4PY7

Crystal Structure of Fab 3.1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (I, A)	antibody 3.1 heavy chain	polymer	219	23603.7	2		Homo sapiens (human)
2	B, D (J, B)	antibody 3.1 light chain	polymer	214	23159.7	2		Homo sapiens (human)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	93526.7
All*	Total formula weight	93526.7

*Water molecules are not included.