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- PDB-1jqd: Crystal Structure Analysis of Human Histamine Methyltransferase (... -
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Open data
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Basic information
Entry | Database: PDB / ID: 1jqd | ||||||
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Title | Crystal Structure Analysis of Human Histamine Methyltransferase (Thr105 Polymorphic Variant) Complexed with AdoHcy and Histamine | ||||||
![]() | Histamine N-Methyltransferase | ||||||
![]() | TRANSFERASE / Classic methyltransferase fold / protein-substrate-cofactor complex | ||||||
Function / homology | ![]() histamine N-methyltransferase / histamine catabolic process / histamine N-methyltransferase activity / histamine metabolic process / Histidine catabolism / L-histidine catabolic process / Metabolism of ingested SeMet, Sec, MeSec into H2Se / respiratory gaseous exchange by respiratory system / methylation / centrosome ...histamine N-methyltransferase / histamine catabolic process / histamine N-methyltransferase activity / histamine metabolic process / Histidine catabolism / L-histidine catabolic process / Metabolism of ingested SeMet, Sec, MeSec into H2Se / respiratory gaseous exchange by respiratory system / methylation / centrosome / extracellular exosome / nucleoplasm / cytoplasm / cytosol Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Horton, J.R. / Sawada, K. / Nishibori, M. / Zhang, X. / Cheng, X. | ||||||
![]() | ![]() Title: Two polymorphic forms of human histamine methyltransferase: structural, thermal, and kinetic comparisons. Authors: Horton, J.R. / Sawada, K. / Nishibori, M. / Zhang, X. / Cheng, X. #1: ![]() Title: Histamine N-methyltransferase pharmacogenetics: association of a common functional polymorphism with asthma Authors: Yan, L. / Galinsky, R.E. / Bernstein, J.A. / Liggett, S.B. / Weinshilboum, R.M. #2: ![]() Title: Methylation pharmacogenetics: catechol O-methyltransferase, thiopurine methyltransferase, and histamine N-methyltransferase Authors: Weinshilboum, R.M. / Otterness, D.M. / Szumlanski, C.L. #3: ![]() Title: Human histamine N-methyltransferase gene: structural characterization and chromosomal location Authors: Aksoy, S. / Raftogianis, R. / Weinshilboum, R.M. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 131 KB | Display | ![]() |
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PDB format | ![]() | 101.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 518.1 KB | Display | ![]() |
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Full document | ![]() | 528.5 KB | Display | |
Data in XML | ![]() | 14.3 KB | Display | |
Data in CIF | ![]() | 22.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related 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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Components
#1: Protein | Mass: 33333.020 Da / Num. of mol.: 2 Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() ![]() ![]() #2: Chemical | #3: Chemical | #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.41 Å3/Da / Density % sol: 48.87 % | ||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 289 K / Method: vapor diffusion, hanging drop / pH: 5.6 Details: PEG 6000, isopropanol, sodium citrate, glycerol, pH 5.6, VAPOR DIFFUSION, HANGING DROP, temperature 289K | ||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS | ||||||||||||||||||||||||||||||||||||
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: MARRESEARCH / Detector: CCD / Date: Dec 2, 1999 |
Radiation | Monochromator: Si(111) double-crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.2 Å / Relative weight: 1 |
Reflection | Resolution: 2.28→18 Å / Num. all: 29057 / Num. obs: 28605 / % possible obs: 98.9 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 7.7 % / Biso Wilson estimate: 23.7 Å2 / Rmerge(I) obs: 0.079 / Net I/σ(I): 25.2 |
Reflection shell | Resolution: 2.28→2.36 Å / Redundancy: 8.2 % / Rmerge(I) obs: 0.266 / Mean I/σ(I) obs: 10.5 / Num. unique all: 2582 / % possible all: 89.8 |
Reflection | *PLUS Lowest resolution: 18 Å / Num. obs: 27999 / Num. measured all: 215317 / Rmerge(I) obs: 0.072 |
Reflection shell | *PLUS % possible obs: 89.8 % / Num. unique obs: 2582 / Num. measured obs: 21749 / Rmerge(I) obs: 0.266 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: Partially refined 3.3A SeMet HNMT/AdoMet/Histamine structure solved by MAD phasing (crystal grown at pH 7.5). Resolution: 2.28→18 Å / Isotropic thermal model: Isotropic / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber Details: Residues listed in remark 470 had little or no side chain density. Many residues at N-terminus had no or little visible density for protein backbone. Some densities were modelled as water ...Details: Residues listed in remark 470 had little or no side chain density. Many residues at N-terminus had no or little visible density for protein backbone. Some densities were modelled as water molecules even though the refined water molecules were greater than 3.5 Angstroms away from macromolecule atoms. These densities were indeed visible as discrete "water oxygen"-like densities but could represent moities other than water.
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Displacement parameters | Biso mean: 35.3 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 2.28→18 Å
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Refine LS restraints |
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LS refinement shell | Resolution: 2.28→2.36 Å / Rfactor Rfree error: 0.017
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Refinement | *PLUS Lowest resolution: 18 Å / % reflection Rfree: 10 % / Rfactor all: 0.211 / Rfactor Rfree: 0.257 / Rfactor Rwork: 0.205 | |||||||||||||||||||||||||
Solvent computation | *PLUS | |||||||||||||||||||||||||
Displacement parameters | *PLUS | |||||||||||||||||||||||||
Refine LS restraints | *PLUS
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LS refinement shell | *PLUS Rfactor Rfree: 0.284 / Rfactor Rwork: 0.234 |