PDB ID or protein name

1l9b » Photosynthetic reaction center, complex with cytochrome c

1l9b » Photosynthetic reaction center, complex with cytochrome c
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Topology in Bacterial Gram-negative inner membrane
Topologyout side
in side
1l9b » Photosynthetic reaction center, complex with cytochrome c
Hydrophobic Thickness 31.6 ± 0.8 Å
Tilt Angle 3 ± 0°
ΔGtransfer -127.3 kcal/mol
Links to 1l9b PDB Sum, PDB, SCOP, MSD, OCA, MMDB
Topology subunit L (N-terminus in)
Resolution 2.40 Å
Other PDB entries representing this structure 1l9j
Number of TM Secondary Structures 11
3 transmembrane subunits
L - Tilt: 11° - Segments: 1(31-53), 2(84-106), 3(116-138), 4(167-192), 5(228-251)
M - Tilt: 14° - Segments: 1(54-75), 2(112-135), 3(145-167), 4(196-222), 5(265-287)
H - Tilt: 23° - Segments: 1(12-33)
Experimental Verification for 1l9b » Photosynthetic reaction center, complex with cytochrome c
Hydrophobic thicknesses of photosynthetic reaction centers from Rhodopseudomonas sphaeroides are about 30 Å (Riegler and Mohwald 1986, Roth et al. 1991) or close to 35 Å (Pape et al. 1974).
3 references
Pape EH, Menke W, Weick D, and Hoseman R (1974) Small-angle X-ray scattering of the thylakoid membranes of Rhodobacter sphaeroides in aqueous solution. Biophys. J. 14: 221. PubMed
Riegler J, and Mohwald H (1986) Elastic interactions of photosynthetic reaction center proteins affecting phase transitions and protein distributions. Biophys. J. 49: 1111-1118.
Roth M, Arnoux B, Ducruix A, and Reiss-Husson F (1991) Structure of the detergent phase and protein-detergent interactions in crystals of the wild-type (strain Y) Rhodobacter sphaeroides photochemical reaction center. Biochemistry 30: 9403-9413. PubMed
Comments on 1l9b » Photosynthetic reaction center, complex with cytochrome c
Loop to helix transition in 50-residue N-terminal part of subunit M in this structure compare to other structures of photosynthetic reaction centers.