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:

"
Cysteine Rich Protein
".

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 5962: PDZ and LIM domain protein 3

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 12 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
Protein binding GO:0005515
Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
4 O70400 (/IPI) P50479 (/IPI) P70271 (/IPI) Q53GG5 (/IPI)
Transcription coactivator activity GO:0003713
Interacting selectively and non-covalently with a activating transcription factor and also with the basal transcription machinery in order to increase the frequency, rate or extent of transcription. Cofactors generally do not bind the template nucleic acid, but rather mediate protein-protein interactions between activating transcription factors and the basal transcription machinery.
2 A6H7E3 (/ISS) Q5E9E1 (/ISS)
Transcription coactivator activity GO:0003713
Interacting selectively and non-covalently with a activating transcription factor and also with the basal transcription machinery in order to increase the frequency, rate or extent of transcription. Cofactors generally do not bind the template nucleic acid, but rather mediate protein-protein interactions between activating transcription factors and the basal transcription machinery.
1 O70400 (/IDA)
Cytoskeletal protein binding GO:0008092
Interacting selectively and non-covalently with any protein component of any cytoskeleton (actin, microtubule, or intermediate filament cytoskeleton).
1 O70209 (/IPI)
Structural constituent of muscle GO:0008307
The action of a molecule that contributes to the structural integrity of a muscle fiber.
1 O70209 (/IDA)
Structural constituent of muscle GO:0008307
The action of a molecule that contributes to the structural integrity of a muscle fiber.
1 O70209 (/TAS)
Actinin binding GO:0042805
Interacting selectively and non-covalently with actinin, any member of a family of proteins that crosslink F-actin.
1 Q66HS7 (/IDA)
Actinin binding GO:0042805
Interacting selectively and non-covalently with actinin, any member of a family of proteins that crosslink F-actin.
1 P36202 (/IPI)
Actin filament binding GO:0051015
Interacting selectively and non-covalently with an actin filament, also known as F-actin, a helical filamentous polymer of globular G-actin subunits.
1 Q9PW72 (/IDA)
Alpha-actinin binding GO:0051393
Interacting selectively and non-covalently with alpha-actinin, one of a family of proteins that cross-link F-actin as antiparallel homodimers. Alpha-actinin has a molecular mass of 93-103 KDa; at the N-terminus there are two calponin homology domains, at the C-terminus there are two EF-hands. These two domains are connected by the rod domain. This domain is formed by triple-helical spectrin repeats.
1 Q9PU47 (/IPI)
Cadherin binding involved in cell-cell adhesion GO:0098641
Any cadherin binding that occurs as part of the process of cell-cell adhesion.
1 O00151 (/IDA)
Cadherin binding involved in cell-cell adhesion GO:0098641
Any cadherin binding that occurs as part of the process of cell-cell adhesion.
1 O70400 (/ISO)

There are 8 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
Regulation of transcription, DNA-templated GO:0006355
Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
2 A6H7E3 (/ISS) Q5E9E1 (/ISS)
Response to hypoxia GO:0001666
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating lowered oxygen tension. Hypoxia, defined as a decline in O2 levels below normoxic levels of 20.8 - 20.95%, results in metabolic adaptation at both the cellular and organismal level.
1 P52944 (/IEP)
Regulation of transcription, DNA-templated GO:0006355
Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
1 O70400 (/IDA)
Response to oxidative stress GO:0006979
Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of oxidative stress, a state often resulting from exposure to high levels of reactive oxygen species, e.g. superoxide anions, hydrogen peroxide (H2O2), and hydroxyl radicals.
1 O00151 (/TAS)
Actin filament organization GO:0007015
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments. Includes processes that control the spatial distribution of actin filaments, such as organizing filaments into meshworks, bundles, or other structures, as by cross-linking.
1 O70209 (/IDA)
Heart development GO:0007507
The process whose specific outcome is the progression of the heart over time, from its formation to the mature structure. The heart is a hollow, muscular organ, which, by contracting rhythmically, keeps up the circulation of the blood.
1 O70209 (/IMP)
Actin cytoskeleton organization GO:0030036
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures comprising actin filaments and their associated proteins.
1 P36202 (/IDA)
Limb development GO:0060173
The process whose specific outcome is the progression of a limb over time, from its formation to the mature structure. A limb is an appendage of an animal used for locomotion or grasping. Examples include legs, arms or some types of fin.
1 Q9PW72 (/IDA)

There are 20 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
Transcription factor complex GO:0005667
A protein complex that is capable of associating with DNA by direct binding, or via other DNA-binding proteins or complexes, and regulating transcription.
2 A6H7E3 (/ISS) Q5E9E1 (/ISS)
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
2 A0A0A0MQY0 (/IDA) Q53GG5 (/IDA)
Focal adhesion GO:0005925
Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
2 O00151 (/IDA) Q9PU47 (/IDA)
Z disc GO:0030018
Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
2 Q66HS7 (/IDA) Q9PU47 (/IDA)
Stress fiber GO:0001725
A contractile actin filament bundle that consists of short actin filaments with alternating polarity, cross-linked by alpha-actinin and possibly other actin bundling proteins, and with myosin present in a periodic distribution along the fiber.
1 Q9PU47 (/IDA)
Stress fiber GO:0001725
A contractile actin filament bundle that consists of short actin filaments with alternating polarity, cross-linked by alpha-actinin and possibly other actin bundling proteins, and with myosin present in a periodic distribution along the fiber.
1 G3UQT4 (/ISS)
Cell GO:0005623
The basic structural and functional unit of all organisms. Includes the plasma membrane and any external encapsulating structures such as the cell wall and cell envelope.
1 Q9PU47 (/IDA)
Transcription factor complex GO:0005667
A protein complex that is capable of associating with DNA by direct binding, or via other DNA-binding proteins or complexes, and regulating transcription.
1 O70400 (/IDA)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q9PW72 (/IDA)
Cell-cell adherens junction GO:0005913
An adherens junction which connects a cell to another cell.
1 O00151 (/IDA)
Cell-cell adherens junction GO:0005913
An adherens junction which connects a cell to another cell.
1 O70400 (/ISO)
Focal adhesion GO:0005925
Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
1 O70400 (/ISO)
Focal adhesion GO:0005925
Small region on the surface of a cell that anchors the cell to the extracellular matrix and that forms a point of termination of actin filaments.
1 G3UQT4 (/ISS)
Actin cytoskeleton GO:0015629
The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.
1 Q9PU47 (/IDA)
Actin cytoskeleton GO:0015629
The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.
1 O70209 (/IPI)
Actin cytoskeleton GO:0015629
The part of the cytoskeleton (the internal framework of a cell) composed of actin and associated proteins. Includes actin cytoskeleton-associated complexes.
1 G3UQT4 (/ISS)
Z disc GO:0030018
Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
1 G3UQT4 (/ISS)
Z disc GO:0030018
Platelike region of a muscle sarcomere to which the plus ends of actin filaments are attached.
1 O70209 (/TAS)
Lamellipodium GO:0030027
A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
1 Q9PU47 (/IDA)
Lamellipodium GO:0030027
A thin sheetlike process extended by the leading edge of a migrating cell or extending cell process; contains a dense meshwork of actin filaments.
1 G3UQT4 (/ISS)