4I4N
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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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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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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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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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4I46
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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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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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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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4LRQ
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6IH7
| Crystal structure of a standalone versatile EAL protein from Vibrio cholerae O395 - 3',3'-cGAMP bound form | Descriptor: | 2-amino-9-[(2R,3R,3aS,5R,7aR,9R,10R,10aS,12R,14aR)-9-(6-amino-9H-purin-9-yl)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2H,7H-difuro[3,2-d:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecin-2-yl]-1,9-dihydro-6H-purin-6-one, CALCIUM ION, cyclic di nucleotide phoshodiesterase | Authors: | Yadav, M, Pal, K, Sen, U. | Deposit date: | 2018-09-28 | Release date: | 2019-10-02 | Last modified: | 2023-11-22 | Method: | X-RAY DIFFRACTION (2.25 Å) | Cite: | Structures of c-di-GMP/cGAMP degrading phosphodiesterase VcEAL: identification of a novel conformational switch and its implication. Biochem.J., 476, 2019
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6IFQ
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6IH1
| Crystal structure of a standalone versatile EAL protein from Vibrio cholerae O395 - c-di-GMP bound form | Descriptor: | 9,9'-[(2R,3R,3aS,5S,7aR,9R,10R,10aS,12S,14aR)-3,5,10,12-tetrahydroxy-5,12-dioxidooctahydro-2H,7H-difuro[3,2-d:3',2'-j][1,3,7,9,2,8]tetraoxadiphosphacyclododecine-2,9-diyl]bis(2-amino-1,9-dihydro-6H-purin-6-one), CALCIUM ION, cyclic di nucleotide phoshodiesterase | Authors: | Yadav, M, Pal, K, Sen, U. | Deposit date: | 2018-09-28 | Release date: | 2019-10-02 | Last modified: | 2024-03-27 | Method: | X-RAY DIFFRACTION (1.95 Å) | Cite: | Structures of c-di-GMP/cGAMP degrading phosphodiesterase VcEAL: identification of a novel conformational switch and its implication. Biochem.J., 476, 2019
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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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7V2V
| Crystal Structure of VpsR display novel dimeric architecture and c-di-GMP binding: mechanistic implications in oligomerization, ATPase activity and DNA binding. | Descriptor: | SULFATE ION, VpsR | Authors: | Chakrabortty, T, Sen, U, Chowdhury, S.R. | Deposit date: | 2021-08-10 | Release date: | 2022-04-06 | Last modified: | 2023-11-29 | Method: | X-RAY DIFFRACTION (3.194 Å) | Cite: | 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., 434, 2022
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7V2B
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