Reactome: A Curated Pathway Database
Results 1 to 10 of 36
Pathways (9) Reactions (12) Proteins (1) Others (14)
Protein: UniProt:Q13751 LAMB3 (Homo sapiens)
Last changed: 2015-03-10 08:59:22

Pathway: Extracellular matrix organization (Homo sapiens)
The extracellular matrix is a component of all mammalian tissues, a network consisting largely of the fibrous proteins collagen, elastin and associated-microfibrils, fibronectin and laminins embedded in a viscoelastic gel of anionic proteoglycan polymers. It performs many functions in addition to its structural role; as a major component of the cellular microenvironment it influences cell behaviours su
Last changed: 2015-03-06 18:40:03

Pathway: Cell-Cell communication (Homo sapiens)
Cell-to-Cell communication is crucial for multicellular organisms because it allows organisms to coordinate the activity of their cells. Some cell-to-cell communication requires direct cell-cell contacts and this is mediated by different receptors on their cell surfaces. Members of the immunoglobulin superfamily (IgSF) proteins are some of the cell surface receptors involved in cell-cell recognition, c
Last changed: 2015-03-06 18:40:03

Pathway: Assembly of collagen fibrils and other multimeric structures (Homo sapiens)
Collagen trimers in triple-helical form, referred to as procollagen or collagen molecules, are exported from the ER and trafficked through the Golgi network before secretion into the extracellular space. For fibrillar collagens namely types I, II, III, V, XI, XXIV and XXVII (Gordon & Hahn 2010, Ricard-Blum 2011) secretion is concomitant with processing of the N and C terminal collagen propeptides. Thes
Last changed: 2015-03-06 18:40:03

Pathway: Degradation of the extracellular matrix (Homo sapiens)
Matrix metalloproteinases (MMPs), previously referred to as matrixins because of their role in degradation of the extracellular matrix (ECM), are zinc and calcium dependent proteases belonging to the metzincin family. They contain a characteristic zinc-binding motif HEXXHXXGXXH (Stocker & Bode 1995) and a conserved Methionine which forms a Met-turn. Humans have 24 MMP genes giving rise to 23 MMP protei
Last changed: 2015-03-06 18:40:03

Pathway: Cell junction organization (Homo sapiens)
Last changed: 2015-03-06 18:40:03

Pathway: Collagen formation (Homo sapiens)
Collagen is a family of at least 29 structural proteins derived from over 40 human genes (Myllyharju & Kivirikko 2004). It is the main component of connective tissue, and the most abundant protein in mammals making up about 25% to 35% of whole-body protein content. A defining feature of collagens is the formation of trimeric left-handed polyproline II-type helical collagenous regions. The packing withi
Last changed: 2015-03-06 18:40:03

Pathway: Laminin interactions (Homo sapiens)
Laminins are a large family of conserved, multidomain trimeric basement membrane proteins. There are many theoretical trimer combinations but only 18 have been described (Domogatskaya et al. 2012, Miner 2008, Macdonald et al. 2010) and the existence of isoforms laminin-212 and/or laminin-222 (Durbeej et al. 2010) awaits further confirmation. The chains assemble through coiled-coil domains at their C-te
Last changed: 2015-03-06 18:40:03

Pathway: Type I hemidesmosome assembly (Homo sapiens)
Hemidesmosomes (HDs) are specialized multiprotein junctional complexes that connect the keratin cytoskeleton of epithelial cells to the extracellular matrix and play a critical role in the maintenance of tissue structure and integrity (reviewed in Litjens et al., 2006). HDs mediate adhesion of epithelial cells to the underlying basement membrane in stratified squamous, transitional and pseudostratifi
Last changed: 2015-03-06 10:40:16

Pathway: Anchoring fibril formation (Homo sapiens)
Collagen VII forms anchoring fibrils, composed of antiparallel dimers that connect the dermis to the epidermis (Bruckner-Tuderman 2009, Has & Kern 2010). During fibrillogenesis, the nascent type VII procollagen molecules dimerize in an antiparallel manner. The C-propeptide is then removed by Bone morphogenetic protein 1 (Rattenholl et al. 2002) and the processed antiparallel dimers laterally aggregate
Last changed: 2015-03-06 10:40:16

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