2H2D	Hydrolase	date	May 18, 2006
title	The Structural Basis For Sirtuin Substrate Affinity
authors	M.S.Cosgrove, C.Wolberger
compound		source
Molecule: Nad-Dependent Deacetylase Chain: A Fragment: Sir2tm Synonym: Regulatory Protein Sir2 Homolog Ec: 3.5.1.- Engineered: Yes		Organism_scientific: Thermotoga Maritima Organism_taxid: 2336 Gene: Npda Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet11a
Molecule: Cellular Tumor Antigen P53 Peptide Chain: B Synonym: Tumor Suppressor P53, Phosphoprotein P53, Antigen Engineered: Yes		Synthetic: Yes Other_details: The Sequence Of The Peptide Is Naturally Fou Homo Sapiens (Human).
symmetry	Space Group: P 21 21 21	R_factor 0.221 R_Free 0.237
crystal cell	length a length b length c angle alpha angle beta angle gamma 45.222 58.698 104.463 90.00 90.00 90.00
method	X-Ray Diffraction	resolution	1.70 Å
ligand	ALY, ZN	enzyme	Hydrolase E.C.3.5.1 BRENDA
Gene Ontology	Chain Function Process Component A NAD-dependent histone deacet...
Primary reference	The structural basis of sirtuin substrate affinity., Cosgrove MS, Bever K, Avalos JL, Muhammad S, Zhang X, Wolberger C, Biochemistry. 2006 Jun 20;45(24):7511-21. PMID:16768447

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (47 Kb) [Save to disk] Biological Unit Coordinates (2h2d.pdb1.gz) 42 Kb LPC: Ligand-Protein Contacts for 2H2D CSU: Contacts of Structural Units for 2H2D Likely Quarternary Molecular Structure file(s) for 2H2D Structure Factors (277 Kb) Retrieve 2H2D in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2H2D from S2C, [Save to disk] Re-refined 2h2d structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2H2D 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 2H2D

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 2H2D, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2h2d_B] [2h2d] [2h2d_A] SWISS-PROT database: [Q9WYW0] [P04637] Belongs to the pore-forming pnc-27 peptide of 32 aas from the p53 tumor suppressor protein (pnc-27) family according to TCDB. Domain organization of [NPD_THEMA] [P53_HUMAN] by SWISSPFAM

Other resources with information on 2H2D

Community annotation for 2H2D at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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