产品: 磷酸化 Syntaxin 1A (Ser14) 抗体
货号: AF3463
描述: Rabbit polyclonal antibody to Phospho-Syntaxin 1A (Ser14)
应用: WB IF/ICC
反应: Human, Mouse, Rat
预测: Bovine, Sheep
分子量: 35kDa; 33kD(Calculated).
蛋白号: Q16623
RRID: AB_2834901

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产品描述

来源:
Rabbit
应用:
WB 1:500-1:2000, IF/ICC 1:100-1:500
*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:
Bovine(100%), Sheep(100%)
克隆:
Polyclonal
特异性:
Phospho-Syntaxin 1A (Ser14) Antibody detects endogenous levels of Syntaxin 1A only when phosphorylated at Serine 14.
RRID:
AB_2834901
引用格式: Affinity Biosciences Cat# AF3463, RRID:AB_2834901.
偶联:
Unconjugated.
纯化:
The antibody is from purified rabbit serum by affinity purification via sequential chromatography on phospho-peptide and non-phospho-peptide affinity columns.
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

HPC 1; Neuron specific antigen HPC1; Neuron-specific antigen HPC-1; OTTHUMP00000174615; OTTHUMP00000174616; OTTHUMP00000174617; OTTHUMP00000174618; P35-1; STX1; STX1A; STX1A_HUMAN; SYN1A; Syntaxin 1A (brain); Syntaxin 1A brain; Syntaxin-1A;

抗原和靶标

免疫原:
Uniprot:
基因/基因ID:
表达:
Q16623 STX1A_HUMAN:

Isoform 1 is highly expressed in embryonic spinal chord and ganglia and in adult cerebellum and cerebral cortex. Isoform 2 is expressed in heart, liver, fat, skeletal muscle, kidney and brain.

描述:
STX1A is a type IV membrane protein involved in docking of synaptic vesicles at presynaptic active zones. May play a critical role in neurotransmitter exocytosis. Part of the SNARE core complex containing SNAP25, VAMP2 and STX1A. Three splice variant isoforms have been described.
序列:
MKDRTQELRTAKDSDDDDDVAVTVDRDRFMDEFFEQVEEIRGFIDKIAENVEEVKRKHSAILASPNPDEKTKEELEELMSDIKKTANKVRSKLKSIEQSIEQEEGLNRSSADLRIRKTQHSTLSRKFVEVMSEYNATQSDYRERCKGRIQRQLEITGRTTTSEELEDMLESGNPAIFASGIIMDSSISKQALSEIETRHSEIIKLENSIRELHDMFMDMAMLVESQGEMIDRIEYNVEHAVDYVERAVSDTKKAVKYQSKARRKKIMIIICCVILGIVIASTVGGIFA

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

翻译修饰 - Q16623 作为底物

Site PTM Type Enzyme
S14 Phosphorylation P68400 (CSNK2A1)
T23 Phosphorylation
S64 Phosphorylation
S99 Phosphorylation
C145 S-Nitrosylation
S188 Phosphorylation P53355 (DAPK1)
S249 Phosphorylation
S281 Phosphorylation
T282 Phosphorylation

研究背景

功能:

Plays an essential role in hormone and neurotransmitter calcium-dependent exocytosis and endocytosis. Part of the SNARE (Soluble NSF Attachment Receptor) complex composed of SNAP25, STX1A and VAMP2 which mediates the fusion of synaptic vesicles with the presynaptic plasma membrane. STX1A and SNAP25 are localized on the plasma membrane while VAMP2 resides in synaptic vesicles. The pairing of the three SNAREs from the N-terminal SNARE motifs to the C-terminal anchors leads to the formation of the SNARE complex, which brings membranes into close proximity and results in final fusion. Participates in the calcium-dependent regulation of acrosomal exocytosis in sperm. Plays also an important role in the exocytosis of hormones such as insulin or glucagon-like peptide 1 (GLP-1) (By similarity).

翻译修饰:

Phosphorylated by CK2 (By similarity). Phosphorylation at Ser-188 by DAPK1 significantly decreases its interaction with STXBP1.

Sumoylated, sumoylation is required for regulation of synaptic vesicle endocytosis.

细胞定位:

Cytoplasmic vesicle>Secretory vesicle>Synaptic vesicle membrane>Single-pass type IV membrane protein. Cell junction>Synapse>Synaptosome. Cell membrane.
Note: Colocalizes with KCNB1 at the cell membrane.

Secreted.

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:

Isoform 1 is highly expressed in embryonic spinal chord and ganglia and in adult cerebellum and cerebral cortex. Isoform 2 is expressed in heart, liver, fat, skeletal muscle, kidney and brain.

亚基结构:

Part of the SNARE core complex containing SNAP25, VAMP2 and STX1A; this complex constitutes the basic catalytic machinery of the complex neurotransmitter release apparatus. The SNARE complex interacts with CPLX1 (By similarity). Interacts with STXBP1. Interacts (via C-terminus) with KCNB1 (via C-terminus); the interaction increases in a calcium-dependent manner and induces a pore-independent enhancement of exocytosis in neuroendocrine cells, chromaffin cells, pancreatic beta cells and from the soma of dorsal root ganglia (DRG) neurons (By similarity). Interacts with SYTL4 (By similarity). Interacts with STXBP6 (By similarity). Interacts with PLCL1 (via C2 domain) (By similarity). Interacts with OTOF (By similarity). Interacts with LGI3 (By similarity). Interacts with SLC6A4 (By similarity). Interacts with SYT6 and SYT8; the interaction is Ca(2+)-dependent (By similarity). Interacts with VAMP8. Interacts with SNAP23. Interacts with VAPA and SYBU. Interacts with PRRT2 (By similarity). Interacts with SEPT8 (By similarity). Interacts with STXBP5L (By similarity). Interacts with synaptotagmin-1/SYT1 (By similarity).

蛋白家族:

Belongs to the syntaxin family.

研究领域

· Genetic Information Processing > Folding, sorting and degradation > SNARE interactions in vesicular transport.

· Human Diseases > Substance dependence > Amphetamine addiction.

· Organismal Systems > Nervous system > Synaptic vesicle cycle.

· Organismal Systems > Endocrine system > Insulin secretion.   (View pathway)

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