1R8O

Crystal structure of an unusual Kunitz-type trypsin inhibitor from Copaifera langsdorffii seeds

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Kunitz trypsin inhibitor	polymer	96	10129.7	1	UniProt (P84144) In PDB	Copaifera langsdorffii	STI
2	B	Kunitz trypsin inhibitor	polymer	71	7902.1	1	UniProt (P84145) In PDB	Copaifera langsdorffii	STI
3		water	water		18.0	182	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	18031.8
All*	Total formula weight	18031.8

*Water molecules are not included.