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- PDB-1jzm: Crystal Structure of Scapharca inaequivalvis HbI, I114M Mutant in... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1jzm | ||||||
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Title | Crystal Structure of Scapharca inaequivalvis HbI, I114M Mutant in the Absence of ligand. | ||||||
![]() | GLOBIN I - ARK SHELL | ||||||
![]() | OXYGEN STORAGE/TRANSPORT / invertebrate / hemoglobin / allostery / cooperativity / oxygen-binding / oxygen-transport / heme protein / OXYGEN STORAGE-TRANSPORT COMPLEX | ||||||
Function / homology | ![]() oxygen carrier activity / oxygen binding / response to hypoxia / heme binding / identical protein binding / metal ion binding / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Knapp, J.E. / Gibson, Q.H. / Cushing, L. / Royer Jr., W.E. | ||||||
![]() | ![]() Title: Restricting the Ligand-Linked Heme Movement in Scapharca Dimeric Hemoglobin Reveals Tight Coupling between Distal and Proximal Contributions to Cooperativity. Authors: Knapp, J.E. / Gibson, Q.H. / Cushing, L. / Royer Jr., W.E. #1: ![]() Title: Mutation of Residue Phe97 to Leu Disrupts the Central Allosteric Pathway in Scapharca Dimeric Hemoglobin. Authors: Pardanani, A. / Gibson, Q.H. / Colotti, G. / Royer Jr., W.E. #2: ![]() Title: High Resolution Crystallographic Analysis of a Co-operative Dimeric Hemoglobin. Authors: Royer Jr., W.E. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 73.6 KB | Display | ![]() |
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PDB format | ![]() | 54.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1jwnC ![]() 1jzkC ![]() 1jzlC ![]() 4sdhS C: citing same article ( S: Starting model for refinement |
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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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Details | The biological assembly is the dimer found in the asymmetric unit. |
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Components
#1: Protein | Mass: 15984.356 Da / Num. of mol.: 2 / Mutation: I114M Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | #3: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.3 Å3/Da / Density % sol: 46.49 % |
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Crystal grow | Temperature: 296 K / Method: microbatch / pH: 8.5 Details: Phosphate buffer, pH 8.5, Microbatch, temperature 296K |
-Data collection
Diffraction |
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Diffraction source |
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Detector |
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Radiation |
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Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 | ||||||||||||||||||
Reflection | Resolution: 1.9→40 Å / Num. all: 22491 / Num. obs: 22491 / % possible obs: 94.8 % / Observed criterion σ(F): 1 / Observed criterion σ(I): 1 / Redundancy: 2.2 % / Biso Wilson estimate: 15.9 Å2 / Rmerge(I) obs: 0.069 / Net I/σ(I): 11.2 | ||||||||||||||||||
Reflection shell | Resolution: 1.9→1.97 Å / Rmerge(I) obs: 0.256 / Num. unique all: 1909 / % possible all: 81.7 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: 4SDH (deoxy wild type HbI) Resolution: 1.9→26.76 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 2037889.96 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: FLAT MODEL / Bsol: 52.9183 Å2 / ksol: 0.342299 e/Å3 | ||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 18.1 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.9→26.76 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 1.9→1.97 Å / Rfactor Rfree error: 0.022 / Total num. of bins used: 10
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Xplor file |
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