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TIM-1/KIM-1/HAVCR Protein, Mouse (HEK293, His)

Cat. No.: HY-P73603
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TIM-1/KIM-1/HAVCR Protein, Mouse (HEK293, His) belongs to a family of immunoglobulin-like domain-containing transmembrane proteins is widely accepted to be the receptor for hepatitis A virus (HAV), an unusual, hepatotropic human picornavirus. TIM1 (HAVCR1) facilitates attachment of a variety of enveloped viruses, including filoviruses, alphaviruses, and flaviviruses, that display highly conserved phosphatidylserine (PtdSer) on their surface. TIM1 undergoes tyrosine phosphorylation of its C-terminal cytoplasmic tail. TIM-1 can function as a co-stimulatory molecule for T cell activation. TIM-1/KIM-1/HAVCR Protein, Mouse (HEK293, His) is the recombinant mouse-derived TIM-1/KIM-1/HAVCR protein, expressed by HEK293 , with N-His labeled tag. The total length of TIM-1/KIM-1/HAVCR Protein, Mouse (HEK293, His) is 191 a.a., with molecular weight of ~23 kDa.

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Description

TIM-1/KIM-1/HAVCR Protein, Mouse (HEK293, His) belongs to a family of immunoglobulin-like domain-containing transmembrane proteins is widely accepted to be the receptor for hepatitis A virus (HAV), an unusual, hepatotropic human picornavirus. TIM1 (HAVCR1) facilitates attachment of a variety of enveloped viruses, including filoviruses, alphaviruses, and flaviviruses, that display highly conserved phosphatidylserine (PtdSer) on their surface. TIM1 undergoes tyrosine phosphorylation of its C-terminal cytoplasmic tail. TIM-1 can function as a co-stimulatory molecule for T cell activation[1][2][3]. TIM-1/KIM-1/HAVCR Protein, Mouse (HEK293, His) is the recombinant mouse-derived TIM-1/KIM-1/HAVCR protein, expressed by HEK293 , with N-His labeled tag. The total length of TIM-1/KIM-1/HAVCR Protein, Mouse (HEK293, His) is 191 a.a., with molecular weight of ~23 kDa.

Background

TIM1 belongs to a family of immunoglobulin-like domain-containing transmembrane proteins that include three members in humans (human TIM1, TIM3, and TIM4) and eight members in mice (murine TIM1 to TIM8), of which the human TIM1, TIM3, and TIM4 are direct orthologs of murine TIM1, TIM3, and TIM4, respectively. These proteins are expressed on the cell surface, with their N-terminal immunoglobulin-like (IgV) and mucin domains present in the extracellular milieu and their C-terminal sequences in the cytoplasm. An important feature of all TIM proteins is a highly conserved phosphatidylserine (PtdSer)-binding pocket in the IgV domain that recognizes PtdSer on the outer membrane leaflet of apoptotic cells, facilitating their uptake by phagocytic cells[1].
TIM-1 is a type I membrane protein with an IgV domain followed by a heavily glycoslyated mucin domain, a transmembrane domain and an intracellular cytoplasmic tail with one tyrosine phosphorylation motif. TIM-1 can function as a co-stimulatory molecule for T cell activation. Cross-linking Tim-1 with antibodies, in conjunction with TCR and CD28 stimulation, enhances the proliferation of CD4+ T cells. over-expression of Tim-1 leads to NFAT/AP-1 transcriptional activation, dependent on Y276 in the cytoplasmic tail[2].

Species

Mouse

Source

HEK293

Tag

N-His

Accession

AAL35774 (Y22-T212)

Gene ID

171283  [NCBI]

Molecular Construction
N-term
His
TIM-1 (Y22-T212)
Accession # AAL35774
C-term
Synonyms
Hepatitis A virus cellular receptor 1; HAVcr-1; KIM-1; TIM-1; CD365; HAVCR1
Molecular Weight

Approximately 23 kDa

Purity

Greater than 95% as determined by reducing SDS-PAGE.

Endotoxin Level

<1 EU/μg, determined by LAL method.

Documentation

TIM-1/KIM-1/HAVCR Protein, Mouse (HEK293, His) Related Classifications

Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Specific Activity (Unit/mg) = 106 ÷ Biological Activity (ED50)
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TIM-1/KIM-1/HAVCR Protein, Mouse (HEK293, His)
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HY-P73603
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