3CAP

Crystal Structure of Native Opsin: the G Protein-Coupled Receptor Rhodopsin in its Ligand-free State

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Rhodopsin	polymer	348	39031.5	2	UniProt (P02699) Pfam (PF10413) Pfam (PF00001) In PDB	Bos taurus (bovine)
2	C, E	beta-D-mannopyranose-(1-3)-beta-D-mannopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		748.7	2	In PDB GlyTouCan (G31886NL)
3	D, F	2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose	branched		424.4	2	In PDB GlyTouCan (G42666HT)
4	A, B	2-O-octyl-beta-D-glucopyranose	non-polymer		292.4	6	Chemie (BGL)
5	A, B	PALMITIC ACID	non-polymer		256.4	2	Chemie (PLM)
6		water	water		18.0	10	Chemie (HOH)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	78062.9
Branched	Number of molecules	4
	Total formula weight	2346.2
Non-Polymers*	Number of molecules	8
	Total formula weight	2267.1
All*	Total formula weight	82676.1

*Water molecules are not included.