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| Descr: | Other advanced options |
| Values: | A string combining the options: |
| -G Cost to open a gap, see GAPCOSTS | |
| -E Cost to extend a gap, see GAPCOSTS | |
| -r Reward for match, see NUCL_REWARD | |
| -q Penalty for mismatch, see NUCL_PENALTY | |
| -e Expectation value (E), see EXPECT | |
| -W Word size, see WORD_SIZE | |
| -y Dropoff (X) for blast extensions in bits (default if zero) | |
| (Integer) default = 20 for nuc-nuc 7 for other programs | |
| Not applicable for megablast | |
| -X X dropoff value for gapped alignment (in bits) (Integer) | |
| default = 30 for nuc-nuc (blastn and megablast), 15 for other programs | |
| -Z Final X dropoff value for gapped alignment (in bits) | |
| (Integer) 50 for nuc-nuc (blastn), 25 for other programs | |
| megablast - not applicable | |
| -P 0 for multiple hits 1-pass, 1 for single hit 1-pass (Integer) | |
| Does not apply to blastn or megablast | |
| -A Multiple Hits window size (zero for single hit algorithm)(Integer) | |
| -I Number of database sequences to save hits for, | |
| see HITLIST_SIZE | |
| -b Number of database sequences to show alignments for, | |
| see ALIGNMENTS | |
| -v Number of database sequences to show one-line descriptions for, | |
| see DESCRIPTIONS | |
| -Y Effective length of the search space, see SEARCHSP_EFF | |
| -z Effective length of the database (use zero for the real size)(Real), default=0 | |
| -c Pseudocount constant for PSI-BLAST (Integer), default=7 | |
| -F Filtering directives, see FILTER | |
| Default: | empty |
| Commands: | Put |