Cotransporter: Difference between revisions

Latest revision as of 03:54, 23 November 2022

Definition

A cotransporter is a type of membrane transport protein that facilitates transport across a biological membrane of two species of substrate (ion or molecule) in a coupled fashion: it moves one species along its concentration gradient and the other species opposite its concentration gradient.

Cotransporters stand in contrast with uniporters: a uniporter transports only one species of substrate.

Relation with other concepts

Broader concepts

Concept	Meaning	Relationship with the concept of cotransporter	Intermediate notions
membrane transport protein	protein that facilitates movement across a biological membrane	cotransporters are a type of membrane transport protein; uniporters are another kind	\|FULL LIST, MORE INFO
transmembrane protein	protein that is attached to both sides of the bilipid layer of a biological membrane	(via membrane transport protein)	Membrane transport protein\|FULL LIST, MORE INFO
integral membrane protein	protein that is permanently attached to a biological membrane	(via transmembrane protein)	Membrane transport protein\|FULL LIST, MORE INFO
membrane protein	protein that interacts with a biological membrane	(via integral membrane protein)	Membrane transport protein\|FULL LIST, MORE INFO

Narrower concepts

Concept	Meaning	Relationship with the concept of cotransporter	Intermediate notions
antiporter	coupled transporter where one entity is transported from inside to outside, the other is transported from outside to inside	antiporter is a type of cotransporter where the two transports are in opposite directions; symporters transport both in the same direction	\|FULL LIST, MORE INFO
symporter	coupled transporter where both entities are transported in the same direction	symporter is a type of cotransporter where the two transports are in opposite directions; antiporters transport both in opposite directions	\|FULL LIST, MORE INFO

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 ==Definition==
-A '''cotransporter''' is a type of [[membrane transport protein]] that facilitates transport across a biological membrane of two entities (ions or molecules) in a coupled fashion: it moves one entity in one direction (outside to inside) and the other entity in the other direction (inside to outside). One of the entities being transported is along its concentration gradient and the other is against its concentration gradient.
+A '''cotransporter''' is a type of [[membrane transport protein]] that facilitates transport across a biological membrane of two species of substrate (ion or molecule) in a coupled fashion: it moves one species along its concentration gradient and the other species opposite its concentration gradient.
+Cotransporters stand in contrast with [[uniporters]]: a uniporter transports only one species of substrate.
+==Relation with other concepts==
+===Broader concepts===
+{| class="sortable" border="1"
+! Concept !! Meaning !! Relationship with the concept of cotransporter !! Intermediate notions
+|-
+| [[Narrower than::membrane transport protein]] || protein that facilitates movement across a biological membrane || cotransporters are a type of membrane transport protein; [[uniporter]]s are another kind || {{intermediate notions short|cotransporter|membrane transport protein}}
+|-
+| [[Narrower than::transmembrane protein]] || protein that is attached to both sides of the bilipid layer of a biological membrane || (via membrane transport protein) || {{intermediate notions short|cotransporter|transmembrane protein}}
+|-
+| [[Narrower than::integral membrane protein]] || protein that is permanently attached to a biological membrane || (via transmembrane protein) || {{intermediate notions short|cotransporter|transmembrane protein}}
+|-
+| [[Narrower than::membrane protein]] || protein that interacts with a biological membrane || (via integral membrane protein) || {{intermediate notions short|cotransporter|membrane protein}}
+|}
+===Narrower concepts===
+{| class="sortable" border="1"
+! Concept !! Meaning !! Relationship with the concept of cotransporter !! Intermediate notions
+|-
+| [[Broader than::antiporter]] || coupled transporter where one entity is transported from inside to outside, the other is transported from outside to inside || antiporter is a type of cotransporter where the two transports are in opposite directions; [[symporter]]s transport both in the same direction || {{intermediate notions short|antiporter|cotransporter}}
+|-
+| [[Broader than::symporter]] || coupled transporter where both entities are transported in the same direction || symporter is a type of cotransporter where the two transports are in opposite directions; [[antiporter]]s transport both in opposite directions || {{intermediate notions short|symporter|cotransporter}}
+|}