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2.A.7.9.2
Nongreen plastid/chloroplast glucose-P/triose-P/glycerate-P:Pi antiporter (GPT) (Both glucose-6-P and glucose-1-P are substrates; other hexose-Ps may also be transported). (Exchanges phosphoenolpyruvate for inorganic phosphate (Nozawa et al., 2007)

Accession Number:P52178
Protein Name:CPT2 aka GPT aka NGTPT
Length:402
Molecular Weight:43523.00
Species:Brassica oleracea (Cauliflower) [3715]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Plastid1 / Multi-pass membrane protein2
Substrate Glucose-phosphate, Glycerate-phosphate, phosphate, Glucose-6-phosphate, Glucose-1-phosphate

Cross database links:

Pfam: PF00892    PF03151   

Gene Ontology

GO:0031969 C:chloroplast membrane
GO:0016021 C:integral to membrane
GO:0005215 F:transporter activity
GO:0006810 P:transport

References (1)

[1] “A new class of plastidic phosphate translocators: a putative link between primary and secondary metabolism by the phosphoenolpyruvate/phosphate antiporter.”  Fischer K.et.al.   9090886

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)
Window Size: Angle:  
Window Size: Angle:  
FASTA formatted sequence
1:	MQSSAVFSAS PSLPLLKPGR LSLRHPVTAS SNLSVSPPNV VSVPPLPRRS WRLASSDSPL 
61:	RAWSGLPSVS SPSLDTNRFK TAATAVPEEG EGSGKMTKVL ELGLLFAMWY LFNIYFNIYN 
121:	KQVLKALHAP MTVTLVQFAV GSVLITFMWA LNLYKRPKIS AAQLAAILPL AVVHTLGNLF 
181:	TNMSLGKVSV SFTHTIKAME PFFSVVLSAM FLGEVPTPWV IGSIIPIVGG VALASVTEVS 
241:	FNWAGFLSAM ASNLTNQSRN VLSKKVMVKK DDSLDNITLF SIITLMSLFL MAPVTFFSEG 
301:	IKFTPSYIQS AGVNVQQIYT KSLIAALCFH AYQQVSYMIL ARVSPVTHSV GNCVKRVVVI 
361:	VSSVIFFKTP VSPVNAFGTG IALAGVFLYS RVKRIKPKPK TA