6SU4

Crystal structure of the 48C12 heliorhodopsin in the blue form at pH 4.3

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (X, A)	48C12 heliorhodopsin	polymer	264	29097.2	2	UniProt (by SIFTS) (A0A2R4S913)	Actinobacteria bacterium
2	C, X (X, A)	ACETATE ION	non-polymer		59.0	2	Chemie (ACT) PubChem (175)
3	AA, BA, D (A, X)	OLEIC ACID	non-polymer		282.5	3	Chemie (OLA) PubChem (965) PubChem (445639) PubChem (637517)
4	E (X)	GLYCEROL	non-polymer		92.1	1	Chemie (GOL) PubChem (753)
5	F, G, Y, Z (X, A)	(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate	non-polymer		356.5	4	Chemie (OLC) PubChem (25021708) PubChem (46840179) PubChem (54294271) PubChem (54294270) PubChem (33022) PubChem (5283468) PubChem (5364833) PubChem (11451146) PubChem (12178130)
6	CA, DA, EA, FA, GA... (A, X)	EICOSANE	non-polymer		282.5	23	Chemie (LFA) PubChem (8222)
7	LA, V (A, X)	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
8	MA, W (A, X)	RETINAL	non-polymer		284.4	2	Chemie (RET) PubChem (23254473) PubChem (177675058) PubChem (5280490) PubChem (5381765) PubChem (1070) PubChem (87082476) PubChem (87110449) PubChem (87110609) PubChem (88398773) PubChem (88407543) PubChem (638015) PubChem (5353924) PubChem (6436079) PubChem (6436082) PubChem (134688327) PubChem (11426127) PubChem (12227253) PubChem (12227254) PubChem (12227256) PubChem (12227257) PubChem (12227258) PubChem (12227259) PubChem (12227269) PubChem (12227270) PubChem (12227271) PubChem (140510408) PubChem (145826762) PubChem (169423542) PubChem (172878320)
9	NA, OA (X, A)	water	water		18.0	160	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	58194.4
Non-Polymers*	Number of molecules	37
	Total formula weight	9743.3
All*	Total formula weight	67937.7

*Water molecules are not included.