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The laminin B domain (also known as domain IV) is an extracellular module of unknown function. It is found in a number of different proteins that include, heparan sulphate proteoglycan from basement membrane, a laminin-like protein from Caenorhabditis elegans and laminin. Laminin IV domain is not found in short laminin chains (alpha4 or beta3).
16776 Ensembl ENSG00000130702 ENSMUSG00000015647 UniProt O15230 Q61001 RefSeq (mRNA) NM_005560 NM_001081171 RefSeq (protein) NP_005551 NP_001074640 Location (UCSC) Chr 20: 62.31 – 62.37 Mb Chr 2: 179.82 – 179.87 Mb PubMed search Wikidata View/Edit Human View/Edit Mouse Laminin subunit alpha-5 is a protein that in humans is encoded by the LAMA5 gene. Function Components of the extracellular ...
The basic process by which imaging particle analysis is carried out is as follows: A digital camera captures an image of the field of view in the optical system. A gray scale thresholding process is used to perform image segmentation, segregating out the particles from the background, creating a binary image of each particle. [4] [5] [6]
Single particle analysis is a group of related computerized image processing techniques used to analyze images from transmission electron microscopy (TEM). [1] These methods were developed to improve and extend the information obtainable from TEM images of particulate samples, typically proteins or other large biological entities such as viruses .
Particle size analysis, particle size measurement, or simply particle sizing, is the collective name of the technical procedures, or laboratory techniques which determines the size range, and/or the average, or mean size of the particles in a powder or liquid sample.
Hemidesmosomes have two membrane-spanning components: Integrin α6β4 and BPAG2. Integrin α6β4 operates as a laminin-332 receptor. Integrin α6β4 is composed to two α and β subunit dimers. The larger β4 subunit has domains that bind to fibronectin III and calcium. The α6 subunit binds to extracellular BP180, CD151 and laminin-322.
The most common shape factor is the aspect ratio, a function of the largest diameter and the smallest diameter orthogonal to it: = The normalized aspect ratio varies from approaching zero for a very elongated particle, such as a grain in a cold-worked metal, to near unity for an equiaxed grain.
Laminins are composed of 3 non identical chains: laminin alpha, beta and gamma (formerly A, B1, and B2, respectively) and they form a cruciform structure consisting of 3 short arms, each formed by a different chain, and a long arm composed of all 3 chains. Each laminin chain is a multidomain protein encoded by a distinct gene.