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2.A.17.3.4
Peptide transporter, PTR3-A (induced by histidine, leucine and phenylalanine in cotyledons and lower leaves; involved in stress tolerance in seeds during germination and in defense against virulent bacterial pathogens) (Karim et al., 2007; Karim et al., 2005)

Accession Number:Q9FNL7
Protein Name:PTR3-A
Length:582
Molecular Weight:65271.00
Species:Arabidopsis thaliana (Mouse-ear cress) [3702]
Number of TMSs:12
Location1 / Topology2 / Orientation3: Membrane1 / Multi-pass membrane protein2
Substrate peptides

Cross database links:

Genevestigator: Q9FNL7
eggNOG: KOG1237
HEGENOM: HBG605267
RefSeq: NP_199417.1   
Entrez Gene ID: 834646   
Pfam: PF00854   
KEGG: ath:AT5G46050   

Gene Ontology

GO:0016021 C:integral to membrane
GO:0042936 F:dipeptide transporter activity
GO:0042937 F:tripeptide transporter activity
GO:0042742 P:defense response to bacterium
GO:0042938 P:dipeptide transport
GO:0042538 P:hyperosmotic salinity response
GO:0009737 P:response to abscisic acid stimulus
GO:0080052 P:response to histidine
GO:0009753 P:response to jasmonic acid stimulus
GO:0043201 P:response to leucine
GO:0080053 P:response to phenylalanine
GO:0009751 P:response to salicylic acid stimulus
GO:0009611 P:response to wounding
GO:0042939 P:tripeptide transport

References (4)

[1] “Structural analysis of Arabidopsis thaliana chromosome 5. II. Sequence features of the regions of 1,044,062 bp covered by thirteen physically assigned P1 clones.”  Kotani H.et.al.   9405937
[2] “Empirical analysis of transcriptional activity in the Arabidopsis genome.”  Yamada K.et.al.   14593172
[3] “Structural and functional characterization of AtPTR3, a stress-induced peptide transporter of Arabidopsis.”  Karim S.et.al.   15889294
[4] “AtPTR3, a wound-induced peptide transporter needed for defence against virulent bacterial pathogens in Arabidopsis.”  Karim S.et.al.   17143616

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:	MTVEEVGDDY TKDGTVDLQG NPVRRSIRGR WKACSFVVVY EVFERMAYYG ISSNLFIYMT 
61:	TKLHQGTVKS SNNVTNWVGT SWLTPILGAY VGDALLGRYI TFVISCAIYF SGMMVLTLSV 
121:	TIPGIKPPEC STTNVENCEK ASVLQLAVFF GALYTLAIGT GGTKPNISTI GADQFDVFDP 
181:	KEKTQKLSFF NWWMFSIFFG TLFANTVLVY VQDNVGWTLG YGLPTLGLAI SITIFLLGTP 
241:	FYRHKLPTGS PFTKMARVIV ASFRKANAPM THDITSFHEL PSLEYERKGA FPIHPTPSLR 
301:	FLDRASLKTG TNHKWNLCTT TEVEETKQML RMLPVLFITF VPSMMLAQIN TLFVKQGTTL 
361:	DRKVTGSFSI PPASLSGFVT LSMLISIVLY DRVFVKITRK FTGNPRGITL LQRMGIGLIF 
421:	HILIMIVASV TERYRLKVAA DHGLIHQTGV KLPLTIFALL PQFVLMGMAD SFLEVAKLEF 
481:	FYDQAPESMK SLGTSYSTTS LAIGNFMSSF LLSTVSEITK KRGRGWILNN LNESRLDYYY 
541:	LFFAVLNLVN FVLFLVVVKF YVYRAEVTDS VDVKEVEMKE TE