1X0S

Crystal structure of the 13-cis isomer of bacteriorhodopsin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Bacteriorhodopsin	polymer	248	26814.4	1	UniProt (P02945) Pfam (PF01036)	Halobacterium salinarum	BR
2	B (B)	beta-D-galactopyranose-(1-6)-alpha-D-mannopyranose-(1-2)-alpha-D-glucopyranose	branched		504.4	1	In PDB GlyTouCan (G59827MO)
3	C (A)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	D (A)	RETINAL	non-polymer		284.4	1	Chemie (RET) PubChem (1070) PubChem (23254473) PubChem (177675058) PubChem (638015) PubChem (87082476) PubChem (87110449) PubChem (87110609) PubChem (88398773) PubChem (88407543) PubChem (5280490) PubChem (5353924) PubChem (5381765) 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 (134688327) PubChem (140510408) PubChem (145826762) PubChem (169423542) PubChem (172878320)
5	E, G, H, I (A)	2,3-DI-O-PHYTANLY-3-SN-GLYCERO-1-PHOSPHORYL-3'-SN-GLYCEROL-1'-PHOSPHATE	non-polymer		885.2	4	Chemie (L3P) PubChem (17754059) PubChem (46936336) PubChem (5288684)
6	F (A)	2,3-DI-PHYTANYL-GLYCEROL	non-polymer		653.2	1	Chemie (L2P) PubChem (17754058) PubChem (417493) PubChem (46936742) PubChem (446373) PubChem (53932567) PubChem (87094554) PubChem (88663197) PubChem (88663201) PubChem (5287700) PubChem (87572051) PubChem (12905054) PubChem (11017738) PubChem (12905061) PubChem (162951859) PubChem (166638144) PubChem (168974727) PubChem (166638149) PubChem (169744378)
7	J (A)	water	water		18.0	42	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	26814.4
Branched	Number of molecules	1
	Total formula weight	504.4
Non-Polymers*	Number of molecules	7
	Total formula weight	4574.4
All*	Total formula weight	31893.2

*Water molecules are not included.