Product: DDX18 Antibody
Catalog: DF9258
Description: Rabbit polyclonal antibody to DDX18
Application: WB IF/ICC
Reactivity: Human
Prediction: Bovine, Sheep
Mol.Wt.: 75kDa; 75kD(Calculated).
Uniprot: Q9NVP1
RRID: AB_2842454

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Product Info

Source:
Rabbit
Application:
WB 1:1000-3000, IF/ICC 1:100-1:500
*The optimal dilutions should be determined by the end user.
*Tips:

WB: For western blot detection of denatured protein samples. IHC: For immunohistochemical detection of paraffin sections (IHC-p) or frozen sections (IHC-f) of tissue samples. IF/ICC: For immunofluorescence detection of cell samples. ELISA(peptide): For ELISA detection of antigenic peptide.

Reactivity:
Human
Prediction:
Bovine(89%), Sheep(89%)
Clonality:
Polyclonal
Specificity:
DDX18 Antibody detects endogenous levels of total DDX18.
RRID:
AB_2842454
Cite Format: Affinity Biosciences Cat# DF9258, RRID:AB_2842454.
Conjugate:
Unconjugated.
Purification:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
Storage:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
Alias:

Fold/Unfold

ATP dependent RNA helicase DDX18; ATP-dependent RNA helicase DDX18; DDX 18; DDX18; DDX18_HUMAN; DEAD (Asp Glu Ala Asp) box polypeptide 18; DEAD box polypeptide 18; DEAD box protein 18; FLJ33908; MrDb; Myc regulated DEAD box protein; Myc-regulated DEAD box protein;

Immunogens

Immunogen:
Uniprot:
Gene(ID):
Sequence:
MSHLPMKLLRKKIEKRNLKLRQRNLKFQGASNLTLSETQNGDVSEETMGSRKVKKSKQKPMNVGLSETQNGGMSQEAVGNIKVTKSPQKSTVLTNGEAAMQSSNSESKKKKKKKRKMVNDAEPDTKKAKTENKGKSEEESAETTKETENNVEKPDNDEDESEVPSLPLGLTGAFEDTSFASLCNLVNENTLKAIKEMGFTNMTEIQHKSIRPLLEGRDLLAAAKTGSGKTLAFLIPAVELIVKLRFMPRNGTGVLILSPTRELAMQTFGVLKELMTHHVHTYGLIMGGSNRSAEAQKLGNGINIIVATPGRLLDHMQNTPGFMYKNLQCLVIDEADRILDVGFEEELKQIIKLLPTRRQTMLFSATQTRKVEDLARISLKKEPLYVGVDDDKANATVDGLEQGYVVCPSEKRFLLLFTFLKKNRKKKLMVFFSSCMSVKYHYELLNYIDLPVLAIHGKQKQNKRTTTFFQFCNADSGTLLCTDVAARGLDIPEVDWIVQYDPPDDPKEYIHRVGRTARGLNGRGHALLILRPEELGFLRYLKQSKVPLSEFDFSWSKISDIQSQLEKLIEKNYFLHKSAQEAYKSYIRAYDSHSLKQIFNVNNLNLPQVALSFGFKVPPFVDLNVNSNEGKQKKRGGGGGFGYQKTKKVEKSKIFKHISKKSSDSRQFSH

Predictions

Predictions:

Score>80(red) has high confidence and is suggested to be used for WB detection. *The prediction model is mainly based on the alignment of immunogen sequences, the results are for reference only, not as the basis of quality assurance.

Species
Results
Score
Bovine
89
Sheep
89
Horse
75
Xenopus
67
Dog
63
Rabbit
63
Pig
58
Zebrafish
0
Chicken
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

PTMs - Q9NVP1 As Substrate

Site PTM Type Enzyme
S2 Phosphorylation
K7 Acetylation
S36 Phosphorylation
T47 Phosphorylation
S50 Phosphorylation
K57 Acetylation
K59 Acetylation
T68 Phosphorylation
S74 Phosphorylation
K82 Acetylation
S86 Phosphorylation
T91 Phosphorylation
S107 Phosphorylation
K126 Acetylation
K135 Sumoylation
K195 Ubiquitination
K208 Ubiquitination
K224 Ubiquitination
T225 Phosphorylation
S227 Phosphorylation
T230 Phosphorylation
S258 Phosphorylation
T260 Phosphorylation
K297 Ubiquitination
T308 Phosphorylation
T319 Phosphorylation
Y324 Phosphorylation
K348 Ubiquitination
K352 Acetylation
T360 Phosphorylation
T368 Phosphorylation
K370 Ubiquitination
K381 Ubiquitination
Y385 Phosphorylation
S434 Phosphorylation
S437 Phosphorylation
Y440 Phosphorylation
Y442 Phosphorylation
Y447 Phosphorylation
K458 Acetylation
K545 Acetylation
K545 Ubiquitination
S549 Phosphorylation
K557 Ubiquitination
K567 Ubiquitination
K571 Acetylation
K571 Ubiquitination
K577 Acetylation
K577 Ubiquitination
K584 Ubiquitination
R588 Methylation
S627 Phosphorylation
R635 Methylation
Y643 Phosphorylation

Research Backgrounds

Function:

Probable RNA-dependent helicase.

Subcellular Location:

Nucleus>Nucleolus. Chromosome.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
Subunit Structure:

Interacts with NOL8; the interaction is RNA-dependent.

Family&Domains:

Belongs to the DEAD box helicase family. DDX18/HAS1 subfamily.

References

1). DDX18 Facilitates the Tumorigenesis of Lung Adenocarcinoma by Promoting Cell Cycle Progression through the Upregulation of CDK4. International journal of molecular sciences, 2024 (PubMed: 38732173) [IF=5.6]

Application: WB    Species: Human    Sample: H157 and H460 cells

Figure 2 DDX18 Upregulation in LUAD Tissues and its Functional Role in LUAD Cells. (a,b) Heatmaps depicting global mRNA expression profiles in GSE75037 [(a) non-tumor tissues (n = 83), LUAD tissues (n = 83)] and TCGA [(b) normal lung tissues (n = 287), LUAD tissues (n = 574)] datasets. DDX18 expression is indicated by the white line. (c,d) Boxplots representing DDX18 mRNA expression levels in non-tumor and LUAD tissues from GSE75037 (c) and TCGA (d) datasets. p-values are indicated. (e) Kaplan–Meier survival curve for overall survival of LUAD patients with high (n = 126) and low (n = 376) DDX18 expression. Low DDX18 expression correlates with improved overall survival (p-value indicated). (f) Relative DDX18 mRNA levels in H157 (n = 3) and H460 (n = 4) cells following DDX18 knockdown. Data represent mean ± SD. (g) Western blot analysis confirming DDX18 knockdown efficiency in H157 and H460 cells. (h) DDX18 knockdown significantly suppresses cell proliferation in H157 and H460 cells (n = 3, mean ± SD). (i) DDX18 knockdown substantially reduces colony formation capacity in H157 and H460 cells (n = 3, mean ± SD). (j) DDX18 knockdown inhibits the migration of H157 and H460 cells in vitro (n = 3, mean ± SD). ** p < 0.01; *** p < 0.001; **** p < 0.0001. LUAD, lung adenocarcinoma; SC, scramble control; KD, knockdown.

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