What does the 62 in blosum62 mean?

Related questions

1. What is the difference between similarity and homology?
2. What is Clustalw used for?
3. What is the difference between Pam and Blosum?
4. What is PubMed Journal?
5. How does Fasta algorithm work?
6. Is Citescore the same as impact factor?
7. What is score in bioinformatics?
8. Is everything on jstor peer reviewed?
9. What is Blast E value?
10. What is nucleotide blast?

Tags

1. #protein
2. #aligning
3. #weigh
4. #proteins
5. #means
6. #scoring
7. #useful
8. #matrix
9. #identity
10. #blosum62
11. #therefore
12. #frequencies
13. #heavily
14. #substitution
15. #having
16. #sequences
17. #create
18. #approximately