[English] 日本語
Yorodumi- PDB-2ptm: Structure and rearrangements in the carboxy-terminal region of Sp... -
+Open data
-Basic information
Entry | Database: PDB / ID: 2ptm | ||||||
---|---|---|---|---|---|---|---|
Title | Structure and rearrangements in the carboxy-terminal region of SpIH channels | ||||||
Components | Hyperpolarization-activated (Ih) channel | ||||||
Keywords | TRANSPORT PROTEIN / ion channel / cyclic nucleotide binding domain / C-linker / cAMP / cGMP / spHCN1 / HCN | ||||||
Function / homology | Function and homology information HCN channel complex / regulation of membrane depolarization / voltage-gated potassium channel activity / sodium ion transmembrane transport / potassium ion transmembrane transport / nucleotide binding Similarity search - Function | ||||||
Biological species | Strongylocentrotus purpuratus (purple sea urchin) | ||||||
Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.93 Å | ||||||
Authors | Flynn, G.E. / Black, K.D. / Islas, L.D. / Sankaran, B. / Zagotta, W.N. | ||||||
Citation | Journal: Structure / Year: 2007 Title: Structure and rearrangements in the carboxy-terminal region of SpIH channels. Authors: Flynn, G.E. / Black, K.D. / Islas, L.D. / Sankaran, B. / Zagotta, W.N. | ||||||
History |
|
-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
---|
-Downloads & links
-Download
PDBx/mmCIF format | 2ptm.cif.gz | 98.3 KB | Display | PDBx/mmCIF format |
---|---|---|---|---|
PDB format | pdb2ptm.ent.gz | 74.2 KB | Display | PDB format |
PDBx/mmJSON format | 2ptm.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 2ptm_validation.pdf.gz | 769.7 KB | Display | wwPDB validaton report |
---|---|---|---|---|
Full document | 2ptm_full_validation.pdf.gz | 773.8 KB | Display | |
Data in XML | 2ptm_validation.xml.gz | 12.3 KB | Display | |
Data in CIF | 2ptm_validation.cif.gz | 17.4 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/pt/2ptm ftp://data.pdbj.org/pub/pdb/validation_reports/pt/2ptm | HTTPS FTP |
-Related structure data
Related structure data | 2q0aC 1q5oS S: Starting model for refinement C: citing same article (ref.) |
---|---|
Similar structure data |
-Links
-Assembly
Deposited unit |
| |||||||||
---|---|---|---|---|---|---|---|---|---|---|
1 |
| |||||||||
Unit cell |
| |||||||||
Components on special symmetry positions |
| |||||||||
Details | The biological assembly is a tetramer generated from the monomer in the asymmetric unit by the operations: Symmetry operation Symm. ID. (Pisa) x,y,z 1_555 -y+1/2,x+1/2,z 3_555 y-1/2,-x+1/2,z 4_455 -x,-y+1,z 2_565 |
-Components
#1: Protein | Mass: 23292.576 Da / Num. of mol.: 1 / Fragment: C-terminal region (residues 470-665) Source method: isolated from a genetically manipulated source Source: (gene. exp.) Strongylocentrotus purpuratus (purple sea urchin) Plasmid: pHMalc2T / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): Bl-21 (DE3) / References: UniProt: O76977 |
---|---|
#2: Chemical | ChemComp-NCO / |
#3: Chemical | ChemComp-CMP / |
#4: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
---|
-Sample preparation
Crystal | Density Matthews: 2.85 Å3/Da / Density % sol: 56.82 % |
---|---|
Crystal grow | Temperature: 277 K / Method: vapor diffusion, hanging drop / pH: 8 Details: 10 % w/v PEG 6000, 0.5 M NaCl, 20 % glycerol, 0.1 M HEPES, 10 mM hexamine cobalt trichloride, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 277K |
-Data collection
Diffraction source | Source: SYNCHROTRON / Site: NSLS / Beamline: X4A / Wavelength: 0.97935 |
---|---|
Detector | Type: ADSC QUANTUM 4 / Detector: CCD / Date: Apr 14, 2004 |
Radiation | Monochromator: Si (111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 0.97935 Å / Relative weight: 1 |
Reflection | Resolution: 1.93→50 Å / Num. all: 21275 / Num. obs: 21201 / % possible obs: 99.6 % / Observed criterion σ(F): 0 / Redundancy: 13.1 % / Biso Wilson estimate: 30.44 Å2 / Rsym value: 0.074 / Net I/σ(I): 30.5 |
Reflection shell | Resolution: 1.93→2 Å / Redundancy: 10.4 % / Mean I/σ(I) obs: 7.9 / Num. unique all: 2077 / Rsym value: 0.3 / % possible all: 100 |
-Processing
Software |
| ||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Refinement | Method to determine structure: MOLECULAR REPLACEMENT Starting model: PDB ENTRY 1q5o Resolution: 1.93→29.205 Å / FOM work R set: 0.852 / σ(F): 0 / Stereochemistry target values: ml
| ||||||||||||||||||||||||||||
Solvent computation | Bsol: 79.142 Å2 / ksol: 0.368 e/Å3 | ||||||||||||||||||||||||||||
Displacement parameters | Biso max: 99.94 Å2 / Biso mean: 41.33 Å2 / Biso min: 11.62 Å2
| ||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.93→29.205 Å
| ||||||||||||||||||||||||||||
Refine LS restraints |
|