3U53	Hydrolase	date	Oct 10, 2011
title	Crystal Structure Of Human Ap4a Hydrolase
authors	H.H.Ge, M.K.Teng
compound		source
Molecule: Bis(5'-Nucleosyl)-Tetraphosphatase [Asymmetrical] Chain: A, B, C, D Synonym: Asymmetrical Diadenosine Tetraphosphate Hydrolase, Hydrolase, Ap4aase, Nudix Hydrolase; Ec: 3.6.1.17 Engineered: Yes		Organism_scientific: Homo Sapiens Organism_common: Human Organism_taxid: 9606 Gene: Nudt2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3) Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet22b
symmetry	Space Group: P 43	R_factor 0.213 R_Free 0.284
crystal cell	length a length b length c angle alpha angle beta angle gamma 72.485 72.485 133.491 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	2.71 Å
ligand	GOL, SO4	enzyme	Hydrolase E.C.3.6.1.17 BRENDA
Gene Ontology	Chain Function Process Component A, D, C, B
Primary reference	Crystal structure of wild-type and mutant human Ap4A hydrolase., Ge H, Chen X, Yang W, Niu L, Teng M, Biochem Biophys Res Commun. 2013 Mar 1;432(1):16-21. doi:, 10.1016/j.bbrc.2013.01.095. Epub 2013 Feb 4. PMID:23384440

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (203 Kb) [Save to disk] Biological Unit Coordinates (3u53.pdb1.gz) 50 Kb Biological Unit Coordinates (3u53.pdb2.gz) 51 Kb Biological Unit Coordinates (3u53.pdb3.gz) 50 Kb Biological Unit Coordinates (3u53.pdb4.gz) 50 Kb LPC: Ligand-Protein Contacts for 3U53 CSU: Contacts of Structural Units for 3U53 Structure Factors (243 Kb) Retrieve 3U53 in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 3U53 from S2C, [Save to disk] Re-refined 3u53 structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 3U53 in 3D

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Visual 3D analysis of 3U53

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 3U53, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [3u53_B] [3u53_D] [3u53_A] [3u53] [3u53_C] SWISS-PROT database: Domain organization of by SWISSPFAM

Other resources with information on 3U53

Community annotation for 3U53 at PDBWiki (http://pdbwiki.org)

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