Details for: PSMB1

Gene ID: 5689

Symbol: PSMB1

Ensembl ID: ENSG00000008018

Description: proteasome 20S subunit beta 1

Associated with

Cells (max top 100)

(Cell Significance Index and respective Thresholds are uniquely calculated using our advanced thresholding algorithms to reveal cell-specific gene markers)

  • Cell Name: polychromatophilic erythroblast (CL0000550)
    Fold Change: 547.1720
    Cell Significance Index: -85.1100
  • Cell Name: hematopoietic oligopotent progenitor cell (CL0002032)
    Fold Change: 326.6200
    Cell Significance Index: -82.8500
  • Cell Name: embryonic stem cell (CL0002322)
    Fold Change: 279.9992
    Cell Significance Index: -115.3500
  • Cell Name: mucosal type mast cell (CL0000485)
    Fold Change: 244.8203
    Cell Significance Index: -99.4600
  • Cell Name: smooth muscle fiber of ileum (CL1000278)
    Fold Change: 242.3629
    Cell Significance Index: -114.4300
  • Cell Name: peripheral blood mononuclear cell (CL2000001)
    Fold Change: 215.3639
    Cell Significance Index: -110.7800
  • Cell Name: ileal goblet cell (CL1000326)
    Fold Change: 171.5517
    Cell Significance Index: -115.1200
  • Cell Name: ciliated cell of the bronchus (CL0002332)
    Fold Change: 106.0076
    Cell Significance Index: -101.2100
  • Cell Name: orthochromatic erythroblast (CL0000552)
    Fold Change: 84.8773
    Cell Significance Index: -104.6500
  • Cell Name: stromal cell of bone marrow (CL0010001)
    Fold Change: 28.4741
    Cell Significance Index: -112.3600
  • Cell Name: CD8-alpha-beta-positive, alpha-beta intraepithelial T cell (CL0000796)
    Fold Change: 22.7550
    Cell Significance Index: -60.9600
  • Cell Name: CD8-positive, alpha-beta regulatory T cell (CL0000795)
    Fold Change: 21.8887
    Cell Significance Index: -67.2300
  • Cell Name: epidermal Langerhans cell (CL0002457)
    Fold Change: 13.7463
    Cell Significance Index: -30.0900
  • Cell Name: epithelial cell of stomach (CL0002178)
    Fold Change: 10.2200
    Cell Significance Index: 1191.0300
  • Cell Name: luminal adaptive secretory precursor cell of mammary gland (CL4033057)
    Fold Change: 3.4058
    Cell Significance Index: 160.0700
  • Cell Name: stromal cell of ovary (CL0002132)
    Fold Change: 3.1728
    Cell Significance Index: 435.7100
  • Cell Name: fibroblast of mammary gland (CL0002555)
    Fold Change: 3.1177
    Cell Significance Index: 89.3700
  • Cell Name: granulosa cell (CL0000501)
    Fold Change: 3.0907
    Cell Significance Index: 81.2700
  • Cell Name: mesonephric nephron tubule epithelial cell (CL1000022)
    Fold Change: 3.0395
    Cell Significance Index: 105.6200
  • Cell Name: fibroblast of dermis (CL0002551)
    Fold Change: 2.9405
    Cell Significance Index: 61.5500
  • Cell Name: acinar cell of salivary gland (CL0002623)
    Fold Change: 2.9201
    Cell Significance Index: 136.1500
  • Cell Name: skeletal muscle myoblast (CL0000515)
    Fold Change: 2.8580
    Cell Significance Index: 31.0700
  • Cell Name: CD4-positive, alpha-beta memory T cell, CD45RO-positive (CL0001204)
    Fold Change: 2.7699
    Cell Significance Index: 81.3500
  • Cell Name: cell in vitro (CL0001034)
    Fold Change: 2.7594
    Cell Significance Index: 1506.9800
  • Cell Name: basal cell of prostate epithelium (CL0002341)
    Fold Change: 2.4644
    Cell Significance Index: 67.0800
  • Cell Name: tonsil germinal center B cell (CL2000006)
    Fold Change: 2.4032
    Cell Significance Index: 283.4100
  • Cell Name: endothelial cell of venule (CL1000414)
    Fold Change: 2.3899
    Cell Significance Index: 27.1500
  • Cell Name: early pro-B cell (CL0002046)
    Fold Change: 2.3650
    Cell Significance Index: 152.5800
  • Cell Name: hair follicular keratinocyte (CL2000092)
    Fold Change: 2.3608
    Cell Significance Index: 1043.7800
  • Cell Name: progenitor cell of mammary luminal epithelium (CL0009116)
    Fold Change: 2.3470
    Cell Significance Index: 174.9200
  • Cell Name: basal cell of urothelium (CL1000486)
    Fold Change: 2.3157
    Cell Significance Index: 284.7400
  • Cell Name: intermediate cell of urothelium (CL4030055)
    Fold Change: 2.2057
    Cell Significance Index: 397.6300
  • Cell Name: kidney cell (CL1000497)
    Fold Change: 2.1993
    Cell Significance Index: 17.5600
  • Cell Name: sebum secreting cell (CL0000317)
    Fold Change: 2.1260
    Cell Significance Index: 150.3600
  • Cell Name: lactocyte (CL0002325)
    Fold Change: 2.0987
    Cell Significance Index: 271.1400
  • Cell Name: peg cell (CL4033014)
    Fold Change: 2.0036
    Cell Significance Index: 46.2900
  • Cell Name: odontoblast (CL0000060)
    Fold Change: 1.9943
    Cell Significance Index: 255.6600
  • Cell Name: placental villous trophoblast (CL2000060)
    Fold Change: 1.6171
    Cell Significance Index: 43.1800
  • Cell Name: lung endothelial cell (CL1001567)
    Fold Change: 1.2882
    Cell Significance Index: 67.1000
  • Cell Name: bladder urothelial cell (CL1001428)
    Fold Change: 1.1141
    Cell Significance Index: 57.8800
  • Cell Name: glycinergic neuron (CL1001509)
    Fold Change: 1.0708
    Cell Significance Index: 56.2200
  • Cell Name: neoplastic cell (CL0001063)
    Fold Change: 1.0286
    Cell Significance Index: 204.1300
  • Cell Name: umbrella cell of urothelium (CL4030056)
    Fold Change: 0.9773
    Cell Significance Index: 9.0000
  • Cell Name: L2/3-6 intratelencephalic projecting glutamatergic neuron (CL4023040)
    Fold Change: 0.7764
    Cell Significance Index: 155.7500
  • Cell Name: vascular lymphangioblast (CL0005022)
    Fold Change: 0.7238
    Cell Significance Index: 12.7900
  • Cell Name: CD14-positive, CD16-negative classical monocyte (CL0002057)
    Fold Change: 0.6547
    Cell Significance Index: 12.1000
  • Cell Name: colon goblet cell (CL0009039)
    Fold Change: 0.6135
    Cell Significance Index: 60.6900
  • Cell Name: pancreatic acinar cell (CL0002064)
    Fold Change: 0.5925
    Cell Significance Index: 101.1700
  • Cell Name: obsolete caudal ganglionic eminence derived GABAergic cortical interneuron (CL4023070)
    Fold Change: 0.2754
    Cell Significance Index: 98.7800
  • Cell Name: pulmonary alveolar epithelial cell (CL0000322)
    Fold Change: 0.2030
    Cell Significance Index: 153.6400
  • Cell Name: enteroendocrine cell of colon (CL0009042)
    Fold Change: 0.1226
    Cell Significance Index: 23.3300
  • Cell Name: kidney loop of Henle cortical thick ascending limb epithelial cell (CL1001109)
    Fold Change: 0.0987
    Cell Significance Index: 72.3400
  • Cell Name: enterocyte of epithelium of large intestine (CL0002071)
    Fold Change: 0.0280
    Cell Significance Index: 1.2700
  • Cell Name: mesenchymal cell (CL0008019)
    Fold Change: 0.0063
    Cell Significance Index: 0.1100
  • Cell Name: pigmented epithelial cell (CL0000529)
    Fold Change: -0.0023
    Cell Significance Index: -4.3500
  • Cell Name: GABAergic interneuron (CL0011005)
    Fold Change: -0.0066
    Cell Significance Index: -4.5400
  • Cell Name: skeletal muscle fiber (CL0008002)
    Fold Change: -0.0175
    Cell Significance Index: -0.4500
  • Cell Name: pancreatic A cell (CL0000171)
    Fold Change: -0.0331
    Cell Significance Index: -24.5300
  • Cell Name: gut absorptive cell (CL0000677)
    Fold Change: -0.0383
    Cell Significance Index: -2.3000
  • Cell Name: anterior lens cell (CL0002223)
    Fold Change: -0.0552
    Cell Significance Index: -101.8500
  • Cell Name: pancreatic PP cell (CL0002275)
    Fold Change: -0.0572
    Cell Significance Index: -35.7200
  • Cell Name: abnormal cell (CL0001061)
    Fold Change: -0.0579
    Cell Significance Index: -5.9200
  • Cell Name: lens epithelial cell (CL0002224)
    Fold Change: -0.0670
    Cell Significance Index: -103.1400
  • Cell Name: secondary lens fiber (CL0002225)
    Fold Change: -0.0826
    Cell Significance Index: -112.3600
  • Cell Name: non-pigmented ciliary epithelial cell (CL0002304)
    Fold Change: -0.1063
    Cell Significance Index: -67.5100
  • Cell Name: fibro/adipogenic progenitor cell (CL0009099)
    Fold Change: -0.1075
    Cell Significance Index: -5.4400
  • Cell Name: type B pancreatic cell (CL0000169)
    Fold Change: -0.1274
    Cell Significance Index: -71.8300
  • Cell Name: ciliary muscle cell (CL1000443)
    Fold Change: -0.1735
    Cell Significance Index: -78.7500
  • Cell Name: pancreatic D cell (CL0000173)
    Fold Change: -0.1766
    Cell Significance Index: -37.2000
  • Cell Name: eye photoreceptor cell (CL0000287)
    Fold Change: -0.1769
    Cell Significance Index: -11.1500
  • Cell Name: dopaminergic neuron (CL0000700)
    Fold Change: -0.3124
    Cell Significance Index: -89.9000
  • Cell Name: pro-T cell (CL0000827)
    Fold Change: -0.4008
    Cell Significance Index: -10.2400
  • Cell Name: neuron associated cell (CL0000095)
    Fold Change: -0.4068
    Cell Significance Index: -16.6700
  • Cell Name: basal epithelial cell of tracheobronchial tree (CL0002329)
    Fold Change: -0.4162
    Cell Significance Index: -11.6300
  • Cell Name: pancreatic ductal cell (CL0002079)
    Fold Change: -0.4968
    Cell Significance Index: -56.9200
  • Cell Name: pigmented ciliary epithelial cell (CL0002303)
    Fold Change: -0.5352
    Cell Significance Index: -77.8000
  • Cell Name: pancreatic endocrine cell (CL0008024)
    Fold Change: -0.5992
    Cell Significance Index: -68.4000
  • Cell Name: transit amplifying cell of colon (CL0009011)
    Fold Change: -0.6728
    Cell Significance Index: -21.5500
  • Cell Name: small intestine goblet cell (CL1000495)
    Fold Change: -0.6833
    Cell Significance Index: -24.0100
  • Cell Name: interstitial cell of ovary (CL0002094)
    Fold Change: -0.7055
    Cell Significance Index: -9.0400
  • Cell Name: cardiac muscle myoblast (CL0000513)
    Fold Change: -0.7290
    Cell Significance Index: -55.9500
  • Cell Name: microfold cell of epithelium of small intestine (CL1000353)
    Fold Change: -0.7435
    Cell Significance Index: -51.4200
  • Cell Name: kidney loop of Henle descending limb epithelial cell (CL1001021)
    Fold Change: -0.7543
    Cell Significance Index: -59.7400
  • Cell Name: retinal progenitor cell (CL0002672)
    Fold Change: -0.8599
    Cell Significance Index: -48.2600
  • Cell Name: smooth muscle cell of sphincter of pupil (CL0002243)
    Fold Change: -1.0472
    Cell Significance Index: -109.0400
  • Cell Name: conjunctival epithelial cell (CL1000432)
    Fold Change: -1.0492
    Cell Significance Index: -14.3200
  • Cell Name: endothelial cell of placenta (CL0009092)
    Fold Change: -1.1387
    Cell Significance Index: -6.8800
  • Cell Name: oral mucosa squamous cell (CL1001576)
    Fold Change: -1.1614
    Cell Significance Index: -9.9800
  • Cell Name: helper T cell (CL0000912)
    Fold Change: -1.4230
    Cell Significance Index: -20.2200
  • Cell Name: paneth cell of epithelium of small intestine (CL1000343)
    Fold Change: -1.5057
    Cell Significance Index: -32.6200
  • Cell Name: type I muscle cell (CL0002211)
    Fold Change: -1.6750
    Cell Significance Index: -40.8700
  • Cell Name: cortical cell of adrenal gland (CL0002097)
    Fold Change: -1.6990
    Cell Significance Index: -45.5300
  • Cell Name: microcirculation associated smooth muscle cell (CL0008035)
    Fold Change: -1.7274
    Cell Significance Index: -14.5100
  • Cell Name: intestinal tuft cell (CL0019032)
    Fold Change: -1.8405
    Cell Significance Index: -112.8400
  • Cell Name: indirect pathway medium spiny neuron (CL4023029)
    Fold Change: -1.9311
    Cell Significance Index: -85.4200
  • Cell Name: paneth cell of colon (CL0009009)
    Fold Change: -1.9381
    Cell Significance Index: -29.0400
  • Cell Name: extravillous trophoblast (CL0008036)
    Fold Change: -1.9514
    Cell Significance Index: -12.1300
  • Cell Name: kidney epithelial cell (CL0002518)
    Fold Change: -2.0036
    Cell Significance Index: -59.0200
  • Cell Name: cerebellar granule cell (CL0001031)
    Fold Change: -2.0453
    Cell Significance Index: -35.0500
  • Cell Name: retinal rod cell (CL0000604)
    Fold Change: -2.2478
    Cell Significance Index: -26.8000

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this specific cell.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.

Cell ID: Standard Cell Ontology term used for mapping and comparing cells across experiments. Ensures consistency in analyzing cellular functions across tissues.
Fold Change: Represents the ratio of the current Cell Significance Index to the Cell Significance Index Threshold, indicating how much the gene expression has changed compared to a baseline.
Cell Significance Index: Reflects how strongly a gene is expressed in this cell type. Calculated using techniques like effect size estimation and bootstrapping for reliability.

Other Information

**Key Characteristics** 1. **Proteasome subunit beta 1**: PSMB1 is a beta subunit of the 20S proteasome, a large protein complex responsible for the degradation of proteins. 2. **Ubiquitin-proteasome pathway**: PSMB1 is involved in the ubiquitin-proteasome pathway, which degrades proteins tagged with ubiquitin, a small protein that marks proteins for degradation. 3. **Highly expressed in immune cells**: PSMB1 is highly expressed in immune cells, such as T cells, B cells, and macrophages, suggesting its importance in immune function. 4. **Regulation of cell cycle progression**: PSMB1 is involved in the regulation of cell cycle progression, particularly in the G2/M phase, where it regulates the degradation of proteins that control cell cycle checkpoint. **Pathways and Functions** 1. **Antigen processing and presentation**: PSMB1 is involved in the processing and presentation of antigens to T cells, which is crucial for the initiation of immune responses. 2. **Cell cycle regulation**: PSMB1 regulates the degradation of proteins that control cell cycle progression, ensuring proper cell division and preventing uncontrolled cell growth. 3. **Immune response regulation**: PSMB1 is involved in the regulation of immune responses, including the activation of T cells and the production of cytokines. 4. **Protein degradation**: PSMB1 is involved in the degradation of damaged or misfolded proteins, regulating protein quality control and maintaining cellular homeostasis. **Clinical Significance** 1. **Autoimmune diseases**: Dysfunction of PSMB1 has been implicated in autoimmune diseases, such as rheumatoid arthritis and lupus, where the immune system attacks healthy tissues. 2. **Cancer**: Alterations in PSMB1 expression have been observed in various types of cancer, including lymphoma and leukemia, where the proteasome plays a key role in cancer cell survival and proliferation. 3. **Neurodegenerative diseases**: PSMB1 has been implicated in neurodegenerative diseases, such as Alzheimer's disease and Parkinson's disease, where protein misfolding and aggregation contribute to disease progression. 4. **Infectious diseases**: PSMB1 plays a crucial role in the regulation of immune responses to infections, such as HIV and tuberculosis, where the proteasome is involved in the degradation of pathogens and the activation of immune cells. In conclusion, PSMB1 is a critical gene involved in various cellular processes, including protein degradation, cell cycle progression, and immune response regulation. Its dysfunction has been implicated in various diseases, including autoimmune diseases, cancer, neurodegenerative diseases, and infectious diseases. Further research is needed to fully understand the role of PSMB1 in human health and disease.

Genular Protein ID: 405611575

Symbol: PSB1_HUMAN

Name: Macropain subunit C5

UniProtKB Accession Codes:

Database IDs:

Citations:

PubMed ID: 2025653

Title: Molecular cloning and sequence analysis of cDNAs for five major subunits of human proteasomes (multi-catalytic proteinase complexes).

PubMed ID: 2025653

DOI: 10.1016/0167-4781(91)90090-9

PubMed ID: 19054851

Title: Human protein factory for converting the transcriptome into an in vitro-expressed proteome.

PubMed ID: 19054851

DOI: 10.1038/nmeth.1273

PubMed ID: 14574404

Title: The DNA sequence and analysis of human chromosome 6.

PubMed ID: 14574404

DOI: 10.1038/nature02055

PubMed ID: 15489334

Title: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC).

PubMed ID: 15489334

DOI: 10.1101/gr.2596504

PubMed ID: 2306472

Title: Relationships among the subunits of the high molecular weight proteinase, macropain (proteasome).

PubMed ID: 2306472

DOI: 10.1016/0167-4838(90)90165-c

PubMed ID: 8610016

Title: A role for the proteasome regulator PA28alpha in antigen presentation.

PubMed ID: 8610016

DOI: 10.1038/381166a0

PubMed ID: 12181345

Title: Clastosome: a subtype of nuclear body enriched in 19S and 20S proteasomes, ubiquitin, and protein substrates of proteasome.

PubMed ID: 12181345

DOI: 10.1091/mbc.e02-03-0122

PubMed ID: 14550573

Title: Human immunodeficiency virus-1 Tat protein interacts with distinct proteasomal alpha and beta subunits.

PubMed ID: 14550573

DOI: 10.1016/s0014-5793(03)01025-1

PubMed ID: 14732874

Title: Interaction of plasminogen activator inhibitor-2 and proteasome subunit, beta type 1.

PubMed ID: 14732874

DOI: 10.1093/abbs/36.1.42

PubMed ID: 15244466

Title: 20S proteasome prevents aggregation of heat-denatured proteins without PA700 regulatory subcomplex like a molecular chaperone.

PubMed ID: 15244466

DOI: 10.1021/bm049957a

PubMed ID: 17323924

Title: Mass spectrometric characterization of the affinity-purified human 26S proteasome complex.

PubMed ID: 17323924

DOI: 10.1021/bi061994u

PubMed ID: 19608861

Title: Lysine acetylation targets protein complexes and co-regulates major cellular functions.

PubMed ID: 19608861

DOI: 10.1126/science.1175371

PubMed ID: 21269460

Title: Initial characterization of the human central proteome.

PubMed ID: 21269460

DOI: 10.1186/1752-0509-5-17

PubMed ID: 22814378

Title: N-terminal acetylome analyses and functional insights of the N-terminal acetyltransferase NatB.

PubMed ID: 22814378

DOI: 10.1073/pnas.1210303109

PubMed ID: 23495936

Title: Molecular architecture and assembly of the eukaryotic proteasome.

PubMed ID: 23495936

DOI: 10.1146/annurev-biochem-060410-150257

PubMed ID: 23186163

Title: Toward a comprehensive characterization of a human cancer cell phosphoproteome.

PubMed ID: 23186163

DOI: 10.1021/pr300630k

PubMed ID: 25944712

Title: N-terminome analysis of the human mitochondrial proteome.

PubMed ID: 25944712

DOI: 10.1002/pmic.201400617

PubMed ID: 27176742

Title: Human 20S proteasome activity towards fluorogenic peptides of various chain lengths.

PubMed ID: 27176742

DOI: 10.1515/hsz-2016-0176

PubMed ID: 26133119

Title: Cryo-EM reveals the conformation of a substrate analogue in the human 20S proteasome core.

PubMed ID: 26133119

DOI: 10.1038/ncomms8573

PubMed ID: 25599644

Title: Crystal structure of the human 20S proteasome in complex with carfilzomib.

PubMed ID: 25599644

DOI: 10.1016/j.str.2014.11.017

PubMed ID: 27428775

Title: An atomic structure of the human 26S proteasome.

PubMed ID: 27428775

DOI: 10.1038/nsmb.3273

PubMed ID: 27342858

Title: Structure of the human 26S proteasome at a resolution of 3.9 Aa.

PubMed ID: 27342858

DOI: 10.1073/pnas.1608050113

PubMed ID: 27493187

Title: The inhibition mechanism of human 20S proteasomes enables next-generation inhibitor design.

PubMed ID: 27493187

DOI: 10.1126/science.aaf8993

PubMed ID: 34711951

Title: AKIRIN2 controls the nuclear import of proteasomes in vertebrates.

PubMed ID: 34711951

DOI: 10.1038/s41586-021-04035-8

PubMed ID: 32129449

Title: Biallelic variants in PSMB1 encoding the proteasome subunit beta6 cause impairment of proteasome function, microcephaly, intellectual disability, developmental delay and short stature.

PubMed ID: 32129449

DOI: 10.1093/hmg/ddaa032

Sequence Information:

  • Length: 241
  • Mass: 26489
  • Checksum: AE8FC42799F39157
  • Sequence:
  • MLSSTAMYSA PGRDLGMEPH RAAGPLQLRF SPYVFNGGTI LAIAGEDFAI VASDTRLSEG 
    FSIHTRDSPK CYKLTDKTVI GCSGFHGDCL TLTKIIEARL KMYKHSNNKA MTTGAIAAML 
    STILYSRRFF PYYVYNIIGG LDEEGKGAVY SFDPVGSYQR DSFKAGGSAS AMLQPLLDNQ 
    VGFKNMQNVE HVPLSLDRAM RLVKDVFISA AERDVYTGDA LRICIVTKEG IREETVSLRK 
    D

Database document:

This is a preview of the gene's schema. Only a few entries are kept for 'singleCellExpressions,' 'mRNAExpressions,' and other large data arrays for visualization purposes. You can zoom in with the mouse wheel for a closer view, and the text will adjust automatically if necessary. For the full schema, download it here.