- PDB-1h29: Sulfate respiration in Desulfovibrio vulgaris Hildenborough: Stru... -
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Open data
ID or keywords:
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Basic information
Entry
Database: PDB / ID: 1h29
Title
Sulfate respiration in Desulfovibrio vulgaris Hildenborough: Structure of the 16-heme Cytochrome c HmcA at 2.5 A resolution and a view of its role in transmembrane electron transfer
Components
HIGH-MOLECULAR-WEIGHT CYTOCHROME C
Keywords
ELECTRON TRANSPORT / HIGH MOLECULAR MASS CYTOCHROME / SULFATE RESPIRATION / HYDROGEN CYCLE / TRANSMEMBRANE REDOX COMPLEX / ENERGY CONSERVATION / PROTON GRADIENT / TETRA-HEME / C3-LIKE DOMAIN
High-molecular-weight cytochrome c / Class III cytochrome C / Class III cytochrome C family / Cytochrome c, class III / Cytochrome C3 / Cytochrome C3 / Multiheme cytochrome c family profile. / Multiheme cytochrome superfamily / Alpha-Beta Complex / Alpha Beta Similarity search - Domain/homology
#89 - May 2007 Aconitase and Iron Regulatory Protein 1 similarity (1)
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Assembly
Deposited unit
A: HIGH-MOLECULAR-WEIGHT CYTOCHROME C B: HIGH-MOLECULAR-WEIGHT CYTOCHROME C C: HIGH-MOLECULAR-WEIGHT CYTOCHROME C D: HIGH-MOLECULAR-WEIGHT CYTOCHROME C hetero molecules
Mass: 18.015 Da / Num. of mol.: 497 / Source method: isolated from a natural source / Formula: H2O
Compound details
FORM TRANSMEMBRANE PROTEIN COMPLEX TO AID ELECTRON FLOW TO AID ENZYMES THAT ARE INVOLVED IN THE ...FORM TRANSMEMBRANE PROTEIN COMPLEX TO AID ELECTRON FLOW TO AID ENZYMES THAT ARE INVOLVED IN THE CATALYSIS OF SULFATES. BINDS 16 MOLECULES OF HEME C PER MONOMER. COMPRISED OF ONE INCOMPLETE AND THREE COMPLETE C3-CYTOCHROME-LIKE DOMAINS.
Has protein modification
Y
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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: 2.8 Å3/Da / Density % sol: 55 %
Crystal grow
Temperature: 277 K / pH: 7.5 Details: EACH CRYSTALLIZATION ASSAY WAS PREPARED BY ADDING 5 UL OF THE PROTEIN SOLUTION (10 MG/ML) TO A DIALYSIS BUTTON WHICH WAS THEN COMPLETELY SOAKED IN THE CRYSTALLIZATION WAS THEN COMPLETELY ...Details: EACH CRYSTALLIZATION ASSAY WAS PREPARED BY ADDING 5 UL OF THE PROTEIN SOLUTION (10 MG/ML) TO A DIALYSIS BUTTON WHICH WAS THEN COMPLETELY SOAKED IN THE CRYSTALLIZATION WAS THEN COMPLETELY SOAKED IN THE SOLUTION. AFTER A FEW DAYS AT 4C, SMALL HEXAGONAL BIPYRAMIDS STARTED STARTED TO APPEAR AND REACHED THEIR MAXIMUM SIZE AFTER ONE WEEK. THE BEST CRYOCRYSTALLOGRAPHY CONDITIONS WERE OBTAINED BY SOAKING THESE CRYSTALS IN A CRYSTALLIZATION SOLUTION CONTAINING 7.5% MPD, pH 7.50
Monochromator: SI (111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelength
Wavelength: 0.9179 Å / Relative weight: 1
Reflection
Resolution: 2.5→25 Å / Num. obs: 89606 / % possible obs: 91.3 % / Redundancy: 6.5 % / Rmerge(I) obs: 0.064 / Net I/σ(I): 11.9
Reflection shell
Resolution: 2.5→2.59 Å / Rmerge(I) obs: 0.354 / Mean I/σ(I) obs: 3 / % possible all: 84
Reflection shell
*PLUS
% possible obs: 84 %
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Processing
Software
Name
Version
Classification
REFMAC
5.1.24
refinement
DENZO
datareduction
SCALEPACK
datascaling
Refinement
Method to determine structure: MAD / Resolution: 2.51→30 Å / Cor.coef. Fo:Fc: 0.956 / Cor.coef. Fo:Fc free: 0.924 / SU B: 10.051 / SU ML: 0.226 / Cross valid method: THROUGHOUT / ESU R: 0.591 / ESU R Free: 0.311 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: RESIDUE NUMBERING FOLLOWS THE COMPLET PRECURSOR SEQUENCE INCLUDING SIGNAL PEPTIDE. CHAIN A HAS MISSIN RESIDUES 32-37, 500-504 AND 544-545. CHAIN B HAS MISSING RESIDU 32-37, 500-504 AND 542- ...Details: RESIDUE NUMBERING FOLLOWS THE COMPLET PRECURSOR SEQUENCE INCLUDING SIGNAL PEPTIDE. CHAIN A HAS MISSIN RESIDUES 32-37, 500-504 AND 544-545. CHAIN B HAS MISSING RESIDU 32-37, 500-504 AND 542-545. CHAIN C HAS MISSING RESIDUES 32-37, 500-505 AND 545. CHAIN D HAS MISSING RESIDUES 32-37,283-285, 394-397,500-505 AND 543-545.
Rfactor
Num. reflection
% reflection
Selection details
Rfree
0.258
4494
5 %
RANDOM
Rwork
0.192
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obs
0.195
85075
92.1 %
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Solvent computation
Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.4 Å / Solvent model: BABINET MODEL WITH MASK