P40945
SS
Gene name |
Arf4 (Arf102F, ARF2, CG11027) |
Protein name |
ADP ribosylation factor 4 |
Names |
dARF II |
Species |
Drosophila melanogaster (Fruit fly) |
KEGG Pathway |
dme:Dmel_CG11027 |
EC number |
|
Protein Class |
|
Descriptions
Small GTPases couple their GDP/GTP structural cycle to cytosol/membrane alternation to function as versatile molecular switches in the cell. Membrane localization of their active, GTP-bound form is pivotal to their ability to propagate information, and this requires their post-translational modification by lipids.<br>Arf GTPases are modified by a myristate attached to their N-terminus, which is shielded by intramolecular interactions in their inactive state. The myristoylated N-terminus of Arf is autoinhibitory in solution and is displaced by membranes, priming Arf GTPases for activation by their GEFs. Replacement of the N-terminal myristate by a 6xHis-tag preserves autoinhibition, representing that membranes unlock the N-terminal region to facilitate subsequent activation.
Autoinhibitory domains (AIDs)
Target domain |
16-138 (Small GTP-binding protein domain) |
Relief mechanism |
Ligand binding |
Assay |
|
Accessory elements
No accessory elements
Autoinhibited structure
Activated structure
1 structures for P40945
| Entry ID | Method | Resolution | Chain | Position | Source |
|---|---|---|---|---|---|
| AF-P40945-F1 | Predicted | AlphaFoldDB |
No variants for P40945
| Variant ID(s) | Position | Change | Description | Diseaes Association | Provenance |
|---|---|---|---|---|---|
| No variants for P40945 | |||||
No associated diseases with P40945
1 regional properties for P40945
| Type | Name | Position | InterPro Accession |
|---|---|---|---|
| domain | Small GTP-binding protein domain | 16 - 159 | IPR005225 |
3 GO annotations of cellular component
| Name | Definition |
|---|---|
| Golgi apparatus | A membrane-bound cytoplasmic organelle of the endomembrane system that further processes the core oligosaccharides (e.g. N-glycans) added to proteins in the endoplasmic reticulum and packages them into membrane-bound vesicles. The Golgi apparatus operates at the intersection of the secretory, lysosomal, and endocytic pathways. |
| plasma membrane | The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins. |
| presynapse | The part of a synapse that is part of the presynaptic cell. |
3 GO annotations of molecular function
| Name | Definition |
|---|---|
| enzyme activator activity | Binds to and increases the activity of an enzyme. |
| GTP binding | Binding to GTP, guanosine triphosphate. |
| GTPase activity | Catalysis of the reaction |
5 GO annotations of biological process
| Name | Definition |
|---|---|
| compound eye development | The process whose specific outcome is the progression of the compound eye over time, from its formation to the mature structure. The compound eye is an organ of sight that contains multiple repeating units, often arranged hexagonally. Each unit has its own lens and photoreceptor cell(s) and can generate either a single pixelated image or multiple images, per eye. |
| intracellular protein transport | The directed movement of proteins in a cell, including the movement of proteins between specific compartments or structures within a cell, such as organelles of a eukaryotic cell. |
| symbiont entry into host cell | The process that occurs after viral attachment by which a virus, or viral nucleic acid, breaches the plasma membrane or cell envelope and enters the host cell. The process ends when the viral nucleic acid is released into the host cell cytoplasm. |
| synaptic vesicle endocytosis | A vesicle-mediated transport process, in which the synaptic vesicle membrane constituents are retrieved from the presynaptic membrane on the axon terminal after neurotransmitter secretion by exocytosis. Synaptic vesicle endocytosis can occur via clathrin-dependent and clathrin-independent mechanisms. |
| vesicle-mediated transport | A cellular transport process in which transported substances are moved in membrane-bounded vesicles; transported substances are enclosed in the vesicle lumen or located in the vesicle membrane. The process begins with a step that directs a substance to the forming vesicle, and includes vesicle budding and coating. Vesicles are then targeted to, and fuse with, an acceptor membrane. |
47 homologous proteins in AiPD
| UniProt AC | Gene Name | Protein Name | Species | Evidence Code |
|---|---|---|---|---|
| Q2KJ96 | ARL5A | ADP-ribosylation factor-like protein 5A | Bos taurus (Bovine) | SS |
| P84081 | ARF2 | ADP-ribosylation factor 2 | Bos taurus (Bovine) | SS |
| P84080 | ARF1 | ADP-ribosylation factor 1 | Bos taurus (Bovine) | SS |
| Q0VC18 | ARL4D | ADP-ribosylation factor-like protein 4D | Bos taurus (Bovine) | PR |
| Q3SZF2 | ARF4 | ADP-ribosylation factor 4 | Bos taurus (Bovine) | SS |
| P49702 | ARF5 | ADP-ribosylation factor 5 | Gallus gallus (Chicken) | SS |
| P61209 | Arf1 | ADP-ribosylation factor 1 | Drosophila melanogaster (Fruit fly) | SS |
| P40946 | Arf6 | ADP-ribosylation factor 6 | Drosophila melanogaster (Fruit fly) | SS |
| P61204 | ARF3 | ADP-ribosylation factor 3 | Homo sapiens (Human) | EV |
| A6NH57 | ARL5C | Putative ADP-ribosylation factor-like protein 5C | Homo sapiens (Human) | SS |
| Q969Q4 | ARL11 | ADP-ribosylation factor-like protein 11 | Homo sapiens (Human) | PR |
| Q9Y689 | ARL5A | ADP-ribosylation factor-like protein 5A | Homo sapiens (Human) | SS |
| P49703 | ARL4D | ADP-ribosylation factor-like protein 4D | Homo sapiens (Human) | PR |
| Q8N4G2 | ARL14 | ADP-ribosylation factor-like protein 14 | Homo sapiens (Human) | SS |
| Q9H0F7 | ARL6 | ADP-ribosylation factor-like protein 6 | Homo sapiens (Human) | SS |
| Q96KC2 | ARL5B | ADP-ribosylation factor-like protein 5B | Homo sapiens (Human) | SS |
| P84077 | ARF1 | ADP-ribosylation factor 1 | Homo sapiens (Human) | EV |
| P18085 | ARF4 | ADP-ribosylation factor 4 | Homo sapiens (Human) | EV |
| P84085 | ARF5 | ADP-ribosylation factor 5 | Homo sapiens (Human) | EV |
| Q8IVW1 | ARL17A | ADP-ribosylation factor-like protein 17 | Homo sapiens (Human) | SS |
| P49076 | ARF1 | ADP-ribosylation factor | Zea mays (Maize) | SS |
| Q99PE9 | Arl4d | ADP-ribosylation factor-like protein 4D | Mus musculus (Mouse) | PR |
| Q6P068 | Arl5c | ADP-ribosylation factor-like protein 5C | Mus musculus (Mouse) | SS |
| Q80ZU0 | Arl5a | ADP-ribosylation factor-like protein 5A | Mus musculus (Mouse) | SS |
| P61205 | Arf3 | ADP-ribosylation factor 3 | Mus musculus (Mouse) | SS |
| Q9D4P0 | Arl5b | ADP-ribosylation factor-like protein 5B | Mus musculus (Mouse) | SS |
| P84078 | Arf1 | ADP-ribosylation factor 1 | Mus musculus (Mouse) | SS |
| Q8BSL7 | Arf2 | ADP-ribosylation factor 2 | Mus musculus (Mouse) | SS |
| P61750 | Arf4 | ADP-ribosylation factor 4 | Mus musculus (Mouse) | SS |
| P84084 | Arf5 | ADP-ribosylation factor 5 | Mus musculus (Mouse) | SS |
| P51824 | ADP-ribosylation factor 1 | Solanum tuberosum (Potato) | SS | |
| P84082 | Arf2 | ADP-ribosylation factor 2 | Rattus norvegicus (Rat) | SS |
| P51646 | Arl5a | ADP-ribosylation factor-like protein 5A | Rattus norvegicus (Rat) | SS |
| P36407 | Trim23 | E3 ubiquitin-protein ligase TRIM23 | Rattus norvegicus (Rat) | SS |
| P61206 | Arf3 | ADP-ribosylation factor 3 | Rattus norvegicus (Rat) | SS |
| P84079 | Arf1 | ADP-ribosylation factor 1 | Rattus norvegicus (Rat) | SS |
| P61751 | Arf4 | ADP-ribosylation factor 4 | Rattus norvegicus (Rat) | SS |
| P84083 | Arf5 | ADP-ribosylation factor 5 | Rattus norvegicus (Rat) | SS |
| P51823 | ARF | ADP-ribosylation factor 2 | Oryza sativa subsp. japonica (Rice) | SS |
| Q06396 | Os01g0813400 | ADP-ribosylation factor 1 | Oryza sativa subsp. japonica (Rice) | SS |
| Q10943 | arf-1.2 | ADP-ribosylation factor 1-like 2 | Caenorhabditis elegans | SS |
| P34212 | arl-5 | ADP-ribosylation factor-like protein 5 | Caenorhabditis elegans | SS |
| P40940 | ARF3 | ADP-ribosylation factor 3 | Arabidopsis thaliana (Mouse-ear cress) | SS |
| P36397 | ARF1 | ADP-ribosylation factor 1 | Arabidopsis thaliana (Mouse-ear cress) | SS |
| P0DH91 | ARF2-B | ADP-ribosylation factor 2-B | Arabidopsis thaliana (Mouse-ear cress) | SS |
| Q9LQC8 | ARF2-A | ADP-ribosylation factor 2-A | Arabidopsis thaliana (Mouse-ear cress) | SS |
| Q5M9P8 | arl6 | ADP-ribosylation factor-like protein 6 | Danio rerio (Zebrafish) (Brachydanio rerio) | SS |
| 10 | 20 | 30 | 40 | 50 | 60 |
| MGLTISSLLT | RLFGKKQMRI | LMVGLDAAGK | TTILYKLKLG | EIVTTIPTIG | FNVETVEYKN |
| 70 | 80 | 90 | 100 | 110 | 120 |
| ICFTVWDVGG | QDKIRPLWRH | YFQNTQGLIF | VVDSNDRDRI | TEAERELQNM | LQEDELRDAV |
| 130 | 140 | 150 | 160 | 170 | |
| LLVFANKQDL | PNAMTAAELT | DKLRLNQLRN | RHWFIQSTCA | TQGHGLYEGL | DWLSAELAKK |