CATH Superfamily 3.55.50.30
The name of this superfamily has been modified since the most recent official CATH+ release (v4_3_0). At the point of the last release, this superfamily was: waiting to be named.
FunFam 2: Probable TonB-dependent receptor
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 7 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 |
|---|---|---|
|
Heme transporter activity GO:0015232
Enables the directed movement of heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring, into, out of or within a cell, or between cells.
|
5 | Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) |
|
Signaling receptor activity GO:0038023
Receiving a signal and transmitting it in the cell to initiate a change in cell activity. A signal is a physical entity or change in state that is used to transfer information in order to trigger a response.
|
3 | Q9HXB2 (/ISS) Q9HYJ7 (/ISS) Q9HYJ7 (/ISS) |
|
Heme transporter activity GO:0015232
Enables the directed movement of heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring, into, out of or within a cell, or between cells.
|
2 | Q9HYJ7 (/IMP) Q9HYJ7 (/IMP) |
|
Heme binding GO:0020037
Interacting selectively and non-covalently with heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring.
|
2 | Q9HYJ7 (/IDA) Q9HYJ7 (/IDA) |
|
Sigma factor activity GO:0016987
Sigma factors act as the promoter specificity subunit of eubacterial and plant plastid multisubunit RNA polymerases, whose core subunit composition is often described as alpha(2)-beta-beta-prime. Although sigma does not bind DNA on its own, when combined with the core to form the holoenzyme, the sigma factor binds specifically to promoter elements. The sigma subunit is released once elongation begins.
|
1 | Q9I2J4 (/IMP) |
|
Signaling receptor activity GO:0038023
Receiving a signal and transmitting it in the cell to initiate a change in cell activity. A signal is a physical entity or change in state that is used to transfer information in order to trigger a response.
|
1 | Q9I648 (/IMP) |
|
Ferrichrome transmembrane transporter activity GO:0042929
Enables the directed movement of a ferrichrome from one side of a membrane to the other. Ferrichromes are any of a group of growth-promoting Fe(III) chelates formed by various genera of microfungi. They are homodetic cyclic hexapeptides made up of a tripeptide of glycine (or other small neutral amino acids) and a tripeptide of an N'acyl-N4-hydroxy-L-ornithine.
|
1 | Q9I648 (/IMP) |
There are 9 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 surface receptor signaling pathway GO:0007166
A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
|
8 | Q9HXB2 (/ISS) Q9HYJ7 (/ISS) Q9HYJ7 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) |
|
Heme transport GO:0015886
The directed movement of heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
|
5 | Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) |
|
Heme transport GO:0015886
The directed movement of heme, any compound of iron complexed in a porphyrin (tetrapyrrole) ring, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
|
2 | Q9HYJ7 (/IMP) Q9HYJ7 (/IMP) |
|
Cell surface receptor signaling pathway GO:0007166
A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
|
1 | Q9I648 (/IMP) |
|
Cell surface receptor signaling pathway GO:0007166
A series of molecular signals initiated by activation of a receptor on the surface of a cell. The pathway begins with binding of an extracellular ligand to a cell surface receptor, or for receptors that signal in the absence of a ligand, by ligand-withdrawal or the activity of a constitutively active receptor. The pathway ends with regulation of a downstream cellular process, e.g. transcription.
|
1 | Q9I6Y1 (/NAS) |
|
Citrate transport GO:0015746
The directed movement of citrate, 2-hydroxy-1,2,3-propanetricarboyxlate, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
|
1 | Q9HXB2 (/IMP) |
|
Siderophore transport GO:0015891
The directed movement of siderophores, low molecular weight Fe(III)-chelating substances, into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
|
1 | Q9I2J4 (/IMP) |
|
Regulation of iron ion transport GO:0034756
Any process that modulates the frequency, rate or extent of the directed movement of iron ions (Fe) into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
|
1 | Q9I2J4 (/IMP) |
|
Ferrichrome import into cell GO:0042928
A process in which ferrichrome is transported into the cell by specific cell surface receptors. Ferrichromes are any of a group of growth-promoting Fe(III) chelates formed by various genera of microfungi. They are homodetic cyclic hexapeptides made up of a tripeptide of glycine (or other small neutral amino acids) and a tripeptide of an N'acyl-N4-hydroxy-L-ornithine.
|
1 | Q9I648 (/IMP) |
There are 4 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 |
|---|---|---|
|
Outer membrane GO:0019867
The external membrane of Gram-negative bacteria or certain organelles such as mitochondria and chloroplasts; freely permeable to most ions and metabolites.
|
7 | Q9HUR6 (/IDA) Q9HUR6 (/IDA) Q9I0P7 (/IDA) Q9I226 (/IDA) Q9I226 (/IDA) Q9I648 (/IDA) Q9I6Y1 (/IDA) |
|
Outer membrane GO:0019867
The external membrane of Gram-negative bacteria or certain organelles such as mitochondria and chloroplasts; freely permeable to most ions and metabolites.
|
5 | Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) Q9I442 (/ISS) |
|
Outer membrane GO:0019867
The external membrane of Gram-negative bacteria or certain organelles such as mitochondria and chloroplasts; freely permeable to most ions and metabolites.
|
2 | Q9HYJ7 (/IMP) Q9HYJ7 (/IMP) |
|
Cytosol GO:0005829
The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
|
1 | Q9I2J4 (/NAS) |