Search TCDB: (?)
TCDB is operated by the Saier Lab Bioinformatics Group
« See all members of the family


2.A.20.2.4
Low affinity housekeeping Pi transporter, PHT2, Pht2;1, Pht2,1, PT2-1 of 587 aas (Młodzińska and Zboińska 2016). The cucumber (Cucumis sativus) ortholog is involved in cucumber growth and metabolism; PT2-1 transcript levels in roots were high when grown in low (limiting) Pi-containing media, but low when grown in high Pi media (Naureen et al. 2018). Expressing Pht2;1 of Pteris vittata enhances phosphate transport in chloroplasts and increases arsenic tolerance in Arabidopsis thaliana (Feng et al. 2021).

Accession Number:Q38954
Protein Name:Pht2;1 aka Pht2,1
Length:587
Molecular Weight:61419.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:11
Location1 / Topology2 / Orientation3: Plastid1 / Multi-pass membrane protein2
Substrate phosphate(3-)

Cross database links:

RefSeq: NP_189289.2    NP_850633.1   
Entrez Gene ID: 822265   
Pfam: PF01384   
KEGG: ath:AT3G26570   

Gene Ontology

GO:0009706 C:chloroplast inner membrane
GO:0016021 C:integral to membrane
GO:0005315 F:inorganic phosphate transmembrane transport...
GO:0009673 F:low affinity phosphate transmembrane transp...
GO:0015293 F:symporter activity
GO:0006817 P:phosphate transport

References (8)

[1] “Sequence analysis of an 81 kb contig from Arabidopsis thaliana chromosome III.”  Quigley F.et.al.   8932388
[2] “Pht2;1 encodes a low-affinity phosphate transporter from Arabidopsis.”  Daram P.et.al.   10559441
[3] “A chloroplast phosphate transporter, PHT2;1, influences allocation of phosphate within the plant and phosphate-starvation responses.”  Versaw W.K.et.al.   12172020
[4] “Structural analysis of Arabidopsis thaliana chromosome 3. I. Sequence features of the regions of 4,504,864 bp covered by sixty P1 and TAC clones.”  Sato S.et.al.   10819329
[5] “Integral membrane proteins of the chloroplast envelope: identification and subcellular localization of new transporters.”  Ferro M.et.al.   12177442
[6] “Proteomic study of the Arabidopsis thaliana chloroplastic envelope membrane utilizing alternatives to traditional two-dimensional electrophoresis.”  Froehlich J.E.et.al.   12938931
[7] “Proteomics of the chloroplast envelope membranes from Arabidopsis thaliana.”  Ferro M.et.al.   12766230
[8] “Expression analysis suggests novel roles for the plastidic phosphate transporter Pht2;1 in auto- and heterotrophic tissues in potato and Arabidopsis.”  Rausch C.et.al.   15200639

External Searches:

Analyze:

Predict TMSs (Predict number of transmembrane segments)
Window Size: Angle:  
FASTA formatted sequence 
1:	MTLPYRFSSV RNHSLLLKTS HLCTPRSALG CCFSPKESPF FRKNTAQFLS PQKHTSLPLK 
61:	LVCPLASFSS YADSEGEEQH HADQPIQNPH ESSTVSNESD GKGNAEATGD FSGMAQAFHI 
121:	SSTTARAISI VIAFSALTLP IFMKSLGQGL ALKTKLLSYA TLLFGFYMAW NIGANDVANA 
181:	MGTSVGSGAL TIRQAVMTAA VLEFSGALLM GTHVTSTMQK GILMANVFQG KDMLLFAGLL 
241:	SSLAAAGTWL QVASYYGWPV STTHCIVGSM VGFGLVYGGA GAVFWSSLAK VASSWVISPI 
301:	LGALVSFLVY KCIRRFVYSA PNPGQAAAAA APVAVFVGVA SISSAALPLS KIFPIALSQA 
361:	LACGVAGAIV FDRIIRKQLG HLLAKTKSPE TSQNQPKTIG FLSDIAGPTG TQLEIVYGIF 
421:	GYMQVLSACF MSFAHGGNDV SNAIGPLAAA LSILQNGAAA GGAEIVIPMD VLAWGGFGIV 
481:	AGLTMWGYRV IATIGKKITE LTPTRGFAAE FAAASVVLFA SKLGLPISAT HTLVGAVMGV 
541:	GFARGLNSVR AETVREIVAS WLVTIPVGAT LAVIYTWIFT KILSFVL