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1

Biological and Conformational Examination of Stereochemical Modifications Using the Template Melanotropin Peptide, Ac-Nle-c[Asp-His-Phe-Arg-Trp- Ala-Lys]-NH 2 , on Human Melanocortin Receptors

Haskell-Luevano, Carrie, Nikiforovich, Gregory, Sharma, Shubh D., Yang, Ying-Kui, Dickinson, Chris, Hruby, Victor J., Gantz, Ira

Journal:

Journal of Medicinal Chemistry

Year:

1997

Language:

english

File:

PDF, 332 KB

english, 1997

2

Conformational analysis of β-methyl-para-nitrophenylalanine stereoisomers of cyclo[D-Pen2, D-Pen5]enkephalin by NMR spectroscopy and conformational energy calculations

Mark D. Shenderovich, Katalin E. Kövér, Gregory V. Nikiforovich, Ding Jiao, Victor J. Hruby

Journal:

Year:

1996

Language:

english

File:

PDF, 1.18 MB

english, 1996

3

Molecular modeling and design of regioselectively addressable functionalized templates with rigidified three-dimensional structures

Gregory V. Nikiforovich, Manfred Mutter, Christian Lehmann

Journal:

Year:

1999

Language:

english

File:

PDF, 204 KB

english, 1999

4

Editorial: Current developments in computational studies of peptides

Gregory V. Nikiforovich, Garland R. Marshall

Journal:

Year:

2001

Language:

english

File:

PDF, 16 KB

english, 2001

5

Ab initio modeling of small, medium, and large loops in proteins

Stan Galaktionov, Gregory V. Nikiforovich, Garland R. Marshall

Journal:

Year:

2001

Language:

english

File:

PDF, 544 KB

english, 2001

6

A minimalistic 3D pharmacophore model for cyclopentapeptide CXCR4 antagonists

Jon Våbenø, Gregory V. Nikiforovich, Garland R. Marshall

Journal:

Year:

2006

Language:

english

File:

PDF, 318 KB

english, 2006

7

Topographical requirements for δ-selective opioid peptides

Gregory V. Nikiforovich, Victor J. Hruby, Om Prakash, Catherine A. Gehrig

Journal:

Year:

1991

Language:

english

File:

PDF, 1.00 MB

english, 1991

8

Conformationally readdressed CCK-B/δ-opioid pepitide ligands

Gregory V. Nikiforovich, Stephen A. Kolodziej, Bruce Nock, Nicole Bernad, Jean Martinez, Garland R. Marshall

Journal:

Year:

1995

Language:

english

File:

PDF, 1.19 MB

english, 1995

9

Exploring new near-infrared fluorescent disulfide-based cyclic RGD peptide analogs for potential integrin-targeted optical imaging

Yunpeng Ye, Baogang Xu, Gregory V. Nikiforovich, Sharon Bloch, Samuel Achilefu

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2011

Language:

english

File:

PDF, 600 KB

english, 2011

10

Topographical requirements for delta opioid ligands: The synthesis and biological properties of a cyclic analogue of deltorphin I

Aleksandra Misicka, Gregory Nikiforovich, Andrzej W. Lipkowski, Robert Horvath, Peg Davis, Thomas H. Kramer, Henry I. Yamamura, Victor J. Hruby

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

1992

Language:

english

File:

PDF, 407 KB

english, 1992

11

Possible locally driven folding pathways of TC5b, a 20-residue protein

Gregory V. Nikiforovich, Niels H. Andersen, R. Matthew Fesinmeyer, Carl Frieden

Journal:

Proteins: Structure, Function, and Bioinformatics

Year:

2003

Language:

english

File:

PDF, 288 KB

english, 2003

12

Modeling the possible conformations of the extracellular loops in G-protein-coupled receptors

Gregory V. Nikiforovich, Christina M. Taylor, Garland R. Marshall, Thomas J. Baranski

Journal:

Proteins: Structure, Function, and Bioinformatics

Year:

2010

Language:

english

File:

PDF, 486 KB

english, 2010

13

Simplified modeling approach suggests structural mechanisms for constitutive activation of the C5a receptor

Gregory V. Nikiforovich, Garland R. Marshall, Thomas J. Baranski

Journal:

Proteins: Structure, Function, and Bioinformatics

Year:

2011

Language:

english

File:

PDF, 491 KB

english, 2011

14

Structural mechanisms of constitutive activation in the C5a receptors with mutations in the extracellular loops: Molecular modeling study

Gregory V. Nikiforovich, Thomas J. Baranski

Journal:

Proteins: Structure, Function, and Bioinformatics

Year:

2012

Language:

english

File:

PDF, 641 KB

english, 2012

15

Towards nonpeptide agonists: Design of ‘true’ peptidomimetics

Gregory V. Nikiforovich

Journal:

International Journal of Peptide Research and Therapeutics

Year:

1995

Language:

english

File:

PDF, 355 KB

english, 1995

16

3D modeling for TM receptors: Algorithms and validations

Gregory V. Nikiforovich, Stan Galaktionov, Vladimir M. Tseitin, David R. Lowis, Mark D. Shenderovich, Garland R. Marshall

Journal:

International Journal of Peptide Research and Therapeutics

Year:

1998

Language:

english

File:

PDF, 261 KB

english, 1998

17

Modeling binding modes of angiotensin II and pseudopeptide analogues to the AT2 receptor

Christian Sköld, Gregory Nikiforovich, Anders Karlén

Journal:

Journal of Molecular Graphics and Modelling

Year:

2008

Language:

english

File:

PDF, 1.14 MB

english, 2008

18

X-Ray structure of Tyr-D-Tic-Phe-Phe-NH2 (D-TIPP-NH2), a highly potent μ-receptor selective opioid agonist. Comparisons with proposed model structures

JUDITH L. FLIPPEN-ANDERSON, JEFFREY R. DESCHAMPS, CLIFFORD GEORGE, P. ANANTHA REDDY, ANITA H. LEWIN, GEORGE A. BRINE, GEORGE SHELDRICK, GREGORY NIKIFOROVICH

Journal:

Chemical Biology & Drug Design

Year:

1997

Language:

english

File:

PDF, 675 KB

english, 1997

19

Complement factor 5a receptor chimeras reveal the importance of lipid-facing residues in transport competence

Jeffery M. Klco, Saurabh Sen, Jakob L. Hansen, Christina Lyngsø, Gregory V. Nikiforovich, Soren P. Sheikh, Thomas J. Baranski

Journal:

Year:

2009

Language:

english

File:

PDF, 604 KB

english, 2009

20

Insight into the Binding Mode for Cyclopentapeptide Antagonists of the CXCR4 Receptor

Jon Våbenø, Gregory V. Nikiforovich, Garland R. Marshall

Journal:

Chemical Biology & Drug Design

Year:

2006

Language:

english

File:

PDF, 407 KB

english, 2006

21

Interactions between Conserved Residues in Transmembrane Helices 2 and 7 during Angiotensin AT1 Receptor Activation

Gregory V. Nikiforovich, Meng Zhang, Qing Yang, Gowraganahalli Jagadeesh, Hao-Chia Chen, László Hunyady, Garland R. Marshall, Kevin J. Catt

Journal:

Chemical Biology & Drug Design

Year:

2006

Language:

english

File:

PDF, 382 KB

english, 2006

22

Molecular Modeling Suggests Conformational Scaffolds Specifically Targeting Five Subtypes of Somatostatin Receptors

Gregory V. Nikiforovich, Garland R. Marshall, Samuel Achilefu

Journal:

Chemical Biology & Drug Design

Year:

2007

Language:

english

File:

PDF, 834 KB

english, 2007

23

Conformational Movement of F251 Contributes to the Molecular Mechanism of Constitutive Activation in the C5a Receptor

Saurabh Sen, Thomas J. Baranski, Gregory V. Nikiforovich

Journal:

Chemical Biology & Drug Design

Year:

2008

Language:

english

File:

PDF, 216 KB

english, 2008

24

Ratiometric Analysis of Fluorescence Lifetime for Probing Binding Sites in Albumin with Near-Infrared Fluorescent Molecular Probes

Mikhail Y. Berezin, Hyeran Lee, Walter Akers, Gregory Nikiforovich, Samuel Achilefu

Journal:

Photochemistry and Photobiology

Year:

2007

Language:

english

File:

PDF, 566 KB

english, 2007

25

3D Modeling for TM Receptors: Algorithms and Validations

Gregory V. Nikiforovich, Stan Galaktionov, Vladimir M. Tseitin, David R. Lowis, Mark D. Shenderovich, Garland R. Marshall

Journal:

International Journal of Peptide Research and Therapeutics

Year:

1998

Language:

english

File:

PDF, 27 KB

english, 1998

26

Dynamic space structure of the Leu-enkephalin molecule in DMSO solution

Boris Vesterman, Juris Saulitis, Janis Betins, Edvards Liepins, Gregory V. Nikiforovich

Journal:

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology

Year:

1989

Language:

english

File:

PDF, 738 KB

english, 1989

27

Conformational interpretation of intramolecular electron transfer in Met5-enkephalins between Tyr and Met(S:.Br) radical

Boris Vesterman, Krzysztof Bobrowski, Janis Betins, Gregory V. Nikiforovich, Kazimierz L. Wierzchowski

Journal:

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology

Year:

1991

Language:

english

File:

PDF, 250 KB

english, 1991

28

Comparison of the retinitis pigmentosa mutations in rhodopsin with a functional map of the C5a receptor

Ian S. Hagemann, Gregory V. Nikiforovich, Thomas J. Baranski

Journal:

Vision Research

Year:

2006

Language:

english

File:

PDF, 1.55 MB

english, 2006

29

Conformational features responsible for the binding of cyclic analogues of enkephalin to opioid receptors : II. Models of μ- and δ-receptor-bound structures for analogues containing Phe4

GREGORY V. NIKIFOROVICH, ALEXANDER A. GOLBRAIKH, MARK D. SHENDEROVICH, JURIS BALODIS

Journal:

Chemical Biology & Drug Design

Year:

1990

Language:

english

File:

PDF, 720 KB

english, 1990

30

Conformational features responsible for the binding of cyclic analogues of enkephalin to opioid receptors III. Probable binding conformations of μ-agonists with phenylalanine in position 3

MARK D. SHENDEROVICH, GREGORY V. NIKIFOROVICH, ALEXANDER A. GOLBRAIKH

Journal:

Chemical Biology & Drug Design

Year:

1991

Language:

english

File:

PDF, 911 KB

english, 1991

31

Conformational analysis of [Cpp1, Sar7, Arg8] vasopressin by 1H-NMR spectroscopy and molecular mechanics calculations

MARK D. SHENDEROVICH, FRANCISZEK KASPRZYKOWSKI, ADAM LIWO, ILMARS SEKACIS, JURIS SAULITIS, GREGORY V. NIKIFOROVICH

Journal:

Chemical Biology & Drug Design

Year:

1991

Language:

english

File:

PDF, 936 KB

english, 1991

32

Sequence-dependent modification of Trp by the Pmc protecting group of Arg during TFA deprotection

ALENA STIERANDOVÁ, NIKOLAI F. SEPETOV, GREGORY V. NIKIFOROVICH, MICHAL LEBL

Journal:

Chemical Biology & Drug Design

Year:

1994

Language:

english

File:

PDF, 688 KB

english, 1994

33

Conformation-function relationships in LHRH analogs : II. Conformations of LHRH peptide agonists and antagonists

GREGORY V. NIKIFOROVICH, GARLAND R. MARSHALL

Journal:

Chemical Biology & Drug Design

Year:

1993

Language:

english

File:

PDF, 872 KB

english, 1993

34

Conformation-function relationships in LHRH analogs : I. Conformations of LHRH peptide backbone

GREGORY V. NIKIFOROVICH, GARLAND R. MARSHALL

Journal:

Chemical Biology & Drug Design

Year:

1993

Language:

english

File:

PDF, 555 KB

english, 1993

35

Computational molecular modeling in peptide drug design

GREGORY V. NIKIFOROVICH

Journal:

Chemical Biology & Drug Design

Year:

1994

Language:

english

File:

PDF, 2.10 MB

english, 1994

36

3D Model for TM Region of the AT-1 Receptor in Complex with Angiotensin II Independently Validated by Site-Directed Mutagenesis Data

Gregory V. Nikiforovich, Garland R. Marshall

Journal:

Biochemical and Biophysical Research Communications

Year:

2001

Language:

english

File:

PDF, 182 KB

english, 2001

37

3D modeling of the activated states of constitutively active mutants of rhodopsin

Gregory V. Nikiforovich, Garland R. Marshall

Journal:

Biochemical and Biophysical Research Communications

Year:

2006

Language:

english

File:

PDF, 229 KB

english, 2006

38

Structural models for the complex of chemotaxis inhibitory protein of Staphylococcus aureus with the C5a receptor

Gregory V. Nikiforovich, Thomas J. Baranski

Journal:

Biochemical and Biophysical Research Communications

Year:

2009

Language:

english

File:

PDF, 289 KB

english, 2009

39

Examination of the conformational meaning of “δ-address” in the dermenkephalin sequence

Gregory V. Nikiforovich, Victor J. Hruby

Journal:

Biochemical and Biophysical Research Communications

Year:

1990

Language:

english

File:

PDF, 424 KB

english, 1990

40

Conformational aspects of angiotensinogen analogues with renin inhibitory activity

Inta Liepina, Gregory V. Nikiforovich, Antonio C.M. Paiva

Journal:

Biochemical and Biophysical Research Communications

Year:

1984

Language:

english

File:

PDF, 263 KB

english, 1984

41

Modeling Flexible Loops in the Dark-Adapted and Activated States of Rhodopsin, a Prototypical G-Protein-Coupled Receptor

Nikiforovich, Gregory V., Marshall, Garland R.

Journal:

Biophysical Journal

Year:

2005

Language:

english

File:

PDF, 488 KB

english, 2005

42

Defining the Interface between the C-terminal Fragment of α-Transducin and Photoactivated Rhodopsin

Taylor, Christina M., Nikiforovich, Gregory V., Marshall, Garland R.

Journal:

Biophysical Journal

Year:

2007

Language:

english

File:

PDF, 374 KB

english, 2007

43

Modeling Molecular Mechanisms of Binding of the Anaphylatoxin C5a to the C5a Receptor †

Nikiforovich, Gregory V., Marshall, Garland R., Baranski, Thomas J.

Journal:

Year:

2008

Language:

english

File:

PDF, 2.11 MB

english, 2008

44

Conformational Templates for Rational Drug Design: Flexibility of cyclo ( d -Pro 1 -Ala 2 -Ala 3 -Ala 4 -Ala 5 ) in DMSO Solution

Zhang, Xiaoming, Nikiforovich, Gregory V., Marshall, Garland R.

Journal:

Journal of Medicinal Chemistry

Year:

2007

Language:

english

File:

PDF, 124 KB

english, 2007

45

Novel Cyclic Analogs of Angiotensin II with Cyclization between Positions 5 and 7: Conformational and Biological Implications

Zhang, Wei-Jun, Nikiforovich, Gregory V., Pérodin, Jacqueline, Richard, Darren E., Escher, Emanuel, Marshall, Garland R.

Journal:

Journal of Medicinal Chemistry

Year:

1996

Language:

english

File:

PDF, 167 KB

english, 1996

46

Cyclopentapeptides as Flexible Conformational Templates

Nikiforovich, Gregory V., Kövér, Katalin E., Zhang, Wei-Jun, Marshall, Garland R.

Journal:

Journal of the American Chemical Society

Year:

2000

Language:

english

File:

PDF, 212 KB

english, 2000

47

Three-Dimensional Model for Meta-II Rhodopsin, an Activated G-Protein-Coupled Receptor †

Nikiforovich, Gregory V., Marshall, Garland R.

Journal:

Year:

2003

Language:

english

File:

PDF, 1.02 MB

english, 2003

48

Targeting Beta-3 Integrin Using a Linear Hexapeptide Labeled with a Near-Infrared Fluorescent Molecular Probe

Bloch, Sharon, Xu, Baogang, Ye, Yunpeng, Liang, Kexian, Nikiforovich, Gregory V., Achilefu, Samuel

Journal:

Molecular Pharmaceutics

Year:

2006

Language:

english

File:

PDF, 1021 KB

english, 2006

49

Conformational Analysis of Two Cyclic Analogs of Angiotensin: Implications for the Biologically Active Conformation

Nikiforovich, Gregory V., Kao, Jeff L.-F., Plucinska, Krystyna, Zhang, Wei Jun, Marshall, Garland R.

Journal:

Year:

1994

Language:

english

File:

PDF, 862 KB

english, 1994

50

Synthesis and Characterization of a Macrocyclic Near-Infrared Optical Scaffold

Ye, Yunpeng, Li, Wen Ping, Anderson, Carolyn J., Kao, Jeffery, Nikiforovich, Gregory V., Achilefu, Samuel

Journal:

Journal of the American Chemical Society

Year:

2003

Language:

english

File:

PDF, 66 KB

english, 2003