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2.A.37.4.4
CHX08 cation:H+ antiporter (expressed in pollen; Bock et al., 2006) (most like 2.A.37.4.3; 29% identity)

Accession Number:Q58P71
Protein Name:Cation/H+ exchanger
Length:816
Molecular Weight:90956.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:12
Location1 / Topology2 / Orientation3: Membrane1 / Multi-pass membrane protein2
Substrate cations, H+

Cross database links:

Genevestigator: Q58P71
eggNOG: KOG1650
Pfam: PF00999   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0005739 C:mitochondrion
GO:0015299 F:solute:hydrogen antiporter activity
GO:0006812 P:cation transport
GO:0055085 P:transmembrane transport

References (1)

[1] “Expression patterns of a novel AtCHX gene family highlight potential roles in osmotic adjustment and K+ homeostasis in pollen development.”  Sze H.et.al.   15347787

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:	MGGGDISHMS PEVKWIFEMA WYGETVRYDG LICEEHPPKL SSDGIWEKLI IKSAGLYFWQ 
61:	YRLPKLEIVI LLVFFLWQGF NILFKKLGLS IPKLSSMMLA GLLLNVLVTL SGENSIIADI 
121:	LVTKNRIDVA GCLGSFGFLI FWFLKGVRMD VKRIFKAEAK ARVTGVAAVT FPIVVGFLLF 
181:	NLKSAKNRPL TFQEYDVMLL MESITSFSGI ARLLRDLGMN HSSIGRVALS SALVSDIVGL 
241:	LLLIANVSRS SATLADGLAI LTEITLFLVI AFAVVRPIMF KIIKRKGEGR PIEDKYIHGV 
301:	LVLVCLSCMY WEDLSQFPPL GAFFLGLAIP NGPPIGSALV ERLESFNFGI ILPLFLTAVM 
361:	LRTDTTAWKG ALTFFSGDDK KFAVASLVLL IFLLKLSVSV IVPYLYKMPL RDSIILALIM 
421:	SHKGIIELSF YLFSLSLKLV TKDTFSILVL SIVLNSLLIP MAIGFLYDPS KQFICYQKRN 
481:	LASMKNMGEL KTLVCIHRPD HISSMINLLE ASYQSEDSPL TCYVLHLVEL RGQDVPTLIS 
541:	HKVQKLGVGA GNKYSENVIL SFEHFHRSVC SSISIDTFTC IANANHMQDD ICWLALDKAV 
601:	TLIILPFHRT WSLDRTSIVS DVEAIRFLNV NVLKQAPCSV GILIERHLVN KKQEPHESLK 
661:	VCVIFVGGKD DREALAFAKR MARQENVTLT VLRLLASGKS KDATGWDQML DTVELRELIK 
721:	SNNAGMVKEE TSTIYLEQEI LDGADTSMLL RSMAFDYDLF VVGRTCGENH EATKGIENWC 
781:	EFEELGVIGD FLASPDFPSK TSVLVVQQQR TVANNN