1AAP

X-RAY CRYSTAL STRUCTURE OF THE PROTEASE INHIBITOR DOMAIN OF ALZHEIMER'S AMYLOID BETA-PROTEIN PRECURSOR

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	ALZHEIMER'S DISEASE AMYLOID A4 PROTEIN	polymer	58	6420.1	2	UniProt (P05067) Pfam (PF00014) In PDB	Homo sapiens (human)
2		water	water		18.0	105	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	12840.3
All*	Total formula weight	12840.3

*Water molecules are not included.