TCDB is operated by the Saier Lab Bioinformatics Group
« See all members of the family


1.A.1.22.1
The cyclic nucleotide-gated K+ channel, MmaK. (Activated by cyclic AMP and cyclic GMP; inactivated at slightly acidic pH (Kuo et al., 2007))

Accession Number:Q2W0I8
Protein Name:MmaK
Length:394
Molecular Weight:42654.00
Species:Magnetospirillum magneticum (strain AMB-1 / ATCC 700264) [342108]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Membrane1 / Multi-pass membrane protein2
Substrate K+

Cross database links:

eggNOG: COG1226
HEGENOM: HBG299487
RefSeq: YP_423196.1   
Entrez Gene ID: 3803282   
Pfam: PF00027    PF00520   
BioCyc: MMAG342108:AMB3833-MONOMER   
KEGG: mag:amb3833   

Gene Ontology

GO:0008076 C:voltage-gated potassium channel complex
GO:0005249 F:voltage-gated potassium channel activity
GO:0006813 P:potassium ion transport
GO:0055085 P:transmembrane transport

References (1)

[1] “Complete genome sequence of the facultative anaerobic magnetotactic bacterium Magnetospirillum sp. strain AMB-1.”  Matsunaga T.et.al.   16303747

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)
Window Size: Angle:  
Window Size: Angle:  
FASTA formatted sequence
1:	MIDWLYGLVG EGPFPSMRAM VYRGLLVVCI VLSTTIAIVD TVPDAWIGFE GAVSATGGLF 
61:	LVILSLDYIL RLVVARAQRG DGESGLAAMA RYALSPYGIF DFLAVVPFLV GEATALMPHD 
121:	GETVFGILRF LKLARYSPAL ETLGVVVLHE LRPLLASLFI MLILAISAST LIYFTERGAN 
181:	PALASVPAAM WWAIVTLSTV GFGDVVPITP LGKLFGSVVA VLGLCMFALP ASILASGFAE 
241:	EMKRQNFVST WHLVAKVPFF QRLQASQIAE IAGLLKLARA IKGEVLMREG DTGECMYFIV 
301:	SGQVEVKGRA GTFILKNGDF FGEIALIERC PRTATVKAVS RCQLLILDAR DFHKFVAHDH 
361:	ALLEVIWETA RARMAQADHA GDKNAAPPKE KEPV