DDRGK domain-containing protein 1 - Q96HY6 (DDRGK_HUMAN)


Protein Feature View of PDB entries mapped to a UniProtKB sequence  

Substrate adapter for ufmylation, the covalent attachment of the ubiquitin-like modifier UFM1 to substrate proteins, which plays a key role in reticulophagy (also called ER-phagy) (PubMed:32160526). In response to endoplasmic reticulum stress, promotes recruitment of the E3 UFM1-protein ligase UFL1 to the endoplasmic reticulum membrane: in turn, UFL1 mediates ufmylation of proteins such as RPN1 and RPL26/uL24, promoting reticulophagy of endoplasmic reticulum sheets (PubMed:32160526). Ufmylation-dependent reticulophagy inhibits the unfolded protein response (UPR) by regulating ERN1/IRE1-alpha stability (PubMed:28128204, PubMed:32160526). Ufmylation in response to endoplasmic reticulum stress is essential for processes such as hematopoiesis or inflammatory response (By similarity). Required for TRIP4 ufmylation, thereby regulating nuclear receptors-mediated. transcription (PubMed:25219498). May play a role in NF-kappa-B-mediated transcription through regulation of the phosphorylation and the degradation of NFKBIA, the inhibitor of NF-kappa-B (PubMed:23675531). Plays a role in cartilage development through SOX9, inhibiting the ubiquitin-mediated proteasomal degradation of this transcriptional regulator (PubMed:28263186). UniProt
Pathway Maps
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Subunit Structure
Interacts with TRIP4; the interaction with TRIP4 is direct (PubMed:25219498). Interacts (via PCI domain) with UFL1 (PubMed:25219498, PubMed:32160526). Interacts with (unphosphorylated) ERN1/IRE1-alpha; interaction is dependent on UFM1 and takes place in response to endoplasmic reticulum stress, regulating ERN1/IRE1-alpha stability (PubMed:28128204). Interacts with NFKBIA (PubMed:23675531). Interacts with CDK5RAP3 (PubMed:20228063). Interacts with SOX9 (PubMed:28263186). UniProt
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Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
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Data in orange originates from the SCOP   (version 1.75) and SCOPe   (version 2.04) classifications.
Data in grey has been calculated using BioJava  . Protein disorder predictions are based on JRONN (Troshin, P. and Barton, G. J. unpublished), a Java implementation of RONN  
  • Red: potentially disorderd region
  • Blue: probably ordered region.
Hydropathy has been calculated using a sliding window of 15 residues and summing up scores from standard hydrophobicity tables.
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Data in lilac represent the genomic exon structure projected onto the UniProt sequence.
Data in blue originates from PDB
  • Secstruc: Secondary structure projected from representative PDB entries onto the UniProt sequence.
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Data in red indicates combined ranges of Homology Models from the SWISS-MODEL Repository  
The PDB to UniProt mapping is based on the data provided by the EBI SIFTS project. See also Velankar et al., Nucleic Acids Research 33, D262-265 (2005).
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