Medical Definition of Sigma factor

1. Initiation factor (86 kD) that binds to E. Coli DNA dependent RNA polymerase and promotes attachment to specific initiation sites on DNA. Following attachment, the sigma factor is released. This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)



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Lexicographical Neighbors of Sigma Factor

sigils
sigisbei
sigisbeo
sigla
sigless
sigloi
sigloite
siglos
siglum
sigma
sigma-delta converter
sigma-delta converters
sigma additivity
sigma bond
sigma effect
sigma factor (current term)
sigma peptide
sigmas
sigmate
sigmated
sigmates
sigmatic
sigmating
sigmatism
sigmatisms
sigmatropic
sigmodont
sigmoid
sigmoid arteries
sigmoid colon

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