Aptamer-target interaction descriptor
Aptamer-target interaction information
Interaction ID: 737
Aptamer sequence: TCAGTCCCGATCAGGTGTGGGTGGCATTGG
Target unique ID: 442530
Aptamer ID Aptamer descriptor Target chemistry Target name Affinity Binding Conditions/Buffer PubMed ID
Apta_676 2.3 Molecule Ochratoxin A 1.7 μM 10 mM HEPES, pH 7.0, 120 mM NaCl, 5 mM KCl, 5 mM MgCl2 18983163
Structure information of aptamer
Aptamer Sequence: TCAGTCCCGATCAGGTGTGGGTGGCATTGG
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_676 Description 2.3
Aptamer chemistry DNA Length 30 nt
GC content 60.0% Molecular weight 9,309.97 Da
Molarity of 1 μg/μl solution 107.41 μM Number of G-quadruplexes 2
G-Score 19 Function Aptasensor
Sequence TCAGTCCCGATCAGGTGTGGGTGGCATTGG
Applications Determination of Ochratoxin A
Target information
Type Detail Type Detail
PubChem ID 442530 Molecular name Ochratoxin A
Molecular formula C20H18ClNO6 Molecular weight 403.8
IUPAC name (2S)-2-[[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carbonyl]amino]-3-phenylpropanoic acid InChIKey RWQKHEORZBHNRI-BMIGLBTASA-N
LogP 2.573 Topological polar surface area 112.93
Hydrogen bond acceptor 5 Hydrogen bond donor 3

Synonym(s):
OCHRATOXIN A; 303-47-9; Phenylalanine - ochratoxin A; Antibiotic 9663; 3R14S-Ochratoxin A; CHEBI:7719; (-)-N-((5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl)-3-phenylalanine; Ochratoxin A, aspergillus ochraceus; MFCD00078079; Ochratoxin A-BSA conjugate from Aspergillus ochraceus; N-(((3R)-5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl)-3-phenyl-L-alanine; OTA; NCI-C56586; NSC 201422; UNII-1779SX6LUY; N-{[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-isochromen-7-yl]carbonyl}-L-phenylalanine; (2~{S})-2-[[(3~{R})-5-chloranyl-3-methyl-8-oxidanyl-1-oxidanylidene-3,4-dihydroisochromen-7-yl]carbonylamino]-3-phenyl-propanoic acid; (2S)-2-[[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carbonyl]amino]-3-phenylpropanoic acid; (2S)-2-{[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-yl]formamido}-3-phenylpropanoic acid; Ochratoxin A 10 microg/mL in Acetonitrile; 1779SX6LUY; (R)-N-((5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-benzo(c)pyran-7-yl)carbonyl)-3-phenylalanine; Ochratoxin A(OTA); N-{[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-yl]carbonyl}-L-phenylalanine; CBiol_002012; SCHEMBL15105; CHEMBL589366; GTPL4672; MEGxm0_000357; DTXSID7021073; ACon0_000200; ACon1_001268; Alanine, N-[(5-chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl]-3-phenyl-, (-)-; Bio1_000298; Bio1_000787; Bio1_001276; L-Phenylalanine, N-[(5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl]-, (R)-; ZINC3861782; BDBM50485598; AKOS024456512; MCULE-3363875457; N-[(3R)-(5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl]-L-phenylalanine; SMP2_000132; NCGC00162403-01; NCGC00162403-02; NCGC00162403-03; NCGC00162403-04; NCGC00162403-05; C09955; J-017922; Ochratoxin A 10 microg/mL in Acetonitrile:Methanol; Q1885038; BRD-K39944607-001-01-4; Ochratoxin A, from Petromyces albertensis, >=98% (HPLC); Ochratoxin A, reference material, from Aspergillus ochraceus; Ochratoxin A, purum, >=98.0% (TLC), from Aspergillus ochraceus; Ochratoxin A solution, 10 mug/mL in acetonitrile, analytical standard; (-)-N-((5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl-3-phenylalanine; (2S)-2-{[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carbonyl]amino}-3-phenylpropanoic acid; (R)-N-((5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl)-carbonyl)-L-phenylalanine; (R)-N-((5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl)phenylalanine; (S)-2-((R)-5-chloro-8-hydroxy-3-methyl-1-oxoisochroman-7-carboxamido)-3-phenylpropanoic acid; 97U; N-[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carbonyl]-L-phenylalanine; N-[(5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl]phenylalanine, 9CI; N-[[(3R)-5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl]carbonyl]-L-phenylalanine; NCGC00162403-05_C20H18ClNO6_L-Phenylalanine, N-[[(3R)-5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl]carbonyl]-; Ochratoxin A solution, certified reference material, 50 mug/mL in benzene: acetic acid (99:1), ampule of 1 mL

Activity data

No relevant experimental diagram

Interaction ID 737
Target type Molecule
Target unique ID 442530
Activity 1.7 μM
Binding Conditions/Buffer

10 mM HEPES, pH 7.0, 120 mM NaCl, 5 mM KCl, 5 mM MgCl2

Assay

N/A

PubMed ID 18983163
Similar aptamers
Aptamer ID Aptamer chemistry Sequence Similarity
Apta_673 DNA GCAGTCCTAGATCGGGTGTGGCTGGCTTGG 80.00%
Apta_679 DNA CAGGTGGCAGATCGGGTGTGGGTGGCCTGG 73.33%
Apta_683 DNA GCAGTACGATCGGGGGTGGGTGGATGTAGG 73.33%
Apta_671 DNA GCATCTGATCGGGTGTGGGTGGCGTAAAGG 70.00%
Apta_675 DNA ACTGTCCGTCGGGTTTAGGGTGGCGTTCGG 70.00%
Apta_681 DNA CCTGACGATCGGGTGTGGGTTGGCTTGAGG 66.67%
Apta_682 DNA CCTTGTAGATCGGGTGTGGTTTGGCGTAGG 63.33%
Apta_744 DNA GTGGCCAGTCACTCAATTGGGTGTAGGGGTGGGGATTGTGGGTTG 57.78%
Apta_266 DNA TGGATGGTAGCTCGGTCGGGGTGGGTGGGTTGGCAAGTCT 57.50%
Apta_1205 DNA GGCAGGTGGTGTTGGTTGGTTGTGCGTGGAGTTGG 57.14%
Apta_12 DNA TGAGGGGGTGGGTGGGACGGGTTGG 56.67%
Apta_126 DNA TCCTCATATAGAGTGCGGGGCGTGT 56.67%
Apta_700 DNA GCAGGGGCGTTCGGGGGGTACCGCTGC 56.67%
Apta_1019 DNA ATCCCTGCAGTTTGGTAGGGTGCAGG 56.67%
Apta_1086 DNA GCAGTTGATCCTTTGGATACCCTGG 56.67%
Apta_1150 DNA CTAAGCAGGAAGGTATGGATTGGTTGCATTAG 56.25%
Apta_58 DNA GCACCTTGATGACATGATAGTCGTTGTGTATGCAGTTGGC 55.00%
Apta_148 DNA CCGTAGGTTCGGGGTCGGAGTGGTCCGGAAGGTGGCGTGG 55.00%
Apta_149 DNA CCGTAGGTTCGGGGTCGGAGTGGTCCGGAAGATGGCGTGG 55.00%
Apta_259 DNA GCAAGTATGAGCGCAGGAGTTAGGTCCCGTGGCGATGGGT 55.00%