5FJV

Crystal structure of the extracellular domain of alpha2 nicotinic acetylcholine receptor in pentameric assembly

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, E	NEURONAL ACETYLCHOLINE RECEPTOR SUBUNIT ALPHA-2	polymer	213	25090.4	5	UniProt (Q15822) Pfam (PF02931) In PDB	HOMO SAPIENS (HUMAN)	ALPHA2 ECD NACHR
2	A, B, C, D, E	EPIBATIDINE	non-polymer		208.7	5	Chemie (EPJ)

Sequence modifications

A, B, C, D, E: 33 - 239 (UniProt: Q15822)

PDB	External Database	Details
His 240	-	expression tag
His 241	-	expression tag
His 242	-	expression tag
His 243	-	expression tag
His 244	-	expression tag
His 245	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	5
	Total formula weight	125452.0
Non-Polymers*	Number of molecules	5
	Total formula weight	1043.4
All*	Total formula weight	126495.4

*Water molecules are not included.