5YQ7

Cryo-EM structure of the RC-LH core complex from Roseiflexus castenholzii

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C, E, F... (E, B, 0, 8, 6...)	Beta subunit of light-harvesting 1	polymer	55	6431.5	15	UniProt (Q83XD2) Pfam (PF00556)	Roseiflexus castenholzii
2	D (L)	Precursor for L subunits of photosynthetic reaction center	polymer	310	34432.7	1	UniProt (Q83XD0) Pfam (PF00124)	Roseiflexus castenholzii
3	J (C)	Cytochrome subunit of photosynthetic reaction center	polymer	320	34923.0	1	UniProt (Q83XC9) Pfam (PF02276)	Roseiflexus castenholzii
4	AA, BA, CA, DA, EA... (T, V, R, P, N...)	Alpha subunit of light-harvesting 1	polymer	42	4724.7	15	UniProt (Q83XD1)	Roseiflexus castenholzii
5	GA (Y)	Peptide from Precursor for L and M subunits of photosynthetic reaction center	polymer	25	2145.6	1		Roseiflexus castenholzii
6	HA (X)	Subunit X	polymer	23	1975.4	1		Roseiflexus castenholzii
7	IA (M)	Precursor for M subunits of photosynthetic reaction center	polymer	306	34949.0	1	UniProt (Q83XD0) Pfam (PF00124)	Roseiflexus castenholzii
8	AB, AC, AD, BB, BC... (2, R, M, K, P...)	BACTERIOCHLOROPHYLL A	non-polymer		911.5	48	Chemie (BCL)
9	BD, CD, RA (M, L)	BACTERIOPHEOPHYTIN A	non-polymer		889.2	3	Chemie (BPH)
10	SA, ZC (L, M)	2-methyl-3-[(2E,6E,10E,14E,18E,22E,26E,30E,34E,38E)-3,7,11,15,19,23,27,31,35,39,43-undecamethyltetratetraconta-2,6,10,1 4,18,22,26,30,34,38,42-undecaen-1-yl]naphthalene-1,4-dione	non-polymer		921.5	2	Chemie (MQE)
11	DB, EB, FB, GB (C)	PROTOPORPHYRIN IX CONTAINING FE	non-polymer		616.5	4	Chemie (HEM)
12	CC, DC, FC, IC, JC... (N, J, H, F, A...)	beta,psi-caroten-4-one	non-polymer		550.9	14	Chemie (KGD)
13	YC (M)	FE (III) ION	non-polymer		55.8	1	Chemie (FE)

Contents of the asymmetric unit

Polymers	Number of chains	35
	Total formula weight	275768.6
Non-Polymers*	Number of molecules	72
	Total formula weight	58496.5
All*	Total formula weight	334265.1

*Water molecules are not included.