The accession consists of papers belonging to Chandrasekharan Ramakrishnan known to his students and colleagues as CR, a molecular biophysicist who worked on bond angles in proteins. CR's work was instrumental in the development of the well-known Ramachandran plots, named after his thesis supervisor G. N. Ramachandran (GNR). The accession contains hand-written and printed materials. The hand-written material includes a lab notebook (ca. 1966-1969) belonging to CR containing literature review, calculations, a computer program, and recorded data about bond angles. In addition, there is a folder containing handmade material (individual sheets of paper intended to be assembled together) for a poster presentation. There are also three files containing printed material, specifically correspondences between CR and journal editors regarding manuscripts intended for publication in scientific journals. One of these files pertains to manuscripts which were ultimately rejected. The other two files contain correspondences for accepted manuscripts, and are tabbed by publication number. In addition, the accession contains a printout of a chapter from the book "Biochemistry of Collagen" published by Plenum Press in 1976. The chapter was authored by GNR and CR. Lastly, the accession contains a bunch of miscellaneous printed matter - a datasheet of bond angles in the amino acid glycine (with handwritten annotations), a list of publications by CR (ca. 1991), and photocopies of journal papers (not authored by CR).
Chandrasekharan Ramakrishnan (known as CR) was a molecular biologist from India. He was born in 1939. He was part of the Madras group in the 1960s where he worked on protein structures. He generated the first version of the iconic Ramachandran map as a PhD student, He was a faculty at the University of Madras(1964–1972) and then at the Molecular Biophysics Unit at Indian Institute of Science (1972–2001).He made contributions to peptide and protein conformational analysis and conducted studies of hydrogen bond geometry, cyclic peptide conformations and protein structural data analysis. His work furthered the understanding of peptide and protein structures. Ramakrishnan passed away in Bangalore on March 13, 2019.
This collection was processed by a volunteer - Chaitanya Ursekar along with Anjali Ramachandran.
Contains letters related to scientific publications. It was divided into two sets - papers accepted by journals and papers that were rejected, this arrangement was followed.
Includes letters with journal editors and reviewers. In some cases, includes rejection letters from editors of journals to which the manuscript was previously submitted. Main journals are the International Journal of Peptide and Protein Research (formerly known as Int J Protein Res), Biochimica et Biophysica Acta, and the Proceedings of the Indian Academy of Sciences. Main collaborators are G N Ramachandran, V Sasisekaran, G Manjula, K V Soman. This subfile contains correspondence for papers no. 1-46, but papers 1-16, 18, 20-21, 23-29, 31, 34-35, 37, 40-42, 44 are missing.
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Includes correspondence (letters, both typed and handwritten) with journal editors and reviewers. In some cases, includes rejection letters from editors of journals to which the manuscript was previously submitted. Main journals are the International Journal of Peptide and Protein Research (formerly known as Int J Protein Res). Main collaborators are N Srinivasan, R Sowdhamini, P Balaram. In some cases, Balaram was the corresponding author, so correspondence is written by and addressed to him. This subfile contains correspondence for papers no. 47-63, but papers 49, 51, 55, 57-59, 63 are missing.
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Includes correspondence in the form of letters, emails, and fax with journal editors and reviewers. In some cases, includes rejection letters from editors of journals to which the manuscript was previously submitted. Main journals are the International Journal of Peptide and Protein Research (formerly known as Int J Protein Res), Journal of Molecular Biology, and Protein Engineering. Main collaborators are N Srinivasan, R Sowdhamini, P Balaram, K Gunasekaran. In some cases, Srinivasan and Balaram were the corresponding authors, therefore correspondence is written by and addressed to them. This subfile contains correspondence for papers no. 63-76, but papers 63-64 are missing.
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Includes printouts of emails with journal editors and reviewers as well as between collaborators on manuscripts. This document was likely prepared after 1991. Also contains hand-written drafts of responses to reviewers. In some cases, includes rejection letters from editors of journals to which the manuscript was previously submitted. Also contains a printout of a list of publications by C Ramakrishnan, up to Publication No. 89 (which was dated 2005). Main journals are Protein Engineering. Main collaborators are N Eswaran, N Srinivasan, R Varadarajan. In some cases, Srinivasan and Varadarajan were the corresponding authors, therefore correspondence is written by and addressed to them. This subfile contains correspondence for papers no. 77-91, but papers 81, 84 are missing.
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Includes letters with journal editors and reviewers regarding manuscripts which were rejected for publication. Journals mentioned include FEBS Letters, the Journal of Peptide Research, and the Journal of Computational Chemistry. Collaborators include N Eswaran, R Sowdhamini, N Srinivasan. These letters are from 1991 - 1997. Also includes a handwritten list of manuscripts with numbers, dated 3 August 1999.
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Includes letters between the editor of the Journal of Molecular Biology and N Srinivasan, regarding two manuscripts.
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Contains a small set of documents including a research notebook and printed research material, prelimanary work done towards a poster and a list of publications by Ramakrishnan.
Notebook containing hand-written research notes of C Ramakrishnan. Includes recorded data about bond angles in amino acids, peptide chains, and simple sugars, along with diagrams illustrating these angles. Includes a literature review, comprising a list of references followed by notes detailing key points from each list item. Also includes a computer program as well as calculations (solved equations) to determine inter-atomic distances. At the back of the notebook is an assortment of papers including further diagrams, a technical write-up, and a printed Ramachandran map.
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Is a printed copy of a book chapter titled "Molecular structure of collagen in relation to its primary sequence" by G N Ramachandran and C Ramakrishnan. This document has minimal hand-written annotations.
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Contains materials for a poster titled "Conformation and hydrogen bonding in small cyclic peptides", by authors C Ramakrishnan, BN Narasinga Rao, PKC Paul, and M Jagannatha Rao. Comprises hand-written poster contents on individual sheets of paper, to be assembled onto a poster board. The meeting at which the poster was presented is not explicitly mentioned, although from the papers, it is likely the meeting of the American Crystallographic Association which took place in Eufaula, Alabama, USA from 17-21 March 1980.
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Contains a printout of a list of publications by C Ramakrishnan, up to Publication No. 64 (which was dated 1991). This document was likely prepared after 1991.
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