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Annotation rule MF_01000
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General rule information [?]

Accession MF_01000
Dates 12-FEB-2002 (Created)
18-NOV-2020 (Last updated, Version 28)
Name BtuF
Scope
Bacteria; Enterobacterales
Bacteria; Vibrionaceae
Template P37028 (BTUF_ECOLI)
Triggered by

Propagated annotation [?]


Identifier, protein and gene names [?]

Identifier
BTUF
Protein name
RecName: Full=Vitamin B12-binding protein;
Flags: Precursor;
Gene name
btuF

Comments [?]

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.
Subunit The complex is composed of two ATP-binding proteins (BtuD), two transmembrane proteins (BtuC) and a solute-binding protein (BtuF).
Subcellular location Periplasm.
Similarity Belongs to the BtuF family.

Keywords [?]

case <FT:5>
Disulfide bond
end case
Periplasm
Signal
Transport

Gene Ontology [?]

GO:0015889; Biological process: cobalamin transport.
GO:0042597; Cellular component: periplasmic space.

Cross-references [?]

Pfam PF01497; Peripla_BP_2; 1;
PROSITE PS50983; FE_B12_PBP; 1; trigger=PRU00344;

Computed features [?]

General Signal; -; 1; trigger=yes;

Features [?]

From: BTUF_ECOLI (P37028)
Key     From     To       Description   Tag   Condition   FTGroup
REGION (Optional)     242     246       Cyanocob(III)alamin-binding     D-W-F-E-R  
BINDING (Optional)     50     50       Cyanocob(III)alamin     Y  
SITE     72     72       Important for BtuC binding     E  
SITE     202     202       Important for BtuC binding     E  
DISULFID     183     259             C-x*-C  

Additional information [?]

Size range 266-280 amino acids
Related rules None
Fusion None


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