ePrints@IIScePrints@IISc Home | About | Browse | Latest Additions | Advanced Search | Contact | Help

Browse by Author

Up a level
Export as [feed] Atom [feed] RSS 1.0 [feed] RSS 2.0
Group by: Item Type | No Grouping
Number of items: 39.

Journal Article

Naini, Santhosh Reddy and Ranganathan, Subramania and Yadav, Jhillu Singh and Ramakrishna, KVS and Gayatri, G and Sastry, Narahari G and Roy, Basu K and Shamala, N (2014) The exploration of Kemp's triacid (KTA) as the core for the synthesis of 3-fold symmetric 2(3)-cyclophane, 2(2)-cyclophane and novel linker directed designs. In: RSC ADVANCES, 4 (11). pp. 5322-5328.

Kantharaju, * and Raghothama, S and Aravinda, S and Shamala, N and Balaram, P (2010) Helical Conformations of Hexapeptides Containing N-Terminus Diproline Segments. In: Biopolymers, 94 (3). pp. 360-370.

Chatterjee, S and Vasudev, PG and Ananda, K and Ananda, Kuppanna and Raghothama, Srinivasarao and Shamala, N and Balaram, Padmanabhan (2008) Multiple conformational states in crystals and in solution in alpha gamma hybrid peptides. Fragility of the C-12 helix in short sequences. In: Journal of Organic Chemistry, 73 (17). pp. 6595-6606.

Hegde, RP and Aravinda, S and Rai, R and Kaul, R and Vijayalakshmi, S and Rao, RB and Shamala, N and Balaram, P (2008) Conformation of di-n-propylglycine residues (Dpg) in peptides: crystal structures of a type I 'beta-turn forming tetrapeptide and an alpha-helical tetradecapeptide. In: Journal of Peptide Science, 141 (5). pp. 648-659.

Ray, Sudipta and Hegde, Raghurama P and Das, Apurba Kumar and Shamala, N and Banerjee, Arindam (2006) Nanostaircase formation in the solid state from self-assembling synthetic terephthalamides with a common molecular scaffold. In: Tetrahedron, 62 (41). pp. 9603-9609.

Narayana, N and Shamala, N and Ganesh, KN and Viswamitra, MA (2006) Interaction between the Z-type DNA duplex and 1,3-propanediamine:crystal structure of d(CACGTG)(2) at 1.2 angstrom resolution. In: Biochemistry, 45 (4). pp. 1200-1211.

Mahalakshmi, R and Sengupta, A and Raghothama, S and Shamala, N and Balaram, P (2005) Tryptophan-containing peptide helices: interactions involving the indole side chain. In: Journal of Peptide Research, 66 (5). pp. 277-296.

Sengupta, A and Mahalakshmi, R and Shamala, N and Balaram, P (2005) Aromatic interactions in tryptophan-containing peptides: crystal structures of model tryptophan peptides and phenylalanine analogs. In: The Journal of Peptide Research, 65 (1). pp. 113-129.

Das, Apurba Kumar and Haldar, Debasish and Hegde, Raghurama P and Shamala, N and Banerjee, Arindam (2005) X-ray crystallographic signature of supramolecular triple helix formation from a water soluble synthetic tetrapeptide. In: Chemical Communications (14). pp. 1836-1838.

Datta, Saumen and Rathore, RNS and Vijayalakshmi, S and Vasudev, Prema G and Rao, Balaji R and Balaram, P and Shamala, N (2004) Peptide helices with pendant cycloalkane rings. Characterization of conformations of 1-aminocyclooctane-1 carboxylic acid $(Ac_8c)$ residues in peptides. In: Journal of Peptide Science, 10 (3). pp. 160-172.

Aravinda, S and Shamala, N and Roy, Rituparna S and Balaram, P (2003) Non-protein amino acids in peptide design. In: Journal of Chemical Sciences, 115 (5 & 6). pp. 373-400.

Ananda, K and Aravinda, S and Vasudev, Prema G and Raja, Muruga Poopathi K and Sivaramakrishnan, H and Nagarajan, K and Shamala, N and Balaram, P (2003) Stereochemistry of gabapentin and several derivatives: Solid state conformations and solution equilibria. In: Current Science, 85 (7). pp. 1002-1011.

Rahaman, Abdur and Srinivasan, N and Shamala, N and Shaila, MS (2003) The Fusion Core Complex of the Peste des Petits Ruminants Virus is a Six-helix Bundle Assembly. In: Biochemistry, 42 (4). pp. 922-931.

Aravinda, S and Shamala, N and Das, Chittaranjan and Balaram, P (2002) Structural Analysis of Peptide Helices Containing Centrally Positioned Lactic Acid Residues. In: Biopolymers, 64 (5). pp. 255-267.

Aravinda, S and Shamala, N and Pramanik, Animesh and Das, Chittaranjan and Balaram, P (2000) An unusual C-H center dot center dot center dot O hydrogen bond mediated reversal of polypeptide chain direction in a synthetic peptide helix. In: Biochemical and Biophysical Research Communications, 273 (3). pp. 933-936.

Aravinda, S and Shamala, N and Pramanik, Animesh and Das, Chittaranjan and Balaram, P (2000) An Unusual C–H . . . O Hydrogen Bond Mediated Reversal of Polypeptide Chain Direction in a Synthetic Peptide Helix. In: Biochemical and Biophysical Research Communications, 273 (3). pp. 933-936.

Datta, Saumen and Uma, Manjappara V and Shamala, N and Balaram, P (1999) Stereochemistry of Schellman Motifs in Peptides: Crystal Structure of a Hexapeptide with a C-Terminus 6 – 1 Hydrogen Bond. In: Biopolymers, 50 (1). pp. 13-22.

Datta, Saumen and Shamala, N and Banerjee, Arindam and Pramanik, Animesh and Bhattacharjya, Surajit and Balaram, P (1997) Characterization of Helix Terminating Schellman Motifs in Peptides. Crystal Structure and Nuclear Overhauser Effect Analysis of a Synthetic Heptapeptide Helix. In: Journal of the American Chemical Society, 119 (39). pp. 9246-9251.

Datta, S and Shamala, N and Banerjee, A and Balaram, P (1997) Hydrogen bonding in peptide helices - Analysis of two independent helices in the crystal structure of a peptide Boc-Val-Ala-Leu-Aib-Val-Ala-Phe-OMe. In: Journal Of Peptide Research, 49 (6). pp. 604-611.

Datta, Saumen and Shamala, N and Banerjee, Arindam and Balaram, P (1997) Conformational variability of Gly-Gly segments in peptides: A comparison of the crystal structures of an acyclic pentapeptide and an octapeptide. In: Biopolymers, 41 . pp. 331-336.

Datta, Saumen and Kaul, Ramesh and Rao, Balaji R and Shamala, N and Balaram, P (1997) Stereochemistry of linking segments in the design of helix–helix motifs in peptides. Crystallographic comparison of a glycyl–dipropylglycyl–glycyl segment in a tripeptide and a 14-residue peptide. In: Journal of Chemical Society, Perkin Transactions 2 (9). pp. 1659-1664.

Banerjee, Arindam and Datta, S and Pramanik, Animesh and Shamala, N and Balaram, P (1996) Heterogeneity and Stability of Helical Conformations in Peptides: Crystallographic and NMR Studies of a Model Heptapeptide. In: Journal of the American Chemical Society, 118 (40). pp. 9477-9483.

Datta, S and Shamala, N and Gurunath, R and Balaram, P (1996) Observation of a mixed antiparallel and parallel beta-sheet motif in the crystal structure of Boc-Ala-Ile-Aib-OMe. In: International Journal of Peptide & Protein Research, 48 (3). pp. 209-214.

Priya, V and Shamala, N and Viswamitra, MA and Ravindran, T and Jeyaraman, R (1993) Structure of N-Nitroso-2,4-diphenyl-3-azabicyclo[3.3.1]nonane. In: Acta Crystallographica, Section C: Crystal Structure Communications, 49 (8). pp. 1519-1522.

Priya, V and Shamala, N and Jeyaraman, R and Viswamitra, MA and Kumar, Senthil UP (1992) Structure of N-nitroso-r-2,c-7-diphenylhexahydro-1,4-diazepin-5-one. In: Acta Crystallographica Section C, 48 . pp. 1048-1051.

Apte, Madhuri and Shamala, N and Ramakrishnan, T (1992) Antigenic relationship between reactivity to hepatitis B e antigen and 19 kDa protein of Mycobacterium tuberculosis among the Tibetan settlers in Karnataka. In: Journal of Biosciences, 17 (3). pp. 305-312.

Mandea, Sharmila S and Shamala, N and Seshadri, TP and Viswamitra, MA (1992) Conformational Variability in Modified Nucleosides. Crystal and Molecular Structure of 2',3'-O-Isopropylidene Inosine. In: Nucleosides & Nucleotides, 11 (5). pp. 1103-1114.

Vishwanath, CK and Shamala, N and Easwaran, KRK and Vijayan, M (1983) Structure of Nonactin-Calcium Perchlorate, $C_{40}H_{64}O_{12}.Ca(ClO_{4})_{2}$, and a Comparative Study of Metal-Nonactin Complexes. In: Acta Crystallographica, Section C: Crystal Structure Communications, 39 (12). pp. 1640-1643.

Vishwanath, CK and Shamala, N and Easwaran, KRK and Vijayan, M (1983) Structure of nonactin-calcium perchlorate, C40H64O12.Ca(ClO4)2, and a comparative study of metal-nonactin complexes. In: Acta Crystallographica Section C :Crystal Structure Communications, 39 (12). pp. 1640-1643.

Suguna, K and Ramakumar, S and Shamala, N and Prasad, Venkataram BV and Balaram, P (1982) Crystal Structures of Diketopiperazines Containing \alpha-Aminoisobutyric Acid: Cyclo(Aib-Aib) and Cyclo(Aib-L-Ile). In: Biopolymers, 21 (9). pp. 1847-1855.

Rao, Ch Pulla and Shamala, N and Nagaraj, R and Rao, CNR and Balaram, P (1981) Hydrophobic channels in crystals of an alpha-aminoisobutyric acid pentapeptide. In: Biochemical and Biophysical Research Communications, 103 (3). pp. 898-904.

Prasad, Venkataram BV and Shamala, N and Nagaraj, R and Balaram, P (1980) The Crystal Structure of Benzyloxycarbonyl-${(\alpha-aminoisobutyryl)}_2$-L-Alanyl Methyl Ester. In: Acta Crystallographica Section B: Structural Crystallography and Crystal Chemistry, 36 (1). pp. 107-110.

Prasad, Venkataram BV and Shamala, N and Nagaraj, R and Chandrasekaran, R and Balaram, P (1979) Crystal and Molecular Structure of Benzyloxycarbonyl-\alpha-Aminoisobutyryl-L-Prolyl Methylamide: The Observation of an $X_2-{Pro}_3$ Type III \beta-Turn. In: Biopolymers, 18 (7). pp. 1635-1646.

Nagaraj, R and Shamala, N and Balaram, P (1979) Stereochemically Constrained Linear Peptides. Conformations of Peptides Containing \alpha-Aminoisobutyric Acid. In: Journal of the American Chemical Society, 101 (1). pp. 16-20.

Prasad, BV Venkataram and Shamala, N and Nagaraj, R and Chandrasekaran, R and Balaram, P (1979) The crystal and molecular structure of benzyloxycarbonyl-a-amino-isobutyryl-L-prolyl-methylamide. The observation of an X2-Pro3 Type III b-turn. In: Biopolymers, 18 (7). 1635 -1646.

Shamala, N and Nagaraj, R and Balaram, P (1977) The crystal and molecular structure of the amino terminal tetrapeptide of alamethicin. A novel 310 helical conformation. In: Biochemical and Biophysical Research Communications, 79 (1). pp. 292-298.

Shamala, N and Nagaraj, R and Balaram, P (1977) The crystal and molecular structure of the amino terminal tetra-peptide of alamethicin. A novel 310 helical conformation. In: Biochemical and Biophysical Research Communications, 79 (1). pp. 292-298.

Ramachandran, GN and Shamala, N (1976) Crystal structure from packing studies: application to the triclinic structure of the cyclic hexapeptide cyclo-(gly-tyr-gly)2. In: Acta Crystallographica Section A: Crystal Physics, Diffraction, Theoretical and General Crystallography, 32 (6). pp. 1008-1009.

Editorials/Short Communications

Kokila, MK and Nirmala, KA and Shamala, N and Puttaraja, * (1992) Structure of 4,6-Diacetylresorcinol. In: Acta Crystallographica Section C, 48 . pp. 1133-1134.

This list was generated on Tue Oct 15 02:57:07 2019 IST.