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1.A.1.13.10
K+ channel protein with 343 aas and 2 N-terminal TMSs, MjK2.  Binding of the MjK2 RCK domain to membranes takes place via an electrostatic interaction with anionic lipid surfaces (Ptak et al. 2005).

Accession Number:Q58752
Protein Name:Probable potassium channel protein 2
Length:343
Molecular Weight:38884.00
Species:Methanocaldococcus jannaschii (strain ATCC 43067 / DSM 2661 / JAL-1 / JCM 10045 / NBRC 100440) [243232]
Number of TMSs:2
Location1 / Topology2 / Orientation3: Cell membrane1 / Multi-pass membrane protein2
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	METSKKLVIV AVLSITLILT YAYLISIIEG VDYFTALYFS VITITTTGYG DFTPKTFLGR 
61:	TLTVVYLCVG VGIVMYLFSL IAEFIVEGKF EEFVRLKKMK NKIKTLKDHY IICGYGRLGK 
121:	VVGEKFIEEN IPFIAIDINE DVLKEEYEKY PDKFLYIVGD AKKEEVLKKA KIDKAKGLIA 
181:	TLPSDADNVF LTLTARELNP NILITAKADE KEAIRKLKIA GANRVVSPYL IGGLRMAEVS 
241:	VRPGILDFLS TFIKIAKDEY EEDIELRKFV IEKDSELAYK SLKDANIRGK TGATILGIRR 
301:	EKEFCINPYP EFILKPGDVI YAFGTEENLK YLENLVKKKK KKL