vitamin B12 ABC transporter substrate-binding protein BtuF

LOCUS       WP_001129925             266 aa            linear   BCT 27-MAR-2023
            [Escherichia coli].
ACCESSION   WP_001129925
VERSION     WP_001129925.1
KEYWORDS    RefSeq.
SOURCE      Escherichia coli
  ORGANISM  Escherichia coli
            Bacteria; Pseudomonadati; Pseudomonadota; Gammaproteobacteria;
            Enterobacterales; Enterobacteriaceae; Escherichia.
COMMENT     REFSEQ: This record represents a single, non-redundant, protein
            sequence which may be annotated on many different RefSeq genomes
            from the same, or different, species.
            
            ##Evidence-For-Name-Assignment-START##
            Evidence Category  :: HMM
            Evidence Accession :: NF002894.0
            Evidence Source    :: NCBI Protein Cluster (PRK)
            Source Identifier  :: PRK03379
            ##Evidence-For-Name-Assignment-END##
            COMPLETENESS: full length.
FEATURES             Location/Qualifiers
     source          1..266
                     /organism="Escherichia coli"
                     /db_xref="taxon:562"
     gene            1..266
                     /gene="btuF"
     Protein         1..266
                     /product="vitamin B12 ABC transporter substrate-binding
                     protein BtuF"
                     /EC_number="7.6.2.-"
                     /GO_function="GO:0005524 - ATP binding [Evidence IEA]"
                     /GO_function="GO:0031419 - cobalamin binding [Evidence
                     IEA]"
                     /calculated_mol_wt=29263
     Region          7..266
                     /region_name="PRK03379"
                     /note="vitamin B12-transporter protein BtuF; Provisional"
                     /db_xref="CDD:179575"
     Site            order(31..32,50,85,87,168,196)
                     /site_type="other"
                     /note="cobalamin binding residues [chemical binding]"
                     /db_xref="CDD:238564"
     Site            order(72,202)
                     /site_type="active"
                     /note="putative BtuC binding residues [active]"
                     /db_xref="CDD:238564"
     Site            order(86,95,98,104,108,111,113..114,117,120..121)
                     /site_type="other"
                     /note="dimer interface [polypeptide binding]"
                     /db_xref="CDD:238564"
ORIGIN      
        1 makslfralv alsflaplwl naaprvitls pantelafaa gitpvgvssy sdyppqaqki
       61 eqvstwqgmn lerivalkpd lviawrggna erqvdqlasl gikvmwvdat nieqianalr
      121 qlapwspqpd kaeqaaqsll dqyaqlkaqy adkpkkrvfl qfginppfts gkesiqnqvl
      181 evcggenifk dsrvpwpqvs reqvlarspq aivitggpdq ipkikqywge qlkipviplt
      241 sdwferaspr iilaaqqlcn alsqvd