The name of this superfamily has been modified since the most recent official CATH+ release (v4_2_0). At the point of the last release, this superfamily was named:

"
Class II Histocompatibility Antigen, M Beta Chain; Chain B, domain 1
".

Functional Families

Overview of the Structural Clusters (SC) and Functional Families within this CATH Superfamily. Clusters with a representative structure are represented by a filled circle.
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FunFam 3395: MHC class II antigen

Please note: GO annotations are assigned to the full protein sequence rather than individual protein domains. Since a given protein can contain multiple domains, it is possible that some of the annotations below come from additional domains that occur in the same protein, but have been classified elsewhere in CATH.

There are 2 GO terms relating to "molecular function"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
MHC class II protein complex binding GO:0023026
Interacting selectively and non-covalently with the class II major histocompatibility complex.
1 P28067 (/IDA)
MHC class II receptor activity GO:0032395
Combining with an MHC class II protein complex and transmitting the signal from one side of the membrane to the other to initiate a change in cell activity.
1 Q29878 (/NAS)

There are 2 GO terms relating to "biological process"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Peptide antigen assembly with MHC class II protein complex GO:0002503
The binding of a peptide to the antigen binding groove of an MHC class II protein complex.
1 P28067 (/IDA)
Antigen processing and presentation of exogenous peptide antigen via MHC class II GO:0019886
The process in which an antigen-presenting cell expresses a peptide antigen of exogenous origin on its cell surface in association with an MHC class II protein complex. The peptide antigen is typically, but not always, processed from a whole protein.
1 P28067 (/TAS)

There are 6 GO terms relating to "cellular component"

The search results have been sorted with the annotations that are found most frequently at the top of the list. The results can be filtered by typing text into the search box at the top of the table.
GO Term Annotations Evidence
Intracellular membrane-bounded organelle GO:0043231
Organized structure of distinctive morphology and function, bounded by a single or double lipid bilayer membrane and occurring within the cell. Includes the nucleus, mitochondria, plastids, vacuoles, and vesicles. Excludes the plasma membrane.
4 H0Y732 (/IDA) P28067 (/IDA) Q31604 (/IDA) Q6ICR9 (/IDA)
Lysosomal membrane GO:0005765
The lipid bilayer surrounding the lysosome and separating its contents from the cell cytoplasm.
1 P28067 (/TAS)
Cell surface GO:0009986
The external part of the cell wall and/or plasma membrane.
1 P28067 (/IDA)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 P28067 (/IDA)
MHC class II protein complex GO:0042613
A transmembrane protein complex composed of an MHC class II alpha and MHC class II beta chain, and with or without a bound peptide or polysaccharide antigen.
1 P28067 (/IDA)
Extracellular exosome GO:0070062
A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
1 P28067 (/IDA)