4TWM

Crystal structure of dioscorin from Dioscorea japonica

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Dioscorin 5	polymer	246	28217.6	2	UniProt (A7MAQ2) Pfam (PF00194)	Dioscorea japonica (Yam)
2	C, D (A)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	E, F (A, B)	water	water		18.0	120	Chemie (HOH)

Sequence modifications

A, B: 1 - 246 (UniProt: A7MAQ2)

PDB	External Database	Details
Asp 9	Glu 34	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	56435.2
Non-Polymers*	Number of molecules	2
	Total formula weight	192.1
All*	Total formula weight	56627.4

*Water molecules are not included.