PDB entry 1kl5
View 1kl5 on RCSB PDB site
Description: an engineered streptavidin with improved affinity for the strep-tag II peptide : SAm2-StrepII
Class: peptide binding protein
Keywords: biotin, crystal structure, protein engineering, strep-tag, streptavidin
Deposited on
2001-12-11, released
2002-04-03
The last revision prior to the SCOP 1.73 freeze date was dated
2003-04-01, with a file datestamp of
2007-06-04.
Experiment type: XRAY
Resolution: 1.8 Å
R-factor: 0.18
AEROSPACI score: 0.51
(click here for full SPACI score report)
Chains and heterogens:
- Chain 'A':
Compound: streptavidin
Species: Streptomyces avidinii
Database cross-references and differences (RAF-indexed):
- Uniprot P22629
- engineered (31-32)
- engineered (34)
Domains in SCOP 1.73: d1kl5a_ - Chain 'B':
Compound: streptavidin
Species: Streptomyces avidinii
Database cross-references and differences (RAF-indexed):
- Uniprot P22629
- engineered (31-32)
- engineered (34)
Domains in SCOP 1.73: d1kl5b_ - Chain 'C':
Compound: streptavidin
Species: Streptomyces avidinii
Database cross-references and differences (RAF-indexed):
- Uniprot P22629
- engineered (31-32)
- engineered (34)
Domains in SCOP 1.73: d1kl5c_ - Chain 'D':
Compound: streptavidin
Species: Streptomyces avidinii
Database cross-references and differences (RAF-indexed):
- Uniprot P22629
- engineered (31-32)
- engineered (34)
Domains in SCOP 1.73: d1kl5d_ - Chain 'E':
Compound: strep-tag II
Species: synthetic, synthetic
- Chain 'F':
Compound: strep-tag II
Species: synthetic, synthetic
- Chain 'G':
Compound: strep-tag II
Species: synthetic, synthetic
- Chain 'H':
Compound: strep-tag II
Species: synthetic, synthetic
- Heterogens: HOH
PDB Chain Sequences:
- Chain 'A':
Sequence, based on SEQRES records: (download)
>1kl5A (A:)
meagitgtwynqlgstfivtagadgaltgtyigargnaesryvltgrydsapatdgsgta
lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
vkpsaas
Sequence, based on observed residues (ATOM records): (download)
>1kl5A (A:)
gitgtwynqlgstfivtagadgaltgtyigargnaesryvltgrydsapatdgsgtalgw
tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvkp
s
- Chain 'B':
Sequence, based on SEQRES records: (download)
>1kl5B (B:)
meagitgtwynqlgstfivtagadgaltgtyigargnaesryvltgrydsapatdgsgta
lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
vkpsaas
Sequence, based on observed residues (ATOM records): (download)
>1kl5B (B:)
agitgtwynqlgstfivtagadgaltgtyigargnaesryvltgrydsapatdgsgtalg
wtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvk
- Chain 'C':
Sequence, based on SEQRES records: (download)
>1kl5C (C:)
meagitgtwynqlgstfivtagadgaltgtyigargnaesryvltgrydsapatdgsgta
lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
vkpsaas
Sequence, based on observed residues (ATOM records): (download)
>1kl5C (C:)
agitgtwynqlgstfivtagadgaltgtyigargnaesryvltgrydsapatdgsgtalg
wtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvk
- Chain 'D':
Sequence, based on SEQRES records: (download)
>1kl5D (D:)
meagitgtwynqlgstfivtagadgaltgtyigargnaesryvltgrydsapatdgsgta
lgwtvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftk
vkpsaas
Sequence, based on observed residues (ATOM records): (download)
>1kl5D (D:)
gitgtwynqlgstfivtagadgaltgtyigargnaesryvltgrydsapatdgsgtalgw
tvawknnyrnahsattwsgqyvggaearintqwlltsgtteanawkstlvghdtftkvk
- Chain 'E':
No sequence available.
- Chain 'F':
No sequence available.
- Chain 'G':
No sequence available.
- Chain 'H':
No sequence available.