2XKN

Crystal structure of the Fab fragment of the anti-EGFR antibody 7A7

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C (A, C)	ANTI-EGFR ANTIBODY 7A7	polymer	223	24628.1	2		MUS MUSCULUS (HOUSE MOUSE)
2	B, D (B, D)	ANTI-EGFR ANTIBODY 7A7	polymer	216	23124.0	2		MUS MUSCULUS (HOUSE MOUSE)
3	E, F, G, H (B, D)	2-{2-[2-(2-{2-[2-(2-ETHOXY-ETHOXY)-ETHOXY]-ETHOXY}-ETHOXY)-ETHOXY]-ETHOXY}-ETHANOL	non-polymer		354.4	4	Chemie (PE4)
4	I, J, K, L (A, B, C, D)	water	water		18.0	1112	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	95504.2
Non-Polymers*	Number of molecules	4
	Total formula weight	1417.7
All*	Total formula weight	96921.9

*Water molecules are not included.