SMTL ID : 1aij.2 (1 other biounit)

PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES IN THE CHARGE-NEUTRAL DQAQB STATE

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.20 Å

Oligo State

hetero-1-1-1-mer

Ligands

4 x BCL: BACTERIOCHLOROPHYLL A(Non-covalent)

BCL.1: 28 residues within 4Å: Chain A: F.97, A.124, I.125, A.127, Y.128, L.131, W.156, V.157, S.158, T.160, G.161, Y.162, N.166, F.167, H.168, H.173, A.176, I.177, F.180, S.244, A.245, C.247, M.248 Chain B: Y.210 Ligands: BCL.2, BPH.3, BCL.6, BCL.7 16 PLIP interactions: 15 interactions with chain A, 1 interactions with chain B, Hydrophobic interactions: A:F.97, A:F.97, A:F.97, A:F.97, A:A.127, A:T.160, A:Y.162, A:F.167, A:A.176, A:I.177, A:F.180, A:F.180, B:Y.210 Hydrogen bonds: A:S.244 pi-Cation interactions: A:H.173 Metal complexes: A:H.173 BCL.2: 18 residues within 4Å: Chain A: I.46, Y.128, L.131, F.146, H.153, L.154, V.157 Chain B: F.197, G.203, I.206, A.207, Y.210, G.211, L.214 Ligands: BCL.1, BPH.3, BCL.7, U10.9 13 PLIP interactions: 7 interactions with chain A, 6 interactions with chain B, Hydrophobic interactions: A:I.46, A:L.131, A:F.146, A:L.154, A:V.157, B:F.197, B:I.206, B:I.206, B:L.214 pi-Stacking: A:H.153, B:Y.210, B:Y.210 Metal complexes: A:H.153 BCL.6: 17 residues within 4Å: Chain A: H.168, M.174, I.177, S.178, F.181, T.182, L.185 Chain B: M.122, W.157, L.160, I.179, H.182, L.183, T.186 Ligands: BCL.1, BCL.7, BPH.8 7 PLIP interactions: 3 interactions with chain B, 4 interactions with chain A, Hydrophobic interactions: B:L.160, B:L.183, A:I.177, A:I.177, A:L.185 Metal complexes: B:H.182 Hydrogen bonds: A:T.182 BCL.7: 28 residues within 4Å: Chain A: V.157, Y.162, F.181 Chain B: W.66, V.126, A.153, L.156, W.157, L.160, T.186, N.187, F.189, S.190, L.196, F.197, H.202, S.205, I.206, L.209, Y.210, V.276, T.277, G.280, I.284 Ligands: BCL.1, BCL.2, BCL.6, BPH.8 20 PLIP interactions: 17 interactions with chain B, 3 interactions with chain A, Hydrophobic interactions: B:W.66, B:W.66, B:V.126, B:L.156, B:W.157, B:T.186, B:F.189, B:L.196, B:F.197, B:I.206, B:I.206, B:L.209, B:Y.210, B:V.276, B:T.277, B:I.284, A:V.157, A:F.181 Metal complexes: B:H.202 pi-Cation interactions: A:H.168

2 x BPH: BACTERIOPHEOPHYTIN A(Non-covalent)

BPH.3: 29 residues within 4Å: Chain A: F.41, A.42, G.45, I.49, A.93, F.97, W.100, E.104, I.117, A.120, F.121, A.124, Y.128, F.146, Y.148, G.149, I.150, H.153, S.237, L.238, V.241 Chain B: Y.210, A.213, L.214, M.218, W.252, M.256 Ligands: BCL.1, BCL.2 14 PLIP interactions: 11 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:I.49, A:A.120, A:F.121, A:F.121, A:A.124, A:F.146, A:Y.148, A:Y.148, A:L.238, A:V.241, B:Y.210, B:A.213, B:L.214 pi-Stacking: A:F.121 BPH.8: 22 residues within 4Å: Chain A: F.181, A.184, L.185, A.188, L.189, L.219 Chain B: S.59, L.60, G.63, A.125, V.126, W.129, T.133, T.146, A.149, F.150, A.153, A.273, V.274, T.277 Ligands: BCL.6, BCL.7 10 PLIP interactions: 4 interactions with chain A, 6 interactions with chain B Hydrophobic interactions: A:A.184, A:L.185, A:A.188, A:L.189, B:W.129, B:A.149, B:F.150, B:F.150, B:T.277 pi-Stacking: B:F.150

2 x U10: UBIQUINONE-10(Non-covalent)

U10.4: 11 residues within 4Å: Chain A: T.182, A.186, L.189, H.190, L.193, F.216, Y.222, S.223, I.224, I.229, L.232 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:T.182 Hydrogen bonds: A:I.224 Water bridges: A:G.225 pi-Stacking: A:F.216 U10.9: 18 residues within 4Å: Chain A: W.100 Chain B: L.214, M.218, H.219, T.222, I.223, A.248, A.249, W.252, M.256, F.258, N.259, A.260, T.261, M.262, I.265, W.268 Ligands: BCL.2 12 PLIP interactions: 11 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:L.214, B:M.218, B:W.252, B:F.258, B:A.260, B:I.265, B:I.265, B:W.268, B:W.268, A:W.100 Hydrogen bonds: B:T.222, B:A.260

1 x FE2: FE (II) ION(Non-covalent)

FE2.5: 5 residues within 4Å: Chain A: H.190, H.230 Chain B: H.219, E.234, H.266 5 PLIP interactions: 3 interactions with chain B, 2 interactions with chain A Metal complexes: B:H.219, B:E.234, B:H.266, A:H.190, A:H.230

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Stowell, M.H. et al., Light-induced structural changes in photosynthetic reaction center: implications for mechanism of electron-proton transfer. Science (1997)

Release Date

1997-10-22

Peptides

PHOTOSYNTHETIC REACTION CENTER (L SUBUNIT): A
PHOTOSYNTHETIC REACTION CENTER (M SUBUNIT): B
PHOTOSYNTHETIC REACTION CENTER (H SUBUNIT): C

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
R

B
S

C
T

Membrane

We predict this structure to be a membrane protein.
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PHOTOSYNTHETIC REACTION CENTER (L SUBUNIT)

PHOTOSYNTHETIC REACTION CENTER (M SUBUNIT)

PHOTOSYNTHETIC REACTION CENTER (H SUBUNIT)

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