3CBR

Crystal structure of human Transthyretin (TTR) at pH3.5

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Transthyretin	polymer	127	13777.4	2	UniProt (P02766) Pfam (PF00576)	Homo sapiens (Human)	Prealbumin, TBPA, TTR, ATTR
2	C, D (A, B)	water	water		18.0	254	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	27554.7
All*	Total formula weight	27554.7

*Water molecules are not included.