Laminin, Beta 1 (LAMB1) Antibody

Laminins, a family of extracellular matrix glycoproteins, are the major noncollagenous constituent of basement membranes. They have been implicated in a wide variety of biological processes including cell adhesion, differentiation, migration, signaling, neurite outgrowth and metastasis. 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. Several isoforms of each chain have been described. Different alpha, beta and gamma chain isomers combine to give rise to different heterotrimeric laminin isoforms which are designated by Arabic numerals in the order of their discovery, i.e. alpha 1 beta 1 gamma 1 heterotrimer is laminin 1. The biological functions of the different chains and trimer molecules are largely unknown, but some of the chains have been shown to differ with respect to their tissue distribution, presumably reflecting diverse functions in vivo. This gene encodes the beta chain isoform laminin, beta 1. The beta 1 chain has 7 structurally distinct domains which it shares with other beta chain isomers. The C-terminal helical region containing domains I and II are separated by domain alpha, domains III and V contain several EGF-like repeats, and domains IV and VI have a globular conformation. Laminin, beta 1 is expressed in most tissues that produce basement membranes, and is one of the 3 chains constituting laminin 1, the first laminin isolated from Engelbreth-Holm-Swarm (EHS) tumor. A sequence in the beta 1 chain that is involved in cell attachment, chemotaxis, and binding to the laminin receptor was identified and shown to have the capacity to inhibit metastasis.

Target	Laminin, Beta 1 (LAMB1)
Clonality	Monoclonal
Reactivity	Human
Tested Applications	ELISA, IHC
Host	Mouse
Recommended dilutions	ELISA: 1/10000, IHC: 1/200 - 1/1000. Optimal dilutions/concentrations should be determined by the end user.
Conjugation	Unconjugated
Immunogen	Purified recombinant fragment of LAMB1 (aa31-270) expressed in E. coli.
Isotype	IgG2a
Form	Liquid
Purification	Unpurified ascites.
Storage	Aliquot and store at -20°C. Avoid repeated freeze/thaw cycles.
UniProt Primary AC	P07942 (UniProt, ExPASy)
UniProt Secondary AC	Q14D91
UniProt Entry Name	LAMB1_HUMAN
Gene Symbol	LAMB1
GeneID	3912
OMIM	150240
HGNC	6486
KEGG	hsa:3912
Ensembl	ENSG00000091136
String	9606.ENSP00000222399
Molecular Weight	198 kDa
Buffer	Ascitic fluid containing 0.03% sodium azide.
Concentration	Not determined.
Availability	Shipped within 5-10 working days.
Note	This product is for research use only.

Research Articles on Laminin, Beta 1 (LAMB1)

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