Aptamer-target interaction descriptor
Aptamer-target interaction information
Interaction ID: 231
Aptamer sequence: ACGCGCCTATGGTGCATCGCATGCCGACC
Target unique ID: P05532
Aptamer ID Aptamer descriptor Target chemistry Target name Affinity Binding Conditions/Buffer PubMed ID
Apta_227 Kit-129 Protein KIT_MOUSE 12.21 nM Buffer composed of Dulbecco's phosphate-buffered saline with calcium and magnesium and 5 mM MgCl2, 0.45% glucose and 100 mg/ml tRNA 23967247
Structure information of aptamer
Aptamer Sequence: ACGCGCCTATGGTGCATCGCATGCCGACC
The optimal secondary structure in dot-bracket notation: ..(((((...)))))..............
The centroid secondary structure in dot-bracket notation: ..(((((...)))))..(.......)...
The MFE structure
The Centroid structure
The mountain plot representation
Aptamer information
Type Detail Type Detail
Aptamer ID Apta_227 Description Kit-129
Aptamer chemistry DNA Length 29 nt
GC content 65.5% Molecular weight 9,079.62 Da
Molarity of 1 μg/μl solution 110.14 μM Number of G-quadruplexes No QGRS found
G-Score N/A Function Targeted therapy
Sequence ACGCGCCTATGGTGCATCGCATGCCGACC
Applications Recognizes c-kit endogenously expressed by a mast cell line or hematopoietic progenitor cells, and specifically blocks binding of the c-kit ligand stem cell factor (SCF)
Target information
Type Detail Type Detail
Uniprot ID P05532 Protein name Mast/stem cell growth factor receptor Kit (SCFR) (EC 2.7.10.1) (Proto-oncogene c-Kit) (Tyrosine-protein kinase Kit) (CD antigen CD117)
Gene name(s) Kit Sl Organism Mast/stem cell growth factor receptor Kit (SCFR) (EC 2.7.10.1) (Proto-oncogene c-Kit) (Tyrosine-protein kinase Kit) (CD antigen CD117)
Status reviewed in uniprot database Length 979
Mass 109,343 Activity regulation Present in an inactive conformation in the absence of bound ligand
Involvement in disease Defects in Kit are the cause of the white-spotting phenotype (W) Catalytic activity Reaction=ATP + L-tyrosyl-[protein] = ADP + H(+) + O-phospho-L-tyrosyl-[protein]
PDB ID(s)
2O26;
Function Tyrosine-protein kinase that acts as cell-surface receptor for the cytokine KITLG/SCF and plays an essential role in the regulation of cell survival and proliferation, hematopoiesis, stem cell maintenance, gametogenesis, mast cell development, migration and function, and in melanogenesis.
Activity data
Interaction ID 231
Target type Protein
Target unique ID P05532
Activity 12.21 nM
Binding Conditions/Buffer

Buffer composed of Dulbecco's phosphate-buffered saline with calcium and magnesium and 5 mM MgCl2, 0.45% glucose and 100 mg/ml tRNA

Assay

Kit-129 has high specificity for BJAB c-kit cells. Shown are mean fluorescence values of Alexa-647-labeled Kit-129 aptamer tested in serial dilutions from 0 to 100 nM by flow cytometry

PubMed ID 23967247
Similar aptamers
Aptamer ID Aptamer chemistry Sequence Similarity
Apta_504 DNA TTGCTCCTTATAGAGCCGTCCGAGC 58.62%
Apta_166 DNA ATCGCGCTCTCCTGCTTAAGCAGCTATCAAATAGCCCACT 57.50%
Apta_960 DNA CCCGAGGCACGAGGGGGAACGTATCGTCATGTGCCGGCCA 57.50%
Apta_163 DNA GCGCATGACCATTGATGTCTGCACCATCAGAGGCAGAG 52.63%
Apta_506 DNA AAGCGCGCGAGACTACGTTTGTAGGGATACCGATGTCG 52.63%
Apta_877 DNA GTGCGAAGCGCCTCCACTGTACATCCACTCCTTCTGCC 52.63%
Apta_7 DNA CCAGTCTCCCGTTTACCGCGCCTACACATGTCTGAATGCC 52.50%
Apta_222 DNA AGCGACTGACGATCTTGAGTAAACCGCTCATCCACGTAGT 52.50%
Apta_262 DNA ACGGACTCGCAAAAGGTGGAACAGGAGTGGGCCCCGCGGC 52.50%
Apta_284 DNA CACTCCGTCACTTTAGTGGATCTTTATAAAACCGATGCTG 52.50%
Apta_406 DNA AAAGCCCACTGCATAGAGGCCGCTCAACATGCGAGCCGGT 52.50%
Apta_873 DNA CCACCGAGCCTACCACATGTGACATCCCAGGACATAGCTG 52.50%
Apta_875 DNA GCCGCGACCATACAACGCAAACAACACGCCTGTACGCTTG 52.50%
Apta_914 DNA CGCTCCGTTTACTCGGTCTGCTATTGGCTTGCCTTTGTTT 52.50%
Apta_1216 DNA AGCGTCCTCTGCATAGTGATTTACGCTATGTGTACAGTGC 52.50%
Apta_125 DNA TGGTGGATGGCGCAGTCGGCGACAA 51.72%
Apta_147 DNA TGCGGTTGTAGTACTCGTGGCCG 51.72%
Apta_323 DNA GGCTATAGCACATGGGTAAAACGAC 51.72%
Apta_323 DNA GGCTATAGCACATGGGTAAAACGAC 51.72%
Apta_323 DNA GGCTATAGCACATGGGTAAAACGAC 51.72%