5SUR

X-ray crystallographic structure of a covalent trimer derived from A-beta 17_36. Synchrotron data set. (ORN)CVF(MEA)CED(ORN)AIIGL(ORN)V.

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, D (A, B, C, D)	16mer A-beta peptide: ORN-CYS-VAL-PHE-MEA-CYS-GLU-ASP-ORN-ALA-ILE-ILE-GLY-LEU-ORN-VAL	polymer	16	1785.2	4		Homo sapiens
2	E, L (A, D)	SODIUM ION	non-polymer		23.0	2	Chemie (NA)
3	F, G, I, J (A, C)	HEXANE-1,6-DIOL	non-polymer		118.2	4	Chemie (HEZ)
4	H, K (C, D)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
5	M, N, O, P (A, B, C, D)	water	water		18.0	35	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	7140.7
Non-Polymers*	Number of molecules	8
	Total formula weight	589.6
All*	Total formula weight	7730.3

*Water molecules are not included.