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1.A.6.1.14
FMRFamide (peptide)-gated ionotropic receptor Na+ channel, NaC2-4 or NaC2, 3 and 5 (gated by neuropeptides Hydra-RFamides I and II; present in tentacles) (Golubovic et al. 2007). Three homologous subunits, NaC2, 3 and 5, assemble to form a more typical high affinity peptide-gated ion channel (Durrnagel et al., 2010).

Accession Number:A8DZR8
Protein Name:Hydra Na channel 4
Length:467
Molecular Weight:53950.00
Species:Hydra magnipapillata (Hydra) [6085]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Secreted1
Substrate

Cross database links:

Pfam: PF00858   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005272 F:sodium channel activity
GO:0006814 P:sodium ion transport

References (1)

[1] “A peptide-gated ion channel from the freshwater polyp hydra.”  Golubovic A.et.al.   17911098

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MNFEELAKIV VEAVQENNNQ PINTNKIKTP RELRNNKTKE YVSEMIDNSS FHGISYIAGK 
61:	ENHFIRRTIW LLITMTAFGY AAQKVYESTV NYFSFPISTT QMRIYVNEID FPAVSFCNFN 
121:	EFRLSKMDGT KVDQAILNPK LQGLVTAEEY RNVTFGAMFD LKEMLVDCEF NGIPCSDENF 
181:	TMFSWMQGER CFTFNSGKFP HKLLKIGGAG MKRSLKITIN IIHYEYYKDE MDAAIHMIVH 
241:	GQQDTPLKMR GPTLSPGFTT YIQLEKKMII NLEAPYKTKC GSLKLKYFDS YSLDTCWLEQ 
301:	LTDHVHSVCK CKDFFMPGDI PICSLNDAMS CMWPEWARFD QLKMQNCPLP CVIDSYKLSL 
361:	SRALFPSPQY ADSLTNSLQQ PPHIINSIKN ISDKVQFARD NLLRFVIYYD DLSYELIEQK 
421:	PSYDTLVWLG DIGGQIGLLI GAGAMSYFEF IDCLFLVIYN QFFKTYR