6HY7

Crystal structure of alpha9 nAChR extracellular domain in complex with alpha-conotoxin RgIA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Neuronal acetylcholine receptor subunit alpha-9	polymer	218	25307.0	1	UniProt (Q9UGM1) Pfam (PF02931) In PDB	Homo sapiens (Human)	Nicotinic acetylcholine receptor subunit alpha-9,NACHR alpha-9
2	B	Alpha-conotoxin RgIA	polymer	13	1577.9	1	UniProt (P0C1D0) In PDB	Conus regius
3	A	2-acetamido-2-deoxy-beta-D-glucopyranose	non-polymer		221.2	2	Chemie (NAG)
4	A	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
5		water	water		18.0	50	Chemie (HOH)

Sequence modifications

A: 1 - 212 (UniProt: Q9UGM1)

PDB	External Database	Details
His 213	-	expression tag
His 214	-	expression tag
His 215	-	expression tag
His 216	-	expression tag
His 217	-	expression tag
His 218	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	26884.9
Non-Polymers*	Number of molecules	3
	Total formula weight	504.5
All*	Total formula weight	27389.4

*Water molecules are not included.