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Descriptor in English: Cytochromes
Descriptor in Spanish: Citocromos
Descriptor in Portuguese: Citocromos
Descriptor in French: Cytochromes
Entry term(s): Cytochrome
Tree number(s): D08.244
D12.776.422.220
Scope note: Hemeproteins whose characteristic mode of action involves transfer of reducing equivalents which are associated with a reversible change in oxidation state of the prosthetic group. Formally, this redox change involves a single-electron, reversible equilibrium between the Fe(II) and Fe(III) states of the central iron atom (From Enzyme Nomenclature, 1992, p539). The various cytochrome subclasses are organized by the type of HEME and by the wavelength range of their reduced alpha-absorption bands.
Annotation: GEN or unspecified; prefer specific cytochrome
Allowable Qualifiers: AD administration & dosage
AE adverse effects
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
DeCS UI: 3598
Descriptor UI: D003580
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2003/07/09
Cytochromes - Preferred
Concept UI M0005598
Scope note Hemeproteins whose characteristic mode of action involves transfer of reducing equivalents which are associated with a reversible change in oxidation state of the prosthetic group. Formally, this redox change involves a single-electron, reversible equilibrium between the Fe(II) and Fe(III) states of the central iron atom (From Enzyme Nomenclature, 1992, p539). The various cytochrome subclasses are organized by the type of HEME and by the wavelength range of their reduced alpha-absorption bands.
Preferred term Cytochromes
Entry term(s) Cytochrome



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