2H2N Hydrolase date May 19, 2006
title Crystal Structure Of Human Soluble Calcium-Activated Nucleotidase (Scan) With Calcium Ion
authors M.Yang, K.Horii, A.B.Herr, T.L.Kirley
compound source
Molecule: Soluble Calcium-Activated Nucleotidase 1
Chain: A, B
Synonym: Scan-1, Apyrase Homolog, Putative Nf-Kappa-B- Activating Protein 107, Putative Mapk-Activating Protein Pm09;
Engineered: Yes
Organism_scientific: Homo Sapiens
Organism_common: Human
Organism_taxid: 9606
Gene: Cant1, Shapy
Expression_system: Escherichia Coli
Expression_system_taxid: 562
Expression_system_strain: Bl21(De3)Plyss
Expression_system_vector_type: Plasmid
Expression_system_plasmid: Pet28a
symmetry Space Group: P 1
R_factor 0.168 R_Free 0.249
length a length b length c angle alpha angle beta angle gamma
43.094 52.368 77.426 75.06 74.52 79.47
method X-Ray Diffractionresolution 2.30 Å
ligand ACT, CA enzyme Hydrolase E.C. BRENDA
A, B

Primary referenceCalcium-dependent dimerization of human soluble calcium activated nucleotidase: characterization of the dimer interface., Yang M, Horii K, Herr AB, Kirley TL, J Biol Chem. 2006 Sep 22;281(38):28307-17. Epub 2006 Jul 11. PMID:16835225
Data retrieval
  • Asymmetric unit, PDB entry: [header only] [complete with coordinates] (110 Kb) [Save to disk]
  • Biological Unit Coordinates (2h2n.pdb1.gz) 105 Kb
  • LPC: Ligand-Protein Contacts for 2H2N
  • CSU: Contacts of Structural Units for 2H2N
  • Likely Quarternary Molecular Structure file(s) for 2H2N
  • Structure Factors (196 Kb)
  • Retrieve 2H2N in mmCIF format [Save to disk]
  • SEQRES to COORDINATES correlation for 2H2N from S2C, [Save to disk]
  • Re-refined 2h2n structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models
  • View 2H2N in 3D
  • Proteopedia, because life has more than 2D.
  • On Jmol, a nice Rasmol like molecule viewer. This is good for easiest viewing of basic structure.
  • On FirstGlance, an excellent tool for a guided tour on the structure components, by E. Martz.
  • Visual 3D analysis of 2H2N
  • Cartoon representation from PDB Cartoon
  • Ramachandran plot from PDBSum
  • Structure-derived information
  • Electron Density related parameters from EDS Electron Density Server, at Upsala
  • Dipole moment, from Dipole Server at Weizmann Institute
  • Crystal Contacts, from CryCo at Weizmann Institute
  • 3D motif for 2H2N, from MSDmotif at EBI
  • Fold representative 2h2n from FSSP and Dali (Families of Structurally Similar Proteins)
  • Sequence-derived information
  • View one-letter amino acid or nucleotide sequence for each chain: [2h2n] [2h2n_B] [2h2n_A]
  • SWISS-PROT database: [Q8WVQ1]
  • Domain organization of [CANT1_HUMAN] by SWISSPFAM
  • Other resources with information on 2H2N
  • Community annotation for 2H2N at PDBWiki (http://pdbwiki.org)
  • MMDB (Entrez's Structure Database)
  • Movements, Movies and Images
  • Images from IMB Jena Image Library of Biological Macromolecules.

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