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PKD domain superfamily
SCOP classification
Superfamily statistics
Functional annotation
| General category | General |
| Detailed category | General |
Function annotation of SCOP domain superfamilies
InterPro annotation
| Cross references | IPR000601 SSF49299 Protein matches |
| Abstract | The PKD domain was first identified in the Polycystic kidney disease protein, polycystin-1 (PDK1 gene), and contains an Ig-like fold consisting of a beta-sandwich of seven strands in two sheets with a Greek key topology, although some members have additional strands [ 9889186]. Polycystin-1 is a large cell-surface glycoprotein involved in adhesive protein-protein and protein-carbohydrate interactions; however it is not clear if the PKD domain mediates any of these interactions.
PKD domains are also found in other proteins, usually in the extracellular parts of proteins involved in interactions with other proteins. For example, domains with a PKD-type fold are found in archaeal surface layer proteins that protect the cell from extreme environments [12377130], and in the human VPS10 domain-containing receptor SorCS2 [11499680]. |
InterPro database
PDBeMotif information about ligands, sequence and structure motifs
PDBeMotif resource
Jump to [ Top of page · SCOP classification · InterPro annotation · PDBeMotif links · Functional annotation ]
Internal database links
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Browse genome assignments for this superfamily. The SUPERFAMILY hidden Markov model library has been used to carry
out SCOP domain assignments to all genomes at the superfamily level.
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Alignments of sequences to 3 models
in this superfamily are available by clicking on the 'Alignments' icon above. PDB sequences less than 40% identical
are shown by default, but any other sequence(s) may be aligned. Select PDB sequences, genome sequences, or paste in or upload your own sequences.
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Browse and view proteins in genomes which have
different domain combinations including a PKD domain domain.
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Examine the distribution of domain superfamilies, or families, across the major taxonomic kingdoms or genomes within a kingdom. This gives an immediate impression of how superfamilies, or families, are restricted to certain kingdoms of life.
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Explore domain occurrence network where nodes represent genomes and edges are domain architectures (shared between genomes) containing the superfamily of interest.
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There are 3 hidden Markov models representing the PKD domain superfamily. Information on how the models are built, and plots showing hydrophobicity, match emmission probabilities and insertion/deletion probabilities can be inspected.
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Jump to [ Top of page · SCOP classification · InterPro annotation · PDBeMotif links · Functional annotation · Internal database links ]
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