Rabbit Polyclonal PSMD1 antibody. Suitable for WB and reacts with Mouse, Rat, African green monkey, Human samples. Cited in 14 publications. Immunogen corresponding to Synthetic Peptide within Human PSMD1 aa 900 to C-terminus.
View Alternative Names
26S proteasome non-ATPase regulatory subunit 1, 26S proteasome regulatory subunit RPN2, 26S proteasome regulatory subunit S1, 26S proteasome subunit p112, PSMD1
- WB
Supplier Data
Western blot - Anti-PSMD1 antibody (AB2941)
All lanes:
Western blot - Anti-PSMD1 antibody (ab2941) at 1 µg/mL
Lane 1:
MCF7 cell lysate at 30 µg
Lane 2:
PC-3 cell lysate at 30 µg
Lane 3:
HepG2 cell lysate at 30 µg
Lane 4:
SK-OV-3 cell lysate at 30 µg
Lane 5:
HeLa cell lysate at 30 µg
Lane 6:
COS-7 cell lysate at 30 µg
Lane 7:
Jurkat cell lysate at 30 µg
Lane 8:
A431 cell lysate at 30 µg
Lane 9:
Mouse testis tissue lysate at 30 µg
Lane 10:
Rat testis tissue lysate at 30 µg
Secondary
All lanes:
Goat anti-Rabbit IgG (H+L) Superclonal™ HRP conjugate at 1/2500 dilution
Predicted band size: 105 kDa
Observed band size: 106 kDa
true
- WB
CiteAb
Western blot - Anti-PSMD1 antibody (AB2941)
PSMD1 western blot using anti-PSMD1 antibody ab2941. Publication image and figure legend from Kim, M. J., Serwa, R. A., et al., 2023, Nat Commun, PubMed 37433777.
ab2941 was used in this publication in western blot. This may not be the same as the application(s) guaranteed by Abcam. For a full list of applications guaranteed by Abcam for ab2941 please see the product overview.
Mitochondrial complex I deficiency increases PSMB9 mRNA levels and proteasome activity.a RNA-seq analysis of 20 S (left panel) and 19 S (right panel) proteasome components gene expression log2 fold changes (log2FC) in mitochondrial complex I-deficient HEK293T cells compared to WT HEK293T cells (n = 4). Up- and down-regulated genes (q-value < 0.05) are shown in green and pink, respectively. An immunoproteasome subunit is shown in blue. The intensity of the color shades depends on the level of expression change. Gray indicates genes with not statistically significant expression changes. b mRNA expression patterns of selected transcripts validated by RT-qPCR. The mRNA levels are presented as fold changes relative to WT. Data shown are mean ± SD (n = 3 biological replicates with two technical replicates). p-value from an ordinary one-way ANOVA with Dunnett's multiple comparisons test using GraphPad Prism. c Chymotrypsin-like and caspase-like proteasome activities in cell lysates presented as fold changes relative to WT. Data shown are mean ± SD (n = 5 biological replicates with one~three technical replicates). **p < 0.01, ***p < 0.001 from an ordinary one-way ANOVA with Dunnett's multiple comparisons test using GraphPad Prism. d Proteasome species in NDUFA11 KO, NDUFA13 KO and WT HEK293T cell extracts resolved by electrophoresis in 4.5% native gel followed by western blot analysis detecting a 20 S proteasome subunit PSMA1 and a 19 S proteasome subunit PSMD1 to characterize 26 S (RP2CP, doubly capped 26 S; RP1CP, singly capped 26 S) and 20 S (CP, core particle) proteasomes. Data shown are representative of four independent experiments. e Quantification of proteasomes in d using ImageJ. PSMA1 was used to quantify CP, PSMD1 was used to quantify RP1CP and RP2CP. The protein levels are presented as fold changes relative to WT. Data shown are mean ± SD (n = 4). p-value from an ordinary one-way ANOVA with Dunnett's multiple comparisons test using GraphPad Prism. f Western blot analysis of proteasome subunit expression performed in whole cell lysates of mitochondrial complex I-deficient and WT HEK293T cells. ACTB was used as a loading control. Data shown are representative of three independent experiments. Source data are provided as a Source Data file.
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Reactivity data
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Supplementary information
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Biological function summary
PSMD1 contributes to the regulation of protein homeostasis through its function in the 26S proteasome complex. This multi-protein complex enables the ATP-dependent degradation of ubiquitinated proteins a critical process for maintaining cellular function. The proteasome's activity ensures the removal of damaged or misfolded proteins and regulates concentrations of specific proteins to maintain cellular processes. Its interaction with other proteasome subunits indicates a strong functional integration within this complex.
Pathways
PSMD1 plays a role in the ubiquitin-proteasome pathway a major pathway for protein catabolism. This pathway is critical for various cellular processes including cell cycle regulation and apoptosis. PSMD1 interacts with other subunits in the proteasome such as PSMA1 and PSMB5 to execute its function. Its connection to these pathways highlights its importance in regulating protein turnover and quality control in cells.
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Publications (14)
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Proceedings of the National Academy of Sciences of the United States of America 122:e2419607122 PubMed39964708
2025
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Autophagy 21:1212-1227 PubMed39878121
2025
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Molecular cell 84:522-537.e8 PubMed38151017
2023
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BMC cancer 23:1242 PubMed38104103
2023
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Nature communications 14:4092 PubMed37433777
2023
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Nature communications 14:3126 PubMed37253751
2023
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Nature communications 12:7318 PubMed34916494
2021
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Nature communications 12:1172 PubMed33608523
2021
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Molecular and cellular biology 40: PubMed32631902
2020
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Antioxidants & redox signaling 32:636-655 PubMed31903784
2020
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