1SHR
 
 | | Crystal structure of ferrocyanide bound human hemoglobin A2 at 1.88A resolution | | Descriptor: | CYANIDE ION, FE (III) ION, Hemoglobin alpha chain, ... | | Authors: | Sen, U, Dasgupta, J, Choudhury, D, Datta, P, Chakrabarti, A, Chakrabarty, S.B, Chakrabarty, A, Dattagupta, J.K. | | Deposit date: | 2004-02-26 | | Release date: | 2004-10-26 | | Last modified: | 2023-10-25 | | Method: | X-RAY DIFFRACTION (1.88 Å) | | Cite: | Crystal structures of HbA2 and HbE and modeling of hemoglobin delta4: interpretation of the thermal stability and the antisickling effect of HbA2 and identification of the ferrocyanide binding site in Hb
Biochemistry, 43, 2004
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1SI4
 | | Crystal structure of Human hemoglobin A2 (in R2 state) at 2.2 A resolution | | Descriptor: | CYANIDE ION, Hemoglobin alpha chain, Hemoglobin delta chain, ... | | Authors: | Sen, U, Dasgupta, J, Choudhury, D, Datta, P, Chakrabarti, A, Chakrabarty, S.B, Chakrabarty, A, Dattagupta, J.K. | | Deposit date: | 2004-02-27 | | Release date: | 2004-10-26 | | Last modified: | 2023-10-25 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Crystal structures of HbA2 and HbE and modeling of hemoglobin delta4: interpretation of the thermal stability and the antisickling effect of HbA2 and identification of the ferrocyanide binding site in Hb.
Biochemistry, 43, 2004
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1FVU
 | | CRYSTAL STRUCTURE OF BOTROCETIN | | Descriptor: | BOTROCETIN ALPHA CHAIN, BOTROCETIN BETA CHAIN, MAGNESIUM ION | | Authors: | Sen, U, Vasudevan, S, Subbarao, G, McClintoc, R.A, Celikel, R, Ruggeri, Z.M, Varughese, K.I. | | Deposit date: | 2000-09-20 | | Release date: | 2001-02-14 | | Last modified: | 2011-07-13 | | Method: | X-RAY DIFFRACTION (1.8 Å) | | Cite: | Crystal structure of the von Willebrand factor modulator botrocetin.
Biochemistry, 40, 2001
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4I4N
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4TLP
 | | Crystal structure of a alanine91 mutant of WCI | | Descriptor: | Chymotrypsin inhibitor 3 | | Authors: | Sen, U, Majumder, S. | | Deposit date: | 2014-05-30 | | Release date: | 2014-07-02 | | Last modified: | 2023-09-27 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | A conserved tryptophan (W91) at the barrel-lid junction modulates the packing and stability of Kunitz (STI) family of inhibitors.
Biochim.Biophys.Acta, 1854, 2015
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1XG6
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2QYI
 | | Crystal structure of a binary complex between an engineered trypsin inhibitor and Bovine trypsin | | Descriptor: | CALCIUM ION, Cationic trypsin, Chymotrypsin inhibitor 3, ... | | Authors: | Khamrui, S, Dasgupta, J, Dattagupta, J.K, Sen, U. | | Deposit date: | 2007-08-15 | | Release date: | 2008-08-19 | | Last modified: | 2021-11-10 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Crystal structure of a binary complex between an engineered trypsin inhibitor and Bovine trypsin
To be Published
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3I2A
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3I2X
 | | Crystal structure of a chimeric trypsin inhibitor having reactive site loop of ETI on the scaffold of WCI | | Descriptor: | Chymotrypsin inhibitor 3 | | Authors: | Sen, U, Khamrui, S, Dasgupta, J, Dattagupta, J.K, Majumder, S. | | Deposit date: | 2009-06-30 | | Release date: | 2010-02-02 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (2.85 Å) | | Cite: | Identification of a novel set of scaffolding residues that are instrumental for the inhibitory property of Kunitz (STI) inhibitors.
Protein Sci., 19, 2010
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3MXC
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3MXY
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3QYD
 | | Crystal structure of a recombinant chimeric trypsin inhibitor | | Descriptor: | Chymotrypsin inhibitor 3 | | Authors: | Sen, U, Majumder, S, Khamrui, S, Dasgupta, J. | | Deposit date: | 2011-03-03 | | Release date: | 2011-05-25 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (2.97 Å) | | Cite: | Role of remote scaffolding residues in the inhibitory loop pre-organization, flexibility, rigidification and enzyme inhibition of serine protease inhibitors
Biochim.Biophys.Acta, 1824, 2012
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3VEQ
 | | A binary complex betwwen bovine pancreatic trypsin and a engineered mutant trypsin inhibitor | | Descriptor: | CALCIUM ION, Cationic trypsin, Chymotrypsin inhibitor 3 | | Authors: | Sen, U, Majumder, S, Khamrui, S, Dasgupta, J. | | Deposit date: | 2012-01-09 | | Release date: | 2012-10-03 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (2.25 Å) | | Cite: | Role of remote scaffolding residues in the inhibitory loop pre-organization, flexibility, rigidification and enzyme inhibition of serine protease inhibitors
Biochim.Biophys.Acta, 1824, 2012
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4I46
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4WBC
 | | 2.13 A STRUCTURE OF A KUNITZ-TYPE WINGED BEAN CHYMOTRYPSIN INHIBITOR PROTEIN | | Descriptor: | PROTEIN (CHYMOTRYPSIN INHIBITOR), SULFATE ION | | Authors: | Ravichandran, S, Sen, U, Chakrabarti, C, Dattagupta, J.K. | | Deposit date: | 1999-03-04 | | Release date: | 1999-03-12 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (2.138 Å) | | Cite: | Cryocrystallography of a Kunitz-type serine protease inhibitor: the 90 K structure of winged bean chymotrypsin inhibitor (WCI) at 2.13 A resolution.
Acta Crystallogr.,Sect.D, 55, 1999
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4XDA
 | | Vibrio cholerae O395 Ribokinase complexed with Ribose, ADP and Sodium ion. | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, Ribokinase, SODIUM ION, ... | | Authors: | Paul, R, Patra, M.D, Sen, U. | | Deposit date: | 2014-12-19 | | Release date: | 2015-03-04 | | Last modified: | 2024-03-20 | | Method: | X-RAY DIFFRACTION (1.75 Å) | | Cite: | 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., 842, 2015
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4XCK
 | | Vibrio cholerae O395 Ribokinase complexed with ADP, Ribose and Cesium ion. | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, CESIUM ION, Ribokinase, ... | | Authors: | Paul, R, Patra, M.D, Sen, U. | | Deposit date: | 2014-12-18 | | Release date: | 2015-01-21 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (2.37 Å) | | Cite: | 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., 842, 2015
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4DVD
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3RX6
 | | Crystal structure of Polarity Suppression protein from Enterobacteria phage P4 | | Descriptor: | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, IODIDE ION, MERCURY (II) ION, ... | | Authors: | Banerjee, R, Nath, S, Khamrui, S, Sen, R, Sen, U. | | Deposit date: | 2011-05-10 | | Release date: | 2012-07-25 | | Last modified: | 2024-03-20 | | Method: | X-RAY DIFFRACTION (2.039 Å) | | Cite: | The first structure of polarity suppression protein, Psu from enterobacteria phage P4, reveals a novel fold and a knotted dimer
J.Biol.Chem., 287, 2012
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5YGG
 | | Crystal structure of Fructokinase Double-Mutant (T261C-H108C) from Vibrio cholerae O395 in fructose, ADP and potassium ion bound form | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, CALCIUM ION, Fructokinase, ... | | Authors: | Chatterjee, S, Paul, R, Nath, S, Sen, U. | | Deposit date: | 2017-09-22 | | Release date: | 2018-09-26 | | Last modified: | 2023-11-22 | | Method: | X-RAY DIFFRACTION (1.671 Å) | | Cite: | Large-scale conformational changes and redistribution of surface negative charge upon sugar binding dictate the fidelity of phosphorylation in Vibrio cholerae fructokinase.
Sci Rep, 8, 2018
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4X8F
 | | Vibrio cholerae O395 Ribokinase in apo form | | Descriptor: | Ribokinase | | Authors: | Paul, R, Patra, M.D, Sen, U. | | Deposit date: | 2014-12-10 | | Release date: | 2015-01-21 | | Last modified: | 2023-11-08 | | Method: | X-RAY DIFFRACTION (3.4 Å) | | Cite: | Crystal Structure of Apo and Ligand
Bound Vibrio choleraeRibokinase (Vc-RK):
Role of Monovalent Cation Induced Activation
and Structural Flexibility in Sugar
Phosphorylation
Adv Exp Med Biol., 842, 2015
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2ET2
 | | Crystal structure of an Asn to Ala mutant of Winged Bean Chymotrypsin Inhibitor protein | | Descriptor: | Chymotrypsin inhibitor 3, NICKEL (II) ION, SULFATE ION | | Authors: | Dattagupta, J.K, Sen, U, Dasgupta, J, Khamrui, S. | | Deposit date: | 2005-10-27 | | Release date: | 2006-06-13 | | Last modified: | 2021-10-20 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Spacer Asn Determines the Fate of Kunitz (STI) Inhibitors, as Revealed by Structural and Biochemical Studies on WCI Mutants.
Biochemistry, 45, 2006
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2ESU
 | | Crystal structure of Asn to Gln mutant of Winged Bean Chymotrypsin Inhibitor protein | | Descriptor: | Chymotrypsin inhibitor 3, NICKEL (II) ION, SULFATE ION | | Authors: | Dattagupta, J.K, Sen, U, Dasgupta, J, Khamrui, S. | | Deposit date: | 2005-10-27 | | Release date: | 2006-06-13 | | Last modified: | 2021-10-20 | | Method: | X-RAY DIFFRACTION (1.94 Å) | | Cite: | Spacer Asn Determines the Fate of Kunitz (STI) Inhibitors, as Revealed by Structural and Biochemical Studies on WCI Mutants.
Biochemistry, 45, 2006
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1WBC
 | | CRYSTALLIZATION AND PRELIMINARY X-RAY STUDIES OF PSOPHOCARPIN B1, A CHYMOTRYPSIN INHIBITOR FROM WINGED BEAN SEEDS | | Descriptor: | CHYMOTRYPSIN INHIBITOR (WCI) | | Authors: | Dattagupta, J.K, Podder, A, Chakrabarti, C, Sen, U, Dutta, S.K, Singh, M. | | Deposit date: | 1995-11-30 | | Release date: | 1996-04-03 | | Last modified: | 2017-11-29 | | Method: | X-RAY DIFFRACTION (2.95 Å) | | Cite: | Structure of a Kunitz-type chymotrypsin from winged bean seeds at 2.95 A resolution.
Acta Crystallogr.,Sect.D, 52, 1996
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5JZM
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