2Z6A	Transferase Dna	date	Jul 25, 2007
title	S-Adenosyl-L-Methionine-Dependent Methyl Transfer: Observabl Precatalytic Intermediates During Dna Cytosine Methylation
authors	F.K.Shieh
compound		source
Molecule: Dna (5'-D(Dgpdapdtpdapdgpdcpdgpdcpdtpda 3'); Chain: C Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: Dna (5'- D(Dtpdgpdapdtpdapdgpdcpdgpdcpdtpdapdtpdc)-3'); Chain: D Engineered: Yes		Synthetic: Yes Organism_scientific: Synthetic Construct Organism_taxid: 32630
Molecule: Modification Methylase Hhai Chain: A Synonym: Hhai Methyltransferase, Cytosine-Specific Methyltr Hhai, M.Hhai; Ec: 2.1.1.37 Engineered: Yes Mutation: Yes		Organism_scientific: Haemophilus Parahaemolyticus Organism_taxid: 735 Gene: Hhaim Expression_system: Escherichia Coli Expression_system_taxid: 562 Expression_system_vector_type: Plasmid Expression_system_plasmid: Phshw-5
symmetry	Space Group: H 3 2	R_factor 0.220 R_Free 0.280
crystal cell	length a length b length c angle alpha angle beta angle gamma 98.490 98.490 323.610 90.00 90.00 120.00
method	X-Ray Diffraction	resolution	2.88 Å
ligand	SAH	enzyme	Transferase E.C.2.1.1.37 BRENDA
Gene Ontology	Chain Function Process Component A DNA (cytosine-5-)-methyltran...
Primary reference	S-Adenosyl-l-methionine-Dependent Methyl Transfer: Observable Precatalytic Intermediates during DNA Cytosine Methylation., Youngblood B, Shieh FK, Buller F, Bullock T, Reich NO, Biochemistry. 2007 Jul 31;46(30):8766-75. Epub 2007 Jul 7. PMID:17616174

Data retrieval

Asymmetric unit, PDB entry: [header only] [complete with coordinates] (69 Kb) [Save to disk] Biological Unit Coordinates (2z6a.pdb1.gz) 64 Kb LPC: Ligand-Protein Contacts for 2Z6A CSU: Contacts of Structural Units for 2Z6A Likely Quarternary Molecular Structure file(s) for 2Z6A Structure Factors (756 Kb) Retrieve 2Z6A in mmCIF format [Save to disk] SEQRES to COORDINATES correlation for 2Z6A from S2C, [Save to disk] Re-refined 2z6a structure from PDB_REDO, a databank with updated and optimised macromolecular X-ray diffraction structure models

View 2Z6A 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 2Z6A

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 2Z6A, from MSDmotif at EBI

Sequence-derived information

View one-letter amino acid or nucleotide sequence for each chain: [2z6a_C] [2z6a_A] [2z6a] [2z6a_D] SWISS-PROT database: [P05102] Domain organization of [MTH1_HAEPH] by SWISSPFAM

Other resources with information on 2Z6A

Community annotation for 2Z6A at PDBWiki (http://pdbwiki.org) MMDB (Entrez's Structure Database)

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