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: waiting to be named.

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 51899: Non-specific lipid-transfer protein

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 23 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).
2 P22307 (/IPI) P32020 (/IPI)
Propionyl-CoA C2-trimethyltridecanoyltransferase activity GO:0050632
Catalysis of the reaction: 4,8,12-trimethyltridecanoyl-CoA + propanoyl-CoA = 3-oxopristanoyl-CoA + CoA.
2 P22307 (/TAS) P32020 (/TAS)
Fatty-acyl-CoA binding GO:0000062
Interacting selectively and non-covalently with acyl-CoA, any derivative of coenzyme A in which the sulfhydryl group is in thiolester linkage with a fatty acyl group.
1 P22307 (/IDA)
Fatty-acyl-CoA binding GO:0000062
Interacting selectively and non-covalently with acyl-CoA, any derivative of coenzyme A in which the sulfhydryl group is in thiolester linkage with a fatty acyl group.
1 P32020 (/ISO)
Acetyl-CoA C-acyltransferase activity GO:0003988
Catalysis of the reaction: acyl-CoA + acetyl-CoA = CoA + 3-oxoacyl-CoA.
1 P11915 (/IDA)
Receptor binding GO:0005102
Interacting selectively and non-covalently with one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
1 P22307 (/IPI)
Receptor binding GO:0005102
Interacting selectively and non-covalently with one or more specific sites on a receptor molecule, a macromolecule that undergoes combination with a hormone, neurotransmitter, drug or intracellular messenger to initiate a change in cell function.
1 P32020 (/ISO)
Phospholipid transporter activity GO:0005548
Enables the directed movement of phospholipids into, out of or within a cell, or between cells. Phospholipids are a class of lipids containing phosphoric acid as a mono- or diester.
1 Q24507 (/ISS)
Phosphatidylcholine transporter activity GO:0008525
Enables the directed movement of phosphatidylcholine into, out of or within a cell, or between cells. Phosphatidylcholine refers to a class of glycerophospholipids in which the phosphatidyl group is esterified to the hydroxyl group of choline.
1 P11915 (/IDA)
Phosphatidylinositol transporter activity GO:0008526
Enables the directed movement of phosphatidylinositol into, out of or within a cell, or between cells. Phosphatidylinositol refers to any glycophospholipids with its sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.
1 P22307 (/IDA)
Phosphatidylinositol transporter activity GO:0008526
Enables the directed movement of phosphatidylinositol into, out of or within a cell, or between cells. Phosphatidylinositol refers to any glycophospholipids with its sn-glycerol 3-phosphate residue is esterified to the 1-hydroxyl group of 1D-myo-inositol.
1 P32020 (/ISO)
Cholesterol binding GO:0015485
Interacting selectively and non-covalently with cholesterol (cholest-5-en-3-beta-ol); the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones.
1 P22307 (/IDA)
Cholesterol binding GO:0015485
Interacting selectively and non-covalently with cholesterol (cholest-5-en-3-beta-ol); the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones.
1 P32020 (/ISO)
Cholesterol transporter activity GO:0017127
Enables the directed movement of cholesterol into, out of or within a cell, or between cells. Cholesterol is the principal sterol of vertebrates and the precursor of many steroids, including bile acids and steroid hormones.
1 P11915 (/IDA)
Long-chain fatty acyl-CoA binding GO:0036042
Interacting selectively and non-covalently with a long-chain fatty acyl-CoA. A long-chain fatty acyl-CoA is any derivative of coenzyme A in which the sulfhydryl group is in a thioester linkage with a long-chain fatty-acyl group. Long-chain fatty-acyl-CoAs have chain lengths of C13 or more.
1 P22307 (/IDA)
Long-chain fatty acyl-CoA binding GO:0036042
Interacting selectively and non-covalently with a long-chain fatty acyl-CoA. A long-chain fatty acyl-CoA is any derivative of coenzyme A in which the sulfhydryl group is in a thioester linkage with a long-chain fatty-acyl group. Long-chain fatty-acyl-CoAs have chain lengths of C13 or more.
1 P32020 (/ISO)
Protein homodimerization activity GO:0042803
Interacting selectively and non-covalently with an identical protein to form a homodimer.
1 P11915 (/IDA)
Protein heterodimerization activity GO:0046982
Interacting selectively and non-covalently with a nonidentical protein to form a heterodimer.
1 P11915 (/IDA)
Propionyl-CoA C2-trimethyltridecanoyltransferase activity GO:0050632
Catalysis of the reaction: 4,8,12-trimethyltridecanoyl-CoA + propanoyl-CoA = 3-oxopristanoyl-CoA + CoA.
1 P22307 (/EXP)
Propionyl-CoA C2-trimethyltridecanoyltransferase activity GO:0050632
Catalysis of the reaction: 4,8,12-trimethyltridecanoyl-CoA + propanoyl-CoA = 3-oxopristanoyl-CoA + CoA.
1 P32020 (/ISO)
Oleic acid binding GO:0070538
Interacting selectively and non-covalently with oleic acid, the 18-carbon monounsaturated fatty acid (9Z)-octadec-9-enoic acid.
1 P22307 (/IDA)
Oleic acid binding GO:0070538
Interacting selectively and non-covalently with oleic acid, the 18-carbon monounsaturated fatty acid (9Z)-octadec-9-enoic acid.
1 P32020 (/ISO)
Phosphatidylethanolamine transporter activity GO:1904121
Enables the directed movement of phosphatidylethanolamine into, out of or within a cell, or between cells.
1 P11915 (/IDA)

There are 32 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
Positive regulation of intracellular cholesterol transport GO:0032385
Any process that activates or increases the frequency, rate or extent of the directed movement of cholesterol within cells.
2 P07857 (/IDA) P22307 (/IDA)
Lipid hydroperoxide transport GO:1901373
The directed movement of a lipid hydroperoxide into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
2 P07857 (/IDA) P22307 (/IDA)
Acyl-CoA metabolic process GO:0006637
The chemical reactions and pathways involving acyl-CoA, any derivative of coenzyme A in which the sulfhydryl group is in thiolester linkage with an acyl group.
1 P32020 (/TAS)
Steroid biosynthetic process GO:0006694
The chemical reactions and pathways resulting in the formation of steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus; includes de novo formation and steroid interconversion by modification.
1 P22307 (/IDA)
Steroid biosynthetic process GO:0006694
The chemical reactions and pathways resulting in the formation of steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus; includes de novo formation and steroid interconversion by modification.
1 P32020 (/ISO)
Bile acid biosynthetic process GO:0006699
The chemical reactions and pathways resulting in the formation of bile acids, any of a group of steroid carboxylic acids occurring in bile.
1 P22307 (/TAS)
Progesterone biosynthetic process GO:0006701
The chemical reactions and pathways resulting in the formation of progesterone, a steroid hormone produced in the ovary which prepares and maintains the uterus for pregnancy. Also found in plants.
1 P22307 (/IDA)
Progesterone biosynthetic process GO:0006701
The chemical reactions and pathways resulting in the formation of progesterone, a steroid hormone produced in the ovary which prepares and maintains the uterus for pregnancy. Also found in plants.
1 P32020 (/ISO)
Peroxisome organization GO:0007031
A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a peroxisome. A peroxisome is a small, membrane-bounded organelle that uses dioxygen (O2) to oxidize organic molecules.
1 P32020 (/IMP)
Aging GO:0007568
A developmental process that is a deterioration and loss of function over time. Aging includes loss of functions such as resistance to disease, homeostasis, and fertility, as well as wear and tear. Aging includes cellular senescence, but is more inclusive. May precede death and may succeed developmental maturation (GO:0021700).
1 P11915 (/IDA)
Positive regulation of steroid biosynthetic process GO:0010893
Any process that increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus.
1 P11915 (/IDA)
Positive regulation of steroid biosynthetic process GO:0010893
Any process that increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of steroids, compounds with a 1,2,cyclopentanoperhydrophenanthrene nucleus.
1 P11915 (/IMP)
Phospholipid transport GO:0015914
The directed movement of phospholipids into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Phospholipids are any lipids containing phosphoric acid as a mono- or diester.
1 P22307 (/IDA)
Phospholipid transport GO:0015914
The directed movement of phospholipids into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Phospholipids are any lipids containing phosphoric acid as a mono- or diester.
1 P32020 (/ISO)
Phospholipid transport GO:0015914
The directed movement of phospholipids into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore. Phospholipids are any lipids containing phosphoric acid as a mono- or diester.
1 Q24507 (/ISS)
Response to estradiol GO:0032355
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 stimulus by estradiol, a C18 steroid hormone hydroxylated at C3 and C17 that acts as a potent estrogen.
1 P11915 (/IEP)
Positive regulation of intracellular cholesterol transport GO:0032385
Any process that activates or increases the frequency, rate or extent of the directed movement of cholesterol within cells.
1 P32020 (/ISO)
Positive regulation of intracellular cholesterol transport GO:0032385
Any process that activates or increases the frequency, rate or extent of the directed movement of cholesterol within cells.
1 P22307 (/NAS)
Inositol trisphosphate biosynthetic process GO:0032959
The chemical reactions and pathways resulting in the formation of inositol trisphosphate, 1,2,3,4,5,6-cyclohexanehexol, with three phosphate groups attached.
1 P22307 (/IDA)
Inositol trisphosphate biosynthetic process GO:0032959
The chemical reactions and pathways resulting in the formation of inositol trisphosphate, 1,2,3,4,5,6-cyclohexanehexol, with three phosphate groups attached.
1 P32020 (/ISO)
Fatty acid beta-oxidation using acyl-CoA oxidase GO:0033540
A fatty acid beta-oxidation pathway in which the initial step, which converts an acyl-CoA to a trans-2-enoyl-CoA, is catalyzed by acyl-CoA oxidase; the electrons removed by oxidation pass directly to oxygen and produce hydrogen peroxide, which is cleaved by peroxisomal catalases. Fatty acid beta-oxidation begins with the addition of coenzyme A to a fatty acid, and ends when only two or three carbons remain (as acetyl-CoA or propionyl-CoA respectively).
1 P22307 (/TAS)
Response to luteinizing hormone GO:0034699
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 luteinizing hormone stimulus.
1 P11915 (/IEP)
Alpha-linolenic acid metabolic process GO:0036109
The chemical reactions and pathways involving alpha-linolenic acid, an unsaturated omega-6 fatty acid that has the molecular formula C18H32O2.
1 P22307 (/TAS)
Positive regulation of apoptotic process GO:0043065
Any process that activates or increases the frequency, rate or extent of cell death by apoptotic process.
1 P11915 (/IDA)
Positive regulation of cholesterol biosynthetic process GO:0045542
Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways resulting in the formation of cholesterol.
1 P11915 (/IDA)
Positive regulation of steroid metabolic process GO:0045940
Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways involving steroids.
1 P22307 (/IDA)
Positive regulation of steroid metabolic process GO:0045940
Any process that activates or increases the frequency, rate or extent of the chemical reactions and pathways involving steroids.
1 P32020 (/ISO)
Cellular response to cholesterol GO:0071397
Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a cholesterol stimulus.
1 P11915 (/IEP)
Protein localization to plasma membrane GO:0072659
A process in which a protein is transported to, or maintained in, a specific location in the plasma membrane.
1 P22307 (/IDA)
Protein localization to plasma membrane GO:0072659
A process in which a protein is transported to, or maintained in, a specific location in the plasma membrane.
1 P32020 (/ISO)
Lipid hydroperoxide transport GO:1901373
The directed movement of a lipid hydroperoxide into, out of or within a cell, or between cells, by means of some agent such as a transporter or pore.
1 P32020 (/ISO)
Positive regulation of cholesterol import GO:1904109
Any process that activates or increases the frequency, rate or extent of cholesterol import.
1 P11915 (/IDA)

There are 25 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
Mitochondrion GO:0005739
A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.
2 P11915 (/IDA) P32020 (/IDA)
Peroxisome GO:0005777
A small organelle enclosed by a single membrane, and found in most eukaryotic cells. Contains peroxidases and other enzymes involved in a variety of metabolic processes including free radical detoxification, lipid catabolism and biosynthesis, and hydrogen peroxide metabolism.
2 P11915 (/IDA) P22307 (/IDA)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
2 P11915 (/IDA) P22307 (/IDA)
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.
2 H0YCB0 (/IDA) P22307 (/IDA)
Nucleus GO:0005634
A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
1 P11915 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 P22307 (/IDA)
Nucleoplasm GO:0005654
That part of the nuclear content other than the chromosomes or the nucleolus.
1 P32020 (/ISO)
Cytoplasm GO:0005737
All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
1 Q24507 (/ISS)
Mitochondrion GO:0005739
A semiautonomous, self replicating organelle that occurs in varying numbers, shapes, and sizes in the cytoplasm of virtually all eukaryotic cells. It is notably the site of tissue respiration.
1 Q24507 (/ISS)
Peroxisome GO:0005777
A small organelle enclosed by a single membrane, and found in most eukaryotic cells. Contains peroxidases and other enzymes involved in a variety of metabolic processes including free radical detoxification, lipid catabolism and biosynthesis, and hydrogen peroxide metabolism.
1 Q24507 (/ISM)
Peroxisome GO:0005777
A small organelle enclosed by a single membrane, and found in most eukaryotic cells. Contains peroxidases and other enzymes involved in a variety of metabolic processes including free radical detoxification, lipid catabolism and biosynthesis, and hydrogen peroxide metabolism.
1 P32020 (/ISO)
Peroxisome GO:0005777
A small organelle enclosed by a single membrane, and found in most eukaryotic cells. Contains peroxidases and other enzymes involved in a variety of metabolic processes including free radical detoxification, lipid catabolism and biosynthesis, and hydrogen peroxide metabolism.
1 Q24507 (/ISS)
Peroxisome GO:0005777
A small organelle enclosed by a single membrane, and found in most eukaryotic cells. Contains peroxidases and other enzymes involved in a variety of metabolic processes including free radical detoxification, lipid catabolism and biosynthesis, and hydrogen peroxide metabolism.
1 P32020 (/TAS)
Peroxisomal matrix GO:0005782
The volume contained within the membranes of a peroxisome; in many cells the matrix contains a crystalloid core largely composed of urate oxidase.
1 P11915 (/IDA)
Peroxisomal matrix GO:0005782
The volume contained within the membranes of a peroxisome; in many cells the matrix contains a crystalloid core largely composed of urate oxidase.
1 P22307 (/TAS)
Endoplasmic reticulum GO:0005783
The irregular network of unit membranes, visible only by electron microscopy, that occurs in the cytoplasm of many eukaryotic cells. The membranes form a complex meshwork of tubular channels, which are often expanded into slitlike cavities called cisternae. The ER takes two forms, rough (or granular), with ribosomes adhering to the outer surface, and smooth (with no ribosomes attached).
1 P11915 (/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.
1 P11915 (/IDA)
Membrane GO:0016020
A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
1 P32020 (/ISO)
Extrinsic component of membrane GO:0019898
The component of a membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.
1 P11915 (/IDA)
Extrinsic component of mitochondrial outer membrane GO:0031315
The component of a mitochondrial outer membrane consisting of gene products and protein complexes that are loosely bound to one of its surfaces, but not integrated into the hydrophobic region.
1 P11915 (/IDA)
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.
1 P32020 (/ISO)
Protein complex GO:0043234
A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.
1 P22307 (/IDA)
Protein complex GO:0043234
A stable macromolecular complex composed (only) of two or more polypeptide subunits along with any covalently attached molecules (such as lipid anchors or oligosaccharide) or non-protein prosthetic groups (such as nucleotides or metal ions). Prosthetic group in this context refers to a tightly bound cofactor. The component polypeptide subunits may be identical.
1 P32020 (/ISO)
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 P22307 (/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 P32020 (/ISO)