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Developmental stage

Expressed during differentiation of squamous cells.

Function

Cross-linked envelope protein of keratinocytes. It is a keratinocyte protein that first appears in the cell cytosol, but ultimately becomes cross-linked to membrane proteins by transglutaminase. All that results in the formation of an insoluble envelope beneath the plasma membrane.

Sequence similarities

Belongs to the cornifin (SPRR) family.

Tissue specificity

Suprabasal layers of squamous-differentiated tissues such as epidermis, esophagus, tongue and trachea.

Cellular localization

  • Cytoplasm

Alternative names

Small proline-rich protein 2B, SPR-2B, SPRR2B

Target type

Proteins

Primary research area

Oncology

Molecular weight

7975Da

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Proteins & Peptides

Search our catalogue for 'SPRR2B' (1)

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