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- PDB-2vq3: Crystal Structure of the Membrane Proximal Oxidoreductase Domain ... -
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Basic information
Entry | Database: PDB / ID: 2vq3 | ||||||
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Title | Crystal Structure of the Membrane Proximal Oxidoreductase Domain of Human Steap3, the Dominant Ferric Reductase of the Erythroid Transferrin Cycle | ||||||
![]() | METALLOREDUCTASE STEAP3 | ||||||
![]() | OXIDOREDUCTASE / METAL-BINDING / TRANSMEMBRANE / ROSSMANN FOLD / TRANSPORT / CELL CYCLE / TRANSFERRIN / FLAVOPROTEIN / ALTERNATIVE SPLICING / TRANSFERRIN RECEPTOR / FERRIREDUCTASE / FERRIC-REDUCTASE / IRON TRANSPORT / PHOSPHOPROTEIN / STEAP3 / COPPER / MEMBRANE / ENDOSOME / APOPTOSIS / TF / NAD / TFR / FAD / FNO / NADP / TFR1 / IRON / STEAP / POLYMORPHISM / GLYCOPROTEIN / ION TRANSPORT / DINUCLEOTIDE-BINDING DOMAIN | ||||||
Function / homology | ![]() Oxidoreductases; Oxidizing metal ions; With NAD+ or NADP+ as acceptor / oxidoreductase activity, acting on metal ions, NAD or NADP as acceptor / ferric-chelate reductase (NADPH) activity / cupric reductase (NADH) activity / transferrin transport / Transferrin endocytosis and recycling / copper ion import / RHOF GTPase cycle / RHOD GTPase cycle / RHOJ GTPase cycle ...Oxidoreductases; Oxidizing metal ions; With NAD+ or NADP+ as acceptor / oxidoreductase activity, acting on metal ions, NAD or NADP as acceptor / ferric-chelate reductase (NADPH) activity / cupric reductase (NADH) activity / transferrin transport / Transferrin endocytosis and recycling / copper ion import / RHOF GTPase cycle / RHOD GTPase cycle / RHOJ GTPase cycle / RHOQ GTPase cycle / TP53 Regulates Transcription of Genes Involved in Cytochrome C Release / CDC42 GTPase cycle / protein secretion / multivesicular body / FAD binding / endosome membrane / endosome / cell cycle / apoptotic process / heme binding / identical protein binding / metal ion binding / plasma membrane / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Sendamarai, A.K. / Ohgami, R.S. / Fleming, M.D. / Lawrence, C.M. | ||||||
![]() | ![]() Title: Structure of the Membrane Proximal Oxidoreductase Domain of Human Steap3, the Dominant Ferrireductase of the Erythroid Transferrin Cycle Authors: Sendamarai, A.K. / Ohgami, R.S. / Fleming, M.D. / Lawrence, C.M. #1: Journal: Nat.Genet. / Year: 2005 Title: Identification of a Ferrireductase Required for Efficient Transferrin-Dependent Iron Uptake in Erythroid Cells Authors: Ohgami, R.S. / Campagna, D.R. / Greer, E.L. / Antiochos, B. / Mcdonald, A. / Chen, J. / Sharp, J.J. / Fujiwara, Y. / Barker, J.E. / Fleming, M.D. #2: Journal: Blood / Year: 2005 Title: Nm1054, a Spontaneous, Recessive, Hypochromic, Microcytic Anemia Mutation in the Mouse Authors: Ohgami, R.S. / Campagna, D.R. / Antiochos, B. / Wood, E.B. / Sharp, J.J. / Barker, J.E. / Fleming, M.D. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 150.1 KB | Display | ![]() |
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PDB format | ![]() | 120.1 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
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-Validation report
Summary document | ![]() | 1.2 MB | Display | ![]() |
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Full document | ![]() | 1.2 MB | Display | |
Data in XML | ![]() | 18.1 KB | Display | |
Data in CIF | ![]() | 24.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2vnsSC 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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Unit cell |
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Noncrystallographic symmetry (NCS) | NCS oper: (Code: given Matrix: (-1, 0.005, -0.007), Vector: |
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Components
#1: Protein | Mass: 23315.676 Da / Num. of mol.: 2 Fragment: NADPH/FLAVIN DEPENDENT OXIDOREDUCTASE, RESIDUES 1-215 Source method: isolated from a genetically manipulated source Details: RESIDUES 1-215 CLONED, NADPH BOUND / Source: (gene. exp.) ![]() ![]() ![]() References: UniProt: Q658P3, EC: 1.16.1.2, Oxidoreductases; Oxidizing metal ions; With NAD+ or NADP+ as acceptor #2: Chemical | #3: Chemical | ChemComp-CIT / | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.31 Å3/Da / Density % sol: 46.84 % Description: RIGID BODY REFINED AND FURTHER REFINE FROM APO- STRUCTURE 2VNS |
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Crystal grow | pH: 5.6 Details: 0.01M FECL3, 40-100MM NA3.CITRATE, 4% V/V JEFFAMINE M600 PH5.6 |
-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() ![]() ![]() |
Detector | Type: MARRESEARCH / Detector: CCD / Date: Mar 11, 2007 Details: FLAT COLLIMATING MIRROR, DOUBLE CRYSTAL MONOCHROMATOR, TOROID FOCUSING MIRROR |
Radiation | Monochromator: DOUBLE CRYSTAL MONOCHROMATOR / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.1271 Å / Relative weight: 1 |
Reflection | Resolution: 1.92→50 Å / Num. obs: 27874 / % possible obs: 97.5 % / Observed criterion σ(I): 5 / Redundancy: 3.9 % / Rmerge(I) obs: 0.03 / Net I/σ(I): 19.1 |
Reflection shell | Resolution: 1.92→1.99 Å / Redundancy: 3.6 % / Rmerge(I) obs: 0.27 / Mean I/σ(I) obs: 2.8 / % possible all: 85.1 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: PDB ENTRY 2VNS Resolution: 2→50 Å / Cor.coef. Fo:Fc: 0.951 / Cor.coef. Fo:Fc free: 0.929 / SU B: 7.907 / SU ML: 0.113 / Cross valid method: THROUGHOUT / ESU R Free: 0.172 / Stereochemistry target values: MAXIMUM LIKELIHOOD Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS. DISORDERED REGION BETWEEN RESIDUES 159 TO 164 HAS POOR DENSITY FOR SIDE CHAINS.
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Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: BABINET MODEL WITH MASK | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso mean: 19.31 Å2
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Refinement step | Cycle: LAST / Resolution: 2→50 Å
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Refine LS restraints |
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