- PDB-3mk7: The structure of CBB3 cytochrome oxidase -
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Open data
ID or keywords:
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Basic information
Entry
Database: PDB / ID: 3mk7
Title
The structure of CBB3 cytochrome oxidase
Components
(Cytochrome c oxidase, cbb3-type, subunit ...) x 3
30-mer peptide
Keywords
OXIDOREDUCTASE / TM helices
Function / homology
Function and homology information
aerobic respiration, using ferrous ions as electron donor / cytochrome complex / aerobic electron transport chain / respiratory chain complex / cytochrome-c oxidase / oxidative phosphorylation / ubiquinol-cytochrome-c reductase activity / cytochrome-c oxidase activity / electron transport coupled proton transport / oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen ...aerobic respiration, using ferrous ions as electron donor / cytochrome complex / aerobic electron transport chain / respiratory chain complex / cytochrome-c oxidase / oxidative phosphorylation / ubiquinol-cytochrome-c reductase activity / cytochrome-c oxidase activity / electron transport coupled proton transport / oxidoreductase activity, acting on paired donors, with incorporation or reduction of molecular oxygen / proton transmembrane transport / oxygen binding / oxidoreductase activity / electron transfer activity / iron ion binding / copper ion binding / heme binding / membrane / metal ion binding / plasma membrane Similarity search - Function
Single alpha-helices involved in coiled-coils or other helix-helix interfaces - #2250 / Methane Monooxygenase Hydroxylase; Chain G, domain 1 - #130 / Cytochrome c oxidase, monohaem subunit/FixO / Cytochrome c oxidase cbb3-type, subunit I / Cytochrome c oxidase cbb3-type, subunit III / Cbb3-type cytochrome c oxidase subunit CcoP, N-terminal / Cbb3-type cytochrome c oxidase subunit CcoP, N-terminal domain superfamily / Cytochrome C oxidase, mono-heme subunit/FixO / N-terminal domain of cytochrome oxidase-cbb3, FixP / : ...Single alpha-helices involved in coiled-coils or other helix-helix interfaces - #2250 / Methane Monooxygenase Hydroxylase; Chain G, domain 1 - #130 / Cytochrome c oxidase, monohaem subunit/FixO / Cytochrome c oxidase cbb3-type, subunit I / Cytochrome c oxidase cbb3-type, subunit III / Cbb3-type cytochrome c oxidase subunit CcoP, N-terminal / Cbb3-type cytochrome c oxidase subunit CcoP, N-terminal domain superfamily / Cytochrome C oxidase, mono-heme subunit/FixO / N-terminal domain of cytochrome oxidase-cbb3, FixP / : / Cytochrome C Oxidase; Chain A / Cytochrome c oxidase-like, subunit I domain / Methane Monooxygenase Hydroxylase; Chain G, domain 1 / Cytochrome C oxidase, cbb3-type, subunit III / Cytochrome c oxidase, subunit I, copper-binding site / Heme-copper oxidase catalytic subunit, copper B binding region signature. / Cytochrome c oxidase-like, subunit I domain / Cytochrome oxidase subunit I profile. / Cytochrome c oxidase subunit I / Cytochrome c oxidase-like, subunit I superfamily / Cytochrome C and Quinol oxidase polypeptide I / Cytochrome c-like domain / Cytochrome Bc1 Complex; Chain D, domain 2 / Single alpha-helices involved in coiled-coils or other helix-helix interfaces / Cytochrome c family profile. / Cytochrome c-like domain / Cytochrome c-like domain superfamily / Helix non-globular / Special / Up-down Bundle / Orthogonal Bundle / Mainly Alpha Similarity search - Domain/homology
COPPER (II) ION / HEXACYANOFERRATE(3-) / HEME C / PROTOPORPHYRIN IX CONTAINING FE / HYDROGEN PEROXIDE / PHOSPHATE ION / Cbb3-type cytochrome c oxidase subunit CcoN1 / Cbb3-type cytochrome c oxidase subunit II / Cbb3-type cytochrome c oxidase subunit CcoP1 Similarity search - Component
Biological species
Pseudomonas stutzeri (bacteria)
Method
X-RAY DIFFRACTION / SYNCHROTRON / SAD / Resolution: 3.2 Å
A: Cytochrome c oxidase, cbb3-type, subunit N B: Cytochrome c oxidase, cbb3-type, subunit O C: Cytochrome c oxidase, cbb3-type, subunit P D: Cytochrome c oxidase, cbb3-type, subunit N E: Cytochrome c oxidase, cbb3-type, subunit O F: Cytochrome c oxidase, cbb3-type, subunit P G: Cytochrome c oxidase, cbb3-type, subunit N H: Cytochrome c oxidase, cbb3-type, subunit O I: Cytochrome c oxidase, cbb3-type, subunit P K: Cytochrome c oxidase, cbb3-type, subunit N L: Cytochrome c oxidase, cbb3-type, subunit O M: Cytochrome c oxidase, cbb3-type, subunit P U: 30-mer peptide X: 30-mer peptide Y: 30-mer peptide Z: 30-mer peptide hetero molecules
A: Cytochrome c oxidase, cbb3-type, subunit N B: Cytochrome c oxidase, cbb3-type, subunit O C: Cytochrome c oxidase, cbb3-type, subunit P U: 30-mer peptide hetero molecules
D: Cytochrome c oxidase, cbb3-type, subunit N E: Cytochrome c oxidase, cbb3-type, subunit O F: Cytochrome c oxidase, cbb3-type, subunit P X: 30-mer peptide hetero molecules
G: Cytochrome c oxidase, cbb3-type, subunit N H: Cytochrome c oxidase, cbb3-type, subunit O I: Cytochrome c oxidase, cbb3-type, subunit P Y: 30-mer peptide hetero molecules
K: Cytochrome c oxidase, cbb3-type, subunit N L: Cytochrome c oxidase, cbb3-type, subunit O M: Cytochrome c oxidase, cbb3-type, subunit P Z: 30-mer peptide hetero molecules
Mass: 211.949 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C6FeN6
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Details
Has protein modification
Y
Sequence details
THE SEQUENCE DATABASE REFERENCES FOR ALL CHAINS DO NOT CURRENTLY EXIST. THE AUTHORS COULD NOT ...THE SEQUENCE DATABASE REFERENCES FOR ALL CHAINS DO NOT CURRENTLY EXIST. THE AUTHORS COULD NOT IDENTIFY THE CORRESPONDING GENE OF CHAIN U, X, Y, Z.
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Experimental details
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Experiment
Experiment
Method: X-RAY DIFFRACTION / Number of used crystals: 1
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Sample preparation
Crystal
Density Matthews: 3.74 Å3/Da / Density % sol: 67.09 %
Resolution: 3.2→3.3 Å / Redundancy: 3.3 % / Rmerge(I) obs: 0.83 / Mean I/σ(I) obs: 2.4 / Num. unique all: 9703 / Rsym value: 0.8 / % possible all: 99.9
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Processing
Software
Name
Version
Classification
HKL-2000
datacollection
SHELXD
phasing
SHARP
phasing
REFMAC
5.6.0046
refinement
XDS
datareduction
XDS
datascaling
Refinement
Method to determine structure: SAD / Resolution: 3.2→15 Å / Cor.coef. Fo:Fc: 0.946 / Cor.coef. Fo:Fc free: 0.929 / SU B: 38.557 / SU ML: 0.306 / Cross valid method: THROUGHOUT / ESU R Free: 0.36 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT. RESOLUTION RANGE ACTUALLY USED 3.0 TO 15A, COMPLETENESS 98.76, REFLECTIONS 125112, R= 0.200, RFREE= 0.233, RESOLUTION 3.0 TO 3.075, ...Details: HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT. RESOLUTION RANGE ACTUALLY USED 3.0 TO 15A, COMPLETENESS 98.76, REFLECTIONS 125112, R= 0.200, RFREE= 0.233, RESOLUTION 3.0 TO 3.075, COMPLETENESS 99.8%, R=0.360, RFREE=0.367
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.22341
5480
5.1 %
RANDOM
Rwork
0.189
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obs
0.19074
102875
98.52 %
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all
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125112
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK