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. Author manuscript; available in PMC: 2017 Mar 24.
Published in final edited form as: Curr Protoc Bioinformatics. 2016 Mar 24;53:3.9.1–3.925. doi: 10.1002/0471250953.bi0309s53

Table 3.

fasta36 built-in scoring matrices

name abbrev gap-penalties bit-scale notes
BLOSUM series (Henikoff and Henikoff, 1992)

BLOSUM 50 BL50 -10/-2 bits/3
BLOSUM 62 BP62 -11/-1 bits/2 same as BLASTP
BLOSUM 62 BL62 -7/-1 bits/2
BLOSUM 80 BL80 -10/-2 bits/2

Dayhoff PAM series (Schwartz and Dayhoff, 1978)

PAM 250 P250 -10/-2 bits/3
PAM 120 P120 -14/-3 bits/3

Modern PAM (MDM) series (Jones et al., 1992)

MDM 10 MD10 -23/-4 bits/3
MDM 20 MD20 -22/-4 bits/3
MDM 40 MD40 -21/-4 bits/3

VTML series (Mueller et al., 2002)

VTML 10 VT10 -16/-2 bits/2
VTML 20 VT20 -15/-2 bits/2
VTML 40 VT40 -15/-2 bits/2
VTML 80 VT80 -15/-2 bits/2
VTML 120 VT120 -15/-2 bits/2
VTML 160 VT160 -15/-2 bits/2
VTML 200 VT200 -15/-2 bits/2

Optima5 OPT5 -18/-2 bits/5 (Kann and Goldstein, 2002)