9GO1

C1C2 Channelrhodopsin - SMX Dark structure

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Archaeal-type opsin 1,Archaeal-type opsin 2	polymer	333	37442.0	1	UniProt (Q93WP2) UniProt (Q8RUT8)	Chlamydomonas reinhardtii (Chlamydomonas smithii)	Channelopsin-1,Retinal binding protein,Sensory opsin B
2	B, C, D, E, F... (A)	(2R)-2,3-dihydroxypropyl (9Z)-octadec-9-enoate	non-polymer		356.5	9	Chemie (OLC) PubChem (25021708) PubChem (46840179) PubChem (54294271) PubChem (54294270) PubChem (5283468) PubChem (5364833) PubChem (33022) PubChem (11451146) PubChem (12178130)
3	K (A)	RETINAL	non-polymer		284.4	1	Chemie (RET) PubChem (1070) PubChem (23254473) PubChem (177675058) PubChem (638015) PubChem (5353924) PubChem (6436079) PubChem (6436082) PubChem (87082476) PubChem (87110449) PubChem (87110609) PubChem (88398773) PubChem (88407543) PubChem (11426127) PubChem (12227253) PubChem (12227254) PubChem (12227256) PubChem (12227257) PubChem (12227258) PubChem (12227259) PubChem (12227269) PubChem (12227270) PubChem (12227271) PubChem (5280490) PubChem (5381765) PubChem (134688327) PubChem (140510408) PubChem (145826762) PubChem (169423542) PubChem (172878320)
4	L (A)	water	water		18.0	13	Chemie (HOH)

Sequence modifications

A: 24 - 245 (UniProt: Q93WP2)
A: 246 - 348 (UniProt: Q8RUT8)

PDB	External Database	Details
Ser 349	-	expression tag
Ser 350	-	expression tag
Glu 351	-	expression tag
Asp 352	-	expression tag
Leu 353	-	expression tag
Tyr 354	-	expression tag
Phe 355	-	expression tag
Gln 356	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	37442.0
Non-Polymers*	Number of molecules	10
	Total formula weight	3493.3
All*	Total formula weight	40935.3

*Water molecules are not included.