Search Results - "Shamala, N."

Stereochemistry of gabapentin and several derivatives: Solid state conformations and solution equilibria by Ananda, K., Aravinda, S., Vasudev, Prema G., Raja, K. Muruga Poopathi, Sivaramakrishnan, H., Nagarajan, K., Shamala, N., Balaram, P.

“…Gabapentin (1-(aminomethyl)cycloheaxaneacetic acid; Gpn) is a widely used anti-epileptic drug. The target site of action of Gpn remains controversial. Gpn can…”
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X-ray crystallographic signature of supramolecular triple helix formation from a water soluble synthetic tetrapeptide by Das, Apurba Kumar, Haldar, Debasish, Hegde, Raghurama P, Shamala, N, Banerjee, Arindam

“…Single crystal X-ray diffraction studies on the water soluble, synthetic tetrapeptide Tyr(1)-Aib(2)-Tyr(3)-Val(4) with a non-coded amino acid residue (Aib:…”
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Interaction between the Z-Type DNA Duplex and 1,3-Propanediamine:  Crystal Structure of d(CACGTG)2 at 1.2 Å Resolution by Narayana, Narendra, Shamala, N, Ganesh, Krishna N, Viswamitra, M. A

“…The crystal structure of a hexamer duplex d(CACGTG)2 has been determined and refined to an R-factor of 18.3% using X-ray data up to 1.2 Å resolution. The…”
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Design and Simulation of Five Level Buck Boost Converter for Grid Connected Hybrid Power System using Matlab/Simulink by Shri Harsha, J, Shamala, N, Kumar, L Sanjeev, Prakash, R

“…This research describes a revolutionary voltage-lift switched inductor (VLSI) cell-based high step-up DC-DC multilevel buck-boost converter. Cascade of…”
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Structures of the flavocytochrome p-cresol methylhydroxylase and its enzyme-substrate complex: gated substrate entry and proton relays support the proposed catalytic mechanism by Cunane, Louise M, Chen, Zhi-Wei, Shamala, N, Mathews, F.Scott, Cronin, Ciarán N, McIntire, William S

“…The degradation of the toxic phenol p-cresol by Pseudomonas bacteria occurs by way of the protocatechuate metabolic pathway. The first enzyme in this pathway,…”
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Non-protein amino acids in peptide design by Aravinda, S., Shamala, N., Roy, Rituparna S., Balaram, P

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Structural analysis of peptide helices containing centrally positioned lactic acid residues by Aravinda, S., Shamala, N., Das, Chittaranjan, Balaram, P.

“…The effect of insertion of lactic acid (Lac) residues into peptide helices has been probed using specifically designed sequences. The crystal structures of…”
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The Fusion Core Complex of the Peste des Petits Ruminants Virus Is a Six-Helix Bundle Assembly by Rahaman, Abdur, Srinivasan, N, Shamala, N, Shaila, M. S

“…We describe the properties of the two heptad repeats (HR1 and HR2) of the Peste des petits ruminants virus (PPRV) fusion protein (F) to obtain insights into…”
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Aromatic interactions in tryptophan-containing peptides: crystal structures of model tryptophan peptides and phenylalanine analogs by Sengupta, A., Mahalakshmi, R., Shamala, N., Balaram, P.

“…:  The crystal structures of the peptides, Boc‐Leu‐Trp‐Val‐OMe (1), Ac‐Leu‐Trp‐Val‐OMe (2a and 2b), Boc‐Leu‐Phe‐Val‐OMe (3), Ac‐Leu‐Phe‐Val‐OMe (4), and…”
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Tryptophan-containing peptide helices: interactions involving the indole side chain by Mahalakshmi, R., Sengupta, A., Raghothama, S., Shamala, N., Balaram, P.

“…:  Two designed peptide sequences containing Trp residues at positions i and i + 5 (Boc‐Leu‐Trp‐Val‐Ala‐Aib‐Leu‐Trp‐Val‐OMe, 1) as well as i and i + 6…”
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Peptide helices with pendant cycloalkane rings. Characterization of conformations of 1-aminocyclooctane-1-carboxylic acid (Ac8c) residues in peptides by Datta, Saumen, Rathore, R. N. S., Vijayalakshmi, S., Vasudev, Prema G., Balaji Rao, R., Balaram, P., Shamala, N.

“…A pentapeptide, Boc‐Leu‐Ac8c‐Ala‐Leu‐Ac8c‐OMe 1, an octapeptide, Boc‐Leu‐Ac8c‐Ala‐Leu‐Ac8c‐Ala‐Leu‐Ac8c‐OMe 2 and a tripeptide, Boc‐Aib‐Ac8c‐Aib‐OMe 3…”
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Characterization of Helix Terminating Schellman Motifs in Peptides. Crystal Structure and Nuclear Overhauser Effect Analysis of a Synthetic Heptapeptide Helix by Datta, Saumen, Shamala, N, Banerjee, Arindam, Pramanik, Animesh, Bhattacharjya, Surajit, Balaram, P

“…The Schellman motif is a widely observed, helix terminating structural motif in proteins, which is achieved by the adoption of a left-handed helical (αL)…”
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Heterogeneity and Stability of Helical Conformations in Peptides:  Crystallographic and NMR Studies of a Model Heptapeptide by Banerjee, Arindam, Datta, S, Pramanik, Animesh, Shamala, N, Balaram, P

“…The helix is a common secondary structural element in proteins. Several subtypes of helical structures are possible, depending on the nature of the backbone…”
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430 Labour ward: delivery suite or admissions unit? by Vella Brincat, D., Abu Shamala, N., Cordina, C., Scerri, C., Cassar, V., Muscat Baron, Y.

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Stereochemistry of Schellman motifs in peptides: Crystal structure of a hexapeptide with a C-terminus 6 → 1 hydrogen bond by Datta, Saumen, Uma, Manjappara V., Shamala, N., Balaram, P.

“…The Schellman motif is a widely observed helix terminating structural motif in proteins, which is generated when the C‐terminus residue adopts a left‐handed…”
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Development of ultrasound guided regional anaesthesia in the emergency department, Hospital Kuala Lumpur by Shamala, N S K, Mohd, L H, Siti, R J, Gopinath, N S, Nornadia, M M, Hidayah, S, Mahathar, A W

“…Ultrasound guided regional anaesthesia is a fast-rising acute pain management modality in emergency departments worldwide. It is a safe and effective…”
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Three-dimensional structure of the iron-sulfur flavoprotein trimethylamine dehydrogenase at 2.4-A resolution by Lim, L W, Shamala, N, Mathews, F S, Steenkamp, D J, Hamlin, R, Xuong, N H

“…The three-dimensional structure of trimethylamine dehydrogenase from the methylotrophic bacterium W3A1 has been determined to 2.4-A resolution. The enzyme is…”
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Conformational variability of Gly-Gly segments in peptides: A comparison of the crystal structures of an acyclic pentapeptide and an octapeptide by Datta, Saumen, Shamala, N., Banerjee, Arindam, Balaram, P.

“…The crystal structure of an acyclic pentapeptide, Boc‐Gly‐Gly‐Leu‐Aib‐Val‐OMe, reveals an extended conformation for the Gly‐Gly segment, in contrast to the…”
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Three-dimensional structure of flavocytochrome b2 from baker's yeast at 3.0-A resolution by Xia, Z X, Shamala, N, Bethge, P H, Lim, L W, Bellamy, H D, Xuong, N H, Lederer, F, Mathews, F S

“…The structure of flavocytochrome b2 from baker's yeast was solved at 3.0-A resolution by the multiple isomorphous replacement method combined with solvent…”
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Stereochemically constrained linear peptides. Conformations of peptides containing .alpha.-aminoisobutyric acid by Nagaraj, R, Shamala, N, Balaram, P

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