logo CaMPDB: Calpain for Modulatory Proteolysis Database

SB0114 : Filaggrin

[ CaMP Format ]

* Basic Information

OrganismHomo sapiens (human)
Protein Namesfilaggrin-2 [Homo sapiens]; filaggrin-2; filaggrin 2; ifapsoriasin; intermediate filament-associated and psoriasis susceptibility protein; FLG-2; intermediate filament-associated and psoriasis-susceptibility protein; Filaggrin-2; Intermediate filament-associated and psoriasis-susceptibility protein; Ifapsoriasin
Gene NamesFLG2; IFPS; filaggrin family member 2
Gene Locus1q21.3; chromosome 1
GO FunctionNot available
Entrez Protein Entrez Nucleotide Entrez Gene UniProt OMIM HGNC HPRD KEGG
NP_001014364 NM_001014342 388698 Q5D862 616284 HGNC:33276 11815 hsa:388698

* Information From OMIM

Description: The FLG2 gene encodes a member of the S100 fused-type protein (SFTP) family. These proteins are essential components that maintain epithelial homeostasis and barrier function (summary by Wu et al., 2009).

» More (1)

* Structure Information

1. Primary Information

Length: 2391 aa

Average Mass: 248.070 kDa

Monoisotopic Mass: 247.928 kDa

2. Domain Information

Annotated Domains: interpro / pfam / smart / prosite

Computationally Assigned Domains (Pfam+HMMER):

domain namebeginendscoree-value
EF hand 1. 263915.00.0
EF hand 2. 54802.00.5
EF-hand domain pair 1. 9210923.00.1

3. Sequence Information

Fasta Sequence: SB0114.fasta

Amino Acid Sequence and Secondary Structures (PsiPred):

4. 3D Information

Not Available.

* Cleavage Information

4 [sites] cleaved by Calpain 1

Source Reference: [PubMed ID: 21531719] Hsu CY, Henry J, Raymond AA, Mechin MC, Pendaries V, Nassar D, Hansmann B, Balica S, Burlet-Schiltz O, Schmitt AM, Takahara H, Paul C, Serre G, Simon M, Deimination of human filaggrin-2 promotes its proteolysis by calpain 1. J Biol Chem. 2011 Jul 1;286(26):23222-33. doi: 10.1074/jbc.M110.197400. Epub 2011

Cleavage sites (±10aa)

[Site 1] RHAHYHHGLT1713-TQTGSRTTGR

Thr1713 Thr

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Arg1704His1705Ala1706His1707Tyr1708His1709His1710Gly1711Leu1712Thr1713
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Thr1714Gln1715Thr1716Gly1717Ser1718Arg1719Thr1720Thr1721Gly1722Arg1723

Sequence conservation (by blast)

[Site 2] SDSEGYSGVS1741-HTHSGHTHGQ

Ser1741 His

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Ser1732Asp1733Ser1734Glu1735Gly1736Tyr1737Ser1738Gly1739Val1740Ser1741
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
His1742Thr1743His1744Ser1745Gly1746His1747Thr1748His1749Gly1750Gln1751

Sequence conservation (by blast)

[Site 3] IVHERHGTIH1771-GQTGDTTRHA

His1771 Gly

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Ile1762Val1763His1764Glu1765Arg1766His1767Gly1768Thr1769Ile1770His1771
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Gly1772Gln1773Thr1774Gly1775Asp1776Thr1777Thr1778Arg1779His1780Ala1781

Sequence conservation (by blast)

[Site 4] RHAHSGHGQS1788-TQTGSRTTGR

Ser1788 Thr

P10 P9 P8 P7 P6 P5 P4 P3 P2 P1
Arg1779His1780Ala1781His1782Ser1783Gly1784His1785Gly1786Gln1787Ser1788
P1' P2' P3' P4' P5' P6' P7' P8' P9' P10'
Thr1789Gln1790Thr1791Gly1792Ser1793Arg1794Thr1795Thr1796Gly1797Arg1798

Sequence conservation (by blast)

* References

[PubMed ID: 24813994] Makino T, Mizawa M, Yamakoshi T, Takaishi M, Shimizu T, Expression of filaggrin-2 protein in the epidermis of human skin diseases: a comparative analysis with filaggrin. Biochem Biophys Res Commun. 2014 Jun 20;449(1):100-6. doi:

» More (8)