Function and Biology

E(L212)A,D(L213)A Double Mutant Structure of Photosynthetic Reaction Center from Rhodobacter Sphaeroides

Source organism: Luteovulum sphaeroides
Biochemical function: bacteriochlorophyll binding
Biological process: photosynthesis
Cellular component: plasma membrane light-harvesting complex

Sequence families

Pfam Protein families (Pfam)
PF00124
Domain description: Photosynthetic reaction centre protein
Occurring in:
  1. Reaction center protein L chain
  2. Reaction center protein M chain
1 copy of Pfam domain PF00124 (Photosynthetic reaction centre protein) in Reaction center protein L chain in PDB 1k6n.
2 copies of Pfam domain PF00124 (Photosynthetic reaction centre protein) in Reaction center protein M chain in PDB 1k6n.

PF03967
Domain description: Photosynthetic reaction centre, H-chain N-terminal region
Occurring in:
  1. Reaction center protein H chain
1 copy of Pfam domain PF03967 (Photosynthetic reaction centre, H-chain N-terminal region) in Reaction center protein H chain in PDB 1k6n.

PF05239
Domain description: PRC-barrel domain
Occurring in:
  1. Reaction center protein H chain
1 copy of Pfam domain PF05239 (PRC-barrel domain) in Reaction center protein H chain in PDB 1k6n.

InterPro InterPro annotations
IPR000484
Domain description: Photosynthetic reaction centre, L/M
Occurring in:
  1. Reaction center protein L chain
  2. Reaction center protein M chain
IPR036854
Domain description: Photosystem II protein D1/D2 superfamily
Occurring in:
  1. Reaction center protein L chain
  2. Reaction center protein M chain
IPR005652
Domain description: Photosynthetic reaction centre, H subunit
Occurring in:
  1. Reaction center protein H chain
IPR005781
Domain description: Photosynthetic reaction centre, M subunit
Occurring in:
  1. Reaction center protein M chain
IPR015810
Domain description: Photosynthetic reaction centre, H subunit, N-terminal
Occurring in:
  1. Reaction center protein H chain
IPR011033
Domain description: PRC-barrel-like superfamily
Occurring in:
  1. Reaction center protein H chain
IPR037097
Domain description: Photosynthetic reaction centre, H subunit, N-terminal domain superfamily
Occurring in:
  1. Reaction center protein H chain
IPR014747
Domain description: Bacterial photosynthetic reaction centre, H-chain, C-terminal
Occurring in:
  1. Reaction center protein H chain
IPR005871
Domain description: Photosynthetic reaction centre, L subunit
Occurring in:
  1. Reaction center protein L chain
IPR027275
Domain description: PRC-barrel domain
Occurring in:
  1. Reaction center protein H chain

Structure domains

CATH CATH domains
1.20.85.10
Class: Mainly Alpha
Architecture: Up-down Bundle
Topology: Photosynthetic Reaction Center, subunit M; domain 1
Homology: Photosystem II protein D1-like
Occurring in:
  1. Reaction center protein L chain
  2. Reaction center protein M chain
2 copies of CATH domain 1.20.85.10 (Photosynthetic Reaction Center, subunit M; domain 1) in Reaction center protein L chain in PDB 1k6n.
4 copies of CATH domain 1.20.85.10 (Photosynthetic Reaction Center, subunit M; domain 1) in Reaction center protein M chain in PDB 1k6n.
3.90.50.10
Class: Alpha Beta
Architecture: Alpha-Beta Complex
Topology: Photosynthetic Reaction Center; Chain H, domain 2
Homology: Photosynthetic Reaction Center, subunit H, domain 2
Occurring in:
  1. Reaction center protein H chain
1 copy of CATH domain 3.90.50.10 (Photosynthetic Reaction Center; Chain H, domain 2) in Reaction center protein H chain in PDB 1k6n.
4.10.540.10
Class: Few Secondary Structures
Architecture: Irregular
Topology: Photosynthetic Reaction Center; Chain H, domain 1
Homology: Photosynthetic reaction centre, H subunit, N-terminal domain
Occurring in:
  1. Reaction center protein H chain
1 copy of CATH domain 4.10.540.10 (Photosynthetic Reaction Center; Chain H, domain 1) in Reaction center protein H chain in PDB 1k6n.
SCOP SCOP annotations
81482
Class: Membrane and cell surface proteins and peptides
Fold: Bacterial photosystem II reaction centre, L and M subunits
Superfamily: Bacterial photosystem II reaction centre, L and M subunits
Occurring in:
  1. Reaction center protein L chain
  2. Reaction center protein M chain
1 copy of SCOP domain 81482 (Bacterial photosystem II reaction centre, L and M subunits) in Reaction center protein L chain in PDB 1k6n.
2 copies of SCOP domain 81482 (Bacterial photosystem II reaction centre, L and M subunits) in Reaction center protein M chain in PDB 1k6n.
50347
Class: All beta proteins
Fold: PRC-barrel domain
Superfamily: PRC-barrel domain
Occurring in:
  1. Reaction center protein H chain
1 copy of SCOP domain 50347 (Photosynthetic reaction centre, H-chain, cytoplasmic domain) in Reaction center protein H chain in PDB 1k6n.
81489
Class: Membrane and cell surface proteins and peptides
Fold: Single transmembrane helix
Superfamily: Photosystem II reaction centre subunit H, transmembrane region
Occurring in:
  1. Reaction center protein H chain
1 copy of SCOP domain 81489 (Photosystem II reaction centre subunit H, transmembrane region) in Reaction center protein H chain in PDB 1k6n.