Product Name	STEP
Chinese Name	神经特异蛋白酪氨酸磷酸酶N5抗体
Alias	PTPN5; Neural specific protein tyrosine phosphatase; Neural-specific protein-tyrosine phosphatase; Protein tyrosine phosphatase non receptor type 5 (striatum enriched); Protein tyrosine phosphatase non receptor type 5; Protein tyrosine phosphatase striatum enriched; PTN5; PTN5_HUMAN; PTP STEP; PTPN 5; Ptpn5; PTPSTEP; Striatum-enriched protein-tyrosine phosphatase; Tyrosine protein phosphatase non receptor type 5; Tyrosine-protein phosphatase non-receptor type 5; FLJ14427.
Research Area	Cell biology  Neurobiology  Signal transduction  Kinases and Phosphatases
Immunogen Species	Rabbit
Clonality	Polyclonal
React Species	Human, Rat,  (predicted: Mouse, Rabbit, )
Applications	WB=1:500-2000 ELISA=1:5000-10000 IHC-P=1:100-500 IHC-F=1:100-500 ICC=1:100-500 IF=1:100-500 （Paraffin sections need antigen repair） not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user.
Theoretical molecular weight	63kDa
Cellular localization	cytoplasmic The cell membrane
Form	Liquid
Concentration	1mg/ml
immunogen	KLH conjugated synthetic peptide derived from human PTPN5: 201-300/565
Lsotype	IgG
Purification	affinity purified by Protein A
Buffer Solution	0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
Storage	Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
Attention	This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
PubMed	PubMed
Product Detail	The brain-specific STEP (striatal enriched phosphatase) family of protein tyrosine phosphatases (PTPs) comprises both transmembrane and cytosolic protein members which are the products of alternative splicing. STEP family members are expressed in the dopaminoceptive neurons of the CNS, with highest expression in the basal ganglia and related structures. The STEP protein regulates the N-methyl-d-aspartate receptor (NMDAR) complex; STEP depresses both NMDAR single-channel activity and synaptic currents. The membrane-associated STEP61 isoform localizes in the postsynaptic densities (PSDs) of striatal neurons. STEP61 contains a single tyrosine phosphatase domain, two proline-rich domains and two transmembrane domains. The STEP61 protein associates with the Src family kinase member Fyn when Fyn is phosphorylated at Tyr-420 and not Tyr-431. Upon association, STEP61 dephosphorylates Tyr-420 residue and may thus regulate Fyn activity in PSDs. Isolated from mouse brain, the STEP20 isoform lacks the conserved tyrosine phosphatase domain. The human STEP gene maps to chromosome 11p15.2-p15.1. Function: May regulates the activity of several effector molecules involved in synaptic plasticity and neuronal cell survival, including MAPKs, Src family kinases and NMDA receptors. Subcellular Location: Cellular localizationEndoplasmic reticulum membrane. Post-translational modifications: Phosphorylation at Ser-245 by PKA deactivates PTPN5. Phosphorylation at Thr-255 and Ser-268 by MAPKs stabilizes the phosphatase, dephosphorylation of these sites results in ubiquitin-mediated degradation of the active phosphatase. Similarity: Belongs to the protein-tyrosine phosphatase family. Non-receptor class subfamily. Contains 1 tyrosine-protein phosphatase domain. SWISS: P54829 Gene ID: 84867 Database links: Entrez Gene: 615850 Cow Entrez Gene: 84867 Human Entrez Gene: 19259 Mouse Entrez Gene: 29644 Rat Omim: 176879 Human SwissProt: P54829 Human SwissProt: P54830 Mouse SwissProt: P35234 Rat Unigene: 79092 Human Unigene: 4654 Mouse Unigene: 10618 Rat
Product Picture	Sample: HepG2(Human) Cell Lysate at 30 ug U2OS(Human) Cell Lysate at 30 ug Primary: Anti- STEP (SL11328R) at 1/1000 dilution Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution Predicted band size: 63 kD Observed band size: 63 kD Paraformaldehyde-fixed, paraffin embedded (Rat brain); Antigen retrieval by boiling in sodium citrate buffer (pH6.0) for 15min; Block endogenous peroxidase by 3% hydrogen peroxide for 20 minutes; Blocking buffer (normal goat serum) at 37°C for 30min; Antibody incubation with (STEP) Polyclonal Antibody, Unconjugated (SL11328R) at 1:400 overnight at 4°C, followed by operating according to SP Kit(Rabbit) (sp-0023) instructions and DAB staining.

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