Phytochrome, central region (IPR013515)

Short name: Phytochrome_cen-reg

Overlapping homologous superfamilies


Domain relationships



Phytochrome belongs to a family of plant photoreceptors that mediate physiological and developmental responses to changes in red and far-red light conditions [PMID: 1812812]. The protein undergoes reversible photochemical conversion between a biologically-inactive red light-absorbing form and the active far-red light-absorbing form. Phytochrome is a dimer of identical 124 kDa subunits, each of which contains a linear tetrapyrrole chromophore, covalently-attached via a Cys residue.

This domain represents a region specific to phytochrome proteins.

GO terms

Biological Process

GO:0009584 detection of visible light
GO:0018298 protein-chromophore linkage
GO:0006355 regulation of transcription, DNA-templated

Molecular Function

No terms assigned in this category.

Cellular Component

No terms assigned in this category.

Contributing signatures

Signatures from InterPro member databases are used to construct an entry.