SEMA4G

Semaphorins are a large family of conserved secreted and membrane associated proteins which possess a semaphorin (Sema) domain and a PSI domain (found in plexins, semaphorins and integrins) in the N-terminal extracellular portion. Based on sequence and structural similarities, semaphorins are put into eight classes: invertebrates contain classes 1 and 2, viruses have class V, and vertebrates contain classes 3-7. Semaphorins serve as axon guidance ligands via multimeric receptor complexes, some (if not all) containing plexin proteins. This gene encodes a class 4 semaphorin. This gene and the gene for mitochondrial ribosomal protein L43 overlap at map location 10q24.31 and are transcribed in opposite directions. [provided by RefSeq]

Full Name

sema domain, immunoglobulin domain (Ig), transmembrane domain (TM) and short cytoplasmic domain, (semaphorin) 4G

Function

Cell surface receptor for PLXNB2. May play a role in axon guidance (By similarity).

Biological Process

Biological Process axon guidanceManual Assertion Based On ExperimentIBA:GO_Central
Biological Process negative chemotaxisManual Assertion Based On ExperimentIBA:GO_Central
Biological Process negative regulation of axon extension involved in axon guidanceManual Assertion Based On ExperimentIBA:GO_Central
Biological Process neural crest cell migrationManual Assertion Based On ExperimentIBA:GO_Central
Biological Process positive regulation of cell migrationManual Assertion Based On ExperimentIBA:GO_Central
Biological Process semaphorin-plexin signaling pathwayManual Assertion Based On ExperimentIBA:GO_Central

Cellular Location

Cell membrane

Topology

Extracellular: 18-675
Helical: 676-696
Cytoplasmic: 697-838