产品: LC3A 抗体
货号: DF7421
描述: Rabbit polyclonal antibody to LC3A
应用: WB IHC IF/ICC
反应: Human, Mouse, Rat
预测: Pig, Zebrafish, Bovine, Horse, Sheep, Dog, Chicken, Xenopus
分子量: 14kDa; 14kD(Calculated).
蛋白号: Q9H492
RRID: AB_2839359

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产品描述

来源:
Rabbit
应用:
WB 1:200-1:500, IHC 1:50-1:100, IF/ICC 1:50-1:200
*The optimal dilutions should be determined by the end user.
*Tips:

WB: 适用于变性蛋白样本的免疫印迹检测. IHC: 适用于组织样本的石蜡(IHC-p)或冰冻(IHC-f)切片样本的免疫组化/荧光检测. IF/ICC: 适用于细胞样本的荧光检测. ELISA(peptide): 适用于抗原肽的ELISA检测.

反应:
Human,Mouse,Rat
预测:
Pig(100%), Zebrafish(100%), Bovine(100%), Horse(100%), Sheep(100%), Dog(100%), Chicken(100%), Xenopus(100%)
克隆:
Polyclonal
特异性:
MAP1LC3A Antibody detects endogenous levels of total MAP1LC3A.
RRID:
AB_2839359
引用格式: Affinity Biosciences Cat# DF7421, RRID:AB_2839359.
偶联:
Unconjugated.
纯化:
The antiserum was purified by peptide affinity chromatography using SulfoLink™ Coupling Resin (Thermo Fisher Scientific).
保存:
Rabbit IgG in phosphate buffered saline , pH 7.4, 150mM NaCl, 0.02% sodium azide and 50% glycerol. Store at -20 °C. Stable for 12 months from date of receipt.
别名:

展开/折叠

ATG8E; Autophagy-related protein LC3 A; Autophagy-related ubiquitin-like modifier LC3 A; LC3; LC3A; MAP1 light chain 3 like protein 1; MAP1 light chain 3-like protein 1; MAP1A/1B light chain 3 A; MAP1A/MAP1B LC3 A; MAP1A/MAP1B light chain 3 A; MAP1ALC3; MAP1BLC3; Map1lc3a; Microtubule associated proteins 1A/1B light chain 3; Microtubule-associated protein 1 light chain 3 alpha; Microtubule-associated proteins 1A and 1B, light chain 3; Microtubule-associated proteins 1A/1B light chain 3A; MLP3A_HUMAN;

抗原和靶标

免疫原:
Uniprot:
基因/基因ID:
表达:
Q9H492 MLP3A_HUMAN:

Most abundant in heart, brain, liver, skeletal muscle and testis but absent in thymus and peripheral blood leukocytes.

描述:
Autophagy is a catabolic process for the autophagosomic-lysosomal degradation of bulk cytoplasmic contents (1,2). Autophagy is generally activated by conditions of nutrient deprivation but has also been associated with a number of physiological processes including development, differentiation, neurodegenerative diseases, infection and cancer (3). Autophagy marker Light Chain 3 (LC3) was originally identified as a subunit of microtubule-associated proteins 1A and 1B (termed MAP1LC3) (4), and subsequently found to contain similarity to the yeast protein Apg8/Aut7/Cvt5 critical for autophagy (5). Three human LC3 isoforms (LC3A, LC3B, and LC3C) undergo post-translational modifications during autophagy (6-9). Cleavage of LC3 at the carboxy terminus immediately following synthesis yields the cytosolic LC3-I form. During autophagy, LC3-I is converted to LC3-II through lipidation by a ubiquitin-like system involving Atg7 and Atg3 that allows for LC3 to become associated with autophagic vesicles (6-10). The presence of LC3 in autophagosomes and the conversion of LC3 to the lower migrating form LC3-II have been used as indicators of autophagy (11).
序列:
MPSDRPFKQRRSFADRCKEVQQIRDQHPSKIPVIIERYKGEKQLPVLDKTKFLVPDHVNMSELVKIIRRRLQLNPTQAFFLLVNQHSMVSVSTPIADIYEQEKDEDGFLYMVYASQETFGF

种属预测

种属预测:

score>80的预测可信度较高,可尝试用于WB检测。*预测模型主要基于免疫原序列比对,结果仅作参考,不作为质保凭据。

Species
Results
Score
Pig
100
Horse
100
Bovine
100
Sheep
100
Dog
100
Xenopus
100
Zebrafish
100
Chicken
100
Rabbit
0
Model Confidence:
High(score>80) Medium(80>score>50) Low(score<50) No confidence

翻译修饰 - Q9H492 作为底物

Site PTM Type Enzyme
S12 Phosphorylation P17612 (PRKACA)
K42 Ubiquitination
K49 Acetylation
K49 Ubiquitination
T50 Phosphorylation Q13188 (STK3) , Q13043 (STK4)
K51 Acetylation
S92 Phosphorylation
T93 Phosphorylation

研究背景

功能:

Ubiquitin-like modifier involved in formation of autophagosomal vacuoles (autophagosomes). Whereas LC3s are involved in elongation of the phagophore membrane, the GABARAP/GATE-16 subfamily is essential for a later stage in autophagosome maturation. Through its interaction with the reticulophagy receptor TEX264, paticipates in the remodeling of subdomains of the endoplasmic reticulum into autophagosomes upon nutrient stress, which then fuse with lysosomes for endoplasmic reticulum turnover.

翻译修饰:

The precursor molecule is cleaved by ATG4B to form the cytosolic form, LC3-I. This is activated by APG7L/ATG7, transferred to ATG3 and conjugated to phospholipid to form the membrane-bound form, LC3-II.

The Legionella effector RavZ is a deconjugating enzyme that produces an ATG8 product that would be resistant to reconjugation by the host machinery due to the cleavage of the reactive C-terminal glycine.

Phosphorylation at Ser-12 by PKA inhibits conjugation to phosphatidylethanolamine (PE). Interaction with MAPK15 reduces the inhibitory phosphorylation and increases autophagy activity.

细胞定位:

Cytoplasm>Cytoskeleton. Endomembrane system>Lipid-anchor. Cytoplasmic vesicle>Autophagosome membrane>Lipid-anchor. Cytoplasmic vesicle>Autophagosome.
Note: LC3-II binds to the autophagic membranes.

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionSubcellular location
组织特异性:

Most abundant in heart, brain, liver, skeletal muscle and testis but absent in thymus and peripheral blood leukocytes.

亚基结构:

3 different light chains, LC1, LC2 and LC3, can associate with MAP1A and MAP1B proteins (By similarity). Interacts with TP53INP1 and TP53INP2. Directly interacts with SQSTM1; this interaction leads to MAP1LC3A recruitment to inclusion bodies containing polyubiquitinated protein aggregates and to inclusion body degradation by autophagy. Interacts with ATG13. Interacts with ULK1. Interacts with TBC1D5. Found in a complex with UBQLN1 and UBQLN2. Interacts with UBQLN4 (via STI1 1 and 2 domains). Interacts with UBQLN1 in the presence of UBQLN4. Interacts with TRIM5. Interacts with MEFV. Interacts with RETREG1, RETREG2 and RETREG3. Interacts with PICALM. Interacts with the reticulophagy receptor TEX264.

蛋白家族:

Belongs to the ATG8 family.

研究领域

· Cellular Processes > Cell growth and death > Ferroptosis.   (View pathway)

文献引用

1). Aged kidneys are refractory to autophagy activation in a rat model of renal ischemia-reperfusion injury. Clinical Interventions in Aging, 2022 (PubMed: 30880933) [IF=3.6]

Application: WB    Species: rat    Sample: Renal

Figure 3| Expressions of autophagy-related proteins in young and aged rats, including LC3-II/LC3-I, Beclin-1 and P62 (A–C).

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