+Open data
-Basic information
Entry | Database: PDB / ID: 1mh4 | ||||||
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Title | maltose binding-a1 homeodomain protein chimera, crystal form II | ||||||
Components | maltose binding-a1 homeodomain protein chimera | ||||||
Keywords | SUGAR BINDING / DNA BINDING PROTEIN / MATa1 / homeodomain / binding cooperativity / maltose binding protein / MBP | ||||||
Function / homology | Function and homology information detection of maltose stimulus / maltose transport complex / maltose binding / carbohydrate transport / maltose transport / maltodextrin transmembrane transport / carbohydrate transmembrane transporter activity / ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing / ATP-binding cassette (ABC) transporter complex / cell chemotaxis ...detection of maltose stimulus / maltose transport complex / maltose binding / carbohydrate transport / maltose transport / maltodextrin transmembrane transport / carbohydrate transmembrane transporter activity / ATP-binding cassette (ABC) transporter complex, substrate-binding subunit-containing / ATP-binding cassette (ABC) transporter complex / cell chemotaxis / outer membrane-bounded periplasmic space / periplasmic space / DNA-binding transcription factor activity, RNA polymerase II-specific / DNA damage response / DNA binding / membrane / nucleus Similarity search - Function | ||||||
Biological species | Escherichia coli (E. coli) Saccharomyces cerevisiae (brewer's yeast) | ||||||
Method | X-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2.3 Å | ||||||
Authors | Ke, A. / Wolberger, C. | ||||||
Citation | Journal: Protein Sci. / Year: 2003 Title: Insights into binding cooperativity of MATa1/MATalpha2 from the crystal structure of a MATa1 homeodomain-maltose binding protein chimera Authors: Ke, A. / Wolberger, C. | ||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 1mh4.cif.gz | 93.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb1mh4.ent.gz | 71.7 KB | Display | PDB format |
PDBx/mmJSON format | 1mh4.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 1mh4_validation.pdf.gz | 425.7 KB | Display | wwPDB validaton report |
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Full document | 1mh4_full_validation.pdf.gz | 435.3 KB | Display | |
Data in XML | 1mh4_validation.xml.gz | 18.4 KB | Display | |
Data in CIF | 1mh4_validation.cif.gz | 25.5 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/mh/1mh4 ftp://data.pdbj.org/pub/pdb/validation_reports/mh/1mh4 | HTTPS FTP |
-Related structure data
Related structure data | 1mh3C 4mbpS C: citing same article (ref.) S: Starting model for refinement |
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Similar structure data |
-Links
-Assembly
Deposited unit |
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1 |
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Unit cell |
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-Components
#1: Protein | Mass: 46403.832 Da / Num. of mol.: 1 / Mutation: E359A, K362A, D363A Source method: isolated from a genetically manipulated source Details: Chimera consisting of residues 1-366 (sequence database residues 27-392) of Maltose-binding periplasmic protein, a 5 alanine linker, and residues 477-526 (sequence database residues 77-126) ...Details: Chimera consisting of residues 1-366 (sequence database residues 27-392) of Maltose-binding periplasmic protein, a 5 alanine linker, and residues 477-526 (sequence database residues 77-126) of homeobox of mating-type protein A-1. Source: (gene. exp.) Escherichia coli (E. coli), (gene. exp.) Saccharomyces cerevisiae (brewer's yeast) Genus: Escherichia, Saccharomyces / Species: , / Strain: , / Plasmid: pMAL-c2 with modifications at the fusion linker / Production host: Escherichia coli (E. coli) / Strain (production host): BL21 codon plus References: UniProt: P02928, UniProt: P01366, UniProt: P0AEX9*PLUS |
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#2: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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-Sample preparation
Crystal | Density Matthews: 2.31 Å3/Da / Density % sol: 46.71 % | ||||||||||||||||||||||||
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 6 Details: PEG 6000, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 293K | ||||||||||||||||||||||||
Crystal grow | *PLUS | ||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418 Å |
Detector | Type: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Feb 1, 2000 |
Radiation | Monochromator: YALE MIRRORS / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 2.3→44.54 Å / Num. all: 19730 / Num. obs: 19118 / % possible obs: 0.969 % / Observed criterion σ(F): 3.58 / Observed criterion σ(I): 3.58 / Redundancy: 9.97 % / Biso Wilson estimate: 31.5 Å2 / Rmerge(I) obs: 0.058 / Rsym value: 0.058 / Net I/σ(I): 22.5 |
Reflection shell | Resolution: 2.3→2.38 Å / Mean I/σ(I) obs: 3.58 / Rsym value: 0.24 / % possible all: 83.2 |
Reflection | *PLUS Lowest resolution: 50 Å / % possible obs: 96.9 % |
Reflection shell | *PLUS % possible obs: 83.2 % / Rmerge(I) obs: 0.24 |
-Processing
Software |
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Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: pdb code: 4MBP Resolution: 2.3→44.54 Å / Rfactor Rfree error: 0.009 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 3.58 / σ(I): 3.58 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 29.5153 Å2 / ksol: 0.316721 e/Å3 | |||||||||||||||||||||||||
Displacement parameters | Biso mean: 33.4 Å2
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Refine analyze | Luzzati coordinate error free: 0.43 Å / Luzzati sigma a free: 0.43 Å | |||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.3→44.54 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.3→2.44 Å / Rfactor Rfree error: 0.03 / Total num. of bins used: 6
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Xplor file |
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Refinement | *PLUS Lowest resolution: 50 Å / Rfactor Rfree: 0.292 / Rfactor Rwork: 0.264 | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.37 |