BLAST 9 E values

Dr. Rob Edwards from San Diego State University describes how E values work for BLAST, the Basic Local Alignment Search Tool

[nikitampmaurya]

Perfect! Exactly the what I was looking for! Thank you sooo much.

[Paulitau]

Thanks so much! You made it much eaier to understand

[caterinacevallos]

Shouldn't a smaller query sequence increase the possibilities of getting the match by chance?

[elizabetharenas]

Hiii I wonder how can i find % similarity in blast ?

[chukwuemekachukwu]

What happens when we have an Evalue of "0"? What does that tell us about our aligned sequence?

[matthewpobox]

How do you find the values of K and λ for a matrix? I can't find an answer anywhere and its driving me insane.