www.elsevier.com/locate/patcog Though most approaches to protein comparison are based on their structure, several studies produced evidence of a strict correlation between the surface characteristics of proteins and the way they interact. Surface-based techniques for protein comparison typically

-state chromophore, 11-cis-ret-inal, holds the transmembrane region of the protein in the inactive confor-mation. Interactions of the chromophore with a cluster of key residues deter-mine the wavelength of the maximum absorption. Changes in these interactions among rhodopsins facilitate color discrimination

to the cortical surface. For all of the cells having widespread projections, the collaterals within their axonal fields were distributed in repeating clusters, with an average periodicity of 1 mm. This pattern of extensive clustered projections has been revealed by combining the techniques of intracellular

of both protein-protein interaction and metabolic networks is of a hierarchical scale-free nature 1,2 , characterized by an inverse relationship between the number of nodes and their connectivity (scale-free) and by a preferential interaction among highly connected genes, called hubs (hierarchical

Surface-based techniques for protein comparison and classification typically require a compact surface representation, capable of effectively condensing its description. In this paper we propose an original template-matching algorithm for multi-feature surface clustering in the biochemical context

Surface-based techniques for protein comparison and classification typically require a compact surface representation, capable of effectively condensing its description. In this paper we propose an original template-matching algorithm for multi-feature surface clustering in the biochemical context

Similarity searching in protein sequence databases is a standard technique for biologists dealing with a newly sequenced protein. Exhaustive search in such databases is prohibitive because of the large sizes of these database and because pairwise comparisons are slow. Heuristic techniques

Abstract — This paper presents a new radiosity algorithm that allows the simultaneous computation of energy exchanges between surface elements, scattering volume distributions, and groups of surfaces, or object clusters. The new technique is based on a hierarchical formulation of the zonal method

embryo fibroblasts, mouse Balb/c 3T3, and NIH 3T3 cells plated on fibronectin-coated surfaces revealed elevated phosphotyrosine levels in a cluster of proteins between 115 and 130 kD. This increase in tyrosine phosphorylation was also seen when rat embryo fibroblasts were plated on laminin or vitronectin

Projectors are currently undergoing a transformation as they evolve from static output devices to portable, environment-aware, communicating systems. An enhanced projector can determine and respond to the geometry of the display surface, and can be used in an ad-hoc cluster to create a self