Items where Author is "Iqbal, M."

Francis, A. K. ; Iqbal, M. ; Balaram, P. ; Vijayan, M. (1983) Crystal structure of Boc-Ala-Aib-Ala-Aib-Aib-methyl ester, a pentapeptide fragment of the channel-forming ionophore suzukacillin Biopolymers, 22 (6). pp. 1499-1505. ISSN 0006-3525

Francis, A. K. ; Iqbal, M. ; Balaram, P. ; Vijayan, M. (1983) The crystal structure of a 3₁₀ helical decapeptide containing α-aminoisobutyric acid FEBS Letters, 155 (2). pp. 230-232. ISSN 0014-5793

Iqbal, M. ; Balaram, P. (1982) The helical conformations of 14- and 16-residue fragments of suzukacillin, a membrane channel-forming polypeptide Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology, 706 (2). pp. 179-187. ISSN 0167-4838

Iqbal, M. ; Balaram, P. (1982) Aggregation of apolar peptides in organic solvents. Concentration dependence of ¹H-nmr parameters for peptide NH groups in 3₁₀ helical decapeptide fragment of suzukacillin Biopolymers, 21 (7). pp. 1427-1433. ISSN 0006-3525

Francis, A. K. ; Rao, Ch. Pulla ; Iqbal, M. ; Nagaraj, R. ; Vijayan, M. ; Balaram, P. (1982) Helical conformations of three crystalline pentapeptide fragments of suzukacillin, a membrane channel forming polypeptide Biochemical and Biophysical Research Communications, 106 (4). pp. 1240-1247. ISSN 0006-291X

Iqbal, M. ; Nagaraj, R. ; Balaram, P. (1981) H N.M.R. studies of protected α-aminoisobutyric acid containing peptides: chemical shift nonequivalence of benzyloxycarbonyl methylene protons International Journal of Peptide and Protein Research, 18 (2). pp. 208-213. ISSN 0367-8377

Iqbal, M. ; Balaram, P. (1981) Membrane channel forming polypeptides. 270-MHz hydrogen-1 nuclear magnetic resonance studies on the conformation of the 11-21 fragment of suzukacillin Biochemistry, 20 (17). pp. 4866-4871. ISSN 0006-2960

Iqbal, M. ; Balaram, P. (1981) The 3₁₀ helical conformation of the amino terminal decapeptide of suzukacillin. 270 MHz hydrogen-1 NMR evidence for eight intramolecular hydrogen bonds Journal of the American Chemical Society, 103 (18). pp. 5548-5552. ISSN 0002-7863

Iqbal, M. ; Balaram, P. (1981) Membrane channel forming polypeptides. 270-MHz proton magnetic resonance studies of the aggregation of the 11-21 fragment of suzukacillin in organic solvents Biochemistry, 20 (25). pp. 7278-7284. ISSN 0006-2960

Iqbal, M. ; Shivaji, S. ; Vijayasarathy, S. ; Balaram, P. (1980) Synthetic peptides as chemoattractants for bull spermatozoa structure activity correlations Biochemical and Biophysical Research Communications, 96 (1). pp. 235-242. ISSN 0006-291X