SMTL ID : 2rcr.1

STRUCTURE OF THE MEMBRANE-BOUND PROTEIN PHOTOSYNTHETIC REACTION CENTER FROM RHODOBACTER SPHAEROIDES

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.10 Å

Oligo State

hetero-1-1-1-mer

Ligands

4 x BCL: BACTERIOCHLOROPHYLL A(Non-covalent)

BCL.1: 20 residues within 4Å: Chain A: F.97, A.124, A.127, Y.128, W.156, V.157, S.158, Y.162, H.168, H.173, I.177, F.180, V.241, S.244, M.248 Chain B: Y.210 Ligands: BCL.2, BPH.3, BCL.6, BCL.7 13 PLIP interactions: 12 interactions with chain A, 1 interactions with chain B, Hydrophobic interactions: A:F.97, A:A.127, A:Y.128, A:W.156, A:V.157, A:Y.162, A:I.177, A:F.180, A:F.180, B:Y.210 Hydrogen bonds: A:S.244 pi-Stacking: A:F.167 pi-Cation interactions: A:H.173 BCL.2: 14 residues within 4Å: Chain A: Y.128, F.146, H.153, L.154, V.157 Chain B: F.197, G.203, A.207, F.208, L.214, M.272 Ligands: BCL.1, BPH.3, BCL.7 7 PLIP interactions: 3 interactions with chain B, 4 interactions with chain A, Hydrophobic interactions: B:F.197, B:F.208, B:L.214, A:Y.128, A:F.146, A:V.157 Metal complexes: A:H.153 BCL.6: 18 residues within 4Å: Chain A: H.168, M.174, I.177, S.178, T.182, V.220 Chain B: M.122, W.157, L.160, V.175, H.182, L.183, W.185, T.186 Ligands: BCL.1, UQ.4, BCL.7, BPH.8 9 PLIP interactions: 7 interactions with chain B, 2 interactions with chain A, Hydrophobic interactions: B:W.157, B:L.160, B:V.175, B:L.183, B:W.185, A:I.177, A:I.177 pi-Cation interactions: B:H.182 Metal complexes: B:H.182 BCL.7: 25 residues within 4Å: Chain A: V.157, F.181 Chain B: M.122, F.150, 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, Y.210, T.277, G.280, I.284 Ligands: BCL.1, BCL.2, BCL.6, BPH.8 12 PLIP interactions: 11 interactions with chain B, 1 interactions with chain A, Hydrophobic interactions: B:F.150, B:L.156, B:L.156, B:W.157, B:F.189, B:L.196, B:F.197, B:I.206, B:I.206, A:F.181 pi-Stacking: B:H.202 Metal complexes: B:H.202

2 x BPH: BACTERIOPHEOPHYTIN A(Non-covalent)

BPH.3: 23 residues within 4Å: Chain A: F.41, A.42, G.45, I.49, F.97, W.100, E.104, I.117, A.120, F.121, Y.148, I.150, S.237 Chain B: Y.210, A.213, L.214, A.217, M.218, W.252, M.256 Ligands: BCL.1, BCL.2, UQ.9 10 PLIP interactions: 7 interactions with chain A, 3 interactions with chain B Hydrophobic interactions: A:A.42, A:I.49, A:F.97, A:A.120, A:F.121, A:F.121, A:Y.148, B:Y.210, B:A.213, B:A.217 BPH.8: 18 residues within 4Å: Chain A: F.181, A.184, L.185, L.189, F.216 Chain B: S.59, F.67, V.126, W.129, T.133, T.146, A.149, F.150, A.153, A.273 Ligands: UQ.4, BCL.6, BCL.7 14 PLIP interactions: 11 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:F.67, B:F.67, B:W.129, B:W.129, B:A.149, B:F.150, B:F.150, B:F.150, B:A.153, B:A.273, A:L.185, A:L.185, A:L.189 Hydrogen bonds: B:T.133

2 x UQ: Coenzyme Q10, (2Z,6E,10Z,14E,18E,22E,26Z)-isomer(Non-covalent)

UQ.4: 15 residues within 4Å: Chain A: L.185, H.190, L.193, V.194, E.212, F.216, V.220, S.223, I.224, I.229 Chain B: L.52, L.60, W.129 Ligands: BCL.6, BPH.8 6 PLIP interactions: 5 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:L.185, A:F.216, A:I.229, A:I.229, B:W.129 Hydrogen bonds: A:E.212 UQ.9: 17 residues within 4Å: Chain A: F.29 Chain B: L.214, M.218, T.222, I.223, A.245, A.249, W.252, M.256, F.258, N.259, A.260, T.261, M.262, I.265, W.268 Ligands: BPH.3 11 PLIP interactions: 10 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:L.214, B:L.214, B:T.222, B:M.256, B:F.258, B:A.260, B:I.265, B:W.268, A:F.29 Hydrogen bonds: B:T.222, B:A.260

1 x FE: FE (III) ION(Non-covalent)

FE.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

Chang, C.H. et al., Structure of the membrane-bound protein photosynthetic reaction center from Rhodobacter sphaeroides. Biochemistry (1991)

Release Date

1993-07-15

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
L

B
M

C
H

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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