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Disks large homolog 1 - Q12959 (DLG1_HUMAN)

 

Protein Feature View of PDB entries mapped to a UniProtKB sequence  

Number of PDB entries for Q12959: 9
 
Function
Essential multidomain scaffolding protein required for normal development (By similarity). Recruits channels, receptors and signaling molecules to discrete plasma membrane domains in polarized cells. May play a role in adherens junction assembly, signal transduction, cell proliferation, synaptogenesis and lymphocyte activation. Regulates the excitability of cardiac myocytes by modulating the functional expression of Kv4 channels. Functional regulator of Kv1.5 channel. (data source: UniProt  )
Subunit structure
Homotetramer (Probable). Interacts through its guanylate kinase-like domain with DLGAP1, DLGAP2, DLGAP3, DLGAP4 and MAP1A. May interact with HTR2A (By similarity). Interacts with LRFN1 (By similarity). Interacts through its PDZ domains with GRIN2A, KCNA1, KCNA2, KCNA3, KCNA4, KCNA5, KCND2, KCND3, GRIA1, GPR124 and GPR125. Interacts with KCNF1. Interacts with CAMK2 (By similarity). Interacts with cytoskeleton-associated proteins EPB41 and EZR. Found in a complex with KCNA5 and CAV3. Found in a complex with APC and CTNNB1. Interacts with CDH1 through binding to PIK3R1. Forms multiprotein complexes with CASK, LIN7A, LIN7B, LIN7C, APBA1, and KCNJ12. Interacts through its guanylate kinase-like domain with KIF13B. Forms a tripartite complex composed of DLG1, MPP7 and LIN7 (LIN7A or LIN7C). May interact with TJAP1. Interacts with TOPK and the HTLV-1 viral Tax and HPV-18 E6 papillomavirus (HPV) oncoproteins. Interacts with PTEN (By similarity). Interacts with FRMPD4 (via C-terminus). Interacts with LRFN1, LRFN2, LRFN4 and SFPQ. (data source: UniProt  )
Domain
The L27 domain may regulate DLG1 self-association. The N-terminal alternatively spliced region is capable of binding several SH3 domains and also moderates the level of protein oligomerization. (data source: UniProt  )
UniProtKB:
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Data origin/color codes
The vertical color bar on the left side indicates data provenance.
Data in green originates from UniProtKB  
Data in yellow originates from Pfam  , by interacting with the HMMER3 web site  
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.
  • Red: hydrophobic
  • Blue: hydrophilic.
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.
Data in red indicates combined ranges of Homology Models from SBKB   and the Protein Model Portal  

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).