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semaphorin-4B (SEMA4B, KIAA1745, SEMAC, UNQ749/PRO1480)

Function: - inhibits axonal extension by providing local signals to specify territories inaccessible for growing axons Structure: - belongs to the semaphorin family - contains 1 Ig-like C2-type domain (immunoglobulin-like) - contains 1 PSI domain - contains 1 sema domain Compartment: - membrane; single-pass type 1 membrane protein Alternative splicing: - named isoforms=2

General

glycoprotein phosphoprotein secreted protein semaphorin or semaphorin/collapsin family protein

Properties

SIZE: entity length = 832 aa MW = 92 kD COMPARTMENT: cellular membrane MOTIF: signal sequence {1-38} Sema {42-518} MOTIF: N-glycosylation site {N64} N-glycosylation site {N91} cysteine residue {C115} MODIFICATION: cysteine residue {C126} cysteine residue {C126} MODIFICATION: cysteine residue {C115} cysteine residue {C144} MODIFICATION: cysteine residue {C153} cysteine residue {C153} MODIFICATION: cysteine residue {C144} N-glycosylation site {N160} cysteine residue {C281} MODIFICATION: cysteine residue {C394} cysteine residue {C305} MODIFICATION: cysteine residue {C354} cysteine residue {C354} MODIFICATION: cysteine residue {C305} cysteine residue {C394} MODIFICATION: cysteine residue {C281} N-glycosylation site {N405} PSI {520-574} MOTIF: N-glycosylation site {N520} immunoglobulin superfamily domain {599-658} MOTIF: cysteine residue {C606} MODIFICATION: cysteine residue {C651} N-glycosylation site {N625} cysteine residue {C651} MODIFICATION: cysteine residue {C606} transmembrane domain {713-733} proline-rich region SITE: 753-776 MOTIF: proline residue (SEVERAL) Ser phosphorylation site {S813} Ser phosphorylation site {S825}

Database Correlations

UniProt Q9NPR2 PFAM correlations

References

  1. UniProt :accession Q9NPR2
  2. Entrez Gene :accession 10509