psu, as a transcription antiterminator. Bacteriophage. 2013 Apr 1;3(2):e25657.
  17. Biswas M, Dey S, Khamrui S, Sen U, Dasgupta J. Conformational barrier of CheY3 and inability of CheY4 to bind FliM control the flagellar motor action in Vibrio cholerae. PLoS One. 2013 Sep 16;8(9):e73923.
  18. Nath S, Banerjee R, Sen U. A Novel 8-nm Protein Cage Formed by Vibrio cholerae Acylphosphatase. J Mol Biol. 2014 Jan 9;426(1):36-8.
  19. Ranjan A, Sharma S, Banerjee R, Sen U, Sen R. Structural and mechanistic basis of anti-termination of Rho-dependent transcription termination by bacteriophage P4 capsid protein Psu. Nucleic Acids Res. 2013 Aug;41(14):6839-56.
  20. Paul R, Nath S, Sen U. Cloning, expression, purification, crystallization and  preliminary X-ray analysis of a fructokinase from Vibrio cholerae O395. Acta Cryst. F. 2012 Dec 1;68(Pt 12):1564-7.
  21. Banerjee R, Nath S, Ranjan A, Khamrui S, Pani B, Sen R, Sen U. The first structure of polarity suppression protein, psu from enterobacteria phage p4, reveals a novel fold and a knotted dimer. J Biol Chem. 2012 Dec 28;287(53):44667-75.
  22. Nath S, Banerjee R, Khamrui S, Sen U. Cloning, purification, crystallizationand preliminary X-ray analysis of two low-molecular-weight protein tyrosinephosphatases from Vibrio cholerae. Acta Cryst. F. 2012 Oct 1;68(Pt 10):1204-8.
  23. Das S, Ghosh S, Dasgupta D, Sen U, Mukhopadhyay D. Biophysical Studies with AICD-47 Reveals Unique Binding Behavior Characteristic of an Unfolded Domain. BBRC. 2012 Jul 21
  24. Majumder S, Khamrui S, Dasgupta J, Dattagupta JK, Sen U. Role of remote scaffolding residues in the inhibitory loop pre-organization, flexibility, rigidification and enzyme inhibition of serine protease inhibitors. BBA proteins & Proteomics. 2012 Jul;1824(7):882-90.
  25. Biswas M, Khamrui S, Sen U, Dasgupta J. Overexpression, purification, crystallization and preliminary X-ray analysis of CheY4 from Vibrio cholerae O395. Acta Cryst. F. 2011 Dec 1;67(Pt 12):1645-8.
  26. Das S, Dey S, Roy T, Sen U. Cloning, expression, purification, crystallization and preliminary X-ray analysis of the 31 kDa Vibrio cholerae heat-shock protein VcHsp31. Acta Cryst. F. 2011 Nov 1;67(Pt 11):1382-5.
  27. Dasgupta J and Sen U. Structural aspects of strong inhibition and role of scaffold for serine protease inhibitors. Journal of Proteins and Proteomics. 2011 Vol 2 No 2
  28. Das S, Raychaudhuri M, Sen U, Mukhopadhyay D. Functional implications of the conformational switch in AICD peptide upon binding to Grb2-SH2 domain. J Mol Biol. 2011 Nov 25;414(2):217-30.
  29. Khamrui S, Biswas M, Sen U, Dasgupta J. Cloning, overexpression, purification, crystallization and preliminary X-ray analysis of CheY3, a response regulator that directly interacts with the flagellar 'switch complex' in Vibrio cholerae. Acta Cryst. F 2010 Aug 1;66(Pt 8):944-7.
  30. Khamrui S, Ranjan A, Pani B, Sen R, Sen U. Crystallization and preliminary X-ray analysis of Psu, an inhibitor of the bacterial transcription terminator Rho. Acta Cryst. F. 2010 Feb 1;66(Pt 2):204-6.
  31. Khamrui S, Majumder S, Dasgupta J, Dattagupta JK, Sen U. Identification of a novel set of scaffolding residues that are instrumental for the inhibitory property of Kunitz (STI) inhibitors. Protein Sci. 2010 Mar;19(3):593-602.
  32. Tsai SJ, Sen U, Zhao L, Greenleaf WB, Dasgupta J, Fiorillo E, Orrú V, Bottini  N, Chen XS. Crystal structure of the human lymphoid tyrosine phosphatase catalytic domain: insights into redox regulation. Biochemistry. 2009 Jun 9;48(22):4838-45.
  33. Holden LG, Prochnow C, Chang YP, Bransteitter R, Chelico L, Sen U, Stevens RC, Goodman MF, Chen XS. Crystal structure of the anti-viral APOBEC3G catalytic domain and functional implications. Nature. 2008 Nov 6;456(7218):121-4.
  34. Choudhury SR, Gomes A, Gomes A, Dattagupta JK, Sen U. Purification, crystallization and preliminary X-ray structural studies of a 7.2 kDa cytotoxin isolated from the venom of Daboia russelli russelli of the Viperidae family. Acta Cryst. F. 2006 Mar 1;62(Pt 3):292-4.
  35. Banerjee M, Majumder P, Bhattacharyya NP, Dattagupta JK, Sen U. Cloning, expression, purification, crystallization and preliminary crystallographic analysis of pseudo death-effector domain of HIPPI, a molecular partner of Huntingtin-interacting protein HIP-1. Acta Cryst. F. 2006 Dec 1;62(Pt 12):1247-50.
  36. Dasgupta J, Khamrui S, Dattagupta JK, Sen U. Spacer Asn determines the fate of Kunitz (STI) inhibitors, as revealed by structural and biochemical studies on  WCI mutants. Biochemistry. 2006 Jun 6;45(22):6783-92.
  37. Khamrui S, Dasgupta J, Dattagupta JK, Sen U. Single mutation at P1 of a chymotrypsin inhibitor changes it to a trypsin inhibitor: X-ray structural (2.15 A) and biochemical basis. 2005 BBA proteins & Proteomics Aug 31;1752(1):65-72.
  38. Sen U, Dasgupta J, Choudhury D, Datta P, Chakrabarti A, Chakrabarty SB, Chakrabarty A, Dattagupta JK. Crystal structures of HbA2 and HbE and modeling of hemoglobin delta 4: interpretation of the thermal stability and the antisickling  effect of HbA2 and identification of the ferrocyanide binding site in Hb. Biochemistry. 2004 Oct 5;43(39):12477-88.
  39. Mukhopadhyay D, Sen U, Zapf J, Varughese KI. Metals in the sporulation phosphorelay: manganese binding by the response regulator Spo0F. Acta Cryst. D. 2004 Apr;60(Pt 4):638-45. Epub 2004 Mar 23.
  40. Dasgupta J, Sen U, Dattagupta JK. In silico mutations and molecular dynamics  studies on a winged bean chymotrypsin inhibitor protein. Protein Eng. 2003 Jul;16(7):489-96.
  41. Dasgupta J, Sen U, Choudhury D, Datta P, Chakrabarti A, Chakrabarty SB, Chakrabarty A, Dattagupta JK. Crystallization and preliminary X-ray structural studies of hemoglobin A2 and hemoglobin E, isolated from the blood samples of beta-thalassemic patients. BBRC. 2003 Apr 4;303(2):619-23.
  42. Choudhury D, Thakurta PG, Dasgupta R, Sen U, Biswas S, Chakrabarti C, Dattagupta JK. Purification and preliminary X-ray studies on hen serotransferrin  in apo- and holo-forms. BBRC. 2002 Jul 5;295(1):125-8.
  43. Zapf J, Sen U, Madhusudan, Hoch JA, Varughese KI. A transient interaction between two phosphorelay proteins trapped in a crystal lattice reveals the mechanism of molecular recognition and phosphotransfer in signal transduction. Structure. 2000 Aug 15;8(8):851-62.
  44. Sen U, Vasudevan S, Subbarao G, McClintock RA, Celikel R, Ruggeri ZM, Varughese KI. Crystal structure of the von Willebrand factor modulator botrocetin. Biochemistry. 2001 Jan 16;40(2):345-52.
  45. Ravichandran S, Sen U, Chakrabarti C, Dattagupta JK. Cryocrystallography of a Kunitz-type serine protease inhibitor: the 90 K structure of winged bean chymotrypsin inhibitor (WCI) at 2.13 A resolution. Acta Cryst. D. 1999 Nov;55(Pt 11):1814-21.
  46. Dattagupta JK, Podder A, Chakrabarti C, Sen U, Mukhopadhyay D, Dutta SK, Singh M. Refined crystal structure (2.3 A) of a double-headed winged bean alpha-chymotrypsin inhibitor and location of its second reactive site. Proteins.  1999 May 15;35(3):321-31.
  47. Dattagupta JK, Podder A, Chakrabarti C, Sen U, Dutta SK, Singh M. Structure of a Kunitz-type chymotrypsin from winged bean seeds at 2.95 A resolution. Acta Cryst. D. 1996 May 1;52(Pt 3):521-8.

 

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