2018
DOI: 10.1038/s41598-018-26497-z
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A Novel Geometry-Based Approach to Infer Protein Interface Similarity

Abstract: The protein interface is key to understand protein function, providing a vital insight on how proteins interact with each other and with other molecules. Over the years, many computational methods to compare protein structures were developed, yet evaluating interface similarity remains a very difficult task. Here, we present PatchBag – a geometry based method for efficient comparison of protein surfaces and interfaces. PatchBag is a Bag-Of-Words approach, which represents complex objects as vectors, enabling t… Show more

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Cited by 8 publications
(11 citation statements)
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“…Such transformations impose a large overhead for computational methods. Several algorithms were reported to overcome the computational complexity arising from the spatial degrees of freedom ( Nussinov and Wolfson 1991 ; Lin and Nussinov 1996 ; Brakoulias and Jackson 2004 ; Shulman-Peleg et al 2004 ; Morris et al 2005 ; Gold and Jackson 2006 ; Wallace et al 2008 , Venkatraman et al 2009 ; Yin et al 2009 ; Kihara et al 2011 ; Zhu et al 2015 ; Budowski-Tal et al 2018 ; Daberdaku and Ferrari 2019 ). However, these methods rely on human-crafted descriptors and parameters based on heuristics, which may not be optimal in capturing the full complexity of molecular surfaces.…”
Section: Introductionmentioning
confidence: 99%
“…Such transformations impose a large overhead for computational methods. Several algorithms were reported to overcome the computational complexity arising from the spatial degrees of freedom ( Nussinov and Wolfson 1991 ; Lin and Nussinov 1996 ; Brakoulias and Jackson 2004 ; Shulman-Peleg et al 2004 ; Morris et al 2005 ; Gold and Jackson 2006 ; Wallace et al 2008 , Venkatraman et al 2009 ; Yin et al 2009 ; Kihara et al 2011 ; Zhu et al 2015 ; Budowski-Tal et al 2018 ; Daberdaku and Ferrari 2019 ). However, these methods rely on human-crafted descriptors and parameters based on heuristics, which may not be optimal in capturing the full complexity of molecular surfaces.…”
Section: Introductionmentioning
confidence: 99%
“…For instance, while the GLIDE score incorporates both global and local scores, it would be possible to directly supervise Topsy-Turvy with global and local loss terms, each with a respective hyper-parameter to finely control their effects. Loss terms that quantify protein functional similarity ( Ghersi and Singh, 2014 ) or interface similarity ( Budowski-Tal et al , 2018 ; Gainza et al , 2020 ) could be added to the framework to further inform predictions. Topsy-Turvy demonstrates that a general, scalable framework that allows us to transfer both low-level (sequence-to-structure) and high-level (network topology) insights across species can enable researchers to fill in the missing links in our knowledge of biological function.…”
Section: Discussionmentioning
confidence: 99%
“…Several approaches have been proposed to reduce complex 3D information into compact signatures while preserving binding-related spatial features. For example, PatchBag characterized protein interface regions in terms of geometrical features from small surface units to search for evolutionary and functional relationships between proteins [6]. Deep Local Analysis evaluates the 3D conformational information with locally oriented cubes [45].…”
Section: Introductionmentioning
confidence: 99%