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3.A.2.1.9
Sodium (Na+)-pumping F-type ATPase.  ATPase activity is stimulated by Na+ (Wiangnon et al. 2007), and Na+ transport in liposomes has been demostrated (Soontharapirakkul and Incharoensakdi 2010). The enzyme appears to play a role in salt tolerance (Soontharapirakkul et al. 2011). This halotolerant cyanobacterium has both a Na+- and a H+-pumping ATPase (see TC# 3.A.2.1.10). The sequence of the δ-subunit was not available at the time of entry.

Accession Number:BAK19937
Protein Name:BAK19937.1 ApNa+ATPase b subunit [Aphanothece halophytica]
Length:257
Molecular Weight:
Species:Aphanothece halophytica [72020]
Number of TMSs:1
Substrate sodium ions

Cross database links:

External Searches:

  • Search: DB with
  • BLAST ExPASy (Swiss Institute of Bioinformatics (SIB) BLAST)
  • CDD Search (Conserved Domain Database)
  • Search COGs (Clusters of Orthologous Groups of proteins)
  • 2° Structure (Network Protein Sequence Analysis)

Analyze:

Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MLFDWFTFFA QIINFVILVY LLWRFLYRPI NKVMDDRQRQ LQERWNDARE QEEKAQQEAQ 
61:	KYRDQQAELE AQREALISEA KAEAEQKRQQ LRQSAREEIQ QRREQWQEAL QQEKESFYAR 
121:	SRQKLQQETI TICRRVLQDL ADAELEDQAI ALFLERLKDQ SNNEETELSN LKNTGIEDVV 
181:	VWSGFELSSP QRQQIALTLE KQNLTHSNAI TFETNPDLIF GIEARFGDHE VRWSVDDYLQ 
241:	DLDRTFSELF TTNISH