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3.A.1.25.5
Biotin/Riboflavin ECF transport system, EcfAA'T/RibU/BioY (Karpowich and Wang 2013). RibU binds riboflavin with high affinity, and the protein-substrate complex is exceptionally stable in solution. The crystal structure of riboflavin-bound RibU reveals an electronegative binding pocket at the extracellular surface in which the substrate is completely buried (Karpowich et al. 2016).

Accession Number:Q9X1G6
Protein Name:Membrane protein-like protein
Length:183
Molecular Weight:20015.00
Species:Thermotoga maritima (strain ATCC 43589 / MSB8 / DSM 3109 / JCM 10099) [243274]
Number of TMSs:5
Substrate Biotin, riboflavin

Cross database links:

Structure:
5kbw   5kc0     

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)

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MSSIKKISFV GIFSALATLV MFLEFPIFPQ ASFLKYDPSE IPALIVSFLL GPGVGMFVVL 
61:	VKDILFFLMK SGDPVGIAMN AVLGMSFVGI AGLIYHRNKS RATAIKGMIV ATLFATAFAL 
121:	GLNALIVPLY FEAPFELYLK FFPFILAFNL VKFGIDSVVT FFVYKKVSSI LKLETVEGRS 
181:	NNG