PPIRE11160

Target Protein Information
Protein_Name Streptavidin
Protein_Sequence MRKIVVAAIAVSLTTVSITASASADPSKDSKAQVSAAEAGITGTWYNQLGSTFIVTAGADGALTGTYESAVGNAESRYVLTGRYDSAPATDGSGTALGWTVAWKNNYRNAHSATTWSGQYVGGAEARINTQWLLTSGTTEANAWKSTLVGHDTFTKVKPSAASIDAAKKAGVNNGNPLDAVQQ
Organism_Source Streptomyces avidinii
Functional_Classification biotin-binding proteins
Cellular_Localization Extracellular
Gene_Names None
UniProt_ID P22629
Protein-Protein Interaction Networks
Peptide Basic Information
Peptide_Name SBP-tag
Peptide_Sequence MDEKTTGWRGGHVVEGLAGELEQLRARLEHHPQGQREP
Peptide_Length 38
Peptide_SMILES CSCC[C@H](N)C(=O)N[C@@H](CC(=O)O)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCCCN)C(=O)N[C@H](C(=O)N[C@H](C(=O)NCC(=O)N[C@@H](Cc1c[nH]c2ccccc12)C(=O)N[C@@H](CCCNC(=N)N)C(=O)NCC(=O)NCC(=O)N[C@@H](Cc1c[nH]cn1)C(=O)N[C@H](C(=O)N[C@H](C(=O)N[C@@H](CCC(=O)O)C(=O)NCC(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C)C(=O)NCC(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](C)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCC(=O)O)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)N[C@@H](Cc1c[nH]cn1)C(=O)N1CCC[C@H]1C(=O)N[C@@H](CCC(N)=O)C(=O)NCC(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(=N)N)C(=O)N[C@@H](CCC(=O)O)C(=O)N1CCC[C@H]1C(=O)O)C(C)C)C(C)C)[C@@H](C)O)[C@@H](C)O
Chemical_Modification None
Cyclization_Method None
Linear/Cyclic Linear
N-terminal_Modification Free
C-terminal_Modification Free
Amino_Acid_Distribution
Peptide Physicochemical
Molecular_Weight 4305.76
Aliphatic_Index 61.57895
Aromaticity 0.02632
Average_Rotatable_Bonds 3.81579
Charge_at_pH_7 -1.71850
Isoelectric_Point 6.22922
Number_of_Hydrogen_Bond_Acceptors 60
Number_of_Hydrogen_Bond_Donors 66
Topological_Polar_Surface_Area 1928.72000
X_logP_energy -20.54892
Interaction Information
Affinity KD=2.5 nM
Affinity_Assay spin-filter binding inhibition assay
PDB_ID None
Type Affinity ligand
Structure
Reference Information
Document_Type Research Articles
Title One-step purification of recombinant proteins using a nanomolar-affinity streptavidin-binding peptide, the SBP-Tag.
Release_Year 2001
PMID 11722181
DOI 10.1006/prep.2001.1515