- PDB-1vf5: Crystal Structure of Cytochrome b6f Complex from M.laminosus -
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Basic information
Entry
Database: PDB / ID: 1vf5
Title
Crystal Structure of Cytochrome b6f Complex from M.laminosus
Components
CYTOCHROME B6
CYTOCHROME F
PROTEIN PET G
PROTEIN PET L
PROTEIN PET M
PROTEIN PET N
RIESKE IRON-SULFUR PROTEIN
SUBUNIT IV
Keywords
PHOTOSYNTHESIS / membrane protein complex / electron transfer complex
Function / homology
Function and homology information
plastoquinol--plastocyanin reductase activity / cytochrome b6f complex / plastoquinol-plastocyanin reductase / electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity / cytochrome complex assembly / photosynthetic electron transport chain / ubiquinol-cytochrome-c reductase activity / plasma membrane-derived thylakoid membrane / electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity / photosynthesis ...plastoquinol--plastocyanin reductase activity / cytochrome b6f complex / plastoquinol-plastocyanin reductase / electron transporter, transferring electrons within cytochrome b6/f complex of photosystem II activity / cytochrome complex assembly / photosynthetic electron transport chain / ubiquinol-cytochrome-c reductase activity / plasma membrane-derived thylakoid membrane / electron transporter, transferring electrons within the cyclic electron transport pathway of photosynthesis activity / photosynthesis / respiratory electron transport chain / 2 iron, 2 sulfur cluster binding / electron transfer activity / iron ion binding / heme binding / metal ion binding Similarity search - Function
#1: Journal: Proc.Natl.Acad.Sci.USA / Year: 2003 Title: A Defined Protein-Detergent-Lipid Complex for Crystallization of Integral Membrane Proteins: The Cytochrome B6F Complex of Oxygenic Photosynthesis Authors: Zhang, H. / Kurisu, G. / Smith, J.L. / Cramer, W.A.
A: CYTOCHROME B6 B: SUBUNIT IV C: CYTOCHROME F D: RIESKE IRON-SULFUR PROTEIN E: PROTEIN PET L F: PROTEIN PET M G: PROTEIN PET G H: PROTEIN PET N N: CYTOCHROME B6 O: SUBUNIT IV P: CYTOCHROME F Q: RIESKE IRON-SULFUR PROTEIN R: PROTEIN PET L S: PROTEIN PET M T: PROTEIN PET G U: PROTEIN PET N hetero molecules
Monochromator: SI(111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
Wavelength: 1.0332 Å / Relative weight: 1
Reflection
Resolution: 3→150 Å / Num. obs: 100622 / % possible obs: 99.8 % / Observed criterion σ(I): -2 / Redundancy: 7 % / Rmerge(I) obs: 0.068 / Net I/σ(I): 17.9
Reflection shell
Resolution: 3→3.11 Å / Rmerge(I) obs: 0.54 / Mean I/σ(I) obs: 2.2 / % possible all: 100
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Processing
Software
Name
Version
Classification
HKL-2000
datacollection
HKL-2000
datareduction
MLPHARE
phasing
CNS
1.1
refinement
HKL-2000
datascaling
Refinement
Method to determine structure: MIR / Resolution: 3→48.16 Å / Data cutoff high absF: 2928724.46 / Data cutoff low absF: 0 / Isotropic thermal model: GROUP / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: ENGH & HUBER Details: Twinning was treated during refinement and the twinning fraction set to 0.50.
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