Membrane transport protein

Membrane transport protein: A membrane transport protein (or simply transporter) is a membrane protein^[1] involved in the movement of ions, small molecules, or macromolecules, such as another protein across a biological membrane. Transport proteins are integral membrane proteins; that is they exist within and span the membrane across which they transport substances. The proteins may assist in the movement of substances by facilitated diffusion or active transport. These mechanisms of action are known as carrier-mediated transport.^[2]

Contents

1 Types

1.1 1: Channels/Pores

1.2 2: Electrochemical Potential-driven transporters

1.3 3: Primary Active Transporters

1.4 4: Co-transporters

1.5 5: Incompletely Characterized Transport Systems

1.6 Ungrouped

2 See also

3 References

4 External links

Types

Facilitated Diffusion

(Grouped by Transporter Classification database categories)

1: Channels/Pores

facilitated diffusion

2: Electrochemical Potential-driven transporters

Mitochondrial membrane transport protein

Glucose transporter

Neurotransmitter transporters

Glutamate/aspartate transporters

GABA transporters

Glycine transporters

Monoamine transporters, including:

Dopamine transporter (DAT)

Norepinephrine transporter (NET)

Serotonin transporter (SERT)

Vesicular monoamine transporters (VMAT)

Adenosine transporters

Vesicular acetylcholine transporter (VAChT)

3: Primary Active Transporters

ATP-binding cassette transporter genes

P-glycoprotein

CD98

V-ATPase

Ion transporters

Na+/K+-ATPase

Plasma membrane Ca²⁺ ATPase

Proton pump

Hydrogen potassium ATPase

Sodium-chloride symporter

4: Co-transporters

Symporters transport two or more ions together in the same direction, antiporters in the opposite direction.

5: Incompletely Characterized Transport Systems

9.A.50: Karyopherin

Ungrouped

CD36

See also

Carrier protein

Cotransport

Cotransporter

Ion channel

P-loop

Solute carrier family (classification)

TC number (classification)

Vesicular transport protein

References

^ MeSH Membrane+transport+proteins

^ Carrier mediated transport, Answers.com

External links

"Transport protein" at Dorland's Medical Dictionary

v · Proteins: carrier proteins

Fatty acid
FABP1 · FABP2 · FABP3 · FABP4 · FABP5 · FABP6 · FABP7

Hormone

peptide hormone: Follistatin · Growth hormone binding protein · Insulin-like growth factor binding protein (IGFBP1, IGFBP2, IGFBP3, IGFBP4, IGFBP5, IGFBP6, IGFBP7) · Neurophysins (Neurophysin I, II)
steroid hormone: Sex hormone binding globulin/Androgen binding protein · Transcortin · Thyroxine-binding globulin · Transthyretin

Metal/element
calcium (Calcium-binding protein, Calmodulin-binding proteins) · copper (Ceruloplasmin) · iron (Iron-binding proteins, Transferrin receptor)

Vitamin
Retinol binding protein (4) · Transcobalamin

Other
Acyl carrier protein · Adaptor protein · Cholesterylester transfer protein · F-box protein · GTP-binding protein · Latent TGF-beta binding protein · Light-harvesting complex · Major urinary proteins · Membrane transport protein · Odorant binding protein

B proteins: BY STRUCTURE: membrane, globular (en, ca, an), fibrous

v · ion channels (TC 1A)

Ca²⁺: Calcium channel

Voltage-gated

L-type/Ca_vα (1.1, 1.2, 1.3, 1.4) · N-type/Ca_vα2.2 · P-type/Ca_vα(2.1) · Q-type/Ca_vα2.1 · R-type/Ca_vα2.3 · T-type/Ca_vα(3.1, 3.2, 3.3)
α₂δ-subunits (1, 2) · β-subunits (β1, β2, β3, β4) · γ-subunits (γ1, γ2, γ3, γ4)
Cation channels of sperm (1, 2, 3, 4) · Two-pore channel (1, 2)

Ligand-gated

Inositol trisphosphate receptor (1, 2, 3) · Ryanodine receptor (1, 2, 3)

Na⁺: Sodium channel

Constitutively active

Epithelial sodium channel (α, β, γ, δ)

Proton gated

Amiloride-sensitive cation channel (1, 2, 3, 4)

Voltage-gated

Na_vα (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 7A) · Na_vβ (1, 2, 3, 4)

K⁺: Potassium channel

Voltage-gated

K_vα1-6 (1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8) · (2.1, 2.2) · (3.1, 3.2, 3.3, 3.4) · (4.1, 4.2, 4.3) · (5.1) · (6.1, 6.2, 6.3, 6.4)
K_vα7-12 (7.1, 7.2, 7.3, 7.4, 7.5) · (8.1, 8.2) · (9.1, 9.2, 9.3) · (10.1, 10.2) · (11.1/hERG, 11.2, 11.3) · (12.1, 12.2, 12.3)
K_vβ (1, 2, 3) · KCNIP (1, 2, 3, 4) · minK/ISK · minK/ISK-like · MiRP (1, 2, 3) · Shaker gene

Calcium-activated

BK channel (α1, β1, β2, β3, β4) · SK channel (SK1, SK2, SK3, SK4) · K_Ca (1.1, 2.1, 2.2, 2.3, 3.1, 4.1, 4.2, 5.1)

Inward-rectifier

K_ATP · K_ir (1.1, 2.1, 2.2, 2.3, 2.4, 2.6) · GIRK/K_ir (3.1, 3.2, 3.3, 3.4) · K_ir (4.1, 4.2, 5.1, 6.1, 6.2, 7.1)

Tandem pore domain

K2P (1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 15, 16, 17, 18)

Other

Cl^-: Chloride channel

ANO1 · Bestrophin (1, 2) · CFTR · CLCA (1, 2, 3, 4) · CLCN (1, 2, 3, 4, 5, 6, 7, KA, KB) · CLIC (1, 2, 3, 4, 5, 6, L1) · CLNS (1A, 1B)

H⁺: Voltage-gated

HVCN1

M⁺: TRP cation channel

TRPA (1) · TRPC (1, 2, 3, 4, 4AP, 5, 6, 7) · TRPM (1, 2, 3, 4, 5, 6, 7, 8) · TRPML (1, 2, 3) · TRPP (1, 2) · TRPV (1, 2, 3, 4, 5, 6)

Cyclic nucleotide-gated (FC)

α (1, 2, 3, 4) · β (1, 2, 3) · HCN (1, 2, 3, 4)

Porin

Aquaporin (1, 2, 3, 4, 5, 7, 8, 9) · Voltage-dependent anion channel (1, 2, 3) · General bacterial porin family

Gap junction

Connexin: A (GJA1, GJA3, GJA4, GJA5, GJA8, GJA9, GJA10) · B (GJB1, GJB2, GJB3, GJB4, GJB5, GJB6, GJB7) · C (GJC1, GJC2, GJC3) · D (GJD2, GJD3, GJD4))
Innexin

General

Ligand-gated ion channel · Voltage-gated ion channel · Stretch-activated ion channel

see also disorders
B memb: cead, trns (1A, 1C, 1F, 2A, 3A1, 3A2-3, 3D), othr

v · Membrane proteins, carrier proteins: membrane transport proteins solute carrier (TC 2A)

By group

SLC1–10

(1) high affinity glutamate and neutral amino-acid transporter (SLC1A1, 2, 3, 4, 5, 6, 7)

(2) facilitative GLUT transporter (SLC2A1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)

(3) heavy subunits of heterodimeric amino-acid transporters (SLC3A1, 2)

(4) bicarbonate transporter (SLC4A1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11)

(5) sodium glucose cotransporter (SLC5A1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)

(6) sodium- and chloride- dependent sodium:neurotransmitter symporters (SLC6A1, SLC6A2, SLC6A3, SLC6A4, SLC6A5, SLC6A6, SLC6A7, SLC6A8, SLC6A9, SLC6A10, SLC6A11, SLC6A12, SLC6A13, SLC6A14, SLC6A15, SLC6A16, SLC6A17, SLC6A18, SLC6A19, SLC6A20)

(7) cationic amino-acid transporter/glycoprotein-associated (SLC7A1, SLC7A2, SLC7A3, SLC7A4) glycoprotein-associated/light or catalytic subunits of heterodimeric amino-acid transporters (SLC7A5, SLC7A6, SLC7A7, SLC7A8, SLC7A9, SLC7A10, SLC7A11, SLC7A13, SLC7A14)

(8) Na+/Ca2+ exchanger (SLC8A1, SLC8A2, SLC8A3)

(9) Na+/H+ exchanger (SLC9A1, SLC9A2, SLC9A3, SLC9A4, SLC9A5, SLC9A6, SLC9A7, SLC9A8, SLC9A9, SLC9A10, SLC9A11)

(10) sodium bile salt cotransport (SLC10A1, SLC10A2, SLC10A3, SLC10A4, SLC10A5, SLC10A6, SLC10A7); 10A1 · 10A2 · 10A3 · 10A7

SLC11–20

(11) proton coupled metal ion transporter (SLC11A1, SLC11A2) 11A3

(12) electroneutral cation-Cl cotransporter (SLC12A1, SLC12A1, SLC12A2, SLC12A3, SLC12A4, SLC12A5, SLC12A6, SLC12A7, SLC12A8, SLC12A9)

(13) human Na+-sulfate/carboxylate cotransporter (SLC13A1, SLC13A2, SLC13A3, SLC13A4, SLC13A5)

(14) urea transporter (SLC14A1, SLC14A2)

(15) proton oligopeptide cotransporter (SLC15A1, SLC15A2, SLC15A3, SLC15A4)

(16) monocarboxylate transporter (SLC16A1, SLC16A2, SLC16A3, SLC16A4, SLC16A5, SLC16A6, SLC16A7, SLC16A8, SLC16A9, SLC16A10, SLC16A11, SLC16A12, SLC16A13, SLC16A14)

(17) vesicular glutamate transporter (SLC17A1, SLC17A2, SLC17A3, SLC17A4, SLC17A5, SLC17A6, SLC17A7, SLC17A8, SLC17A9)

(18) vesicular amine transporter (SLC18A1, SLC18A2, SLC18A3)

(19) folate/thiamine transporter (SLC19A1, SLC19A2, SLC19A3)

(20) type III Na+-phosphate cotransporter (SLC20A1, SLC20A2)

SLC21–30

(21) organic anion transporting (SLCO1A2, SLCO1B1, SLCO1B3, SLCO1B4, SLCO1C1) (SLCO2A1, SLCO2B1) (SLCO3A1) (SLCO4A1, SLCO4C1) (SLCO5A1) (SLCO6A1)

(22) organic cation/anion/zwitterion transporter (SLC22A1, SLC22A2, SLC22A3, SLC22A4, SLC22A5, SLC22A6, SLC22A7, SLC22A8, SLC22A9, SLC22A10, SLC22A11, SLC22A12, SLC22A13, SLC22A14, SLC22A15, SLC22A16, SLC22A17, SLC22A18, SLC22A19, SLC22A20)

(23) Na+-dependent ascorbic acid transporter (SLC23A1, SLC23A2, SLC23A3, SLC23A4)

(24) Na+/(Ca2+-K+) exchanger (SLC24A1, SLC24A2, SLC24A3, SLC24A4, SLC24A5, SLC24A6)

(25) mitochondrial carrier (SLC25A1, SLC25A2, SLC25A3, SLC25A4, SLC25A5, SLC25A6, SLC25A7, SLC25A8, SLC25A9, SLC25A10, SLC25A11, SLC25A12, SLC25A13, SLC25A14, SLC25A15, SLC25A16, SLC25A17, SLC25A18, SLC25A19, SLC25A20, SLC25A21, SLC25A22, SLC25A23, SLC25A24, SLC25A25, SLC25A26, SLC25A27, SLC25A28, SLC25A29, SLC25A30, SLC25A31, SLC25A32, SLC25A33, SLC25A34, SLC25A35, SLC25A36, SLC25A37, SLC25A38, SLC25A39, SLC25A40, SLC25A41, SLC25A42, SLC25A43, SLC25A44, SLC25A45, SLC25A46)

(26) multifunctional anion exchanger (SLC26A1, SLC26A2, SLC26A3, SLC26A4, SLC26A5, SLC26A6, SLC26A7, SLC26A8, SLC26A9, SLC26A10, SLC26A11)

(27) fatty acid transport proteins (SLC27A1, SLC27A2, SLC27A3, SLC27A4, SLC27A5, SLC27A6)

(28) Na+-coupled nucleoside transport (SLC28A1, SLC28A2, SLC28A3

(29) facilitative nucleoside transporter (SLC29A1, SLC29A2, SLC29A3, SLC29A4)

(30) zinc efflux (SLC30A1, SLC30A2, SLC30A3, SLC30A4, SLC30A5, SLC30A6, SLC30A7, SLC30A8, SLC30A9, SLC30A10)

SLC31–40

(31) copper transporter (SLC31A1)

(32) vesicular inhibitory amino-acid transporter (SLC32A1)

(33) Acetyl-CoA transporter (SLC33A1)

(34) type II Na+-phosphate cotransporter (SLC34A1, SLC34A2, SLC34A3)

(35) nucleoside-sugar transporter (SLC35A1, SLC35A2, SLC35A3, SLC35A4, SLC35A5) (SLC35B1, SLC35B2, SLC35B3, SLC35B4) (SLC35C1, SLC35C2) (SLC35D1, SLC35D2, SLC35D3) (SLC35E1, SLC35E2, SLC35E3, SLC35E4)

(36) proton-coupled amino-acid transporter (SLC36A1, SLC36A2, SLC36A3, SLC36A4)36A2 ·

(37) sugar-phosphate/phosphate exchanger (SLC37A1, SLC37A2, SLC37A3, SLC37A4)

(38) System A & N, sodium-coupled neutral amino-acid transporter (SLC38A1, SLC38A2, SLC38A3, SLC38A4, SLC38A5, SLC38A6, SLC38A10)

(39) metal ion transporter (SLC39A1, SLC39A2, SLC39A3, SLC39A4, SLC39A5, SLC39A6, SLC39A7, SLC39A8, SLC39A9, SLC39A10, SLC39A11, SLC39A12, SLC39A13, SLC39A14)

(40) basolateral iron transporter (SLC40A1)

SLC41–48

(41) MgtE-like magnesium transporter (SLC41A1, SLC41A2, SLC41A3)

(42) Ammonia transporter (RhAG, RhBG, RhCG)

(43) Na+-independent, system-L like amino-acid transporter (SLC43A1, SLC43A2, SLC43A3)

(44) Choline-like transporter (SLC44A1, SLC44A2, SLC44A3, SLC44A4, SLC44A5)

(45) Putative sugar transporter (SLC45A1, SLC45A2, SLC54A3, SLC45A4)

(46) Folate transporter (SLC46A1, SLC46A2)

(47) multidrug and toxin extrusion (SLC47A1, SLC47A2)

(48) Heme transporter

SLCO1–4

O1A2 · O1B1 · O1B3 · O2B1 · O431 · O4A1

Ion pumps

Symporter, Cotransporter

Na+/K+/2Cl- - Na/Pi3 - Na+/Cl- - Na/glucose - Na+/I- - Cl-/K+ (4, 5)

Antiporter (exchanger)

Na+/H+ - Na+/Ca2+ (Na+/(Ca2+-K+)) - Cl-/HCO3- (Band 3) - Cl-formate exchanger - Cl-oxalate exchanger

see also solute carrier disorders
B memb: cead, trns (1A, 1C, 1F, 2A, 3A1, 3A2-3, 3D), othr

v · neurotransmitter transporters (TC 2.A.1.2)

Vesicular
Vesicular monoamine (VMAT1, VMAT2) - Vesicular acetylcholine

Other
Glutamate - Monoamine (DAT, NET, SERT, PMAT)

M: PNS

anat(h/r/t/c/b/l/s/a)/phys(r)/devp/prot/nttr/nttm/ntrp

noco/auto/cong/tumr, sysi/epon, injr

proc, drug(N1B)

v · Membrane proteins, carrier proteins: membrane transport proteins ABC-transporter (TC 3A1)

A
A1 · A2 · A3 · A4 · A7 · A8 · A12 · A13

B
B1 · B2-3 (B2, B3) · B4 · B5 · B6 · B7 · B9 · B11

C
C1 · C2 · C3 · C4 · C5 · C6 · C7 · C8-9 (C8, C9) · C10 · C11 · C13

D
D1 · D2 · D3 · D4

E
E1

F
F1 · F2

G
G1 · G2 · G4 · Sterolin (G5, G8)

see also ABC transporter disorders
B memb: cead, trns (1A, 1C, 1F, 2A, 3A1, 3A2-3, 3D), othr

v · ion pumps, ATPases / ATP synthase (TC 3A2-3A3)

F- and V-type ATPase (3.A.2)

H+ (F-type)

H⁺ transporting, mitochondrial: ATP5A1, ATP5B, ATP5C1, ATP5C2, ATP5D, ATP5E, ATP5F1, ATP5G1, ATP5G2, ATP5G3, ATP5H, ATP5I, ATP5J, ATP5J2, ATP5L, ATP5L2, ATP5O, ATP5S

H+ (V-type)

H⁺ transporting, lysosomal: ATP6AP1, ATP6AP2, ATP6V1A, ATP6V1B1, ATP6V1B2, ATP6V1C1, ATP6V1C2, ATP6V1D, ATP6V1E1, ATP6V1E2, ATP6V1F, ATP6V1G1, ATP6V1G2, ATP6V1G3, ATP6V1H, ATP6V0A1, ATP6V0A2, ATP6V0A4, ATP6V0B, ATP6V0C, ATP6V0D1, ATP6V0D2, ATP6V0E
TCIRG1

P-type ATPase (3.A.3)

3.A.3.1.1: Na⁺/K⁺ transporting: ATP1A1, ATP1A2, ATP1A3, ATP1A4, ATP1B1, ATP1B2, ATP1B3, ATP1B4, ATP1G1

3.A.3.1.2: H+/K+, H⁺/K⁺ exchanging: ATP4A, ATP4B

3.A.3.1.4: H⁺/K⁺ transporting, nongastric: ATP12A

3.A.3.2: Ca+ (SERCA, PMCA, SPCA) / Ca⁺⁺ transporting: ATP2A1, ATP2A2, ATP2A3, ATP2B1, ATP2B2, ATP2B3, ATP2B4, ATP2C1

3.A.3.5: Cu⁺⁺ transporting: ATP7A, ATP7B

3.A.3.8.8: flippase: ATP8A2

Other/ungrouped:

Na+/K+ - H+

Mg⁺⁺ transporting: ATP3

Class I, type 8: ATP8A1, ATP8B1, ATP8B2, ATP8B3, ATP8B4

Class II, type 9: ATP9A, ATP9B

Class V, type 10: ATP10A, ATP10B, ATP10D

Class VI, type 11: ATP11A, ATP11B, ATP11C

type 13: ATP13A1, ATP13A2, ATP13A3, ATP13A4, ATP13A5

see also ATPase disorders
B memb: cead, trns (1A, 1C, 1F, 2A, 3A1, 3A2-3, 3D), othr

Categories:
Transport proteins
Transmembrane transporters

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Academic Dictionaries and Encyclopedias

Membrane transport protein

Contents

Types

1: Channels/Pores

2: Electrochemical Potential-driven transporters

3: Primary Active Transporters

4: Co-transporters

5: Incompletely Characterized Transport Systems

Ungrouped

See also

References

External links

Look at other dictionaries:

Share the article and excerpts

Academic Dictionaries and Encyclopedias

Wikipedia

Membrane transport protein

Contents

Types

1: Channels/Pores

2: Electrochemical Potential-driven transporters

3: Primary Active Transporters

4: Co-transporters

5: Incompletely Characterized Transport Systems

Ungrouped

See also

References

External links

Look at other dictionaries:

Share the article and excerpts

Direct link