7VA9: Rba sphaeroides PufY-KO RC-LH1 dimer type-1

Rba sphaeroides PufY-KO RC-LH1 dimer type-1. Determined by electron microscopy at 3.08 Å resolution. Released 4 May 2022.

Method
Electron microscopy
Resolution
3.08 Å
Organism
Cereibacter sphaeroides 2.4.1
Chains
64
Atoms
42,176
Mol. weight
655.81 kDa
Ligands
BCL, BPB, U10, PC1
Released
4 May 2022

Explore 7VA9 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

7VA9 contains 205 α-helices and 62 β-strands across 64 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 0, 2, 4, 8, aa, ab, b, B, e, E, g, G, j, J, n, N, p, P, r, R, t, T, v, V, x, X, z and Z: 1 helix, 0 β-strands

ElementResiduesLengthSheet
α-helix14-4532
Chains 1, 5, u, U, w, W, y and Y: 2 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix13-3725
α-helix43-508
Chains 3, 9, a, A, d, D, f, F, i, I, k, o, O and q: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix4-96
α-helix13-3725
α-helix43-508
Chain 6: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix4-96
α-helix13-3725
α-helix43-453
Chain 7: 2 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix4-96
α-helix13-3725
Chains c and C: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix15-5440
α-helix56-583
α-helix62-643
Chains h and H: 10 helices, 18 β-strands
ElementResiduesLengthSheet
β-strand7122
β-strand10122
α-helix12-3423
β-strand43114
β-strand49114
α-helix501
α-helix57-615
β-strand62-66523
β-strand71-75523
β-strand87-89324
β-strand98-100324
α-helix104-1074
α-helix110-1123
β-strand123125
β-strand129125
β-strand131-133326
β-strand141-145517
β-strand152-154326
β-strand160-1701126
β-strand175-182826
β-strand188-192526
α-helix193-1953
β-strand197-198226
β-strand203-204226
α-helix210-2134
α-helix217-2193
α-helix227-24317
α-helix251-2599
Chains K, Q, s and S: 3 helices, 0 β-strands
ElementResiduesLengthSheet
α-helix4-96
α-helix13-3725
α-helix43-519

2 more chain groups are not listed. Open the entry in the viewer and use the sequence panel to see them.

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Reaction center protein L chainL, lprotein282Cereibacter sphaeroides 2.4.1Q3J1A5 (AlphaFold model)
Reaction center protein M chainM, mprotein308Cereibacter sphaeroides 2.4.1Q3J1A6 (AlphaFold model)
Reaction center protein H chainH, hprotein260Cereibacter sphaeroides 2.4.1Q3J170 (AlphaFold model)
Light-harvesting protein B-875 alpha chain1, 3, 5, 6, 7, 9, A, D, F, I, K, O, Q, S, U, W, Y, a, d, f, i, k, o, q, s, u, w, yprotein58Cereibacter sphaeroides 2.4.1Q3J1A4 (AlphaFold model)
Light-harvesting protein B-875 beta chain0, 2, 4, 8, B, E, G, J, N, P, R, T, V, X, Z, aa, ab, b, e, g, j, n, p, r, t, v, x, zprotein49Cereibacter sphaeroides 2.4.1Q3J1A3
Intrinsic membrane protein PufXC, cprotein82Cereibacter sphaeroides 2.4.1P13402
Sequence of entity 1 (L, l), FASTA
>7VA9_1 Reaction center protein L chain (chains L, l)
MALLSFERKYRVPGGTLVGGNLFDFWVGPFYVGFFGVATFFFAALGIILIAWSAVLQGTW
NPQLISVYPPALEYGLGGAPLAKGGLWQIITICATGAFVSWALREVEICRKLGIGYHIPF
AFAFAILAYLTLVLFRPVMMGAWGYAFPYGIWTHLDWVSNTGYTYGNFHYNPAHMIAISF
FFTNALALALHGALVLSAANPEKGKEMRTPDHEDTFFRDLVGYSIGTLGIHRLGLLLSLS
AVFFSALCMIITGTIWFDQWVDWWQWWVKLPWWANIPGGING
Sequence of entity 2 (M, m), FASTA
>7VA9_2 Reaction center protein M chain (chains M, m)
MAEYQNIFSQVQVRGPADLGMTEDVNLANRSGVGPFSTLLGWFGNAQLGPIYLGSLGVLS
LFSGLMWFFTIGIWFWYQAGWNPAVFLRDLFFFSLEPPAPEYGLSFAAPLKEGGLWLIAS
FFMFVAVWSWWGRTYLRAQALGMGKHTAWAFLSAIWLWMVLGFIRPILMGSWSEAVPYGI
FSHLDWTNNFSLVHGNLFYNPFHGLSIAFLYGSALLFAMHGATILAVSRFGGERELEQIA
DRGTAAERAALFWRWTMGFNATMEGIHRWAIWMAVLVTLTGGIGILLSGTVVDNWYVWGQ
NHGMAPLN
Sequence of entity 3 (H, h), FASTA
>7VA9_3 Reaction center protein H chain (chains H, h)
MVGVTAFGNFDLASLAIYSFWIFLAGLIYYLQTENMREGYPLENEDGTPAANQGPFPLPK
PKTFILPHGRGTLTVPGPESEDRPIALARTAVSEGFPHAPTGDPMKDGVGPASWVARRDL
PELDGHGHNKIKPMKAAAGFHVSAGKNPIGLPVRGCDLEIAGKVVDIWVDIPEQMARFLE
VELKDGSTRLLPMQMVKVQSNRVHVNALSSDLFAGIPTIKSPTEVTLLEEDKICGYVAGG
LMYAAPKRKSVVAAMLAEYA
Sequence of entity 4 (1, 3, 5, 6, 7, 9, A, D, F, I, K, O, Q, S, U, W, Y, a, d, f, i, k, o, q, s, u, w, y), FASTA
>7VA9_4 Light-harvesting protein B-875 alpha chain (chains 1, 3, 5, 6, 7, 9, A, D, F, I, K, O, Q, S, U, W, Y, a, d, f, i, k, o, q, s, u, w, y)
MSKFYKIWMIFDPRRVFVAQGVFLFLLAVMIHLILLSTPSYNWLEISAAKYNRVAVAE
Sequence of entity 5 (0, 2, 4, 8, B, E, G, J, N, P, R, T, V, X, Z, aa, ab, b, e, g, j, n, p, r, t, v, x, z), FASTA
>7VA9_5 Light-harvesting protein B-875 beta chain (chains 0, 2, 4, 8, B, E, G, J, N, P, R, T, V, X, Z, aa, ab, b, e, g, j, n, p, r, t, v, x, z)
MADKSDLGYTGLTDEQAQELHSVYMSGLWLFSAVAIVAHLAVYIWRPWF
Sequence of entity 6 (C, c), FASTA
>7VA9_6 Intrinsic membrane protein PufX (chains C, c)
MADKTIFNDHLNTNPKTNLRLWVAFQMMKGAGWAGGVFFGTLLLIGFFRVVGRMLPIQEN
QAPAPNITGALETGIELIKHLV

Ligands and cofactors

IDNameFormulaCopies
BCLBacteriochlorophyll aC55 H74 Mg N4 O664
BPBBacteriopheophytin BC55 H74 N4 O64
U10Ubiquinone-10C59 H90 O44
PC11,2-diacyl-sn-glycero-3-phosphocholineC44 H88 N O8 P11
FE2FE (II) ionFe2
SPOSpheroideneC41 H60 O44
CDLCardiolipinC81 H156 O17 P22

Primary citation

Structural basis for the assembly and quinone transport mechanisms of the dimeric photosynthetic RC-LH1 supercomplex. Cao, P., Bracun, L., Yamagata, A. et al. Nat Commun (2022) 13:1977-1977. DOI 10.1038/s41467-022-29563-3 · PubMed

Other PDB entries of the same protein (UniProt Q3J1A5 (AlphaFold model), which also has an AlphaFold model), best resolution first:

Browse structure collections

About this viewer

MolViewer shows 7VA9 directly in your browser with nothing to install. Switch between cartoon, ball-and-stick, spacefill and surface views, color by chain, secondary structure or B-factor, measure distances, angles and dihedrals, and share or embed the view.