Evidence map›Paper›PMID 25262355›Full record

ArticleNucleic acids research2015

NrichD database: sequence databases enriched with computationally designed protein-like sequences aid in remote homology detection.

Richa Mudgal, Sankaran Sandhya, Gayatri Kumar, Ramanathan Sowdhamini, Nagasuma R Chandra, Narayanaswamy Srinivasan

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Article in Nucleic acids research, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.

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6citing papers in PubMed
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6 citing papers in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Richa MudgalIISc Mathematics Initiative, Indian Institute of Science, Bangalore 560 012, Karnataka, India.
Sankaran SandhyaDepartment of Biochemistry, Indian Institute of Science, Bangalore 560 012, Karnataka, India.
Gayatri KumarMolecular Biophysics Unit, Indian Institute of Science, Bangalore 560 012, Karnataka, India.
Ramanathan SowdhaminiNational Centre for Biological Sciences, Gandhi Krishi Vignan Kendra Campus, Bellary road, Bangalore 560 065, Karnataka, India.
Nagasuma R ChandraDepartment of Biochemistry, Indian Institute of Science, Bangalore 560 012, Karnataka, India.
Narayanaswamy SrinivasanMolecular Biophysics Unit, Indian Institute of Science, Bangalore 560 012, Karnataka, India ns@mbu.iisc.ernet.in.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

NrichD (http://proline.biochem.iisc.ernet.in/NRICHD/) is a database of computationally designed protein-like sequences, augmented into natural sequence databases that can perform hops in protein sequence space to assist in the detection of remote relationships. Establishing protein relationships in the absence of structural evidence or natural 'intermediately related sequences' is a challenging task. Recently, we have demonstrated that the computational design of artificial intermediary sequences/linkers is an effective approach to fill naturally occurring voids in protein sequence space. Through a large-scale assessment we have demonstrated that such sequences can be plugged into commonly employed search databases to improve the performance of routinely used sequence search methods in detecting remote relationships. Since it is anticipated that such data sets will be employed to establish protein relationships, two databases that have already captured these relationships at the structural and functional domain level, namely, the SCOP database and the Pfam database, have been 'enriched' with these artificial intermediary sequences. NrichD database currently contains 3,611,010 artificial sequences that have been generated between 27,882 pairs of families from 374 SCOP folds. The data sets are freely available for download. Additional features include the design of artificial sequences between any two protein families of interest to the user.

Indexed as

Databases, ProteinSequence Homology, Amino AcidComputational BiologyInternetMolecular Sequence AnnotationProtein Structure, TertiarySequence Analysis, Protein

Identifiers

PMID25262355
PMCPMC4384005

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