semaphorin 4A

protein found in Homo sapiens
Protein Protein Q21124308

Facts

8 properties
Instance of
protein
Part of
WD40/YVTN repeat-like-containing domain superfamily, Sema domain superfamily, semaphorin, Sema domain, protein family, PSI domain, protein family, Plexin repeat, protein family[2][3][4][5][6][7]
Biological process
cell differentiation, adaptive immune response, axonogenesis, immune system process, T-helper 1 cell differentiation, nervous system development, multicellular organism development, angiogenesis, regulation of endothelial cell migration, regulation of cell shape, negative regulation of angiogenesis, T cell differentiation involved in immune response, semaphorin-plexin signaling pathway, negative chemotaxis, neural crest cell migration, positive regulation of cell migration, negative regulation of axon extension involved in axon guidance, semaphorin-plexin signaling pathway, positive regulation of excitatory synapse assembly, positive regulation of inhibitory synapse assembly
Cell component
integral component of membrane, nucleus, cytosol, intracellular membrane-bounded organelle, plasma membrane, extracellular space, membrane, integral component of plasma membrane, membrane
Encoded by
SEMA4A
Found in taxon
Homo sapiens
Has part(s)
Plexin repeat, Sema domain, PSI domain[8][9][10]
Molecular function
protein binding, neuropilin binding, semaphorin receptor binding, chemorepellent activity, semaphorin receptor binding
🏷️ Also known as
en SEMA4A en sema B en sema domain, immunoglobulin domain (Ig), transmembrane domain (TM) and short cytoplasmic domain, (semaphorin) 4A en semaphorin 4A en semaphorin-4A en semaphorin-B

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Summary

semaphorin 4A is a protein[1].

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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). semaphorin 4A. Retrieved May 3, 2026, from https://4ort.xyz/entity/semaphorin-4a
MLA “semaphorin 4A.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/semaphorin-4a.
BibTeX @misc{4ortxyz_semaphorin-4a_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{semaphorin 4A}}, year = {2026}, url = {https://4ort.xyz/entity/semaphorin-4a}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): semaphorin 4A — https://4ort.xyz/entity/semaphorin-4a (retrieved 2026-05-03)

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