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1

Designed Peptides with Homochiral and Heterochiral Diproline Templates as Conformational Constraints

Bhaswati Chatterjee, Indranil Saha, Srinivasarao Raghothama, Subrayashastry Aravinda, Rajkishor Rai, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Chemistry - A European Journal

Year:

2008

Language:

english

File:

PDF, 733 KB

english, 2008

2

Structural Chemistry of Peptides Containing Backbone Expanded Amino Acid Residues: Conformational Features of β, γ, and Hybrid Peptides

Vasudev, Prema. G., Chatterjee, Sunanda, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Chemical Reviews

Year:

2011

Language:

english

File:

PDF, 6.75 MB

english, 2011

3

Aggregation modes in sheets formed by protected β-amino acids and β-peptides

Sengupta, Anindita, Roy, Rituparna S., Sabareesh, Varatharajan, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Organic & Biomolecular Chemistry

Year:

2006

Language:

english

File:

PDF, 382 KB

english, 2006

4

Hydrogen-Bond Lengths in Polypeptide Helices: No Evidence for Short Hydrogen Bonds

Subrayashastry Aravinda, Saumen Datta, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Angewandte Chemie International Edition

Year:

2004

Language:

english

File:

PDF, 202 KB

english, 2004

5

Conformations of β-amino acid residues in peptides: X-ray diffraction studies of peptides containing the achiral residue 1-aminocyclohexaneacetic acid, β3,3Ac6c

Prema G. Vasudev, Rajkishor Rai, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Year:

2008

Language:

english

File:

PDF, 837 KB

english, 2008

6

The Structural Characterization of Folded Peptides Containing the Conformationally Constrained β -Amino Acid Residue β 2,2 Ac 6 c

Basuroy, Krishnayan, Karuppiah, Vasantham, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Helvetica Chimica Acta

Year:

2012

Language:

english

File:

PDF, 2.05 MB

english, 2012

7

Conformational choices for the stereochemically constrained γ-amino acid residue gabapentin: Theoretical studies and correlation with experimental results

Prema G. Vasudev, Sunanda Chatterjee, Chandrasekharan Ramakrishnan, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Year:

2009

Language:

english

File:

PDF, 460 KB

english, 2009

8

Molecular Conformation and Packing of Peptide β Hairpins in the Solid State: Structures of Two Synthetic Octapeptides Containing 1-Aminocycloalkane-1-Carboxylic Acid Residues at the i+2 Position of the β Turn

Veldore Vidya Harini, Subrayashastry Aravinda, Rajkishor Rai, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Chemistry - A European Journal

Year:

2005

Language:

english

File:

PDF, 633 KB

english, 2005

9

ChemInform Abstract: Structural Chemistry of Peptides Containing Backbone Expanded Amino Acid Residues: Conformational Features of β,γ, and Hybrid Peptides

Prema. G. Vasudev, Sunanda Chatterjee, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Year:

2011

File:

PDF, 19 KB

2011

10

Crystal Structures of a New Polymorphic Form of Gabapentin Monohydrate and the E and Z Isomers of 4-Tertiarybutylgabapentin

Prema G. Vasudev, Subrayashastry Aravinda, Kuppanna Ananda, Shettykere Dayananda Veena, Kuppuswamy Nagarajan, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Chemical Biology & Drug Design

Year:

2009

Language:

english

File:

PDF, 687 KB

english, 2009

11

Gabapentin: A Stereochemically Constrained γ Amino Acid Residue in Hybrid Peptide Design

Vasudev, Prema G., Chatterjee, Sunanda, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Accounts of Chemical Research

Year:

2009

Language:

english

File:

PDF, 4.32 MB

english, 2009

12

Erratum: “Conformations of β-amino acid residues in peptides: X-ray diffraction studies of peptides containing the achiral residue 1-aminocyclohexaneacetic acid, β3,3Ac6c”

Prema G. Vasudev, Rajkishor Rai, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Year:

2008

Language:

english

File:

PDF, 44 KB

english, 2008

13

β-Turn Analogues in Model αβ-Hybrid Peptides: Structural Characterization of Peptides Containing β2,2Ac6c and β3,3Ac6c Residues

Krishnayan Basuroy, Appavu Rajagopal, Dr. Srinivasarao Raghothama, Prof. Narayanaswamy Shamala, Prof. Padmanabhan Balaram

Journal:

Chemistry – An Asian Journal

Year:

2012

Language:

english

File:

PDF, 868 KB

english, 2012

14

Analysis of designed β-hairpin peptides: molecular conformation and packing in crystals

Aravinda, Subrayashastry, Raghavender, Upadhyayula S., Rai, Rajkishor, Harini, Veldore V., Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Organic & Biomolecular Chemistry

Year:

2013

Language:

english

File:

PDF, 2.25 MB

english, 2013

15

Crystal structure of a tripeptide containing aminocyclododecane carboxylic acid: a supramolecular twisted parallel β-sheet in crystals

Vasudev, Prema G., Aravinda, Subrayashastri, Shamala, Narayanaswamy

Journal:

Journal of Peptide Science

Year:

2016

Language:

english

File:

PDF, 951 KB

english, 2016

16

Characterization of bent helical conformations in polymorphic forms of a designed 18-residue peptide containing a central gly-pro segment

Subrayashastry Aravinda, Narayanaswamy Shamala, Isabella L. Karle, Padmanabhan Balaram

Journal:

Year:

2012

Language:

english

File:

PDF, 3.42 MB

english, 2012

17

Structural characterization of folded pentapeptides containing centrally positioned β(R)Val, γ(R)Val and γ(S)Val residues

Bhimareddy Dinesh, Krishnayan Basuroy, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Year:

2012

Language:

english

File:

PDF, 749 KB

english, 2012

18

Hydrophobic Peptide Channels and Encapsulated Water Wires

Raghavender, Upadhyayula S., Kantharaju,, Aravinda, Subrayashastry, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Journal of the American Chemical Society

Year:

2010

Language:

english

File:

PDF, 857 KB

english, 2010

19

Helical conformations of hexapeptides containing N-terminus diproline segments

Kantharaju, Srinivasarao Raghothama, Subrayashastry Aravinda, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Year:

2010

Language:

english

File:

PDF, 690 KB

english, 2010

20

Characterization of Water Wires inside Hydrophobic Tubular Peptide Structures

Raghavender, Upadhyayula S., Aravinda, Subrayashastry, Shamala, Narayanaswamy, Rai, Rajkishor, Balaram, Padmanabhan

Journal:

Journal of the American Chemical Society

Year:

2009

Language:

english

File:

PDF, 2.81 MB

english, 2009

21

Hybrid Peptides: Expanding the β Turn in Peptide Hairpins by the Insertion of β-, γ-, and δ-Residues

Rajkishor Rai, Prema G. Vasudev, Kuppanna Ananda, Srinivasarao Raghothama, Narayanaswamy Shamala, Isabella L. Karle, Padmanabhan Balaram

Journal:

Chemistry - A European Journal

Year:

2007

Language:

english

File:

PDF, 441 KB

english, 2007

22

Diproline Templates as Folding Nuclei in Designed Peptides. Conformational Analysis of Synthetic Peptide Helices Containing Amino Terminal Pro-Pro Segments

Rai, Rajkishor, Aravinda, Subrayashastry, Kanagarajadurai, Karuppiah, Raghothama, Srinivasarao, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Journal of the American Chemical Society

Year:

2006

Language:

english

File:

PDF, 590 KB

english, 2006

23

Hybrid αγ Polypeptides: Structural Characterization of a C12/C10 Helix with Alternating Hydrogen-Bond Polarity

Prema G. Vasudev, Sunanda Chatterjee, Kuppanna Ananda, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Angewandte Chemie

Year:

2008

Language:

english

File:

PDF, 442 KB

english, 2008

24

Nucleation, Growth, and Form in Crystals of Peptide Helices

Vasudev, Prema G., Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Journal of Physical Chemistry B

Year:

2008

Language:

english

File:

PDF, 719 KB

english, 2008

25

A Crystalline β-Hairpin Peptide Nucleated by a Type I′ Aib-D-Ala β-Turn: Evidence for Cross-Strand Aromatic Interactions

Subrayashastry Aravinda, Narayanaswamy Shamala, Rai Rajkishore, Hosahudya N. Gopi, Padmanabhan Balaram

Journal:

Angewandte Chemie International Edition

Year:

2002

Language:

english

File:

PDF, 118 KB

english, 2002

26

Aromatic−Aromatic Interactions in Crystal Structures of Helical Peptide Scaffolds Containing Projecting Phenylalanine Residues

Aravinda, Subrayashastry, Shamala, Narayanaswamy, Das, Chittaranjan, Sriranjini, Arumugam, Karle, Isabella L., Balaram, Padmanabhan

Journal:

Journal of the American Chemical Society

Year:

2003

Language:

english

File:

PDF, 785 KB

english, 2003

27

Investigating proline puckering states in diproline segments in proteins

Saha, Indranil, Shamala, Narayanaswamy

Journal:

Year:

2013

Language:

english

File:

PDF, 313 KB

english, 2013

28

Expanding the Peptide β-Turn in αγ Hybrid Sequences: 12 Atom Hydrogen Bonded Helical and Hairpin Turns

Chatterjee, Sunanda, Vasudev, Prema G., Raghothama, Srinivasarao, Ramakrishnan, Chandrasekharan, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Journal of the American Chemical Society

Year:

2009

Language:

english

File:

PDF, 3.06 MB

english, 2009

29

Investigating diproline segments in proteins: Occurrences, conformation and classification

Indranil Saha, Narayanaswamy Shamala

Journal:

Year:

2012

Language:

english

File:

PDF, 606 KB

english, 2012

30

Aib Residues in Peptaibiotics and Synthetic Sequences: Analysis of Nonhelical Conformations

Subrayashastry Aravinda, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Chemistry & Biodiversity

Year:

2008

Language:

english

File:

PDF, 1.54 MB

english, 2008

31

Helix and hairpin nucleation in short peptides using centrally positioned conformationally constrained dipeptide segments

Chandrappa, Siddappa, Aravinda, Subrayashastry, Raghothama, Srinivasarao, Sonti, Rajesh, Rai, Rajkishor, Harini, Veldore V., Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Organic & Biomolecular Chemistry

Year:

2012

Language:

english

File:

PDF, 2.06 MB

english, 2012

32

Structure and Assembly of Designed β-Hairpin Peptides in Crystals as Models for β-Sheet Aggregation †,‡

Aravinda, Subrayashastry, Harini, Veldore Vidya, Shamala, Narayanaswamy, Das, Chittaranjan, Balaram, Padmanabhan

Journal:

Year:

2004

Language:

english

File:

PDF, 1.25 MB

english, 2004

33

A Crystalline β-Hairpin Peptide Nucleated by a Type I′ Aib-D-Ala β-Turn: Evidence for Cross-Strand Aromatic Interactions

Subrayashastry Aravinda, Narayanaswamy Shamala, Rai Rajkishore, Hosahudya N. Gopi, Padmanabhan Balaram

Journal:

Angewandte Chemie

Year:

2002

Language:

english

File:

PDF, 117 KB

english, 2002

34

Aromatic interactions in model peptide β-hairpins: Ring current effects on proton chemical shifts

Appavu Rajagopal, Subrayashastry Aravinda, Srinivasarao Raghothama, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Year:

2012

Language:

english

File:

PDF, 1.76 MB

english, 2012

35

Structural Characterization of Backbone-Expanded Helices in Hybrid Peptides: (αγ)n and (αβ)n Sequences with Unconstrained β and γ Homologues of L-Val

Krishnayan Basuroy, Bhimareddy Dinesh, Prof. Narayanaswamy Shamala, Prof. Padmanabhan Balaram

Journal:

Angewandte Chemie International Edition

Year:

2012

Language:

english

File:

PDF, 1.11 MB

english, 2012

36

Hybrid αγ Polypeptides: Structural Characterization of a C12/C10 Helix with Alternating Hydrogen-Bond Polarity

Prema G. Vasudev, Sunanda Chatterjee, Kuppanna Ananda, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Angewandte Chemie International Edition

Year:

2008

Language:

english

File:

PDF, 442 KB

english, 2008

37

Structural studies of model peptides containing ?-, ?- and ?-amino acids

Sengupta, Anindita, Aravinda, Subrayashastry, Shamala, Narayanaswamy, Raja, K. Muruga Poopathi, Balaram, Padmanabhan

Journal:

Organic & Biomolecular Chemistry

Year:

2006

Language:

english

File:

PDF, 472 KB

english, 2006

38

Polypeptide Helices in Hybrid Peptide Sequences

Ananda, Kuppanna, Vasudev, Prema G., Sengupta, Anindita, Poopathi Raja, K. Muruga, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Journal of the American Chemical Society

Year:

2005

Language:

english

File:

PDF, 600 KB

english, 2005

39

Multiple Conformational States in Crystals and in Solution in αγ Hybrid Peptides. Fragility of the C 12 Helix in Short Sequences

Chatterjee, Sunanda, Vasudev, Prema G., Ananda, Kuppanna, Raghothama, Srinivasarao, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 2.15 MB

english, 2008

40

pH-Sensitive Nanostructural Transformation of a Synthetic Self-Assembling Water-Soluble Tripeptide: Nanotube to Nanovesicle

Bose, Partha Pratim, Das, Apurba Kr., Hegde, Raghurama P., Shamala, Narayanaswami, Banerjee, Arindam

Journal:

Chemistry of Materials

Year:

2007

Language:

english

File:

PDF, 2.70 MB

english, 2007

41

Peptide hairpin nucleation with the obligatory Type I' β-turn Aib-DPro segment

Raghavender, Upadhyayula Surya, Aravinda, Subrayashastry, Rai, Rajkishor, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Organic & Biomolecular Chemistry

Year:

2010

Language:

english

File:

PDF, 250 KB

english, 2010

42

Probing the Role of the C−H···O Hydrogen Bond Stabilized Polypeptide Chain Reversal at the C-terminus of Designed Peptide Helices. Structural Characterization of Three Decapeptides

Aravinda, Subrayashastry, Shamala, Narayanaswamy, Bandyopadhyay, Abhishek, Balaram, Padmanabhan

Journal:

Journal of the American Chemical Society

Year:

2003

Language:

english

File:

PDF, 897 KB

english, 2003

43

Solid state and solution conformations of a hybrid αγααγα hexapeptide. Characterization of a backbone expanded analog of the α-polypeptide 310-helix

Sunanda Chatterjee, Prema G. Vasudev, Srinivasarao Raghothama, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Year:

2008

Language:

english

File:

PDF, 982 KB

english, 2008

44

The 310 helical conformation of a pentapeptide containing ?-aminoisobutyric acid (Aib): X-ray crystal structure of Tos?(Aib)5?OMe

Shamala, Narayanaswamy, Nagaraj, Ramakrishnan, Balaram, Padmanabhan

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1978

Language:

english

File:

PDF, 191 KB

english, 1978

45

Pregabalin peptides: conformational comparison of γ3- and γ4-substituted γ-amino acids in αγααα pentapeptides

Basuroy, Krishnayan, Kantharaju, Kamanna, Aravinda, Subrayashastry, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Year:

2019

Language:

english

File:

PDF, 1.60 MB

english, 2019

46

Structural Characterization of Backbone-Expanded Helices in Hybrid Peptides: (αγ)n and (αβ)n Sequences with Unconstrained β and γ Homologues of L-Val

Krishnayan Basuroy, Bhimareddy Dinesh, Prof. Narayanaswamy Shamala, Prof. Padmanabhan Balaram

Journal:

Angewandte Chemie

Year:

2012

Language:

english

File:

PDF, 1.10 MB

english, 2012

47

ChemInform Abstract: Gabapentin: A Stereochemically Constrained γ Amino Acid Residue in Hybrid Peptide Design

Prema G. Vasudev, Sunanda Chatterjee, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Year:

2010

File:

PDF, 17 KB

2010

48

A right handed peptide helix containing a central double d-amino acid segment

Aravinda, Subrayashastry, Shamala, Narayanaswamy, Desiraju, Shrilakshmi, Balaram, Padmanabhan

Journal:

Chemical Communications

Year:

2002

Language:

english

File:

PDF, 227 KB

english, 2002

49

Promotion of Folding in Hybrid Peptides through Unconstrained γ Residues: Structural Characterization of Helices in (αγγ) n and (αγα) n Sequences

Basuroy, Krishnayan, Dinesh, Bhimareddy, Shamala, Narayanaswamy, Balaram, Padmanabhan

Journal:

Angewandte Chemie

Year:

2013

Language:

english

File:

PDF, 653 KB

english, 2013

50

Conformation of di-n-propylglycine residues (Dpg) in peptides: crystal structures of a type I′β-turn forming tetrapeptide and an α-helical tetradecapeptide

Raghurama P. Hegde, Subrayashastry Aravinda, Rajkishor Rai, Ramesh Kaul, Sarojini Vijayalakshmi, R. Balaji Rao, Narayanaswamy Shamala, Padmanabhan Balaram

Journal:

Journal of Peptide Science

Year:

2008

Language:

english

File:

PDF, 882 KB

english, 2008

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