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1.A.1.7.2 AtTPK4 two-pore K⁺ channel 4 (Becker et al., 2004). Asp86 and Asp200 are essential for K⁺ permeation as well as inward rectification (Marcel et al., 2010). Reviewed by González et al. 2014.
Accession Number:	Q6X308
Protein Name:	Two-pore potassium channel 4
Length:	284
Molecular Weight:	32061.00
Species:	Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:	4
Location¹ / Topology² / Orientation³:	Apical cell membrane¹ / Multi-pass membrane protein²
Substrate	potassium(1+)

RefSeq:	NP_171752.1
Entrez Gene ID:	837846
Pfam:	PF07885
KEGG:	ath:AT1G02510
Gene Ontology GO:0016021 C:integral to membrane GO:0005267 F:potassium channel activity GO:0006813 P:potassium ion transport
References (1) [1] “Sequence and analysis of chromosome 1 of the plant Arabidopsis thaliana.” Theologis A.et.al. 11130712

UniProt (Universal Protein Resource)
CDD Search (Conserved Domain Database)

Predict TMSs (Predict number of transmembrane segments)

FASTA formatted sequence

1:	MEEENLLNEN LLHPNESSPE ETQVTTVSKS KWTILVLAMI LLLVYLTFGV CTYSFFRDQF 
61:	SGTETNLFVD AFYFSIVTFS TVGYGDIVPS TSTTKILTIV LVSTGVVFLD YLLNRVVSHV 
121:	LSLQENAILD RINKTRNRAI RDHIAEDGKI RLKWKLCLAF CAVGLCVGSG ALFLHVFERL 
181:	DWLDSVYLSV ISVTTVGYGD KTFKTVEGRG FAVFWLLLST IAMATLFLYL AEMRIDRTTV 
241:	MKLPPSESEF IVFKLRESGR ISEDDIKQIV REFENLEEVP SSGS

1.A.1.7.2
AtTPK4 two-pore K⁺ channel 4 (Becker et al., 2004). Asp86 and Asp200 are essential for K⁺ permeation as well as inward rectification (Marcel et al., 2010). Reviewed by González et al. 2014.

Cross database links:

Gene Ontology

References (1)

External Searches:

Analyze:

1.A.1.7.2AtTPK4 two-pore K+ channel 4 (Becker et al., 2004). Asp86 and Asp200 are essential for K+ permeation as well as inward rectification (Marcel et al., 2010). Reviewed by González et al. 2014.

Cross database links:

Gene Ontology

References (1)

External Searches:

Analyze:

1.A.1.7.2
AtTPK4 two-pore K⁺ channel 4 (Becker et al., 2004). Asp86 and Asp200 are essential for K⁺ permeation as well as inward rectification (Marcel et al., 2010). Reviewed by González et al. 2014.