The name of this superfamily has been modified since the most recent official CATH+ release (v4_4_0). At the point of the last release, this superfamily was named:

"
Immunoglobulins
".

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 2545: Titin homolog

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 3 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
Structural constituent of muscle GO:0008307
The action of a molecule that contributes to the structural integrity of a muscle fiber.
1 F1R7N8 (/IMP)
Myosin binding GO:0017022
Interacting selectively and non-covalently with any part of a myosin complex; myosins are any of a superfamily of molecular motor proteins that bind to actin and use the energy of ATP hydrolysis to generate force and movement along actin filaments.
1 G4SLH0 (/IMP)
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 G4SLH0 (/IPI)

There are 11 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
Cell morphogenesis GO:0000902
The developmental process in which the size or shape of a cell is generated and organized.
1 F1R7N8 (/IMP)
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 F1R7N8 (/IMP)
Skeletal muscle tissue development GO:0007519
The developmental sequence of events leading to the formation of adult skeletal muscle tissue. The main events are: the fusion of myoblasts to form myotubes that increase in size by further fusion to them of myoblasts, the formation of myofibrils within their cytoplasm and the establishment of functional neuromuscular junctions with motor neurons. At this stage they can be regarded as mature muscle fibers.
1 F1R7N8 (/IGI)
Skeletal muscle tissue development GO:0007519
The developmental sequence of events leading to the formation of adult skeletal muscle tissue. The main events are: the fusion of myoblasts to form myotubes that increase in size by further fusion to them of myoblasts, the formation of myofibrils within their cytoplasm and the establishment of functional neuromuscular junctions with motor neurons. At this stage they can be regarded as mature muscle fibers.
1 F1R7N8 (/IMP)
Myofibril assembly GO:0030239
Formation of myofibrils, the repeating units of striated muscle.
1 F1R7N8 (/IGI)
Sarcomere organization GO:0045214
The myofibril assembly process that results in the organization of muscle actomyosin into sarcomeres. The sarcomere is the repeating unit of a myofibril in a muscle cell, composed of an array of overlapping thick and thin filaments between two adjacent Z discs.
1 F1R7N8 (/IMP)
Cardiac muscle tissue development GO:0048738
The process whose specific outcome is the progression of cardiac muscle over time, from its formation to the mature structure.
1 F1R7N8 (/IMP)
Sarcomerogenesis GO:0048769
The process in which sarcomeres are added in series within a fiber.
1 F1R7N8 (/IGI)
Sarcomerogenesis GO:0048769
The process in which sarcomeres are added in series within a fiber.
1 F1R7N8 (/IMP)
Heart contraction GO:0060047
The multicellular organismal process in which the heart decreases in volume in a characteristic way to propel blood through the body.
1 F1R7N8 (/IMP)
Striated muscle myosin thick filament assembly GO:0071688
The aggregation, arrangement and bonding together of proteins to form the myosin-based thick filaments of myofibrils in striated muscle.
1 F1R7N8 (/IGI)

There are 2 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
A band GO:0031672
The dark-staining region of a sarcomere, in which myosin thick filaments are present; the center is traversed by the paler H zone, which in turn contains the M line.
1 G4SLH0 (/IDA)
I band GO:0031674
A region of a sarcomere that appears as a light band on each side of the Z disc, comprising a region of the sarcomere where thin (actin) filaments are not overlapped by thick (myosin) filaments; contains actin, troponin, and tropomyosin; each sarcomere includes half of an I band at each end.
1 G4SLH0 (/IDA)
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