Structure of PDB 8iff Chain B

Receptor sequence
>8iffB (length=868) Species: 3702 (Arabidopsis thaliana) [Search protein sequence]
YLHHIQKGKLIQPFGCLLALDEKTFKVIAYSENASELLTMAHPVLGIGTD
IRSLFTAPSASALQKALGFGDVSLLNPILVHCRTSAKPFYAIIHRVTGSI
IIDFEPVKPYAGALQSYKLAAKAITRLQSLPSGSMERLCDTMVQEVFELT
GYDRVMAYKFHEDDHGEVVSEVTKPGLEPYLGLHYPATDIPQAARFLFMK
NKVRMIVDCNAKHARVLQDEKLSFDLTLCGSTLRAPHSCHLQYMANMDSI
ASLVMAVVVNEEKRKRLWGLVVCHNTTPRFVPFPLRYACEFLAQVFAIHV
NKEVELDNQMVEKNILRTQTLLCDMLMRDAPLGIVSQSPNIMDLVKCDGA
ALLYKDKIWKLGTTPSEFHLQEIASWLCEYHMDSTGLSTDSLHDAGFPRA
LSLGDSVCGMAAVRISSKDMIFWFRSHTAGEVRWGGAKHDPDDRDDARRM
HPRSSFKAFLEVVKTRSLPWKDYEMDAIHSLQLILRNAFKTVMDKFTRIE
GDYKAIIQNPNPLIPPIFGTDEFGWCTEWNPAMSKLTGLKREEVIDKMLL
GEVFGTQKSCCRLKNQEAFVNLGIVLNNAVTSQDPEKVSFAFFTRGGKYV
ECLLCVSKKLDREGVVTGVFCFLQLASHELQQALHVQRLAERTAVKRLKA
LAYIKRQIRNPLSGIMFTRKMIEGTELGPEQRRILQTSALCQKQLSKILD
DSIIEGCLDLEMKEFTLNEVLTASTSQVMMKSNGKSVRITNETGEEVMSD
TLYGDSIRLQQVLADFMLMAVNFTPSGGQLTVSASLRKDQLGRSVHLANL
EIRLTHTGAGIPEFLLNQMFGTEEDVSEEGLSLMVSRKLVKLMNGDVQYL
RQAGKSSFIITAELAAAN
3D structure
PDB8iff Plant phytochrome A in the Pr state assembles as an asymmetric dimer.
ChainB
Resolution3.1 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Site
#
Ligand Ligand
chain
Binding residues on receptor
(original residue number in PDB)
Binding residues on receptor
(residue number reindexed from 1)
Binding affinity
BS01 O6E B Y242 T272 D273 I274 P275 P320 H321 C323 H324 Y327 H372 D543 Y158 T188 D189 I190 P191 P236 H237 C239 H240 Y243 H274 D445
Gene Ontology
Molecular Function
GO:0000155 phosphorelay sensor kinase activity
GO:0003729 mRNA binding
GO:0004672 protein kinase activity
GO:0005515 protein binding
GO:0009881 photoreceptor activity
GO:0009883 red or far-red light photoreceptor activity
GO:0016301 kinase activity
GO:0031516 far-red light photoreceptor activity
GO:0042802 identical protein binding
GO:0042803 protein homodimerization activity
Biological Process
GO:0000160 phosphorelay signal transduction system
GO:0006355 regulation of DNA-templated transcription
GO:0007165 signal transduction
GO:0009409 response to cold
GO:0009584 detection of visible light
GO:0009585 red, far-red light phototransduction
GO:0009630 gravitropism
GO:0009638 phototropism
GO:0009640 photomorphogenesis
GO:0010018 far-red light signaling pathway
GO:0010161 red light signaling pathway
GO:0010201 response to continuous far red light stimulus by the high-irradiance response system
GO:0010203 response to very low fluence red light stimulus
GO:0010218 response to far red light
GO:0016310 phosphorylation
GO:0017006 protein-tetrapyrrole linkage
GO:0017148 negative regulation of translation
GO:0046685 response to arsenic-containing substance
Cellular Component
GO:0005634 nucleus
GO:0005654 nucleoplasm
GO:0005737 cytoplasm
GO:0016604 nuclear body
GO:0016607 nuclear speck
GO:0043231 intracellular membrane-bounded organelle

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Molecular Function

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Biological Process

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Cellular Component
External links
PDB RCSB:8iff, PDBe:8iff, PDBj:8iff
PDBsum8iff
PubMed37402899
UniProtP14712|PHYA_ARATH Phytochrome A (Gene Name=PHYA)

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