Descriptions

(Annotation based on sequence homology with Q08499)
PDE4D encodes a cAMP-specific 3',5'-cyclic phosphodiesterase 4D involved in the hydrolysis of cAMP and cGMP, which play important roles in many physiological processes. The autoinhibitory domain of PDE4D is located in the upstream conserved region 2 (UCR2) that inhibits PDE4D activity. Specifically, the α-helical NQVSE[F/Y]ISXTFLD sequence within UCR2 can fold across the catalytic pocket and thus control access to it. In addition, UCR1 can interact with UCR2 to regulate the activity of PDE4.

Autoinhibitory domains (AIDs)

Target domain

825-1067 (Ras guanine-nucleotide exchange factors catalytic domain)

Relief mechanism

Partner binding

Assay

Target domain

825-1067 (Ras guanine-nucleotide exchange factors catalytic domain)

Relief mechanism

Ligand binding

Assay

Accessory elements

No accessory elements

Autoinhibited structure

Activated structure

2 structures for P26675

Entry ID Method Resolution Chain Position Source
1AZE NMR - B 1342-1350 PDB
AF-P26675-F1 Predicted AlphaFoldDB

3 variants for P26675

Variant ID(s) Position Change Description Diseaes Association Provenance
1256 P>L strain: St_L028 and St_L033 [UniProt] No
1322 A>S strain: In_L019 [UniProt] No
1503 S>N strain: In_L019 [UniProt] No

No associated diseases with P26675

4 regional properties for P26675

Type Name Position InterPro Accession
domain 3'5'-cyclic nucleotide phosphodiesterase, catalytic domain 178 - 507 IPR002073
domain HD/PDEase domain 251 - 435 IPR003607
conserved_site 3'5'-cyclic nucleotide phosphodiesterase, conserved site 294 - 305 IPR023174
domain Phosphodiesterase 4 upstream conserved regions (UCR) 19 - 135 IPR040844

Functions

Description
EC Number 3.1.4.53 Phosphoric diester hydrolases
Subcellular Localization
  • Cell projection, cilium
PANTHER Family
PANTHER Subfamily
PANTHER Protein Class
PANTHER Pathway Category No pathway information available

4 GO annotations of cellular component

Name Definition
cytosol The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
extrinsic component of cytoplasmic side of plasma membrane The component of a plasma membrane consisting of gene products and protein complexes that are loosely bound to its cytoplasmic surface, but not integrated into the hydrophobic region.
plasma membrane The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
rhabdomere microvillus membrane The portion of the plasma membrane surrounding a microvillus of a rhabdomere.

2 GO annotations of molecular function

Name Definition
guanyl-nucleotide exchange factor activity Stimulates the exchange of GDP to GTP on a signaling GTPase, changing its conformation to its active form. Guanine nucleotide exchange factors (GEFs) act by stimulating the release of guanosine diphosphate (GDP) to allow binding of guanosine triphosphate (GTP), which is more abundant in the cell under normal cellular physiological conditions.
protein heterodimerization activity Binding to a nonidentical protein to form a heterodimer.

17 GO annotations of biological process

Name Definition
axon midline choice point recognition The recognition of molecules at the central nervous system midline choice point by an axon growth cone; this choice point determines whether the growth cone will cross the midline.
defense response to virus Reactions triggered in response to the presence of a virus that act to protect the cell or organism.
epidermal growth factor receptor signaling pathway The series of molecular signals initiated by binding of a ligand to the tyrosine kinase receptor EGFR (ERBB1) on the surface of a cell. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
epithelial cell migration, open tracheal system The orderly movement of epithelial cells during development of an open tracheal system. An example of this is found in Drosophila melanogaster.
fibroblast growth factor receptor signaling pathway The series of molecular signals generated as a consequence of a fibroblast growth factor receptor binding to one of its physiological ligands.
imaginal disc-derived leg morphogenesis The process in which the anatomical structures of a leg derived from an imaginal disc are generated and organized. A leg is a limb on which an animal walks and stands. An example of this is found in Drosophila melanogaster.
negative regulation of G1/S transition of mitotic cell cycle Any signalling pathway that decreases or inhibits the activity of a cell cycle cyclin-dependent protein kinase to modulate the switch from G1 phase to S phase of the mitotic cell cycle.
photoreceptor cell fate determination The process in which a cell becomes capable of differentiating autonomously into a photoreceptor cell regardless of its environment; upon determination, the cell fate cannot be reversed.
positive regulation of cell size Any process that increases cell size.
positive regulation of Rac protein signal transduction Any process that activates or increases the frequency, rate or extent of Rac protein signal transduction.
positive regulation of Ras protein signal transduction Any process that activates or increases the frequency, rate or extent of Ras protein signal transduction.
R7 cell fate commitment The process in which the R7 photoreceptor commits to its cell fate. The R7 receptor contributes the central part of the rhabdomere in the apical parts of the ommatidium.
Ras protein signal transduction The series of molecular signals within the cell that are mediated by a member of the Ras superfamily of proteins switching to a GTP-bound active state.
sevenless signaling pathway The series of molecular signals initiated by an extracellular ligand binding to sevenless (sev; a receptor tyrosine kinase) on the surface of a target cell, and ending with the regulation of a downstream cellular process, e.g. transcription.
torso signaling pathway The series of molecular signals initiated by an extracellular ligand binding to torso (a receptor tyrosine kinase) on the surface of a target cell, and ending with the regulation of a downstream cellular process, e.g. transcription.
tracheal outgrowth, open tracheal system The projection of branches of an open tracheal system towards their target tissues. An example of this is found in Drosophila melanogaster.
vascular endothelial growth factor receptor signaling pathway The series of molecular signals initiated by a ligand binding to a vascular endothelial growth factor receptor (VEGFR) on the surface of the target cell, and ending with the regulation of a downstream cellular process, e.g. transcription.

24 homologous proteins in AiPD

UniProt AC Gene Name Protein Name Species Evidence Code
A6N9I4 RASGRP2 RAS guanyl-releasing protein 2 Bos taurus (Bovine) SS
Q1LZ97 RASGRP4 RAS guanyl-releasing protein 4 Bos taurus (Bovine) SS
A0A3S5ZPR1 RASGRP3 RAS guanyl releasing protein 3 Gallus gallus (Chicken) SS
Q5JS13 RALGPS1 Ras-specific guanine nucleotide-releasing factor RalGPS1 Homo sapiens (Human) PR
O95267 RASGRP1 RAS guanyl-releasing protein 1 Homo sapiens (Human) EV
Q7LDG7 RASGRP2 RAS guanyl-releasing protein 2 Homo sapiens (Human) EV SS
Q86X27 RALGPS2 Ras-specific guanine nucleotide-releasing factor RalGPS2 Homo sapiens (Human) PR
Q8IV61 RASGRP3 Ras guanyl-releasing protein 3 Homo sapiens (Human) SS
Q8TDF6 RASGRP4 RAS guanyl-releasing protein 4 Homo sapiens (Human) SS
Q13905 RAPGEF1 Rap guanine nucleotide exchange factor 1 Homo sapiens (Human) PR
Q07890 SOS2 Son of sevenless homolog 2 Homo sapiens (Human) SS
Q07889 SOS1 Son of sevenless homolog 1 Homo sapiens (Human) EV
A2AR50 Ralgps1 Ras-specific guanine nucleotide-releasing factor RalGPS1 Mus musculus (Mouse) PR
Q8BTM9 Rasgrp4 RAS guanyl-releasing protein 4 Mus musculus (Mouse) SS
Q9Z1S3 Rasgrp1 RAS guanyl-releasing protein 1 Mus musculus (Mouse) SS
Q9QUG9 Rasgrp2 RAS guanyl-releasing protein 2 Mus musculus (Mouse) SS
Q9ERD6 Ralgps2 Ras-specific guanine nucleotide-releasing factor RalGPS2 Mus musculus (Mouse) PR
Q02384 Sos2 Son of sevenless homolog 2 Mus musculus (Mouse) SS
Q62245 Sos1 Son of sevenless homolog 1 Mus musculus (Mouse) SS
Q9R1K8 Rasgrp1 RAS guanyl-releasing protein 1 Rattus norvegicus (Rat) SS
P0C643 Rasgrp2 RAS guanyl-releasing protein 2 Rattus norvegicus (Rat) SS
Q8R5I4 Rasgrp4 RAS guanyl-releasing protein 4 Rattus norvegicus (Rat) SS
Q9N5D3 sos-1 Son of sevenless homolog Caenorhabditis elegans EV
A4IJ06 rasgrp1 RAS guanyl-releasing protein 1 Xenopus tropicalis (Western clawed frog) (Silurana tropicalis) SS
10 20 30 40 50 60
NSSRTSSAAS DLHGEDMIVT PFAQVLASLR TVRSNVAALA HGAGSATRQA LLGTPPQSSQ
70 80 90 100 110 120
QAAPAEESGL QLAQETLEEL DWCLEQLETL QTRRSVGEMA SNKFKRMLNR ELTHLSETSR
130 140 150 160 170 180
SGNQVSEYIS QTFLDQQAEV ELPAPPTEDH PWPMAQITGL RKSCHTSLPT AAIPRFGVQT
190 200 210 220 230 240
DQEEQLAKEL EDTNKWGLDV FKVAELSGNR PLTAVIFRVL QERDLLKTFQ IPADTLLRYL
250 260 270 280 290 300
LTLEGHYHSN VAYHNSIHAA DVVQSAHVLL GTPALEAVFT DLEVLAAIFA CAIHDVDHPG
310 320 330 340 350 360
VSNQFLINTN SELALMYNDS SVLENHHLAV GFKLLQGENC DIFQNLSTKQ KLSLRRMVID
370 380 390 400 410 420
MVLATDMSKH MSLLADLKTM VETKKVTSLG VLLLDNYSDR IQVLQSLVHC ADLSNPAKPL
430 440 450 460 470 480
PLYRQWTERI MAEFFQQGDR ERESGLDISP MCDKHTASVE KSQVGFIDYI AHPLWETWAD
490 500 510 520 530
LVHPDAQELL DTLEDNREWY QSRVPCSPPH AIGPDRFKFE LTLEETEEEE EEDERH