Artem Cherkasov

Effect of insertions and deletions (indels) on wirings in protein-protein interaction networks: a large-scale study (2009)

Fereydoun Hormozdiari, Michael Hsing, Raheleh Salari, Er Schönhuth, Simon K. Chan, S. Cenk Sahinalp, ...

Although insertions and deletions (indels) are a common type of sequence variation, their origin and their functional consequences have not yet been fully understood. It has been known that indels...

The use of Gene Ontology terms for predicting highly-connected 'hub' nodes in protein-protein interaction networks (2008)

Hsing, Michael, Byler, Kendall, Cherkasov, Artem

Abstract Background Protein-protein interactions mediate a wide range of cellular functions and responses and have been studied rigorously through recent large-scale proteomics experiments and...

Indel PDB: A database of structural insertions and deletions derived from sequence alignments of closely related proteins (2008)

Hsing, Michael, Cherkasov, Artem

Abstract Background Insertions and deletions (indels) represent a common type of sequence variations, which are less studied and pose many important biological questions. Recent research has shown...

BIOINFORMATICS ORIGINAL PAPER doi:10.1093/bioinformatics/btm068 Databases and ontologies AMPer: a database and an automated discovery tool for antimicrobial peptides (2008)

Christopher D. Fjell, Artem Cherkasov

Motivation: Increasing antibiotics resistance in human pathogens represents a pressing public health issue worldwide for which novel antibiotic therapies based on antimicrobial peptides (AMPs) may...

The Current State of Biological Data (2008)

Michael Hsing, Artem Cherkasov

Abstract: In recent years, the broad utilization of high-throughput experimental techniques resulted in a vast amount of expression and interaction data, accompanied by information on metabolic, cell...

Relationship between insertion/deletion (indel) frequency of proteins and essentiality (2007)

Chan, Simon K, Hsing, Michael, Hormozdiari, Fereydoun, Cherkasov, Artem

Abstract Background In a previous study, we demonstrated that some essential proteins from pathogenic organisms contained sizable insertions/deletions (indels) when aligned to human proteins of high...

AMPer: a database and an automated discovery tool for antimicrobial peptides (2007)

Fjell, Christopher D., Hancock, Robert E.W., Cherkasov, Artem

Motivation: Increasing antibiotics resistance in human pathogens represents a pressing public health issue worldwide for which novel antibiotic therapies based on antimicrobial peptides (AMPs) may...

766 Combinatorial QSAR Modeling of Chemical Toxicants Tested against (2007)

Tetrahymena Pyriformis, Hao Zhu, Er Tropsha, Denis Fourches, Re Varnek, Ester Papa, ...

Selecting most rigorous quantitative structure-activity relationship (QSAR) approaches is of great importance in the development of robust and predictive models of chemical toxicity. To address this...

AMPer: A Database and an Automated Discovery Tool for Antimicrobial Peptides. (2007)

Fjell, Christopher D., Hancock, Robert E.W., Cherkasov, Artem

Motivation: Increasing antibiotics resistance in human pathogens represents a pressing public health issue worldwide for which novel antibiotic therapies based on antimicrobial peptides (AMPs) may...

Distance Based Algorithms for Small Biomolecule Classification (2006)

And Structural Similarity, Emre Karakoc, Artem Cherkasov, S. Cenk Sahinalp

Structural similarity search among small molecules is a standard tool used in molecular classification and insilico drug discovery. The effectiveness of this general approach depends on how well the...

Comparative QSAR- and Fragments Distribution Analysis of Drugs (2006)

Emre Karakoc, S. Cenk Sahinalp, Artem Cherkasov

A number of binary QSAR models have been developed using methods of artificial neural networks, k-nearest neighbors, linear discriminative analysis, and multiple linear regression and have been...

Distance based algorithms for small biomolecule classification and structural similarity search (2006)

Karakoc, Emre, Cherkasov, Artem, Sahinalp, S. Cenk

Motivation: Structural similarity search among small molecules is a standard tool used in molecular classification and in-silico drug discovery. The effectiveness of this general approach depends on...

Prediction of HLA-A2 binding peptides using Bayesian network (2005)

Vadim Astakhov, Artem Cherkasov

Prediction of peptides binding to HLA (human leukocyte antigen) finds application in peptide vaccine design. A number of statistical and structural models have been developed in recent years for HLA...

Inductive QSAR Descriptors. Distinguishing Compounds with Antibacterial Activity by Artificial Neural Networks (2005)

Artem Cherkasov

Abstract: On the basis of the previous models of inductive and steric effects, ‘inductive’ electronegativity and molecular capacitance, a range of new...

Inductive QSAR Descriptors. Distinguishing Compounds with Antibacterial Activity by Artificial Neural Networks (2005)

Artem Cherkasov

Abstract: On the basis of the previous models of inductive and steric effects, ‘inductive’ electronegativity and molecular capacitance, a range of new ‘inductive ’ QSAR descriptors has been...

Modeling of cell signaling pathways in macrophages by semantic networks (2004)

Hsing, Michael, Bellenson, Joel L, Shankey, Conor, Cherkasov, Artem

Abstract Background Substantial amounts of data on cell signaling, metabolic, gene regulatory and other biological pathways have been accumulated in literature and electronic databases....

Structural characterization of genomes by large scale sequence-structure threading: application of reliability analysis in structural genomics (2004)

Cherkasov, Artem, Ho Sui, Shannan J, Brunham, Robert C, Jones, Steven JM

Abstract Background We establish that the occurrence of protein folds among genomes can be accurately described with a Weibull function. Systems which exhibit Weibull character can be interpreted...

An approach to large scale identification of non-obvious structural similarities between proteins (2004)

Cherkasov, Artem, Jones, Steven JM

Abstract Background A new sequence independent bioinformatics approach allowing genome-wide search for proteins with similar three dimensional structures has been developed. By utilizing the...

Structural characterization of genomes by large scale sequence-structure threading (2004)

Cherkasov, Artem, Jones, Steven JM

Abstract Background Using sequence-structure threading we have conducted structural characterization of complete proteomes of 37 archaeal, bacterial and eukaryotic organisms (including worm, fly,...

Application of ‘Inductive’ QSAR Descriptors for Quantification of Antibacterial Activity of Cationic Polypeptides (2004)

Artem Cherkasov, Bojana Jankovic

On the basis of the inductive QSAR descriptors we have created a neural network-based solution enabling quantification of antibacterial activity in the series of 101 synthetic cationic polypeptides...

BMC Bioinformatics BioMed Central (2004)

Artem Cherkasov, Steven Jm Jones

Research article Structural characterization of genomes by large scale sequence-structure threading

Molecular Analysis of the Multiple GroEL Proteins of Chlamydiae

Karunakaran, Karuna P., Noguchi, Yasuyuki, Read, Timothy D., Cherkasov, Artem, Kwee, Jeffrey, Shen, Caixia, ...

Genome sequencing revealed that all six chlamydiae genomes contain three groEL-like genes (groEL1, groEL2, and groEL3). Phylogenetic analysis of groEL1, groEL2, and groEL3 indicates that these genes...

Evidence That Plant-Like Genes in Chlamydia Species Reflect an Ancestral Relationship between Chlamydiaceae, Cyanobacteria, and the Chloroplast

Brinkman, Fiona S.L., Blanchard, Jeffrey L., Cherkasov, Artem, Av-Gay, Yossef, Brunham, Robert C., Fernandez, Rachel C., ...

An unusually high proportion of proteins encoded in Chlamydia genomes are most similar to plant proteins, leading to proposals that a Chlamydia ancestor obtained genes from a plant or plant-like host...

Molecular Analysis of the Multiple GroEL Proteins of Chlamydiae

Karunakaran, Karuna P., Noguchi, Yasuyuki, Read, Timothy D., Cherkasov, Artem, Kwee, Jeffrey, Shen, Caixia, ...

Genome sequencing revealed that all six chlamydiae genomes contain three groEL-like genes (groEL1, groEL2, and groEL3). Phylogenetic analysis of groEL1, groEL2, and groEL3 indicates that these genes...

Evidence That Plant-Like Genes in Chlamydia Species Reflect an Ancestral Relationship between Chlamydiaceae, Cyanobacteria, and the Chloroplast

Brinkman, Fiona S.L., Blanchard, Jeffrey L., Cherkasov, Artem, Av-Gay, Yossef, Brunham, Robert C., Fernandez, Rachel C., ...

An unusually high proportion of proteins encoded in Chlamydia genomes are most similar to plant proteins, leading to proposals that a Chlamydia ancestor obtained genes from a plant or plant-like host...

Prediction of HLA-A2 binding peptides using Bayesian network

Astakhov, Vadim, Cherkasov, Artem

Prediction of peptides binding to HLA (human leukocyte antigen) finds application in peptide vaccine design. A number of statistical and structural models have been developed in recent years for HLA...