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 named:

"
Cytochrome b5-like heme/steroid binding domain
".

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 8: Nitrate reductase

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 5 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
Nitrate reductase activity GO:0008940
Catalysis of the reaction: nitrite + acceptor = nitrate + reduced acceptor.
4 P11035 (/IDA) P11035 (/IDA) P11832 (/IDA) P11832 (/IDA)
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).
2 P11832 (/IPI) P11832 (/IPI)
Nitrate reductase activity GO:0008940
Catalysis of the reaction: nitrite + acceptor = nitrate + reduced acceptor.
2 P11832 (/IMP) P11832 (/IMP)
Nitrate reductase activity GO:0008940
Catalysis of the reaction: nitrite + acceptor = nitrate + reduced acceptor.
2 P11035 (/ISS) P11035 (/ISS)
Nitrate reductase (NADH) activity GO:0009703
Catalysis of the reaction: nitrite + NAD+ + H2O = nitrate + NADH + H+.
2 P11035 (/IDA) P11035 (/IDA)

There are 4 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
Nitric oxide biosynthetic process GO:0006809
The chemical reactions and pathways resulting in the formation of nitric oxide, nitrogen monoxide (NO), a colorless gas only slightly soluble in water.
4 P11035 (/IMP) P11035 (/IMP) P11832 (/IMP) P11832 (/IMP)
Response to light stimulus GO:0009416
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 light stimulus, electromagnetic radiation of wavelengths classified as infrared, visible or ultraviolet light.
4 P11035 (/IMP) P11035 (/IMP) P11832 (/IMP) P11832 (/IMP)
Nitrate assimilation GO:0042128
The nitrogen metabolic process that encompasses the uptake of nitrate from the environment and reduction to ammonia, and results in the incorporation of nitrogen derived from nitrate into cellular substances.
4 P11035 (/IMP) P11035 (/IMP) P11832 (/IMP) P11832 (/IMP)
Response to symbiotic fungus GO:0009610
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 from a symbiotic fungus, a fungus living in close physical association with another organism.
2 P11035 (/IEP) P11035 (/IEP)

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
Vacuole GO:0005773
A closed structure, found only in eukaryotic cells, that is completely surrounded by unit membrane and contains liquid material. Cells contain one or several vacuoles, that may have different functions from each other. Vacuoles have a diverse array of functions. They can act as a storage organelle for nutrients or waste products, as a degradative compartment, as a cost-effective way of increasing cell size, and as a homeostatic regulator controlling both turgor pressure and pH of the cytosol.
2 P11035 (/IDA) P11035 (/IDA)
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 P11035 (/IDA) P11035 (/IDA)
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 P11832 (/TAS) P11832 (/TAS)
Plasma membrane GO:0005886
The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
2 P11035 (/IDA) P11035 (/IDA)