Nischarin

NameNischarin
Synonyms
  • hIRAS
  • I-1
  • I-1 receptor candidate protein
  • I1R
  • I1R candidate protein
  • Imidazoline receptor 1
  • Imidazoline receptor antisera-selected protein
  • Imidazoline-1 receptor
  • Imidazoline-1 receptor candidate protein
  • IR1
  • IRAS
  • KIAA0975
Gene NameNISCH
OrganismHuman
Amino acid sequence
>lcl|BSEQ0037248|Nischarin
MATARTFGPEREAEPAKEARVVGSELVDTYTVYIIQVTDGSHEWTVKHRYSDFHDLHEKL
VAERKIDKNLLPPKKIIGKNSRSLVEKREKDLEVYLQKLLAAFPGVTPRVLAHFLHFHFY
EINGITAALAEELFEKGEQLLGAGEVFAIGPLQLYAVTEQLQQGKPTCASGDAKTDLGHI
LDFTCRLKYLKVSGTEGPFGTSNIQEQLLPFDLSIFKSLHQVEISHCDAKHIRGLVASKP
TLATLSVRFSATSMKEVLVPEASEFDEWEPEGTTLEGPVTAVIPTWQALTTLDLSHNSVS
EIDESVKLIPKIEFLDLSHNGLLVVDNLQHLYNLVHLDLSYNKLSSLEGLHTKLGNIKTL
NLAGNLLESLSGLHKLYSLVNLDLRDNRIEQMEEVRSIGSLPCLEHVSLLNNPLSIIPDY
RTKVLAQFGERASEVCLDDTVTTEKELDTVEVLKAIQKAKEVKSKLSNPEKKGGEDSRLS
AAPCIRPSSSPPTVAPASASLPQPILSNQGIMFVQEEALASSLSSTDSLTPEHQPIAQGC
SDSLESIPAGQAASDDLRDVPGAVGGASPEHAEPEVQVVPGSGQIIFLPFTCIGYTATNQ
DFIQRLSTLIRQAIERQLPAWIEAANQREEGQGEQGEEEDEEEEEEEDVAENRYFEMGPP
DVEEEEGGGQGEEEEEEEEDEEAEEERLALEWALGADEDFLLEHIRILKVLWCFLIHVQG
SIRQFAACLVLTDFGIAVFEIPHQESRGSSQHILSSLRFVFCFPHGDLTEFGFLMPELCL
VLKVRHSENTLFIISDAANLHEFHADLRSCFAPQHMAMLCSPILYGSHTSLQEFLRQLLT
FYKVAGGCQERSQGCFPVYLVYSDKRMVQTAAGDYSGNIEWASCTLCSAVRRSCCAPSEA
VKSAAIPYWLLLTPQHLNVIKADFNPMPNRGTHNCRNRNSFKLSRVPLSTVLLDPTRSCT
QPRGAFADGHVLELLVGYRFVTAIFVLPHEKFHFLRVYNQLRASLQDLKTVVIAKTPGTG
GSPQGSFADGQPAERRASNDQRPQEVPAEALAPAPAEVPAPAPAAASASGPAKTPAPAEA
STSALVPEETPVEAPAPPPAEAPAQYPSEHLIQATSEENQIPSHLPACPSLRHVASLRGS
AIIELFHSSIAEVENEELRHLMWSSVVFYQTPGLEVTACVLLSTKAVYFVLHDGLRRYFS
EPLQDFWHQKNTDYNNSPFHISQCFVLKLSDLQSVNVGLFDQHFRLTGSTPMQVVTCLTR
DSYLTHCFLQHLMVVLSSLERTPSPEPVDKDFYSEFGNKTTGKMENYELIHSSRVKFTYP
SEEEIGDLTFTVAQKMAEPEKAPALSILLYVQAFQVGMPPPGCCRGPLRPKTLLLTSSEI
FLLDEDCVHYPLPEFAKEPPQRDRYRLDDGRRVRDLDRVLMGYQTYPQALTLVFDDVQGH
DLMGSVTLDHFGEVPGGPARASQGREVQWQVFVPSAESREKLISLLARQWEALCGRELPV
ELTG
Number of residues1504
Molecular Weight166627.105
Theoretical pI4.8
GO Classification
Functions
  • phosphatidylinositol binding
  • identical protein binding
Processes
  • apoptotic process
  • G-protein coupled receptor signaling pathway
  • negative regulation of cell migration
  • regulation of blood pressure
  • regulation of synaptic transmission, GABAergic
  • Rac protein signal transduction
  • norepinephrine secretion
  • glucose metabolic process
  • actin cytoskeleton organization
Components
  • recycling endosome
  • early endosome
  • membrane
  • plasma membrane
  • cytosol
General FunctionPhosphatidylinositol binding
Specific FunctionActs either as the functional imidazoline-1 receptor (I1R) candidate or as a membrane-associated mediator of the I1R signaling. Binds numerous imidazoline ligands that induces initiation of cell-signaling cascades triggering to cell survival, growth and migration. Its activation by the agonist rilmenidine induces an increase in phosphorylation of mitogen-activated protein kinases MAPK1 and MAPK3 in rostral ventrolateral medulla (RVLM) neurons that exhibited rilmenidine-evoked hypotension (By similarity). Blocking its activation with efaroxan abolished rilmenidine-induced mitogen-activated protein kinase phosphorylation in RVLM neurons (By similarity). Acts as a modulator of Rac-regulated signal transduction pathways (By similarity). Suppresses Rac1-stimulated cell migration by interacting with PAK1 and inhibiting its kinase activity (By similarity). Also blocks Pak-independent Rac signaling by interacting with RAC1 and inhibiting Rac1-stimulated NF-kB response element and cyclin D1 promoter activation (By similarity). Inhibits also LIMK1 kinase activity by reducing LIMK1 'Tyr-508' phosphorylation (By similarity). Inhibits Rac-induced cell migration and invasion in breast and colon epithelial cells (By similarity). Inhibits lamellipodia formation, when overexpressed (By similarity). Plays a role in protection against apoptosis. Involved in association with IRS4 in the enhancement of insulin activation of MAPK1 and MAPK3. When overexpressed, induces a redistribution of cell surface ITGA5 integrin to intracellular endosomal structures.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID3462807
UniProtKB IDQ9Y2I1
UniProtKB Entry NameNISCH_HUMAN
Cellular LocationCell membrane
Gene sequence
>lcl|BSEQ0021702|Nischarin (NISCH)
ATGGCGACCGCGCGCACCTTCGGGCCCGAGCGGGAAGCCGAGCCGGCCAAGGAAGCGCGC
GTCGTGGGCTCGGAGCTTGTGGACACTTATACGGTTTACATCATCCAGGTCACTGATGGC
AGCCATGAGTGGACAGTAAAGCACCGCTACAGCGACTTCCATGACCTGCATGAAAAGCTC
GTTGCAGAGAGAAAGATTGATAAAAATCTGCTTCCGCCCAAAAAGATAATTGGGAAAAAC
TCAAGAAGCTTGGTGGAGAAGAGGGAGAAGGATCTGGAGGTCTACCTCCAGAAGCTCCTG
GCTGCCTTCCCTGGCGTGACCCCCAGAGTACTGGCCCACTTCTTGCATTTTCACTTCTAT
GAGATAAATGGCATCACCGCGGCACTGGCTGAAGAGCTCTTTGAGAAAGGAGAACAGCTC
CTGGGGGCCGGCGAGGTCTTTGCCATTGGACCCCTGCAGCTGTATGCCGTCACGGAGCAG
CTGCAGCAGGGAAAGCCCACGTGCGCCAGTGGGGATGCCAAGACCGACCTCGGGCACATC
CTGGACTTCACCTGTCGCCTTAAGTACCTTAAGGTTTCTGGCACAGAAGGACCTTTTGGG
ACCAGCAACATTCAGGAGCAGCTCCTGCCGTTCGACCTATCAATATTCAAGTCCCTGCAT
CAGGTGGAGATAAGTCACTGTGATGCTAAGCACATCAGAGGGCTGGTCGCATCGAAGCCC
ACCTTAGCCACGCTGAGTGTCCGCTTCTCAGCAACCTCGATGAAGGAAGTCCTTGTTCCT
GAAGCCTCAGAATTTGATGAGTGGGAGCCTGAAGGCACAACCCTAGAAGGCCCTGTGACT
GCCGTCATCCCCACTTGGCAGGCATTGACCACGCTTGACCTGAGCCACAACAGCATCTCC
GAGATCGACGAGTCTGTGAAACTGATCCCAAAGATTGAGTTCCTGGACCTGAGTCACAAT
GGATTGCTGGTTGTGGACAATCTGCAGCACCTGTATAACCTTGTGCATCTGGACCTGTCC
TACAACAAGCTCTCCTCCTTGGAAGGGCTTCACACCAAGCTGGGGAACATCAAGACCTTA
AACCTGGCAGGCAACCTCCTAGAGAGTCTGAGTGGCCTGCACAAGCTCTACTCACTGGTC
AACCTGGATCTCCGGGACAACAGGATCGAACAGATGGAGGAGGTCCGGAGCATAGGCAGC
CTCCCGTGTCTGGAGCACGTGTCTCTGCTGAACAACCCTCTGAGCATCATCCCCGACTAC
CGGACCAAGGTGCTGGCTCAGTTCGGAGAGAGGGCCTCAGAGGTCTGTCTGGATGACACA
GTGACCACAGAGAAGGAGCTGGACACTGTGGAAGTGCTGAAAGCAATTCAGAAAGCCAAG
GAGGTCAAGTCCAAACTGAGCAACCCAGAGAAGAAGGGTGGTGAAGACTCCCGGCTCTCA
GCTGCCCCCTGCATCAGACCCAGCAGCTCCCCTCCCACTGTGGCTCCCGCATCTGCCTCC
CTGCCCCAGCCCATCCTCTCTAACCAAGGTAATCGTGTATGTATCTTGCTTCTAGTGGAG
CCACACAGCCCTGCCTGGGCCCCCTGGCTGGGCTGGGGTTGGGGGAGAGGTGCCAGCACC
TGCTTCCAACAGGGTCAGACACAGGGAGGGCAGTGCCTTCTGCAGGCTGGTCCTCGCGGG
GGGACACATGGCAGGGGTGCCTGGCCTGATGCCAGCTGTTGCTTGCTTGGTGAGGACTCC
CAATTGCTCTGA
GenBank Gene IDAF082516
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:18006
Chromosome Location3
Locus3p21.1
References
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  2. Piletz JE, Deleersnijder W, Roth BL, Ernsberger P, Zhu H, Ziegler D: IRAS splice variants. Ann N Y Acad Sci. 2003 Dec;1009:419-26. 15028621
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  16. Jain P, Baranwal S, Dong S, Struckhoff AP, Worthylake RA, Alahari SK: Integrin-binding protein nischarin interacts with tumor suppressor liver kinase B1 (LKB1) to regulate cell migration of breast epithelial cells. J Biol Chem. 2013 May 31;288(22):15495-509. doi: 10.1074/jbc.M112.418103. Epub 2013 Apr 9. 23572524