9JTQ

Crystal structure of the light-driven proton pump heimdallarchaeial rhodopsin HeimdallR1

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Rhodopsin	polymer	254	29182.1	1	UniProt (A0A2E9CEV6) UniProt (by SIFTS) (A0ACD6BA00)	Candidatus Heimdallarchaeota archaeon
2	B (A)	RETINAL	non-polymer		284.4	1	Chemie (RET) PubChem (1070) PubChem (638015) PubChem (5353924) PubChem (6436079) PubChem (6436082) PubChem (11426127) PubChem (12227253) PubChem (12227254) PubChem (12227256) PubChem (12227257) PubChem (12227258) PubChem (12227259) PubChem (12227269) PubChem (12227270) PubChem (12227271) PubChem (23254473) PubChem (177675058) PubChem (5280490) PubChem (5381765) PubChem (87082476) PubChem (87110449) PubChem (87110609) PubChem (88398773) PubChem (88407543) PubChem (134688327) PubChem (140510408) PubChem (145826762) PubChem (169423542) PubChem (172878320)
3	C, D, F (A)	(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate	non-polymer		356.5	3	Chemie (OLC) PubChem (5283468) PubChem (5364833) PubChem (11451146) PubChem (12178130) PubChem (25021708) PubChem (46840179) PubChem (54294270) PubChem (33022) PubChem (54294271)
4	E, G (A)	NITRATE ION	non-polymer		62.0	2	Chemie (NO3) PubChem (943)
5	H (A)	water	water		18.0	115	Chemie (HOH)

Sequence modifications

A: 1 - 246 (UniProt: A0A2E9CEV6)

PDB	External Database	Details
Leu 247	-	expression tag
Glu 248	-	expression tag
His 249	-	expression tag
His 250	-	expression tag
His 251	-	expression tag
His 252	-	expression tag
His 253	-	expression tag
His 254	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	29182.1
Non-Polymers*	Number of molecules	6
	Total formula weight	1478.1
All*	Total formula weight	30660.2

*Water molecules are not included.