2ITA: PufX from Rhodobacter sphaeroides

Solution structure of PufX from Rhodobacter sphaeroides. Determined by solution NMR. Released 26 Dec 2006.

Method: Solution NMR
Organism: Rhodobacter sphaeroides
Chains: 1
Atoms: 542
Mol. weight: 7.71 kDa
Released: 26 Dec 2006

Explore 2ITA in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2ITA contains 5 α-helices and 0 β-strands across 1 chain. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 5 helices, 0 β-strands

Element	Residues	Length
α-helix	15-28	14
α-helix	30-34	5
α-helix	35-39	5
α-helix	40-51	12
α-helix	56-59	4

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Intrinsic membrane protein pufX	A	protein	70	Rhodobacter sphaeroides	P13402 (AlphaFold model)

Sequence of entity 1 (A), FASTA

>2ITA_1 Intrinsic membrane protein pufX (chains A)
MADKTIFNDHLNTNPKTNLRLWVAFQMMKGAGWAGGVFFGTLLLIGFFRVVGRMLPIQEN
QAPAPNITGA

Primary citation

The solution structure of the PufX polypeptide from Rhodobacter sphaeroides. Tunnicliffe, R.B., Ratcliffe, E.C., Hunter, C.N. et al. FEBS Lett (2006) 580:6967-6971. DOI 10.1016/j.febslet.2006.11.065 · PubMed

Other PDB entries of the same protein (UniProt P13402 (AlphaFold model), which also has an AlphaFold model), best resolution first:

7PIL 2.5 Å, Cryo-EM structure of the Rhodobacter sphaeroides RC-LH1-PufXY monomer complex at 2.5 A
7VY3 2.63 Å, Structure of photosynthetic LH1-rc super-complex of rhodobacter sphaeroides lacking…
7VOR 2.74 Å, The structure of dimeric photosynthetic RC-LH1 supercomplex in Class-1
7VNY 2.79 Å, Rba sphaeroides WT RC-LH1 monomer
7VNM 2.86 Å, Rba sphaeroides PufY-KO RC-LH1 monomer
7VOT 2.9 Å, The structure of dimeric photosynthetic RC-LH1 supercomplex in Class-2
7F0L 2.94 Å, Structure of photosynthetic LH1-rc super-complex of rhodobacter sphaeroides monomer
7VA9 3.08 Å, Rba sphaeroides PufY-KO RC-LH1 dimer type-1
7VB9 3.45 Å, Rba sphaeroides PufY-KO RC-LH1 dimer type-2
4V9G 7.78 Å, RC-LH1-PufX dimer complex from Rhodobacter sphaeroides
2DW3 Solution structure of the Rhodobacter sphaeroides PufX membrane protein
2NRG Solution Structure of PufX from Rhodobacter Sphaeroides (minimised average)

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