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- PDB-1l7k: x-ray structure of galactose mutarotase from Lactococcus lactis c... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1l7k | ||||||
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Title | x-ray structure of galactose mutarotase from Lactococcus lactis complexed with galactose | ||||||
![]() | galactose mutarotase | ||||||
![]() | ISOMERASE / mutarotase / epimerase / galactose metabolism | ||||||
Function / homology | ![]() aldose 1-epimerase / aldose 1-epimerase activity / galactose catabolic process via UDP-galactose / glucose metabolic process / carbohydrate binding / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Holden, H.M. / Thoden, J.B. | ||||||
![]() | ![]() Title: High resolution X-ray structure of galactose mutarotase from Lactococcus lactis. Authors: Thoden, J.B. / Holden, H.M. | ||||||
History |
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Remark 600 | HETEROGEN THE O1 ATOM OF GAL HAS TWO ALTERNATE POSITIONS. ALTERNATE POSITION A IS FOR ALPHA-D- ...HETEROGEN THE O1 ATOM OF GAL HAS TWO ALTERNATE POSITIONS. ALTERNATE POSITION A IS FOR ALPHA-D-GALACTOSE. ALTERNATE POSITION B IS FOR BETA-D-GALACTOSE. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 157 KB | Display | ![]() |
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PDB format | ![]() | 121.6 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1l7jSC S: Starting model for refinement C: citing same article ( |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 38622.957 Da / Num. of mol.: 2 / Mutation: E2S Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Gene: GALM / Plasmid: pET28 / Production host: ![]() ![]() #2: Sugar | #3: Chemical | ChemComp-NA / | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.37 Å3/Da / Density % sol: 48.04 % | ||||||||||||||||||||||||
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Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 6 Details: PEG-5000-O-Methylether, sodium chloride, MES, pH 6.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K | ||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 4 ℃ | ||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 277 K |
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Diffraction source | Source: ![]() |
Detector | Type: SIEMENS HI-STAR / Detector: AREA DETECTOR / Date: Jan 26, 2002 / Details: goebel mirrors |
Radiation | Monochromator: goebel optics / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.54178 Å / Relative weight: 1 |
Reflection | Resolution: 1.95→30 Å / Num. all: 51652 / Num. obs: 51652 / % possible obs: 94.3 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Redundancy: 2.9 % / Rsym value: 0.063 / Net I/σ(I): 12 |
Reflection shell | Resolution: 1.95→2.03 Å / Redundancy: 1.8 % / Mean I/σ(I) obs: 3.4 / Num. unique all: 5042 / Rsym value: 0.225 / % possible all: 74.2 |
Reflection | *PLUS Rmerge(I) obs: 0.063 |
Reflection shell | *PLUS % possible obs: 74.2 % / Num. unique obs: 5042 / Rmerge(I) obs: 0.225 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 1L7J Resolution: 1.95→30 Å / σ(F): 0 / Stereochemistry target values: Engh & Huber
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Refinement step | Cycle: LAST / Resolution: 1.95→30 Å
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Refine LS restraints |
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Refinement | *PLUS Num. reflection obs: 46551 / Rfactor obs: 0.157 | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||
Refine LS restraints | *PLUS
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