Results 11 to 20 of about 1,966,827 (316)

Exploring Protein Sequence Space Using Computationally Directed Recombination [PDF]

open access: yes, 2006
Evolution has provided us with many protein sequences. However, these sequences represent a very small fraction of the possible sequences. In the laboratory, scientists have explored areas of sequence space not represented by natural proteins both to ...
Meyer, Michelle Margaret
core   +1 more source

Statistical Models of the Protein Fitness Landscape: Applications to Protein Evolution and Engineering [PDF]

open access: yes, 2012
Understanding the protein fitness landscape is important for describing how natural proteins evolve and for engineering new proteins with useful properties.
Romero, Philip Anthony
core   +1 more source

Density Peak clustering of protein sequences associated to a Pfam clan reveals clear similarities and interesting differences with respect to manual family annotation

open access: yesBMC Bioinformatics, 2021
Background The identification of protein families is of outstanding practical importance for in silico protein annotation and is at the basis of several bioinformatic resources.
Elena Tea Russo   +2 more
doaj   +1 more source

Coevolutionary Analysis of Protein Subfamilies by Sequence Reweighting

open access: yesEntropy, 2019
Extracting structural information from sequence co-variation has become a common computational biology practice in the recent years, mainly due to the availability of large sequence alignments of protein families.
Duccio Malinverni, Alessandro Barducci
doaj   +1 more source

Computational Protein Design Force Field Optimization: A Negative Design Approach [PDF]

open access: yes, 2007
An accurate force field is essential to computational protein design and protein folding studies. Proper force field tuning is problematic, however, due in part to the incomplete modeling of the unfolded state.
Alvizo, Oscar
core   +1 more source

iSeqSearch: incremental protein search for iBlast/iMMSeqs2/iDiamond [PDF]

open access: yesPeerJ
Background The advancement of sequencing technology has led to a rapid increase in the amount of DNA and protein sequence data; consequently, the size of genomic and proteomic databases is constantly growing.
Hyunwoo Yoo   +5 more
doaj   +2 more sources

SeqCP: A sequence-based algorithm for searching circularly permuted proteins

open access: yesComputational and Structural Biotechnology Journal, 2023
Circular permutation (CP) is a protein sequence rearrangement in which the amino- and carboxyl-termini of a protein can be created in different positions along the imaginary circularized sequence.
Chi-Chun Chen   +4 more
doaj   +1 more source

Development and Validation of Optimization Methods for the Design of Protein Sequences and Combinatorial Libraries [PDF]

open access: yes, 2009
To facilitate the design of protein sequences with desired properties, simulation techniques have been developed to allow large portions of amino acid sequence space to be evaluated by computer.
Allen, Benjamin Daniel
core   +1 more source

Analysis of protein chameleon sequence characteristics [PDF]

open access: yesBioinformation, 2009
Conversion of local structural state of a protein from an alpha-helix to a beta-strand is usually associated with a major change in the tertiary structure. Similar changes were observed during the self assembly of amyloidogenic proteins to form fibrils, which are implicated in severe diseases conditions, e.g., Alzheimer disease. Studies have emphasized
Ghozlane, Amine   +3 more
openaire   +3 more sources

Species-specific analysis of protein sequence motifs using mutual information

open access: yesBMC Bioinformatics, 2005
Background Protein sequence motifs are by definition short fragments of conserved amino acids, often associated with a specific function. Accordingly protein sequence profiles derived from multiple sequence alignments provide an alternative description ...
Weckwerth Wolfram   +3 more
doaj   +1 more source

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