DNAJB2

DnaJ (Hsp40) homolog, subfamily B, member 2

Available structures

Ortholog search: PDBe, RCSB

List of PDB id codes
2LGW

Identifiers

Symbols

DNAJB2 ; DSMA5; HSJ-1; HSJ1; HSPF3

External IDs

OMIM: 604139 MGI: 1928739 HomoloGene: 4902 GeneCards: DNAJB2 Gene

Gene ontology
Molecular function	• protein binding • Hsp70 protein binding • polyubiquitin binding • unfolded protein binding • chaperone binding • proteasome binding
Cellular component	• proteasome complex • nucleus • cytosol • inclusion body
Biological process	• protein folding • response to unfolded protein • cell death • negative regulation of cell proliferation • negative regulation of cell growth • ER-associated ubiquitin-dependent protein catabolic process • positive regulation of protein ubiquitination • positive regulation of proteasomal ubiquitin-dependent protein catabolic process • protein refolding • negative regulation of inclusion body assembly • negative regulation of protein deubiquitination
Sources: Amigo / QuickGO

RNA expression pattern

More reference expression data

Orthologs

Species

Human

Mouse

RefSeq (mRNA)

RefSeq (protein)

Location (UCSC)

Chr 2:
220.14 – 220.15 Mb

Chr 1:
75.24 – 75.24 Mb

PubMed search

DnaJ homolog subfamily B member 2 is a protein that in humans is encoded by the DNAJB2 gene.^[1]^[2]^[3]

References

↑ Cheetham ME, Brion JP, Anderton BH (Jul 1992). "Human homologues of the bacterial heat-shock protein DnaJ are preferentially expressed in neurons". Biochem J. 284 ( Pt 2) (Pt 2): 469–76. PMC 1132662. PMID 1599432.
↑ Chapple JP, Hardcastle AJ, Kurzik-Dumke U, Collier DA, Cheetham ME (Oct 1999). "Assignment of the neuronal cochaperone, HSJ1, to human chromosome bands 2q32→q34 between D2S295 and D2S339 by in situ hybridization and somatic cell and radiation hybrids". Cytogenet Cell Genet 86 (1): 62–3. doi:10.1159/000015411. PMID 10516435.
↑ "Entrez Gene: DNAJB2 DnaJ (Hsp40) homolog, subfamily B, member 2".

Bonaldo MF, Lennon G, Soares MB (1997). "Normalization and subtraction: two approaches to facilitate gene discovery". Genome Res. 6 (9): 791–806. doi:10.1101/gr.6.9.791. PMID 8889548.
Ohtsuka K, Hata M (2001). "Mammalian HSP40/DNAJ homologs: cloning of novel cDNAs and a proposal for their classification and nomenclature". Cell Stress Chaperones 5 (2): 98–112. doi:10.1379/1466-1268(2000)005<0098:MHDHCO>2.0.CO;2. PMC 312896. PMID 11147971.
Wistow G, Bernstein SL, Wyatt MK (2002). "Expressed sequence tag analysis of human RPE/choroid for the NEIBank Project: over 6000 non-redundant transcripts, novel genes and splice variants". Mol. Vis. 8: 205–20. PMID 12107410.
Strausberg RL, Feingold EA, Grouse LH (2003). "Generation and initial analysis of more than 15,000 full-length human and mouse cDNA sequences". Proc. Natl. Acad. Sci. U.S.A. 99 (26): 16899–903. doi:10.1073/pnas.242603899. PMC 139241. PMID 12477932.
Chapple JP, Cheetham ME (2003). "The chaperone environment at the cytoplasmic face of the endoplasmic reticulum can modulate rhodopsin processing and inclusion formation". J. Biol. Chem. 278 (21): 19087–94. doi:10.1074/jbc.M212349200. PMID 12754272.
Janket ML, Manickam P, Majumder B (2004). "Differential regulation of host cellular genes by HIV-1 viral protein R (Vpr): cDNA microarray analysis using isogenic virus". Biochem. Biophys. Res. Commun. 314 (4): 1126–32. doi:10.1016/j.bbrc.2004.01.008. PMID 14751250.
Hillman RT, Green RE, Brenner SE (2005). "An unappreciated role for RNA surveillance". Genome Biol. 5 (2): R8. doi:10.1186/gb-2004-5-2-r8. PMC 395752. PMID 14759258.
Colland F, Jacq X, Trouplin V (2004). "Functional Proteomics Mapping of a Human Signaling Pathway". Genome Res. 14 (7): 1324–32. doi:10.1101/gr.2334104. PMC 442148. PMID 15231748.
Gerhard DS, Wagner L, Feingold EA (2004). "The Status, Quality, and Expansion of the NIH Full-Length cDNA Project: The Mammalian Gene Collection (MGC)". Genome Res. 14 (10B): 2121–7. doi:10.1101/gr.2596504. PMC 528928. PMID 15489334.
Westhoff B, Chapple JP, van der Spuy J (2005). "HSJ1 is a neuronal shuttling factor for the sorting of chaperone clients to the proteasome". Curr. Biol. 15 (11): 1058–64. doi:10.1016/j.cub.2005.04.058. PMID 15936278.
Rual JF, Venkatesan K, Hao T (2005). "Towards a proteome-scale map of the human protein-protein interaction network". Nature 437 (7062): 1173–8. doi:10.1038/nature04209. PMID 16189514.
Borrell-Pagès M, Canals JM, Cordelières FP (2006). "Cystamine and cysteamine increase brain levels of BDNF in Huntington disease via HSJ1b and transglutaminase". J. Clin. Invest. 116 (5): 1410–24. doi:10.1172/JCI27607. PMC 1430359. PMID 16604191.
Adaimy L, Chouery E, Megarbane H (2007). "Mutation in WNT10A Is Associated with an Autosomal Recessive Ectodermal Dysplasia: The Odonto-onycho-dermal Dysplasia". Am. J. Hum. Genet. 81 (4): 821–8. doi:10.1086/520064. PMC 1973944. PMID 17847007.

Posttranslational modification

Chaperones/
protein folding

Heat shock proteins/ Chaperonins	Hsp10/GroES Early pregnancy factor Hsp27 Hsp47 HSP60/GroEL Hsp40/DnaJ A1 A2 A3 B1 B2 B11 B4 B6 B9 C1 C3 C5 C6 C7 C10 C11 C13 C14 C19 Hsp70 1A 1B 1L 2 4 4L 5 6 7 8 9 12A 14 Hsp90 α₁ α₂ β ER TRAP1

Other	Alpha crystallin Clusterin Survival of motor neuron SMN1 SMN2

Protein targeting

Signal peptide Mitochondrial targeting signal

Ubiquitin

E1 Ubiquitin-activating enzyme
- UBA1
- UBA2
- UBA3
- UBA5
- UBA6
- UBA7
- ATG7
- NAE1
- SAE1

E2 Ubiquitin-conjugating enzyme
- A
- B
- C
- D1
- D2
- D3
- E1
- E2
- E3
- G1
- G2
- H
- I
- J1
- J2
- K
- L1
- L2
- L3
- L4
- L6
- M
- N
- O
- Q1
- Q2
- R1 (CDC34)
- R2
- S
- V1
- V2
- Z

E3 Ubiquitin ligase
- VHL
- Cullin
- CBL
- MDM2
- FANCL
- UBR1

ATG3
BIRC6
UFC1

Other

Ubiquitin-like modifiers
- SUMO protein
- ISG15
- URM1
- NEDD8
- FAT10
- ATG8
- ATG12
- FUB1
- MUB
- UFM1
- UBL5

Index of genetics

Description	Gene expression DNA replication cycle recombination repair binding proteins Transcription factors regulators nucleic acids RNA RNA binding proteins ribonucleoproteins repeated sequence modification Translation ribosome modification nexins Proteins domains Structure primary secondary tertiary quaternary

Disease	Replication and repair Transcription factor Transcription Translation

DNAJB2

References

Further reading