Aptamer-target interaction descriptor
Aptamer-target interaction information
Interaction ID: 1075
Aptamer sequence: AACCCAACCCCGCACCATTAGTCTAAATTTTCGCGACGGAACACAGCAACAACTCCCCA
Target unique ID: P35270
Aptamer ID Aptamer descriptor Target chemistry Target name Affinity Binding Conditions/Buffer PubMed ID
Apta_990 SP4 Protein SPRE_HUMAN 79.0 nM 50 mM Tris, pH 7.5, 150 mM NaCl and 2 mM MgCl2 32456943
Structure information of aptamer
Aptamer Sequence: AACCCAACCCCGCACCATTAGTCTAAATTTTCGCGACGGAACACAGCAACAACTCCCCA
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_990 Description SP4
Aptamer chemistry DNA Length 59 nt
GC content 50.8% Molecular weight 17,895.54 Da
Molarity of 1 μg/μl solution 55.88 μM Number of G-quadruplexes No QGRS found
G-Score N/A Function Aptasensor
Sequence AACCCAACCCCGCACCATTAGTCTAAATTTTCGCGACGGAACACAGCAACAACTCCCCA
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 1075
Target type Protein
Target unique ID P35270
Activity 79.0 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_321 DNA AACCGCCCAAATCCCTAAGAGTCGGACTGCAACCTATGCTATCGTTGATGTCTGTCCAAGCAACACAGACACACTACACACGCACA 55.81%
Apta_448 DNA TAACTCACTCCATACTCACTTGCTGATTCGCCAACAACACACCCTTAAACAGTCCC 54.24%
Apta_219 DNA AACCGCCCAAATCCCTAAGAGTCTGCACTTGTCATTTTGTATATGTATTTGGTTTTTGGCTCTCACAGACACACTACACACGCACA 53.49%
Apta_642 DNA ATCCAATACCTCAGAACTCAGTTCGAGTCGTAAAGGGGAATCGCA 52.54%
Apta_1049 DNA ATACGGGAGCCAACACCATGTACATTGTAGATTTATTTGCCCAAAACCCAAGAAGAGCAGGTGTGACGGAT 52.11%
Apta_896 DNA ATACGGGAGCCAACACCATAAGTCTAAAAAACTGGGAGTAAACACAATGTGTATAGAGCAGGTGTGACGGAT 51.39%
Apta_898 DNA ATACGGGAGCCAACACCAACAAAACTAGCAAATTAGAGCCGTATCGGAGCCTATAGAGCAGGTGTGACGGAT 51.39%
Apta_920 DNA ATCCAGAGTGACGCAGCACGGCACTCACTCTTTGTTAAGTGGTCTGCTTCTTAACCTTCATCGACACGGTGGCTTA 51.32%
Apta_969 DNA TAACCACCCCACCTCGCTCCCGTGACACTAATGCTAATTCCAA 50.85%
Apta_1070 DNA CCGTATCGCCCAGGCAACTGGGCTAAACTTCCCAGAGGGAACGAAACCTGGG 50.85%
Apta_770 DNA GAATTCAGTCGGACAGCGGCATTTACATTCCATGGGAAATTTCTCAAGCGGTATTTCATTTCGATGGACGAATATCGTCTCCC 50.60%
Apta_511 DNA ATCCGTCACACCTGCTCTCAGGGGATCACATTCTTGACGGTGTGATACAGTGCCTGGTGTTGGCTCCCGTAT 50.00%
Apta_527 DNA ATACGGGAGCCAACACCAACAACCTAGATGTTCTGATAACACGAATCGCTTCGAAGAGCAGGTGTGACGGAT 50.00%
Apta_614 DNA AATCGCATTACCTTATACCAGCTTATTCAATTACGTCTGCACATACCAGCTTATTCAATT 50.00%
Apta_897 DNA ATACGGGAGCCAACACCACTCTTATTTCCGGAAGTGGTTCTTCAACAGAGGAATAGAGCAGGTGTGACGGAT 50.00%
Apta_907 DNA ATACGGGAGCCAACACCACAACAAGATAAAGTATCAATCTGGTTGACGGACGTGAGAGCAGGTGTGACGGAT 50.00%
Apta_1113 DNA CCGCCCAAATCCCTAAGAGCACAAACACCAAACACAACCACCCCAACCAGACACACTACACACGCA 50.00%
Apta_1112 DNA ATCCAGAGTGACGCAGCAGGGCACATTGTTCACACACAGATCACATTACGGAAAACACAACTACACGAAATGTCGTTGGTGGCCC 49.41%
Apta_767 DNA GAATTCAGTCGGACAGCGACGGTGGGAGCCCCAAATAATTCTTGCGATTATTAGTGTAAGCGGATGGACGAATATCGTCTCCC 49.40%
Apta_533 DNA ATACGGGAGCCAACACCAAAGTAAGATCATCACCCGGACGCGGACATAATAGGAGAGCAGGTGTGACGGAT 49.30%