PDB entry 1kff

View 1kff on RCSB PDB site
Description: An engineered streptavidin with improved affinity for the strep-tag II peptide: apo-SAM1
Class: peptide binding protein
Keywords: biotin, crystal structure, protein engineering, strep-tag, streptavidin, PEPTIDE BINDING PROTEIN
Deposited on 2001-11-20, released 2002-04-03
The last revision prior to the SCOPe 2.02 freeze date was dated 2009-02-24, with a file datestamp of 2009-02-03.
Experiment type: XRAY
Resolution: 1.9 Å
R-factor: 0.173
AEROSPACI score: 0.47 (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 (31-32)
      • engineered (34)
    Domains in SCOPe 2.02: d1kffa_
  • Chain 'B':
    Compound: streptavidin
    Species: Streptomyces avidinii [TaxId:1895]
    Database cross-references and differences (RAF-indexed):
    • Uniprot P22629
      • engineered (31-32)
      • engineered (34)
    Domains in SCOPe 2.02: d1kffb_
  • Chain 'C':
    Compound: streptavidin
    Species: Streptomyces avidinii [TaxId:1895]
    Database cross-references and differences (RAF-indexed):
    • Uniprot P22629
      • engineered (31-32)
      • engineered (34)
    Domains in SCOPe 2.02: d1kffc_
  • Chain 'D':
    Compound: streptavidin
    Species: Streptomyces avidinii [TaxId:1895]
    Database cross-references and differences (RAF-indexed):
    • Uniprot P22629
      • engineered (31-32)
      • engineered (34)
    Domains in SCOPe 2.02: d1kffd_
  • Heterogens: HOH

PDB Chain Sequences:

  • Chain 'A':
    Sequence, based on SEQRES records: (download)
    >1kffA (A:)
    meagitgtwynqlgstfivtagadgaltgtyvtargnaesryvltgrydsapatdgsgta
    lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
    vkpsaas
    

    Sequence, based on observed residues (ATOM records): (download)
    >1kffA (A:)
    gitgtwynqlgstfivtagadgaltgtyvtargnaesryvltgrydsapatdgsgtalgw
    tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvkp
    

  • Chain 'B':
    Sequence, based on SEQRES records: (download)
    >1kffB (B:)
    meagitgtwynqlgstfivtagadgaltgtyvtargnaesryvltgrydsapatdgsgta
    lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
    vkpsaas
    

    Sequence, based on observed residues (ATOM records): (download)
    >1kffB (B:)
    agitgtwynqlgstfivtagadgaltgtyvtargnaesryvltgrydsapatdgsgtalg
    wtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvk
    

  • Chain 'C':
    Sequence, based on SEQRES records: (download)
    >1kffC (C:)
    meagitgtwynqlgstfivtagadgaltgtyvtargnaesryvltgrydsapatdgsgta
    lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
    vkpsaas
    

    Sequence, based on observed residues (ATOM records): (download)
    >1kffC (C:)
    gitgtwynqlgstfivtagadgaltgtyvtargnaesryvltgrydsapatdgsgtalgw
    tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvk
    

  • Chain 'D':
    Sequence, based on SEQRES records: (download)
    >1kffD (D:)
    meagitgtwynqlgstfivtagadgaltgtyvtargnaesryvltgrydsapatdgsgta
    lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
    vkpsaas
    

    Sequence, based on observed residues (ATOM records): (download)
    >1kffD (D:)
    gitgtwynqlgstfivtagadgaltgtyvtargnaesryvltgrydsapatdgsgtalgw
    tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvk