2DCH	Hydrolase	date	Jan 06, 2006
title	Crystal Structure Of Archaeal Intron-Encoded Homing Endonucl Tsp061i
authors	H.Nakayama, H.Tsuge, T.Shimamura, M.Miyano, N.Nomura, Y.Sako
compound		source
Molecule: Putative Homing Endonuclease Chain: X Synonym: Archaeal Intron-Encoded Dna Endonuclease Ec: 3.1.-.- Engineered: Yes		Organism_scientific: Thermoproteus Organism_taxid: 2270 Strain: Ic-061 Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_strain: Bl21(De3)Plyss Expression_system_vector_type: Plasmid Expression_system_plasmid: Pet15b
symmetry	Space Group: H 3 2	R_factor 0.202 R_Free 0.243
crystal cell	length a length b length c angle alpha angle beta angle gamma 91.593 91.593 193.643 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.06 Å
ligand	CL, SO4	enzyme	Hydrolase E.C.3.1 BRENDA
Gene Ontology	Chain Function Process Component X endonuclease activity
Primary reference	Structure of a hyperthermophilic archaeal homing endonuclease, I-Tsp061I: contribution of cross-domain polar networks to thermostability., Nakayama H, Shimamura T, Imagawa T, Shirai N, Itoh T, Sako Y, Miyano M, Sakuraba H, Ohshima T, Nomura N, Tsuge H, J Mol Biol. 2007 Jan 12;365(2):362-78. Epub 2006 Sep 29. PMID:17069851

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (42 Kb) [Save to disk] Biological Unit Coordinates (2dch.pdb1.gz) 37 Kb Biological Unit Coordinates (2dch.pdb2.gz) 109 Kb LPC: Ligand-Protein Contacts for 2DCH CSU: Contacts of Structural Units for 2DCH Likely Quarternary Molecular Structure file(s) for 2DCH Structure Factors (400 Kb) Retrieve 2DCH in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2DCH from S2C, [Save to disk] Re-refined 2dch structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2DCH in 3D

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Visual 3D analysis of 2DCH

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 2DCH, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2dch] [2dch_X] SWISS-PROT database: [Q8J309] Domain organization of [Q8J309_9CREN] by SWISSPFAM

Other resources with information on 2DCH

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

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