Aptamer-target interaction descriptor
Aptamer-target interaction information
Interaction ID: 1078
Aptamer sequence: AATCCGACCACGAGAGCAGACCGACCACAGCATTATCTAAACCCATTAGTCTAGTCCTGG
Target unique ID: P35270
Aptamer ID Aptamer descriptor Target chemistry Target name Affinity Binding Conditions/Buffer PubMed ID
Apta_993 SP10 Protein SPRE_HUMAN 73.0 nM 50 mM Tris, pH 7.5, 150 mM NaCl and 2 mM MgCl2 32456943
Structure information of aptamer
Aptamer Sequence: AATCCGACCACGAGAGCAGACCGACCACAGCATTATCTAAACCCATTAGTCTAGTCCTGG
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_993 Description SP10
Aptamer chemistry DNA Length 60 nt
GC content 50.0% Molecular weight 18,350.81 Da
Molarity of 1 μg/μl solution 54.49 μM Number of G-quadruplexes No QGRS found
G-Score N/A Function Aptasensor
Sequence AATCCGACCACGAGAGCAGACCGACCACAGCATTATCTAAACCCATTAGTCTAGTCCTGG
Applications Fabricate a competitive aptasensor for sepiapterin detection
Target information
Type Detail Type Detail
Uniprot ID P35270 Protein name Sepiapterin reductase (SPR) (EC 1.1.1.153)
Gene name(s) SPR Organism Sepiapterin reductase (SPR) (EC 1.1.1.153)
Status reviewed in uniprot database Length 261
Mass 28,048 Activity regulation N/A
Involvement in disease Dystonia, DOPA-responsive, due to sepiapterin reductase deficiency (DRDSPRD) Catalytic activity Reaction=L-erythro-7,8-dihydrobiopterin + NADP(+) = H(+) + NADPH + sepiapterin
PDB ID(s)
1Z6Z;4HWK;4J7U;4J7X;4XWY;4Z3K;6I6C;6I6F;6I6P;6I6T;6I6V;6I79;6USN;7DSF;
Function Catalyzes the final one or two reductions in tetra-hydrobiopterin biosynthesis to form 5,6,7,8-tetrahydrobiopterin.
Activity data
Interaction ID 1078
Target type Protein
Target unique ID P35270
Activity 73.0 nM
Binding Conditions/Buffer

50 mM Tris, pH 7.5, 150 mM NaCl and 2 mM MgCl2

Assay

The fluorescence binding affinity curves for six sepiapterin aptamers (a plot of the aptamer concentration versus the fluorescence intensity of the eluted aptamer solution). The dissociation constants were calculated via nonlinear regression analysis of the saturation curves and the error bars represent the standard deviation of the measurements

PubMed ID 32456943
Similar aptamers
Aptamer ID Aptamer chemistry Sequence Similarity
Apta_944 DNA ATACGACTCACTATTAGGGACAAAGCTGACAACCCTTTCATAATCTAACTACATTTATGTGCTAGACTACTGACTAC 57.14%
Apta_1233 DNA TCACGAGAGAGCGAGAGCGCCCCCCCACCACAGCCGTCACCACCCTATTCCTCTGCCGTTG 55.74%
Apta_232 DNA AGCAGCACAGAGGTCAGATGCTATGAGCAGATCCGATAGAAAGTTAATGCCCTAGAACATCCTATGCGTGCTACCGTGAA 55.00%
Apta_395 DNA AATCCACGTATCGACTAGCTCAAACCAGCCTGATAGAGCCATTCGCTTTA 55.00%
Apta_1264 DNA CAACGATCGTACCACAGTACCCACCCACCAGCCCCAACATCATGCCCATGCGTCGGTGTG 55.00%
Apta_996 DNA ATAGGAGTCGACCGACCAGACAACCCTACGCGACCAACCAGATGACCTACGTGCGTCTACATCTAGACTC 54.29%
Apta_743 DNA ATCGTCTGCTCCGTCCAATATCCGAGCAAGAACTCATATTGCATTATTTATAGCTACGCGCTGCATTTGGTGTGAGGTCGTGC 54.22%
Apta_998 DNA ATAGGAGTCGACCGACCAGACCAACCCTACGCGTACCAACCAGATGACCTACGTGCGTCTACATCTAGACTC 54.17%
Apta_106 DNA AGCAGCACAGAGGTCAGATGGAGCCAGGAGTCGGCCTACAGAAGATTCTGATGTACCTCACCTATGCGTGCTACCGTGAA 53.75%
Apta_106 DNA AGCAGCACAGAGGTCAGATGGAGCCAGGAGTCGGCCTACAGAAGATTCTGATGTACCTCACCTATGCGTGCTACCGTGAA 53.75%
Apta_881 DNA AGCGTCGAATACCACTACAGCCCGCACTCAACCACCGTTCCTTTGTTTAATTTTGCACATCTAATGGAGCTCGTGGTCAG 53.75%
Apta_1178 DNA AGCGTCGAATACCACTACAGGGGATGCGAAGTTCCGCGGTCGAGTATATGATACATCCATCTAATGGAGCTCGTGGTCAG 53.75%
Apta_1005 DNA ATAGGAGTCGACCGACCAGACCCGACCTCTCCTTTCATGTGACACAATGGTGCGTCTACATCTAGACTC 53.62%
Apta_1001 DNA ATAGGAGTCGACCGACCAGACAACCCTACGCGTACCAACCAGATGACCTACGTGCGTCTACATCTAGACTC 53.52%
Apta_1001 DNA ATAGGAGTCGACCGACCAGACAACCCTACGCGTACCAACCAGATGACCTACGTGCGTCTACATCTAGACTC 53.52%
Apta_335 DNA ACCGGGCGTACACCGTCGCGGCACATGTCTGAATGCGTTTAGTCTCTGTG 53.33%
Apta_437 DNA TCACAGTCCCGGTGCCGCACTAAAACCCATTGTTGTGCGA 53.33%
Apta_728 DNA CGACCCGGCACAAACCCAGAACCATATACACGATCATTAGTCTCCTGGGCCG 53.33%
Apta_1218 DNA CGACACCACACAGCAGTAAGCACTACAACATAGTGGTCTAGACTATCTCGGGCCGGTG 53.33%
Apta_1231 DNA ACCACCGGCCCGAGATAGTCTAGACCACTATGTTGTTGTGCTTACTGCTGTGTGGTGTGG 53.33%