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Descriptor English: Sigma Factor
Descriptor Spanish: Factor sigma
Descriptor factor sigma
Entry term(s) elemento sigma
factor de iniciación sigma
subunidad sigma
Scope note: Proteína que es una subunidad de la ARN polimerasa. Efectúa la iniciación de cadenas específicas de ARN a partir del ADN.
Descriptor Portuguese: Fator sigma
Descriptor French: Facteur sigma
Entry term(s): Factor, Sigma
Factor, Sigma Initiation
Initiation Factor, Sigma
Minor Sigma Factor
RNA Polymerase Sigma Factor H
Sigma Element
Sigma Factor, Minor
Sigma Initiation Factor
Sigma Subunit
Subunit, Sigma
Tree number(s): D12.776.930.800
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D012808
Scope note: A protein which is a subunit of RNA polymerase. It effects initiation of specific RNA chains from DNA.
Annotation: a transcription factor; /biosyn /physiol permitted
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
DF deficiency
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: Bacterial Proteins (1973-1976)
Proteins (1966-1976)
Transcription, Genetic (1973-1976)
Public MeSH Note: 91; was see under TRANSCRIPTION FACTORS 1977-90
History Note: 91(77); was see under TRANSCRIPTION FACTORS 1977-90
DeCS ID: 13189
Unique ID: D012808
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1991/01/01
Date of Entry: 1976/04/19
Revision Date: 2005/06/30
Sigma Factor - Preferred
Concept UI M0019833
Scope note A protein which is a subunit of RNA polymerase. It effects initiation of specific RNA chains from DNA.
Preferred term Sigma Factor
Entry term(s) Factor, Sigma
Factor, Sigma Initiation
Initiation Factor, Sigma
Sigma Element
Sigma Initiation Factor
Sigma Subunit
Subunit, Sigma
RNA Polymerase Sigma Factor H - Narrower
Concept UI M0019834
Preferred term RNA Polymerase Sigma Factor H
Minor Sigma Factor - Narrower
Concept UI M0019832
Preferred term Minor Sigma Factor
Entry term(s) Sigma Factor, Minor



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