We apologize for Proteopedia being slow to respond. For the past two years, a new implementation of Proteopedia has been being built. Soon, it will replace this 18-year old system. All existing content will be moved to the new system at a date that will be announced here.
5yix is a 2 chain structure with sequence from Caulobacter vibrioides NA1000. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
A0A0H3CAV3_CAUVN Sigma factors are initiation factors that promote the attachment of RNA polymerase to specific initiation sites and are then released. This sigma factor is the primary sigma factor during exponential growth.[HAMAP-Rule:MF_00963]