2QQG	Hydrolase	date	Jul 26, 2007
title	Hst2 Bound To Adp-Hpd, Acetyllated Histone H4 And Nicotinami
authors	R.Marmorstein, B.Sanders, K.Zhao, J.Slama
compound		source
Molecule: Nad-Dependent Deacetylase Hst2 Chain: A Synonym: Homologous To Sir2 Protein 2 Ec: 3.5.1.- Engineered: Yes		Organism_scientific: Saccharomyces Cerevisiae Organism_common: Baker'S Yeast Organism_taxid: 4932 Gene: Hst2 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Sl21 Gold Expression_system_vector_type: Plasmid Expression_system_plasmid: Prset-A
Molecule: Histone H4 Chain: B Fragment: Sequence Database Residues 13-23 Engineered: Yes		Synthetic: Yes Other_details: The H4 Peptide Was Chemically Synthesized Us Standard Solid Phase Synthesis Chemistry. The Peptide Is Na Found In Saccharomyces Cerevisiae.
symmetry	Space Group: P 32 2 1	R_factor 0.218 R_Free 0.245
crystal cell	length a length b length c angle alpha angle beta angle gamma 105.940 105.940 67.100 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.05 Å
ligand	A1R, ALY, NCA, ZN BindingDB	enzyme	Hydrolase E.C.3.5.1 BRENDA
Gene Ontology	Chain Function Process Component A
Primary reference	Structural basis for nicotinamide inhibition and base exchange in Sir2 enzymes., Sanders BD, Zhao K, Slama JT, Marmorstein R, Mol Cell. 2007 Feb 9;25(3):463-72. PMID:17289592

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (57 Kb) [Save to disk] Biological Unit Coordinates (2qqg.pdb1.gz) 52 Kb Biological Unit Coordinates (2qqg.pdb2.gz) 101 Kb LPC: Ligand-Protein Contacts for 2QQG CSU: Contacts of Structural Units for 2QQG Likely Quarternary Molecular Structure file(s) for 2QQG Structure Factors (247 Kb) Retrieve 2QQG in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2QQG from S2C, [Save to disk] Re-refined 2qqg structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2QQG 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 2QQG

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 2QQG, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2qqg] [2qqg_B] [2qqg_A] SWISS-PROT database: [P02309] [P53686] Domain organization of [H4_YEAST] [HST2_YEAST] by SWISSPFAM

Other resources with information on 2QQG

Community annotation for 2QQG at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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