$VAR1 = undef;

Summary for peptidase C01.046: falcipain-2

Summary Alignment Sequences Sequence features Distribution Structure Literature Substrates Pharma

 

Names
MEROPS Namefalcipain-2
Other namesfalcipain-2A (Plasmodium falciparum), falcipain-2B (Plasmodium falciparum), FP2B protein (Plasmodium falciparum), vivapain-2 (Plasmodium vivax)
Domain architecture
MEROPS Classification
Classification Clan CA >> Subclan (none) >> Family C1 >> Subfamily A >> C01.046
Holotypefalcipain-2 (Plasmodium falciparum) (peptidase unit: 260-484), MERNUM MER0012049
History Identifier created: MEROPS 5.3 (4 December 2000)
Activity
Catalytic typeCysteine
NC-IUBMBNot yet included in IUBMB recommendations.
Proteolytic eventsCutDB database (93 cleavages)
Pharmaceutical relevanceAn siRNA study shows that falcipain-2 is of key importance in the escape of the merozoite of Plasmodium falciparum from the host erythrocyte by rupture of the membranes of parasitophorous vacuole and erythrocyte (Dasaradhi et al., 2005).
Other databases PANTHERhttp://www.pantherdb.org/panther/familyList.do?searchType=basic&fieldName=all&listType=6&fieldValue=PTHR12411:SF546
Cleavage site specificity Explanations of how to interpret the following cleavage site sequence logo and specificity matrix can be found here.
Cleavage pattern-/-/l/-Scissile bond-/-/-/- (based on 152 cleavages)
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Specificity matrix
 
Amino acid P4 P3 P2 P1 P1' P2' P3' P4'
Gly 10 7 4 11 8 11 9 10
Pro 10 9 2 2 3 14 12 8
Ala 14 18 8 16 24 18 12 19
Val 7 19 19 13 8 14 8 13
Leu 6 13 49 20 18 13 17 15
Ile 0 0 1 0 0 1 0 0
Met 2 5 5 1 2 2 1 1
Phe 9 6 11 7 13 9 9 7
Tyr 4 3 2 1 2 4 5 2
Trp 3 1 3 1 2 1 3 2
Ser 9 3 4 9 12 11 10 4
Thr 10 8 8 6 6 11 3 9
Cys 2 3 2 0 2 0 1 1
Asn 7 5 2 5 5 3 5 2
Gln 1 2 4 4 2 0 2 1
Asp 6 5 8 7 4 4 9 11
Glu 8 6 8 15 2 3 3 18
Lys 4 11 7 13 14 6 6 7
Arg 4 4 3 15 4 3 3 4
His 7 4 2 6 9 14 12 6
Specificity from combinatorial peptides
 
Organism comment P4 P3 P2 P1 P1' P2' P3' P4' optimal substrate fluorophore or acceptor-donor pair Reference
Plasmodium falciparum recombinant broad L L R/K - - - - broad-LLR AMC Ramjee et al., 2006
Plasmodium falciparum recombinant H/N/broad R/broad L R/K - - - - HRLR ACC Subramanian et al., 2009
Plasmodium falciparum recombinant - - L R F - - - xxLR+Fxxx Abz-Tyr(NO2) Ramjee et al., 2006