1OA8

AXH domain of human spinocerebellar ataxin-1

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)	ATAXIN-1	polymer	133	14428.3	4	UniProt (P54253) Pfam (PF08517)	HOMO SAPIENS (HUMAN)	SPINOCEREBELLAR ATAXIA TYPE 1 PROTEIN
2	E, F, G (A, C, D)	SODIUM ION	non-polymer		23.0	3	Chemie (NA)
3	H, I, J, K (A, B, C, D)	water	water		18.0	378	Chemie (HOH)

Sequence modifications

A, B, C, D: 562 - 562 (PDB: 1OA8)
A, B, C, D: 563 - 694 (UniProt: P54253)

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	57713.4
Non-Polymers*	Number of molecules	3
	Total formula weight	69.0
All*	Total formula weight	57782.3

*Water molecules are not included.