PDB entry 4bx7

View 4bx7 on RCSB PDB site
Description: trans-divalent streptavidin bound to biotin-4-fluorescein
Class: biotin-binding protein
Keywords: biotin-binding protein, avidin, biotin
Deposited on 2013-07-08, released 2013-09-25
The last revision prior to the SCOPe 2.07 freeze date was dated 2014-01-15, with a file datestamp of 2014-01-10.
Experiment type: XRAY
Resolution: 2.26 Å
R-factor: 0.1863
AEROSPACI score: 0.32 (click here for full SPACI score report)

Chains and heterogens:

  • Chain 'A':
    Compound: streptavidin
    Species: Streptomyces avidinii [TaxId:1895]
    Database cross-references and differences (RAF-indexed):
    • Uniprot P22629
      • engineered mutation (10)
      • engineered mutation (14)
      • engineered mutation (32)
    Domains in SCOPe 2.07: d4bx7a_
  • Chain 'B':
    Compound: streptavidin
    Species: Streptomyces avidinii [TaxId:1895]
    Database cross-references and differences (RAF-indexed): Domains in SCOPe 2.07: d4bx7b_
  • Heterogens: MPD, B4F, HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download)
    >4bx7A (A:)
    aeagitgtwyaqlgdtfivtagadgaltgtyeaavgnaesryvltgrydsapatdgsgta
    lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
    vkpsaasa
    

    Sequence, based on observed residues (ATOM records): (download)
    >4bx7A (A:)
    agitgtwyaqlgdtfivtagadgaltgtyeaavgnaesryvltgrydsapatdgsgtalg
    wtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv
    

  • Chain 'B':
    Sequence, based on SEQRES records: (download)
    >4bx7B (B:)
    aeagitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgta
    lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
    vkpsaaseeeeee
    

    Sequence, based on observed residues (ATOM records): (download)
    >4bx7B (B:)
    gitgtwynqlgstfivtagadgaltgtyesavgnaesryvltgrydsapatdgsgtalgw
    tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkv