Type |
Details |
Score |
Protein Domain |
Type: |
Domain |
Description: |
ITK (also known as Tsk or Emt) is a member of the Tec family, which is a group of nonreceptor tyrosine kinases containing Src homology protein interaction domains (SH3, SH2) N-terminal to the catalytic tyr kinase domain. It also contains an N-terminal pleckstrin homology (PH) domain, which binds the products of PI3K and allows membrane recruitment and activation [], and the Tec homology (TH) domain, which contains proline-rich and zinc-binding regions. ITK is expressed in T-cells and mast cells, and is important in their development and differentiation [, ]. Of the three Tec kinases expressed in T-cells, ITK plays the predominant role in T-cell receptor (TCR) signaling. It is activated by phosphorylation upon TCR crosslinking and is involved in the pathway resulting in phospholipase C-gamma1 activation and actin polymerization []. It also plays a role in the downstream signaling of the T-cell costimulatory receptor CD28 [], the T-cell surface receptor CD2 [], and the chemokine receptor CXCR4 []. In addition, ITK is crucial for the development of T-helper(Th)2 effector responses []. This entry represents the SH3 domain of ITK. |
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Allele |
Name: |
IL2 inducible T cell kinase; targeted mutation 1, Dan R Littman |
Allele Type: |
Targeted |
Attribute String: |
Null/knockout |
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•
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Strain |
Attribute String: |
targeted mutation, congenic |
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•
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Strain |
Attribute String: |
congenic, mutant strain, targeted mutation |
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Genotype |
Symbol: |
Itk/Itk |
Background: |
involves: 129S4/SvJae |
Zygosity: |
hm |
Has Mutant Allele: |
true |
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•
•
•
•
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Genotype |
Symbol: |
Itk/Itk |
Background: |
involves: 129S4/SvJae * C57BL/6J |
Zygosity: |
hm |
Has Mutant Allele: |
true |
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•
•
•
•
•
|
Genotype |
Symbol: |
Itk/Itk |
Background: |
involves: 129S4/SvJae * C57BL/6 |
Zygosity: |
hm |
Has Mutant Allele: |
true |
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•
•
•
•
•
|
Genotype |
Symbol: |
Itk/Itk |
Background: |
B6.129S4-Itk |
Zygosity: |
hm |
Has Mutant Allele: |
true |
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•
•
•
•
•
|
Publication |
First Author: |
Brown K |
Year: |
2004 |
Journal: |
J Biol Chem |
Title: |
Crystal structures of interleukin-2 tyrosine kinase and their implications for the design of selective inhibitors. |
Volume: |
279 |
Issue: |
18 |
Pages: |
18727-32 |
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•
•
•
•
•
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Publication |
First Author: |
Tsoukas CD |
Year: |
2006 |
Journal: |
Adv Exp Med Biol |
Title: |
Inducible T cell tyrosine kinase (ITK): structural requirements and actin polymerization. |
Volume: |
584 |
|
Pages: |
29-41 |
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•
•
•
•
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Publication |
First Author: |
Kutach AK |
Year: |
2010 |
Journal: |
Chem Biol Drug Des |
Title: |
Crystal structures of IL-2-inducible T cell kinase complexed with inhibitors: insights into rational drug design and activity regulation. |
Volume: |
76 |
Issue: |
2 |
Pages: |
154-63 |
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•
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Protein Domain |
Type: |
Domain |
Description: |
PTKs catalyse the transfer of the gamma-phosphoryl group from ATP to tyrosine (tyr) residues in protein substrates. Itk, also known as Tsk or Emt, is a member of the Tec-like subfamily of proteins, which are cytoplasmic (or nonreceptor) PTKs with similarity to Src kinases in that they contain Src homology protein interaction domains (SH3, SH2) N-terminal to the catalytic tyr kinase domain. Unlike Src kinases, most Tec subfamily members except Rlk also contain an N-terminal pleckstrin homology (PH) domain, which binds the products of PI3K and allows membrane recruitment and activation. In addition, Itk contains the Tec homology (TH) domain containing one proline-rich region and a zinc-binding region [, ].Itk is expressed in T-cells and mast cells, and is important in their development and differentiation []. Of the three Tec kinases expressed in T-cells, Itk plays the predominant role in T-cell receptor (TCR) signalling. It is activated by phosphorylation upon TCR crosslinking and is involved in the pathway resulting in phospholipase C-gamma1 activation and actin polymerization []. It also plays a role in the downstream signalling of the T-cell costimulatory receptor CD28, the T-cell surface receptor CD2, and the chemokine receptor CXCR4 [, ]. In addition, Itk is crucial for the development of T-helper(Th)2 effector responses []. |
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Genotype |
Symbol: |
Il15/Il15 Itk/Itk |
Background: |
involves: 129S4/SvJae * C57BL/6 |
Zygosity: |
cx |
Has Mutant Allele: |
true |
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•
•
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•
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Genotype |
Symbol: |
Gt(ROSA)26Sor/Gt(ROSA)26Sor<+> Tg(Lck-cre)I57Jxm/? |
Background: |
involves: 129S6/SvEvTac * ICR |
Zygosity: |
cn |
Has Mutant Allele: |
true |
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•
•
•
•
•
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Strain |
Attribute String: |
targeted mutation, congenic |
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Strain |
Attribute String: |
congenic, targeted mutation |
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•
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Genotype |
Symbol: |
Itk/Itk Txk/Txk |
Background: |
involves: 129S4/SvJae * 129S6/SvEvTac |
Zygosity: |
cx |
Has Mutant Allele: |
true |
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•
•
•
•
•
|
Genotype |
Symbol: |
Itk/Itk Vav1/Vav1 |
Background: |
B6.129-Itk Vav1 |
Zygosity: |
cx |
Has Mutant Allele: |
true |
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•
•
•
•
•
|
Genotype |
Symbol: |
Cblb/Cblb Itk/Itk |
Background: |
B6.129-Itk Cblb |
Zygosity: |
cx |
Has Mutant Allele: |
true |
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•
•
•
•
•
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Genotype |
Symbol: |
Gt(ROSA)26Sor/Gt(ROSA)26Sor<+> Tg(Cd4-cre)1Cwi/? |
Background: |
involves: 129S6/SvEvTac * C57BL/6 * DBA/2 |
Zygosity: |
cn |
Has Mutant Allele: |
true |
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•
•
•
•
•
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Publication |
First Author: |
Bach MP |
Year: |
2014 |
Journal: |
J Immunol |
Title: |
Premature terminal differentiation protects from deregulated lymphocyte activation by ITK-Syk. |
Volume: |
192 |
Issue: |
3 |
Pages: |
1024-33 |
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•
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Strain |
Attribute String: |
mutant stock, transgenic |
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•
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Genotype |
Symbol: |
Itk/Itk Tg(TcraH-Y,TcrbH-Y)71Vbo/? |
Background: |
involves: 129S4/SvJae * C57BL/6 * DBA/2J |
Zygosity: |
cx |
Has Mutant Allele: |
true |
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•
•
•
•
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Genotype |
Symbol: |
Itk/Itk Tg(TcrAND)53Hed/? |
Background: |
involves: 129S4/SvJae * C57BL/6 * SJL |
Zygosity: |
cx |
Has Mutant Allele: |
true |
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•
•
•
•
•
|
Genotype |
Symbol: |
Il4/Il4 Itk/Itk |
Background: |
involves: 129S4/SvJae * BALB/c * C57BL/6J |
Zygosity: |
cx |
Has Mutant Allele: |
true |
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•
•
•
•
•
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Genotype |
Symbol: |
Itk/Itk Tg(DO11.10)10Dlo/? |
Background: |
involves: 129S4/SvJae * BALB/c * C3H * C57BL/6J |
Zygosity: |
cx |
Has Mutant Allele: |
true |
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•
•
•
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•
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Publication |
First Author: |
Rajagopal K |
Year: |
1999 |
Journal: |
J Exp Med |
Title: |
RIBP, a novel Rlk/Txk- and itk-binding adaptor protein that regulates T cell activation. |
Volume: |
190 |
Issue: |
11 |
Pages: |
1657-68 |
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•
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•
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Publication |
First Author: |
Barbee SD |
Year: |
2006 |
Journal: |
Int Immunol |
Title: |
Phosphatidylinositol 3-kinase improves the efficiency of positive selection. |
Volume: |
18 |
Issue: |
6 |
Pages: |
921-30 |
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•
•
•
•
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Publication |
First Author: |
Colgan J |
Year: |
2004 |
Journal: |
Immunity |
Title: |
Cyclophilin A regulates TCR signal strength in CD4+ T cells via a proline-directed conformational switch in Itk. |
Volume: |
21 |
Issue: |
2 |
Pages: |
189-201 |
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•
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•
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Publication |
First Author: |
Weinreich MA |
Year: |
2010 |
Journal: |
Nat Immunol |
Title: |
T cells expressing the transcription factor PLZF regulate the development of memory-like CD8+ T cells. |
Volume: |
11 |
Issue: |
8 |
Pages: |
709-16 |
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•
•
•
•
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Publication |
First Author: |
Huang W |
Year: |
2013 |
Journal: |
J Immunol |
Title: |
Cutting edge: innate memory CD8+ T cells are distinct from homeostatic expanded CD8+ T cells and rapidly respond to primary antigenic stimuli. |
Volume: |
190 |
Issue: |
6 |
Pages: |
2490-4 |
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•
•
•
•
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Publication |
First Author: |
Reynolds LF |
Year: |
2002 |
Journal: |
J Exp Med |
Title: |
Vav1 transduces T cell receptor signals to the activation of phospholipase C-gamma1 via phosphoinositide 3-kinase-dependent and -independent pathways. |
Volume: |
195 |
Issue: |
9 |
Pages: |
1103-14 |
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•
•
•
•
•
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Publication |
First Author: |
Ellmeier W |
Year: |
2011 |
Journal: |
FEBS J |
Title: |
Tec family kinases: regulation of FcεRI-mediated mast-cell activation. |
Volume: |
278 |
Issue: |
12 |
Pages: |
1990-2000 |
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•
•
•
•
•
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Publication |
First Author: |
Felices M |
Year: |
2007 |
Journal: |
Adv Immunol |
Title: |
Tec kinases in T cell and mast cell signaling. |
Volume: |
93 |
|
Pages: |
145-84 |
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•
•
•
•
•
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Publication |
First Author: |
Sommers CL |
Year: |
1995 |
Journal: |
Oncogene |
Title: |
Murine txk: a protein tyrosine kinase gene regulated by T cell activation. |
Volume: |
11 |
Issue: |
2 |
Pages: |
245-51 |
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•
•
•
•
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Publication |
First Author: |
Fukuyama T |
Year: |
2009 |
Journal: |
Mol Cell Biol |
Title: |
Histone acetyltransferase CBP is vital to demarcate conventional and innate CD8+ T-cell development. |
Volume: |
29 |
Issue: |
14 |
Pages: |
3894-904 |
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•
•
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•
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Publication |
First Author: |
Sela M |
Year: |
2011 |
Journal: |
EMBO J |
Title: |
Sequential phosphorylation of SLP-76 at tyrosine 173 is required for activation of T and mast cells. |
Volume: |
30 |
Issue: |
15 |
Pages: |
3160-72 |
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•
•
•
•
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Publication |
First Author: |
Castro MA |
Year: |
2003 |
Journal: |
J Leukoc Biol |
Title: |
OX52 is the rat homologue of CD6: evidence for an effector function in the regulation of CD5 phosphorylation. |
Volume: |
73 |
Issue: |
1 |
Pages: |
183-90 |
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•
•
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•
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Publication |
First Author: |
Hantschel O |
Year: |
2007 |
Journal: |
Proc Natl Acad Sci U S A |
Title: |
The Btk tyrosine kinase is a major target of the Bcr-Abl inhibitor dasatinib. |
Volume: |
104 |
Issue: |
33 |
Pages: |
13283-8 |
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•
•
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•
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Publication |
First Author: |
Gorska MM |
Year: |
2010 |
Journal: |
J Immunol |
Title: |
Uncoordinated 119 preferentially induces Th2 differentiation and promotes the development of asthma. |
Volume: |
184 |
Issue: |
8 |
Pages: |
4488-96 |
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Protein |
Organism: |
Mus musculus/domesticus |
Length: |
68
|
Fragment?: |
true |
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•
•
•
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•
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Publication |
First Author: |
Hyvönen M |
Year: |
1997 |
Journal: |
EMBO J |
Title: |
Structure of the PH domain and Btk motif from Bruton's tyrosine kinase: molecular explanations for X-linked agammaglobulinaemia. |
Volume: |
16 |
Issue: |
12 |
Pages: |
3396-404 |
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•
•
•
•
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Publication |
First Author: |
Vihinen M |
Year: |
1994 |
Journal: |
FEBS Lett |
Title: |
Tec homology (TH) adjacent to the PH domain. |
Volume: |
350 |
Issue: |
2-3 |
Pages: |
263-5 |
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•
•
•
•
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Publication |
First Author: |
Vihinen M |
Year: |
1997 |
Journal: |
FEBS Lett |
Title: |
Missense mutations affecting a conserved cysteine pair in the TH domain of Btk. |
Volume: |
413 |
Issue: |
2 |
Pages: |
205-10 |
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•
•
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•
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Publication |
First Author: |
Jiang Y |
Year: |
1998 |
Journal: |
Nature |
Title: |
The G protein G alpha12 stimulates Bruton's tyrosine kinase and a rasGAP through a conserved PH/BM domain. |
Volume: |
395 |
Issue: |
6704 |
Pages: |
808-13 |
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•
•
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•
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Publication |
First Author: |
Lindvall JM |
Year: |
2005 |
Journal: |
Immunol Rev |
Title: |
Bruton's tyrosine kinase: cell biology, sequence conservation, mutation spectrum, siRNA modifications, and expression profiling. |
Volume: |
203 |
|
Pages: |
200-15 |
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Protein Domain |
Type: |
Conserved_site |
Description: |
The Btk-type zinc finger or Btk motif (BM) is a conserved zinc-binding motif containing conserved cysteines and a histidine that is present in certain eukaryotic signalling proteins. The motif is named after Bruton's tyrosine kinase (Btk), an enzyme which is essential for B cell maturation in humans and mice [, ]. Btk is a member of the Tec family of protein tyrosine kinases (PTK). These kinases contain a conserved Tec homology (TH) domain between the N-terminal pleckstrin homology (PH) domain () and the Src homology 3 (SH3) domain (). The N-terminal of the TH domain is highly conserved and known as the Btf motif, while the C-terminal region of the TH domain contains a proline-rich region (PRR). The Btk motif contains a conserved His and three Cys residues that form a zinc finger (although these differ from known zinc finger topologies), while PRRs are commonly involved in protein-protein interactions, including interactions with G proteins [, ]. The TH domain may be of functional importance in various signalling pathways in different species []. A complete TH domain, containing both the Btk and PRR regions, has not been found outside the Tec family; however, the Btk motif on its own does occur in other proteins, usually C-terminal to a PH domain (note that although a Btk motif always occurs C-terminal to a PH domain, not all PH domains are followed by a Btk motif).The crystal structures of Btk show that the Btk-type zinc finger has a globular core, formed by a long loop which is held together by a zinc ion, and that the Btk motif is packed against the PH domain []. The zinc-binding residues are a histidine and three cysteines, which are fully conserved in the Btk motif []. Proteins known to contain a Btk-type zinc finger include:Mammalian Bruton's tyrosine kinase (Btk), a protein tyrosine kinase involved in modulation of diverse cellular processes. Mutations affecting Btk are the cause of X-linked agammaglobulinemia (XLA) in humans and X-linked immunodeficiency in mice. Mammalian Tec, Bmx, and Itk proteins, which are tyrosine protein kinases of the Tec subfamily. Drosophila tyrosine-protein kinase Btk29A, which is required for the development of proper ring canals and of male genitalia and required for adult survival. Mammalian Ras GTPase-activating proteins (RasGAP), which regulate the activation of inactive GDP-bound Ras by converting GDP to GTP. |
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Protein |
Organism: |
Mus musculus/domesticus |
Length: |
264
|
Fragment?: |
false |
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•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
123
|
Fragment?: |
true |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
625
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
619
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
622
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
618
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
347
|
Fragment?: |
true |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
184
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
178
|
Fragment?: |
true |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
290
|
Fragment?: |
true |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
297
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
799
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
802
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
847
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
834
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
834
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
848
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
651
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
659
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
630
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
630
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
651
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
608
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
659
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
655
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
483
|
Fragment?: |
false |
|
•
•
•
•
•
|
Protein |
Organism: |
Mus musculus/domesticus |
Length: |
608
|
Fragment?: |
false |
|
•
•
•
•
•
|