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