1FN0
 
 | | STRUCTURE OF A MUTANT WINGED BEAN CHYMOTRYPSIN INHIBITOR PROTEIN, N14D. | | Descriptor: | CHYMOTRYPSIN INHIBITOR 3, SULFATE ION | | Authors: | Dattagupta, J.K, Chakrabarti, C, Ravichandran, S, Dasgupta, J, Ghosh, S. | | Deposit date: | 2000-08-19 | | Release date: | 2001-02-19 | | Last modified: | 2024-10-30 | | Method: | X-RAY DIFFRACTION (2 Å) | | Cite: | The role of Asn14 in the stability and conformation of the reactive-site loop of winged bean chymotrypsin inhibitor: crystal structures of two point mutants Asn14-->Lys and Asn14-->Asp.
PROTEIN ENG., 14, 2001
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1FMZ
 | | CRYSTAL STRUCTURE OF A MUTANT WINGED BEAN CHYMOTRYPSIN INHIBITOR PROTEIN, N14K. | | Descriptor: | CHYMOTRYPSIN INHIBITOR 3, SULFATE ION | | Authors: | Dattagupta, J.K, Chakrabarti, C, Ravichandran, S, Dasgupta, J, Ghosh, S. | | Deposit date: | 2000-08-19 | | Release date: | 2001-02-19 | | Last modified: | 2021-11-03 | | Method: | X-RAY DIFFRACTION (2.05 Å) | | Cite: | The role of Asn14 in the stability and conformation of the reactive-site loop of winged bean chymotrypsin inhibitor: crystal structures of two point mutants Asn14-->Lys and Asn14-->Asp.
PROTEIN ENG., 14, 2001
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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: | 2024-10-16 | | 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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1EYL
 | | STRUCTURE OF A RECOMBINANT WINGED BEAN CHYMOTRYPSIN INHIBITOR | | Descriptor: | CHYMOTRYPSIN INHIBITOR, SULFATE ION | | Authors: | Dattagupta, J.K, Chakrabarti, C, Ravichandran, S, Ghosh, S. | | Deposit date: | 2000-05-07 | | Release date: | 2000-05-24 | | Last modified: | 2024-10-16 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | The role of Asn14 in the stability and conformation of the reactive-site loop of winged bean chymotrypsin inhibitor: crystal structures of two point mutants Asn14-->Lys and Asn14-->Asp.
Protein Eng., 14, 2001
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2BEA
 | | Crystal structure of Asn14 to Gly mutant of WCI | | Descriptor: | Chymotrypsin inhibitor 3 | | Authors: | Dattagupta, J.K, Sen, U, Dasgupta, J, Khamrui, S. | | Deposit date: | 2005-10-24 | | Release date: | 2006-06-13 | | Last modified: | 2024-11-06 | | Method: | X-RAY DIFFRACTION (2.35 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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2BEB
 | | X-ray structure of Asn to Thr mutant of Winged Bean Chymotrypsin inhibitor | | Descriptor: | Chymotrypsin inhibitor 3 | | Authors: | Dattagupta, J.K, Sen, U, Dasgupta, J, Khamrui, S. | | Deposit date: | 2005-10-24 | | Release date: | 2006-06-13 | | Last modified: | 2021-10-20 | | Method: | X-RAY DIFFRACTION (2.81 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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1RYX
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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: | 2024-10-16 | | 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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2WBC
 | | REFINED CRYSTAL STRUCTURE (2.3 ANGSTROM) OF A WINGED BEAN CHYMOTRYPSIN INHIBITOR AND LOCATION OF ITS SECOND REACTIVE SITE | | Descriptor: | CHYMOTRYPSIN INHIBITOR | | Authors: | Dattagupta, J.K, Podder, A, Chakrabarti, C, Sen, U, Mukhopadhyay, D, Dutta, S.K, Singh, M. | | Deposit date: | 1997-11-26 | | Release date: | 1998-02-25 | | Last modified: | 2024-10-30 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | Refined crystal structure (2.3 A) of a double-headed winged bean alpha-chymotrypsin inhibitor and location of its second reactive site.
Proteins, 35, 1999
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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: | 2024-11-06 | | 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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3TNX
 | | Structure of the precursor of a thermostable variant of papain at 2.6 Angstroem resolution | | Descriptor: | CHLORIDE ION, Papain | | Authors: | Roy, S, Choudhury, D, Dattagupta, J.K, Biswas, S. | | Deposit date: | 2011-09-02 | | Release date: | 2012-09-12 | | Last modified: | 2024-10-30 | | Method: | X-RAY DIFFRACTION (2.62 Å) | | Cite: | The structure of a thermostable mutant of pro-papain reveals its activation mechanism
Acta Crystallogr.,Sect.D, 68, 2012
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3USV
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1XG6
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1IWD
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3BCN
 | | Crystal structure of a papain-like cysteine protease Ervatamin-A complexed with irreversible inhibitor E-64 | | Descriptor: | BETA-MERCAPTOETHANOL, Ervatamin-A, N-[N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO-BUTYL]-GUANIDINE | | Authors: | Ghosh, R, Chakrabarti, C, Dattagupta, J.K, Biswas, S. | | Deposit date: | 2007-11-13 | | Release date: | 2007-11-27 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (2.85 Å) | | Cite: | Structural insights into the substrate specificity and activity of ervatamins, the papain-like cysteine proteases from a tropical plant, Ervatamia coronaria
Febs J., 275, 2008
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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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1N04
 | | Diferric chicken serum transferrin at 2.8 A resolution. | | Descriptor: | CARBONATE ION, FE (III) ION, beta-L-fucopyranose, ... | | Authors: | Guha Thakurta, P, Choudhury, D, Dasgupta, R, Dattagupta, J.K. | | Deposit date: | 2002-10-11 | | Release date: | 2003-09-30 | | Last modified: | 2024-10-09 | | Method: | X-RAY DIFFRACTION (2.8 Å) | | Cite: | Structure of diferric hen serum transferrin at 2.8 A resolution.
Acta Crystallogr.,Sect.D, 59, 2003
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1NQP
 | | Crystal structure of Human hemoglobin E at 1.73 A resolution | | Descriptor: | CYANIDE ION, Hemoglobin alpha chain, Hemoglobin beta chain, ... | | Authors: | Dasgupta, J, Sen, U, Choudhury, D, Dutta, P, Basu, S, Chakrabarti, A, Chakrabarty, A, Dattagupta, J.K. | | Deposit date: | 2003-01-22 | | Release date: | 2004-03-02 | | Last modified: | 2023-08-16 | | Method: | X-RAY DIFFRACTION (1.73 Å) | | Cite: | Crystallization and preliminary X-ray structural Studies of Hemoglobin A2 and Hemoglobin E, isolated from the blood samples of Beta-thalassemic patients
Biochem.Biophys.Res.Commun., 303, 2004
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1O0E
 | | 1.9 Angstrom Crystal Structure of a plant cysteine protease Ervatamin C | | Descriptor: | Ervatamin C, THIOSULFATE | | Authors: | Thakurta, P.G, Chakrabarti, C, Biswas, S, Dattagupta, J.K. | | Deposit date: | 2003-02-21 | | Release date: | 2004-03-02 | | Last modified: | 2024-10-09 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Structural Basis of the Unusual Stability and Substrate Specificity of Ervatamin C, a Plant Cysteine Protease from Ervatamia coronaria
Biochemistry, 43, 2004
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2PNS
 | | 1.9 Angstrom resolution crystal structure of a plant cysteine protease Ervatamin-C refinement with cDNA derived amino acid sequence | | Descriptor: | Ervatamin-C, a papain-like plant cysteine protease, PHOSPHATE ION, ... | | Authors: | Ghosh, R, Guha Thakurta, P, Biswas, S, Chakrabarti, C, Dattagupta, J.K. | | Deposit date: | 2007-04-25 | | Release date: | 2007-06-19 | | Last modified: | 2023-08-30 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | A thermostable cysteine protease precursor from a tropical plant contains an unusual C-terminal propeptide: cDNA cloning, sequence comparison and molecular modeling studies.
Biochem.Biophys.Res.Commun., 362, 2007
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2PRE
 | | Crystal structure of plant cysteine protease Ervatamin-C complexed with irreversible inhibitor E-64 at 2.7 A resolution | | Descriptor: | Ervatamin-C, N-[N-[1-HYDROXYCARBOXYETHYL-CARBONYL]LEUCYLAMINO-BUTYL]-GUANIDINE, SULFATE ION | | Authors: | Ghosh, R, Chakrabarti, C, Dattagupta, J.K, Biswas, S. | | Deposit date: | 2007-05-04 | | Release date: | 2008-01-22 | | Last modified: | 2024-10-16 | | Method: | X-RAY DIFFRACTION (2.7 Å) | | Cite: | Structural insights into the substrate specificity and activity of ervatamins, the papain-like cysteine proteases from a tropical plant, Ervatamia coronaria.
Febs J., 275, 2008
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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: | 2024-10-16 | | 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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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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