7Q4B

Type I beta-amyloid 42 Filaments from Human Brain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	R, A, B, C, D...	Amyloid-beta precursor protein	polymer	42	4520.1	10	UniProt (P05067) Pfam (PF03494) In PDB	Homo sapiens (Human)	APP,ABPP,APPI,Alzheimer disease amyloid protein,Amyloid precursor protein,Amyloid-beta A4 protein,Cerebral vascular amyloid peptide,CVAP,PreA4,Protease nexin-II,PN-II
2	R, A, B, C, D...	UNKNOWN ATOM OR ION	non-polymer			10	Chemie (UNX)
3		water	water		18.0	60	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	10
	Total formula weight	45200.9
Non-Polymers*	Number of molecules	10
	Total formula weight	0.0
All*	Total formula weight	45200.9

*Water molecules are not included.