序列操作套件 SMS2：
蛋白两两比对
对两条蛋白质序列进行全局两两比对。
载入示例数据
填充示例序列，方便快速体验
Paste sequence one (in raw sequence or FASTA format) into the text area below. Input limit is 20,000 characters.
>Human p53 SSSVPSQKTYQGSYGFRLGFLHSGTAKSVTCTYSPALNKMFCQLAKTCPV QLWVDSTPPPGTRVRAMAIYKQSQHMTEVVRRCPHHERCSDSDGLAPPQH LIRVEGNLRVEYLDDRNTFRHSVVVPYEPPEVGSDCTTIHYNYMCNSSCM GGMNRRPILTIITLEDSSGNLLGRNSFEVRVCACPGRDRRTEEENL
Paste sequence two (in raw sequence or FASTA format) into the text area below. Input limit is 20,000 characters.
>Xenopus p53 SCAVPSTDDYAGKYGLQLDFQQNGTAKSVTCTYSPELNKLFCQLAKTCPL LVRVESPPPRGSILRATAVYKKSEHVAEVVKRCPHHERSVEPGEDAAPPS HLMRVEGNLQAYYMEDVNSGRHSVCVPYEGPQVGTECTTVLYNYMCNSSC MGGMNRRPILTIITLETPQGLLLGRRCFEVRVCACPGRDRRTEEDNY
Use the following parameters to specify how alignments are scored.
Scoring matrix
PAM30
PAM70
BLOSUM80
BLOSUM62
BLOSUM45
Gap opening penalty
20
18
16
14
12
10
8
6
4
2
Gap extension penalty
8
7
6
5
4
3
2
1
0