LTB | |||||||||||||||||
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Identifiers | |||||||||||||||||
Aliases | LTB, TNFC, TNFSF3, p33, Lymphotoxin beta, TNLG1C | ||||||||||||||||
External IDs | MGI: 104796 HomoloGene: 1752 GeneCards: LTB | ||||||||||||||||
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RNA expression pattern | |||||||||||||||||
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Orthologs | |||||||||||||||||
Species | Human | Mouse | |||||||||||||||
Entrez |
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Ensembl |
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UniProt |
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RefSeq (mRNA) |
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RefSeq (protein) |
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Location (UCSC) | Chr 6: 31.58 – 31.58 Mb | Chr 17: 35.19 – 35.2 Mb | |||||||||||||||
PubMed search | |||||||||||||||||
n/a
Lymphotoxin-beta (LT-beta) also known as tumor necrosis factor C (TNF-C) is a protein that in humans is encoded by the LTB gene.
Lymphotoxin beta is a type II membrane protein of the TNF family. It anchors lymphotoxin-alpha to the cell surface through heterotrimer formation. The predominant form on the lymphocyte surface is the lymphotoxin-alpha 1/beta 2 complex (e.g. 1 molecule alpha/2 molecules beta) and this complex is the primary ligand for the lymphotoxin-beta receptor. The minor complex is lymphotoxin-alpha 2/beta 1. LTB is an inducer of the inflammatory response system and involved in normal development of lymphoid tissue. Lymphotoxin-beta isoform b is unable to complex with lymphotoxin-alpha suggesting a function for lymphotoxin-beta which is independent of lympyhotoxin-alpha. Alternative splicing results in multiple transcript variants encoding different isoforms.