8B64

Cryo-EM structure of RC-LH1-PufX photosynthetic core complex from Rba. capsulatus

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, AA, B, D, DA... (a, e, b, d, t...)	Light-harvesting protein B-870 alpha chain	polymer	58	6600.9	15	UniProt (P02948) Pfam (PF00556)	Rhodobacter capsulatus	Antenna pigment protein alpha chain,LH-1
2	BA, C, CA, E, F... (D, A, E, B, S...)	LH1 beta chain	polymer	49	5470.3	15	UniProt (P02950) Pfam (PF00556)	Rhodobacter capsulatus
3	G (X)	Intrinsic membrane protein PufX	polymer	78	8574.9	1	UniProt (P26240) Pfam (PF11511)	Rhodobacter capsulatus	Protein C2397
4	H (L)	Reaction center protein L chain	polymer	282	31586.8	1	UniProt (P19057) Pfam (PF00124)	Rhodobacter capsulatus	Photosynthetic reaction center L subunit
5	I (M)	Reaction center protein M chain	polymer	307	34462.6	1	UniProt (P11847) Pfam (PF00124)	Rhodobacter capsulatus	Photosynthetic reaction center M subunit
6	J (H)	Reaction center protein H chain	polymer	254	28569.6	1	UniProt (P19056) Pfam (PF03967) Pfam (PF05239)	Rhodobacter capsulatus	Photosynthetic reaction center H subunit
7	AC, BB, BD, CC, DC... (r, M, F, O, f...)	BACTERIOCHLOROPHYLL A	non-polymer		911.5	34	Chemie (BCL)
8	AD, BC, CD, EB, EC... (F, r, G, M, O...)	SPHEROIDENE	non-polymer		568.9	27	Chemie (SPO)
9	IB, WA (M, L)	BACTERIOPHEOPHYTIN A	non-polymer		889.2	2	Chemie (BPH)
10	DB, XA, YA, ZA (M, L)	UBIQUINONE-10	non-polymer		863.3	4	Chemie (U10)
11	AB, GB, JB, KB, LB... (L, M, H, d)	1,2-Distearoyl-sn-glycerophosphoethanolamine	non-polymer		748.1	7	Chemie (3PE)
12	CB (M)	FE (III) ION	non-polymer		55.8	1	Chemie (FE)

Contents of the asymmetric unit

Polymers	Number of chains	34
	Total formula weight	284262.3
Non-Polymers*	Number of molecules	75
	Total formula weight	56875.9
All*	Total formula weight	341138.2

*Water molecules are not included.