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Descriptor English: DNA, A-Form
Descriptor Spanish: ADN de Forma A
Descriptor Portuguese: DNA Forma A
Descriptor French: Forme A de l'ADN
Entry term(s): A-DNA
A-Form DNA
DNA, A Form
Tree number(s): D13.444.308.130
G02.111.570.820.486.128
G05.360.580.114
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D044704
Scope note: An isoform of DNA that occurs in an environment rich in SODIUM and POTASSIUM ions. It is a right-handed helix with 11 base pairs per turn, a pitch of 0.256 nm per base pair and a helical diameter of 2.3 nm.
Annotation:
Allowable Qualifiers: AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BI biosynthesis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
DE drug effects
EC economics
GE genetics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PH physiology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UL ultrastructure
UR urine
Previous Indexing: DNA (1985-2003)
Public MeSH Note: 2004; see DNA 1986-2003
History Note: 2004; use DNA 1986-2003
Related: DNA, C-Form MeSH
DNA, Z-Form MeSH
Nucleic Acid Conformation MeSH
DeCS ID: 38315
Unique ID: D044704
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2004/01/01
Date of Entry: 2003/07/09
Revision Date: 2015/06/22
DNA, A-Form - Preferred
Concept UI M0006643
Scope note An isoform of DNA that occurs in an environment rich in SODIUM and POTASSIUM ions. It is a right-handed helix with 11 base pairs per turn, a pitch of 0.256 nm per base pair and a helical diameter of 2.3 nm.
Preferred term DNA, A-Form
Entry term(s) A-DNA
A-Form DNA
DNA, A Form



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