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- PDB-1qjs: mammalian blood serum haemopexin glycosylated-native protein and ... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1qjs | ||||||
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Title | mammalian blood serum haemopexin glycosylated-native protein and in complex with its ligand haem | ||||||
![]() | HEMOPEXIN![]() | ||||||
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Function / homology | ![]() heme transmembrane transporter activity / intracellular iron ion homeostasis / ![]() ![]() Similarity search - Function | ||||||
Biological species | ![]() ![]() ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Paoli, M. / Baker, H.M. / Morgan, W.T. / Smith, A. / Baker, E.N. | ||||||
![]() | ![]() Title: Crystal Structure of Hemopexin Reveals a Novel High-Affinity Heme Site Formed between Two Beta-Propeller Domains. Authors: Paoli, M. / Anderson, B.F. / Baker, H.M. / Morgan, W.T. / Smith, A. / Baker, E.N. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 180.8 KB | Display | ![]() |
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PDB format | ![]() | 141.8 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1qhuC ![]() 1fblS ![]() 1hxnS 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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1 | ![]()
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2 | ![]()
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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS oper: (Code: given Matrix: (0.43434, -0.90066, 0.01304), Vector ![]() |
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Components
#1: Protein | ![]() Mass: 51832.293 Da / Num. of mol.: 2 / Fragment: BETA-PROPELLER DOMAIN, HAEM LIGAND / Source method: isolated from a natural source Details: COVALENT LINK BETWEEN FE OF HAEM LIGAND AND (I) NE2 OF HIS 213 AND (II) NE2 OF HIS 266 Source: (natural) ![]() ![]() ![]() #2: Chemical | ![]() #3: Chemical | ![]() #4: Chemical | ChemComp-CL / ![]() #5: Chemical | ChemComp-NA / Compound details | THIS ENTRY ACCOMPANIES PDB ENTRY 1QHU, WHICH IS FOR DEGLYCOSYLATED HAEMOPEXIN. THE CRYSTALS WERE ...THIS ENTRY ACCOMPANIE | Sequence details | THE N-TERMINUS (-25 TO 24 IN PDB NUMBERING, 1 TO 48 IN SWS) IS DISORDERED IN THE ELECTRON DENSITY ...THE N-TERMINUS (-25 TO 24 IN PDB NUMBERING, 1 TO 48 IN SWS) IS DISORDERED | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.04 Å3/Da / Density % sol: 40 % | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Crystal grow![]() | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 7.9 Details: HANGING DROP, 4 DEGREES CENTIGRADE. RESEVOIR SOLUTION: 15-22% PEG 6000, 0.1-0.2 M TRIS HCL PH 7.9, 0.05-0.1 M EDTA, 0.05-0.2 NACL, PROTEIN COMPLEX SOLUTION: 65 MG/ML IN 0.01 M TRIS PH 7.9, 0. ...Details: HANGING DROP, 4 DEGREES CENTIGRADE. RESEVOIR SOLUTION: 15-22% PEG 6000, 0.1-0.2 M TRIS HCL PH 7.9, 0.05-0.1 M EDTA, 0.05-0.2 NACL, PROTEIN COMPLEX SOLUTION: 65 MG/ML IN 0.01 M TRIS PH 7.9, 0.01 M NACL, 0.1 M EDTA | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 4 ℃ / Method: vapor diffusion, hanging drop | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: RIGAKU IMAGE PLATE / Detector: IMAGE PLATE / Date: Jun 15, 1997 / Details: COLLIMATOR |
Radiation | Monochromator: GRAPHITE(002) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength![]() |
Reflection | Resolution: 2.9→20 Å / Num. obs: 20915 / % possible obs: 97.5 % / Redundancy: 2.2 % / Biso Wilson estimate: 44 Å2 / Rmerge(I) obs: 0.064 / Net I/σ(I): 6.2 |
Reflection shell | Resolution: 2.9→3.05 Å / Redundancy: 2 % / Rmerge(I) obs: 0.251 / Mean I/σ(I) obs: 2.2 / % possible all: 87.5 |
Reflection shell | *PLUS % possible obs: 87.5 % |
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Processing
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Refinement | Method to determine structure![]() ![]() Starting model: 1HXN AND 1FBL Resolution: 2.9→20 Å / Cross valid method: THROUGHOUT / σ(F): 2.5 Details: ELECTRON DENSITY FOR RESIDUES ARG 214, SER 215, HIS 223 AND C-TERMINAL HIS 435 IS POORLY DEFINED. FOR BOTH CHAINS A AND B RESIDUES 219 - 222 COULD NOT BE FITTED INTO THE ELECTRON DENSITY ...Details: ELECTRON DENSITY FOR RESIDUES ARG 214, SER 215, HIS 223 AND C-TERMINAL HIS 435 IS POORLY DEFINED. FOR BOTH CHAINS A AND B RESIDUES 219 - 222 COULD NOT BE FITTED INTO THE ELECTRON DENSITY MAPS AND ARE NOT INCLUDED IN THE MODEL.
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Displacement parameters | Biso mean: 39 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 2.9→20 Å
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Refine LS restraints |
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