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3.A.1.11.7
The spermidine/putrescine uptake porter, PotABCD (Shah et al. 2008; Shah et al. 2006; Ware et al. 2006Shah et al. 2006; Ware et al. 2006Ware et al. 2006).

Accession Number:Q97Q43
Protein Name:Spermidine/putrescine ABC transporter, permease protein
Length:275
Molecular Weight:31545.00
Species:Streptococcus pneumoniae serotype 4 (strain ATCC BAA-334 / TIGR4) [170187]
Number of TMSs:6
Location1 / Topology2 / Orientation3: Membrane1 / Multi-pass membrane protein2
Substrate Spermidine, Putrescine

Cross database links:

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:	MQSRRKEMKK TSSKLFVVPY MLWIALFVLA PLVLIFGQSF FNIEGQFSLE NYKSYFASQN 
61:	LTYLKMSFNS VLYAGIVTFV ALLISYPTAL FLTRLKHRQL WLMLIILPTW INLLLKAYAF 
121:	IGIFGQNGSI NQFLEFIGIG SQQLLFTDFS FIFVASYIEL PFMILPIFNV LDDMDNNLIN 
181:	ASYDLGATKW ETFRHVIFPL SMNGVRSGVQ SVFIPSLSLF MLTRLIGGNR VITLGTAIEQ 
241:	NFLTNDNYGM GSTIGVILIL TMFITMWVTK ERRER