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MolNFT v1 · #182920 · protein

High-resolution structure of photosystem II from the mesophilic cyanobacterium, synechocystis sp. pcc 6803

7N8O · Photosystem II protein D1 2: “High-resolution structure of photosystem II from the mesophilic cyanobacterium, synechocystis sp. pcc 6803”. Electron microscopy, 15 ligands (CLA, BCR, SQD), 20 pockets (best druggability 0.89). MolNFT…

PDB
7N8O
Type
protein
Length
5,544 residues
Chains
42
Method
electron microscopy
Collection
MolNFT v1 / PDB
Contract
0xDE3723766Bc32dcACD03C17BaA400A7B36837Eba
Owner
0x3396CDB397284571d12822B4ae1189a8E22AAAAA
Molecule
Photosystem II protein D1 2; Photosystem II CP47 reaction center protein; Photosystem II…
EC
1.10.3.9
UniProt
P16033, P05429, P09193, P09192, P09190, P09191, P14835, Q54697, P73070, P15819, Q55354, P72701, P10549, P73048, P73676, P74787, Q55332, Q55013, P72575, Q55438, P73528
Ligands
CLA, BCR, SQD, LHG, LMG, DGD, PHO, PL9, HEM, OEX, BCT, RRX, CA, FE2, CL
Pockets
20 · best druggability 0.89

Structure

electron microscopy · 21 distinct chains · 55% helix, 8% strand (DSSP).

ChainMoleculeTypeResiduesSecondary structureUniProt
A, aPhotosystem II protein D1 2 (EC 1.10.3.9)protein33460% helix, 4% strandP16033
B, bPhotosystem II CP47 reaction center proteinprotein50350% helix, 11% strandP05429
C, cPhotosystem II CP43 reaction center proteinprotein45055% helix, 5% strandP09193
D, dPhotosystem II D2 protein (EC 1.10.3.9)protein34165% helix, 4% strandP09192
E, eCytochrome B559 subunit alphaprotein7854% helix, 1% strandP09190
F, fCytochrome B559 subunit betaprotein3566% helix, 0% strandP09191
H, hPhotosystem II reaction center protein Hprotein6352% helix, 3% strandP14835
I, iPhotosystem II reaction center protein Iprotein3672% helix, 0% strandQ54697
J, jPhotosystem II reaction center protein Jprotein3962% helix, 3% strandP73070
K, kPhotosystem II reaction center protein Kprotein3768% helix, 0% strandP15819
L, lPhotosystem II reaction center protein Lprotein3959% helix, 3% strandQ55354
M, mPhotosystem II reaction center protein Mprotein3171% helix, 0% strandP72701
O, oPhotosystem II manganese-stabilizing polypeptideprotein2437% helix, 45% strandP10549
Q, qSLL1638 proteinprotein11978% helix, 0% strandP73048
R, rPhotosystem II protein Yprotein3491% helix, 0% strandP73676
T, tPhotosystem II reaction center protein Tprotein3070% helix, 0% strandP74787
U, uPhotosystem II 12 kda extrinsic proteinprotein9548% helix, 4% strandQ55332
V, vCytochrome C-550protein13542% helix, 6% strandQ55013
X, xPhotosystem II reaction center X proteinprotein3882% helix, 0% strandP72575
Y, yPhotosystem II reaction center protein YCF12protein3281% helix, 0% strandQ55438
Z, zPhotosystem II reaction center protein Zprotein6088% helix, 0% strandP73528

Ligands and binding sites

  • CLA · Chlorophyll A · ligand · 70 copies · chains A, D, T, F, I, B, H, L, M, t, C, K, Y, Z, X, a, d, f, i, b, h, l, m, c, k, y, z, x
  • BCR · Beta-carotene · ligand · 18 copies · chains A, I, B, M, t, L, C, D, F, J, K, Y, Z, a, i, T, b, m, l, c, d, f, j, k, y, z
  • SQD · 1,2-di-O-acyl-3-O-[6-deoxy-6-sulfo-alpha-D-glucopyranosyl]-sn-glycerol · ligand · 14 copies · chains A, C, T, b, h, l, B, L, m, t, D, K, E, F, R, X, H, a, c, M, d, k, e, f, r, x
  • LHG · 1,2-dipalmitoyl-phosphatidyl-glycerole · ligand · 14 copies · chains B, A, D, L, M, T, C, E, F, Z, b, a, d, l, m, t, c, e, f, z
  • LMG · 1,2-distearoyl-monogalactosyl-diglyceride · ligand · 12 copies · chains A, C, I, O, b, B, D, L, M, J, K, Y, F, a, c, i, o, d, l, m, j, k, y, f
  • DGD · Digalactosyl diacyl glycerol (dgdg) · ligand · 8 copies · chains A, C, J, D, V, B, H, a, c, j, d, v, b, h
  • PHO · Pheophytin A · ligand · 4 copies · chains A, D, a, d
  • PL9 · 2,3-dimethyl-5-(3,7,11,15,19,23,27,31,35-nonamethyl-2, 6,10,14,18,22,26,30,34-hexatriacontanonaenyl-2,5-cyclohexadiene-1,4-dione-2,3-dimethyl-5-solanesyl-1,4-benzoquinone · ligand · 4 copies · chains A, D, F, X, L, T, a, d, f, x, l, t
  • HEM · Protoporphyrin IX containing Fe · ligand · 4 copies · chains E, F, R, C, V, e, f, r, c, v
  • OEX · Ca-MN4-O5 cluster · ligand · 2 copies · chains A, C, a, c
  • BCT · Bicarbonate ion · ligand · 2 copies · chains A, D, a, d
  • RRX · (3R)-beta,beta-caroten-3-ol · ligand · 2 copies · chains H, X, h, x
  • CA · Calcium ion · metal · 6 copies · chains C, K, Y, B, U, V, c, k, y, b, u, v
  • FE2 · Fe (II) ion · metal · 2 copies · chains A, D, a, d
  • CL · Chloride ion · ion · 4 copies · chains A, D, C, a, d, c
  • LMT · Dodecyl-beta-D-maltoside · additive · 62 copies · chains A, D, O, T, b, I, B, H, M, t, C, Z, E, X, F, R, J, K, L, l, m, Y, a, d, o, i, h, c, z, e, x, f, r, j, k, y

Binding sites are the residues within 4.5 Å of a ligand's heavy atoms.

Pockets

20 pockets found on a 1 Å grid, 20 with a druggability of 0.5 or more.

PocketVolume (ų)DruggabilityBuriednessLining residuesInside
19580.890.91104HEM
210220.870.8882CLA, BCR
311090.860.87114HEM
411890.860.8685CLA, BCR
511470.840.85124DGD

Interfaces

147 interfaces between chains.

  • a–d · 5451 Ų buried · 65 hydrogen bonds · protein-protein
  • A–D · 5443 Ų buried · 65 hydrogen bonds · protein-protein
  • a–c · 3281 Ų buried · 39 hydrogen bonds · protein-protein
  • A–C · 3271 Ų buried · 39 hydrogen bonds · protein-protein
  • B–D · 2997 Ų buried · 49 hydrogen bonds · protein-protein

Modifications

Observed in the structure: 8 modified (formylation).

Compared structures

  • 7N8O · High-resolution structure of photosystem II from the mesophilic cyanobacterium… · the same entry in another collection · chain F against F, TM-score 1.00

Analyse

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