8CQD

Cryo-EM structure of hexameric proteorhodopsin A18L mutant

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... (A, B, C, E, F...)	Green-light absorbing proteorhodopsin	polymer	256	28110.9	6	UniProt (Q6J4G7) Pfam (PF01036)	uncultured Gammaproteobacteria bacterium	GPR
2	G, H, I, J, K... (A, B, C, E, F...)	RETINAL	non-polymer		284.4	6	Chemie (RET)

Sequence modifications

A, B, C, E, F, D: 1 - 250 (UniProt: Q6J4G7)

PDB	External Database	Details
Leu 18	Ala 18	engineered mutation
Gly 251	-	expression tag
His 252	-	expression tag
His 253	-	expression tag
His 254	-	expression tag
His 255	-	expression tag
His 256	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	6
	Total formula weight	168665.1
Non-Polymers*	Number of molecules	6
	Total formula weight	1706.6
All*	Total formula weight	170371.7

*Water molecules are not included.