Characteristic | MdEXP1 | MdEXP2 | MdEXP3 | MdEXP4 |
---|---|---|---|---|
Signal peptide | 1-24 | 1-23 | 1-19 | 1-24 |
GH45 domain | No | 39-180 | 52-211 | No |
Eight conserved cysteines | Yes | Yes | Yes | Yes |
GGACGY motif | GGsCGY | GGsCGf | GGsCGY | GGsCGY |
GxxCGxCF/Y motif | Yes | Yes | Yes | Yes |
Y/FRRVPC motif | IYAVSC | FTQVPC | VTRVPC | VYAAGC |
Catalytic site key residues | No | 1 A | 1 A | No |
DPBB_1 domain | 51-132 | 56-136; 302-385 | 82-161 | 51-132 |
Pollen_allerg_1 domain | 144-223 | 147-226 | 172-253 | No |
Four conserved tryptophan (W) residues (* structurally related residues) | 2(W) 1(F*) 1(Y*) | 2(W) 1(F*) 1(Y*) | 2(W) 2(Y*) | No |
HATFYG motif (A) | No | No | No | No |
α-insertion (A) | Yes | Yes | Yes | Yes |
β-insertion (B) | No | No | No | No |
HFDL motif (A, B) | Only L | Only L | Only L | Only L |
CDRC motif (LA) | No | No | No | No |
Long carboxy terminal extension (LA) | No | Yes | No | No |