Items where Author is "Karle, I. L. "

Article

Karle, I. L. ; Prasad, S. ; Balaram, P. (2004) A combined extended and helical backbone for Boc-(Ala-Leu-Ac₇c-)₂-OMe The Journal of Peptide Research, 63 (2). pp. 175-180. ISSN 1397-002X

Ranganathan, D. ; Kurur, S. ; Kunwar, A. C. ; Sarma, A. V. S. ; Vairamani, M. ; Karle, I. L. (2000) Channel-forming, self-assembling, bishelical amphiphilic peptides: design, synthesis and crystal structure of Py(Aib_n)₂, n = 2, 3, 4 Journal of Peptide Research, 56 (6). pp. 416-426. ISSN 1397-002X

Vijayalakshmi, S. ; Rao, R. Balaji ; Karle, I. L. ; Balaram, P. (2000) Comparison of helix-stabilizing effects of α,α-dialkyl glycines with linear and cycloalkyl side chains Biopolymers, 53 (1). pp. 84-98. ISSN 0006-3525

Konnert, J. ; Karle, J. ; Karle, I. L. ; Uma, K. ; Balaram, P. (1999) Isomorphous replacement combined with anomalous dispersion in the linear equations: application to a crystal containing four nonapeptide conformers Acta Crystallographica Section D, 55 (2). pp. 448-457. ISSN 0907-4449

Karle, I. L. ; Kaul, R. ; Balaji Rao, R. ; Raghothama, S. ; Balaram, P. (1997) Stereochemical analysis of higher α,α-dialkylglycine containing peptides. Characterization of local helical conformations at dipropylglycine residues and observation of a novel hydrated multiple β -turn structure in crystals of a glycine rich peptide Journal of the American Chemical Society, 119 (50). pp. 12048-12054. ISSN 0002-7863

Karle, I. L. ; Pramanik, Animesh ; Banerjee, Arindam ; Bhattacharjya, Surajit ; Balaram, P. (1997) ω-amino acids in peptide design. Crystal structures and solution conformations of peptide helices containing a β-alanyl-γ-aminobutyryl segment Journal of the American Chemical Society, 119 (39). pp. 9087-9095. ISSN 0002-7863

Karle, I. L. ; Awasthi, S. K. ; Balaram, P. (1996) A designed beta-hairpin peptide in crystals Proceedings of the National Academy of Sciences of the United States of America, 93 (16). pp. 8189-8193. ISSN 0027-8424

Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Balaram, P. (1996) Effects of end group and aggregation on helix conformation: Crystal structure of Ac-(Aib-Val-Ala-Leu)₂-Aib-OMe Journal of Peptide Science, 2 (2). pp. 106-116. ISSN 1075-2617

Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Balaram, P. (1994) Hydration and distortion of peptide helices in crystals. α-helical structure of a dodecapeptide, Boc-(Ala-Leu-Aib)4-OMe International Journal of Peptide & Protein Research, 44 (5). pp. 491-498. ISSN 0367-8377

Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Balaram, P. (1993) Accommodation of a D-Phe residue into a right-handed 310-helix: Structure of Boc-D-Phe-(Aib)4-Gly-L-Leu-(Aib)2-Ome, an analogue of the amino terminal segment of antiamoebins and emerimicins Biopolymers, 33 (3). pp. 401-407. ISSN 0006-3525

Sansom, M. S. P. ; Balaram, P. ; Karle, I. L. (1993) Ion channel formation by zervamicin-IIB European Biophysics Journal, 21 (6). pp. 369-383. ISSN 0175-7571

Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Balaram, P. (1993) Peptide mimics for structural features in proteins. Crystal structures of three heptapeptide helices with a C-terminal 6→1 hydrogen bond International Journal of Peptide & Protein Research, 42 . pp. 401-410. ISSN 0367-8377

Agarwalla, S. ; Mellor, I. R. ; Sansom, M. S. P. ; Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Krishna, K. ; Sukumar, M. ; Balaram, P. (1992) Zervamicins, a structurally characterised peptide model for membrane ion channels Biochemical and Biophysical Research Communications, 186 (1). pp. 8-15. ISSN 0006-291X

Karle, I. L. ; Flippen-Anderson, J. L. ; Agarwalla, S. ; Balaram, P. (1991) Crystal structure of [Leu1]zervamicin, a membrane ion-channel peptide: implications for gating mechanisms Proceedings of the National Academy of Sciences of the United States of America, 88 (12). pp. 5307-5311. ISSN 0027-8424

Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Balaram, P. (1990) Parallel zippers formed by alpha-helical peptide columns in crystals of Boc-Aib-Glu(OBzl)-Leu-Aib-Ala-Leu-Aib-Ala-Lys(Z)-Aib-OMe Proceedings of the National Academy of Sciences of the United States of America, 87 (20). pp. 7921-7925. ISSN 0027-8424

Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Balaram, P. (1990) Helix construction using α-aminoisobutyryl residues in a modular approach to synthetic protein design. Conformational properties of an apolar decapeptide in two different crystal forms and in solution Current Science, 59 (17-18). pp. 875-885. ISSN 0011-3891

Karle, I. L. ; Flippen-Anderson, J. L. ; Sukumar, M. ; Balaram, P. (1990) Parallel and antiparallel aggregation of α helices International Journal of Peptide and Protein Research, 35 (6). pp. 518-526. ISSN 0367-8377

Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Balaram, P. (1990) Hydration of helix backbones of hydrophobic peptides Proceedings of the 11th American Peptide Symposium . pp. 544-547.

Karle, I. L. ; Flippen-Anderson, J. L. ; Kishore, R. ; Balaram, P. (1989) Cystine peptides antiparallel β-sheet conformation of the cyclic biscystine pep tide [Boc-Cys-Ala-Cys-NHCH₃]₂ International Journal of Peptide and Protein Research, 34 (1). pp. 37-41. ISSN 0367-8377

Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Balaram, P. (1989) Solvated helical backbones: X-ray diffraction study of Boc-Ala-Leu-Aib-Ala-Leu-Aib-OMe · H₂O Biopolymers, 28 (3). pp. 773-781. ISSN 0006-3525

Karle, I. L. ; Flippen-Anderson, J. L. ; Uma, K. ; Balaram, H. ; Balaram, P. (1989) Alpha-helix and mixed 3(10)/alpha-helix in cocrystallized conformers of Boc-Aib-Val-Aib-Aib-Val-Val-Val-Aib-Val-Aib-OMe PNAS, 86 (3). pp. 765-769. ISSN 0027-8424.

Karle, I. L. ; Flippen-Anderson, Judith ; Uma, K. ; Balaram, P. (1988) Aqueous channels within apolar peptide aggregates: solvated helix of the α-aminoisobutyric acid (Aib)-containing peptide Boc-(Aib-Ala-Leu)₃-Aib-OMe.2H₂O.CH₃OH in crystals Proceedings of the National Academy of Sciences of the United States of America, 85 (2). pp. 299-303. ISSN 0027-8424