F
IPR016308

Proteinase inhibitor A/B

InterPro entry
Short nameProt_inh_API-A/B
Overlapping
homologous
superfamilies
 
family relationships

Description

This small family of proteins from plants includes proteinase inhibitors A and B from Sagittaria sagittifolia (Arrowhead) and a trypsin/chymotrypsin inhibitor from Alocasia macrorrhizos (Giant taro)
[1]
. They belong to the MEROPS inhibitor family I3, clan IC.

References

1.Amino-acid sequence of a trypsin/chymotrypsin inhibitor from giant taro (Alocasia macrorrhiza). Argall ME, Bradbury JH, Shaw DC. Biochim. Biophys. Acta 1204, 189-94, (1994). View articlePMID: 8142459

Further reading

2. The assignment of the reactive sites of the double-headed arrowhead proteinase inhibitor A and B. Li J, Ruan KC, Chi CW. Sheng Wu Hua Xue Yu Sheng Wu Wu Li Xue Bao 34, 662-6, (2002). PMID: 12198573

3. Two reactive site locations and structure-function study of the arrowhead proteinase inhibitors, A and B, using mutagenesis. Xie ZW, Luo MJ, Xu WF, Chi CW. Biochemistry 36, 5846-52, (1997). View articlePMID: 9153425

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