Research Topics
| Ajay N JainSummaryAffiliation: University of California Country: USA Publications
Research Grants
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Detail Information
Publications
Customizing scoring functions for dockingTuan A Pham
University of California, San Francisco, Box 0128, San Francisco, CA 94143 0128, USA
J Comput Aided Mol Des 22:269-86. 2008..Analysis of the changes to the scoring function suggest that modifications can be learned that are related to protein-specific features such as active-site mobility...
Does your model weigh the same as a duck?Ajay N Jain
Department of Bioengineering and Therapeutic Sciences, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA 94158 9001, USA
J Comput Aided Mol Des 26:57-67. 2012..These fallacies will be discussed in the context of off-target predictive modeling, QSAR, molecular similarity computations, and docking. Examples will be shown that avoid these problems...
Effects of protein conformation in docking: improved pose prediction through protein pocket adaptationAjay N Jain
Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, CA 94158 9001, USA
J Comput Aided Mol Des 23:355-74. 2009..Consideration of the best of two pose families (from alternate scoring regimes) yields a 75% mean success rate...
Recommendations for evaluation of computational methodsAjay N Jain
University of California San Francisco, Box 0128, San Francisco, CA 94143 0128, USA
J Comput Aided Mol Des 22:133-9. 2008..Here we propose a modest beginning, with recommendations for requirements on statistical reporting, requirements for data sharing, and best practices for benchmark preparation and usage...
QMOD: physically meaningful QSARAjay N Jain
Department of Bioengineering and Therapeutic Sciences, Helen Diller Family Comprehensive Cancer Center, University of California, 1450 3rd Street, Room D373, MC 0128, P O Box 589001, San Francisco, CA 94158 9001, USA
J Comput Aided Mol Des 24:865-78. 2010..The QMOD method offers a means to go beyond non-causative correlations in QSAR analysis...
Bias, reporting, and sharing: computational evaluations of docking methodsAjay N Jain
University of California San Francisco, Box 0128, San Francisco, CA 94143 0128, USA
J Comput Aided Mol Des 22:201-12. 2008..This paper presents detailed examples of pitfalls in each area and makes recommendations as to best practices...
Surflex-Dock 2.1: robust performance from ligand energetic modeling, ring flexibility, and knowledge-based searchAjay N Jain
Department of Biopharmaceutical Sciences, UCSF Cancer Research Institute, University of California San Francisco, Box 0128, San Francisco, CA 94143 0128, USA
J Comput Aided Mol Des 21:281-306. 2007....
Scoring functions for protein-ligand dockingAjay N Jain
UCSF Cancer Research Institute, Department of Biopharmaceutical Sciences, University of California, San Francisco, CA 94143 0218, USA
Curr Protein Pept Sci 7:407-20. 2006..Generally, performance is not good enough to correctly rank among true ligands. Strategies for improvement are discussed...
Surflex-Dock: Docking benchmarks and real-world applicationRussell Spitzer
Deparment of Bioengineering and Therapeutic Sciences, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA, USA
J Comput Aided Mol Des 26:687-99. 2012..In addition, use of multiple protein conformations significantly improved screening enrichment...
Parameter estimation for scoring protein-ligand interactions using negative training dataTuan A Pham
Cancer Research Institute, Department of Biopharmaceutical Sciences, University of California, San Francisco, 2340 Sutter Street, San Francisco, California 94143-0128, USA
J Med Chem 49:5856-68. 2006..Maximal enrichment of true ligands over nonligands exceeded 20-fold in over 80% of cases, with enrichment of greater than 100-fold in over 50% of cases...
Surface-based protein binding pocket similarityRussell Spitzer
Department of Bioengineering and Therapeutic Sciences, Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, California 94158 9001, USA
Proteins 79:2746-63. 2011..Local protein binding pocket similarity provides qualitatively complementary information to other approaches, and it can yield quantitative information in support of functional annotation...
Chemical structural novelty: on-targets and off-targetsEmmanuel R Yera
University of California, San Francisco, Department of Bioengineering and Therapeutic Sciences, Helen Diller Family Comprehensive Cancer Center, San Francisco, California 94158, United States
J Med Chem 54:6771-85. 2011..Drug pairs that shared high 3D similarity but low 2D similarity (i.e., a novel scaffold) were shown to be much more likely to exhibit pharmacologically relevant differences in terms of specific protein target modulation...
Robust ligand-based modeling of the biological targets of known drugsAnn E Cleves
UCSF Cancer Research Institute and Department of Biopharmaceutical Sciences, University of California, San Francisco, California 94143, USA
J Med Chem 49:2921-38. 2006..Predicted activities derived from crossing drugs against modeled targets identified a number of known side effects, drug specificities, and drug-drug interactions that have a rational basis in molecular structure...
Ligand-based structural hypotheses for virtual screeningAjay N Jain
UCSF Cancer Research Institute and Comprehensive Cancer Center, University of California, San Francisco, California 94143 0128, USA
J Med Chem 47:947-61. 2004..The methods are practically applicable for rational design of ligands and for high-throughput virtual screening and offer competitive performance to many structure-based docking algorithms...
Physical binding pocket induction for affinity predictionJames J Langham
Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California 94158 9001, USA
J Med Chem 52:6107-25. 2009....
Iterative refinement of a binding pocket model: active computational steering of lead optimizationRocco Varela
Department of Bioengineering and Therapeutic Sciences, University of California, San Francisco, California 94143 0912, USA
J Med Chem 55:8926-42. 2012....
Accurate and interpretable computational modeling of chemical mutagenicityJames J Langham
Cancer Research Institute, University of California, San Francisco, 2340 Sutter Street, San Francisco, California 94143 0128, USA
J Chem Inf Model 48:1833-9. 2008..While we have focused on chemical mutagenicity in demonstrating this method, we anticipate that it may be more generally useful in modeling other molecular properties such as other types of chemical toxicity...
Virtual screening in lead discovery and optimizationAjay N Jain
University of California, San Francisco, Cancer Research Institute and Comprehensive Cancer Center, Box 0128, San Francisco, CA 94143 0128, USA
Curr Opin Drug Discov Devel 7:396-403. 2004..This review will discuss recent advances in both domains of virtual screening, including theoretical and practical advances and the implications for their application...
Surflex: fully automatic flexible molecular docking using a molecular similarity-based search engineAjay N Jain
UCSF Cancer Research Institute and Comprehensive Cancer Center, University of California, San Francisco, California 94143 0128, USA
J Med Chem 46:499-511. 2003..Docking time was roughly linear in number of rotatable bonds, beginning with a few seconds for rigid molecules and adding approximately 10 s per rotatable bond...
A deterministic motif finding algorithm with application to the human genomeLawrence S Hon
UCSF Cancer Research Institute and Comprehensive Cancer Center, University of California San Francisco, CA, USA
Bioinformatics 22:1047-54. 2006..MaMF is a very fast algorithm, suitable for application to large numbers of interesting gene sets...
Effects of inductive bias on computational evaluations of ligand-based modeling and on drug discoveryAnn E Cleves
BioPharmics LLC, 36 Avila Road, San Mateo, CA 94402, USA
J Comput Aided Mol Des 22:147-59. 2008..We propose specific strategies to explicitly address the problems posed by inductive bias considerations...
Pathway recognition and augmentation by computational analysis of microarray expression dataBarbara A Novak
UCSF Cancer Research Institute and Comprehensive Cancer Center, University of California at San Francisco San Francisco, CA 94143-0128, USA
Bioinformatics 22:233-41. 2006..AVAILABILITY: The software is available for academic research use free of charge by email request. SUPPLEMENTARY INFORMATION: Data used in the paper may be downloaded from http://www.jainlab.org/downloads.html..
Research Grants
- Machine Learning in Chemistry and BiologyAjay Jain; Fiscal Year: 2009..All methods and data will be made widely available to both academic and industrial investigators. ..
- Data-Driven Approaches for Molecular DockingAjay N Jain; Fiscal Year: 2010..Our proposed work is to make substantial improvements in both the docking case (where we know a protein structure) and in the ligand-based modeling case (where we do not). ..
