Secondary Structures for Clan MH
| M18.001: aminopeptidase I 4R8F |
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| M18.003: aspartyl aminopeptidase (Plasmodium-type) 4EME |
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| M18.UPW: family M18 unassigned peptidases 1Y7E_A |
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| M20.001: glutamate carboxypeptidase 1CG2_A |
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| M20.003: peptidase T 1FNO_A |
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| M20.019: HMRA peptidase (Staphylococcus-type) 3RAM |
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| M28.002: aminopeptidase Ap1 1AMP |
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| M28.003: aminopeptidase S (Streptomyces-type) 1XJO |
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| M28.010: glutamate carboxypeptidase II 1Z8L_A |
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| M42.004: PhTET2 aminopeptidase 1XFO_A |
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