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3.A.1.1.52
Sugar (sucrose, maltose, glucose, fructose, esculin (coumarin β-glucoside)) uptake system possibly consisting of 5 or 6 proteins (see below) (Nieves-Morión and Flores 2017). These proteins are all implicated in sugar uptake, but they may include components of multiple transporters. The system may also regulate formation of septal nanopores (Flores et al. 2018).

Accession Number:Q8YVQ8
Protein Name:Sugar transport system, sugar-binding protein
Length:418
Molecular Weight:46706.00
Species:Nostoc sp. (strain PCC 7120 / SAG 25.82 / UTEX 2576) [103690]
Number of TMSs:1
Substrate

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MKKSWWQFLG LVMAIAIAIV AYHSWQVQSS SSASAPVTVK LSGWGGSPVE QKLLKQVLQD 
61:	FEAQHPHIKV KYEVISDQYM DVIKTRLIGE AAPDVFYLDA LEAPFLMSQN VLEPLDNYIT 
121:	PEFDLSDFEA NLLDNFKYQN HIYGFPKDYS TLALFYNKKA FAAAGLSSPP ATWTELRTYS 
181:	QQLTGKLNKY GFGEAPELAR QVYKIKAFGG EVINQNGYAT FASEAGLRGF QLVIDQYQKD 
241:	KSSAQKSDVG TNSGSEMFGQ EKVAMVIEGN WAIPYLQETF PQLEFATAQL PTINNKKGTM 
301:	VFTVAYVMSK QSQHKAEAWE LISYLTGKAG MQKWTSTGFA LPTRKSVSQK FGYEQDPLRS 
361:	PLVAGVDDAT PWQVGKYPAP IVNNFDNQFV SALLGQQPLK QAMLRAQNQA NKQIRAME