1LGH: Light harvesting complex II

Name: PDB 1LGH: Crystal structure of the light-harvesting complex II (B800-850) from rhodospirillum molischianum
Published: 1997-06-05
License: https://creativecommons.org/publicdomain/zero/1.0/
Keywords: light harvesting complex

Crystal structure of the light-harvesting complex II (B800-850) from rhodospirillum molischianum. Determined by X-ray diffraction at 2.4 Å resolution. Released 5 Jun 1997.

Method: X-ray diffraction
Resolution: 2.4 Å
Organism: Phaeospirillum molischianum
Chains: 8
Atoms: 4,488
Mol. weight: 63.49 kDa
Ligands: HTO, DET, LYC, BCL
Released: 5 Jun 1997

Explore 1LGH in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1LGH contains 24 α-helices and 0 β-strands across 8 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chains A, D, G and J: 5 helices, 0 β-strands

Element	Residues	Length
α-helix	4-8	5
α-helix	9-12	4
α-helix	15-39	25
α-helix	41-43	3
α-helix	45-55	11

Chains B, E, H and K: 1 helix, 0 β-strands

Element	Residues	Length	Sheet
α-helix	10-41	32

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Light harvesting complex II	A, D, G, J	protein	56	Phaeospirillum molischianum	P97253 (AlphaFold model)
Light harvesting complex II	B, E, H, K	protein	45	Phaeospirillum molischianum	P95673 (AlphaFold model)

Sequence of entity 1 (A, D, G, J), FASTA

>1LGH_1 LIGHT HARVESTING COMPLEX II (chains A, D, G, J)
SNPKDDYKIWLVINPSTWLPVIWIVATVVAIAVHAAVLAAPGFNWIALGAAKSAAK

Sequence of entity 2 (B, E, H, K), FASTA

>1LGH_2 LIGHT HARVESTING COMPLEX II (chains B, E, H, K)
AERSLSGLTEEEAIAVHDQFKTTFSAFIILAAVAHVLVWVWKPWF

Ligands and cofactors

ID	Name	Formula	Copies
HTO	Heptane-1,2,3-triol	C7 H16 O3	24
DET	Undecylamine-n,n-dimethyl-N-oxide	C13 H29 N O	12
LYC	Lycopene	C40 H56	4
BCL	Bacteriochlorophyll a	C55 H74 Mg N4 O6	12

Primary citation

The crystal structure of the light-harvesting complex II (B800-850) from Rhodospirillum molischianum. Koepke, J., Hu, X., Muenke, C. et al. Structure (1996) 4:581-597. DOI 10.1016/S0969-2126(96)00063-9 · PubMed

Other PDB entries of the same protein (UniProt P97253 (AlphaFold model), which also has an AlphaFold model), best resolution first:

8FB9 6.4 Å, LH2-LH3 antenna in anti parallel configuration embedded in a nanodisc
7TUW 8.2 Å, LH2-LH3 antenna in anti parallel configuration embedded in a nanodisc
8FBB 11.3 Å, LH2-LH3 antenna in parallel configuration embedded in a nanodisc
7TV3 11.4 Å, LH2-LH3 antenna in parallel configuration embedded in a nanodisc

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1LGH is part of these collections:

Photosynthesis

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