2H2N	Hydrolase	date	May 19, 2006
title	Crystal Structure Of Human Soluble Calcium-Activated Nucleot (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-Activ Protein 107, Putative Mapk-Activating Protein Pm09; Ec: 3.6.1.6 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
crystal cell	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 Diffraction	resolution	2.30 Å
ligand	ACT, CA	enzyme	Hydrolase E.C.3.6.1.6 BRENDA
Gene Ontology	Chain Function Process Component A, B
Primary reference	Calcium-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] (108 Kb) [Save to disk] Biological Unit Coordinates (2h2n.pdb1.gz) 103 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

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 3D motif for 2H2N, from MSDmotif at EBI

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)

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