General Information of Binding Target of SBP (BTS) (ID: ST00210)
BTS Name
Vitamin B12-binding protein
BTS Type
Protein
Family
BtuF family
Gene Name
btuF
Organism
Escherichia coli (strain K12)
Function
Part of the ABC transporter complex BtuCDF involved in vitamin B12 import. Binds vitamin B12 and delivers it to the periplasmic surface of BtuC.
UniProt ID
P37028
UniProt Entry
BTUF_ECOLI
PFam
PF01497
Gene ID
61754834;947574
Sequence
MAKSLFRALVALSFLAPLWLNAAPRVITLSPANTELAFAAGITPVGVSSYSDYPPQAQKI
EQVSTWQGMNLERIVALKPDLVIAWRGGNAERQVDQLASLGIKVMWVDATSIEQIANALR
QLAPWSPQPDKAEQAAQSLLDQYAQLKAQYADKPKKRVFLQFGINPPFTSGKESIQNQVL
EVCGGENIFKDSRVPWPQVSREQVLARSPQAIVITGGPDQIPKIKQYWGEQLKIPVIPLT
SDWFERASPRIILAAQQLCNALSQVD
Sequence Length
266
Synthetic Binding Protein (SBP) Targeting This BTS
SBP Name Highest Status Mechanism Affinity Application Details Ref
Nanobody anti-BtuF clone 10 Research Inhibitor Kd: 6 nM Research tool
SBP Info
[1]
Nanobody anti-BtuF clone 7 Research Inhibitor Kd: 24 nM Research tool
SBP Info
[1]
Nanobody anti-BtuF clone 9 Research Inhibitor Kd: 0.94 nM Research tool
SBP Info
[1]
References
1 Structural basis of nanobody-mediated blocking of BtuF, the cognate substrate-binding protein of the Escherichia coli vitamin B12 transporter BtuCD. Sci Rep. 2017 Oct 30;7(1):14296.