2BAX
 
 | | Atomic Resolution Structure of the Double Mutant (K53,56M) of Bovine Pancreatic Phospholipase A2 | | Descriptor: | (4R)-2-METHYLPENTANE-2,4-DIOL, (4S)-2-METHYL-2,4-PENTANEDIOL, CALCIUM ION, ... | | Authors: | Sekar, K, Yogavel, M, Velmurugan, D, Dauter, Z, Dauter, M, Tsai, M.D. | | Deposit date: | 2005-10-15 | | Release date: | 2005-10-25 | | Last modified: | 2023-08-23 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | Atomic resolution (0.97 A) structure of the triple mutant (K53,56,121M) of bovine pancreatic phospholipase A2.
Acta Crystallogr.,Sect.F, 61, 2005
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2B96
 | | Third Calcium ion found in an inhibitor bound phospholipase A2 | | Descriptor: | 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL, 4-METHOXYBENZOIC ACID, CALCIUM ION, ... | | Authors: | Sekar, K, Velmurugan, D, Yamane, T, Tsai, M.D. | | Deposit date: | 2005-10-11 | | Release date: | 2006-03-28 | | Last modified: | 2023-08-23 | | Method: | X-RAY DIFFRACTION (1.7 Å) | | Cite: | Third Calcium ion found in an inhibitor bound phospholipase A2
Acta Crystallogr.,Sect.D, 62, 2006
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1O2E
 | | Structure of the triple mutant (K53,56,120M) + Anisic acid complex of phospholipase A2 | | Descriptor: | 4-METHOXYBENZOIC ACID, CALCIUM ION, Phospholipase A2 | | Authors: | Sekar, K, Velmurugan, D, Tsai, M.D. | | Deposit date: | 2003-03-05 | | Release date: | 2003-09-09 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Crystal structures of the free and anisic acid bound triple mutant of phospholipase A2.
J.Mol.Biol., 333, 2003
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1O3W
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1C74
 | | Structure of the double mutant (K53,56M) of phospholipase A2 | | Descriptor: | CALCIUM ION, PHOSPHOLIPASE A2 | | Authors: | Sekar, K, Tsai, M.D, Jain, M.K, Ramakumar, S. | | Deposit date: | 2000-01-22 | | Release date: | 2000-07-22 | | Last modified: | 2023-08-09 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Structural basis of the anionic interface preference and k*cat activation of pancreatic phospholipase A2.
Biochemistry, 39, 2000
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1GH4
 | | Structure of the triple mutant (K56M, K120M, K121M) of phospholipase A2 | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, CALCIUM ION, PHOSPHOLIPASE A2 | | Authors: | Sekar, K, Velmurugan, D, Tsai, M.D. | | Deposit date: | 2000-11-09 | | Release date: | 2001-05-09 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Observation of additional calcium ion in the crystal structure of the triple mutant K56,120,121M of bovine pancreatic phospholipase A2.
J.Mol.Biol., 324, 2002
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2BD1
 | | A possible role of the second calcium ion in interfacial binding: Atomic and medium resolution crystal structures of the quadruple mutant of phospholipase A2 | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, CALCIUM ION, Phospholipase A2 | | Authors: | Sekar, K, Velmurugan, D, Tsai, M.D. | | Deposit date: | 2005-10-19 | | Release date: | 2006-07-04 | | Last modified: | 2023-08-23 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Suggestive evidence for the involvement of the second calcium and surface loop in interfacial binding: monoclinic and trigonal crystal structures of a quadruple mutant of phospholipase A(2).
Acta Crystallogr.,Sect.D, 62, 2006
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2BCH
 | | A possible of Second calcium ion in interfacial binding: Atomic and Medium resolution crystal structures of the quadruple mutant of phospholipase A2 | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, CALCIUM ION, CHLORIDE ION, ... | | Authors: | Sekar, K, Yogavel, M, Velmurugan, D, Poi, M.J, Dauter, Z, Tsai, M.D. | | Deposit date: | 2005-10-19 | | Release date: | 2006-07-04 | | Last modified: | 2023-08-23 | | Method: | X-RAY DIFFRACTION (1.1 Å) | | Cite: | Suggestive evidence for the involvement of the second calcium and surface loop in interfacial binding: monoclinic and trigonal crystal structures of a quadruple mutant of phospholipase A(2).
Acta Crystallogr.,Sect.D, 62, 2006
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1VL9
 | | Atomic resolution (0.97A) structure of the triple mutant (K53,56,121M) of bovine pancreatic phospholipase A2 | | Descriptor: | (4R)-2-METHYLPENTANE-2,4-DIOL, (4S)-2-METHYL-2,4-PENTANEDIOL, CALCIUM ION, ... | | Authors: | Sekar, K, Velmurugan, D, Rajakannan, V, Gayathri, D, Poi, M.-J, Tsai, M.-D, Dauter, M, Dauter, Z. | | Deposit date: | 2004-07-15 | | Release date: | 2004-10-19 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (0.97 Å) | | Cite: | Atomic resolution (0.97 A) structure of the triple mutant (K53,56,121M) of bovine pancreatic phospholipase A2.
Acta Crystallogr.,Sect.F, 61, 2005
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1VKQ
 | | A re-determination of the structure of the triple mutant (K53,56,120M) of phospholipase A2 at 1.6A resolution using sulphur-SAS at 1.54A wavelength | | Descriptor: | (4S)-2-METHYL-2,4-PENTANEDIOL, CALCIUM ION, CHLORIDE ION, ... | | Authors: | Sekar, K, Velmurugan, D, Rajakannan, V, Yamane, T, Dauter, M, Dauter, Z. | | Deposit date: | 2004-06-12 | | Release date: | 2004-08-31 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (1.6 Å) | | Cite: | A redetermination of the structure of the triple mutant (K53,56,120M) of phospholipase A2 at 1.6 A resolution using sulfur-SAS at 1.54 A wavelength.
Acta Crystallogr.,Sect.D, 60, 2004
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6KC2
 | | Crystal Structure of Lectin from Pleurotus ostreatus in complex with Rhamnose | | Descriptor: | 2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose, CALCIUM ION, Lectin, ... | | Authors: | Gunasekaran, K, Pletnev, S, Luo, Z, Vajravijayan, S, Nandhagopal, N. | | Deposit date: | 2019-06-26 | | Release date: | 2020-08-05 | | Last modified: | 2023-11-22 | | Method: | X-RAY DIFFRACTION (2.246 Å) | | Cite: | Crystallographic and calorimetric analysis on Pleurotus ostreatus lectin and its sugar complexes - promiscuous binding driven by geometry.
Int.J.Biol.Macromol., 152, 2020
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2JB7
 | | PAE2307 with AMP | | Descriptor: | 4-(2-HYDROXYETHYL)-1-PIPERAZINE ETHANESULFONIC ACID, ACETATE ION, ADENOSINE MONOPHOSPHATE, ... | | Authors: | Rajasekaran, K, Lott, J.S, Johnston, J.M. | | Deposit date: | 2006-12-04 | | Release date: | 2008-08-05 | | Last modified: | 2023-12-13 | | Method: | X-RAY DIFFRACTION (1.65 Å) | | Cite: | Pae2307 a Phosphotransferase
To be Published
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1X3F
 | | Crystal structure of the single-stranded DNA-binding protein from Mycobacterium SMEGMATIS | | Descriptor: | CADMIUM ION, Single-strand binding protein | | Authors: | Saikrishnan, K, Manjunath, G.P, Singh, P, Jeyakanthan, J, Dauter, Z, Sekar, K, Muniyappa, K, Vijayan, M. | | Deposit date: | 2005-05-05 | | Release date: | 2005-08-15 | | Last modified: | 2024-03-13 | | Method: | X-RAY DIFFRACTION (2.7 Å) | | Cite: | Structure of Mycobacterium smegmatis single-stranded DNA-binding protein and a comparative study involving homologus SSBs: biological implications of structural plasticity and variability in quaternary association.
Acta Crystallogr.,Sect.D, 61, 2005
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1WS5
 | | Crystal structure of Jacalin-Me-alpha-Mannose complex: Promiscuity vs Specificity | | Descriptor: | Agglutinin alpha chain, Agglutinin beta-3 chain, methyl alpha-D-mannopyranoside | | Authors: | Jeyaprakash, A.A, Jayashree, G, Mahanta, S.K, Sekar, K, Surolia, A, Vijayan, M. | | Deposit date: | 2004-10-31 | | Release date: | 2005-03-29 | | Last modified: | 2023-10-25 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Structural basis for the energetics of jacalin-sugar interactions: promiscuity versus specificity
J.Mol.Biol., 347, 2005
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3MCJ
 | | Crystal structure of molybdenum cofactor biosynthesis (AQ_061) other form from aquifex aeolicus VF5 | | Descriptor: | 1,2-ETHANEDIOL, Molybdenum cofactor biosynthesis MOG | | Authors: | Jeyakanthan, J, Kanaujia, S.P, Sekar, K, Agari, Y, Ebihara, A, Kuramitsu, S, Shinkai, A, Yokoyama, S, RIKEN Structural Genomics/Proteomics Initiative (RSGI) | | Deposit date: | 2010-03-29 | | Release date: | 2011-01-19 | | Last modified: | 2023-11-01 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Crystal structures, dynamics and functional implications of molybdenum-cofactor biosynthesis protein MogA from two thermophilic organisms
Acta Crystallogr.,Sect.F, 67, 2011
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3CQ2
 | | Structure of the DTDP-4-Keto-L-Rhamnose Reductase related protein (other form) from Thermus Thermophilus HB8 | | Descriptor: | Putative uncharacterized protein TTHB138 | | Authors: | Jeyakanthan, J, Kanaujia, S.P, Sekar, K, Satoh, S, Kitamura, Y, Ebihara, A, Chen, L, Liu, Z.J, Wang, B.C, Yokoyama, S, Kuramitsu, S, RIKEN Structural Genomics/Proteomics Initiative (RSGI) | | Deposit date: | 2008-04-02 | | Release date: | 2009-04-07 | | Last modified: | 2023-11-15 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Structure of the DTDP-4-Keto-L-Rhamnose Reductase related protein from Thermus Thermophilus HB8
To be Published
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3CQ3
 | | Structure of the DTDP-4-Keto-L-Rhamnose Reductase related protein (other form) from Thermus Thermophilus HB8 | | Descriptor: | GLYCEROL, HEXAETHYLENE GLYCOL, MAGNESIUM ION, ... | | Authors: | Jeyakanthan, J, Kanaujia, S.P, Sekar, K, Satoh, S, Kitamura, Y, Yokoyama, S, Kuramitsu, S, RIKEN Structural Genomics/Proteomics Initiative (RSGI) | | Deposit date: | 2008-04-02 | | Release date: | 2009-04-07 | | Last modified: | 2023-11-15 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Structure of the DTDP-4-Keto-L-Rhamnose Reductase related protein (other form) from Thermus Thermophilus HB8
To be Published
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1J4T
 | | Structure of Artocarpin: a Lectin with Mannose Specificity (Form 2) | | Descriptor: | Artocarpin | | Authors: | Pratap, J.V, Jeyaprakash, A.A, Rani, P.G, Sekar, K, Surolia, A, Vijayan, M. | | Deposit date: | 2001-10-30 | | Release date: | 2002-03-27 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (2.4 Å) | | Cite: | Crystal structures of artocarpin, a Moraceae lectin with mannose specificity, and its complex with methyl-alpha-D-mannose: implications to the generation of carbohydrate specificity.
J.Mol.Biol., 317, 2002
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1J4U
 | | Structure of Artocarpin Complexed with Me-alpha-Mannose | | Descriptor: | Artocarpin, methyl alpha-D-mannopyranoside | | Authors: | Pratap, J.V, Jeyaprakash, A.A, Rani, P.G, Sekar, K, Surolia, A, Vijayan, M. | | Deposit date: | 2001-10-30 | | Release date: | 2002-03-27 | | Last modified: | 2023-12-27 | | Method: | X-RAY DIFFRACTION (2.9 Å) | | Cite: | Crystal structures of artocarpin, a Moraceae lectin with mannose specificity, and its complex with methyl-alpha-D-mannose: implications to the generation of carbohydrate specificity.
J.Mol.Biol., 317, 2002
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8GZ0
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7EME
 | | Putative Leptospira interrogans recombinant L-amino acid oxidase | | Descriptor: | FLAVIN-ADENINE DINUCLEOTIDE, NAD(P)/FAD-dependent oxidoreductase | | Authors: | Vaigundan, D, Yuvaraj, I, Krishnaswamy, P.R, Sekar, K, Murthy, M.R.N, Sunita, P. | | Deposit date: | 2021-04-13 | | Release date: | 2021-08-18 | | Last modified: | 2024-05-29 | | Method: | X-RAY DIFFRACTION (1.78 Å) | | Cite: | Structural characterization of a putative recombinant L-amino acid oxidase from Leptospira interrogans
Curr.Sci., 123, 2022
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7WWN
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474D
 | | A NOVEL END-TO-END BINDING OF TWO NETROPSINS TO THE DNA DECAMER D(CCCCCIIIII)2 | | Descriptor: | DNA (5'-D(*CP*CP*CP*(CBR)P*CP*IP*IP*IP*IP*I)-3'), NETROPSIN | | Authors: | Chen, X, Rao, S.T, Sekar, K, Sundaralingam, M. | | Deposit date: | 1998-01-14 | | Release date: | 1998-12-02 | | Last modified: | 2024-02-28 | | Method: | X-RAY DIFFRACTION (2.4 Å) | | Cite: | A novel end-to-end binding of two netropsins to the DNA decamers d(CCCCCIIIII)2, d(CCCBr5CCIIIII)2and d(CBr5CCCCIIIII)2.
Nucleic Acids Res., 26, 1998
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1C8Q
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5ZAX
 | | Crystal structure of thymidylate kinase in complex with ADP, TDP and TMP from thermus thermophilus HB8 | | Descriptor: | ADENOSINE-5'-DIPHOSPHATE, CHLORIDE ION, MAGNESIUM ION, ... | | Authors: | Chaudhary, S.K, Jeyakanthan, J, Sekar, K. | | Deposit date: | 2018-02-09 | | Release date: | 2018-12-19 | | Last modified: | 2023-11-22 | | Method: | X-RAY DIFFRACTION (2.36 Å) | | Cite: | Insights into product release dynamics through structural analyses of thymidylate kinase.
Int. J. Biol. Macromol., 123, 2018
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